From 56f1b66a4b20a7f85865c852dd46df5e4635a9d6 Mon Sep 17 00:00:00 2001 From: The Android Open Source Project Date: Tue, 21 Oct 2008 07:00:00 -0700 Subject: Initial Contribution --- Android.mk | 13 + Makefile.am | 26 - Makefile.in | 540 - Makefile.unx | 106 - config.h | 13 + dev2gif.c | 510 - egif_lib.c | 1111 -- getarg.c | 697 - getarg.h | 28 - gif_font.c | 264 - gif_hash.c | 160 - gif_lib.h | 2 +- giflib-4.1.6/AUTHORS | 39 - giflib-4.1.6/BUGS | 2 - giflib-4.1.6/COPYING | 19 - giflib-4.1.6/ChangeLog | 661 - giflib-4.1.6/DEVELOPERS | 29 - giflib-4.1.6/INSTALL | 234 - giflib-4.1.6/Makefile.am | 32 - giflib-4.1.6/Makefile.in | 675 - giflib-4.1.6/Makefile.unx | 51 - giflib-4.1.6/NEWS | 159 - giflib-4.1.6/ONEWS | 133 - giflib-4.1.6/README | 47 - giflib-4.1.6/TODO | 140 - giflib-4.1.6/aclocal.m4 | 7304 -------- giflib-4.1.6/autogen.sh | 25 - giflib-4.1.6/compile | 142 - giflib-4.1.6/config.guess | 1500 -- giflib-4.1.6/config.h.in | 126 - giflib-4.1.6/config.sub | 1616 -- giflib-4.1.6/configure | 26118 ----------------------------- giflib-4.1.6/configure.ac | 128 - giflib-4.1.6/depcomp | 584 - giflib-4.1.6/doc/GifFileType.png | Bin 24597 -> 0 bytes giflib-4.1.6/doc/Makefile.am | 41 - giflib-4.1.6/doc/Makefile.in | 374 - giflib-4.1.6/doc/gif2bgi.html | 136 - giflib-4.1.6/doc/gif2epsn.html | 98 - giflib-4.1.6/doc/gif2herc.html | 153 - giflib-4.1.6/doc/gif2iris.html | 52 - giflib-4.1.6/doc/gif2ps.html | 71 - giflib-4.1.6/doc/gif2rgb.html | 55 - giflib-4.1.6/doc/gif2rle.html | 56 - giflib-4.1.6/doc/gif2x11.html | 59 - giflib-4.1.6/doc/gif89.txt | 2475 --- giflib-4.1.6/doc/gif_lib.html | 713 - giflib-4.1.6/doc/gifasm.html | 59 - giflib-4.1.6/doc/gifbg.html | 86 - giflib-4.1.6/doc/gifburst.html | 48 - giflib-4.1.6/doc/gifclip.html | 75 - giflib-4.1.6/doc/gifclrmp.html | 77 - giflib-4.1.6/doc/gifcolor.html | 60 - giflib-4.1.6/doc/gifcomb.html | 57 - giflib-4.1.6/doc/gifcompose.html | 124 - giflib-4.1.6/doc/giffiltr.html | 40 - giflib-4.1.6/doc/giffix.html | 47 - giflib-4.1.6/doc/gifflip.html | 60 - giflib-4.1.6/doc/gifhisto.html | 72 - giflib-4.1.6/doc/gifinter.html | 51 - giflib-4.1.6/doc/gifinto.html | 56 - giflib-4.1.6/doc/gifovly.html | 49 - giflib-4.1.6/doc/gifpos.html | 59 - giflib-4.1.6/doc/gifrotat.html | 62 - giflib-4.1.6/doc/gifrsize.html | 60 - giflib-4.1.6/doc/gifspnge.html | 40 - giflib-4.1.6/doc/giftext.html | 71 - giflib-4.1.6/doc/gifwedge.html | 53 - giflib-4.1.6/doc/icon2gif.html | 142 - giflib-4.1.6/doc/index.html | 215 - giflib-4.1.6/doc/liberror.html | 140 - giflib-4.1.6/doc/lzgif.txt | 123 - giflib-4.1.6/doc/raw2gif.html | 60 - giflib-4.1.6/doc/rgb2gif.html | 59 - giflib-4.1.6/doc/rle2gif.html | 58 - giflib-4.1.6/doc/text2gif.html | 73 - giflib-4.1.6/gba/giftest.c | 283 - giflib-4.1.6/gba/giftest.dsp | 157 - giflib-4.1.6/gba/giftest.mak | 52 - giflib-4.1.6/gba/res/cover.gif | Bin 13230 -> 0 bytes giflib-4.1.6/gba/res/porsche-240x160.gif | Bin 4459 -> 0 bytes giflib-4.1.6/gba/res/x-trans.gif | Bin 1113 -> 0 bytes giflib-4.1.6/giflib.lsm | 25 - giflib-4.1.6/giflib.spec | 114 - giflib-4.1.6/install-sh | 507 - giflib-4.1.6/ltmain.sh | 6909 -------- giflib-4.1.6/missing | 367 - giflib-4.1.6/pic/Makefile.am | 7 - giflib-4.1.6/pic/Makefile.in | 339 - giflib-4.1.6/pic/NOTES | 6 - giflib-4.1.6/pic/cover.gif | Bin 13230 -> 0 bytes giflib-4.1.6/pic/porsche.gif | Bin 6144 -> 0 bytes giflib-4.1.6/pic/sample.ico | 86 - giflib-4.1.6/pic/solid2.gif | Bin 18599 -> 0 bytes giflib-4.1.6/pic/welcome2.gif | Bin 36832 -> 0 bytes giflib-4.1.6/pic/x-trans.gif | Bin 1113 -> 0 bytes giflib-4.1.6/test-unx | 69 - giflib-4.1.6/util/Makefile.am | 58 - giflib-4.1.6/util/Makefile.in | 813 - giflib-4.1.6/util/Makefile.unx | 130 - giflib-4.1.6/util/gif2epsn.c | 614 - giflib-4.1.6/util/gif2iris.c | 294 - giflib-4.1.6/util/gif2ps.c | 404 - giflib-4.1.6/util/gif2rgb.c | 336 - giflib-4.1.6/util/gif2rle.c | 288 - giflib-4.1.6/util/gif2x11.c | 563 - giflib-4.1.6/util/gifasm.c | 415 - giflib-4.1.6/util/gifbg.c | 371 - giflib-4.1.6/util/gifburst | 75 - giflib-4.1.6/util/gifclip.c | 324 - giflib-4.1.6/util/gifclrmp.c | 361 - giflib-4.1.6/util/gifcolor.c | 189 - giflib-4.1.6/util/gifcomb.c | 266 - giflib-4.1.6/util/gifcompose | 119 - giflib-4.1.6/util/giffiltr.c | 142 - giflib-4.1.6/util/giffix.c | 220 - giflib-4.1.6/util/gifflip.c | 347 - giflib-4.1.6/util/gifhisto.c | 272 - giflib-4.1.6/util/gifinfo.c | 227 - giflib-4.1.6/util/gifinter.c | 277 - giflib-4.1.6/util/gifinto.c | 185 - giflib-4.1.6/util/gifovly.c | 127 - giflib-4.1.6/util/gifpos.c | 208 - giflib-4.1.6/util/gifrotat.c | 330 - giflib-4.1.6/util/gifrsize.c | 315 - giflib-4.1.6/util/gifspnge.c | 91 - giflib-4.1.6/util/giftext.c | 486 - giflib-4.1.6/util/gifwedge.c | 176 - giflib-4.1.6/util/icon2gif.c | 770 - giflib-4.1.6/util/raw2gif.c | 254 - giflib-4.1.6/util/rgb2gif.c | 294 - giflib-4.1.6/util/rle2gif.c | 240 - giflib-4.1.6/util/text2gif.c | 232 - giflib-4.1.6/windows/GifWin.cpp | 715 - giflib-4.1.6/windows/GifWin.h | 68 - giflib-4.1.6/windows/StdAfx.h | 67 - giflib-4.1.6/windows/gifshow.cpp | 424 - giflib-4.1.6/windows/gifshow.dsp | 145 - giflib-4.1.6/windows/gifshow.dsw | 44 - giflib-4.1.6/windows/gifshow.h | 12 - giflib-4.1.6/windows/gifshow.ico | Bin 1078 -> 0 bytes giflib-4.1.6/windows/gifshow.rc | 152 - giflib-4.1.6/windows/libungif.dsp | 146 - giflib-4.1.6/windows/resource.h | 38 - qprintf.c | 63 - quantize.c | 330 - 146 files changed, 27 insertions(+), 71604 deletions(-) create mode 100644 Android.mk delete mode 100644 Makefile.am delete mode 100644 Makefile.in delete mode 100644 Makefile.unx create mode 100644 config.h delete mode 100644 dev2gif.c delete mode 100644 egif_lib.c delete mode 100644 getarg.c delete mode 100644 getarg.h delete mode 100644 gif_font.c delete mode 100644 gif_hash.c delete mode 100644 giflib-4.1.6/AUTHORS delete mode 100644 giflib-4.1.6/BUGS delete mode 100644 giflib-4.1.6/COPYING delete mode 100644 giflib-4.1.6/ChangeLog delete mode 100644 giflib-4.1.6/DEVELOPERS delete 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giflib-4.1.6/windows/libungif.dsp delete mode 100644 giflib-4.1.6/windows/resource.h delete mode 100644 qprintf.c delete mode 100644 quantize.c diff --git a/Android.mk b/Android.mk new file mode 100644 index 0000000..2453314 --- /dev/null +++ b/Android.mk @@ -0,0 +1,13 @@ +LOCAL_PATH:= $(call my-dir) +include $(CLEAR_VARS) + +LOCAL_SRC_FILES := \ + dgif_lib.c \ + gifalloc.c \ + gif_err.c + +LOCAL_CFLAGS += -Wno-format -DHAVE_CONFIG_H + +LOCAL_MODULE:= libgif + +include $(BUILD_STATIC_LIBRARY) diff --git a/Makefile.am b/Makefile.am deleted file mode 100644 index fe2c7cc..0000000 --- a/Makefile.am +++ /dev/null @@ -1,26 +0,0 @@ -## Process this file with automake to produce a Makefile.in for libungif. - -EXTRA_DIST = Makefile.unx - -lib_LTLIBRARIES = libgif.la -noinst_LIBRARIES = libgetarg.a - -include_HEADERS = gif_lib.h - -libgetarg_a_SOURCES = getarg.c getarg.h - -libgif_la_SOURCES = dev2gif.c \ - dgif_lib.c \ - egif_lib.c \ - gif_err.c \ - gif_font.c \ - gif_hash.c \ - gif_hash.h \ - gifalloc.c \ - qprintf.c \ - quantize.c \ - gif_lib_private.h - -libgif_la_LDFLAGS = -version-info 5:6:1 -libgif_la_LIBADD = @DEVS@ -libgif_CFLAGS = $(X_CFLAGS) $(AM_CFLAGS) diff --git a/Makefile.in b/Makefile.in deleted file mode 100644 index 64e1cfb..0000000 --- a/Makefile.in +++ /dev/null @@ -1,540 +0,0 @@ -# Makefile.in generated by automake 1.10 from Makefile.am. -# @configure_input@ - -# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, -# 2003, 2004, 2005, 2006 Free Software Foundation, Inc. -# This Makefile.in is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. - -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY, to the extent permitted by law; without -# even the implied warranty of MERCHANTABILITY or FITNESS FOR A -# PARTICULAR PURPOSE. - -@SET_MAKE@ - - - -VPATH = @srcdir@ -pkgdatadir = 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-1,106 +0,0 @@ -# -# This is the make file for the lib subdirectory of the GIF library -# You'll need GNU gcc or some other ANSI-complient compiler. -# -# Gershon Elber, Jun 1989 -# * version number in ./lib/Makefile -# -V = 3.0 - -SHLIB = libgif.so.$(V) - -# -# Where all the include files are: -INCS = -I. - -LIBDIR = /usr/lib - -# -# What devices we should be able to grab into gif images. Note that if -# you enable them the associated library must be available at link time. -# Avaiable devices: -# 1. EGA, VGA, SVGA (800x600), Hercules - all on IBM PC only. -# 2. SGI 4D Irix using gl library (Add -D__SGI_GL__). -# 3. X11 using libX.a (Add -D__X11__) -DEVS = -D__X11__ - -# -# These are the flags for gcc, in BSD4.3 or Sun O.S. 4.0.3 -# -# If your system has all function prototypes for gcc, replace all -# the -Wxxx with -Wall. I can not add -Wimplicit as my system uses old cc -# h files. -# -# CC = gcc -# -# CFLAGS = -O -c -W -Wreturn-type -Wcomment -# CFLAGS = -g -pg -c -W -Wreturn-type -Wcomment -# -# for sun 4 (gunnars@ifi.uib.no). Tested using gcc 1.39. -# -# CFLAGS = -O -c -sun4 -W -Wreturn-type -Wcomment -DUSE_VARARGS -# CFLAGS = -g -c -sun4 -W -Wreturn-type -Wcomment -DUSE_VARARGS - -# -# These are the flags for cc on SGI iris4d. O.S. IRIX 3.2 -# -# CC = cc -# -# CFLAGS = -O -c -DSYSV -DNO_VOID_PTR -DUSE_VARARGS -Olimit 1000 -Wf,-XNh5000 -Wf,-XNd5000 -G 4 -# CFLAGS = -g -p -c -DSYSV -DNO_VOID_PTR -DUSE_VARARGS -Olimit 1000 -Wf,-XNh5000 -Wf,-XNd5000 -G 4 - -# -# These are the flags for xlc, ansi compiler for IBM R6000 -# -# CC = xlc -# -# CFLAGS = -O -c -qnoro -D_POSIX_SOURCE -D_ALL_SOURCE -DR6000 -# CFLAGS = -g -pg -c -qnoro -D_POSIX_SOURCE -D_ALL_SOURCE -DR6000 - -# -# GNU CC over Linux and XFree86 -# -CC = gcc -# -#CFLAGS = -fno-builtin -O -c -W -Wreturn-type -Wcomment -CFLAGS = -fno-builtin -g -c -W -Wreturn-type -Wcomment - - -OBJS = dev2gif.o egif_lib.o dgif_lib.o gifalloc.o gif_font.o gif_hash.o \ - gif_err.o quantize.o qprintf.o getarg.o - -.c.o: - $(CC) $(INCS) $(DEVS) $(CFLAGS) $< - -all: static shared - -static: libgif.a -shared: $(SHLIB) - -libgif.a: $(OBJS) - rm -f libgif.a - ar rcv libgif.a $(OBJS) - -ranlib libgif.a - -$(SHLIB): $(OBJS) - rm -f libgif.so.$(V) - gcc -shared -o $(SHLIB) $(OBJS) - -dev2gif.o: gif_lib.h -egif_lib.o: gif_lib.h gif_hash.h -dgif_lib.o: gif_lib.h gif_hash.h -gif_hash.o: gif_lib.h gif_hash.h -gif_err.o: gif_lib.h -gifalloc.o: gif_lib.h -gif_font.o: gif_lib.h -quantize.o: gif_lib.h -qprintf.o: gif_lib.h -getarg.o: getarg.h - -install-lib: libgif.a - cp libgif.a libgif.so.$(V) $(LIBDIR) - -uninstall-lib: shared static - rm -f $(LIBDIR)/libgif.a $(LIBDIR)/$(SHLIB) -clean: - rm -f *.[oa] *~ libgif.so.$(V) diff --git a/config.h b/config.h new file mode 100644 index 0000000..3193a1b --- /dev/null +++ b/config.h @@ -0,0 +1,13 @@ + +// giflib config.h + +#ifndef GIF_CONFIG_H_DEFINED +#define GIF_CONFIG_H_DEFINED + +#include +#include +#include + +typedef uint32_t UINT32; + +#endif diff --git a/dev2gif.c b/dev2gif.c deleted file mode 100644 index b1d1347..0000000 --- a/dev2gif.c +++ /dev/null @@ -1,510 +0,0 @@ -/***************************************************************************** - * "Gif-Lib" - Yet another gif library. - * - * Written by: Gershon Elber IBM PC Ver 1.1, Jun. 1989 - ***************************************************************************** - * Module to dump graphic devices into a GIF file. Current supported devices: - * 1. EGA, VGA, SVGA (800x600), Hercules on the IBM PC (#define __MSDOS__). - * 2. SGI 4D Irix using gl library (#define SGI_GL__). - * 3. X11 using libX.a (#define __X11__). - * 4. (2 & 3 have been changed to HAVE_GL_S and HAVE_LIBX11 and should be set - * by the configure script.) - ***************************************************************************** - * History: - * 22 Jun 89 - Version 1.0 by Gershon Elber. - * 12 Aug 90 - Version 1.1 by Gershon Elber (added devices). - ****************************************************************************/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#ifdef __MSDOS__ -#include -#include -#include -#endif /* __MSDOS__ */ - -#ifdef HAVE_LIBX11 -#include -#include -#endif /* HAVE_LIBX11 */ - -#ifdef HAVE_LIBGL_S -#include -#endif /* HAVE_LIBGL_S */ - -#include -#include -#include -#include "gif_lib.h" - -#define SVGA_SPECIAL 999 /* 800 by 600 Super VGA mode. */ - -static int GraphDriver = -1, /* Device parameters - reasonable values. */ - GraphMode = -1, ScreenColorBits = 1; -static long ScreenXMax = 100, ScreenYMax = 100; - -#ifdef __MSDOS__ -static unsigned int ScreenBase; -#endif /* __MSDOS__ */ - -#if defined(HAVE_LIBGL_S) || defined(HAVE_LIBX11) -GifByteType *GlblGifBuffer = NULL, *GlblGifBufferPtr = NULL; -#endif /* HAVE_LIBGL_S || HAVE_LIBX11 */ - -#ifdef HAVE_LIBGL_S -static int QuantizeRGBBuffer(int Width, int Height, long *RGBBuffer, - GifColorType * ColorMap, - GifByteType * GIFBuffer); -#endif /* HAVE_LIBGL_S */ - -static void GetScanLine(GifPixelType * ScanLine, int Y); -static int HandleGifError(GifFileType * GifFile); - -/****************************************************************************** - * Dump the given Device, into given File as GIF format: - * Return 0 on success, -1 if device not supported, or GIF-LIB error number. - * Device is selected via the ReqGraphDriver. Device mode is selected via - * ReqGraphMode1/2 as follows: - * 1. IBM PC Hercules card: HERCMONO (one mode only) in ReqGraphMode1, - * ReqGraphMode2/3 are ignored. - * 2. IBM PC EGA card: EGALO/EGAHI in ReqGraphMode1, - * ReqGraphMode2/3 are ignored. - * 3. IBM PC EGA64 card: EGA64LO/EGA64HI in ReqGraphMode1, - * ReqGraphMode2/3 are ignored. - * 4. IBM PC EGAMONO card: EGAMONOHI (one mode only) in ReqGraphMode1, - * ReqGraphMode2/3 are ignored. - * 5. IBM PC VGA card: VGALO/VGAMED/VGAHI in ReqGraphMode1, - * ReqGraphMode2/3 are ignored. - * 6. IBM PC SVGA card: ReqGraphMode1/2 are both ignored. Fixed mode (800x600 - * 16 colors) is assumed. - * 7. SGI 4D using GL: window id to dump (as returned by winget()) in - * ReqGraphMode1, ReqGraphMode2/3 are ignored. - * 8. X11: Window id in ReqGraphMode1, Display id in ReqGraphMode2, Color - * map id in ReqGraphMode3. - *****************************************************************************/ -int -DumpScreen2Gif(const char *FileName, - int ReqGraphDriver, - long ReqGraphMode1, - long ReqGraphMode2, - long ReqGraphMode3) { - - int i, j, k; - GifPixelType *ScanLine; - GifFileType *GifFile; - ColorMapObject *ColorMap = NULL; -#ifdef __MSDOS__ - static GifColorType MonoChromeColorMap[] = { - {0, 0, 0}, - {255, 255, 255} - }; - /* I have no idea what default EGA64 (4 colors) should be (I guessed...). */ - static GifColorType EGA64ColorMap[] = { - {0, 0, 0}, /* 0. Black */ - {255, 0, 0}, /* 1. Red */ - {0, 255, 0}, /* 2. Green */ - {0, 0, 255}, /* 3. Blue */ - }; - static GifColorType EGAColorMap[] = { - {0, 0, 0}, /* 0. Black */ - {0, 0, 170}, /* 1. Blue */ - {0, 170, 0}, /* 2. Green */ - {0, 170, 170}, /* 3. Cyan */ - {170, 0, 0}, /* 4. Red */ - {170, 0, 170}, /* 5. Magenta */ - {170, 170, 0}, /* 6. Brown */ - {170, 170, 170}, /* 7. LightGray */ - {85, 85, 85}, /* 8. DarkGray */ - {85, 85, 255}, /* 9. LightBlue */ - {85, 255, 85}, /* 10. LightGreen */ - {85, 255, 255}, /* 11. LightCyan */ - {255, 85, 85}, /* 12. LightRed */ - {255, 85, 255}, /* 13. LightMagenta */ - {255, 255, 85}, /* 14. Yellow */ - {255, 255, 255}, /* 15. White */ - }; -#endif /* __MSDOS__ */ -#if defined(HAVE_LIBGL_S) - long *RGBBuffer; -#ifndef HAVE_LIBX11 - GifColorType ColorMap256[256]; -#endif /* Undefined HAVE_LIBX11 */ -#endif /* HAVE_LIBGL_S */ -#ifdef HAVE_LIBX11 - XImage *XImg; - unsigned long XPixel; - GifColorType ColorMap256[256]; - XColor XColorTable[256]; /* Up to 256 colors in X. */ - XWindowAttributes WinAttr; -#endif /* HAVE_LIBX11 */ - switch (ReqGraphDriver) { /* Return on non supported screens. */ -#ifdef __MSDOS__ - case HERCMONO: - ScreenXMax = 720; - ScreenYMax = 350; - ScreenColorBits = 1; - ScreenBase = 0xb000; - ColorMap = MakeMapObject(2, MonoChromeColorMap); - break; - case EGA: - switch (ReqGraphMode1) { - case EGALO: - ScreenYMax = 200; - break; - case EGAHI: - ScreenYMax = 350; - break; - default: - return -1; - } - ScreenXMax = 640; - ScreenColorBits = 4; - ScreenBase = 0xa000; - ColorMap = MakeMapObject(16, EGAColorMap); - break; - case EGA64: - switch (ReqGraphMode1) { - case EGA64LO: - ScreenYMax = 200; - break; - case EGA64HI: - ScreenYMax = 350; - break; - default: - return -1; - } - ScreenXMax = 640; - ScreenColorBits = 2; - ScreenBase = 0xa000; - ColorMap = MakeMapObject(4, EGA64ColorMap); - break; - case EGAMONO: - switch (ReqGraphMode1) { - case EGAMONOHI: - ScreenYMax = 350; - break; - default: - return -1; - } - ScreenXMax = 640; - ScreenColorBits = 1; - ScreenBase = 0xa000; - ColorMap = MakeMapObject(2, MonoChromeColorMap); - break; - case VGA: - switch (ReqGraphMode1) { - case VGALO: - ScreenYMax = 200; - break; - case VGAMED: - ScreenYMax = 350; - break; - case VGAHI: - ScreenYMax = 480; - break; - default: - return -1; - } - ScreenXMax = 640; - ScreenColorBits = 4; - ScreenBase = 0xa000; - ColorMap = MakeMapObject(16, EGAColorMap); - break; - case SVGA_SPECIAL: - ScreenXMax = 800; - ScreenYMax = 600; - ScreenColorBits = 4; - ScreenBase = 0xa000; - ColorMap = MakeMapObject(16, EGAColorMap); - break; -#endif /* __MSDOS__ */ -#ifdef HAVE_LIBGL_S - case GIF_DUMP_SGI_WINDOW: - winset(ReqGraphMode1); /* Select window as active window. */ - getsize(&ScreenXMax, &ScreenYMax); - - RGBBuffer = (long *)malloc(sizeof(long) * ScreenXMax * ScreenYMax); - readsource(SRC_FRONT); - if (lrectread((short)0, (short)0, (short)(ScreenXMax - 1), - (short)(ScreenYMax - 1), RGBBuffer) != - ScreenXMax * ScreenYMax) { /* Get data. */ - free(RGBBuffer); - return -1; - } - GlblGifBuffer = (GifByteType *) malloc(sizeof(GifByteType) * - ScreenXMax * ScreenYMax); - i = QuantizeRGBBuffer(ScreenXMax, ScreenYMax, RGBBuffer, - ColorMap256, GlblGifBuffer); - /* Find minimum color map size to hold all quantized colors. */ - for (ScreenColorBits = 1; - (1 << ScreenColorBits) < i && ScreenColorBits < 8; - ScreenColorBits++) ; - - /* Start to dump with top line as GIF expects it. */ - GlblGifBufferPtr = GlblGifBuffer + ScreenXMax * (ScreenYMax - 1); - ColorMap = MakeMapObject(256, ColorMap256); - free(RGBBuffer); - break; -#endif /* HAVE_LIBGL_S */ -#ifdef HAVE_LIBX11 - case GIF_DUMP_X_WINDOW: - XGetWindowAttributes((Display *) ReqGraphMode2, - (Window) ReqGraphMode1, &WinAttr); - ScreenXMax = WinAttr.width; - ScreenYMax = WinAttr.height; - - XImg = XGetImage((Display *) ReqGraphMode2, - (Window) ReqGraphMode1, - 0, 0, ScreenXMax - 1, ScreenYMax - 1, - AllPlanes, XYPixmap); - - GlblGifBuffer = (GifByteType *)malloc(sizeof(GifByteType) * - ScreenXMax * ScreenYMax); - - /* Scan the image for all different colors exists. */ - for (i = 0; i < 256; i++) - XColorTable[i].pixel = 0; - k = FALSE; - for (i = 0; i < ScreenXMax; i++) - for (j = 0; j < ScreenYMax; j++) { - XPixel = XGetPixel(XImg, i, j); - if (XPixel > 255) { - if (!k) { - /* Make sure we state it once only. */ - fprintf(stderr, "X Color table - truncated.\n"); - k = TRUE; - } - XPixel = 255; - } - XColorTable[XPixel].pixel = XPixel; - } - /* Find the RGB representation of the colors. */ - XQueryColors((Display *) ReqGraphMode2, - (Colormap) ReqGraphMode3, XColorTable, 256); - /* Count number of active colors (Note color 0 is always in) */ - /* and create the Gif color map from it. */ - ColorMap = MakeMapObject(256, ColorMap256); - ColorMap->Colors[0].Red = ColorMap->Colors[0].Green = - ColorMap->Colors[0].Blue = 0; - for (i = j = 1; i < 256; i++) - if (XColorTable[i].pixel) { - ColorMap->Colors[j].Red = XColorTable[i].red / 256; - ColorMap->Colors[j].Green = XColorTable[i].green / 256; - ColorMap->Colors[j].Blue = XColorTable[i].blue / 256; - /* Save the X color index into the Gif table: */ - XColorTable[i].pixel = j++; - } - /* and set the number of colors in the Gif color map. */ - for (ScreenColorBits = 1; - (1 << ScreenColorBits) < j && ScreenColorBits < 8; - ScreenColorBits++) ; - - /* Prepare the Gif image buffer as indices into the Gif color */ - /* map from the X image. */ - GlblGifBufferPtr = GlblGifBuffer; - for (i = 0; i < ScreenXMax; i++) - for (j = 0; j < ScreenYMax; j++) - *GlblGifBufferPtr++ = - XColorTable[XGetPixel(XImg, j, i) & 0xff].pixel; - XDestroyImage(XImg); - - GlblGifBufferPtr = GlblGifBuffer; - ColorMap = MakeMapObject(256, ColorMap256); - break; -#endif /* HAVE_LIBX11 */ - default: - return -1; - } - - ScanLine = (GifPixelType *)malloc(sizeof(GifPixelType) * ScreenXMax); - - GraphDriver = ReqGraphDriver; - GraphMode = ReqGraphMode1; - - if ((GifFile = EGifOpenFileName(FileName, FALSE)) == NULL || - EGifPutScreenDesc(GifFile, ScreenXMax, ScreenYMax, ScreenColorBits, - 0, ColorMap) == GIF_ERROR || - EGifPutImageDesc(GifFile, 0, 0, ScreenXMax, ScreenYMax, FALSE, - NULL) == GIF_ERROR) { - free((char *)ScanLine); -#if defined(HAVE_LIBGL_S) || defined(HAVE_LIBX11) - free((char *)GlblGifBuffer); -#endif - return HandleGifError(GifFile); - } - - for (i = 0; i < ScreenYMax; i++) { - GetScanLine(ScanLine, i); - if (EGifPutLine(GifFile, ScanLine, ScreenXMax) == GIF_ERROR) { - free((char *)ScanLine); -#if defined(HAVE_LIBGL_S) || defined(HAVE_LIBX11) - free((char *)GlblGifBuffer); -#endif - return HandleGifError(GifFile); - } - } - - if (EGifCloseFile(GifFile) == GIF_ERROR) { - free((char *)ScanLine); -#if defined(HAVE_LIBGL_S) || defined(HAVE_LIBX11) - free((char *)GlblGifBuffer); -#endif - return HandleGifError(GifFile); - } - - free((char *)ScanLine); -#if defined(HAVE_LIBGL_S) || defined(HAVE_LIBX11) - free((char *)GlblGifBuffer); -#endif - return 0; -} - -#ifdef HAVE_LIBGL_S - -/****************************************************************************** - * Quantize the given 24 bit (8 per RGB) into 256 colors. - *****************************************************************************/ -static int -QuantizeRGBBuffer(int Width, - int Height, - long *RGBBuffer, - GifColorType * ColorMap, - GifByteType * GIFBuffer) { - - int i; - GifByteType *RedInput, *GreenInput, *BlueInput; - - /* Convert the RGB Buffer into 3 seperated buffers: */ - RedInput = (GifByteType *) malloc(sizeof(GifByteType) * Width * Height); - GreenInput = (GifByteType *) malloc(sizeof(GifByteType) * Width * Height); - BlueInput = (GifByteType *) malloc(sizeof(GifByteType) * Width * Height); - - for (i = 0; i < Width * Height; i++) { - RedInput[i] = RGBBuffer[i] & 0xff; - GreenInput[i] = (RGBBuffer[i] >> 8) & 0xff; - BlueInput[i] = (RGBBuffer[i] >> 16) & 0xff; - } - for (i = 0; i < 256; i++) - ColorMap[i].Red = ColorMap[i].Green = ColorMap[i].Blue = 0; - - i = 256; - QuantizeBuffer(Width, Height, &i, - RedInput, GreenInput, BlueInput, GIFBuffer, ColorMap); - - free(RedInput); - free(GreenInput); - free(BlueInput); - - return i; /* Real number of colors in color table. */ -} -#endif /* HAVE_LIBGL_S */ - -/****************************************************************************** - * Update the given scan line buffer with the pixel levels of the Y line. - * This routine is device specific, so make sure you know was you are doing - *****************************************************************************/ -static void -GetScanLine(GifPixelType * ScanLine, - int Y) { - -#ifdef __MSDOS__ - unsigned char ScreenByte; - int i, j, k; - unsigned int BufferOffset, Bit; - union REGS InRegs, OutRegs; -#endif /* __MSDOS__ */ - - switch (GraphDriver) { -#ifdef __MSDOS__ - case HERCMONO: - BufferOffset = 0x2000 * (Y % 4) + (Y / 4) * (ScreenXMax / 8); - /* In one scan lines we have ScreenXMax / 8 bytes: */ - for (i = 0, k = 0; i < ScreenXMax / 8; i++) { - ScreenByte = (unsigned char)peekb(ScreenBase, BufferOffset++); - for (j = 0, Bit = 0x80; j < 8; j++) { - ScanLine[k++] = (ScreenByte & Bit ? 1 : 0); - Bit >>= 1; - } - } - break; - case EGA: - case EGA64: - case EGAMONO: - case VGA: - case SVGA_SPECIAL: - InRegs.x.dx = Y; - InRegs.h.bh = 0; - InRegs.h.ah = 0x0d; /* BIOS Read dot. */ - for (i = 0; i < ScreenXMax; i++) { - InRegs.x.cx = i; - int86(0x10, &InRegs, &OutRegs); - ScanLine[i] = OutRegs.h.al; - } - - /* Makr this line as done by putting a xored dot on the left. */ - InRegs.x.dx = Y; - InRegs.h.bh = 0; - InRegs.h.ah = 0x0c; /* BIOS Write dot (xor mode). */ - InRegs.h.al = 0x81; /* Xor with color 1. */ - InRegs.x.cx = 0; - int86(0x10, &InRegs, &OutRegs); - InRegs.x.dx = Y; - InRegs.h.bh = 0; - InRegs.h.ah = 0x0c; /* BIOS Write dot (xor mode). */ - InRegs.h.al = 0x81; /* Xor with color 1. */ - InRegs.x.cx = 1; - int86(0x10, &InRegs, &OutRegs); - - if (Y == ScreenYMax - 1) { /* Last row - clear all marks we - * made. */ - for (i = 0; i < ScreenYMax; i++) { - InRegs.h.bh = 0; - InRegs.h.ah = 0x0c; /* BIOS Write dot (xor mode). */ - InRegs.h.al = 0x81; /* Xor back with color 1. */ - InRegs.x.dx = i; - InRegs.x.cx = 0; - int86(0x10, &InRegs, &OutRegs); - InRegs.h.bh = 0; - InRegs.h.ah = 0x0c; /* BIOS Write dot (xor mode). */ - InRegs.h.al = 0x81; /* Xor back with color 1. */ - InRegs.x.dx = i; - InRegs.x.cx = 1; - int86(0x10, &InRegs, &OutRegs); - } - } - break; -#endif /* __MSDOS__ */ -#ifdef HAVE_LIBGL_S - case GIF_DUMP_SGI_WINDOW: - memcpy(ScanLine, GlblGifBufferPtr, - ScreenXMax * sizeof(GifPixelType)); - GlblGifBufferPtr -= ScreenXMax; - break; -#endif /* HAVE_LIBGL_S */ -#ifdef HAVE_LIBX11 - case GIF_DUMP_X_WINDOW: - memcpy(ScanLine, GlblGifBufferPtr, - ScreenXMax * sizeof(GifPixelType)); - GlblGifBufferPtr += ScreenXMax; - break; -#endif /* HAVE_LIBX11 */ - default: - break; - } -} - -/****************************************************************************** - * Handle last GIF error. Try to close the file and free all allocated memory. - *****************************************************************************/ -static int -HandleGifError(GifFileType * GifFile) { - - int i = GifLastError(); - - if (EGifCloseFile(GifFile) == GIF_ERROR) { - GifLastError(); - } - return i; -} diff --git a/egif_lib.c b/egif_lib.c deleted file mode 100644 index d05d1c9..0000000 --- a/egif_lib.c +++ /dev/null @@ -1,1111 +0,0 @@ -/****************************************************************************** - * "Gif-Lib" - Yet another gif library. - * - * Written by: Gershon Elber Ver 1.1, Aug. 1990 - ****************************************************************************** - * The kernel of the GIF Encoding process can be found here. - ****************************************************************************** - * History: - * 14 Jun 89 - Version 1.0 by Gershon Elber. - * 3 Sep 90 - Version 1.1 by Gershon Elber (Support for Gif89, Unique names). - * 26 Jun 96 - Version 3.0 by Eric S. Raymond (Full GIF89 support) - *****************************************************************************/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -/* Find a thirty-two bit int type */ -#ifdef HAVE_SYS_TYPES_H -#include -#endif -#ifdef HAVE_STDINT_H -#include -#endif -#ifdef HAVE_UNISTD_H -#include -#endif -#ifdef HAVE_INTTYPES_H -#include -#endif - -#ifdef __MSDOS__ -#include -#include -#include -#else -#include -#include -#ifdef R6000 - -/* FIXME: What is sys/mode.h? Can we substitute a check for this file rather - * than a check based on machine type? - */ -#include -#endif -#endif /* __MSDOS__ */ - -#ifdef HAVE_IO_H -#include -#endif - -#ifdef HAVE_FCNTL_H -#include -#endif /* HAVE_FCNTL_H */ -#ifdef HAVE_UNISTD_H -#include -#endif /* HAVE_UNISTD_H */ -#include -#include -#include -#include "gif_lib.h" -#include "gif_lib_private.h" - -/* #define DEBUG_NO_PREFIX Dump only compressed data. */ - -/* Masks given codes to BitsPerPixel, to make sure all codes are in range: */ -static GifPixelType CodeMask[] = { - 0x00, 0x01, 0x03, 0x07, 0x0f, 0x1f, 0x3f, 0x7f, 0xff -}; - -static char GifVersionPrefix[GIF_STAMP_LEN + 1] = GIF87_STAMP; - -#define WRITE(_gif,_buf,_len) \ - (((GifFilePrivateType*)_gif->Private)->Write ? \ - ((GifFilePrivateType*)_gif->Private)->Write(_gif,_buf,_len) : \ - fwrite(_buf, 1, _len, ((GifFilePrivateType*)_gif->Private)->File)) - -static int EGifPutWord(int Word, GifFileType * GifFile); -static int EGifSetupCompress(GifFileType * GifFile); -static int EGifCompressLine(GifFileType * GifFile, GifPixelType * Line, - int LineLen); -static int EGifCompressOutput(GifFileType * GifFile, int Code); -static int EGifBufferedOutput(GifFileType * GifFile, GifByteType * Buf, - int c); - -/****************************************************************************** - * Open a new gif file for write, given by its name. If TestExistance then - * if the file exists this routines fails (returns NULL). - * Returns GifFileType pointer dynamically allocated which serves as the gif - * info record. _GifError is cleared if succesfull. - *****************************************************************************/ -GifFileType * -EGifOpenFileName(const char *FileName, - int TestExistance) { - - int FileHandle; - GifFileType *GifFile; - - if (TestExistance) - FileHandle = open(FileName, O_WRONLY | O_CREAT | O_EXCL -#if defined(__MSDOS__) || defined(WINDOWS32) || defined(_OPEN_BINARY) - | O_BINARY -#endif /* __MSDOS__ */ - , S_IREAD | S_IWRITE); - else - FileHandle = open(FileName, O_WRONLY | O_CREAT | O_TRUNC -#if defined(__MSDOS__) || defined(WINDOWS32) || defined(_OPEN_BINARY) - | O_BINARY -#endif /* __MSDOS__ */ - , S_IREAD | S_IWRITE); - - if (FileHandle == -1) { - _GifError = E_GIF_ERR_OPEN_FAILED; - return NULL; - } - GifFile = EGifOpenFileHandle(FileHandle); - if (GifFile == (GifFileType *) NULL) - close(FileHandle); - return GifFile; -} - -/****************************************************************************** - * Update a new gif file, given its file handle, which must be opened for - * write in binary mode. - * Returns GifFileType pointer dynamically allocated which serves as the gif - * info record. _GifError is cleared if succesfull. - *****************************************************************************/ -GifFileType * -EGifOpenFileHandle(int FileHandle) { - - GifFileType *GifFile; - GifFilePrivateType *Private; - FILE *f; - - GifFile = (GifFileType *) malloc(sizeof(GifFileType)); - if (GifFile == NULL) { - _GifError = E_GIF_ERR_NOT_ENOUGH_MEM; - return NULL; - } - - memset(GifFile, '\0', sizeof(GifFileType)); - - Private = (GifFilePrivateType *)malloc(sizeof(GifFilePrivateType)); - if (Private == NULL) { - free(GifFile); - _GifError = E_GIF_ERR_NOT_ENOUGH_MEM; - return NULL; - } - if ((Private->HashTable = _InitHashTable()) == NULL) { - free(GifFile); - free(Private); - _GifError = E_GIF_ERR_NOT_ENOUGH_MEM; - return NULL; - } - -#if defined(__MSDOS__) || defined(WINDOWS32) || defined(_OPEN_BINARY) - setmode(FileHandle, O_BINARY); /* Make sure it is in binary mode. */ -#endif /* __MSDOS__ */ - - f = fdopen(FileHandle, "wb"); /* Make it into a stream: */ - -#if defined (__MSDOS__) || defined(WINDOWS32) - setvbuf(f, NULL, _IOFBF, GIF_FILE_BUFFER_SIZE); /* And inc. stream - * buffer. */ -#endif /* __MSDOS__ */ - - GifFile->Private = (VoidPtr)Private; - Private->FileHandle = FileHandle; - Private->File = f; - Private->FileState = FILE_STATE_WRITE; - - Private->Write = (OutputFunc) 0; /* No user write routine (MRB) */ - GifFile->UserData = (VoidPtr) 0; /* No user write handle (MRB) */ - - _GifError = 0; - - return GifFile; -} - -/****************************************************************************** - * Output constructor that takes user supplied output function. - * Basically just a copy of EGifOpenFileHandle. (MRB) - *****************************************************************************/ -GifFileType * -EGifOpen(void *userData, - OutputFunc writeFunc) { - - GifFileType *GifFile; - GifFilePrivateType *Private; - - GifFile = (GifFileType *)malloc(sizeof(GifFileType)); - if (GifFile == NULL) { - _GifError = E_GIF_ERR_NOT_ENOUGH_MEM; - return NULL; - } - - memset(GifFile, '\0', sizeof(GifFileType)); - - Private = (GifFilePrivateType *)malloc(sizeof(GifFilePrivateType)); - if (Private == NULL) { - free(GifFile); - _GifError = E_GIF_ERR_NOT_ENOUGH_MEM; - return NULL; - } - - Private->HashTable = _InitHashTable(); - if (Private->HashTable == NULL) { - free (GifFile); - free (Private); - _GifError = E_GIF_ERR_NOT_ENOUGH_MEM; - return NULL; - } - - GifFile->Private = (VoidPtr) Private; - Private->FileHandle = 0; - Private->File = (FILE *) 0; - Private->FileState = FILE_STATE_WRITE; - - Private->Write = writeFunc; /* User write routine (MRB) */ - GifFile->UserData = userData; /* User write handle (MRB) */ - - _GifError = 0; - - return GifFile; -} - -/****************************************************************************** - * Routine to set current GIF version. All files open for write will be - * using this version until next call to this routine. Version consists of - * 3 characters as "87a" or "89a". No test is made to validate the version. - *****************************************************************************/ -void -EGifSetGifVersion(const char *Version) { - strncpy(GifVersionPrefix + GIF_VERSION_POS, Version, 3); -} - -/****************************************************************************** - * This routine should be called before any other EGif calls, immediately - * follows the GIF file openning. - *****************************************************************************/ -int -EGifPutScreenDesc(GifFileType * GifFile, - int Width, - int Height, - int ColorRes, - int BackGround, - const ColorMapObject * ColorMap) { - - int i; - GifByteType Buf[3]; - GifFilePrivateType *Private = (GifFilePrivateType *) GifFile->Private; - - if (Private->FileState & FILE_STATE_SCREEN) { - /* If already has screen descriptor - something is wrong! */ - _GifError = E_GIF_ERR_HAS_SCRN_DSCR; - return GIF_ERROR; - } - if (!IS_WRITEABLE(Private)) { - /* This file was NOT open for writing: */ - _GifError = E_GIF_ERR_NOT_WRITEABLE; - return GIF_ERROR; - } - -/* First write the version prefix into the file. */ -#ifndef DEBUG_NO_PREFIX - if (WRITE(GifFile, (unsigned char *)GifVersionPrefix, - strlen(GifVersionPrefix)) != strlen(GifVersionPrefix)) { - _GifError = E_GIF_ERR_WRITE_FAILED; - return GIF_ERROR; - } -#endif /* DEBUG_NO_PREFIX */ - - GifFile->SWidth = Width; - GifFile->SHeight = Height; - GifFile->SColorResolution = ColorRes; - GifFile->SBackGroundColor = BackGround; - if (ColorMap) { - GifFile->SColorMap = MakeMapObject(ColorMap->ColorCount, - ColorMap->Colors); - if (GifFile->SColorMap == NULL) { - _GifError = E_GIF_ERR_NOT_ENOUGH_MEM; - return GIF_ERROR; - } - } else - GifFile->SColorMap = NULL; - - /* - * Put the logical screen descriptor into the file: - */ - /* Logical Screen Descriptor: Dimensions */ - EGifPutWord(Width, GifFile); - EGifPutWord(Height, GifFile); - - /* Logical Screen Descriptor: Packed Fields */ - /* Note: We have actual size of the color table default to the largest - * possible size (7+1 == 8 bits) because the decoder can use it to decide - * how to display the files. - */ - Buf[0] = (ColorMap ? 0x80 : 0x00) | /* Yes/no global colormap */ - ((ColorRes - 1) << 4) | /* Bits allocated to each primary color */ - (ColorMap ? ColorMap->BitsPerPixel - 1 : 0x07 ); /* Actual size of the - color table. */ - Buf[1] = BackGround; /* Index into the ColorTable for background color */ - Buf[2] = 0; /* Pixel Aspect Ratio */ -#ifndef DEBUG_NO_PREFIX - WRITE(GifFile, Buf, 3); -#endif /* DEBUG_NO_PREFIX */ - - /* If we have Global color map - dump it also: */ -#ifndef DEBUG_NO_PREFIX - if (ColorMap != NULL) - for (i = 0; i < ColorMap->ColorCount; i++) { - /* Put the ColorMap out also: */ - Buf[0] = ColorMap->Colors[i].Red; - Buf[1] = ColorMap->Colors[i].Green; - Buf[2] = ColorMap->Colors[i].Blue; - if (WRITE(GifFile, Buf, 3) != 3) { - _GifError = E_GIF_ERR_WRITE_FAILED; - return GIF_ERROR; - } - } -#endif /* DEBUG_NO_PREFIX */ - - /* Mark this file as has screen descriptor, and no pixel written yet: */ - Private->FileState |= FILE_STATE_SCREEN; - - return GIF_OK; -} - -/****************************************************************************** - * This routine should be called before any attempt to dump an image - any - * call to any of the pixel dump routines. - *****************************************************************************/ -int -EGifPutImageDesc(GifFileType * GifFile, - int Left, - int Top, - int Width, - int Height, - int Interlace, - const ColorMapObject * ColorMap) { - - int i; - GifByteType Buf[3]; - GifFilePrivateType *Private = (GifFilePrivateType *)GifFile->Private; - - if (Private->FileState & FILE_STATE_IMAGE && -#if defined(__MSDOS__) || defined(WINDOWS32) || defined(__GNUC__) - Private->PixelCount > 0xffff0000UL) { -#else - Private->PixelCount > 0xffff0000) { -#endif /* __MSDOS__ */ - /* If already has active image descriptor - something is wrong! */ - _GifError = E_GIF_ERR_HAS_IMAG_DSCR; - return GIF_ERROR; - } - if (!IS_WRITEABLE(Private)) { - /* This file was NOT open for writing: */ - _GifError = E_GIF_ERR_NOT_WRITEABLE; - return GIF_ERROR; - } - GifFile->Image.Left = Left; - GifFile->Image.Top = Top; - GifFile->Image.Width = Width; - GifFile->Image.Height = Height; - GifFile->Image.Interlace = Interlace; - if (ColorMap) { - GifFile->Image.ColorMap = MakeMapObject(ColorMap->ColorCount, - ColorMap->Colors); - if (GifFile->Image.ColorMap == NULL) { - _GifError = E_GIF_ERR_NOT_ENOUGH_MEM; - return GIF_ERROR; - } - } else { - GifFile->Image.ColorMap = NULL; - } - - /* Put the image descriptor into the file: */ - Buf[0] = ','; /* Image seperator character. */ -#ifndef DEBUG_NO_PREFIX - WRITE(GifFile, Buf, 1); -#endif /* DEBUG_NO_PREFIX */ - EGifPutWord(Left, GifFile); - EGifPutWord(Top, GifFile); - EGifPutWord(Width, GifFile); - EGifPutWord(Height, GifFile); - Buf[0] = (ColorMap ? 0x80 : 0x00) | - (Interlace ? 0x40 : 0x00) | - (ColorMap ? ColorMap->BitsPerPixel - 1 : 0); -#ifndef DEBUG_NO_PREFIX - WRITE(GifFile, Buf, 1); -#endif /* DEBUG_NO_PREFIX */ - - /* If we have Global color map - dump it also: */ -#ifndef DEBUG_NO_PREFIX - if (ColorMap != NULL) - for (i = 0; i < ColorMap->ColorCount; i++) { - /* Put the ColorMap out also: */ - Buf[0] = ColorMap->Colors[i].Red; - Buf[1] = ColorMap->Colors[i].Green; - Buf[2] = ColorMap->Colors[i].Blue; - if (WRITE(GifFile, Buf, 3) != 3) { - _GifError = E_GIF_ERR_WRITE_FAILED; - return GIF_ERROR; - } - } -#endif /* DEBUG_NO_PREFIX */ - if (GifFile->SColorMap == NULL && GifFile->Image.ColorMap == NULL) { - _GifError = E_GIF_ERR_NO_COLOR_MAP; - return GIF_ERROR; - } - - /* Mark this file as has screen descriptor: */ - Private->FileState |= FILE_STATE_IMAGE; - Private->PixelCount = (long)Width *(long)Height; - - EGifSetupCompress(GifFile); /* Reset compress algorithm parameters. */ - - return GIF_OK; -} - -/****************************************************************************** - * Put one full scanned line (Line) of length LineLen into GIF file. - *****************************************************************************/ -int -EGifPutLine(GifFileType * GifFile, - GifPixelType * Line, - int LineLen) { - - int i; - GifPixelType Mask; - GifFilePrivateType *Private = (GifFilePrivateType *) GifFile->Private; - - if (!IS_WRITEABLE(Private)) { - /* This file was NOT open for writing: */ - _GifError = E_GIF_ERR_NOT_WRITEABLE; - return GIF_ERROR; - } - - if (!LineLen) - LineLen = GifFile->Image.Width; - if (Private->PixelCount < (unsigned)LineLen) { - _GifError = E_GIF_ERR_DATA_TOO_BIG; - return GIF_ERROR; - } - Private->PixelCount -= LineLen; - - /* Make sure the codes are not out of bit range, as we might generate - * wrong code (because of overflow when we combine them) in this case: */ - Mask = CodeMask[Private->BitsPerPixel]; - for (i = 0; i < LineLen; i++) - Line[i] &= Mask; - - return EGifCompressLine(GifFile, Line, LineLen); -} - -/****************************************************************************** - * Put one pixel (Pixel) into GIF file. - *****************************************************************************/ -int -EGifPutPixel(GifFileType * GifFile, - GifPixelType Pixel) { - - GifFilePrivateType *Private = (GifFilePrivateType *)GifFile->Private; - - if (!IS_WRITEABLE(Private)) { - /* This file was NOT open for writing: */ - _GifError = E_GIF_ERR_NOT_WRITEABLE; - return GIF_ERROR; - } - - if (Private->PixelCount == 0) { - _GifError = E_GIF_ERR_DATA_TOO_BIG; - return GIF_ERROR; - } - --Private->PixelCount; - - /* Make sure the code is not out of bit range, as we might generate - * wrong code (because of overflow when we combine them) in this case: */ - Pixel &= CodeMask[Private->BitsPerPixel]; - - return EGifCompressLine(GifFile, &Pixel, 1); -} - -/****************************************************************************** - * Put a comment into GIF file using the GIF89 comment extension block. - *****************************************************************************/ -int -EGifPutComment(GifFileType * GifFile, - const char *Comment) { - - unsigned int length = strlen(Comment); - char *buf; - - length = strlen(Comment); - if (length <= 255) { - return EGifPutExtension(GifFile, COMMENT_EXT_FUNC_CODE, - length, Comment); - } else { - buf = (char *)Comment; - if (EGifPutExtensionFirst(GifFile, COMMENT_EXT_FUNC_CODE, 255, buf) - == GIF_ERROR) { - return GIF_ERROR; - } - length -= 255; - buf = buf + 255; - - /* Break the comment into 255 byte sub blocks */ - while (length > 255) { - if (EGifPutExtensionNext(GifFile, 0, 255, buf) == GIF_ERROR) { - return GIF_ERROR; - } - buf = buf + 255; - length -= 255; - } - /* Output any partial block and the clear code. */ - if (length > 0) { - if (EGifPutExtensionLast(GifFile, 0, length, buf) == GIF_ERROR) { - return GIF_ERROR; - } - } else { - if (EGifPutExtensionLast(GifFile, 0, 0, NULL) == GIF_ERROR) { - return GIF_ERROR; - } - } - } - return GIF_OK; -} - -/****************************************************************************** - * Put a first extension block (see GIF manual) into gif file. Here more - * extensions can be dumped using EGifPutExtensionNext until - * EGifPutExtensionLast is invoked. - *****************************************************************************/ -int -EGifPutExtensionFirst(GifFileType * GifFile, - int ExtCode, - int ExtLen, - const VoidPtr Extension) { - - GifByteType Buf[3]; - GifFilePrivateType *Private = (GifFilePrivateType *)GifFile->Private; - - if (!IS_WRITEABLE(Private)) { - /* This file was NOT open for writing: */ - _GifError = E_GIF_ERR_NOT_WRITEABLE; - return GIF_ERROR; - } - - if (ExtCode == 0) { - WRITE(GifFile, (GifByteType *)&ExtLen, 1); - } else { - Buf[0] = '!'; - Buf[1] = ExtCode; - Buf[2] = ExtLen; - WRITE(GifFile, Buf, 3); - } - - WRITE(GifFile, Extension, ExtLen); - - return GIF_OK; -} - -/****************************************************************************** - * Put a middle extension block (see GIF manual) into gif file. - *****************************************************************************/ -int -EGifPutExtensionNext(GifFileType * GifFile, - int ExtCode, - int ExtLen, - const VoidPtr Extension) { - - GifByteType Buf; - GifFilePrivateType *Private = (GifFilePrivateType *)GifFile->Private; - - if (!IS_WRITEABLE(Private)) { - /* This file was NOT open for writing: */ - _GifError = E_GIF_ERR_NOT_WRITEABLE; - return GIF_ERROR; - } - - Buf = ExtLen; - WRITE(GifFile, &Buf, 1); - WRITE(GifFile, Extension, ExtLen); - - return GIF_OK; -} - -/****************************************************************************** - * Put a last extension block (see GIF manual) into gif file. - *****************************************************************************/ -int -EGifPutExtensionLast(GifFileType * GifFile, - int ExtCode, - int ExtLen, - const VoidPtr Extension) { - - GifByteType Buf; - GifFilePrivateType *Private = (GifFilePrivateType *)GifFile->Private; - - if (!IS_WRITEABLE(Private)) { - /* This file was NOT open for writing: */ - _GifError = E_GIF_ERR_NOT_WRITEABLE; - return GIF_ERROR; - } - - /* If we are given an extension sub-block output it now. */ - if (ExtLen > 0) { - Buf = ExtLen; - WRITE(GifFile, &Buf, 1); - WRITE(GifFile, Extension, ExtLen); - } - - /* Write the block terminator */ - Buf = 0; - WRITE(GifFile, &Buf, 1); - - return GIF_OK; -} - -/****************************************************************************** - * Put an extension block (see GIF manual) into gif file. - * Warning: This function is only useful for Extension blocks that have at - * most one subblock. Extensions with more than one subblock need to use the - * EGifPutExtension{First,Next,Last} functions instead. - *****************************************************************************/ -int -EGifPutExtension(GifFileType * GifFile, - int ExtCode, - int ExtLen, - const VoidPtr Extension) { - - GifByteType Buf[3]; - GifFilePrivateType *Private = (GifFilePrivateType *)GifFile->Private; - - if (!IS_WRITEABLE(Private)) { - /* This file was NOT open for writing: */ - _GifError = E_GIF_ERR_NOT_WRITEABLE; - return GIF_ERROR; - } - - if (ExtCode == 0) - WRITE(GifFile, (GifByteType *)&ExtLen, 1); - else { - Buf[0] = '!'; /* Extension Introducer 0x21 */ - Buf[1] = ExtCode; /* Extension Label */ - Buf[2] = ExtLen; /* Extension length */ - WRITE(GifFile, Buf, 3); - } - WRITE(GifFile, Extension, ExtLen); - Buf[0] = 0; - WRITE(GifFile, Buf, 1); - - return GIF_OK; -} - -/****************************************************************************** - * Put the image code in compressed form. This routine can be called if the - * information needed to be piped out as is. Obviously this is much faster - * than decoding and encoding again. This routine should be followed by calls - * to EGifPutCodeNext, until NULL block is given. - * The block should NOT be freed by the user (not dynamically allocated). - *****************************************************************************/ -int -EGifPutCode(GifFileType * GifFile, - int CodeSize, - const GifByteType * CodeBlock) { - - GifFilePrivateType *Private = (GifFilePrivateType *)GifFile->Private; - - if (!IS_WRITEABLE(Private)) { - /* This file was NOT open for writing: */ - _GifError = E_GIF_ERR_NOT_WRITEABLE; - return GIF_ERROR; - } - - /* No need to dump code size as Compression set up does any for us: */ - /* - * Buf = CodeSize; - * if (WRITE(GifFile, &Buf, 1) != 1) { - * _GifError = E_GIF_ERR_WRITE_FAILED; - * return GIF_ERROR; - * } - */ - - return EGifPutCodeNext(GifFile, CodeBlock); -} - -/****************************************************************************** - * Continue to put the image code in compressed form. This routine should be - * called with blocks of code as read via DGifGetCode/DGifGetCodeNext. If - * given buffer pointer is NULL, empty block is written to mark end of code. - *****************************************************************************/ -int -EGifPutCodeNext(GifFileType * GifFile, - const GifByteType * CodeBlock) { - - GifByteType Buf; - GifFilePrivateType *Private = (GifFilePrivateType *)GifFile->Private; - - if (CodeBlock != NULL) { - if (WRITE(GifFile, CodeBlock, CodeBlock[0] + 1) - != (unsigned)(CodeBlock[0] + 1)) { - _GifError = E_GIF_ERR_WRITE_FAILED; - return GIF_ERROR; - } - } else { - Buf = 0; - if (WRITE(GifFile, &Buf, 1) != 1) { - _GifError = E_GIF_ERR_WRITE_FAILED; - return GIF_ERROR; - } - Private->PixelCount = 0; /* And local info. indicate image read. */ - } - - return GIF_OK; -} - -/****************************************************************************** - * This routine should be called last, to close GIF file. - *****************************************************************************/ -int -EGifCloseFile(GifFileType * GifFile) { - - GifByteType Buf; - GifFilePrivateType *Private; - FILE *File; - - if (GifFile == NULL) - return GIF_ERROR; - - Private = (GifFilePrivateType *) GifFile->Private; - if (!IS_WRITEABLE(Private)) { - /* This file was NOT open for writing: */ - _GifError = E_GIF_ERR_NOT_WRITEABLE; - return GIF_ERROR; - } - - File = Private->File; - - Buf = ';'; - WRITE(GifFile, &Buf, 1); - - if (GifFile->Image.ColorMap) { - FreeMapObject(GifFile->Image.ColorMap); - GifFile->Image.ColorMap = NULL; - } - if (GifFile->SColorMap) { - FreeMapObject(GifFile->SColorMap); - GifFile->SColorMap = NULL; - } - if (Private) { - if (Private->HashTable) { - free((char *) Private->HashTable); - } - free((char *) Private); - } - free(GifFile); - - if (File && fclose(File) != 0) { - _GifError = E_GIF_ERR_CLOSE_FAILED; - return GIF_ERROR; - } - return GIF_OK; -} - -/****************************************************************************** - * Put 2 bytes (word) into the given file: - *****************************************************************************/ -static int -EGifPutWord(int Word, - GifFileType * GifFile) { - - unsigned char c[2]; - - c[0] = Word & 0xff; - c[1] = (Word >> 8) & 0xff; -#ifndef DEBUG_NO_PREFIX - if (WRITE(GifFile, c, 2) == 2) - return GIF_OK; - else - return GIF_ERROR; -#else - return GIF_OK; -#endif /* DEBUG_NO_PREFIX */ -} - -/****************************************************************************** - * Setup the LZ compression for this image: - *****************************************************************************/ -static int -EGifSetupCompress(GifFileType * GifFile) { - - int BitsPerPixel; - GifByteType Buf; - GifFilePrivateType *Private = (GifFilePrivateType *) GifFile->Private; - - /* Test and see what color map to use, and from it # bits per pixel: */ - if (GifFile->Image.ColorMap) - BitsPerPixel = GifFile->Image.ColorMap->BitsPerPixel; - else if (GifFile->SColorMap) - BitsPerPixel = GifFile->SColorMap->BitsPerPixel; - else { - _GifError = E_GIF_ERR_NO_COLOR_MAP; - return GIF_ERROR; - } - - Buf = BitsPerPixel = (BitsPerPixel < 2 ? 2 : BitsPerPixel); - WRITE(GifFile, &Buf, 1); /* Write the Code size to file. */ - - Private->Buf[0] = 0; /* Nothing was output yet. */ - Private->BitsPerPixel = BitsPerPixel; - Private->ClearCode = (1 << BitsPerPixel); - Private->EOFCode = Private->ClearCode + 1; - Private->RunningCode = Private->EOFCode + 1; - Private->RunningBits = BitsPerPixel + 1; /* Number of bits per code. */ - Private->MaxCode1 = 1 << Private->RunningBits; /* Max. code + 1. */ - Private->CrntCode = FIRST_CODE; /* Signal that this is first one! */ - Private->CrntShiftState = 0; /* No information in CrntShiftDWord. */ - Private->CrntShiftDWord = 0; - - /* Clear hash table and send Clear to make sure the decoder do the same. */ - _ClearHashTable(Private->HashTable); - - if (EGifCompressOutput(GifFile, Private->ClearCode) == GIF_ERROR) { - _GifError = E_GIF_ERR_DISK_IS_FULL; - return GIF_ERROR; - } - return GIF_OK; -} - -/****************************************************************************** - * The LZ compression routine: - * This version compresses the given buffer Line of length LineLen. - * This routine can be called a few times (one per scan line, for example), in - * order to complete the whole image. -******************************************************************************/ -static int -EGifCompressLine(GifFileType * GifFile, - GifPixelType * Line, - int LineLen) { - - int i = 0, CrntCode, NewCode; - unsigned long NewKey; - GifPixelType Pixel; - GifHashTableType *HashTable; - GifFilePrivateType *Private = (GifFilePrivateType *) GifFile->Private; - - HashTable = Private->HashTable; - - if (Private->CrntCode == FIRST_CODE) /* Its first time! */ - CrntCode = Line[i++]; - else - CrntCode = Private->CrntCode; /* Get last code in compression. */ - - while (i < LineLen) { /* Decode LineLen items. */ - Pixel = Line[i++]; /* Get next pixel from stream. */ - /* Form a new unique key to search hash table for the code combines - * CrntCode as Prefix string with Pixel as postfix char. - */ - NewKey = (((UINT32) CrntCode) << 8) + Pixel; - if ((NewCode = _ExistsHashTable(HashTable, NewKey)) >= 0) { - /* This Key is already there, or the string is old one, so - * simple take new code as our CrntCode: - */ - CrntCode = NewCode; - } else { - /* Put it in hash table, output the prefix code, and make our - * CrntCode equal to Pixel. - */ - if (EGifCompressOutput(GifFile, CrntCode) == GIF_ERROR) { - _GifError = E_GIF_ERR_DISK_IS_FULL; - return GIF_ERROR; - } - CrntCode = Pixel; - - /* If however the HashTable if full, we send a clear first and - * Clear the hash table. - */ - if (Private->RunningCode >= LZ_MAX_CODE) { - /* Time to do some clearance: */ - if (EGifCompressOutput(GifFile, Private->ClearCode) - == GIF_ERROR) { - _GifError = E_GIF_ERR_DISK_IS_FULL; - return GIF_ERROR; - } - Private->RunningCode = Private->EOFCode + 1; - Private->RunningBits = Private->BitsPerPixel + 1; - Private->MaxCode1 = 1 << Private->RunningBits; - _ClearHashTable(HashTable); - } else { - /* Put this unique key with its relative Code in hash table: */ - _InsertHashTable(HashTable, NewKey, Private->RunningCode++); - } - } - - } - - /* Preserve the current state of the compression algorithm: */ - Private->CrntCode = CrntCode; - - if (Private->PixelCount == 0) { - /* We are done - output last Code and flush output buffers: */ - if (EGifCompressOutput(GifFile, CrntCode) == GIF_ERROR) { - _GifError = E_GIF_ERR_DISK_IS_FULL; - return GIF_ERROR; - } - if (EGifCompressOutput(GifFile, Private->EOFCode) == GIF_ERROR) { - _GifError = E_GIF_ERR_DISK_IS_FULL; - return GIF_ERROR; - } - if (EGifCompressOutput(GifFile, FLUSH_OUTPUT) == GIF_ERROR) { - _GifError = E_GIF_ERR_DISK_IS_FULL; - return GIF_ERROR; - } - } - - return GIF_OK; -} - -/****************************************************************************** - * The LZ compression output routine: - * This routine is responsible for the compression of the bit stream into - * 8 bits (bytes) packets. - * Returns GIF_OK if written succesfully. - *****************************************************************************/ -static int -EGifCompressOutput(GifFileType * GifFile, - int Code) { - - GifFilePrivateType *Private = (GifFilePrivateType *) GifFile->Private; - int retval = GIF_OK; - - if (Code == FLUSH_OUTPUT) { - while (Private->CrntShiftState > 0) { - /* Get Rid of what is left in DWord, and flush it. */ - if (EGifBufferedOutput(GifFile, Private->Buf, - Private->CrntShiftDWord & 0xff) == GIF_ERROR) - retval = GIF_ERROR; - Private->CrntShiftDWord >>= 8; - Private->CrntShiftState -= 8; - } - Private->CrntShiftState = 0; /* For next time. */ - if (EGifBufferedOutput(GifFile, Private->Buf, - FLUSH_OUTPUT) == GIF_ERROR) - retval = GIF_ERROR; - } else { - Private->CrntShiftDWord |= ((long)Code) << Private->CrntShiftState; - Private->CrntShiftState += Private->RunningBits; - while (Private->CrntShiftState >= 8) { - /* Dump out full bytes: */ - if (EGifBufferedOutput(GifFile, Private->Buf, - Private->CrntShiftDWord & 0xff) == GIF_ERROR) - retval = GIF_ERROR; - Private->CrntShiftDWord >>= 8; - Private->CrntShiftState -= 8; - } - } - - /* If code cannt fit into RunningBits bits, must raise its size. Note */ - /* however that codes above 4095 are used for special signaling. */ - if (Private->RunningCode >= Private->MaxCode1 && Code <= 4095) { - Private->MaxCode1 = 1 << ++Private->RunningBits; - } - - return retval; -} - -/****************************************************************************** - * This routines buffers the given characters until 255 characters are ready - * to be output. If Code is equal to -1 the buffer is flushed (EOF). - * The buffer is Dumped with first byte as its size, as GIF format requires. - * Returns GIF_OK if written succesfully. - *****************************************************************************/ -static int -EGifBufferedOutput(GifFileType * GifFile, - GifByteType * Buf, - int c) { - - if (c == FLUSH_OUTPUT) { - /* Flush everything out. */ - if (Buf[0] != 0 - && WRITE(GifFile, Buf, Buf[0] + 1) != (unsigned)(Buf[0] + 1)) { - _GifError = E_GIF_ERR_WRITE_FAILED; - return GIF_ERROR; - } - /* Mark end of compressed data, by an empty block (see GIF doc): */ - Buf[0] = 0; - if (WRITE(GifFile, Buf, 1) != 1) { - _GifError = E_GIF_ERR_WRITE_FAILED; - return GIF_ERROR; - } - } else { - if (Buf[0] == 255) { - /* Dump out this buffer - it is full: */ - if (WRITE(GifFile, Buf, Buf[0] + 1) != (unsigned)(Buf[0] + 1)) { - _GifError = E_GIF_ERR_WRITE_FAILED; - return GIF_ERROR; - } - Buf[0] = 0; - } - Buf[++Buf[0]] = c; - } - - return GIF_OK; -} - -/****************************************************************************** - * This routine writes to disk an in-core representation of a GIF previously - * created by DGifSlurp(). - *****************************************************************************/ -int -EGifSpew(GifFileType * GifFileOut) { - - int i, j, gif89 = FALSE; - int bOff; /* Block Offset for adding sub blocks in Extensions */ - char SavedStamp[GIF_STAMP_LEN + 1]; - - for (i = 0; i < GifFileOut->ImageCount; i++) { - for (j = 0; j < GifFileOut->SavedImages[i].ExtensionBlockCount; j++) { - int function = - GifFileOut->SavedImages[i].ExtensionBlocks[j].Function; - - if (function == COMMENT_EXT_FUNC_CODE - || function == GRAPHICS_EXT_FUNC_CODE - || function == PLAINTEXT_EXT_FUNC_CODE - || function == APPLICATION_EXT_FUNC_CODE) - gif89 = TRUE; - } - } - - strncpy(SavedStamp, GifVersionPrefix, GIF_STAMP_LEN); - if (gif89) { - strncpy(GifVersionPrefix, GIF89_STAMP, GIF_STAMP_LEN); - } else { - strncpy(GifVersionPrefix, GIF87_STAMP, GIF_STAMP_LEN); - } - if (EGifPutScreenDesc(GifFileOut, - GifFileOut->SWidth, - GifFileOut->SHeight, - GifFileOut->SColorResolution, - GifFileOut->SBackGroundColor, - GifFileOut->SColorMap) == GIF_ERROR) { - strncpy(GifVersionPrefix, SavedStamp, GIF_STAMP_LEN); - return (GIF_ERROR); - } - strncpy(GifVersionPrefix, SavedStamp, GIF_STAMP_LEN); - - for (i = 0; i < GifFileOut->ImageCount; i++) { - SavedImage *sp = &GifFileOut->SavedImages[i]; - int SavedHeight = sp->ImageDesc.Height; - int SavedWidth = sp->ImageDesc.Width; - ExtensionBlock *ep; - - /* this allows us to delete images by nuking their rasters */ - if (sp->RasterBits == NULL) - continue; - - if (sp->ExtensionBlocks) { - for (j = 0; j < sp->ExtensionBlockCount; j++) { - ep = &sp->ExtensionBlocks[j]; - if (j == sp->ExtensionBlockCount - 1 || (ep+1)->Function != 0) { - /*** FIXME: Must check whether outputting - * is ever valid or if we should just - * drop anything with a 0 for the Function. (And whether - * we should drop here or in EGifPutExtension) - */ - if (EGifPutExtension(GifFileOut, - (ep->Function != 0) ? ep->Function : '\0', - ep->ByteCount, - ep->Bytes) == GIF_ERROR) { - return (GIF_ERROR); - } - } else { - EGifPutExtensionFirst(GifFileOut, ep->Function, ep->ByteCount, ep->Bytes); - for (bOff = j+1; bOff < sp->ExtensionBlockCount; bOff++) { - ep = &sp->ExtensionBlocks[bOff]; - if (ep->Function != 0) { - break; - } - EGifPutExtensionNext(GifFileOut, 0, - ep->ByteCount, ep->Bytes); - } - EGifPutExtensionLast(GifFileOut, 0, 0, NULL); - j = bOff-1; - } - } - } - - if (EGifPutImageDesc(GifFileOut, - sp->ImageDesc.Left, - sp->ImageDesc.Top, - SavedWidth, - SavedHeight, - sp->ImageDesc.Interlace, - sp->ImageDesc.ColorMap) == GIF_ERROR) - return (GIF_ERROR); - - for (j = 0; j < SavedHeight; j++) { - if (EGifPutLine(GifFileOut, - sp->RasterBits + j * SavedWidth, - SavedWidth) == GIF_ERROR) - return (GIF_ERROR); - } - } - - if (EGifCloseFile(GifFileOut) == GIF_ERROR) - return (GIF_ERROR); - - return (GIF_OK); -} diff --git a/getarg.c b/getarg.c deleted file mode 100644 index 82c9769..0000000 --- a/getarg.c +++ /dev/null @@ -1,697 +0,0 @@ -/*************************************************************************** - * Routines to grab the parameters from the command line: - * All the routines except the main one, starts with GA (Get Arguments) to - * prevent from names conflicts. - * It is assumed in these routine that any pointer, for any type has the - * same length (i.e. length of int pointer is equal to char pointer etc.) - * - * The following routines are available in this module: - * 1. int GAGetArgs(argc, argv, CtrlStr, Variables...) - * where argc, argv as received on entry. - * CtrlStr is the contrl string (see below) - * Variables are all the variables to be set according to CtrlStr. - * Note that all the variables MUST be transfered by address. - * return 0 on correct parsing, otherwise error number (see GetArg.h). - * 2. GAPrintHowTo(CtrlStr) - * Print the control string to stderr, in the correct format needed. - * This feature is very useful in case of error during GetArgs parsing. - * Chars equal to SPACE_CHAR are not printed (regular spaces are NOT - * allowed, and so using SPACE_CHAR you can create space in PrintHowTo). - * 3. GAPrintErrMsg(Error) - * Print the error to stderr, according to Error (usually returned by - * GAGetArgs). - * - * CtrlStr format: - * The control string passed to GetArgs controls the way argv (argc) are - * parsed. Each entry in this string must not have any spaces in it. The - * First Entry is the name of the program which is usually ignored except - * when GAPrintHowTo is called. All the other entries (except the last one - * which we will come back to it later) must have the following format: - * 1. One letter which sets the option letter. - * 2. '!' or '%' to determines if this option is really optional ('%') or - * it must exists ('!')... - * 3. '-' allways. - * 4. Alpha numeric string, usually ignored, but used by GAPrintHowTo to - * print the meaning of this input. - * 5. Sequences starts with '!' or '%'. Again if '!' then this sequence - * must exists (only if its option flag is given of course), and if '%' - * it is optional. Each sequence will continue with one or two - * characters which defines the kind of the input: - * a. d, x, o, u - integer is expected (decimal, hex, octal base or - * unsigned). - * b. D, X, O, U - long integer is expected (same as above). - * c. f - float number is expected. - * d. F - double number is expected. - * e. s - string is expected. - * f. *? - any number of '?' kind (d, x, o, u, D, X, O, U, f, F, s) - * will match this one. If '?' is numeric, it scans until - * none numeric input is given. If '?' is 's' then it scans - * up to the next option or end of argv. - * - * If the last parameter given in the CtrlStr, is not an option (i.e. the - * second char is not in ['!', '%'] and the third one is not '-'), all what - * remained from argv is linked to it. - * - * The variables passed to GAGetArgs (starting from 4th parameter) MUST - * match the order of the CtrlStr: - * For each option, one integer address must be passed. This integer must - * initialized by 0. If that option is given in the command line, it will - * be set to one. - * In addition, the sequences that might follow an option require the - * following parameters to pass: - * 1. d, x, o, u - pointer to integer (int *). - * 2. D, X, O, U - pointer to long (long *). - * 3. f - pointer to float (float *). - * 4. F - pointer to double (double *). - * 5. s - pointer to char (char *). NO allocation is needed! - * 6. *? - TWO variables are passed for each wild request. the first - * one is (address of) integer, and it will return number of - * parameters actually matched this sequence, and the second - * one is a pointer to pointer to ? (? **), and will return an - * address to a block of pointers to ? kind, terminated with - * NULL pointer. NO pre-allocation is needed. - * note that these two variables are pretty like the argv/argc - * pair... - * - * Examples: - * - * "Example1 i%-OneInteger!d s%-Strings!*s j%- k!-Float!f Files" - * Will match: Example1 -i 77 -s String1 String2 String3 -k 88.2 File1 File2 - * or match: Example1 -s String1 -k 88.3 -i 999 -j - * but not: Example1 -i 77 78 (option i expects one integer, k must be). - * Note the option k must exists, and that the order of the options is not - * not important. In the first examples File1 & File2 will match the Files - * in the command line. - * A call to GAPrintHowTo with this CtrlStr will print to stderr: - * Example1 [-i OneIngeter] [-s Strings...] [-j] -k Float Files... - * - * Notes: - * - * 1. This module assumes that all the pointers to all kind of data types - * have the same length and format, i.e. sizeof(int *) == sizeof(char *). - * - * Gershon Elber Ver 0.2 Mar 88 - *************************************************************************** - * History: - * 11 Mar 88 - Version 1.0 by Gershon Elber. - **************************************************************************/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#include - -#ifdef __MSDOS__ -#include -#endif /* __MSDOS__ */ - -#ifdef HAVE_STDARG_H -#include -#elif defined(HAVE_VARARGS_H) -#include -#endif - -#include -#include -#include "getarg.h" - -#ifndef MYMALLOC -#define MYMALLOC /* If no "MyMalloc" routine elsewhere define this. */ -#endif - -#define MAX_PARAM 100 /* maximum number of parameters allowed. */ -#define CTRL_STR_MAX_LEN 1024 - -#define SPACE_CHAR '|' /* The character not to print using HowTo. */ - -#ifndef TRUE -#define TRUE 1 -#define FALSE 0 -#endif /* TRUE */ - -#define ARG_OK 0 - -#define ISSPACE(x) ((x) <= ' ') /* Not conventional - but works fine! */ - -/* The two characters '%' and '!' are used in the control string: */ -#define ISCTRLCHAR(x) (((x) == '%') || ((x) == '!')) - -static char *GAErrorToken; /* On error, ErrorToken is set to point to it. */ -static int GATestAllSatis(char *CtrlStrCopy, char *CtrlStr, int *argc, - char ***argv, int *Parameters[MAX_PARAM], - int *ParamCount); -static int GAUpdateParameters(int *Parameters[], int *ParamCount, - char *Option, char *CtrlStrCopy, char *CtrlStr, - int *argc, char ***argv); -static int GAGetParmeters(int *Parameters[], int *ParamCount, - char *CtrlStrCopy, char *Option, int *argc, - char ***argv); -static int GAGetMultiParmeters(int *Parameters[], int *ParamCount, - char *CtrlStrCopy, int *argc, char ***argv); -static void GASetParamCount(char *CtrlStr, int Max, int *ParamCount); -static void GAByteCopy(char *Dst, char *Src, unsigned n); -static int GAOptionExists(int argc, char **argv); -#ifdef MYMALLOC -static char *MyMalloc(unsigned size); -#endif /* MYMALLOC */ - -/*************************************************************************** - * Routine to access the command line argument and interpret them: - * Return ARG_OK (0) is case of succesfull parsing, error code else... - **************************************************************************/ -#ifdef HAVE_STDARG_H -int -GAGetArgs(int argc, - char **argv, - char *CtrlStr, ...) { - - int i, Error = FALSE, ParamCount = 0; - int *Parameters[MAX_PARAM]; /* Save here parameter addresses. */ - char *Option, CtrlStrCopy[CTRL_STR_MAX_LEN]; - va_list ap; - - strcpy(CtrlStrCopy, CtrlStr); - va_start(ap, CtrlStr); - for (i = 1; i <= MAX_PARAM; i++) - Parameters[i - 1] = va_arg(ap, int *); - va_end(ap); - -#elif defined(HAVE_VARARGS_H) -int GAGetArgs(va_alist) - va_dcl -{ - va_list ap; - int argc, i, Error = FALSE, ParamCount = 0; - int *Parameters[MAX_PARAM]; /* Save here parameter addresses. */ - char **argv, *CtrlStr, *Option, CtrlStrCopy[CTRL_STR_MAX_LEN]; - - va_start(ap); - - argc = va_arg(ap, int); - argv = va_arg(ap, char **); - CtrlStr = va_arg(ap, char *); - - va_end(ap); - - strcpy(CtrlStrCopy, CtrlStr); - - /* Using base address of parameters we access other parameters addr: - * Note that me (for sure!) samples data beyond the current function - * frame, but we accesson these set address only by demand. */ - for (i = 1; i <= MAX_PARAM; i++) - Parameters[i - 1] = va_arg(ap, int *); -#endif /* HAVE_STDARG_H */ - - --argc; - argv++; /* Skip the program name (first in argv/c list). */ - while (argc >= 0) { - if (!GAOptionExists(argc, argv)) - break; /* The loop. */ - argc--; - Option = *argv++; - if ((Error = GAUpdateParameters(Parameters, &ParamCount, Option, - CtrlStrCopy, CtrlStr, &argc, - &argv)) != FALSE) - return Error; - } - /* Check for results and update trail of command line: */ - return GATestAllSatis(CtrlStrCopy, CtrlStr, &argc, &argv, Parameters, - &ParamCount); -} - -/*************************************************************************** - * Routine to search for unsatisfied flags - simply scan the list for !- - * sequence. Before this scan, this routine updates the rest of the command - * line into the last two parameters if it is requested by the CtrlStr - * (last item in CtrlStr is NOT an option). - * Return ARG_OK if all satisfied, CMD_ERR_AllSatis error else. - **************************************************************************/ -static int -GATestAllSatis(char *CtrlStrCopy, - char *CtrlStr, - int *argc, - char ***argv, - int *Parameters[MAX_PARAM], - int *ParamCount) { - - int i; - static char *LocalToken = NULL; - - /* If LocalToken is not initialized - do it now. Note that this string - * should be writable as well so we can not assign it directly. - */ - if (LocalToken == NULL) { - LocalToken = (char *)malloc(3); - strcpy(LocalToken, "-?"); - } - - /* Check if last item is an option. If not then copy rest of command - * line into it as 1. NumOfprm, 2. pointer to block of pointers. - */ - for (i = strlen(CtrlStr) - 1; i > 0 && !ISSPACE(CtrlStr[i]); i--) ; - if (!ISCTRLCHAR(CtrlStr[i + 2])) { - GASetParamCount(CtrlStr, i, ParamCount); /* Point in correct param. */ - *Parameters[(*ParamCount)++] = *argc; - GAByteCopy((char *)Parameters[(*ParamCount)++], (char *)argv, - sizeof(char *)); - } - - i = 0; - while (++i < (int)strlen(CtrlStrCopy)) - if ((CtrlStrCopy[i] == '-') && (CtrlStrCopy[i - 1] == '!')) { - GAErrorToken = LocalToken; - LocalToken[1] = CtrlStrCopy[i - 2]; /* Set the correct flag. */ - return CMD_ERR_AllSatis; - } - - return ARG_OK; -} - -/*************************************************************************** - * Routine to update the parameters according to the given Option: - **************************************************************************/ -static int -GAUpdateParameters(int *Parameters[], - int *ParamCount, - char *Option, - char *CtrlStrCopy, - char *CtrlStr, - int *argc, - char ***argv) { - - int i, BooleanTrue = Option[2] != '-'; - - if (Option[0] != '-') { - GAErrorToken = Option; - return CMD_ERR_NotAnOpt; - } - i = 0; /* Scan the CtrlStrCopy for that option: */ - while (i + 2 < (int)strlen(CtrlStrCopy)) { - if ((CtrlStrCopy[i] == Option[1]) && (ISCTRLCHAR(CtrlStrCopy[i + 1])) - && (CtrlStrCopy[i + 2] == '-')) { - /* We found that option! */ - break; - } - i++; - } - if (i + 2 >= (int)strlen(CtrlStrCopy)) { - GAErrorToken = Option; - return CMD_ERR_NoSuchOpt; - } - - /* If we are here, then we found that option in CtrlStr - Strip it off: */ - CtrlStrCopy[i] = CtrlStrCopy[i + 1] = CtrlStrCopy[i + 2] = (char)' '; - GASetParamCount(CtrlStr, i, ParamCount); /* Set it to point in - correct prm. */ - i += 3; - /* Set boolean flag for that option. */ - *Parameters[(*ParamCount)++] = BooleanTrue; - if (ISSPACE(CtrlStrCopy[i])) - return ARG_OK; /* Only a boolean flag is needed. */ - - /* Skip the text between the boolean option and data follows: */ - while (!ISCTRLCHAR(CtrlStrCopy[i])) - i++; - /* Get the parameters and return the appropriete return code: */ - return GAGetParmeters(Parameters, ParamCount, &CtrlStrCopy[i], - Option, argc, argv); -} - -/*************************************************************************** - * Routine to get parameters according to the CtrlStr given from argv/c : - **************************************************************************/ -static int -GAGetParmeters(int *Parameters[], - int *ParamCount, - char *CtrlStrCopy, - char *Option, - int *argc, - char ***argv) { - - int i = 0, ScanRes; - - while (!(ISSPACE(CtrlStrCopy[i]))) { - switch (CtrlStrCopy[i + 1]) { - case 'd': /* Get signed integers. */ - ScanRes = sscanf(*((*argv)++), "%d", - (int *)Parameters[(*ParamCount)++]); - break; - case 'u': /* Get unsigned integers. */ - ScanRes = sscanf(*((*argv)++), "%u", - (unsigned *)Parameters[(*ParamCount)++]); - break; - case 'x': /* Get hex integers. */ - ScanRes = sscanf(*((*argv)++), "%x", - (unsigned int *)Parameters[(*ParamCount)++]); - break; - case 'o': /* Get octal integers. */ - ScanRes = sscanf(*((*argv)++), "%o", - (unsigned int *)Parameters[(*ParamCount)++]); - break; - case 'D': /* Get signed long integers. */ - ScanRes = sscanf(*((*argv)++), "%ld", - (long *)Parameters[(*ParamCount)++]); - break; - case 'U': /* Get unsigned long integers. */ - ScanRes = sscanf(*((*argv)++), "%lu", - (unsigned long *)Parameters[(*ParamCount)++]); - break; - case 'X': /* Get hex long integers. */ - ScanRes = sscanf(*((*argv)++), "%lx", - (unsigned long *)Parameters[(*ParamCount)++]); - break; - case 'O': /* Get octal long integers. */ - ScanRes = sscanf(*((*argv)++), "%lo", - (unsigned long *)Parameters[(*ParamCount)++]); - break; - case 'f': /* Get float number. */ - ScanRes = sscanf(*((*argv)++), "%f", - (float *)Parameters[(*ParamCount)++]); - case 'F': /* Get double float number. */ - ScanRes = sscanf(*((*argv)++), "%lf", - (double *)Parameters[(*ParamCount)++]); - break; - case 's': /* It as a string. */ - ScanRes = 1; /* Allways O.K. */ - GAByteCopy((char *)Parameters[(*ParamCount)++], - (char *)((*argv)++), sizeof(char *)); - break; - case '*': /* Get few parameters into one: */ - ScanRes = GAGetMultiParmeters(Parameters, ParamCount, - &CtrlStrCopy[i], argc, argv); - if ((ScanRes == 0) && (CtrlStrCopy[i] == '!')) { - GAErrorToken = Option; - return CMD_ERR_WildEmpty; - } - break; - default: - ScanRes = 0; /* Make optimizer warning silent. */ - } - /* If reading fails and this number is a must (!) then error: */ - if ((ScanRes == 0) && (CtrlStrCopy[i] == '!')) { - GAErrorToken = Option; - return CMD_ERR_NumRead; - } - if (CtrlStrCopy[i + 1] != '*') { - (*argc)--; /* Everything is OK - update to next parameter: */ - i += 2; /* Skip to next parameter (if any). */ - } else - i += 3; /* Skip the '*' also! */ - } - - return ARG_OK; -} - -/*************************************************************************** - * Routine to get few parameters into one pointer such that the returned - * pointer actually points on a block of pointers to the parameters... - * For example *F means a pointer to pointers on floats. - * Returns number of parameters actually read. - * This routine assumes that all pointers (on any kind of scalar) has the - * same size (and the union below is totally ovelapped bteween dif. arrays) -***************************************************************************/ -static int -GAGetMultiParmeters(int *Parameters[], - int *ParamCount, - char *CtrlStrCopy, - int *argc, - char ***argv) { - - int i = 0, ScanRes, NumOfPrm = 0, **Pmain, **Ptemp; - union TmpArray { /* Save here the temporary data before copying it to */ - int *IntArray[MAX_PARAM]; /* the returned pointer block. */ - long *LngArray[MAX_PARAM]; - float *FltArray[MAX_PARAM]; - double *DblArray[MAX_PARAM]; - char *ChrArray[MAX_PARAM]; - } TmpArray; - - do { - switch (CtrlStrCopy[2]) { /* CtrlStr == '!*?' or '%*?' where ? is. */ - case 'd': /* Format to read the parameters: */ - TmpArray.IntArray[NumOfPrm] = (int *)MyMalloc(sizeof(int)); - ScanRes = sscanf(*((*argv)++), "%d", - (int *)TmpArray.IntArray[NumOfPrm++]); - break; - case 'u': - TmpArray.IntArray[NumOfPrm] = (int *)MyMalloc(sizeof(int)); - ScanRes = sscanf(*((*argv)++), "%u", - (unsigned int *)TmpArray.IntArray[NumOfPrm++]); - break; - case 'o': - TmpArray.IntArray[NumOfPrm] = (int *)MyMalloc(sizeof(int)); - ScanRes = sscanf(*((*argv)++), "%o", - (unsigned int *)TmpArray.IntArray[NumOfPrm++]); - break; - case 'x': - TmpArray.IntArray[NumOfPrm] = (int *)MyMalloc(sizeof(int)); - ScanRes = sscanf(*((*argv)++), "%x", - (unsigned int *)TmpArray.IntArray[NumOfPrm++]); - break; - case 'D': - TmpArray.LngArray[NumOfPrm] = (long *)MyMalloc(sizeof(long)); - ScanRes = sscanf(*((*argv)++), "%ld", - (long *)TmpArray.IntArray[NumOfPrm++]); - break; - case 'U': - TmpArray.LngArray[NumOfPrm] = (long *)MyMalloc(sizeof(long)); - ScanRes = sscanf(*((*argv)++), "%lu", - (unsigned long *)TmpArray. - IntArray[NumOfPrm++]); - break; - case 'O': - TmpArray.LngArray[NumOfPrm] = (long *)MyMalloc(sizeof(long)); - ScanRes = sscanf(*((*argv)++), "%lo", - (unsigned long *)TmpArray. - IntArray[NumOfPrm++]); - break; - case 'X': - TmpArray.LngArray[NumOfPrm] = (long *)MyMalloc(sizeof(long)); - ScanRes = sscanf(*((*argv)++), "%lx", - (unsigned long *)TmpArray. - IntArray[NumOfPrm++]); - break; - case 'f': - TmpArray.FltArray[NumOfPrm] = (float *)MyMalloc(sizeof(float)); - ScanRes = sscanf(*((*argv)++), "%f", - (float *)TmpArray.LngArray[NumOfPrm++]); - break; - case 'F': - TmpArray.DblArray[NumOfPrm] = - (double *)MyMalloc(sizeof(double)); - ScanRes = sscanf(*((*argv)++), "%lf", - (double *)TmpArray.LngArray[NumOfPrm++]); - break; - case 's': - while ((*argc) && ((**argv)[0] != '-')) { - TmpArray.ChrArray[NumOfPrm++] = *((*argv)++); - (*argc)--; - } - ScanRes = 0; /* Force quit from do - loop. */ - NumOfPrm++; /* Updated again immediately after loop! */ - (*argv)++; /* "" */ - break; - default: - ScanRes = 0; /* Make optimizer warning silent. */ - } - (*argc)--; - } - while (ScanRes == 1); /* Exactly one parameter was read. */ - (*argv)--; - NumOfPrm--; - (*argc)++; - - /* Now allocate the block with the exact size, and set it: */ - Ptemp = Pmain = - (int **)MyMalloc((unsigned)(NumOfPrm + 1) * sizeof(int *)); - /* And here we use the assumption that all pointers are the same: */ - for (i = 0; i < NumOfPrm; i++) - *Ptemp++ = TmpArray.IntArray[i]; - *Ptemp = NULL; /* Close the block with NULL pointer. */ - - /* That it save the number of parameters read as first parameter to - * return and the pointer to the block as second, and return: */ - *Parameters[(*ParamCount)++] = NumOfPrm; - GAByteCopy((char *)Parameters[(*ParamCount)++], (char *)&Pmain, - sizeof(char *)); - return NumOfPrm; -} - -/*************************************************************************** - * Routine to scan the CtrlStr, upto Max and count the number of parameters - * to that point: - * 1. Each option is counted as one parameter - boolean variable (int) - * 2. Within an option, each %? or !? is counted once - pointer to something - * 3. Within an option, %*? or !*? is counted twice - one for item count - * and one for pointer to block pointers. - * Note ALL variables are passed by address and so of fixed size (address). - **************************************************************************/ -static void -GASetParamCount(char *CtrlStr, - int Max, - int *ParamCount) { - int i; - - *ParamCount = 0; - for (i = 0; i < Max; i++) - if (ISCTRLCHAR(CtrlStr[i])) { - if (CtrlStr[i + 1] == '*') - *ParamCount += 2; - else - (*ParamCount)++; - } -} - -/*************************************************************************** - * Routine to copy exactly n bytes from Src to Dst. Note system library - * routine strncpy should do the same, but it stops on NULL char ! - **************************************************************************/ -static void -GAByteCopy(char *Dst, - char *Src, - unsigned n) { - - while (n--) - *(Dst++) = *(Src++); -} - -/*************************************************************************** - * Routine to check if more option (i.e. first char == '-') exists in the - * given list argc, argv: - **************************************************************************/ -static int -GAOptionExists(int argc, - char **argv) { - - while (argc--) - if ((*argv++)[0] == '-') - return TRUE; - return FALSE; -} - -/*************************************************************************** - * Routine to print some error messages, for this module: - **************************************************************************/ -void -GAPrintErrMsg(int Error) { - - fprintf(stderr, "Error in command line parsing - "); - switch (Error) { - case 0:; - fprintf(stderr, "Undefined error"); - break; - case CMD_ERR_NotAnOpt: - fprintf(stderr, "None option Found"); - break; - case CMD_ERR_NoSuchOpt: - fprintf(stderr, "Undefined option Found"); - break; - case CMD_ERR_WildEmpty: - fprintf(stderr, "Empty input for '!*?' seq."); - break; - case CMD_ERR_NumRead: - fprintf(stderr, "Failed on reading number"); - break; - case CMD_ERR_AllSatis: - fprintf(stderr, "Fail to satisfy"); - break; - } - fprintf(stderr, " - '%s'.\n", GAErrorToken); -} - -/*************************************************************************** - * Routine to print correct format of command line allowed: - **************************************************************************/ -void -GAPrintHowTo(char *CtrlStr) { - - int i = 0, SpaceFlag; - - fprintf(stderr, "Usage: "); - /* Print program name - first word in ctrl. str. (optional): */ - while (!(ISSPACE(CtrlStr[i])) && (!ISCTRLCHAR(CtrlStr[i + 1]))) - fprintf(stderr, "%c", CtrlStr[i++]); - - while (i < (int)strlen(CtrlStr)) { - while ((ISSPACE(CtrlStr[i])) && (i < (int)strlen(CtrlStr))) - i++; - switch (CtrlStr[i + 1]) { - case '%': - fprintf(stderr, " [-%c", CtrlStr[i++]); - i += 2; /* Skip the '%-' or '!- after the char! */ - SpaceFlag = TRUE; - while (!ISCTRLCHAR(CtrlStr[i]) && (i < (int)strlen(CtrlStr)) && - (!ISSPACE(CtrlStr[i]))) - if (SpaceFlag) { - if (CtrlStr[i++] == SPACE_CHAR) - fprintf(stderr, " "); - else - fprintf(stderr, " %c", CtrlStr[i - 1]); - SpaceFlag = FALSE; - } else if (CtrlStr[i++] == SPACE_CHAR) - fprintf(stderr, " "); - else - fprintf(stderr, "%c", CtrlStr[i - 1]); - while (!ISSPACE(CtrlStr[i]) && (i < (int)strlen(CtrlStr))) { - if (CtrlStr[i] == '*') - fprintf(stderr, "..."); - i++; /* Skip the rest of it. */ - } - fprintf(stderr, "]"); - break; - case '!': - fprintf(stderr, " -%c", CtrlStr[i++]); - i += 2; /* Skip the '%-' or '!- after the char! */ - SpaceFlag = TRUE; - while (!ISCTRLCHAR(CtrlStr[i]) && (i < (int)strlen(CtrlStr)) && - (!ISSPACE(CtrlStr[i]))) - if (SpaceFlag) { - if (CtrlStr[i++] == SPACE_CHAR) - fprintf(stderr, " "); - else - fprintf(stderr, " %c", CtrlStr[i - 1]); - SpaceFlag = FALSE; - } else if (CtrlStr[i++] == SPACE_CHAR) - fprintf(stderr, " "); - else - fprintf(stderr, "%c", CtrlStr[i - 1]); - while (!ISSPACE(CtrlStr[i]) && (i < (int)strlen(CtrlStr))) { - if (CtrlStr[i] == '*') - fprintf(stderr, "..."); - i++; /* Skip the rest of it. */ - } - break; - default: /* Not checked, but must be last one! */ - fprintf(stderr, " "); - while (!ISSPACE(CtrlStr[i]) && (i < (int)strlen(CtrlStr)) && - !ISCTRLCHAR(CtrlStr[i])) - fprintf(stderr, "%c", CtrlStr[i++]); - fprintf(stderr, "\n"); - return; - } - } - fprintf(stderr, "\n"); -} - -#ifdef MYMALLOC - -/*************************************************************************** - * My Routine to allocate dynamic memory. All program requests must call - * this routine (no direct call to malloc). Dies if no memory. - **************************************************************************/ -static char * -MyMalloc(unsigned size) { - - char *p; - - if ((p = (char *)malloc(size)) != NULL) - return p; - - fprintf(stderr, "Not enough memory, exit.\n"); - exit(2); - - return NULL; /* Makes warning silent. */ -} - -#endif /* MYMALLOC */ diff --git a/getarg.h b/getarg.h deleted file mode 100644 index 52c35d5..0000000 --- a/getarg.h +++ /dev/null @@ -1,28 +0,0 @@ -/*************************************************************************** - * Error numbers as returned by GAGetArg routine: - * - * Gershon Elber Mar 88 - *************************************************************************** - * History: - * 11 Mar 88 - Version 1.0 by Gershon Elber. - **************************************************************************/ - -#ifndef _GETARG_H -#define _GETARG_H - -#define CMD_ERR_NotAnOpt 1 /* None Option found. */ -#define CMD_ERR_NoSuchOpt 2 /* Undefined Option Found. */ -#define CMD_ERR_WildEmpty 3 /* Empty input for !*? seq. */ -#define CMD_ERR_NumRead 4 /* Failed on reading number. */ -#define CMD_ERR_AllSatis 5 /* Fail to satisfy (must-'!') option. */ - -#ifdef HAVE_STDARG_H -int GAGetArgs(int argc, char **argv, char *CtrlStr, ...); -#elif defined (HAVE_VARARGS_H) -int GAGetArgs(int va_alist, ...); -#endif /* HAVE_STDARG_H */ - -void GAPrintErrMsg(int Error); -void GAPrintHowTo(char *CtrlStr); - -#endif /* _GETARG_H */ diff --git a/gif_font.c b/gif_font.c deleted file mode 100644 index 6d23ddd..0000000 --- a/gif_font.c +++ /dev/null @@ -1,264 +0,0 @@ -/***************************************************************************** - * "Gif-Lib" - Yet another gif library. - * - * Written by: Gershon Elber IBM PC Ver 0.1, Jun. 1989 - ***************************************************************************** - * Utility font handling and simple drawing for the GIF library - ***************************************************************************** - * History: - * 17 Jun 89 - Version 1.0 by Gershon Elber. - * 25 Sep 92 - Draw functions added by Eric S. Raymond - ****************************************************************************/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#include -#include "gif_lib.h" - -/***************************************************************************** - * Ascii 8 by 8 regular font - only first 128 characters are supported. - ****************************************************************************/ - -/* - * Each array entry holds the bits for 8 horizontal scan lines, topmost - * first. The most significant bit of each constant is the leftmost bit of - * the scan line. - */ -unsigned char AsciiTable[][GIF_FONT_WIDTH] = { - {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /* Ascii 0 */ - {0x3c, 0x42, 0xa5, 0x81, 0xbd, 0x42, 0x3c, 0x00}, /* Ascii 1 */ - {0x3c, 0x7e, 0xdb, 0xff, 0xc3, 0x7e, 0x3c, 0x00}, /* Ascii 2 */ - {0x00, 0xee, 0xfe, 0xfe, 0x7c, 0x38, 0x10, 0x00}, /* Ascii 3 */ - {0x10, 0x38, 0x7c, 0xfe, 0x7c, 0x38, 0x10, 0x00}, /* Ascii 4 */ - {0x00, 0x3c, 0x18, 0xff, 0xff, 0x08, 0x18, 0x00}, /* Ascii 5 */ - {0x10, 0x38, 0x7c, 0xfe, 0xfe, 0x10, 0x38, 0x00}, /* Ascii 6 */ - {0x00, 0x00, 0x18, 0x3c, 0x18, 0x00, 0x00, 0x00}, /* Ascii 7 */ - {0xff, 0xff, 0xe7, 0xc3, 0xe7, 0xff, 0xff, 0xff}, /* Ascii 8 */ - {0x00, 0x3c, 0x42, 0x81, 0x81, 0x42, 0x3c, 0x00}, /* Ascii 9 */ - {0xff, 0xc3, 0xbd, 0x7e, 0x7e, 0xbd, 0xc3, 0xff}, /* Ascii 10 */ - {0x1f, 0x07, 0x0d, 0x7c, 0xc6, 0xc6, 0x7c, 0x00}, /* Ascii 11 */ - {0x00, 0x7e, 0xc3, 0xc3, 0x7e, 0x18, 0x7e, 0x18}, /* Ascii 12 */ - {0x04, 0x06, 0x07, 0x04, 0x04, 0xfc, 0xf8, 0x00}, /* Ascii 13 */ - {0x0c, 0x0a, 0x0d, 0x0b, 0xf9, 0xf9, 0x1f, 0x1f}, /* Ascii 14 */ - {0x00, 0x92, 0x7c, 0x44, 0xc6, 0x7c, 0x92, 0x00}, /* Ascii 15 */ - {0x00, 0x00, 0x60, 0x78, 0x7e, 0x78, 0x60, 0x00}, /* Ascii 16 */ - {0x00, 0x00, 0x06, 0x1e, 0x7e, 0x1e, 0x06, 0x00}, /* Ascii 17 */ - {0x18, 0x7e, 0x18, 0x18, 0x18, 0x18, 0x7e, 0x18}, /* Ascii 18 */ - {0x66, 0x66, 0x66, 0x66, 0x66, 0x00, 0x66, 0x00}, /* Ascii 19 */ - {0xff, 0xb6, 0x76, 0x36, 0x36, 0x36, 0x36, 0x00}, /* Ascii 20 */ - {0x7e, 0xc1, 0xdc, 0x22, 0x22, 0x1f, 0x83, 0x7e}, /* Ascii 21 */ - {0x00, 0x00, 0x00, 0x7e, 0x7e, 0x00, 0x00, 0x00}, /* Ascii 22 */ - {0x18, 0x7e, 0x18, 0x18, 0x7e, 0x18, 0x00, 0xff}, /* Ascii 23 */ - {0x18, 0x7e, 0x18, 0x18, 0x18, 0x18, 0x18, 0x00}, /* Ascii 24 */ - {0x18, 0x18, 0x18, 0x18, 0x18, 0x7e, 0x18, 0x00}, /* Ascii 25 */ - {0x00, 0x04, 0x06, 0xff, 0x06, 0x04, 0x00, 0x00}, /* Ascii 26 */ - {0x00, 0x20, 0x60, 0xff, 0x60, 0x20, 0x00, 0x00}, /* Ascii 27 */ - {0x00, 0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xff, 0x00}, /* Ascii 28 */ - {0x00, 0x24, 0x66, 0xff, 0x66, 0x24, 0x00, 0x00}, /* Ascii 29 */ - {0x00, 0x00, 0x10, 0x38, 0x7c, 0xfe, 0x00, 0x00}, /* Ascii 30 */ - {0x00, 0x00, 0x00, 0xfe, 0x7c, 0x38, 0x10, 0x00}, /* Ascii 31 */ - {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /* */ - {0x30, 0x30, 0x30, 0x30, 0x30, 0x00, 0x30, 0x00}, /* ! */ - {0x66, 0x66, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /* " */ - {0x6c, 0x6c, 0xfe, 0x6c, 0xfe, 0x6c, 0x6c, 0x00}, /* # */ - {0x10, 0x7c, 0xd2, 0x7c, 0x86, 0x7c, 0x10, 0x00}, /* $ */ - {0xf0, 0x96, 0xfc, 0x18, 0x3e, 0x72, 0xde, 0x00}, /* % */ - {0x30, 0x48, 0x30, 0x78, 0xce, 0xcc, 0x78, 0x00}, /* & */ - {0x0c, 0x0c, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00}, /* ' */ - {0x10, 0x60, 0xc0, 0xc0, 0xc0, 0x60, 0x10, 0x00}, /* ( */ - {0x10, 0x0c, 0x06, 0x06, 0x06, 0x0c, 0x10, 0x00}, /* ) */ - {0x00, 0x54, 0x38, 0xfe, 0x38, 0x54, 0x00, 0x00}, /* * */ - {0x00, 0x18, 0x18, 0x7e, 0x18, 0x18, 0x00, 0x00}, /* + */ - {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x70}, /* , */ - {0x00, 0x00, 0x00, 0x7e, 0x00, 0x00, 0x00, 0x00}, /* - */ - {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x00}, /* . */ - {0x02, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0, 0x00}, /* / */ - {0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00}, /* 0 */ - {0x18, 0x38, 0x78, 0x18, 0x18, 0x18, 0x3c, 0x00}, /* 1 */ - {0x7c, 0xc6, 0x06, 0x0c, 0x30, 0x60, 0xfe, 0x00}, /* 2 */ - {0x7c, 0xc6, 0x06, 0x3c, 0x06, 0xc6, 0x7c, 0x00}, /* 3 */ - {0x0e, 0x1e, 0x36, 0x66, 0xfe, 0x06, 0x06, 0x00}, /* 4 */ - {0xfe, 0xc0, 0xc0, 0xfc, 0x06, 0x06, 0xfc, 0x00}, /* 5 */ - {0x7c, 0xc6, 0xc0, 0xfc, 0xc6, 0xc6, 0x7c, 0x00}, /* 6 */ - {0xfe, 0x06, 0x0c, 0x18, 0x30, 0x60, 0x60, 0x00}, /* 7 */ - {0x7c, 0xc6, 0xc6, 0x7c, 0xc6, 0xc6, 0x7c, 0x00}, /* 8 */ - {0x7c, 0xc6, 0xc6, 0x7e, 0x06, 0xc6, 0x7c, 0x00}, /* 9 */ - {0x00, 0x30, 0x00, 0x00, 0x00, 0x30, 0x00, 0x00}, /* : */ - {0x00, 0x30, 0x00, 0x00, 0x00, 0x30, 0x20, 0x00}, /* }, */ - {0x00, 0x1c, 0x30, 0x60, 0x30, 0x1c, 0x00, 0x00}, /* < */ - {0x00, 0x00, 0x7e, 0x00, 0x7e, 0x00, 0x00, 0x00}, /* = */ - {0x00, 0x70, 0x18, 0x0c, 0x18, 0x70, 0x00, 0x00}, /* > */ - {0x7c, 0xc6, 0x0c, 0x18, 0x30, 0x00, 0x30, 0x00}, /* ? */ - {0x7c, 0x82, 0x9a, 0xaa, 0xaa, 0x9e, 0x7c, 0x00}, /* @ */ - {0x38, 0x6c, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0x00}, /* A */ - {0xfc, 0xc6, 0xc6, 0xfc, 0xc6, 0xc6, 0xfc, 0x00}, /* B */ - {0x7c, 0xc6, 0xc6, 0xc0, 0xc0, 0xc6, 0x7c, 0x00}, /* C */ - {0xf8, 0xcc, 0xc6, 0xc6, 0xc6, 0xcc, 0xf8, 0x00}, /* D */ - {0xfe, 0xc0, 0xc0, 0xfc, 0xc0, 0xc0, 0xfe, 0x00}, /* E */ - {0xfe, 0xc0, 0xc0, 0xfc, 0xc0, 0xc0, 0xc0, 0x00}, /* F */ - {0x7c, 0xc6, 0xc0, 0xce, 0xc6, 0xc6, 0x7e, 0x00}, /* G */ - {0xc6, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0xc6, 0x00}, /* H */ - {0x78, 0x30, 0x30, 0x30, 0x30, 0x30, 0x78, 0x00}, /* I */ - {0x1e, 0x06, 0x06, 0x06, 0xc6, 0xc6, 0x7c, 0x00}, /* J */ - {0xc6, 0xcc, 0xd8, 0xf0, 0xd8, 0xcc, 0xc6, 0x00}, /* K */ - {0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xfe, 0x00}, /* L */ - {0xc6, 0xee, 0xfe, 0xd6, 0xc6, 0xc6, 0xc6, 0x00}, /* M */ - {0xc6, 0xe6, 0xf6, 0xde, 0xce, 0xc6, 0xc6, 0x00}, /* N */ - {0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00}, /* O */ - {0xfc, 0xc6, 0xc6, 0xfc, 0xc0, 0xc0, 0xc0, 0x00}, /* P */ - {0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x06}, /* Q */ - {0xfc, 0xc6, 0xc6, 0xfc, 0xc6, 0xc6, 0xc6, 0x00}, /* R */ - {0x78, 0xcc, 0x60, 0x30, 0x18, 0xcc, 0x78, 0x00}, /* S */ - {0xfc, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x00}, /* T */ - {0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00}, /* U */ - {0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x6c, 0x38, 0x00}, /* V */ - {0xc6, 0xc6, 0xc6, 0xd6, 0xfe, 0xee, 0xc6, 0x00}, /* W */ - {0xc6, 0xc6, 0x6c, 0x38, 0x6c, 0xc6, 0xc6, 0x00}, /* X */ - {0xc3, 0xc3, 0x66, 0x3c, 0x18, 0x18, 0x18, 0x00}, /* Y */ - {0xfe, 0x0c, 0x18, 0x30, 0x60, 0xc0, 0xfe, 0x00}, /* Z */ - {0x3c, 0x30, 0x30, 0x30, 0x30, 0x30, 0x3c, 0x00}, /* [ */ - {0xc0, 0x60, 0x30, 0x18, 0x0c, 0x06, 0x03, 0x00}, /* \ */ - {0x3c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x3c, 0x00}, /* ] */ - {0x00, 0x38, 0x6c, 0xc6, 0x00, 0x00, 0x00, 0x00}, /* ^ */ - {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff}, /* _ */ - {0x30, 0x30, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00}, /* ` */ - {0x00, 0x00, 0x7c, 0x06, 0x7e, 0xc6, 0x7e, 0x00}, /* a */ - {0xc0, 0xc0, 0xfc, 0xc6, 0xc6, 0xe6, 0xdc, 0x00}, /* b */ - {0x00, 0x00, 0x7c, 0xc6, 0xc0, 0xc0, 0x7e, 0x00}, /* c */ - {0x06, 0x06, 0x7e, 0xc6, 0xc6, 0xce, 0x76, 0x00}, /* d */ - {0x00, 0x00, 0x7c, 0xc6, 0xfe, 0xc0, 0x7e, 0x00}, /* e */ - {0x1e, 0x30, 0x7c, 0x30, 0x30, 0x30, 0x30, 0x00}, /* f */ - {0x00, 0x00, 0x7e, 0xc6, 0xce, 0x76, 0x06, 0x7c}, /* g */ - {0xc0, 0xc0, 0xfc, 0xc6, 0xc6, 0xc6, 0xc6, 0x00}, /* */ - {0x18, 0x00, 0x38, 0x18, 0x18, 0x18, 0x3c, 0x00}, /* i */ - {0x18, 0x00, 0x38, 0x18, 0x18, 0x18, 0x18, 0xf0}, /* j */ - {0xc0, 0xc0, 0xcc, 0xd8, 0xf0, 0xd8, 0xcc, 0x00}, /* k */ - {0x38, 0x18, 0x18, 0x18, 0x18, 0x18, 0x3c, 0x00}, /* l */ - {0x00, 0x00, 0xcc, 0xfe, 0xd6, 0xc6, 0xc6, 0x00}, /* m */ - {0x00, 0x00, 0xfc, 0xc6, 0xc6, 0xc6, 0xc6, 0x00}, /* n */ - {0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0x7c, 0x00}, /* o */ - {0x00, 0x00, 0xfc, 0xc6, 0xc6, 0xe6, 0xdc, 0xc0}, /* p */ - {0x00, 0x00, 0x7e, 0xc6, 0xc6, 0xce, 0x76, 0x06}, /* q */ - {0x00, 0x00, 0x6e, 0x70, 0x60, 0x60, 0x60, 0x00}, /* r */ - {0x00, 0x00, 0x7c, 0xc0, 0x7c, 0x06, 0xfc, 0x00}, /* s */ - {0x30, 0x30, 0x7c, 0x30, 0x30, 0x30, 0x1c, 0x00}, /* t */ - {0x00, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0x7e, 0x00}, /* u */ - {0x00, 0x00, 0xc6, 0xc6, 0xc6, 0x6c, 0x38, 0x00}, /* v */ - {0x00, 0x00, 0xc6, 0xc6, 0xd6, 0xfe, 0x6c, 0x00}, /* w */ - {0x00, 0x00, 0xc6, 0x6c, 0x38, 0x6c, 0xc6, 0x00}, /* x */ - {0x00, 0x00, 0xc6, 0xc6, 0xce, 0x76, 0x06, 0x7c}, /* y */ - {0x00, 0x00, 0xfc, 0x18, 0x30, 0x60, 0xfc, 0x00}, /* z */ - {0x0e, 0x18, 0x18, 0x70, 0x18, 0x18, 0x0e, 0x00}, /* { */ - {0x18, 0x18, 0x18, 0x00, 0x18, 0x18, 0x18, 0x00}, /* | */ - {0xe0, 0x30, 0x30, 0x1c, 0x30, 0x30, 0xe0, 0x00}, /* } */ - {0x00, 0x00, 0x70, 0x9a, 0x0e, 0x00, 0x00, 0x00}, /* ~ */ - {0x00, 0x00, 0x18, 0x3c, 0x66, 0xff, 0x00, 0x00} /* Ascii 127 */ -}; - -void -DrawText(SavedImage * Image, - const int x, - const int y, - const char *legend, - const int color) { - - int i, j; - int base; - const char *cp; - - for (i = 0; i < GIF_FONT_HEIGHT; i++) { - base = Image->ImageDesc.Width * (y + i) + x; - - for (cp = legend; *cp; cp++) - for (j = 0; j < GIF_FONT_WIDTH; j++) { - if (AsciiTable[(short)(*cp)][i] & (1 << (GIF_FONT_WIDTH - j))) - Image->RasterBits[base] = color; - base++; - } - } -} - -void -DrawBox(SavedImage * Image, - const int x, - const int y, - const int w, - const int d, - const int color) { - - int j, base = Image->ImageDesc.Width * y + x; - - for (j = 0; j < w; j++) - Image->RasterBits[base + j] = - Image->RasterBits[base + (d * Image->ImageDesc.Width) + j] = color; - - for (j = 0; j < d; j++) - Image->RasterBits[base + j * Image->ImageDesc.Width] = - Image->RasterBits[base + j * Image->ImageDesc.Width + w] = color; -} - -void -DrawRectangle(SavedImage * Image, - const int x, - const int y, - const int w, - const int d, - const int color) { - - unsigned char *bp = Image->RasterBits + Image->ImageDesc.Width * y + x; - int i; - - for (i = 0; i < d; i++) - memset(bp + (i * Image->ImageDesc.Width), color, w); -} - -void -DrawBoxedText(SavedImage * Image, - const int x, - const int y, - const char *legend, - const int border, - const int bg, - const int fg) { - - int i, j = 0, LineCount = 0, TextWidth = 0; - const char *cp; - - /* compute size of text to box */ - for (cp = legend; *cp; cp++) - if (*cp == '\r') { - if (j > TextWidth) - TextWidth = j; - j = 0; - LineCount++; - } else if (*cp != '\t') - ++j; - LineCount++; /* count last line */ - if (j > TextWidth) /* last line might be longer than any previous */ - TextWidth = j; - - /* fill the box */ - DrawRectangle(Image, x + 1, y + 1, - border + TextWidth * GIF_FONT_WIDTH + border - 1, - border + LineCount * GIF_FONT_HEIGHT + border - 1, bg); - - /* draw the text */ - i = 0; - cp = strtok((char *)legend, "\r\n"); - do { - int leadspace = 0; - - if (cp[0] == '\t') - leadspace = (TextWidth - strlen(++cp)) / 2; - - DrawText(Image, x + border + (leadspace * GIF_FONT_WIDTH), - y + border + (GIF_FONT_HEIGHT * i++), cp, fg); - cp = strtok((char *)NULL, "\r\n"); - } while (cp); - - /* outline the box */ - DrawBox(Image, x, y, border + TextWidth * GIF_FONT_WIDTH + border, - border + LineCount * GIF_FONT_HEIGHT + border, fg); -} diff --git a/gif_hash.c b/gif_hash.c deleted file mode 100644 index 157569c..0000000 --- a/gif_hash.c +++ /dev/null @@ -1,160 +0,0 @@ -/***************************************************************************** -* "Gif-Lib" - Yet another gif library. * -* * -* Written by: Gershon Elber IBM PC Ver 0.1, Jun. 1989 * -****************************************************************************** -* Module to support the following operations: * -* * -* 1. InitHashTable - initialize hash table. * -* 2. ClearHashTable - clear the hash table to an empty state. * -* 2. InsertHashTable - insert one item into data structure. * -* 3. ExistsHashTable - test if item exists in data structure. * -* * -* This module is used to hash the GIF codes during encoding. * -****************************************************************************** -* History: * -* 14 Jun 89 - Version 1.0 by Gershon Elber. * -*****************************************************************************/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -/* Find a thirty-two bit int type */ -#ifdef HAVE_STDINT_H -#include -#endif -#ifdef HAVE_INTTYPES_H -#include -#endif -#ifdef HAVE_SYS_TYPES_H -#include -#endif -#ifdef HAVE_UNISTD_H -#include -#endif - -#ifdef __MSDOS__ -#include -#include -#include -#else -#include -#include -#endif /* __MSDOS__ */ - -#ifdef HAVE_FCNTL_H -#include -#endif /* HAVE_FCNTL_H */ -#include -#include -#include "gif_lib.h" -#include "gif_hash.h" -#include "gif_lib_private.h" - -/* #define DEBUG_HIT_RATE Debug number of misses per hash Insert/Exists. */ - -#ifdef DEBUG_HIT_RATE -static long NumberOfTests = 0, - NumberOfMisses = 0; -#endif /* DEBUG_HIT_RATE */ - -static int KeyItem(UINT32 Item); - -/****************************************************************************** -* Initialize HashTable - allocate the memory needed and clear it. * -******************************************************************************/ -GifHashTableType *_InitHashTable(void) -{ - GifHashTableType *HashTable; - - if ((HashTable = (GifHashTableType *) malloc(sizeof(GifHashTableType))) - == NULL) - return NULL; - - _ClearHashTable(HashTable); - - return HashTable; -} - -/****************************************************************************** -* Routine to clear the HashTable to an empty state. * -* This part is a little machine depended. Use the commented part otherwise. * -******************************************************************************/ -void _ClearHashTable(GifHashTableType *HashTable) -{ - memset(HashTable -> HTable, 0xFF, HT_SIZE * sizeof(UINT32)); -} - -/****************************************************************************** -* Routine to insert a new Item into the HashTable. The data is assumed to be * -* new one. * -******************************************************************************/ -void _InsertHashTable(GifHashTableType *HashTable, UINT32 Key, int Code) -{ - int HKey = KeyItem(Key); - UINT32 *HTable = HashTable -> HTable; - -#ifdef DEBUG_HIT_RATE - NumberOfTests++; - NumberOfMisses++; -#endif /* DEBUG_HIT_RATE */ - - while (HT_GET_KEY(HTable[HKey]) != 0xFFFFFL) { -#ifdef DEBUG_HIT_RATE - NumberOfMisses++; -#endif /* DEBUG_HIT_RATE */ - HKey = (HKey + 1) & HT_KEY_MASK; - } - HTable[HKey] = HT_PUT_KEY(Key) | HT_PUT_CODE(Code); -} - -/****************************************************************************** -* Routine to test if given Key exists in HashTable and if so returns its code * -* Returns the Code if key was found, -1 if not. * -******************************************************************************/ -int _ExistsHashTable(GifHashTableType *HashTable, UINT32 Key) -{ - int HKey = KeyItem(Key); - UINT32 *HTable = HashTable -> HTable, HTKey; - -#ifdef DEBUG_HIT_RATE - NumberOfTests++; - NumberOfMisses++; -#endif /* DEBUG_HIT_RATE */ - - while ((HTKey = HT_GET_KEY(HTable[HKey])) != 0xFFFFFL) { -#ifdef DEBUG_HIT_RATE - NumberOfMisses++; -#endif /* DEBUG_HIT_RATE */ - if (Key == HTKey) return HT_GET_CODE(HTable[HKey]); - HKey = (HKey + 1) & HT_KEY_MASK; - } - - return -1; -} - -/****************************************************************************** -* Routine to generate an HKey for the hashtable out of the given unique key. * -* The given Key is assumed to be 20 bits as follows: lower 8 bits are the * -* new postfix character, while the upper 12 bits are the prefix code. * -* Because the average hit ratio is only 2 (2 hash references per entry), * -* evaluating more complex keys (such as twin prime keys) does not worth it! * -******************************************************************************/ -static int KeyItem(UINT32 Item) -{ - return ((Item >> 12) ^ Item) & HT_KEY_MASK; -} - -#ifdef DEBUG_HIT_RATE -/****************************************************************************** -* Debugging routine to print the hit ratio - number of times the hash table * -* was tested per operation. This routine was used to test the KeyItem routine * -******************************************************************************/ -void HashTablePrintHitRatio(void) -{ - printf("Hash Table Hit Ratio is %ld/%ld = %ld%%.\n", - NumberOfMisses, NumberOfTests, - NumberOfMisses * 100 / NumberOfTests); -} -#endif /* DEBUG_HIT_RATE */ diff --git a/gif_lib.h b/gif_lib.h index 54acd91..f0cf858 100644 --- a/gif_lib.h +++ b/gif_lib.h @@ -312,7 +312,7 @@ extern unsigned char AsciiTable[][GIF_FONT_WIDTH]; #ifdef _WIN32 extern void DrawGifText(SavedImage * Image, #else - extern void DrawText(SavedImage * Image, + extern void DrawGifText(SavedImage * Image, #endif const int x, const int y, const char *legend, const int color); diff --git a/giflib-4.1.6/AUTHORS b/giflib-4.1.6/AUTHORS deleted file mode 100644 index 85f95ad..0000000 --- a/giflib-4.1.6/AUTHORS +++ /dev/null @@ -1,39 +0,0 @@ -Lennie Araki - Windows code providing a nicer interface and example program - -Michael Brown - callbacks to write data via user defined function - -Daniel Eisenbud - Fixes for crashes with invalid gif files and double freeing of - colormaps - -Gershon Elber - original giflib code - -Marc Ewing - spec file (for rpms) updates - -Toshio Kuratomi - uncompressed gif writing code - autoconf/automake process - current maintainer - -marek - Gif initialization fix - windows build code - -Peter Mehlitz - callbacks to read data from arbitrary sources (like libjpeg/libpng) - -Dick Porter - int/pointer fixes for Alpha - -Eric Raymond - long time former maintainer of giflib code - -Petter Reinholdtsen - Tru64 build fixs - -Georg Schwarz - IRIX fixes diff --git a/giflib-4.1.6/BUGS b/giflib-4.1.6/BUGS deleted file mode 100644 index feb30ea..0000000 --- a/giflib-4.1.6/BUGS +++ /dev/null @@ -1,2 +0,0 @@ -Please report BUGS to the bug tracker on sourceforge: -http://sourceforge.net/tracker/?group_id=102202 diff --git a/giflib-4.1.6/COPYING b/giflib-4.1.6/COPYING deleted file mode 100644 index b9c0b50..0000000 --- a/giflib-4.1.6/COPYING +++ /dev/null @@ -1,19 +0,0 @@ -The GIFLIB distribution is Copyright (c) 1997 Eric S. Raymond - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -THE SOFTWARE. diff --git a/giflib-4.1.6/ChangeLog b/giflib-4.1.6/ChangeLog deleted file mode 100644 index c491b20..0000000 --- a/giflib-4.1.6/ChangeLog +++ /dev/null @@ -1,661 +0,0 @@ -2007-11-10 14:50 abadger1999 - - * NEWS, configure.ac, lib/Makefile.am, lib/egif_lib.c, - lib/gif_hash.c: 4.1.6 update. Errors in including headers could - lead to build problems on some platforms. - -2007-11-10 13:16 abadger1999 - - * configure.ac: Bump release version in configure.ac. - -2007-11-10 13:15 abadger1999 - - * Makefile.am: Remove PATENT_PROBLEMS from build rules as well. - -2007-11-10 13:09 abadger1999 - - * NEWS, PATENT_PROBLEMS, lib/Makefile.am: Remove PATENT_PROBLEMS as - it's no longer covered. Update NEWS and Makefile.am for the new - release. - -2007-11-10 10:46 abadger1999 - - * configure.ac, util/gif2epsn.c, util/gif2iris.c, util/gif2ps.c, - util/gif2rgb.c, util/gif2rle.c, util/gif2x11.c: Find and fix - segfaults in the gif2* programs due to referencing the ColorMap - beforefinding out if hte GifFile produced a valid colormap or was - corrupt. - -2007-11-10 09:30 abadger1999 - - * lib/dgif_lib.c: Add checks to fail gracefully when corrupted - images are submitted that have improper LZ codes. - -2007-11-10 09:22 abadger1999 - - * lib/: dgif_lib.c, egif_lib.c: Further checks to compile correctly - on WIN32. - -2007-11-09 20:28 abadger1999 - - * util/giftext.c: Fix a SegFault when a GifFile does not store a - global colormap. - -2007-11-09 20:13 abadger1999 - - * util/gif2x11.c: Fix gif2x11 to work with modern, 24 bit displays. - -2007-11-09 14:18 abadger1999 - - * configure.ac: Check for headers as well as the libraries for rle, - X11, and gl_s. - -2007-11-09 13:24 abadger1999 - - * configure.ac: Merge better fix for finding an unsignd 32 bit - integer type. - -2007-11-09 13:01 abadger1999 - - * configure.ac: Add configure comman line switches to turn off X11, - rle, and gl support. - -2007-11-09 12:36 abadger1999 - - * configure.ac, util/Makefile.am: Fixes to build under cygwin. - -2007-11-09 11:49 abadger1999 - - * configure.ac: Make GCC check more robust. Add a needed automake - check. - -2007-11-09 11:48 abadger1999 - - * lib/dgif_lib.c: Fix closing file handles on failure in - DGifOpenFileHandle(). - -2007-11-09 11:33 abadger1999 - - * lib/egif_lib.c: Save files in binary mode for WIN32 as well as - MSDOS. - -2007-11-09 11:25 abadger1999 - - * lib/Makefile.ms: * Makefile for building under Visual C++ from - Bug #981209. - -2005-11-13 20:14 abadger1999 - - * configure.ac, lib/Makefile.am, util/Makefile.am: Changes to - conditionalize -Wall upon compiling with gcc. - -2005-11-06 08:45 abadger1999 - - * lib/: gif_hash.c, gif_hash.h: Add inttypes.h to the headers we - could include to get a 32-it int type. - -2005-11-06 08:34 abadger1999 - - * configure.ac: Search for ISO/ANSI definitions of uint32_t in - stdint.h _and_ inttypes.h before POSIX u_int32_t in sys/types.h - as some systems have sys/types.h without the definition. - Eventually we need to code a test that the expected UINT32 - definition exists in the header we select so order does not - matter. - -2005-11-06 08:32 abadger1999 - - * AUTHORS, README: Modify so that it no longer appears that esr - still maintains this package. - -= giflib-4.1.4 = - -2005-10-09 Toshio Kuratomi - r94 - * Sync with libungif r93. - * ChangeLog: Update to r92. - * NEWS: Update with combined libungif/giflib changes. - -2005-10-09 Toshio Kuratomi - r92 - * lib/gif_lib.h: Change GifPrefixType to unsigned. - -2005-10-09 Toshio Kuratomi - r91 - * ChangeLog: Update to r90. - * NEWS: Update on GBA and Windows fixes. - -2005-10-06 Toshio Kuratomi - r90 - Changes from Lennie Araki: - * gba/giftest.mak: Prefix the names of defines for the GBA build with _GBA. - * lib/dgif_lib.c, lib/gif_lib_private.h, lib/gif_err.c: - - When Compiling for Game Boy Advance, file functions are not needed so - exclude DGifOpenFileName(), DGifOpenFileHandle(), DGifSlurp(), and - PrintGifError(). - - On Game Boy Advance we need to reduce memory usage. Change values to - short int where appropriate. - * lib/gif_lib.h: - - Handle te GBA changes by defining GifPrefixType and GifWord to int - unless compiling on GBA. Then use unsigned short and short - respectively. - - Fix a problem with the API on _WIN32. DrawText conflicts with the - Windows API. Call it DrawGifText instead. - -2005-09-27 Toshio Kuratomi - r86 - * Sync with libungif r85. - -2005-09-27 Toshio Kuratomi - r82 - * AUTHORS: Add Daniel Eisenbud. Obscure email addresses. - * libungif.spec: Bump to version 4.1.4. - * configure.ac: Bump to 4.1.4. No longer check for ranlib. - * doc/lzgif.txt: Change dos line encoding to UNIX. - * lib/dgif_lib.c: (eisenbud) - - Set GifFile's ColorMaps to NULL when we free a colormap object. - - Detect some cases of corrupted GIFs which were crashing the library. - * lib/egif_lib.c: Set ColorMaps to NULL when we free a colormap object. - * lib/gifalloc.c: Set ColorMaps to NULL when we free a colormap object. - * lib/dev2gif.c: Fix redefinition problem on IRIX. - * NEWS: Update to 4.1.4 - * util/gifcomb.c: Set a olorMap to NULL. - -2004-07-11 Toshio Kuratomi - r79 - * gif2iris.c: Fixes from Georg Schwarz . - - stdlib.h is available and needs to be included on IRIX. - - ColorMapSize was being set from non-existent variables. - -2004-05-29 Toshio Kuratomi - r76 - * Sync with libungif-4.1.3. - -2004-05-29 Toshio Kuratomi - r74 - * ChangeLog, prop=lastlog: Sync with the subversion logs. - -2004-05-29 Toshio Kuratomi - r73 - * test-unx: Add a test of extension code. - * lib/egif_lib.c: Remove a debugging statement - -2004-05-29 Toshio Kuratomi - r72 - * Makefile.am, doc/Makefile.am, pic/Makefile.am: Change wildcarded entries - into explicit filenames so make distcheck will succeed. - -2004-05-29 Toshio Kuratomi - r71 - * ChangeLog, prop=lastlog: Sync the ChangeLog for the release. - -2004-05-29 Toshio Kuratomi - r70 - * AUTHORS: Add Lennie Araki to the list of contributers. - * windows: The windows subdirectory and all files under it are contributions - from Lennie Araki to provide a nice interface on MS Windows. - * README: Redundancy fix. - * doc/gif_lib.html: Add EGifPutExtension{First,Next,Last} to the documentation - so people know they should use it instead of EGifPutExtension. - * Makefile.am: Mark the windows files to be distributed. - * NEWS: Complete the NEWS item for 4.1.3. - -2004-05-29 Toshio Kuratomi - r69 - * libungif.spec: Some updates from the latest RedHat spec. - * configure.ac: Bump version to 4.1.3. - * lib/gifalloc.c: Add to my comments on ESR's note about Extension blocks. - * lib/egif_lib.c: - - EGifPutComment(): reimplemented using EGifPutExtensionFirst, Next, and - Last so that it won't break on unusually long comments. - - EGifPutExtension{First,Next,Last}: Changed fwrites to WRITE so any - user defined write function will get called properly. - - EGifPutExtensionLast: if the Extension block is empty (Zero length) - then don't attempt to output a last extension block, just output the - block terminator. - - EGifPutExtension: Comment that this function does not work when there - are multiple subblocks in an Extension block. Use the functions - EGifPutExtension{First,Next,Last} instead. - - EGifSpew: Reimplement to use EGifPutExtension{First,Next,Last} so we - don't output broken GIFs when there are multiple sub-blocks on an - extension. - * lib/Makefile.am: Bump version to 4.1.3. - * NEWS: Begin writing an entry for 4.1.3. - * util/icon2gif.c: Few casting fixes to make gcc -Wall happy. - * util/gif2ps.c: printf format string corrections. - -2004-05-26 Toshio Kuratomi - r67 - * Clean up some typos. - -2004-05-25 Toshio Kuratomi - r66 - * Sync with libungif-4.1.2. - -2004-03-03 Toshio Kuratomi - r64 - Last minute updates to the release notes in various files. - -2004-03-03 Toshio Kuratomi - r63 - * Set property lastlog to remind me when I last synced the ChangeLog - -2004-03-03 Toshio Kuratomi - r62 - * ChangeLog: Update - -2004-03-03 Toshio Kuratomi - r61 - * configure.ac: Bump version to 4.1.2 - -2004-02-22 Toshio Kuratomi - r59 - * configure.ac, lib/Makefile.am: Bump version. Forgot to do this for 4.1.1... - -2004-02-22 Toshio Kuratomi - r58 - * TODO: Take out -Wall as that's all ready now. - -2004-02-22 Toshio Kuratomi - r57 - Merge changes to the code from branch indent-audit r55 - * README: MakeExtension deprecation note. - * TODO: Bunch of things I need to fix or check that I saw while doing the - indentation of the code. - * lib/getarg.h: indent changes - * lib/dgif_lib.c: indent changes - - Move stdlib.h out of #ifdef's as it's included on all platforms. - - Add checks to be sure malloc and MakeMapObject succeed. - * lib/quantize.c: indent changes - - Move stdlib.h out of #ifdef's as it's included on all platforms. - - _GifError already pulled in through gif_lib_private.h. Remove decl. - - Make Count in NewColorMapType be unsigned. - - Separated mallocs from conditionals in a few places. Easier reading. - * lib/gifalloc.c: indent changes - - Added four FIXME's where I think the code might not be doing what we - want. Need to do more research to figure out. - - Add note to MakeExtension that I think it needs to be deprecated. - - Separated mallocs from conditionals in a few places. Easier reading. - - FreeLastSavedImage: New private function to free the last image in a - GifFile structure. Used to back out when unable to completely - allocate a new SavedImage structure. - - check for NULL values before deallocating in Free* functions and make - sure all Free* functions set the pointer to NULL after they deallocate - the memory. - * lib/egif_lib.c: indent changes - - EGifPutScreenDesc: If we have no colormap, output a default value for - its size instead of trying to reference its unallocated BitsPerPixel - field. (Fixes bug noted in r46) - * lib/gif_lib.h: indent changes - - Condense the #else #if VARARGS to #elif VARARGS check. - * lib/qprintf.c: indent changes - - Condense the #else #if VARARGS to #elif VARARGS check. - * lib/dev2gif.c: indent changes - * lib/getarg.c: indent changes - * lib/gif_lib_private.h: indent changes - * lib/gif_font.c: indent changes - * lib/gif_err.c: indent changes - -2004-02-22 Toshio Kuratomi - r56 - * lib/Makefile.am, util/Makefile.am: Add -Wall to the compilation flags so - we can keep the code from acquiring too much bad style. - -2004-02-20 Toshio Kuratomi - r46 - * egif_lib.c: Note for a bug fix (Can wait until after indent because - there's no patch.) - * gif_lib.h, dev2gif.c: Change int type to explicit long type in - DumpScreen2Gif. - * util/gifinto.c: Give the fprintf back its %d format. - GifFile->ImageCount is used as the Image number. - -2004-02-20 Toshio Kuratomi - r45 - * README: add varargs to the deprecation list - -2004-02-20 Toshio Kuratomi - r44 - * test-unx: Quote the program names. - * lib/dgif_lib.c: - - Make sure memory was allocated for the colormap - - Some reformatting of code but no syntactic changes. - * lib/gif_lib.h: - - C++ extern "C" fix - - Fix typo with EGifOpen - * lib/qprintf.c, lib/getarg.c: Update the varargs code. Some users reported - that not all systems can handle the hybridized varargs parameter lists - we had. Need to use old-style declarations instead. - -2004-02-20 Toshio Kuratomi - r43 - * NEWS: Note bugfixes and deprecations - * README: Deprecation list is now being compiled in this file. - * TODO: Notes about interlace bug, -Wall status, merging of old bug status - -2004-02-19 Toshio Kuratomi - r42 - * Makefile.am: Disable testing for now because gif2x11 is broken so none - of the tests _appear_ to complete successfully. - -2004-02-19 Toshio Kuratomi - r38 - Merge -Wall fixes from branches/Wall-audit r29 - * configure.ac: - - Make the stdarg vs varargs check simpler by relying on - AC_CHECK_HEADERS() magic. - - Check for unistd.h - * dgif_lib.c, gif_lib.h, egif_lib.c, gifalloc.c, quantize.c, dev2gif.c, - getarg.c, gif_lib_private.h, gif_font.c gif_err.c, gifinto.c, icon2gif.c, - raw2gif.c, gifcolor.c, gifasm.c, gif2epsn.c, gif2iris.c, gifrotat.c, - gifovly.c, gif2x11.c, rle2gif.c, gif2rle.c, text2gif.c, gifspnge.c, - gifclrmp.c, giffiltr.c, giftext.c, gifinfo.c, rgb2gif.c, gif2rgb.c, gif2ps.c - - Changes to get rid of -Wall compile warnings. - + Casting of types - + New header includes for unistd.h and fcntl.h - + Explicit declaration of many types to unsigned - + Removed unused variables and functions - + Removed VersionStr from every library file. Instead include it via - gif_lib_private.h - * gif_lib.h, gif_lib_private.h: Moved the VersionStr into gif_lib_private.h - and made it a #define instead of a static char *. - -2004-02-19 Toshio Kuratomi - r37 - Deprecation notes - -2004-02-19 Toshio Kuratomi - r36 - Add notes about security things to do and giflib syncing - -2004-02-18 Toshio Kuratomi - r32 - * TODO: Add notes about how to go about syncing Wall-audit and indent changes - into giflib. It won't be pretty. - * svn:ignore: Change the tarball names from libungif to giflib - -2004-02-18 Toshio Kuratomi - r31 - Add config.h include to gif_hash.c - -2004-02-17 Toshio Kuratomi - r30 - Sync up with libungif 4.1.1 - -2004-02-17 Toshio Kuratomi - r26 - Updated ChangeLog - -2004-02-17 Toshio Kuratomi - * Updated libungif.spec to look more like fedora core spec - * Updated version numbers in all files - -2004-02-17 Toshio Kuratomi - * Add the libungif*.tar.bz2 distribution tarball to the ignored files - * configure.ac, lib/getarg.c, lib/getarg.h, lib/gif_lib.h, lib/qprintf.c: - Prefer stdarg.h over vararg.h - * TODO: Add information about functions that will go away in 5.0 - (In reality, I don't think new software uses libungif, so there may never - be a 5.0 release.) - * lib/gif_lib.h: Change version from 4.0 to 4.1 - * NEWS: add deprecation warning for the qprintf stuff: GifQuietPrint var and - GifQprintf function. - -2004-02-16 Toshio Kuratomi - * util/gif2iris.c, util/gif2rle.c, util/gifinfo.c: Fix problems with fprintf error statements in the utils - -2004-02-16 Toshio Kuratomi - Add DEVELOPERS file to the distribution. - -2004-02-16 Toshio Kuratomi - * AUTHORS, libungif.spec, libungif.lsm, README, BUGS, NEWS: - Lots of changes to my email address and the website/download. (libungif is - moving to sourceforge.) - * TODO: Few notes on cleanups that need to happen. State what needs to be done - for 4.1.1 to be released. - -2004-02-15 Toshio Kuratomi - Changes imported from last cvs checkout - * TODO: note to check return of malloc everywhere - * lib/dgif_lib.c, lib/egif_lib.c: Fix some deallocation bugs - * lib/gifalloc.c: Fix a colormap allocation problem - * lib/gif_font.c: Fix to drawing text - -2004-02-15 Toshio Kuratomi - Added libgetarg.a to the ignore list. - -2004-02-15 Toshio Kuratomi - Changes to the build infrastructure to build under current libtool, automake, - and libtool. - * configure.in: renamed to configure.ac - * acconfig.h: deleted. Functionality moved into the configure.ac - * autogen.sh: now runs libtoolize --automake - * lib/Makefile.am, util/Makefile.am: CFLAGS=>AM_CFLAGS; INCLUDES=>AM_CPPFLAGS - * configure.ac: - - initialization macros for automake and autoconf have changed - - removed checks for C++ compiler and Awk - - acconfig.h functionality moved here. - - add other X11 libraries to the X11_LIB define - -2004-02-15 Toshio Kuratomi - * Remove INSTALL file as it's autogenerated.\n* Add stamp-h1 to ignored files - -2004-02-15 Toshio Kuratomi - Additional adds and deletes to make version 4.1.0b1 - -2004-02-15 Toshio Kuratomi - Import of version 4.1.0b1 - -2004-02-15 Toshio Kuratomi - r10 - Import giflib 4.1.0 - -2004-02-15 Toshio Kuratomi - r9 - Copy the 4.1.0 libungif release to be the base of the 4.1.0 giflib release. - -2004-02-15 Toshio Kuratomi - r7 - Release 4.1.0 - -2004-02-15 Toshio Kuratomi - r6 - Import of version 4.1.0 - -2004-02-15 Toshio Kuratomi - r5 - Set ignore patterns on the project directories. - -2004-02-15 Toshio Kuratomi - r3 - Remove a Makefile.in that was left in in the first commit. - -2004-02-14 Toshio Kuratomi - r2 - Commit revision 3.1.0 to subversion - -2004-02-14 Toshio Kuratomi - r1 - Initial SVN Repository Layout - -2000 6 Feb Toshio Kuratomi - * configure.in: Change to using config.h - - Every .c file: Change to using config.h. - * configure.in: added check for varargs header. - * lib/getarg.c: Changed the ifdef USE_VARARGS to ifdef HAVE_VARARGS_H. - - lib/getarg.h: Ditto. - - lib/gif_lib.h: Ditto. - - lib/qprintf.h: Ditto. - -2000 6 Feb Toshio Kuratomi - * lib/getarg.h: Prepend an underscore to the header file define. - * lib/gif_lib.h: Ditto - * lib/gif_lib_private.h: Ditto - * lib/getarg.c: ifdef'd MyMalloc so it actually won't define if it already - is. - -2000 3 Feb Toshio Kuratomi - * A new cvs repository based my private tree from home. It now goes back - to giflib-3.0. - * Updated the cvs repository to make multiple developers possible. - * Merge all of Michael's patches into the distribution. - * DEVELOPER: Updated to reflect the new versions of - autoconf/automake/libtool we're using. - * libungif.spec: Updated a few things from the latest redhat spec file. - -1999 5 Dec Toshio Kuratomi - * Update links to the web pages as I have reorganized them somewhat. - * Add the welcome2.gif to the pic directory and a test that utilizes - it to test-unx. - -1999 17 Nov Toshio Kuratomi - * New cvs Repository. Hopefully I've got everything that was in the - old one. This one is available on anonymous cvs. - * Update to libtool 1.3.3, automake 1.4, and autoconf 2.13 - -1999 23 May Michael R Brown - * Lots of 'const' qualifiers added, thanks Alexis - Wilke for finding these. - -1999 22 Mar Michael R Brown - * util/gif2x11.c: Patch by (who?) to fix lots of memory leeks. - * util/*.c: - lib/dgif_lib.c: - Makefile.in: - Patch by David Kaelbling to compile on IRIX 6.x. Basically fixing - lots of bad/missing parameter passing to printf, scanf and similar. - * Added pics/welcome2.gif, from Peter Merz which provokes a bug prior - to patch 19990224 to do with colour map management. There is still - a problem with util/gifspnge processing this image, so it will not - be added to test-unx yet. - -1999 05 Mar Michael R Brown - * lib/getarg.c: Lines 107 and 189 - Added ifdef's to use stdarg when available. On dec-alpha the - default code was causing programs to crash, probably because - it assumes a stack that grows-up. - -1999 24 Feb Michael R Brown - * lib/dgif_lib.c: Lines 363 and 367 - Bug reported by Steve Sanders, where &'s where causing the - memcpy to overwrite the pointers. Fixed by removing the &'s - so that memcpy overwrote the memory pointed to. - -1999 09 Feb Toshio Kuratomi - * Release 4.1.0 - -1999 09 Feb Toshio Kuratomi - * Merge libungif changes into the giflib tree: - - upgrade to libtool 1.2b - - util/Makefile.am: Minor change to allow compilation outside the - source_dir. - - lib/egif_lib.c: FILE_STATE_WRITE, FILE_STATE_SCREEN, - FILE_STATE_IMAGE, IS_WRITEABLE are now in gif_lib_private.h - - lib/dgif_lib.c: FILE_STATE_READ and IS_READABLE are now in - gif_lib_private.h - - lib/gif_lib_private.h: Above mentioned constants and macros are now - here. FILE_STATE_READ is now 0x08 instead of 0x00. - - configure.in: Update version to 4.1.0 - - lib/Makefile.am: Update libtool version to 5:0:1 (libtool) - - giflib.spec: Update for version 4.1.0 (Add libungif-4.1 - compatibility stuff and change version.) - - giflib.lsm: Update for version 4.1.0 - - lib/egif_lib.c: (WRITE) change from a function to a macro. - - lib/dgif_lib.c: (DGifOpenFileName) close FileHandle on error. - - lib/dgif_lib.c: (DGifOpenFileHandle) make sure the FILE stream is - closed if we hit an error. - - lib/dev2gif.c, lib/quantize.c, lib/gif_err.c, lib/gif_lib_private.h: - Reflect Eric's copyright notice rather than Gershon's - -1999 14 Jan Michael R Brown - * lib/gif_lib.h: Add OutputFunc type - * lib/gif_lib.h: Add EGifOpen for user supplied output function - * lib/egif_lib.c: (EGifOpenFileName) Fixed wasted memory when an - error occurs in EGifOpenFileHandle - * lib/egif_lib.c: Add EGifOpen, WRITE, and lots of changes to - support user supplied output function. Basically changing - all fwrite's to WRITE, and then all of the knock on effects. - -1998 17 Dec Toshio Kuratomi - * configure.in: Change references to libungif to giflib. - * libungif.lsm: Rename to giflib.lsm and change to reflect giflib - rather than libungif. - * libungif.spec: Rename to giflib.spec and change to reflect giflib - rather than libungif. - * UNCOMPRESSED_GIF: Removed from this branch. - * PATENT_PROBLEMS: Add file explaining Unisys's patent claims. - * Makefile.am: Replace libungif with giflib. - * README: Adapted language to giflib. - * lib/Makefile.am: Changed references to libungif to libgif. - * util/Makefile.am: Changed references to libungif to libgif. - -1998 17 Dec Toshio Kuratomi - * lib/egif_lib.c: Merge LZW stuff into this branch of the library. - This includes numerous changes to initialize the hash table as well - as the code forthe encoder. - * lib/gif_hash.c: Functions needed for the LZW encoder. - * lib/gif_hash.h: Functions needed for the LZW encoder. - * lib/Makefile.am: Add gif_hash.c gif_hash.h to the list of sources. - -1998 15 Dec Toshio Kuratomi - * lib/dgif_lib.c: (DGifSlurp) Fix a Seg Fault when an image contains - no extension blocks. - -1998 14 Dec Toshio Kuratomi - * configure.in: Update version to 4.0 - * lib/Makefile.am: Update libtool version to 4:0:0 (libtool) - * libungif.spec: Update for version 4.0 (not binary compatible with - giflib, change version.) - * lib/gif_lib_private.h: (PrivateType) New header for common stuff - private to the library. Currently, this is only the Private struct. - * lib/dgif_lib.c: (PrivateType) Extract the Private struct to - gif_lib_private.h - * lib/egif_lib.c: (PrivateType) Extract the Private struct to - gif_lib_private.h - * lib/Makefile.am: Add gif_lib_private.h to the list of source files. - * lib/gif_lib.h: (ExtensionBlock) Add a Function entry to the - ExtensionBlock record. Note that this is not entirely correct: - the GifLib ExtensionBlock structure is actually a data sub-block - record. By adding the function entry here, we are pushing the - ExtensionBlockType in with the DataSubBlock. - Sometime in the future, we need to change the API to have true - ExtensionBlocks which have DataSubBlocks belonging to them. - * lib/gif_lib.h: (ExtensionBlock) Deprecate the use of Function in - the SavedImage struct. Use ExtensionBlock's Function instead. - * lib/egif_lib.c: (EGifSpew) Changes to use the new Function variable. - * lib/dgif_lib.c: (DGifSlurp) Changes to put data into the new - Function variable. - -1998 3 Dec Toshio Kuratomi - * lib/dgif_lib.c: (DGifSlurp) Three changes: - - No longer allocate SaveImage in this function. All allocations - of SaveImage take place in DGifGetImageDesc. - - Extension blocks are now associated with the Image Block that is - read in subsequent to them, not before. This should now be - conformant to the gif89a specification. - - Fix an off-by-one error when copying extension data from structure - to structure. - * lib/dgif_lib.c: (DGifGetImageDesc) Change the function to do its own - allocation of space for the SavedImage structure no matter what. - * lib/egif_lib.c: (EGifSpew) The function now spits out - ExtensionBlocks before the associated Image Block to conform with - the gif89a specification. - * lib/egif_lib.c: (EGifOpenFileHandle) Move the write of the - GifVersion (gif87a or gif89a) from this function into - EGifPutScreenDesc so that it can be controlled by EGifSpew. Note - that this is still a hack as the GifVersion write doesn't really - belong in either of these functions. - * lib/egif_lib.c: (EGifPutScreenDesc) Moved writing the version - (gif87a or gif89a) into the file into this function from - EGifOpenFileHandle. - * test-unx: Now test the extension code. - * pic/x-trans.gif: New image with Comments and transparency to test - the extension code with. - -1998 29 Nov Toshio Kuratomi - * lib/dgif_lib.c: (DGifSlurp) Fix a few of the minor bugs plaguing - this function. At this point, the function should no longer cause - a Seg Fault. It is now losing all extension data however. I know - how to hack a fix in, but I need to commit these changes first. - * lib/dgif_lib.c: (DGifGetImageDesc) Fix my bug fix: the colormap is - now only copied if it exists :-). - -1998 10 Nov Toshio Kuratomi - * test-unx: Add a test for DGifSlurp and EGifSpew - -1998 14 Oct Toshio Kuratomi - * lib/dgif_lib.c: (DGifGetImageDesc) Fix a bug where the Colormap for - the image description and the SaveImage were pointers to the same - structure, causing a SegV when DGifClosing the file. - -1998 9 Oct Toshio Kuratomi - * lib/dgif_lib.c: (DGifSlurp) memory for the extensions was not being - allocated. Now I call AddExtensionBlock when I add an extension to - the structure. Additionally, fix a memory leak here. - * configure.in, NEWS, lib/Makefile.am: Update to version 3.1.1 - * ltmain.sh, ltconfig: removed from the cvs repository - * BUGS: add the BUGS file to list unresolved BUGS. - -1998 9 Sep Toshio Kuratomi - * libungif.spec: Fix wrong version in %files and %install section. - -1998 8 Sep Toshio Kuratomi - * lib/gif_hash.c, lib/gif_hash.h: Removed these because a hash table - is not needed to create uncompressed gifs. - * lib/egif_lib.c: Remove all references to the hash functions. - * lib/Makefile.am: Remove gif_hash.c gif_hash.h from the source files. - * libungif.lsm: added this file - -1998 7 Sep Toshio Kuratomi - * lib/dgif_lib.c, lib/gif_lib.h: (DGifOpen) Add callback to read gif - image through user supplied function (Peter Mehlitz). - -1998 6 Sep Toshio Kuratomi - * util/*.{gif.rle}: removed files that were left by my testing - process and shouldn't have been in the distribution. - * UNCOMPRESSED_GIF: add section on why software that can decode - LZW compressed gifs (but not write them) is legal. - * .cvsignore: added .cvsignore files to ignore Makefiles and other - generated files in my cvs repository. - * Makefile.am's: Fixes to allow the dist* family of targets to work - correctly. Preliminary support for make check as well. - * configure.in: Update version to 3.1.0 - * lib/Makefile.am: Update libtool version to 4:0:1 libtool) - * libungif-3.0.spec: Update from Marc Ewing. - * Add int/pointer Alpha fixes from Dick Porter to many source files. diff --git a/giflib-4.1.6/DEVELOPERS b/giflib-4.1.6/DEVELOPERS deleted file mode 100644 index 4cfac10..0000000 --- a/giflib-4.1.6/DEVELOPERS +++ /dev/null @@ -1,29 +0,0 @@ -Things to tell developers of libungif.... - -======= -Build Tools: -libungif presently uses autoconf, automake, and libtool in order to build -shared libraries for a wide variety of platforms. The distributed tarball has -files prebuilt from these tools. The cvs repository does not. If you want to -build libungif you will need to have these tools available. I currently run -with the following versions: -autoconf 2.57 -automake 1.7.8 -libtool 1.5 - -(P.S. I use the autogen.sh script in the top level directory to generate -configure, Makefile.in, etc using these tools.) - -======= -cvs: -I currently do my work in a subversion repository. Since sourceforge is still -using cvs and not subversion, there's nothing in the sourceforge tree. - -If someone else wants to do development we can definitely talk about the best -way to share version control access. - -======= -I create the distribution tar ball by using the `make dist` command.... After -hacking all I want, I check my sources into cvs, checkout a clean tree, run -./autogen.sh; make dist and then attempt to compile from the libungif-*.tar.gz -file that is generated. diff --git a/giflib-4.1.6/INSTALL b/giflib-4.1.6/INSTALL deleted file mode 100644 index 5458714..0000000 --- a/giflib-4.1.6/INSTALL +++ /dev/null @@ -1,234 +0,0 @@ -Installation Instructions -************************* - -Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2004, 2005, -2006 Free Software Foundation, Inc. - -This file is free documentation; the Free Software Foundation gives -unlimited permission to copy, distribute and modify it. - -Basic Installation -================== - -Briefly, the shell commands `./configure; make; make install' should -configure, build, and install this package. The following -more-detailed instructions are generic; see the `README' file for -instructions specific to this package. - - The `configure' shell script attempts to guess correct values for -various system-dependent variables used during compilation. It uses -those values to create a `Makefile' in each directory of the package. -It may also create one or more `.h' files containing system-dependent -definitions. Finally, it creates a shell script `config.status' that -you can run in the future to recreate the current configuration, and a -file `config.log' containing compiler output (useful mainly for -debugging `configure'). - - It can also use an optional file (typically called `config.cache' -and enabled with `--cache-file=config.cache' or simply `-C') that saves -the results of its tests to speed up reconfiguring. Caching is -disabled by default to prevent problems with accidental use of stale -cache files. - - If you need to do unusual things to compile the package, please try -to figure out how `configure' could check whether to do them, and mail -diffs or instructions to the address given in the `README' so they can -be considered for the next release. If you are using the cache, and at -some point `config.cache' contains results you don't want to keep, you -may remove or edit it. - - The file `configure.ac' (or `configure.in') is used to create -`configure' by a program called `autoconf'. You need `configure.ac' if -you want to change it or regenerate `configure' using a newer version -of `autoconf'. - -The simplest way to compile this package is: - - 1. `cd' to the directory containing the package's source code and type - `./configure' to configure the package for your system. - - Running `configure' might take a while. While running, it prints - some messages telling which features it is checking for. - - 2. Type `make' to compile the package. - - 3. Optionally, type `make check' to run any self-tests that come with - the package. - - 4. Type `make install' to install the programs and any data files and - documentation. - - 5. You can remove the program binaries and object files from the - source code directory by typing `make clean'. To also remove the - files that `configure' created (so you can compile the package for - a different kind of computer), type `make distclean'. There is - also a `make maintainer-clean' target, but that is intended mainly - for the package's developers. If you use it, you may have to get - all sorts of other programs in order to regenerate files that came - with the distribution. - -Compilers and Options -===================== - -Some systems require unusual options for compilation or linking that the -`configure' script does not know about. Run `./configure --help' for -details on some of the pertinent environment variables. - - You can give `configure' initial values for configuration parameters -by setting variables in the command line or in the environment. Here -is an example: - - ./configure CC=c99 CFLAGS=-g LIBS=-lposix - - *Note Defining Variables::, for more details. - -Compiling For Multiple Architectures -==================================== - -You can compile the package for more than one kind of computer at the -same time, by placing the object files for each architecture in their -own directory. To do this, you can use GNU `make'. `cd' to the -directory where you want the object files and executables to go and run -the `configure' script. `configure' automatically checks for the -source code in the directory that `configure' is in and in `..'. - - With a non-GNU `make', it is safer to compile the package for one -architecture at a time in the source code directory. After you have -installed the package for one architecture, use `make distclean' before -reconfiguring for another architecture. - -Installation Names -================== - -By default, `make install' installs the package's commands under -`/usr/local/bin', include files under `/usr/local/include', etc. You -can specify an installation prefix other than `/usr/local' by giving -`configure' the option `--prefix=PREFIX'. - - You can specify separate installation prefixes for -architecture-specific files and architecture-independent files. If you -pass the option `--exec-prefix=PREFIX' to `configure', the package uses -PREFIX as the prefix for installing programs and libraries. -Documentation and other data files still use the regular prefix. - - In addition, if you use an unusual directory layout you can give -options like `--bindir=DIR' to specify different values for particular -kinds of files. Run `configure --help' for a list of the directories -you can set and what kinds of files go in them. - - If the package supports it, you can cause programs to be installed -with an extra prefix or suffix on their names by giving `configure' the -option `--program-prefix=PREFIX' or `--program-suffix=SUFFIX'. - -Optional Features -================= - -Some packages pay attention to `--enable-FEATURE' options to -`configure', where FEATURE indicates an optional part of the package. -They may also pay attention to `--with-PACKAGE' options, where PACKAGE -is something like `gnu-as' or `x' (for the X Window System). The -`README' should mention any `--enable-' and `--with-' options that the -package recognizes. - - For packages that use the X Window System, `configure' can usually -find the X include and library files automatically, but if it doesn't, -you can use the `configure' options `--x-includes=DIR' and -`--x-libraries=DIR' to specify their locations. - -Specifying the System Type -========================== - -There may be some features `configure' cannot figure out automatically, -but needs to determine by the type of machine the package will run on. -Usually, assuming the package is built to be run on the _same_ -architectures, `configure' can figure that out, but if it prints a -message saying it cannot guess the machine type, give it the -`--build=TYPE' option. TYPE can either be a short name for the system -type, such as `sun4', or a canonical name which has the form: - - CPU-COMPANY-SYSTEM - -where SYSTEM can have one of these forms: - - OS KERNEL-OS - - See the file `config.sub' for the possible values of each field. If -`config.sub' isn't included in this package, then this package doesn't -need to know the machine type. - - If you are _building_ compiler tools for cross-compiling, you should -use the option `--target=TYPE' to select the type of system they will -produce code for. - - If you want to _use_ a cross compiler, that generates code for a -platform different from the build platform, you should specify the -"host" platform (i.e., that on which the generated programs will -eventually be run) with `--host=TYPE'. - -Sharing Defaults -================ - -If you want to set default values for `configure' scripts to share, you -can create a site shell script called `config.site' that gives default -values for variables like `CC', `cache_file', and `prefix'. -`configure' looks for `PREFIX/share/config.site' if it exists, then -`PREFIX/etc/config.site' if it exists. Or, you can set the -`CONFIG_SITE' environment variable to the location of the site script. -A warning: not all `configure' scripts look for a site script. - -Defining Variables -================== - -Variables not defined in a site shell script can be set in the -environment passed to `configure'. However, some packages may run -configure again during the build, and the customized values of these -variables may be lost. In order to avoid this problem, you should set -them in the `configure' command line, using `VAR=value'. For example: - - ./configure CC=/usr/local2/bin/gcc - -causes the specified `gcc' to be used as the C compiler (unless it is -overridden in the site shell script). - -Unfortunately, this technique does not work for `CONFIG_SHELL' due to -an Autoconf bug. Until the bug is fixed you can use this workaround: - - CONFIG_SHELL=/bin/bash /bin/bash ./configure CONFIG_SHELL=/bin/bash - -`configure' Invocation -====================== - -`configure' recognizes the following options to control how it operates. - -`--help' -`-h' - Print a summary of the options to `configure', and exit. - -`--version' -`-V' - Print the version of Autoconf used to generate the `configure' - script, and exit. - -`--cache-file=FILE' - Enable the cache: use and save the results of the tests in FILE, - traditionally `config.cache'. FILE defaults to `/dev/null' to - disable caching. - -`--config-cache' -`-C' - Alias for `--cache-file=config.cache'. - -`--quiet' -`--silent' -`-q' - Do not print messages saying which checks are being made. To - suppress all normal output, redirect it to `/dev/null' (any error - messages will still be shown). - -`--srcdir=DIR' - Look for the package's source code in directory DIR. Usually - `configure' can determine that directory automatically. - -`configure' also accepts some other, not widely useful, options. Run -`configure --help' for more details. - diff --git a/giflib-4.1.6/Makefile.am b/giflib-4.1.6/Makefile.am deleted file mode 100644 index 23a12ff..0000000 --- a/giflib-4.1.6/Makefile.am +++ /dev/null @@ -1,32 +0,0 @@ -SUBDIRS = lib util doc pic -WINDOWS = $(top_srcdir)/windows/GifWin.cpp \ - $(top_srcdir)/windows/GifWin.h \ - $(top_srcdir)/windows/StdAfx.h \ - $(top_srcdir)/windows/gifshow.cpp \ - $(top_srcdir)/windows/gifshow.dsp \ - $(top_srcdir)/windows/gifshow.dsw \ - $(top_srcdir)/windows/gifshow.h \ - $(top_srcdir)/windows/gifshow.ico \ - $(top_srcdir)/windows/gifshow.rc \ - $(top_srcdir)/windows/libungif.dsp \ - $(top_srcdir)/windows/resource.h - -GAMEBOYADVANCE = $(top_srcdir)/gba/giftest.c \ - $(top_srcdir)/gba/giftest.dsp \ - $(top_srcdir)/gba/giftest.mak \ - $(top_srcdir)/gba/res/cover.gif \ - $(top_srcdir)/gba/res/porsche-240x160.gif \ - $(top_srcdir)/gba/res/x-trans.gif - -EXTRA_DIST = Makefile.unx \ - ONEWS \ - autogen.sh \ - giflib.spec \ - test-unx \ - giflib.lsm \ - TODO \ - BUGS \ - DEVELOPERS \ - $(WINDOWS) \ - $(GAMEBOYADVANCE) -#TESTS=test-unx diff --git a/giflib-4.1.6/Makefile.in b/giflib-4.1.6/Makefile.in deleted file mode 100644 index 5d17378..0000000 --- a/giflib-4.1.6/Makefile.in +++ /dev/null @@ -1,675 +0,0 @@ -# Makefile.in generated by automake 1.10 from Makefile.am. -# @configure_input@ - -# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, -# 2003, 2004, 2005, 2006 Free Software Foundation, Inc. -# This Makefile.in is free software; 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make static shared - cd util; make all - -install: - cd lib; make install-lib - cd util; make install-all - -uninstall: - cd lib; make uninstall-lib - cd util; make uninstall-all - -clean: - cd lib; make clean - cd util; make clean - rm -f giflib-$(VERSION)-1.i386.rpm giflib-$(VERSION)-1.src.rpm \ - giflib-$(VERSION).tar.gz core giflib.lsm - -giflib-$(VERSION).tar: - (cd ..; tar cvf giflib-$(VERSION)/giflib-$(VERSION).tar `cat giflib-$(VERSION)/MANIFEST | sed "/\(^\| \)/s// giflib-$(VERSION)\//g"`) -giflib-$(VERSION).tar.gz: giflib-$(VERSION).tar - gzip -f giflib-$(VERSION).tar - -dist: Makefile - make giflib-$(VERSION).tar.gz - lsmgen.sh $(VERSION) `wc -c giflib-$(VERSION).tar.gz` >giflib.lsm - make giflib-$(VERSION).tar.gz - ls -l giflib-$(VERSION).tar.gz - @echo "Don't forget to build RPMs from root!" - -SHAROPTS = -l63 -n giflib -o giflib -a -s esr@snark.thyrsus.com -giflib-$(VERSION).shar: - (cd ..; shar $(SHAROPTS) `cat MANIFEST | sed "/\(^\| \)/s// bs-$(VERSION)\//g"`) - -# You need to be root to make this work -RPMROOT=/usr/src/redhat -RPM = rpm -RPMFLAGS = -ba -srcdir = . -rpm: dist - cp giflib-$(VERSION).tar.gz $(RPMROOT)/SOURCES; - $(srcdir)/specgen.sh $(VERSION) >$(RPMROOT)/SPECS/giflib.spec - cd $(RPMROOT)/SPECS; $(RPM) $(RPMFLAGS) giflib.spec - cp $(RPMROOT)/RPMS/`arch|sed 's/i[4-9]86/i386/'`/giflib-$(VERSION)*.rpm $(srcdir) - cp $(RPMROOT)/SRPMS/giflib-$(VERSION)*.src.rpm $(srcdir) diff --git a/giflib-4.1.6/NEWS b/giflib-4.1.6/NEWS deleted file mode 100644 index 5b74633..0000000 --- a/giflib-4.1.6/NEWS +++ /dev/null @@ -1,159 +0,0 @@ -Version 4.1.6 -============= -Brown paper bag release. Fix a problem with header inclusion that could -prevent the library from building on some platforms. - -Version 4.1.5 -============= -This version has some important fixes for segfaults when working with corrupt -files. All users are strongly encouraged to upgrade. - -Code Fixes ----------- -* Fix segfault in utilities due to referencing ColorMaps in GifFiles that had - no ColorMap present. -* Fix gif2x11 to work on 24 bit displays. -* Fix for giftext segfault when the GifFile does not store a global colormap. -* Checks to fail gracefully when an image contains improper LZ codes. -* Close file handles on failure in DGifOpenFileHandle() -* Checks to operate on files in binary mode on WIN32 as well as MSDOS. - -Building --------- -* Add checks to make building on Win32 easier. -* Allow turning off gl_s, rle, and X11 support from the configure command line. -* Fix for finding a 32 bit integer type on some platforms. -* Only enable -Wall if we're using gcc. - -Version 4.1.4 -============= -This version fixes some bugs with deallocating ColorMaps. Fix building on -several platforms. Fix x86_64 builds to not hang the encoder. - -* Fix several areas in decoding where we removed a ColorMap from our GifFile - but didn't set the pointer to NULL. This could lead to double free's of - the ColorMap. -* Fix a bug in dev2gif.c where we redefined some gl types incorrectly. -* Fix a bug in the gif LZW encoder that was triggered on modern 64 bit - platforms. -* Fix building on Windows. Note -- there has been one API changing event for - Windows (renaming DrawText to DrawGifText.) This should have conflicted with - Windows API and therefore caused the builds to fail previously. If you had - it working with DrawText before, apologies, you'll need to change to - DrawGifText in your code. This only affects Windows. -* Add support for building on The Game Boy Advance. Note: Due to the GBA's - limited memory, the API for the GBA uses short's in many places where the - other platforms use ints. This shouldn't affect anyone unless you've - been able to get an older version of the code to run on GBA and want to - start using this version instead. A recompile of your dependent code - will be necessary in this case. - -Version 4.1.3 -============= -This version fixes some bugs in the Extension writing code in -EGifPutExtensionFirst, Next, and Last. Using these functions, it is possible -to output extensions that contain multiple subblocks. Additionally, library -code has been updated to use these functions, making it safe to output -long Comments, and multi-block extensions read in from another file. - -* giflib is now hosted on sourceforge with libungif: - http://sourceforge.net/projects/libungif -* Make the EGifPutExtension{First,Next,Last} family of functions use WRITE - so user defined WRITE methods will output them correctly. -* Modify EGifSpew and EGifPutComment to use EGifPutExtension{First,Next,Last} - so we won't output broken GIFs when dealing with GIFs with multiple - subblocks. -* More -Wall fixes revealed while testing on Solaris and FreeBSD. -* Updated the gif_lib.html documentation to not use EGifPutExtension when - dealing with multiple subblocks. Use EGifPutExtension{First,Next,Last} - instead. -* Some Windows code from the old CVS repository now available in the windows - subdirectory. I don't have a Windows environment to test and maintain this - but maybe someone out there will find it useful. Caveat hacker. - -Version 4.1.2 -=============== -* Numerous bug fixes from people on the old libungif mailing list. -* GIF_ERROR and GIF_MESSAGE are on the deprecation list as they are also - utility helper functions rather than essential to the functioning of the - library. -* Complete deprecation list is now in the README file -* Audited the sources with gcc -Wall. Everything detectable has now been fixed. -* Ran the library code through indent. - -Version 4.1.1 -============= -* Merge in many bug fixes that were sent in while I was hiking the - Appalachian Trail. -* The qprintf methods of the library are now deprecated. Do not use - GifQuietPrint or GifQprintf. These should have been pushed out into the - utility helper library instead of sitting around in the library proper at - the same time as the getarg functions were moved out. Getting rid of these - will let us get rid of our dependence on stdarg.h/varargs.h (Which a Gif - reading library has no business requiring.) - -Version 4.1.0 -============ -* Several minor memory leaks in error conditions have been plugged. -* New Function EGifOpen(void *userData, OutputFunc writeFunc) allows user - specified gif writing functions. -* Old copyright notices in a few source files have been updated. All library - copyrights should now reflect the copyright notice in the COPYING file. - -Version 4.0.0 -- giflib -======================= -This version of the giflib library merges Eric Raymond's giflib-3.0 release -with the libungif-4.0 release to give people a binary compatible choice -between the two libraries and gives me the chance to add bugfixes to giflib -that have been incorporated in libungif. - -PLEASE READ THE FILE PATENT_PROBLEMS BEFORE USING THIS LIBRARY! - -Version 4.0.0 -============= -Major fixes have been made to the code that handles Extensions. -Unfortunately, this causes binary incompatibility with giflib-3.0 and -libungif-3.x. However, the API is still intact. I am, however, deprecating -the use of saveImage[x].Function. Use -saveImage[x].ExtensionBlocks[y].Function instead. - -Version 3.1.1 -============= - The following bugs which caused SegFaults have been fixed: - * When reading gif files with extensions, DGifSlurp would violate memory. - * When closing a gif that had a local colormap, DGifCloseFile would attempt - to free the colormap twice. - * Fix a potential memory leak in DGifSlurp. -The following enhancements have been made: - * New function DGifOpen to allow specifying a user definable gif reading - function. - -Version 3.1.0 -============= - * Add a new function: - GifFileType *DGifOpen(void * userData, InputFunc readFunc) - to read the gif image from a user defined input function. - * A few bugfixes. - -Version 3.0 -=========== -Changes from Eric Raymond's libgif: - * A new gif encoder that makes uncompressed gifs rather than standard, - LZW-compressed gifs. This is actually the major motivating factor behind - libungif; to provide third-party distributors a means to provide a gif - library without the patented LZW encoder. - - * A new configure script to make compilation of the library on multiple - platforms easier. The package should now build shared libraries on all - platforms supported by GNU libtool. - - * Removed the getarg functions from libgif. These were not part of the - public API and only used by the tools in the utils directory so I separated - them from the rest of the library. - - * Fixed a few bugs in the tools in the utils directory. - -======== -Changes predating libungif 3.0 (news in the original libgif, in other words.) -is in ONEWS - diff --git a/giflib-4.1.6/ONEWS b/giflib-4.1.6/ONEWS deleted file mode 100644 index 7cbcf16..0000000 --- a/giflib-4.1.6/ONEWS +++ /dev/null @@ -1,133 +0,0 @@ -Note: to change the version, you have to hack both Makefile and lib/Makefile. - -Version 3.0: ------------- - -New features: -* Incorporated Sirtaj Kang's changes to make both static and shared libs. -* All the utility and library docs are HTML now. -* The library and relevant utilities are now fully GIF89-aware. -* Functions for drawing text and boxes on saved images are documented. -* The distribution is now issued under a simple X-Consortium-style license. -* Can now generate package RPMs and LSM automatically. -* Home page with Web-acessible documentation at http://www.ccil.org/~esr/giflib - -Bug fixes: -* Fix giftext to not core dump on a null extension record. -* Incorporate Philip VanBaren's change to prevent a core dump in gifasm. - -Version 2.3: -------------- -1. Fixed a core-dump bug in gifcomb revealed by the ELF environment in Linux - 1.2.13. - -Version 2.2b: ------------- -1. Added gifburst tool. - -Version 2.2 ------------ -1. Linux is supported. - -Version 2.1 ------------ -1. Added the gifovly tool, which supports making a composite from several GIF - images. - -2. Used gifovly to implement a full-fledged pasteup program in shell. It's - called gifcompose and lives in the util directory. - -3. Added a copy of the GIF89 standard to the doc directory (gif89.txt); - also a description of the preferred compression method (lzgif.txt). - -Version 2.0 ------------ - With this version, development was taken over from Gershon Elber by Eric -S. Raymond . Note that I, esr, have pretty much -adhered to Gershon's coding style, even though it's quite baroque and DOS- -headed by my standards. - -Library Improvements - -1. New DGifSlurp() and EGifSpew() library entry points allow all GIF-bashing - to be done in core on machines with sufficient memory. Writing code to - slice'n'dice multiple GIFs in non-sequential ways is now much easier (send - kudos and brickbats to esr, small unmarked bills preferred). - -2. The interface has changed somewhat. Members in the GifFileType structure - have been renamed and regrouped. This was required for support of the - SavedImages member (which enables the new functions mentioned in 1). Also, - there is a new data type for allocated color maps and routines to handle - it conveniently. - -3. Some minor bugs have been fixed. Most notably, the DGif code now correctly - handles the possibility of more than one code block per extension record, - as per the GIF spec. It's not clear, however, that anyone ever has or - ever will use this feature for anything... - -New Tools and Options - -4. A brand new, ultra-spiffy tool `icon2gif' is included. It assembles named - GIFs with editable text color map & icon raster representations to produce - multi-image GIFs usable as graphical resource files. It can also dump most - GIFs in the same text-only form it parses. This makes it easy to edit GIFs - even if you don't have a graphics editor. - -5. The gifclip utility supports a new `-c' (complement) option that allows you - to perform an `inverse clip', removing horizontal or vertical bands from an - image. - -6. The gifclrmp utility supports a new `-t' switch for shuffling color index - values. - -7. A new tool `gifcolor' generates test pattern from colormap input. - -New Documentation and Examples - -8. The documentation has been overhauled completely and translated out of the - dialect spoken by the estimable Mr. Elber into something like standard - English :-). - -9. Two source code files gifspnge.c and giffiltr.c have been added to the - util directory. These are GIF copiers that exercise the I/O routines, - provided as skeletons for your applications. Read the comments in them - for more info. - -10. The util Makefile for UNIX has been improved. It now uses the cc/gcc -s - option rather than strip(1). There are now separate install productions, - so you can test new versions in util before installation for production - (the top-level make script still does an install). - - -Version 1.2 ------------ -1. GIFFIX - a new tool to attempt and fix broken GIF images. Currently fix - images that has EOF prematurely by padding with the darkest color. -2. Make GIF2BGI display as much as it can considering the mem. avail. -3. Add -q flag to all tools for quite running scan line number mode. -4. Fix a (minor!?) bug in the GIF decoder when encountering code 4095. -5. New tools (RGB2GIF and GIF2RGB) to convert GIF to/from 24 bits RGB images. -6. New tool GIFROTAT to rotate a gif image by an arbitrary angle. -7. GifRSize was updated to resize by an arbitrary factor. - -Version 1.1 ------------ -1. GIF2BGI - a new utility to display GIF images using Borland's BGI drivers - (if you have one...) -2. TEXT2GIF - Converts plain text into GIF images. -3. GIF2IRIS - SGI4D display program for GIF images. -4. GIF_LIB naming convension has been modified to make sure it has unique - names (see gif_lib.h). -5. Support for SGI4D gl and X11 window grabbing has been added to the - library. SGI4D input is quantizied into 8 bits. - Also support for EGA/VGA devices has been added as well. - see Dev2gif.c module. -6. Support for the new gif89a format has been added. - -Enjoy, - -Gershon Elber -gershon@cs.utah.edu - -Eric S. Raymond -esr@snark.thyrsus.com diff --git a/giflib-4.1.6/README b/giflib-4.1.6/README deleted file mode 100644 index 3602f60..0000000 --- a/giflib-4.1.6/README +++ /dev/null @@ -1,47 +0,0 @@ -This is giflib version 4.1.2, a library for manipulating gif files. -Latest versions of giflib are currently hosted at: - http://sourceforge.net/projects/libungif - -==== -Building this package should be as simple as: - - ./configure - gmake - gmake install - -==== -Deprecation list. Will be removed in giflib 5.0: -* GIF_ERROR and GIF_MESSAGE are on the deprecation list as they are also - utility helper functions rather than essential to the functioning of the - library. -* The qprintf methods of the library are now deprecated. Do not use - GifQuietPrint or GifQprintf. These should have been pushed out into the - utility helper library instead of sitting around in the library proper at - the same time as the getarg functions were moved out. Getting rid of these - will let us get rid of our dependence on stdarg.h/varargs.h (Which a Gif - reading library has no business requiring.) -* In the SavedImage struct: int Function will be removed. Use - SavedImage.ExtensionBlocks[x].Function instead. -* In gifalloc.c: MakeExtension is deprecated as well. Use AddExtensionBlock - instead. (This and the previous int Function were deprecated because they - only handle one Extension per image. The new code handles multiple - extensions.) -* varargs style interface in qprintf and getarg: It's a mistake to have two - different interfaces that depend on compile time choices between varargs - and stdargs. The future is to get rid of varargs style altogether. - (Also: these are probably going strictly into the utility functions so - the library won't have to worry about them at all.) -==== - -I have found that automake currently generates Makefile's containing some -GNUmake specific syntax. If you're having troubles building with your -system provided make, please install GNU make and try rebuilding. - -==== -This package uses autoconf, automake, and libtool to create the configure -script, so if you need to edit the configure.ac or change a makefile target -you should read the DEVELOPER file for hints on recreating the distribution -using these tools. - -Good luck! --Toshio Kuratomi diff --git a/giflib-4.1.6/TODO b/giflib-4.1.6/TODO deleted file mode 100644 index 780739c..0000000 --- a/giflib-4.1.6/TODO +++ /dev/null @@ -1,140 +0,0 @@ -Edit utils to get rid of use of all deprecated Functions. -- icon2gif has MakeExtension - -Check how the library uses MakeExtension and AddExtensionBlock. I have the -vague impression that the library currently requires a two step process: -MakeExtension adds the Function type to deprecated: SavedImage->Function. -Then, AddExtensionBlock must be called to add it to SavedImage->ExtensionBlock -(The Function type is passed in via the SavedImage->Function so that's why we -have to do that step first. Need to untangle those functions.) -- Why do we have so many colormaps? GifFile->SColorMap is the screen - descriptor colormap. - GifFile->Image.ColorMap ? - GifFile->SavedImages[x].ColorMap = Local colormap - -- Also check how we push the Extensions out to a gif file. We should never -touch SavedImage->Function when we write to file. All information is saved in -the ExtensionBlock. - -EGifPutExtension*/DGifGetExtension* needs to be looked at. Why is there a -First, Next, Last, and generic version of these functions? Does the -application programmer really need to know all this? Shouldn't the library -take care of it? Also, they should use WRITE rather than fwrite directly to -output the data. - -Make sure we set pointers that we don't fill to NULL. (gifalloc.c seems -pretty clean. But GifFile isn't allocated in gifalloc.c) - -I found a reported bug about libungif not handling interlaced images -correctly. However, the latest library seems to work. Need to figure out -what change fixed it and if it fixed it correctly or in a manner that is -apt to break later. - -Make sure tmpnam is secure in gifinto.c (Use mkstemp if possible..) - -Audit for sprintf => snprintf - -# Make sure all malloc calls check their return value. -Still need to check dev2gif.c (Know there's problems there) -dgif_lib.c -egif_lib.c - -Merge the windows changes from the last cvs version. Contact Lennie Araki -about whether he is interested in maintaining the windows changes - -Run the utils through indent - -Make sure the backlog is really all merged and then delete things from there. -Some is in my mailbox at home. Others were on the old CVS server. I think -most of the CVS backlog has been merged but I've just started ot look at -the stuff at home. - -Start thinking about function naming and standardizing things. The MakeXXX, -FreeXXX is a good step, but should things operate on GifFiles or the interior -data structures? What about the functions in the rest of the library? -Should I be able to (MakeGifFileType(), FreeGifFileType(GifFile *) just like -MakeMapObject?) - -Start thinking about namespacing all our code! This will break so many things -in simple ways. Need to deprecate so we can do this in 5.0 - -Release 4.1.3 - -sync giflib - -======= - -Theoretical release 5.0 - -Move utilities into a separate package. - - Move GIF_ERROR and GIF_MESSAGE from gif_lib.h into getarg. - - Move qprintf into getarg - - Rename getarg utilsupport.a and move to the util directory. - -Now that we have sourceforge hosting, look into putting documentation and a -website onto sourceforge. Don't know how much stuff I want to sync into this, -though, as I keep hoping gif's will take their last gasp and die. (Why do we -need gif now that we have png and mng?) - -====== - -Besides fixing bugs, what's really needed is for someone to work out how to -calculate a colormap for writing gifs from rgb sources. Right now, an rgb -source that has only two colors (b/w) is being converted into an 8 bit gif.... -Which is horrendously wasteful without compression. - -Any volunteers? - -======= -The Present Extension code is pretty hacky. It looks like giflib's ability to -do Extension code was added on at a later time and also was not implemented -entirely in conformance with the gif89a spec. I've hacked it further to make -it conform to the spec, but it would benefit greatly from a complete rewrite. - -If there is ever a version-5.0 of this library (with API level changes), this -should definitely be one of the areas that gets worked on. - -======= -Documentation needs updating to reflect additions to the API. This would best -be done with auto-extraction from the SOURCES.... - -======= -[UPDATE at bottom] -Here's a change to the library code that has been proposed: Pulling known -extensions (comment blocks, etc) out of the Extensions array and putting them -in actual places within the GifType structure so application programmers don't -have to search through the Extension array for them. - -I'm not sure how I want to implemement this yet -- Actually removing them from -the extension array would break the API compatibility with libungif. Making -copies would waste resources needlessly. Making convenience links with the -idea of deprecating the access of the extension block directly for standard -features would be okay, but creates extra work in the long run -- really we -need to put the convenience links into the current Extension array. - -We have to decide where in the structure each extension belongs, generalize -the AddExtensionBlock function to be able to add the extensionblock to any -area of the structure, rework the gif writing code to place the structures -where they belong, rework the code writing to the Extension Array so that it -can handle links as well as blocks. - -And on the other hand, it could turn out that putting extensions into the main -structure is not intuitive to everyone. Extensions are "extensions" and -people may want to look for them grouped together.... I suppose this could -either mean leaving everything in the extension array, or creating a new -extension field that has the extensions dangling off of it (comment, gifanim -stuff, unknown, etc.) This is okay except that it'd be best to have real -copies of the extension in the fields instead of links (so that we could make -arrays rather than arrays of pointers.) - -[UPDATE:1998 3 Dec] -After reading through the gif89a specification, I'm not sure this is all that -great. It seems that each image in a gif stream needs to have separate -extension blocks. This means that an animated gif will have a Graphics -Extension Block for each Image in the animation. Linking this up to the -GifFileType is wrong. 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But MiNT is downward compatible to TOS, so this should - # be no problem. - atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*) - echo m68k-atari-mint${UNAME_RELEASE} - exit ;; - atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*) - echo m68k-atari-mint${UNAME_RELEASE} - exit ;; - *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*) - echo m68k-atari-mint${UNAME_RELEASE} - exit ;; - milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*) - echo m68k-milan-mint${UNAME_RELEASE} - exit ;; - hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*) - echo m68k-hades-mint${UNAME_RELEASE} - exit ;; - *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*) - echo m68k-unknown-mint${UNAME_RELEASE} - exit ;; - m68k:machten:*:*) - echo m68k-apple-machten${UNAME_RELEASE} - exit ;; - powerpc:machten:*:*) - echo powerpc-apple-machten${UNAME_RELEASE} - exit ;; - RISC*:Mach:*:*) - echo mips-dec-mach_bsd4.3 - exit ;; - RISC*:ULTRIX:*:*) - echo mips-dec-ultrix${UNAME_RELEASE} - exit ;; - VAX*:ULTRIX*:*:*) - echo vax-dec-ultrix${UNAME_RELEASE} - exit ;; - 2020:CLIX:*:* | 2430:CLIX:*:*) - echo clipper-intergraph-clix${UNAME_RELEASE} - exit ;; - mips:*:*:UMIPS | mips:*:*:RISCos) - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c -#ifdef __cplusplus -#include /* for printf() prototype */ - int main (int argc, char *argv[]) { -#else - int main (argc, argv) int argc; char *argv[]; { -#endif - #if defined (host_mips) && defined (MIPSEB) - #if defined (SYSTYPE_SYSV) - printf ("mips-mips-riscos%ssysv\n", argv[1]); exit (0); - #endif - #if defined (SYSTYPE_SVR4) - printf ("mips-mips-riscos%ssvr4\n", argv[1]); exit (0); - #endif - #if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD) - printf ("mips-mips-riscos%sbsd\n", argv[1]); exit (0); - #endif - #endif - exit (-1); - } -EOF - $CC_FOR_BUILD -o $dummy $dummy.c && - dummyarg=`echo "${UNAME_RELEASE}" | sed -n 's/\([0-9]*\).*/\1/p'` && - SYSTEM_NAME=`$dummy $dummyarg` && - { echo "$SYSTEM_NAME"; exit; } - echo mips-mips-riscos${UNAME_RELEASE} - exit ;; - Motorola:PowerMAX_OS:*:*) - echo powerpc-motorola-powermax - exit ;; - Motorola:*:4.3:PL8-*) - echo powerpc-harris-powermax - exit ;; - Night_Hawk:*:*:PowerMAX_OS | Synergy:PowerMAX_OS:*:*) - echo powerpc-harris-powermax - exit ;; - Night_Hawk:Power_UNIX:*:*) - echo powerpc-harris-powerunix - exit ;; - m88k:CX/UX:7*:*) - echo m88k-harris-cxux7 - exit ;; - m88k:*:4*:R4*) - echo m88k-motorola-sysv4 - exit ;; - m88k:*:3*:R3*) - echo m88k-motorola-sysv3 - exit ;; - AViiON:dgux:*:*) - # DG/UX returns AViiON for all architectures - UNAME_PROCESSOR=`/usr/bin/uname -p` - if [ $UNAME_PROCESSOR = mc88100 ] || [ $UNAME_PROCESSOR = mc88110 ] - then - if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx ] || \ - [ ${TARGET_BINARY_INTERFACE}x = x ] - then - echo m88k-dg-dgux${UNAME_RELEASE} - else - echo m88k-dg-dguxbcs${UNAME_RELEASE} - fi - else - echo i586-dg-dgux${UNAME_RELEASE} - fi - exit ;; - M88*:DolphinOS:*:*) # DolphinOS (SVR3) - echo m88k-dolphin-sysv3 - exit ;; - M88*:*:R3*:*) - # Delta 88k system running SVR3 - echo m88k-motorola-sysv3 - exit ;; - XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3) - echo m88k-tektronix-sysv3 - exit ;; - Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD) - echo m68k-tektronix-bsd - exit ;; - *:IRIX*:*:*) - echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'` - exit ;; - ????????:AIX?:[12].1:2) # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX. - echo romp-ibm-aix # uname -m gives an 8 hex-code CPU id - exit ;; # Note that: echo "'`uname -s`'" gives 'AIX ' - i*86:AIX:*:*) - echo i386-ibm-aix - exit ;; - ia64:AIX:*:*) - if [ -x /usr/bin/oslevel ] ; then - IBM_REV=`/usr/bin/oslevel` - else - IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} - fi - echo ${UNAME_MACHINE}-ibm-aix${IBM_REV} - exit ;; - *:AIX:2:3) - if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - #include - - main() - { - if (!__power_pc()) - exit(1); - puts("powerpc-ibm-aix3.2.5"); - exit(0); - } -EOF - if $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` - then - echo "$SYSTEM_NAME" - else - echo rs6000-ibm-aix3.2.5 - fi - elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then - echo rs6000-ibm-aix3.2.4 - else - echo rs6000-ibm-aix3.2 - fi - exit ;; - *:AIX:*:[45]) - IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'` - if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then - IBM_ARCH=rs6000 - else - IBM_ARCH=powerpc - fi - if [ -x /usr/bin/oslevel ] ; then - IBM_REV=`/usr/bin/oslevel` - else - IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} - fi - echo ${IBM_ARCH}-ibm-aix${IBM_REV} - exit ;; - *:AIX:*:*) - echo rs6000-ibm-aix - exit ;; - ibmrt:4.4BSD:*|romp-ibm:BSD:*) - echo romp-ibm-bsd4.4 - exit ;; - ibmrt:*BSD:*|romp-ibm:BSD:*) # covers RT/PC BSD and - echo romp-ibm-bsd${UNAME_RELEASE} # 4.3 with uname added to - exit ;; # report: romp-ibm BSD 4.3 - *:BOSX:*:*) - echo rs6000-bull-bosx - exit ;; - DPX/2?00:B.O.S.:*:*) - echo m68k-bull-sysv3 - exit ;; - 9000/[34]??:4.3bsd:1.*:*) - echo m68k-hp-bsd - exit ;; - hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*) - echo m68k-hp-bsd4.4 - exit ;; - 9000/[34678]??:HP-UX:*:*) - HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` - case "${UNAME_MACHINE}" in - 9000/31? ) HP_ARCH=m68000 ;; - 9000/[34]?? ) HP_ARCH=m68k ;; - 9000/[678][0-9][0-9]) - if [ -x /usr/bin/getconf ]; then - sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null` - sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null` - case "${sc_cpu_version}" in - 523) HP_ARCH="hppa1.0" ;; # CPU_PA_RISC1_0 - 528) HP_ARCH="hppa1.1" ;; # CPU_PA_RISC1_1 - 532) # CPU_PA_RISC2_0 - case "${sc_kernel_bits}" in - 32) HP_ARCH="hppa2.0n" ;; - 64) HP_ARCH="hppa2.0w" ;; - '') HP_ARCH="hppa2.0" ;; # HP-UX 10.20 - esac ;; - esac - fi - if [ "${HP_ARCH}" = "" ]; then - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - - #define _HPUX_SOURCE - #include - #include - - int main () - { - #if defined(_SC_KERNEL_BITS) - long bits = sysconf(_SC_KERNEL_BITS); - #endif - long cpu = sysconf (_SC_CPU_VERSION); - - switch (cpu) - { - case CPU_PA_RISC1_0: puts ("hppa1.0"); break; - case CPU_PA_RISC1_1: puts ("hppa1.1"); break; - case CPU_PA_RISC2_0: - #if defined(_SC_KERNEL_BITS) - switch (bits) - { - case 64: puts ("hppa2.0w"); break; - case 32: puts ("hppa2.0n"); break; - default: puts ("hppa2.0"); break; - } break; - #else /* !defined(_SC_KERNEL_BITS) */ - puts ("hppa2.0"); break; - #endif - default: puts ("hppa1.0"); break; - } - exit (0); - } -EOF - (CCOPTS= $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy` - test -z "$HP_ARCH" && HP_ARCH=hppa - fi ;; - esac - if [ ${HP_ARCH} = "hppa2.0w" ] - then - eval $set_cc_for_build - - # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating - # 32-bit code. hppa64-hp-hpux* has the same kernel and a compiler - # generating 64-bit code. GNU and HP use different nomenclature: - # - # $ CC_FOR_BUILD=cc ./config.guess - # => hppa2.0w-hp-hpux11.23 - # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess - # => hppa64-hp-hpux11.23 - - if echo __LP64__ | (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | - grep __LP64__ >/dev/null - then - HP_ARCH="hppa2.0w" - else - HP_ARCH="hppa64" - fi - fi - echo ${HP_ARCH}-hp-hpux${HPUX_REV} - exit ;; - ia64:HP-UX:*:*) - HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` - echo ia64-hp-hpux${HPUX_REV} - exit ;; - 3050*:HI-UX:*:*) - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - #include - int - main () - { - long cpu = sysconf (_SC_CPU_VERSION); - /* The order matters, because CPU_IS_HP_MC68K erroneously returns - true for CPU_PA_RISC1_0. CPU_IS_PA_RISC returns correct - results, however. */ - if (CPU_IS_PA_RISC (cpu)) - { - switch (cpu) - { - case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break; - case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break; - case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break; - default: puts ("hppa-hitachi-hiuxwe2"); break; - } - } - else if (CPU_IS_HP_MC68K (cpu)) - puts ("m68k-hitachi-hiuxwe2"); - else puts ("unknown-hitachi-hiuxwe2"); - exit (0); - } -EOF - $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` && - { echo "$SYSTEM_NAME"; exit; } - echo unknown-hitachi-hiuxwe2 - exit ;; - 9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* ) - echo hppa1.1-hp-bsd - exit ;; - 9000/8??:4.3bsd:*:*) - echo hppa1.0-hp-bsd - exit ;; - *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*) - echo hppa1.0-hp-mpeix - exit ;; - hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* ) - echo hppa1.1-hp-osf - exit ;; - hp8??:OSF1:*:*) - echo hppa1.0-hp-osf - exit ;; - i*86:OSF1:*:*) - if [ -x /usr/sbin/sysversion ] ; then - echo ${UNAME_MACHINE}-unknown-osf1mk - else - echo ${UNAME_MACHINE}-unknown-osf1 - fi - exit ;; - parisc*:Lites*:*:*) - echo hppa1.1-hp-lites - exit ;; - C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*) - echo c1-convex-bsd - exit ;; - C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*) - if getsysinfo -f scalar_acc - then echo c32-convex-bsd - else echo c2-convex-bsd - fi - exit ;; - C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*) - echo c34-convex-bsd - exit ;; - C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*) - echo c38-convex-bsd - exit ;; - C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*) - echo c4-convex-bsd - exit ;; - CRAY*Y-MP:*:*:*) - echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit ;; - CRAY*[A-Z]90:*:*:*) - echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \ - | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \ - -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \ - -e 's/\.[^.]*$/.X/' - exit ;; - CRAY*TS:*:*:*) - echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit ;; - CRAY*T3E:*:*:*) - echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit ;; - CRAY*SV1:*:*:*) - echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit ;; - *:UNICOS/mp:*:*) - echo craynv-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit ;; - F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*) - FUJITSU_PROC=`uname -m | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` - FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` - FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'` - echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" - exit ;; - 5000:UNIX_System_V:4.*:*) - FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` - FUJITSU_REL=`echo ${UNAME_RELEASE} | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/ /_/'` - echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" - exit ;; - i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*) - echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE} - exit ;; - sparc*:BSD/OS:*:*) - echo sparc-unknown-bsdi${UNAME_RELEASE} - exit ;; - *:BSD/OS:*:*) - echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE} - exit ;; - *:FreeBSD:*:*) - case ${UNAME_MACHINE} in - pc98) - echo i386-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; - amd64) - echo x86_64-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; - *) - echo ${UNAME_MACHINE}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; - esac - exit ;; - i*:CYGWIN*:*) - echo ${UNAME_MACHINE}-pc-cygwin - exit ;; - i*:MINGW*:*) - echo ${UNAME_MACHINE}-pc-mingw32 - exit ;; - i*:windows32*:*) - # uname -m includes "-pc" on this system. - echo ${UNAME_MACHINE}-mingw32 - exit ;; - i*:PW*:*) - echo ${UNAME_MACHINE}-pc-pw32 - exit ;; - x86:Interix*:[3456]*) - echo i586-pc-interix${UNAME_RELEASE} - exit ;; - EM64T:Interix*:[3456]*) - echo x86_64-unknown-interix${UNAME_RELEASE} - exit ;; - [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*) - echo i${UNAME_MACHINE}-pc-mks - exit ;; - i*:Windows_NT*:* | Pentium*:Windows_NT*:*) - # How do we know it's Interix rather than the generic POSIX subsystem? - # It also conflicts with pre-2.0 versions of AT&T UWIN. Should we - # UNAME_MACHINE based on the output of uname instead of i386? - echo i586-pc-interix - exit ;; - i*:UWIN*:*) - echo ${UNAME_MACHINE}-pc-uwin - exit ;; - amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*) - echo x86_64-unknown-cygwin - exit ;; - p*:CYGWIN*:*) - echo powerpcle-unknown-cygwin - exit ;; - prep*:SunOS:5.*:*) - echo powerpcle-unknown-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` - exit ;; - *:GNU:*:*) - # the GNU system - echo `echo ${UNAME_MACHINE}|sed -e 's,[-/].*$,,'`-unknown-gnu`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'` - exit ;; - *:GNU/*:*:*) - # other systems with GNU libc and userland - echo ${UNAME_MACHINE}-unknown-`echo ${UNAME_SYSTEM} | sed 's,^[^/]*/,,' | tr '[A-Z]' '[a-z]'``echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`-gnu - exit ;; - i*86:Minix:*:*) - echo ${UNAME_MACHINE}-pc-minix - exit ;; - arm*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - avr32*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - cris:Linux:*:*) - echo cris-axis-linux-gnu - exit ;; - crisv32:Linux:*:*) - echo crisv32-axis-linux-gnu - exit ;; - frv:Linux:*:*) - echo frv-unknown-linux-gnu - exit ;; - ia64:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - m32r*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - m68*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - mips:Linux:*:*) - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - #undef CPU - #undef mips - #undef mipsel - #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL) - CPU=mipsel - #else - #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB) - CPU=mips - #else - CPU= - #endif - #endif -EOF - eval "`$CC_FOR_BUILD -E $dummy.c 2>/dev/null | sed -n ' - /^CPU/{ - s: ::g - p - }'`" - test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; } - ;; - mips64:Linux:*:*) - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - #undef CPU - #undef mips64 - #undef mips64el - #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL) - CPU=mips64el - #else - #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB) - CPU=mips64 - #else - CPU= - #endif - #endif -EOF - eval "`$CC_FOR_BUILD -E $dummy.c 2>/dev/null | sed -n ' - /^CPU/{ - s: ::g - p - }'`" - test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; } - ;; - or32:Linux:*:*) - echo or32-unknown-linux-gnu - exit ;; - ppc:Linux:*:*) - echo powerpc-unknown-linux-gnu - exit ;; - ppc64:Linux:*:*) - echo powerpc64-unknown-linux-gnu - exit ;; - alpha:Linux:*:*) - case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in - EV5) UNAME_MACHINE=alphaev5 ;; - EV56) UNAME_MACHINE=alphaev56 ;; - PCA56) UNAME_MACHINE=alphapca56 ;; - PCA57) UNAME_MACHINE=alphapca56 ;; - EV6) UNAME_MACHINE=alphaev6 ;; - EV67) UNAME_MACHINE=alphaev67 ;; - EV68*) UNAME_MACHINE=alphaev68 ;; - esac - objdump --private-headers /bin/sh | grep ld.so.1 >/dev/null - if test "$?" = 0 ; then LIBC="libc1" ; else LIBC="" ; fi - echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC} - exit ;; - parisc:Linux:*:* | hppa:Linux:*:*) - # Look for CPU level - case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in - PA7*) echo hppa1.1-unknown-linux-gnu ;; - PA8*) echo hppa2.0-unknown-linux-gnu ;; - *) echo hppa-unknown-linux-gnu ;; - esac - exit ;; - parisc64:Linux:*:* | hppa64:Linux:*:*) - echo hppa64-unknown-linux-gnu - exit ;; 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Generated from configure.ac by autoheader. */ - -/* Define to 1 if you have the header file. */ -#undef HAVE_DLFCN_H - -/* Define to 1 if you don't have `vprintf' but do have `_doprnt.' */ -#undef HAVE_DOPRNT - -/* Define to 1 if you have the header file. */ -#undef HAVE_FCNTL_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_GL_GL_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_INTTYPES_H - -/* Define if the gl_s library is installed (SGI GL library) */ -#undef HAVE_LIBGL_S - -/* Define if the X11 library is installed */ -#undef HAVE_LIBX11 - -/* Define to 1 if you have the header file. */ -#undef HAVE_MEMORY_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_RLE_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_STDARG_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_STDINT_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_STDLIB_H - -/* Define to 1 if you have the `strdup' function. */ -#undef HAVE_STRDUP - -/* Define to 1 if you have the header file. */ -#undef HAVE_STRINGS_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_STRING_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_SYS_STAT_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_SYS_TYPES_H - -/* Define to 1 if the system has the type `uint32_t'. */ -#undef HAVE_UINT32_T - -/* Define to 1 if you have the header file. */ -#undef HAVE_UNISTD_H - -/* Define to 1 if the system has the type `u_int32_t'. */ -#undef HAVE_U_INT32_T - -/* Define to 1 if you have the header file. */ -#undef HAVE_VARARGS_H - -/* Define to 1 if you have the `vprintf' function. */ -#undef HAVE_VPRINTF - -/* Define to 1 if you have the header file. */ -#undef HAVE_X11_XLIB_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_X11_XUTIL_H - -/* Define to 1 if your C compiler doesn't accept -c and -o together. */ -#undef NO_MINUS_C_MINUS_O - -/* Name of package */ -#undef PACKAGE - -/* Define to the address where bug reports for this package should be sent. */ -#undef PACKAGE_BUGREPORT - -/* Define to the full name of this package. */ -#undef PACKAGE_NAME - -/* Define to the full name and version of this package. */ -#undef PACKAGE_STRING - -/* Define to the one symbol short name of this package. */ -#undef PACKAGE_TARNAME - -/* Define to the version of this package. */ -#undef PACKAGE_VERSION - -/* Define to 1 if the C compiler supports function prototypes. */ -#undef PROTOTYPES - -/* Define to 1 if the `setvbuf' function takes the buffering type as its - second argument and the buffer pointer as the third, as on System V before - release 3. */ -#undef SETVBUF_REVERSED - -/* The size of `unsigned int', as computed by sizeof. */ -#undef SIZEOF_UNSIGNED_INT - -/* The size of `unsigned long', as computed by sizeof. */ -#undef SIZEOF_UNSIGNED_LONG - -/* Define to 1 if you have the ANSI C header files. */ -#undef STDC_HEADERS - -/* Set to an unsigned 32 bit integer available on this system */ -#undef UINT32 - -/* Version number of package */ -#undef VERSION - -/* Define to 1 if the X Window System is missing or not being used. */ -#undef X_DISPLAY_MISSING - -/* Define like PROTOTYPES; this can be used by system headers. */ -#undef __PROTOTYPES - -/* Define to empty if `const' does not conform to ANSI C. */ -#undef const diff --git a/giflib-4.1.6/config.sub b/giflib-4.1.6/config.sub deleted file mode 100755 index fab0aa3..0000000 --- a/giflib-4.1.6/config.sub +++ /dev/null @@ -1,1616 +0,0 @@ -#! /bin/sh -# Configuration validation subroutine script. -# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, -# 2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, -# Inc. - -timestamp='2006-09-20' - -# This file is (in principle) common to ALL GNU software. -# The presence of a machine in this file suggests that SOME GNU software -# can handle that machine. It does not imply ALL GNU software can. -# -# This file is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2 of the License, or -# (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA -# 02110-1301, USA. -# -# As a special exception to the GNU General Public License, if you -# distribute this file as part of a program that contains a -# configuration script generated by Autoconf, you may include it under -# the same distribution terms that you use for the rest of that program. - - -# Please send patches to . Submit a context -# diff and a properly formatted ChangeLog entry. -# -# Configuration subroutine to validate and canonicalize a configuration type. -# Supply the specified configuration type as an argument. -# If it is invalid, we print an error message on stderr and exit with code 1. -# Otherwise, we print the canonical config type on stdout and succeed. - -# This file is supposed to be the same for all GNU packages -# and recognize all the CPU types, system types and aliases -# that are meaningful with *any* GNU software. -# Each package is responsible for reporting which valid configurations -# it does not support. The user should be able to distinguish -# a failure to support a valid configuration from a meaningless -# configuration. - -# The goal of this file is to map all the various variations of a given -# machine specification into a single specification in the form: -# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM -# or in some cases, the newer four-part form: -# CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM -# It is wrong to echo any other type of specification. - -me=`echo "$0" | sed -e 's,.*/,,'` - -usage="\ -Usage: $0 [OPTION] CPU-MFR-OPSYS - $0 [OPTION] ALIAS - -Canonicalize a configuration name. - -Operation modes: - -h, --help print this help, then exit - -t, --time-stamp print date of last modification, then exit - -v, --version print version number, then exit - -Report bugs and patches to ." - -version="\ -GNU config.sub ($timestamp) - -Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 -Free Software Foundation, Inc. - -This is free software; see the source for copying conditions. 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gif2bgi

- -A program to display images saved as GIF files on IBM PC display devices using -the BGI (Borland) driver interface.

- -The program operates as follows:

- -

    -
  1. -Reads the GIF file header and determines the image size.

    - -

  2. -Dynamically allocates enough memory to hold all the image internally. -One byte per pixel is always allocated, so a little bit more than -width*height (of screen, not image) bytes are required.

    - -

  3. -Reads all the image in. Interlaced images are read in correctly, although -they are displayed sequentially.

    - -

  4. -Display first image using the defaults as set by the command line option.

    - -

  5. -Goes to interactive mode. For a full description of the interactive mode -see below.

    -

- -

Usage:

- -
-gif2bgi [-q] [-d BGI dir] [-u driver] [-z zoom] [-b] [-h] gif-file
-
- -If no GIF is given, gif2bgi will try to read a GIF file from stdin.

- -

Memory required:

- -Screen. - -

Options:

-
-
[-q] -
Quiet mode. Default off on MSDOS, on under UNIX. Controls printout - of running scan lines. Use -q- to invert.

- -

[-d BGI Directory] -
Where we should look for default drivers (as supplied by Borland). - For example '-d c:/tc/bgi'.

- -

[-u driver] -
Specifies a user-defined BGI driver. If for example - you have a BGI driver for your special vga called MYVGA.BGI and you want - to run it in mode 2, then type '-u c:/tc/bgi/myvga.2'. Note the absolute - path to the driver must be specified. Also note that we use '/' and not - '\' so they won't be treated as options.

- -

[-z zoom] -
Sets zoom factor of the view. Zoom factor should be - power of 2 up to 256. Default is 1 (no zoom).

- -

[-h] -
Print one line of command-line help, similar to Usage above.

-

- -

Interactive mode:

- -Once the image is displayed, the gif2bgi program goes into interactive mode -which recognizes the following commands:

- -

-
C - get Color and position -
In this submenu, a cursor appears and the location and color of the - pixel underneath it are printed. The 4 arrows may be used (shifted for - faster movement) to move the cursor. Any other key will abort this submode.

- -

D - zoom Down -
Zoom down by factor of 2 unless current zoom factor is 1.

- -

R - Redraw -
Redraw the image.

- -

S - print Status -
Print status of image and program.

- -

U - zoom Up -
Zoom up by factor of 2 unless current zoom factor is 256.

- -

arrow keys -
The 4 arrow keys can be used to pan in the desired direction, if the image - overflows in that direction. If the image fits into the screen, arrow - keys are ignored. The panning steps are 1/2 screen if not on image end.

- -

SPC - abort -
Space bar may be used to abort current image drawing.

- -

ESC - abort -
Escape may be used to abort current image drawing. -
- - -

Notes:

- -This program is useless in a Unix environment and is not normally -built there.

- -No color quantization is used in this program; thus, if a GIF image has more -colors than the BGI driver support, this program will abort.

- -This driver is optimized for drivers with one byte per pixel (256 colors) -and will run MUCH faster on such drivers.

- -

Bugs:

- -For some reason I could not figure out, on my ATI wonder card, int 10h call -10h (AH = AL = 10h) to set the color registers sometimes result with wrong -colors. Direct access of the card registers gives correct results.

- -

Author:

- -Gershon Elber - -
-
Eric S. Raymond <esr@snark.thyrsus.com>
- - - diff --git a/giflib-4.1.6/doc/gif2epsn.html b/giflib-4.1.6/doc/gif2epsn.html deleted file mode 100644 index fc102b7..0000000 --- a/giflib-4.1.6/doc/gif2epsn.html +++ /dev/null @@ -1,98 +0,0 @@ - - - -gif2bgi - - - -Go to index page. - -

gif2epsn

- -A program to dump images saved as GIF files on Epson type printers.

- -

Usage:

- -
-gif2epsn [-q] [-d dither] [-t bw] [-m map] [-i] [-n] [-p printer] [-h] gif-file
-
- -If no gif-file is given, Gif2Epsn will try to read a GIF file from stdin.

- - -

Memory required:

- -Screen. - -

Options:

- -
-
[-q] -
Quiet mode. Default off on MSDOS, on under UNIX. Controls printout - of running scan lines. Use -q- to invert.

- -

[-d dither] -
Sets size of dithering matrix, where DitherSize can be - 2,3 or 4 only (for 2x2, 3x3 and 4x4 dithering matrices). Default is 2. - Note image will be displayed in this mode only if the mapping - option (see -m) selected this mode.

- -

[-t bw] -
Sets threshold level for B&W mapping in percent. - This threshold level is used in the different mappings as selected via -m. - Default is 19%.

- -

[-m map] -
Select method to map colors to B&W. Mapping can be: - -
-
0
- Every none background color is considered foreground (white color but - is drawn as black by printer, unless -i is specified).

- -

1
- If 0.3 * RED + 0.59 * GREEN + 0.11 * YELLOW > BW the pixel is - considered white color.

- -

2
- Colors are mapped as in 1, and use dithering of size as defined using - -d option. BWthreshold is used here as scaler.

-

- -The default is option 0.

- -

[-i] -
Invert the image, i.e. black -> white, white -> black.

- -

[-n] -
Nicer image. Uses double-density feature of Epson printer. This - takes more time (and kills your ink cartridge faster...) but results - are usually better.

- -

[-p printer] -
Under Unix, output goes to stdout by default; under DOS, the - default is LPT1:. With this switch you can specify the output - target.

- -

[-h] -
print one line of command line help, similar to Usage above.

-

- -

Notes:

- -The output has an aspect ratio of 1, so a square image will be square in -hardcopy as well.

- -The widest image can be printed is 640 pixels, on 8 inch paper. You -probably will need to flip wider images, if height is less than that: -`gifflip -r x29.gif | gif2epsn'. Wider -images will be clipped.

- -

Author:

- -Gershon Elber - -
-
Eric S. Raymond <esr@snark.thyrsus.com>
- - diff --git a/giflib-4.1.6/doc/gif2herc.html b/giflib-4.1.6/doc/gif2herc.html deleted file mode 100644 index 26afe0c..0000000 --- a/giflib-4.1.6/doc/gif2herc.html +++ /dev/null @@ -1,153 +0,0 @@ - - - -gif2herc - - - -Go to index page. - -

gif2herc

- -A program to display images saved as GIF files on an IBM PC Hercules -graphic card. The program operates as follows:

- -

    -
  1. -Read GIF file header and determine size of the image.

    - -

  2. -Dynamically allocate enough memory to hold all the image internally. -One byte per pixel is always allocated, so a little bit more than -width*height (of screen, not image) bytes are required.

    - -

  3. -Reads the image in. Interlaced images are read correctly, although -they are displayed sequentially.

    - -

  4. -Display first image using the defaults as set by the command line option.

    - -

  5. -Goes to interactive mode. For full description of the interactive mode -see below.

    -

- -

Usage:

- -
-gif2herc [-q] [-d dither] [-z zoom] [-t bw] [-m map] [-i] [-b] [-h] gif-file
-
- -If no gif-file is given, gif2herc will try to read a GIF file from stdin.

- - -

Memory required:

- -Screen. - -

Options:

- -
[-q] -
Quiet mode. Defaults off on MSDOS, on under UNIX. Controls printout - of running scan lines. Use -q- to invert.

- -

[-d dither] -
Sets size of dithering matrix, where dither can be - 2,3 or 4 only (for 2x2, 3x3 and 4x4 dithering matrices). Default is 2. - Note: the image will be dithered only if the mapping (see -m) - selected dithering mode.

- -

[-z zoom] -
Sets zoom factor of the image. Zoom factor should be - power of 2 up to 256. Default is 1 (no zoom).

- -

[-t bw] -
Sets threshold level for B&W mapping in percent. - This threshold level is used in the different mappings as selected via -m. - Default is 19%.

- -

[-m map] -
Select method to map colors to B&W. Mapping can be: - -
-
0
- Every non-background color is considered foreground (white). - -
1
- 0.3 * RED + 0.59 * GREEN + 0.11 * YELLOW > BWThreshold is considered white. - -
2
- Colors are mapped as in 1, and use dithering of size as defined using - -d option. BWthreshold is used here as scaler. -
- -Default is option 0, which is much faster than the other two.

- -

[-i] -
Invert the image, i.e. black -> white, white -> black.

- -

[-b] -
Disable beeps. Every time the image is complete, or a wrong key was - presses, sound is generated. The -b option disables that.

- -

[-h] -
Print one line of command line help, similar to Usage above.

- - -

Interactive mode:

- -Once the image is displayed, the program goes into an interactive mode -which recognizes the following commands: - -
-
C - get Color and position -
In this submenu, a cursor appears and the location and color of the - pixel underneath it are printed. The 4 arrows may be used (shifted for - faster movement) to move the cursor. Any other key will abort this - submode.

- - -

D - zoom Down -
Zoom down by factor of 2 unless current zoom factor is 1.

- -

H - Increase dither matrix size -
...unless current size is maximum (4), in which case size is set - to minimum (2).

- -

I - Invert -
Invert the image, i.e. white -> black, black -> white.

- -

M - Method -
Increment color -> BW mapping method, unless current method is maximum - (2), in which case method is set to minimum (0).

- -

R - Redraw -
Redraw the image.

- -

S - print Status -
Print status of image and program.

- -

U - zoom Up -
Zoom up by factor of 2 unless current zoom factor is 256.

- -

arrow keys -
The 4 arrow keys can be used to pan in the desired direction, if the image - overflows in that direction. If the image fits into the screen, arrow - keys are ignored. The panning steps are 1/2 screen if not on image end.

- -

SPC - abort -
Space bar may be used to abort current image drawing.

- -

ESC - abort -
Escape may be used to abort current image drawing.

-

- -

Author:

- -Gershon Elber - -
-
Eric S. Raymond <esr@snark.thyrsus.com>
- - diff --git a/giflib-4.1.6/doc/gif2iris.html b/giflib-4.1.6/doc/gif2iris.html deleted file mode 100644 index dd6ae3b..0000000 --- a/giflib-4.1.6/doc/gif2iris.html +++ /dev/null @@ -1,52 +0,0 @@ - - - -gif2iris - - - -Go to index page. - -

gif2iris

- -A program to display images saved as GIF files under the -SGI NeWs window system.

- -

Usage:

- -
-Gif2Iris [-q] [-f] [-p PosX PosY] [-f] [-h] gif-file
-
- -If no gif-file is given, Gif2Iris will try to read a GIF from stdin.

- -

Memory required:

- -Screen. - -

Options:

- -
-
[-q] -
Quiet mode. Defaults off on MSDOS, on under UNIX. Controls printout - of running scan lines. Use -q- to invert.

- -

[-f] -
Force Gif2Iris to stay in foreground.

- -

[-p PosX PosY] -
Defines position of image on screen. By default the - program will prompt for position.

- -

[-h] -
Print one line of command line help, similar to Usage above..

-

- -

Author:

- -Gershon Elber - -
-
Eric S. Raymond <esr@snark.thyrsus.com>
- - diff --git a/giflib-4.1.6/doc/gif2ps.html b/giflib-4.1.6/doc/gif2ps.html deleted file mode 100644 index 7530d85..0000000 --- a/giflib-4.1.6/doc/gif2ps.html +++ /dev/null @@ -1,71 +0,0 @@ - - - -gif2ps - - - -Go to index page. - -

gif2ps

- -GIF-to-PostScript conversion.

- -

Usage:

- -
-gif2ps [-q] [-x] [-y] [-s sx sy] [-p px py] [-i] [-n copies] [-h] gif-file
-
- -If no gif-file is given, Gif2PS will try to read a GIF file from stdin.

- - -

Memory required:

- -Line. - -

Options:

- -
-
[-q] -
quiet mode. Defaults off on MSDOS, on under UNIX. Controls printout - of running scan lines. Use -q- to invert.

- -

[-x] -
Force image to be horizontal (`landscape mode'). By default image - will be positioned so it will be the biggest. If -x is given image will be - scaled to be biggest possible horizontally.

- -

[-y] -
Force vertical (`portrait mode'); analogous to -x.

- -

[-s sx sy] -
Force image size to be sx by sy inches. - If image will exit page dimensions, it will scream and die. - Page dimensions are 8.5 by 11.0 inches but only 7.5 by 9.0 are assumed to - be printable.

- -

[-p pc py] -
Force image lower left corner to be as px py. - If this would overrun the page's dimensions, it will scream and die.

- -

[-i] -
Image will be inverted (Black -> White and vice versa). - Mapping from colors is done by 0.3 * RED + 0.59 * GREEN + 0.11 * BLUE - and sometimes inverting the image will look better.

- -

[-n copies] -
Number of copies to print. 1 by default.

- -

[-h] -
Print one line of command help, similar to Usage above.

-

- -

Author:

- -Gershon Elber - -
-
Eric S. Raymond <esr@snark.thyrsus.com>
- - diff --git a/giflib-4.1.6/doc/gif2rgb.html b/giflib-4.1.6/doc/gif2rgb.html deleted file mode 100644 index f47f1e8..0000000 --- a/giflib-4.1.6/doc/gif2rgb.html +++ /dev/null @@ -1,55 +0,0 @@ - - - -gif2rgb - - - -Go to index page. - -

gif2rgb

- -A program to convert images saved as GIF to 24-bit RGB image(s). - - -

Usage:

- -
-gif2rgb [-q] [-1] [-o OutFileName] [-h] gif-file
-
- -If no gif-file is given, Gif2RGB will try to read a GIF file from stdin.

- -

Memory required:

- -Screen. - -

Options:

- -
-
[-q] -
Quiet mode. Defaults off on MSDOS, on under UNIX. Controls printout - of running scan lines. Use -q- to invert.

- -

[-1] -
Only one file in the format of RGBRGB... triplets (Each of R, G, B - is a byte) is being written. This file size is 3 * Width * Height. - If stdout is used for output, this option is implicitly applied. - The default (if not `-1') is 3 files with the names OutFileName.R, - OutFileName.G, OutFileName.B, each of which is Width * Height bytes.

- -

[-o OutFileName] -
specifies the name of the out file (see also `-1' above).

- -

[-h] -
Print one line of command line help, similar to Usage above.

-

- -

Author:

- -Gershon Elber - -
-
Eric S. Raymond <esr@snark.thyrsus.com>
- - diff --git a/giflib-4.1.6/doc/gif2rle.html b/giflib-4.1.6/doc/gif2rle.html deleted file mode 100644 index ec69248..0000000 --- a/giflib-4.1.6/doc/gif2rle.html +++ /dev/null @@ -1,56 +0,0 @@ - - - -gif2rle - - - -Go to index page. - -

gif2rle

- -A program to convert images saved as GIF to RLE (Utah raster toolkit) -format.

- -

Usage:

- -
-gif2rle [-q] [-a] [-h] gif-file
-
- -If no gif-file is given, Gif2Rle will try to read a GIF file from stdin.

- - -

Memory required:

- -Screen. - -

Options:

- -
-
[-q] -
Quiet mode. Defaults off on MSDOS, on under UNIX. Controls printout - of running scan lines. Use -q- to invert.

- -

[-a] -
Add alpha channel (see rle document) to the output data file.

- -

[-h] -
Print one line command line help, similar to Usage above.

-

- -

Notes:

- -This routine must be linked with the RLE toolkit library librle.a and -is not built by the normal distribution make. If you want to convert -images to RLE format, it is reasonable to assume you have this library -available.

- -

Author:

- -Gershon Elber - -
-
Eric S. Raymond <esr@snark.thyrsus.com>
- - diff --git a/giflib-4.1.6/doc/gif2x11.html b/giflib-4.1.6/doc/gif2x11.html deleted file mode 100644 index 5e26729..0000000 --- a/giflib-4.1.6/doc/gif2x11.html +++ /dev/null @@ -1,59 +0,0 @@ - - - -gif2x11 - - - -Go to index page. - -

gif2x11

- -A program to display images saved as GIF files under X window system.Usage: - -
-gif2x11	[-q] [-p PosX PosY] [-d Display] [-f] [-h] gif-file
-
- -If no gif-file is given, Gif2X11 will try to read a GIF file from stdin. -Note: this program does not read the X resource data base.

- -

Memory required:

- -Screen. - -

Options:

- -
-
[-q] -
Quiet mode. Defaults off on MSDOS, on under UNIX. Controls printout - of running scan lines. Use -q- to invert.

- -

[-p PosX PosY] -
Set the position of image on screen. By default the - program will prompt for position.

- -

[-d Display] -
What X server should be connected to.

- -

[-f] -
Force attempt to allocate exact colors. This usually will result in a - very muddled image if not enough colors can be allocated; the rest of - them will be approximated by the closest one. By default the least bits - of the colors are stripped until success (in allocation) which looks much - better.

- -

[-h] -
Print one line command line help, similar to Usage above.

-

- -

Author:

- -Gershon Elber - -
-
Eric S. Raymond <esr@snark.thyrsus.com>
- - diff --git a/giflib-4.1.6/doc/gif89.txt b/giflib-4.1.6/doc/gif89.txt deleted file mode 100644 index 9516eec..0000000 --- a/giflib-4.1.6/doc/gif89.txt +++ /dev/null @@ -1,2475 +0,0 @@ - - - Cover Sheet for the GIF89a Specification - - - DEFERRED CLEAR CODE IN LZW COMPRESSION - - There has been confusion about where clear codes can be found in the - data stream. As the specification says, they may appear at anytime. There - is not a requirement to send a clear code when the string table is full. - - It is the encoder's decision as to when the table should be cleared. When - the table is full, the encoder can chose to use the table as is, making no - changes to it until the encoder chooses to clear it. The encoder during - this time sends out codes that are of the maximum Code Size. - - As we can see from the above, when the decoder's table is full, it must - not change the table until a clear code is received. The Code Size is that - of the maximum Code Size. Processing other than this is done normally. - - Because of a large base of decoders that do not handle the decompression in - this manner, we ask developers of GIF encoding software to NOT implement - this feature until at least January 1991 and later if they see that their - particular market is not ready for it. This will give developers of GIF - decoding software time to implement this feature and to get it into the - hands of their clients before the decoders start "breaking" on the new - GIF's. It is not required that encoders change their software to take - advantage of the deferred clear code, but it is for decoders. - - APPLICATION EXTENSION BLOCK - APPLICATION IDENTIFIER - - There will be a Courtesy Directory file located on CompuServe in the PICS - forum. This directory will contain Application Identifiers for Application - Extension Blocks that have been used by developers of GIF applications. - This file is intended to help keep developers that wish to create - Application Extension Blocks from using the same Application Identifiers. - This is not an official directory; it is for voluntary participation only - and does not guarantee that someone will not use the same identifier. - - E-Mail can be sent to Larry Wood (forum manager of PICS) indicating the - request for inclusion in this file with an identifier. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - GRAPHICS INTERCHANGE FORMAT(sm) - - Version 89a - - (c)1987,1988,1989,1990 - - Copyright - CompuServe Incorporated - Columbus, Ohio - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -CompuServe Incorporated Graphics Interchange Format -Document Date : 31 July 1990 Programming Reference - - - - - - - - - - - Table of Contents - -Disclaimer................................................................. 1 - -Foreword................................................................... 1 - -Licensing.................................................................. 1 - -About the Document......................................................... 2 - -General Description........................................................ 2 - -Version Numbers............................................................ 2 - -The Encoder................................................................ 3 - -The Decoder................................................................ 3 - -Compliance................................................................. 3 - -About Recommendations...................................................... 4 - -About Color Tables......................................................... 4 - -Blocks, Extensions and Scope............................................... 4 - -Block Sizes................................................................ 5 - -Using GIF as an embedded protocol.......................................... 5 - -Data Sub-blocks............................................................ 5 - -Block Terminator........................................................... 6 - -Header..................................................................... 7 - -Logical Screen Descriptor.................................................. 8 - -Global Color Table......................................................... 10 - -Image Descriptor........................................................... 11 - -Local Color Table.......................................................... 13 - -Table Based Image Data..................................................... 14 - -Graphic Control Extension.................................................. 15 - -Comment Extension.......................................................... 17 - -Plain Text Extension....................................................... 18 - -Application Extension...................................................... 21 - -Trailer.................................................................... 23 - - - - - - - - - - - -Quick Reference Table...................................................... 24 - -GIF Grammar................................................................ 25 - -Glossary................................................................... 27 - -Conventions................................................................ 28 - -Interlaced Images.......................................................... 29 - -Variable-Length-Code LZW Compression....................................... 30 - -On-line Capabilities Dialogue.............................................. 33 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1 - - -1. Disclaimer. - -The information provided herein is subject to change without notice. In no -event will CompuServe Incorporated be liable for damages, including any loss of -revenue, loss of profits or other incidental or consequential damages arising -out of the use or inability to use the information; CompuServe Incorporated -makes no claim as to the suitability of the information. - - -2. Foreword. - -This document defines the Graphics Interchange Format(sm). The specification -given here defines version 89a, which is an extension of version 87a. - -The Graphics Interchange Format(sm) as specified here should be considered -complete; any deviation from it should be considered invalid, including but not -limited to, the use of reserved or undefined fields within control or data -blocks, the inclusion of extraneous data within or between blocks, the use of -methods or algorithms not specifically listed as part of the format, etc. In -general, any and all deviations, extensions or modifications not specified in -this document should be considered to be in violation of the format and should -be avoided. - - -3. Licensing. - -The Graphics Interchange Format(c) is the copyright property of CompuServe -Incorporated. Only CompuServe Incorporated is authorized to define, redefine, -enhance, alter, modify or change in any way the definition of the format. - -CompuServe Incorporated hereby grants a limited, non-exclusive, royalty-free -license for the use of the Graphics Interchange Format(sm) in computer -software; computer software utilizing GIF(sm) must acknowledge ownership of the -Graphics Interchange Format and its Service Mark by CompuServe Incorporated, in -User and Technical Documentation. Computer software utilizing GIF, which is -distributed or may be distributed without User or Technical Documentation must -display to the screen or printer a message acknowledging ownership of the -Graphics Interchange Format and the Service Mark by CompuServe Incorporated; in -this case, the acknowledgement may be displayed in an opening screen or leading -banner, or a closing screen or trailing banner. A message such as the following -may be used: - - "The Graphics Interchange Format(c) is the Copyright property of - CompuServe Incorporated. GIF(sm) is a Service Mark property of - CompuServe Incorporated." - -For further information, please contact : - - CompuServe Incorporated - Graphics Technology Department - 5000 Arlington Center Boulevard - Columbus, Ohio 43220 - U. S. A. - -CompuServe Incorporated maintains a mailing list with all those individuals and -organizations who wish to receive copies of this document when it is corrected - - - - - - - - 2 - - -or revised. This service is offered free of charge; please provide us with your -mailing address. - - -4. About the Document. - -This document describes in detail the definition of the Graphics Interchange -Format. This document is intended as a programming reference; it is -recommended that the entire document be read carefully before programming, -because of the interdependence of the various parts. There is an individual -section for each of the Format blocks. Within each section, the sub-section -labeled Required Version refers to the version number that an encoder will have -to use if the corresponding block is used in the Data Stream. Within each -section, a diagram describes the individual fields in the block; the diagrams -are drawn vertically; top bytes in the diagram appear first in the Data Stream. -Bits within a byte are drawn most significant on the left end. Multi-byte -numeric fields are ordered Least Significant Byte first. Numeric constants are -represented as Hexadecimal numbers, preceded by "0x". Bit fields within a byte -are described in order from most significant bits to least significant bits. - - -5. General Description. - -The Graphics Interchange Format(sm) defines a protocol intended for the on-line -transmission and interchange of raster graphic data in a way that is -independent of the hardware used in their creation or display. - -The Graphics Interchange Format is defined in terms of blocks and sub-blocks -which contain relevant parameters and data used in the reproduction of a -graphic. A GIF Data Stream is a sequence of protocol blocks and sub-blocks -representing a collection of graphics. In general, the graphics in a Data -Stream are assumed to be related to some degree, and to share some control -information; it is recommended that encoders attempt to group together related -graphics in order to minimize hardware changes during processing and to -minimize control information overhead. For the same reason, unrelated graphics -or graphics which require resetting hardware parameters should be encoded -separately to the extent possible. - -A Data Stream may originate locally, as when read from a file, or it may -originate remotely, as when transmitted over a data communications line. The -Format is defined with the assumption that an error-free Transport Level -Protocol is used for communications; the Format makes no provisions for -error-detection and error-correction. - -The GIF Data Stream must be interpreted in context, that is, the application -program must rely on information external to the Data Stream to invoke the -decoder process. - - -6. Version Numbers. - -The version number in the Header of a Data Stream is intended to identify the -minimum set of capabilities required of a decoder in order to fully process the -Data Stream. An encoder should use the earliest possible version number that -includes all the blocks used in the Data Stream. Within each block section in -this document, there is an entry labeled Required Version which specifies the - - - - - - - - 3 - - -earliest version number that includes the corresponding block. The encoder -should make every attempt to use the earliest version number covering all the -blocks in the Data Stream; the unnecessary use of later version numbers will -hinder processing by some decoders. - - -7. The Encoder. - -The Encoder is the program used to create a GIF Data Stream. From raster data -and other information, the encoder produces the necessary control and data -blocks needed for reproducing the original graphics. - -The encoder has the following primary responsibilities. - - - Include in the Data Stream all the necessary information to - reproduce the graphics. - - - Insure that a Data Stream is labeled with the earliest possible - Version Number that will cover the definition of all the blocks in - it; this is to ensure that the largest number of decoders can - process the Data Stream. - - - Ensure encoding of the graphics in such a way that the decoding - process is optimized. Avoid redundant information as much as - possible. - - - To the extent possible, avoid grouping graphics which might - require resetting hardware parameters during the decoding process. - - - Set to zero (off) each of the bits of each and every field - designated as reserved. Note that some fields in the Logical Screen - Descriptor and the Image Descriptor were reserved under Version - 87a, but are used under version 89a. - - -8. The Decoder. - -The Decoder is the program used to process a GIF Data Stream. It processes the -Data Stream sequentially, parsing the various blocks and sub-blocks, using the -control information to set hardware and process parameters and interpreting the -data to render the graphics. - -The decoder has the following primary responsibilities. - - - Process each graphic in the Data Stream in sequence, without - delays other than those specified in the control information. - - - Set its hardware parameters to fit, as closely as possible, the - control information contained in the Data Stream. - - -9. Compliance. - -An encoder or a decoder is said to comply with a given version of the Graphics -Interchange Format if and only if it fully conforms with and correctly -implements the definition of the standard associated with that version. An - - - - - - - - 4 - - -encoder or a decoder may be compliant with a given version number and not -compliant with some subsequent version. - - -10. About Recommendations. - -Each block section in this document contains an entry labeled Recommendation; -this section lists a set of recommendations intended to guide and organize the -use of the particular blocks. Such recommendations are geared towards making -the functions of encoders and decoders more efficient, as well as making -optimal use of the communications bandwidth. It is advised that these -recommendations be followed. - - -11. About Color Tables. - -The GIF format utilizes color tables to render raster-based graphics. A color -table can have one of two different scopes: global or local. A Global Color -Table is used by all those graphics in the Data Stream which do not have a -Local Color Table associated with them. The scope of the Global Color Table is -the entire Data Stream. A Local Color Table is always associated with the -graphic that immediately follows it; the scope of a Local Color Table is -limited to that single graphic. A Local Color Table supersedes a Global Color -Table, that is, if a Data Stream contains a Global Color Table, and an image -has a Local Color Table associated with it, the decoder must save the Global -Color Table, use the Local Color Table to render the image, and then restore -the Global Color Table. Both types of color tables are optional, making it -possible for a Data Stream to contain numerous graphics without a color table -at all. For this reason, it is recommended that the decoder save the last -Global Color Table used until another Global Color Table is encountered. In -this way, a Data Stream which does not contain either a Global Color Table or -a Local Color Table may be processed using the last Global Color Table saved. -If a Global Color Table from a previous Stream is used, that table becomes the -Global Color Table of the present Stream. This is intended to reduce the -overhead incurred by color tables. In particular, it is recommended that an -encoder use only one Global Color Table if all the images in related Data -Streams can be rendered with the same table. If no color table is available at -all, the decoder is free to use a system color table or a table of its own. In -that case, the decoder may use a color table with as many colors as its -hardware is able to support; it is recommended that such a table have black and -white as its first two entries, so that monochrome images can be rendered -adequately. - -The Definition of the GIF Format allows for a Data Stream to contain only the -Header, the Logical Screen Descriptor, a Global Color Table and the GIF -Trailer. Such a Data Stream would be used to load a decoder with a Global Color -Table, in preparation for subsequent Data Streams without a color table at all. - - -12. Blocks, Extensions and Scope. - -Blocks can be classified into three groups : Control, Graphic-Rendering and -Special Purpose. Control blocks, such as the Header, the Logical Screen -Descriptor, the Graphic Control Extension and the Trailer, contain information -used to control the process of the Data Stream or information used in setting -hardware parameters. Graphic-Rendering blocks such as the Image Descriptor and - - - - - - - - 5 - - -the Plain Text Extension contain information and data used to render a graphic -on the display device. Special Purpose blocks such as the Comment Extension and -the Application Extension are neither used to control the process of the Data -Stream nor do they contain information or data used to render a graphic on the -display device. With the exception of the Logical Screen Descriptor and the -Global Color Table, whose scope is the entire Data Stream, all other Control -blocks have a limited scope, restricted to the Graphic-Rendering block that -follows them. Special Purpose blocks do not delimit the scope of any Control -blocks; Special Purpose blocks are transparent to the decoding process. -Graphic-Rendering blocks and extensions are used as scope delimiters for -Control blocks and extensions. The labels used to identify labeled blocks fall -into three ranges : 0x00-0x7F (0-127) are the Graphic Rendering blocks, -excluding the Trailer (0x3B); 0x80-0xF9 (128-249) are the Control blocks; -0xFA-0xFF (250-255) are the Special Purpose blocks. These ranges are defined so -that decoders can handle block scope by appropriately identifying block labels, -even when the block itself cannot be processed. - - -13. Block Sizes. - -The Block Size field in a block, counts the number of bytes remaining in the -block, not counting the Block Size field itself, and not counting the Block -Terminator, if one is to follow. Blocks other than Data Blocks are intended to -be of fixed length; the Block Size field is provided in order to facilitate -skipping them, not to allow their size to change in the future. Data blocks -and sub-blocks are of variable length to accommodate the amount of data. - - -14. Using GIF as an embedded protocol. - -As an embedded protocol, GIF may be part of larger application protocols, -within which GIF is used to render graphics. In such a case, the application -protocol could define a block within which the GIF Data Stream would be -contained. The application program would then invoke a GIF decoder upon -encountering a block of type GIF. This approach is recommended in favor of -using Application Extensions, which become overhead for all other applications -that do not process them. Because a GIF Data Stream must be processed in -context, the application must rely on some means of identifying the GIF Data -Stream outside of the Stream itself. - - -15. Data Sub-blocks. - - a. Description. Data Sub-blocks are units containing data. They do not - have a label, these blocks are processed in the context of control - blocks, wherever data blocks are specified in the format. The first byte - of the Data sub-block indicates the number of data bytes to follow. A - data sub-block may contain from 0 to 255 data bytes. The size of the - block does not account for the size byte itself, therefore, the empty - sub-block is one whose size field contains 0x00. - - b. Required Version. 87a. - - - - - - - - - - - - 6 - - - c. Syntax. - - 7 6 5 4 3 2 1 0 Field Name Type - +---------------+ - 0 | | Block Size Byte - +---------------+ - 1 | | - +- -+ - 2 | | - +- -+ - 3 | | - +- -+ - | | Data Values Byte - +- -+ - up | | - +- . . . . -+ - to | | - +- -+ - | | - +- -+ -255 | | - +---------------+ - - i) Block Size - Number of bytes in the Data Sub-block; the size - must be within 0 and 255 bytes, inclusive. - - ii) Data Values - Any 8-bit value. There must be exactly as many - Data Values as specified by the Block Size field. - - d. Extensions and Scope. This type of block always occurs as part of a - larger unit. It does not have a scope of itself. - - e. Recommendation. None. - - -16. Block Terminator. - - a. Description. This zero-length Data Sub-block is used to terminate a - sequence of Data Sub-blocks. It contains a single byte in the position of - the Block Size field and does not contain data. - - b. Required Version. 87a. - - c. Syntax. - - 7 6 5 4 3 2 1 0 Field Name Type - +---------------+ - 0 | | Block Size Byte - +---------------+ - - i) Block Size - Number of bytes in the Data Sub-block; this field - contains the fixed value 0x00. - - ii) Data Values - This block does not contain any data. - - - - - - - - - - 7 - - - d. Extensions and Scope. This block terminates the immediately preceding - sequence of Data Sub-blocks. This block cannot be modified by any - extension. - - e. Recommendation. None. - - -17. Header. - - a. Description. The Header identifies the GIF Data Stream in context. The - Signature field marks the beginning of the Data Stream, and the Version - field identifies the set of capabilities required of a decoder to fully - process the Data Stream. This block is REQUIRED; exactly one Header must - be present per Data Stream. - - b. Required Version. Not applicable. This block is not subject to a - version number. This block must appear at the beginning of every Data - Stream. - - c. Syntax. - - - 7 6 5 4 3 2 1 0 Field Name Type - +---------------+ - 0 | | Signature 3 Bytes - +- -+ - 1 | | - +- -+ - 2 | | - +---------------+ - 3 | | Version 3 Bytes - +- -+ - 4 | | - +- -+ - 5 | | - +---------------+ - - i) Signature - Identifies the GIF Data Stream. This field contains - the fixed value 'GIF'. - - ii) Version - Version number used to format the data stream. - Identifies the minimum set of capabilities necessary to a decoder - to fully process the contents of the Data Stream. - - Version Numbers as of 10 July 1990 : "87a" - May 1987 - "89a" - July 1989 - - Version numbers are ordered numerically increasing on the first two - digits starting with 87 (87,88,...,99,00,...,85,86) and - alphabetically increasing on the third character (a,...,z). - - iii) Extensions and Scope. The scope of this block is the entire - Data Stream. This block cannot be modified by any extension. - - - - - - - - - - - 8 - - - d. Recommendations. - - i) Signature - This field identifies the beginning of the GIF Data - Stream; it is not intended to provide a unique signature for the - identification of the data. It is recommended that the GIF Data - Stream be identified externally by the application. (Refer to - Appendix G for on-line identification of the GIF Data Stream.) - - ii) Version - ENCODER : An encoder should use the earliest possible - version number that defines all the blocks used in the Data Stream. - When two or more Data Streams are combined, the latest of the - individual version numbers should be used for the resulting Data - Stream. DECODER : A decoder should attempt to process the data - stream to the best of its ability; if it encounters a version - number which it is not capable of processing fully, it should - nevertheless, attempt to process the data stream to the best of its - ability, perhaps after warning the user that the data may be - incomplete. - - -18. Logical Screen Descriptor. - - a. Description. The Logical Screen Descriptor contains the parameters - necessary to define the area of the display device within which the - images will be rendered. The coordinates in this block are given with - respect to the top-left corner of the virtual screen; they do not - necessarily refer to absolute coordinates on the display device. This - implies that they could refer to window coordinates in a window-based - environment or printer coordinates when a printer is used. - - This block is REQUIRED; exactly one Logical Screen Descriptor must be - present per Data Stream. - - b. Required Version. Not applicable. This block is not subject to a - version number. This block must appear immediately after the Header. - - c. Syntax. - - 7 6 5 4 3 2 1 0 Field Name Type - +---------------+ - 0 | | Logical Screen Width Unsigned - +- -+ - 1 | | - +---------------+ - 2 | | Logical Screen Height Unsigned - +- -+ - 3 | | - +---------------+ - 4 | | | | | See below - +---------------+ - 5 | | Background Color Index Byte - +---------------+ - 6 | | Pixel Aspect Ratio Byte - +---------------+ - - - - - - - - - - 9 - - - = Global Color Table Flag 1 Bit - Color Resolution 3 Bits - Sort Flag 1 Bit - Size of Global Color Table 3 Bits - - i) Logical Screen Width - Width, in pixels, of the Logical Screen - where the images will be rendered in the displaying device. - - ii) Logical Screen Height - Height, in pixels, of the Logical - Screen where the images will be rendered in the displaying device. - - iii) Global Color Table Flag - Flag indicating the presence of a - Global Color Table; if the flag is set, the Global Color Table will - immediately follow the Logical Screen Descriptor. This flag also - selects the interpretation of the Background Color Index; if the - flag is set, the value of the Background Color Index field should - be used as the table index of the background color. (This field is - the most significant bit of the byte.) - - Values : 0 - No Global Color Table follows, the Background - Color Index field is meaningless. - 1 - A Global Color Table will immediately follow, the - Background Color Index field is meaningful. - - iv) Color Resolution - Number of bits per primary color available - to the original image, minus 1. This value represents the size of - the entire palette from which the colors in the graphic were - selected, not the number of colors actually used in the graphic. - For example, if the value in this field is 3, then the palette of - the original image had 4 bits per primary color available to create - the image. This value should be set to indicate the richness of - the original palette, even if not every color from the whole - palette is available on the source machine. - - v) Sort Flag - Indicates whether the Global Color Table is sorted. - If the flag is set, the Global Color Table is sorted, in order of - decreasing importance. Typically, the order would be decreasing - frequency, with most frequent color first. This assists a decoder, - with fewer available colors, in choosing the best subset of colors; - the decoder may use an initial segment of the table to render the - graphic. - - Values : 0 - Not ordered. - 1 - Ordered by decreasing importance, most - important color first. - - vi) Size of Global Color Table - If the Global Color Table Flag is - set to 1, the value in this field is used to calculate the number - of bytes contained in the Global Color Table. To determine that - actual size of the color table, raise 2 to [the value of the field - + 1]. Even if there is no Global Color Table specified, set this - field according to the above formula so that decoders can choose - the best graphics mode to display the stream in. (This field is - made up of the 3 least significant bits of the byte.) - - vii) Background Color Index - Index into the Global Color Table for - - - - - - - - 10 - - - the Background Color. The Background Color is the color used for - those pixels on the screen that are not covered by an image. If the - Global Color Table Flag is set to (zero), this field should be zero - and should be ignored. - - viii) Pixel Aspect Ratio - Factor used to compute an approximation - of the aspect ratio of the pixel in the original image. If the - value of the field is not 0, this approximation of the aspect ratio - is computed based on the formula: - - Aspect Ratio = (Pixel Aspect Ratio + 15) / 64 - - The Pixel Aspect Ratio is defined to be the quotient of the pixel's - width over its height. The value range in this field allows - specification of the widest pixel of 4:1 to the tallest pixel of - 1:4 in increments of 1/64th. - - Values : 0 - No aspect ratio information is given. - 1..255 - Value used in the computation. - - d. Extensions and Scope. The scope of this block is the entire Data - Stream. This block cannot be modified by any extension. - - e. Recommendations. None. - - -19. Global Color Table. - - a. Description. This block contains a color table, which is a sequence of - bytes representing red-green-blue color triplets. The Global Color Table - is used by images without a Local Color Table and by Plain Text - Extensions. Its presence is marked by the Global Color Table Flag being - set to 1 in the Logical Screen Descriptor; if present, it immediately - follows the Logical Screen Descriptor and contains a number of bytes - equal to - 3 x 2^(Size of Global Color Table+1). - - This block is OPTIONAL; at most one Global Color Table may be present - per Data Stream. - - b. Required Version. 87a - - - - - - - - - - - - - - - - - - - - - - - 11 - - - c. Syntax. - - 7 6 5 4 3 2 1 0 Field Name Type - +===============+ - 0 | | Red 0 Byte - +- -+ - 1 | | Green 0 Byte - +- -+ - 2 | | Blue 0 Byte - +- -+ - 3 | | Red 1 Byte - +- -+ - | | Green 1 Byte - +- -+ - up | | - +- . . . . -+ ... - to | | - +- -+ - | | Green 255 Byte - +- -+ -767 | | Blue 255 Byte - +===============+ - - - d. Extensions and Scope. The scope of this block is the entire Data - Stream. This block cannot be modified by any extension. - - e. Recommendation. None. - - -20. Image Descriptor. - - a. Description. Each image in the Data Stream is composed of an Image - Descriptor, an optional Local Color Table, and the image data. Each - image must fit within the boundaries of the Logical Screen, as defined - in the Logical Screen Descriptor. - - The Image Descriptor contains the parameters necessary to process a table - based image. The coordinates given in this block refer to coordinates - within the Logical Screen, and are given in pixels. This block is a - Graphic-Rendering Block, optionally preceded by one or more Control - blocks such as the Graphic Control Extension, and may be optionally - followed by a Local Color Table; the Image Descriptor is always followed - by the image data. - - This block is REQUIRED for an image. Exactly one Image Descriptor must - be present per image in the Data Stream. An unlimited number of images - may be present per Data Stream. - - b. Required Version. 87a. - - - - - - - - - - - - - - 12 - - - c. Syntax. - - 7 6 5 4 3 2 1 0 Field Name Type - +---------------+ - 0 | | Image Separator Byte - +---------------+ - 1 | | Image Left Position Unsigned - +- -+ - 2 | | - +---------------+ - 3 | | Image Top Position Unsigned - +- -+ - 4 | | - +---------------+ - 5 | | Image Width Unsigned - +- -+ - 6 | | - +---------------+ - 7 | | Image Height Unsigned - +- -+ - 8 | | - +---------------+ - 9 | | | | | | See below - +---------------+ - - = Local Color Table Flag 1 Bit - Interlace Flag 1 Bit - Sort Flag 1 Bit - Reserved 2 Bits - Size of Local Color Table 3 Bits - - i) Image Separator - Identifies the beginning of an Image - Descriptor. This field contains the fixed value 0x2C. - - ii) Image Left Position - Column number, in pixels, of the left edge - of the image, with respect to the left edge of the Logical Screen. - Leftmost column of the Logical Screen is 0. - - iii) Image Top Position - Row number, in pixels, of the top edge of - the image with respect to the top edge of the Logical Screen. Top - row of the Logical Screen is 0. - - iv) Image Width - Width of the image in pixels. - - v) Image Height - Height of the image in pixels. - - vi) Local Color Table Flag - Indicates the presence of a Local Color - Table immediately following this Image Descriptor. (This field is - the most significant bit of the byte.) - - - Values : 0 - Local Color Table is not present. Use - Global Color Table if available. - 1 - Local Color Table present, and to follow - immediately after this Image Descriptor. - - - - - - - - - 13 - - - vii) Interlace Flag - Indicates if the image is interlaced. An image - is interlaced in a four-pass interlace pattern; see Appendix E for - details. - - Values : 0 - Image is not interlaced. - 1 - Image is interlaced. - - viii) Sort Flag - Indicates whether the Local Color Table is - sorted. If the flag is set, the Local Color Table is sorted, in - order of decreasing importance. Typically, the order would be - decreasing frequency, with most frequent color first. This assists - a decoder, with fewer available colors, in choosing the best subset - of colors; the decoder may use an initial segment of the table to - render the graphic. - - Values : 0 - Not ordered. - 1 - Ordered by decreasing importance, most - important color first. - - ix) Size of Local Color Table - If the Local Color Table Flag is - set to 1, the value in this field is used to calculate the number - of bytes contained in the Local Color Table. To determine that - actual size of the color table, raise 2 to the value of the field - + 1. This value should be 0 if there is no Local Color Table - specified. (This field is made up of the 3 least significant bits - of the byte.) - - d. Extensions and Scope. The scope of this block is the Table-based Image - Data Block that follows it. This block may be modified by the Graphic - Control Extension. - - e. Recommendation. None. - - -21. Local Color Table. - - a. Description. This block contains a color table, which is a sequence of - bytes representing red-green-blue color triplets. The Local Color Table - is used by the image that immediately follows. Its presence is marked by - the Local Color Table Flag being set to 1 in the Image Descriptor; if - present, the Local Color Table immediately follows the Image Descriptor - and contains a number of bytes equal to - 3x2^(Size of Local Color Table+1). - If present, this color table temporarily becomes the active color table - and the following image should be processed using it. This block is - OPTIONAL; at most one Local Color Table may be present per Image - Descriptor and its scope is the single image associated with the Image - Descriptor that precedes it. - - b. Required Version. 87a. - - - - - - - - - - - - - - 14 - - - c. Syntax. - - 7 6 5 4 3 2 1 0 Field Name Type - +===============+ - 0 | | Red 0 Byte - +- -+ - 1 | | Green 0 Byte - +- -+ - 2 | | Blue 0 Byte - +- -+ - 3 | | Red 1 Byte - +- -+ - | | Green 1 Byte - +- -+ - up | | - +- . . . . -+ ... - to | | - +- -+ - | | Green 255 Byte - +- -+ -767 | | Blue 255 Byte - +===============+ - - - d. Extensions and Scope. The scope of this block is the Table-based Image - Data Block that immediately follows it. This block cannot be modified by - any extension. - - e. Recommendations. None. - - -22. Table Based Image Data. - - a. Description. The image data for a table based image consists of a - sequence of sub-blocks, of size at most 255 bytes each, containing an - index into the active color table, for each pixel in the image. Pixel - indices are in order of left to right and from top to bottom. Each index - must be within the range of the size of the active color table, starting - at 0. The sequence of indices is encoded using the LZW Algorithm with - variable-length code, as described in Appendix F - - b. Required Version. 87a. - - c. Syntax. The image data format is as follows: - - 7 6 5 4 3 2 1 0 Field Name Type - +---------------+ - | | LZW Minimum Code Size Byte - +---------------+ - - +===============+ - | | - / / Image Data Data Sub-blocks - | | - +===============+ - - - - - - - - - 15 - - - i) LZW Minimum Code Size. This byte determines the initial number - of bits used for LZW codes in the image data, as described in - Appendix F. - - d. Extensions and Scope. This block has no scope, it contains raster - data. Extensions intended to modify a Table-based image must appear - before the corresponding Image Descriptor. - - e. Recommendations. None. - - -23. Graphic Control Extension. - - a. Description. The Graphic Control Extension contains parameters used - when processing a graphic rendering block. The scope of this extension is - the first graphic rendering block to follow. The extension contains only - one data sub-block. - - This block is OPTIONAL; at most one Graphic Control Extension may precede - a graphic rendering block. This is the only limit to the number of - Graphic Control Extensions that may be contained in a Data Stream. - - b. Required Version. 89a. - - c. Syntax. - - 7 6 5 4 3 2 1 0 Field Name Type - +---------------+ - 0 | | Extension Introducer Byte - +---------------+ - 1 | | Graphic Control Label Byte - +---------------+ - - +---------------+ - 0 | | Block Size Byte - +---------------+ - 1 | | | | | See below - +---------------+ - 2 | | Delay Time Unsigned - +- -+ - 3 | | - +---------------+ - 4 | | Transparent Color Index Byte - +---------------+ - - +---------------+ - 0 | | Block Terminator Byte - +---------------+ - - - = Reserved 3 Bits - Disposal Method 3 Bits - User Input Flag 1 Bit - Transparent Color Flag 1 Bit - - i) Extension Introducer - Identifies the beginning of an extension - - - - - - - - 16 - - - block. This field contains the fixed value 0x21. - - ii) Graphic Control Label - Identifies the current block as a - Graphic Control Extension. This field contains the fixed value - 0xF9. - - iii) Block Size - Number of bytes in the block, after the Block - Size field and up to but not including the Block Terminator. This - field contains the fixed value 4. - - iv) Disposal Method - Indicates the way in which the graphic is to - be treated after being displayed. - - Values : 0 - No disposal specified. The decoder is - not required to take any action. - 1 - Do not dispose. The graphic is to be left - in place. - 2 - Restore to background color. The area used by the - graphic must be restored to the background color. - 3 - Restore to previous. The decoder is required to - restore the area overwritten by the graphic with - what was there prior to rendering the graphic. - 4-7 - To be defined. - - v) User Input Flag - Indicates whether or not user input is - expected before continuing. If the flag is set, processing will - continue when user input is entered. The nature of the User input - is determined by the application (Carriage Return, Mouse Button - Click, etc.). - - Values : 0 - User input is not expected. - 1 - User input is expected. - - When a Delay Time is used and the User Input Flag is set, - processing will continue when user input is received or when the - delay time expires, whichever occurs first. - - vi) Transparency Flag - Indicates whether a transparency index is - given in the Transparent Index field. (This field is the least - significant bit of the byte.) - - Values : 0 - Transparent Index is not given. - 1 - Transparent Index is given. - - vii) Delay Time - If not 0, this field specifies the number of - hundredths (1/100) of a second to wait before continuing with the - processing of the Data Stream. The clock starts ticking immediately - after the graphic is rendered. This field may be used in - conjunction with the User Input Flag field. - - viii) Transparency Index - The Transparency Index is such that when - encountered, the corresponding pixel of the display device is not - modified and processing goes on to the next pixel. The index is - present if and only if the Transparency Flag is set to 1. - - ix) Block Terminator - This zero-length data block marks the end of - - - - - - - - 17 - - the Graphic Control Extension. - - d. Extensions and Scope. The scope of this Extension is the graphic - rendering block that follows it; it is possible for other extensions to - be present between this block and its target. This block can modify the - Image Descriptor Block and the Plain Text Extension. - - e. Recommendations. - - i) Disposal Method - The mode Restore To Previous is intended to be - used in small sections of the graphic; the use of this mode imposes - severe demands on the decoder to store the section of the graphic - that needs to be saved. For this reason, this mode should be used - sparingly. This mode is not intended to save an entire graphic or - large areas of a graphic; when this is the case, the encoder should - make every attempt to make the sections of the graphic to be - restored be separate graphics in the data stream. In the case where - a decoder is not capable of saving an area of a graphic marked as - Restore To Previous, it is recommended that a decoder restore to - the background color. - - ii) User Input Flag - When the flag is set, indicating that user - input is expected, the decoder may sound the bell (0x07) to alert - the user that input is being expected. In the absence of a - specified Delay Time, the decoder should wait for user input - indefinitely. It is recommended that the encoder not set the User - Input Flag without a Delay Time specified. - - -24. Comment Extension. - - a. Description. The Comment Extension contains textual information which - is not part of the actual graphics in the GIF Data Stream. It is suitable - for including comments about the graphics, credits, descriptions or any - other type of non-control and non-graphic data. The Comment Extension - may be ignored by the decoder, or it may be saved for later processing; - under no circumstances should a Comment Extension disrupt or interfere - with the processing of the Data Stream. - - This block is OPTIONAL; any number of them may appear in the Data Stream. - - b. Required Version. 89a. - - - - - - - - - - - - - - - - - - - - - - - 18 - - - c. Syntax. - - 7 6 5 4 3 2 1 0 Field Name Type - +---------------+ - 0 | | Extension Introducer Byte - +---------------+ - 1 | | Comment Label Byte - +---------------+ - - +===============+ - | | - N | | Comment Data Data Sub-blocks - | | - +===============+ - - +---------------+ - 0 | | Block Terminator Byte - +---------------+ - - i) Extension Introducer - Identifies the beginning of an extension - block. This field contains the fixed value 0x21. - - ii) Comment Label - Identifies the block as a Comment Extension. - This field contains the fixed value 0xFE. - - iii) Comment Data - Sequence of sub-blocks, each of size at most - 255 bytes and at least 1 byte, with the size in a byte preceding - the data. The end of the sequence is marked by the Block - Terminator. - - iv) Block Terminator - This zero-length data block marks the end of - the Comment Extension. - - d. Extensions and Scope. This block does not have scope. This block - cannot be modified by any extension. - - e. Recommendations. - - i) Data - This block is intended for humans. It should contain - text using the 7-bit ASCII character set. This block should - not be used to store control information for custom processing. - - ii) Position - This block may appear at any point in the Data - Stream at which a block can begin; however, it is recommended that - Comment Extensions do not interfere with Control or Data blocks; - they should be located at the beginning or at the end of the Data - Stream to the extent possible. - - -25. Plain Text Extension. - - a. Description. The Plain Text Extension contains textual data and the - parameters necessary to render that data as a graphic, in a simple form. - The textual data will be encoded with the 7-bit printable ASCII - characters. Text data are rendered using a grid of character cells - - - - - - - - - 19 - - - defined by the parameters in the block fields. Each character is rendered - in an individual cell. The textual data in this block is to be rendered - as mono-spaced characters, one character per cell, with a best fitting - font and size. For further information, see the section on - Recommendations below. The data characters are taken sequentially from - the data portion of the block and rendered within a cell, starting with - the upper left cell in the grid and proceeding from left to right and - from top to bottom. Text data is rendered until the end of data is - reached or the character grid is filled. The Character Grid contains an - integral number of cells; in the case that the cell dimensions do not - allow for an integral number, fractional cells must be discarded; an - encoder must be careful to specify the grid dimensions accurately so that - this does not happen. This block requires a Global Color Table to be - available; the colors used by this block reference the Global Color Table - in the Stream if there is one, or the Global Color Table from a previous - Stream, if one was saved. This block is a graphic rendering block, - therefore it may be modified by a Graphic Control Extension. This block - is OPTIONAL; any number of them may appear in the Data Stream. - - b. Required Version. 89a. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 20 - - - c. Syntax. - - 7 6 5 4 3 2 1 0 Field Name Type - +---------------+ - 0 | | Extension Introducer Byte - +---------------+ - 1 | | Plain Text Label Byte - +---------------+ - - +---------------+ - 0 | | Block Size Byte - +---------------+ - 1 | | Text Grid Left Position Unsigned - +- -+ - 2 | | - +---------------+ - 3 | | Text Grid Top Position Unsigned - +- -+ - 4 | | - +---------------+ - 5 | | Text Grid Width Unsigned - +- -+ - 6 | | - +---------------+ - 7 | | Text Grid Height Unsigned - +- -+ - 8 | | - +---------------+ - 9 | | Character Cell Width Byte - +---------------+ - 10 | | Character Cell Height Byte - +---------------+ - 11 | | Text Foreground Color Index Byte - +---------------+ - 12 | | Text Background Color Index Byte - +---------------+ - - +===============+ - | | - N | | Plain Text Data Data Sub-blocks - | | - +===============+ - - +---------------+ - 0 | | Block Terminator Byte - +---------------+ - - i) Extension Introducer - Identifies the beginning of an extension - block. This field contains the fixed value 0x21. - - ii) Plain Text Label - Identifies the current block as a Plain Text - Extension. This field contains the fixed value 0x01. - - iii) Block Size - Number of bytes in the extension, after the Block - Size field and up to but not including the beginning of the data - portion. This field contains the fixed value 12. - - - - - - - - 21 - - - iv) Text Grid Left Position - Column number, in pixels, of the left - edge of the text grid, with respect to the left edge of the Logical - Screen. - - v) Text Grid Top Position - Row number, in pixels, of the top edge - of the text grid, with respect to the top edge of the Logical - Screen. - - vi) Image Grid Width - Width of the text grid in pixels. - - vii) Image Grid Height - Height of the text grid in pixels. - - viii) Character Cell Width - Width, in pixels, of each cell in the - grid. - - ix) Character Cell Height - Height, in pixels, of each cell in the - grid. - - x) Text Foreground Color Index - Index into the Global Color Table - to be used to render the text foreground. - - xi) Text Background Color Index - Index into the Global Color Table - to be used to render the text background. - - xii) Plain Text Data - Sequence of sub-blocks, each of size at most - 255 bytes and at least 1 byte, with the size in a byte preceding - the data. The end of the sequence is marked by the Block - Terminator. - - xiii) Block Terminator - This zero-length data block marks the end - of the Plain Text Data Blocks. - - d. Extensions and Scope. The scope of this block is the Plain Text Data - Block contained in it. This block may be modified by the Graphic Control - Extension. - - e. Recommendations. The data in the Plain Text Extension is assumed to be - preformatted. The selection of font and size is left to the discretion of - the decoder. If characters less than 0x20 or greater than 0xf7 are - encountered, it is recommended that the decoder display a Space character - (0x20). The encoder should use grid and cell dimensions such that an - integral number of cells fit in the grid both horizontally as well as - vertically. For broadest compatibility, character cell dimensions should - be around 8x8 or 8x16 (width x height); consider an image for unusual - sized text. - - -26. Application Extension. - - a. Description. The Application Extension contains application-specific - information; it conforms with the extension block syntax, as described - below, and its block label is 0xFF. - - b. Required Version. 89a. - - - - - - - - - - 22 - - - c. Syntax. - - 7 6 5 4 3 2 1 0 Field Name Type - +---------------+ - 0 | | Extension Introducer Byte - +---------------+ - 1 | | Extension Label Byte - +---------------+ - - +---------------+ - 0 | | Block Size Byte - +---------------+ - 1 | | - +- -+ - 2 | | - +- -+ - 3 | | Application Identifier 8 Bytes - +- -+ - 4 | | - +- -+ - 5 | | - +- -+ - 6 | | - +- -+ - 7 | | - +- -+ - 8 | | - +---------------+ - 9 | | - +- -+ - 10 | | Appl. Authentication Code 3 Bytes - +- -+ - 11 | | - +---------------+ - - +===============+ - | | - | | Application Data Data Sub-blocks - | | - | | - +===============+ - - +---------------+ - 0 | | Block Terminator Byte - +---------------+ - - i) Extension Introducer - Defines this block as an extension. This - field contains the fixed value 0x21. - - ii) Application Extension Label - Identifies the block as an - Application Extension. This field contains the fixed value 0xFF. - - iii) Block Size - Number of bytes in this extension block, - following the Block Size field, up to but not including the - beginning of the Application Data. This field contains the fixed - value 11. - - - - - - - - 23 - - - iv) Application Identifier - Sequence of eight printable ASCII - characters used to identify the application owning the Application - Extension. - - v) Application Authentication Code - Sequence of three bytes used - to authenticate the Application Identifier. An Application program - may use an algorithm to compute a binary code that uniquely - identifies it as the application owning the Application Extension. - - - d. Extensions and Scope. This block does not have scope. This block - cannot be modified by any extension. - - e. Recommendation. None. - - -27. Trailer. - - a. Description. This block is a single-field block indicating the end of - the GIF Data Stream. It contains the fixed value 0x3B. - - b. Required Version. 87a. - - c. Syntax. - - 7 6 5 4 3 2 1 0 Field Name Type - +---------------+ - 0 | | GIF Trailer Byte - +---------------+ - - d. Extensions and Scope. This block does not have scope, it terminates - the GIF Data Stream. This block may not be modified by any extension. - - e. Recommendations. None. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 24 - - -Appendix -A. Quick Reference Table. - -Block Name Required Label Ext. Vers. -Application Extension Opt. (*) 0xFF (255) yes 89a -Comment Extension Opt. (*) 0xFE (254) yes 89a -Global Color Table Opt. (1) none no 87a -Graphic Control Extension Opt. (*) 0xF9 (249) yes 89a -Header Req. (1) none no N/A -Image Descriptor Opt. (*) 0x2C (044) no 87a (89a) -Local Color Table Opt. (*) none no 87a -Logical Screen Descriptor Req. (1) none no 87a (89a) -Plain Text Extension Opt. (*) 0x01 (001) yes 89a -Trailer Req. (1) 0x3B (059) no 87a - -Unlabeled Blocks -Header Req. (1) none no N/A -Logical Screen Descriptor Req. (1) none no 87a (89a) -Global Color Table Opt. (1) none no 87a -Local Color Table Opt. (*) none no 87a - -Graphic-Rendering Blocks -Plain Text Extension Opt. (*) 0x01 (001) yes 89a -Image Descriptor Opt. (*) 0x2C (044) no 87a (89a) - -Control Blocks -Graphic Control Extension Opt. (*) 0xF9 (249) yes 89a - -Special Purpose Blocks -Trailer Req. (1) 0x3B (059) no 87a -Comment Extension Opt. (*) 0xFE (254) yes 89a -Application Extension Opt. (*) 0xFF (255) yes 89a - -legend: (1) if present, at most one occurrence - (*) zero or more occurrences - (+) one or more occurrences - -Notes : The Header is not subject to Version Numbers. -(89a) The Logical Screen Descriptor and the Image Descriptor retained their -syntax from version 87a to version 89a, but some fields reserved under version -87a are used under version 89a. - - - - - - - - - - - - - - - - - - - - - - - 25 - - -Appendix -B. GIF Grammar. - -A Grammar is a form of notation to represent the sequence in which certain -objects form larger objects. A grammar is also used to represent the number of -objects that can occur at a given position. The grammar given here represents -the sequence of blocks that form the GIF Data Stream. A grammar is given by -listing its rules. Each rule consists of the left-hand side, followed by some -form of equals sign, followed by the right-hand side. In a rule, the -right-hand side describes how the left-hand side is defined. The right-hand -side consists of a sequence of entities, with the possible presence of special -symbols. The following legend defines the symbols used in this grammar for GIF. - -Legend: <> grammar word - ::= defines symbol - * zero or more occurrences - + one or more occurrences - | alternate element - [] optional element - -Example: - - ::= Header * Trailer - -This rule defines the entity as follows. It must begin with a -Header. The Header is followed by an entity called Logical Screen, which is -defined below by another rule. The Logical Screen is followed by the entity -Data, which is also defined below by another rule. Finally, the entity Data is -followed by the Trailer. Since there is no rule defining the Header or the -Trailer, this means that these blocks are defined in the document. The entity -Data has a special symbol (*) following it which means that, at this position, -the entity Data may be repeated any number of times, including 0 times. For -further reading on this subject, refer to a standard text on Programming -Languages. - - -The Grammar. - - ::= Header * Trailer - - ::= Logical Screen Descriptor [Global Color Table] - - ::= | - - - ::= [Graphic Control Extension] - - ::= | - Plain Text Extension - - ::= Image Descriptor [Local Color Table] Image Data - - ::= Application Extension | - Comment Extension - - - - - - - - - - 26 - - -NOTE : The grammar indicates that it is possible for a GIF Data Stream to -contain the Header, the Logical Screen Descriptor, a Global Color Table and the -GIF Trailer. This special case is used to load a GIF decoder with a Global -Color Table, in preparation for subsequent Data Streams without color tables at -all. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 27 - - -Appendix -C. Glossary. - -Active Color Table - Color table used to render the next graphic. If the next -graphic is an image which has a Local Color Table associated with it, the -active color table becomes the Local Color Table associated with that image. -If the next graphic is an image without a Local Color Table, or a Plain Text -Extension, the active color table is the Global Color Table associated with the -Data Stream, if there is one; if there is no Global Color Table in the Data -Stream, the active color table is a color table saved from a previous Data -Stream, or one supplied by the decoder. - -Block - Collection of bytes forming a protocol unit. In general, the term -includes labeled and unlabeled blocks, as well as Extensions. - -Data Stream - The GIF Data Stream is composed of blocks and sub-blocks -representing images and graphics, together with control information to render -them on a display device. All control and data blocks in the Data Stream must -follow the Header and must precede the Trailer. - -Decoder - A program capable of processing a GIF Data Stream to render the -images and graphics contained in it. - -Encoder - A program capable of capturing and formatting image and graphic -raster data, following the definitions of the Graphics Interchange Format. - -Extension - A protocol block labeled by the Extension Introducer 0x21. - -Extension Introducer - Label (0x21) defining an Extension. - -Graphic - Data which can be rendered on the screen by virtue of some algorithm. -The term graphic is more general than the term image; in addition to images, -the term graphic also includes data such as text, which is rendered using -character bit-maps. - -Image - Data representing a picture or a drawing; an image is represented by an -array of pixels called the raster of the image. - -Raster - Array of pixel values representing an image. - - - - - - - - - - - - - - - - - - - - - - - - - 28 - - -Appendix -D. Conventions. - -Animation - The Graphics Interchange Format is not intended as a platform for -animation, even though it can be done in a limited way. - -Byte Ordering - Unless otherwise stated, multi-byte numeric fields are ordered -with the Least Significant Byte first. - -Color Indices - Color indices always refer to the active color table, either -the Global Color Table or the Local Color Table. - -Color Order - Unless otherwise stated, all triple-component RGB color values -are specified in Red-Green-Blue order. - -Color Tables - Both color tables, the Global and the Local, are optional; if -present, the Global Color Table is to be used with every image in the Data -Stream for which a Local Color Table is not given; if present, a Local Color -Table overrides the Global Color Table. However, if neither color table is -present, the application program is free to use an arbitrary color table. If -the graphics in several Data Streams are related and all use the same color -table, an encoder could place the color table as the Global Color Table in the -first Data Stream and leave subsequent Data Streams without a Global Color -Table or any Local Color Tables; in this way, the overhead for the table is -eliminated. It is recommended that the decoder save the previous Global Color -Table to be used with the Data Stream that follows, in case it does not contain -either a Global Color Table or any Local Color Tables. In general, this allows -the application program to use past color tables, significantly reducing -transmission overhead. - -Extension Blocks - Extensions are defined using the Extension Introducer code -to mark the beginning of the block, followed by a block label, identifying the -type of extension. Extension Codes are numbers in the range from 0x00 to 0xFF, -inclusive. Special purpose extensions are transparent to the decoder and may be -omitted when transmitting the Data Stream on-line. The GIF capabilities -dialogue makes the provision for the receiver to request the transmission of -all blocks; the default state in this regard is no transmission of Special -purpose blocks. - -Reserved Fields - All Reserved Fields are expected to have each bit set to zero -(off). - - - - - - - - - - - - - - - - - - - - - - - 29 - - -Appendix -E. Interlaced Images. - -The rows of an Interlaced images are arranged in the following order: - - Group 1 : Every 8th. row, starting with row 0. (Pass 1) - Group 2 : Every 8th. row, starting with row 4. (Pass 2) - Group 3 : Every 4th. row, starting with row 2. (Pass 3) - Group 4 : Every 2nd. row, starting with row 1. (Pass 4) - -The Following example illustrates how the rows of an interlaced image are -ordered. - - Row Number Interlace Pass - - 0 ----------------------------------------- 1 - 1 ----------------------------------------- 4 - 2 ----------------------------------------- 3 - 3 ----------------------------------------- 4 - 4 ----------------------------------------- 2 - 5 ----------------------------------------- 4 - 6 ----------------------------------------- 3 - 7 ----------------------------------------- 4 - 8 ----------------------------------------- 1 - 9 ----------------------------------------- 4 - 10 ----------------------------------------- 3 - 11 ----------------------------------------- 4 - 12 ----------------------------------------- 2 - 13 ----------------------------------------- 4 - 14 ----------------------------------------- 3 - 15 ----------------------------------------- 4 - 16 ----------------------------------------- 1 - 17 ----------------------------------------- 4 - 18 ----------------------------------------- 3 - 19 ----------------------------------------- 4 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 30 - - -Appendix -F. Variable-Length-Code LZW Compression. - -The Variable-Length-Code LZW Compression is a variation of the Lempel-Ziv -Compression algorithm in which variable-length codes are used to replace -patterns detected in the original data. The algorithm uses a code or -translation table constructed from the patterns encountered in the original -data; each new pattern is entered into the table and its index is used to -replace it in the compressed stream. - -The compressor takes the data from the input stream and builds a code or -translation table with the patterns as it encounters them; each new pattern is -entered into the code table and its index is added to the output stream; when a -pattern is encountered which had been detected since the last code table -refresh, its index from the code table is put on the output stream, thus -achieving the data compression. The expander takes input from the compressed -data stream and builds the code or translation table from it; as the compressed -data stream is processed, codes are used to index into the code table and the -corresponding data is put on the decompressed output stream, thus achieving -data decompression. The details of the algorithm are explained below. The -Variable-Length-Code aspect of the algorithm is based on an initial code size -(LZW-initial code size), which specifies the initial number of bits used for -the compression codes. When the number of patterns detected by the compressor -in the input stream exceeds the number of patterns encodable with the current -number of bits, the number of bits per LZW code is increased by one. - -The Raster Data stream that represents the actual output image can be -represented as: - - 7 6 5 4 3 2 1 0 - +---------------+ - | LZW code size | - +---------------+ - - +---------------+ ----+ - | block size | | - +---------------+ | - | | +-- Repeated as many - | data bytes | | times as necessary. - | | | - +---------------+ ----+ - - . . . . . . ------- The code that terminates the LZW - compressed data must appear before - Block Terminator. - +---------------+ - |0 0 0 0 0 0 0 0| Block Terminator - +---------------+ - -The conversion of the image from a series of pixel values to a transmitted or -stored character stream involves several steps. In brief these steps are: - -1. Establish the Code Size - Define the number of bits needed to represent the -actual data. - -2. Compress the Data - Compress the series of image pixels to a series of - - - - - - - - 31 - - -compression codes. - -3. Build a Series of Bytes - Take the set of compression codes and convert to a -string of 8-bit bytes. - -4. Package the Bytes - Package sets of bytes into blocks preceded by character -counts and output. - -ESTABLISH CODE SIZE - -The first byte of the Compressed Data stream is a value indicating the minimum -number of bits required to represent the set of actual pixel values. Normally -this will be the same as the number of color bits. Because of some algorithmic -constraints however, black & white images which have one color bit must be -indicated as having a code size of 2. -This code size value also implies that the compression codes must start out one -bit longer. - -COMPRESSION - -The LZW algorithm converts a series of data values into a series of codes which -may be raw values or a code designating a series of values. Using text -characters as an analogy, the output code consists of a character or a code -representing a string of characters. - -The LZW algorithm used in GIF matches algorithmically with the standard LZW -algorithm with the following differences: - -1. A special Clear code is defined which resets all compression/decompression -parameters and tables to a start-up state. The value of this code is 2**. For example if the code size indicated was 4 (image was 4 bits/pixel) -the Clear code value would be 16 (10000 binary). The Clear code can appear at -any point in the image data stream and therefore requires the LZW algorithm to -process succeeding codes as if a new data stream was starting. Encoders should -output a Clear code as the first code of each image data stream. - -2. An End of Information code is defined that explicitly indicates the end of -the image data stream. LZW processing terminates when this code is encountered. -It must be the last code output by the encoder for an image. The value of this -code is +1. - -3. The first available compression code value is +2. - -4. The output codes are of variable length, starting at +1 bits per -code, up to 12 bits per code. This defines a maximum code value of 4095 -(0xFFF). Whenever the LZW code value would exceed the current code length, the -code length is increased by one. The packing/unpacking of these codes must then -be altered to reflect the new code length. - -BUILD 8-BIT BYTES - -Because the LZW compression used for GIF creates a series of variable length -codes, of between 3 and 12 bits each, these codes must be reformed into a -series of 8-bit bytes that will be the characters actually stored or -transmitted. This provides additional compression of the image. The codes are -formed into a stream of bits as if they were packed right to left and then - - - - - - - - 32 - - -picked off 8 bits at a time to be output. - -Assuming a character array of 8 bits per character and using 5 bit codes to be -packed, an example layout would be similar to: - - - +---------------+ - 0 | | bbbaaaaa - +---------------+ - 1 | | dcccccbb - +---------------+ - 2 | | eeeedddd - +---------------+ - 3 | | ggfffffe - +---------------+ - 4 | | hhhhhggg - +---------------+ - . . . - +---------------+ - N | | - +---------------+ - - -Note that the physical packing arrangement will change as the number of bits -per compression code change but the concept remains the same. - -PACKAGE THE BYTES - -Once the bytes have been created, they are grouped into blocks for output by -preceding each block of 0 to 255 bytes with a character count byte. A block -with a zero byte count terminates the Raster Data stream for a given image. -These blocks are what are actually output for the GIF image. This block format -has the side effect of allowing a decoding program the ability to read past the -actual image data if necessary by reading block counts and then skipping over -the data. - - - -FURTHER READING - -[1] Ziv, J. and Lempel, A. : "A Universal Algorithm for Sequential Data -Compression", IEEE Transactions on Information Theory, May 1977. -[2] Welch, T. : "A Technique for High-Performance Data Compression", Computer, -June 1984. -[3] Nelson, M.R. : "LZW Data Compression", Dr. Dobb's Journal, October 1989. - - - - - - - - - - - - - - - - - - - 33 - - -Appendix -G. On-line Capabilities Dialogue. - -NOTE : This section is currently (10 July 1990) under revision; the information -provided here should be used as general guidelines. Code written based on this -information should be designed in a flexible way to accommodate any changes -resulting from the revisions. - -The following sequences are defined for use in mediating control between a GIF -sender and GIF receiver over an interactive communications line. These -sequences do not apply to applications that involve downloading of static GIF -files and are not considered part of a GIF file. - -GIF CAPABILITIES ENQUIRY - -The GIF Capabilities Enquiry sequence is issued from a host and requests an -interactive GIF decoder to return a response message that defines the graphics -parameters for the decoder. This involves returning information about available -screen sizes, number of bits/color supported and the amount of color detail -supported. The escape sequence for the GIF Capabilities Enquiry is defined as: - -ESC[>0g 0x1B 0x5B 0x3E 0x30 0x67 - -GIF CAPABILITIES RESPONSE - -The GIF Capabilities Response message is returned by an interactive GIF decoder -and defines the decoder's display capabilities for all graphics modes that are -supported by the software. Note that this can also include graphics printers as -well as a monitor screen. The general format of this message is: - -#version;protocol{;dev, width, height, color-bits, color-res}... - - -'#' GIF Capabilities Response identifier character. -version GIF format version number; initially '87a'. -protocol='0' No end-to-end protocol supported by decoder Transfer as direct - 8-bit data stream. -protocol='1' Can use CIS B+ error correction protocol to transfer GIF data - interactively from the host directly to the display. -dev = '0' Screen parameter set follows. -dev = '1' Printer parameter set follows. -width Maximum supported display width in pixels. -height Maximum supported display height in pixels. -color-bits Number of bits per pixel supported. The number of supported - colors is therefore 2**color-bits. -color-res Number of bits per color component supported in the hardware - color palette. If color-res is '0' then no hardware palette - table is available. - -Note that all values in the GIF Capabilities Response are returned as ASCII -decimal numbers and the message is terminated by a Carriage Return character. - -The following GIF Capabilities Response message describes three standard IBM PC -Enhanced Graphics Adapter configurations with no printer; the GIF data stream - - - - - - - - - - 34 - - -can be processed within an error correcting protocol: - -#87a;1;0,320,200,4,0;0,640,200,2,2;0,640,350,4,2 - -ENTER GIF GRAPHICS MODE - -Two sequences are currently defined to invoke an interactive GIF decoder into -action. The only difference between them is that different output media are -selected. These sequences are: - -ESC[>1g Display GIF image on screen - - 0x1B 0x5B 0x3E 0x31 0x67 - -ESC[>2g Display image directly to an attached graphics printer. The image may -optionally be displayed on the screen as well. - - 0x1B 0x5B 0x3E 0x32 0x67 - -Note that the 'g' character terminating each sequence is in lowercase. - -INTERACTIVE ENVIRONMENT - -The assumed environment for the transmission of GIF image data from an -interactive application is a full 8-bit data stream from host to micro. All -256 character codes must be transferrable. The establishing of an 8-bit data -path for communications will normally be taken care of by the host application -programs. It is however up to the receiving communications programs supporting -GIF to be able to receive and pass on all 256 8-bit codes to the GIF decoder -software. - - diff --git a/giflib-4.1.6/doc/gif_lib.html b/giflib-4.1.6/doc/gif_lib.html deleted file mode 100644 index df2ada4..0000000 --- a/giflib-4.1.6/doc/gif_lib.html +++ /dev/null @@ -1,713 +0,0 @@ - - - -gif_lib - - - -Go to index page. - -

The GIFLIB Library

- -
-Gershon Elber, May 1991
-Eric S. Raymond, Sep 1992
-Toshio Kuratomi, May 2004
-
- -The Graphics Interchange Format(c) is the Copyright property of -CompuServe Incorporated. GIF(sm) is a Service Mark property of CompuServe -Incorporated.

- -Gershon wrote: "This library was written because I couldn't find -anything similar and I wanted one. I was inspired by the RLE Utah tool kit, -which I hoped to port to an IBM PC, but found it to be too machine specific, -and its compression ratio too low. I compromised on the GIF format, but I am -not sure how long 8 bits per pixel will be enough."

- -This document explains the GIF library code in directory `lib'. The -code is collected into libgif.a which is used in all the utilities in -`util'. It can be used in any application needs to read/write the GIF -file format. This document does not explain the GIF file -format and assumes you know it, at least to the level of the GIF file -structure.

- -When a GIF file is opened, a GIF file descriptor is created which -is a pointer to GifFileType structure as follows:

- -


-typedef struct GifFileType {
-    int SWidth, SHeight,			       /* Screen dimensions. */
-	SColorResolution, 		 /* How many colors can we generate? */
-	SBackGroundColor;		/* I hope you understand this one... */
-    ColorMapObject *SColorMap;			      /* NULL if not exists. */
-    int ImageCount;				  /* Number of current image */
-    GifImageDesc Image;			   /* Block describing current image */
-    struct SavedImage *SavedImages;	/* Use this to accumulate file state */
-    VoidPtr Private;	  /* The regular user should not mess with this one! */
-} GifFileType;
-
- -This structure was copied from gif_lib.h - the header file for the GIF -library. Any application program that uses the libgif.a library should -include it. Members beginning with S refer to GIF Screen; others hold -properties of the current image (a GIF file may have more than one image) -or point to allocated store used by various routines.

- -The user almost never writes into this structure (exception: it may -occasionally useful to alter things in the SavedImages array), but can read -any of these items at any time it is valid (image information is invalid -until first image was read/write).

- -As the library needs to keep its own internal data, a Private pointer -to hidden data is included. Applications should ignore this item.

- -The library has no static data. This means that it is fully reentrant -and any number of GIF files (up to memory limits) can be opened for -read/write. Instead of the static data, internal structure pointed by the -Private pointer is used.

- -The library allocates its own memory dynamically, on opening of files, -and releases that once closed. The user is never required to allocate -any memory for any of the functions of this library nor to free them -directly.

- -In order to reduce disk access, the file buffer is increased to -FILE_BUFFER_SIZE (defined in gif_lib.h). The library was compiled in large -model on the PC as the memory allocated per file is quite big: about 17k for -decoding (DGIF_LIB.C), and 32k for encoding (EGIF_LIB.C), excluding the -FILE_BUFFER_SIZE.

- -Here is a module summary:

- -

-
egif_lib.c
Encoding routines, all prefixed with E.

- -

dgif_lib.c
Decoding routines, all prefixed with D.

- -

dev2gif.c
Routines to convert specific device buffers into GIF files.

- -

gifalloc.c
Routines for colormap handling and GIF record allocation.

- -

gif_font.c
The 8x8 font table for the GIF utility font.

- -

gif_err.c
Error handler for the library.

-

- -The library includes a sixth file of hash-function code which is accessed -internally only.

- -

Most of the routines return GIF_ERROR (see gif_lib.h) if something -went wrong, GIF_OK otherwise. After an error return, the code in the -gif_err.c module can be used to do something about it.

- -In addition, a module to parse command line arguments is supplied. -This module is called getarg.c and its headers are in getarg.h. See the header -of getarg.c for details on its usage.

- -

Decoding (dgif_lib.c)

- -The following functions are used to set up input from a GIF:

- -


-GifFileType *DGifOpenFileName(char *GifFileName)
-
- -Open a new GIF file using the given GifFileName, and read its Screen -information. - - -If any error occurs, NULL is returned and the error handler can be -used to get the exact error (see gif_err.c). - - -The file is opened in binary mode, and its buffer size is set to -FILE_BUFFER_SIZE bytes. - - -

-GifFileType *DGifOpenFileHandle(int GifFileHandle)
-
- -Open a new GIF file using the given GifFileHandle, and read its Screen -information.

- -If any error occurs, NULL is returned and the error handler can be -used to get the exact error (see gif_err.c).

- -The file is opened in binary mode, and its buffer size is set to -FILE_BUFFER_SIZE bytes.

- -Once you have acquired a handle on a GIF, there are two ways to read it in. -The high-level function - -


-int DGifSlurp(GifFileType)
-
- -reads the rest of a complete (possibly multi-image) GIF file from the -indicated file handle into in-core allocated structures. It returns -GIF_OK on success, GIF_ERROR on failure.

- -Once you have done this, all image, raster, and extension-block data in the -GIF is accessable in the SavedImages member (see the structures in fif_lib.h). -When you have modified the image to taste, write it out with EGifSpew().

- -If you are handling large images on a memory-limited machine, you may need -to use the following functions for sequential read.

- -


-int DGifGetScreenDesc(GifFileType *GifFile)
-
- -Reads the screen information into the GifFile structure. Note this -routine is automatically called once a file is opened, and therefore -usually need not be called explicitly.

- -Returns GIF_ERROR if something went wrong, GIF_OK otherwise.

- -


-int DGifGetRecordType(GifFileType *GifFile, GifRecordType *GifType)
-
- -As the GIF file can have different records in arbitrary order, this -routine should be called once the file was open to detect the next -record type, and act upon it. It can return these types in GifType:

- -

-
1. UndefinedRecordType
something is wrong!

- -

2. ScreenDescRecordType
screen information. As the screen info - is automatically read in when the file is open, this should - not happen.

- -

3. ImageDescRecordType
next record is an image descriptor.

- -

4. ExtensionRecordType
next record is extension block.

- -

5. TerminateRecordType
last record reached, can close the file.

-

-The first two types can usually be ignored. The function -returns GIF_ERROR if something went wrong, GIF_OK otherwise. - -

-int DGifGetImageDesc(GifFileType *GifFile)
-
- -Reads image information into the GifFile structure. -Returns GIF_ERROR if something went wrong, GIF_OK otherwise.

- -


-int DGifGetLine(GifFileType *GifFile, PixelType *GifLine, int GifLineLen)
-
- -Load a block of pixels from the GIF file. The line can be -of any length. More than that, this routine may be interleaved with -DGifGetPixel until all pixels have been read.

- -Returns GIF_ERROR if something went wrong, GIF_OK otherwise.

- -

-int DGifGetPixel(GifFileType *GifFile, PixelType GifPixel)
-
- -Loads one pixel from the GIF file. This routine may be interleaved -with DGifGetLine, until all pixels are -read. Because of the overhead per each call, use of this routine is -not recommended.

- -Returns GIF_ERROR if something went wrong, GIF_OK otherwise.

- -


-int DGifGetComment(GifFileType *GifFile, char *GifComment)
-
- -Load a comment from the GIF file. Because DGifGetRecordType will -only tell if the record is of type extension, this routine should be -called iff it is known %100 that is must be a comment.

- -For the definition of a comment, see EGifPutComment. Returns GIF_ERROR if -something went wrong, GIF_OK otherwise.

- -


-int DGifGetExtension(
-        GifFileType *GifFile,
-        int *GifExtCode,
-        ByteType **GifExtension)
-
- -Loads an extension block from the GIF file. Extension blocks -are optional in GIF files. This routine should be followed by -DGifGetExtensionNext.

- -Returns GIF_ERROR if something went wrong, GIF_OK otherwise.

- -


-int DGifGetExtensionNext(GifFileType *GifFile, ByteType **GifExtension)
-
- -As extensions may contain more than one block, use this routine to -continue after DGifGetExtension, until *GifExtension is NULL.

- -Returns GIF_ERROR if something went wrong, GIF_OK otherwise.

- - -


-int DGifGetCode(
-        GifFileType *GifFile, 
-        int *GifCodeSize, ByteType **GifCodeBlock)
-
- -It sometimes may be desired to read the compressed code as is -without decoding it. This routine does exactly that (with -DGifGetCodeNext), and can be used instead of DGifGetLine.

- -This compressed code information can be written out using the -EGifPutCode/EGifPutCodeNext sequence (see gifpos.c for example). -Returns GIF_ERROR if something went wrong, GIF_OK otherwise.

- -


-int DGifGetCodeNext(GifFileType *GifFile, ByteType **GifCodeBlock)
-
- -See DGifGetCode above.

- -


-int DGifGetLZCodes(GifFileType *GifFile, int *GifCode)
-
- -This routine can be called instead of DGifGetLine/DGifGetPixel or -DGifGetCode/DGifGetCodeNext to get the 12 bits LZ codes of the images. -It will be used mainly for debugging purposes (see GifText.c for -example).

- -Returns GIF_ERROR if something went wrong, GIF_OK otherwise.

- -


-int DGifCloseFile(GifFileType *GifFile)
-
- -Close GIF file and free all memory allocated for it. GifFile should -not be used after this routine has been called.

- -Returns GIF_ERROR if something went wrong, GIF_OK otherwise.

- -

Encoding (egif_lib.c)

- -There are two ways to write out a GIF. The high-level function

- -

-int EGifSpew(GifFileType *GifFile, int GifFileHandle)
-
- -Writes a complete (possibly multi-image) GIF file to the indicated file -handle from in-core allocated structures created by a previous DGifSlurp() -or equivalent operations. Its arguments are a GIF file descriptor (as -above) and an ordinary output file descriptor.

- -The file is written with a GIF87 stamp unless it contains one of the four -special extension blocks defined in GIF89, in which case it is written -with a GIF89 stamp.

- -If you are handling large images on a memory-limited machine, you may need -to use the following functions for sequential write.

- -


-GifFileType *EGifOpenFileName(char *GifFileName, int GifTestExistance)
-
- -Open a new GIF file using the given GifFileName. If GifTestExistance -is TRUE, and file exists, the file is not destroyed, and NULL -returned.

- -If any error occurs, NULL is returned and the error handler can be -used to get the exact error (see gif_err.c).

- -The file is opened in binary mode, and its buffer size is set to -FILE_BUFFER_SIZE bytes.

- -


-GifFileType *EGifOpenFileHandle(int GifFileHandle)
-
- -Open a new GIF file using the given GifFileHandle.

- -If any error occurs, NULL is returned and the error handler can be -used to get the exact error (see gif_err.c).

- -The file is opened in binary mode, and its buffer size is set to -FILE_BUFFER_SIZE bytes.

- -


-void EGifSetGifVersion(char *Version)
-
- -Sets the GIF version of all files opened, until another call to this -routine is made. Version is a 3 characters string of the form "87a" -or "89a". No test is made to validate this string.

- -


-int EGifPutScreenDesc(GifFileType *GifFile,
-        int GifWidth, int GifHeight,
-        int GifColorRes, int GifBackGround,
-        ColorMapObject *GifColorMap)
-
- -Update the GifFile Screen parameters, in GifFile structure and in -the real file. If error occurs, returns GIF_ERROR (see gif_lib.h), -otherwise GIF_OK.

- -This routine should be called immediately after the GIF file was -opened.

- -


-int EGifPutImageDesc(GifFileType *GifFile,
-        int GifLeft, int GifTop,
-        int Width, int GifHeight,
-        int GifInterlace,
-        ColorMapObject *GifColorMap)
-
- -Update GifFile Image parameters, in GifFile structure and in the real -file. if error occurs returns GIF_ERROR (see gif_lib.h), otherwise -GIF_OK.

- -This routine should be called each time a new image must be -dumped to the file.

- -


-int EGifPutLine(GifFileType *GifFile, PixelType *GifLine, int GifLineLen)
-
- -Dumps a block of pixels out to the GIF file. The slab can be -of any length. More than that, this routine may be interleaved with -, until all pixels have been sent.

- -Returns GIF_ERROR if something went wrong, GIF_OK otherwise.

- -


-int EGifPutPixel(GifFileType *GifFile, PixelType GifPixel)
-
- -Dumps one pixel to the GIF file. This routine may be interleaved with -EGifPutLine, until all pixels were sent. -Because of the overhead for each call, use of this routine is not -recommended.

- -Returns GIF_ERROR if something went wrong, GIF_OK otherwise.

- -


-int EGifPutComment(GifFileType *GifFile, char *GifComment)
-
- -Uses extension GIF records to save a string as a comment is the file. -The extension code is 'C' (for Comment).

- -Returns GIF_ERROR if something went wrong, GIF_OK otherwise.

- -


-int EGifPutExtension(
-        GifFileType *GifFile,
-        int GifExtCode,
-        int GifExtLen,
-        void *GifExtension)
-
- -Dumps the given extension block into the GIF file. Extension blocks -are optional in GIF file. Extension blocks of more than 255 bytes or -more than one block are not supported in this function. Please use -EGifPutExtensionFirst, EGifPutExtensionNext, and EGifPutExtensionLast -if your extension blocks may fall into this category.

- -Returns GIF_ERROR if something went wrong, GIF_OK otherwise.

- -


-int EGifPutExtensionFirst(
-        GifFileType * GifFile,
-        int GifExtCode,
-        int GifExtLen,
-        const VoidPtr GifExtension)
-
-Dumps the beginning of a GIF extension block to a GIF file. Extension blocks -are optional in GIF files. This function outputs the meta information -necessary to a GIF extension block and the extension data described in the -GifExtension argument.

- -Further blocks of the GIF Extension should be dumped using -EGifPutExtensionNext. When finished with this extension block, -EGifPutExtensionLast should be called to output the block termination.

- -Returns GIF_ERROR if something went wrong, GIF_OK otherwise.

- -


-int EGifPutExtensionNext(
-        GifFileType * GifFile,
-        int GifExtCode,
-        int GifExtLen,
-        const VoidPtr GifExtension)
-
-Dumps a subblock of a GIF extension to a GIF File. Extension blocks are -optional in GIF files. This function will write the Extension Data in -GifExtension to the file as a subblock of the preceding Extension Block. -Repeat calling of this function until all data subblocks have been output.

- -Note that EGifPutExtensionFirst needs to be called before any calls to this -function. EGifPutExtensionLast should be called to finish the Extension -block after all data subblocks have been output.

- -Returns GIF_ERROR if something went wrong, GIF_OK otherwise.

- -


-int EGifPutExtensionLast(
-        GifFileType * GifFile,
-        int GifExtCode,
-        int GifExtLen,
-        const VoidPtr GifExtension)
-
-Dumps an optional GIF extension data subblock and the GIF extension block -terminator to a GIF File. Extension blocks are optional in GIF files. This -function will write the Extension Data in GifExtension to the file as a -subblock of the preceding Extension Block. Then it will output the GIF -extension block terminator to end the current Extension block. As a special -case, if GifExtLen is zero, the function will assume there isn't another -data block to output and will simply write the block terminator.

- -Note that a call to EGifPutExtensionFirst is needed to open the GIF -Extension Block prior to calling this function.

- -Returns GIF_ERROR if something went wrong, GIF_OK otherwise.

- -


-int EGifPutCode(
-        GifFileType *GifFile,
-        int *GifCodeSize,
-        ByteType **GifCodeBlock)
-
- -It sometimes may be desired to write the compressed code as is -without decoding it. For example a filter for a GIF file that change -only screen size (GifPos), does not need the exact pixel values. -Piping out the compressed image as is makes this process much -faster.

- -This routine does exactly that (with EGifPutCodeNext), and can be -used instead of EGifPutLine. You'll usually use this with the -DGifGetCode/DgifGetCodeNext routines, which reads the compressed -code, while EGifPutCode/EGifPutCodeNext write it out. See gifpos.c -for example.

- -Returns GIF_ERROR if something went wrong, GIF_OK otherwise.

- -


-int EGifPutCodeNext(GifFileType *GifFile, ByteType **GifCodeBlock)
-
- -See EGifPutCode above.

- -


-int EGifCloseFile(GifFileType *GifFile)
-
- -Close a GIF file and free all memory allocated for it. gif-file$ -should not be used, once this routine was called.

- -Returns GIF_ERROR if something went wrong, GIF_OK otherwise.

- -

Color map handling and allocation routines

- -

-ColorMapObject *MakeMapObject(int ColorCount, GifColorType *ColorMap)
-
- -Allocate storage for a color map object with the given number of -RGB triplet slots. If the second argument is non-NULL, initialize -the color table portion of the new map from it. Returns NULL if -memory is exhausted or if the size is not a power of 2 <= 256.

- -


-void FreeMapObject(ColorMapObject *Object)
-
- -Free the storage occupied by a ColorMapObject that is no longer needed.

- -


-ColorMapObject *UnionColorMap(
-        ColorMapObject *ColorIn1, ColorMapObject *ColorIn2,
-        GifPixelType ColorTransIn2[])
-
- -Create the union of two given color maps and return it. If the result -won't fit into 256 colors, NULL is returned, the allocated union -otherwise. ColorIn1 is copied as it to ColorUnion, while colors from -ColorIn2 are copied iff they didn't exist before. ColorTransIn2 maps -the old ColorIn2 into ColorUnion color map table.

- -


-SavedImage *GifAttachImage(GifFileType *GifFile)
-
- -Add an image block to the SavedImages array. The image block is -initially zeroed out. This image block will be seen by any following -EGifSpew() calls. - - -

The GIF Utility Font

- -The 8x8 utility font used in text2gif and gifcolor lives in the library -module gif_font.c, in a table called AsciiTable. The library header file -includes suitable externs and defines.

- -The GIF utility font support includes entry points for drawing legends -on in-core images, drawing boxes and rectangles, and boxing text. -These entry points are as follows:

- -


-void DrawText(
-        SavedImage *Image,
-        const int x, const int y,
-        const char *legend,
-        const int color)
-
- -Draw text using the 8x8 utility font on the saved image. Upper left -corner of the text is at image pixel (x, y). Use the specified -color index.

- -


-void DrawBox(SavedImage *Image,
-        const int x, const int y,
-        const int w, const int h,
-        const int color)
-
- -Draw a box on the saved image. Upper left corner of the box is at -image pixels (x, y), width is w, height is h. Use the specified color -index.

- -


-void DrawRectangle(SavedImage *Image,
-        const int x, const int y,
-        const int w, const int h,
-        const int color)
-
- -Draw a (filled) rectangle on the saved image. Upper left corner of -the box is at image pixels (x, y), width is w, height is h. Use the -specified color index.

- -


-void DrawBoxedText(SavedImage *Image,
-        const int x, const int y,
-        const char *legend,
-        const int border,
-        const int bg, const int fg)
-
- -Draw text on a filled rectangle. The rectangle will be sized to fit -the text, with upper left hand corner at (x, y) on the saved image. -The `border' argument specifies a pixel margin around the text. The -`bg' argument is the color table index to fill the rectangle with; -`fg' is the color table index to draw the text with.

- -This function interprets some characters in the legend string -specially. A tab (\t) is interpreted as a command to center the -following text in the box. A carriage return (\r) is interpreted -as a request for a line break.

- -

Error Handling (egif_lib.c)

- -

-void PrintGifError(void)
-
- -Print a one-line diagnostic on the last giflib error to stderr.

- -


-int GifLastError(void)
-
- -Return the number of the last giflib error, and clear the error. -The error types are defined in gif_lib.h.

- -Note it is the user's responsibility to call the file closing -routine, so the file will be closed (if was opened), and allocated -memory will be released.

- -

Device Specific (XXX2gif.c)

- -

-int DumpScreen2Gif(char *FileName, int ReqGraphDriver, int ReqGraphMode1,
-						       int ReqGraphMode2)
-
- -Dumps the whole device buffer as specified by GraphDriver and -GraphMode (as defined in TC 2.0 graphics.h) into FileName as GIF file. -Current devices supported:

- -

-	1. Hercules.
-
-	2. EGA, EGA64, EGAMONO (all modes - see TC graphics.h).
-
-	3. VGA (all modes - see TC graphics.h).
-
-	4. SVGA_SPECIAL. This mode is special and not supported by Borland
-	   graphics.h. ReqGraphDriver must be equal to 999, and ReqGraphMode
-	   is ignored. This modes assumes 800 by 600 in 16 colors.
-	  Returns GIF_ERROR if something went wrong, GIF_OK otherwise.
-
-	5. SGI 4D using gl graphic library - window dump.
-
-	6. X11 window dump.
-
- - -

Command Line Parsing

- -

-int GAGetArgs(int argc, char **argv, char *CtrlStr, ...)
-
- -Main routine of this module. Given argc & argv as received by -the main procedure, the command line CtrlStr, and the addresses of -all parameters, parse the command line, and update the parameters.

- -The CtrlStr defines what types of variables should follow. Look at the -beginning of getarg.c for exact usage.

- -Returns 0 if successful, error number (as defined by getarg.h) otherwise.

- -


-void GAPrintErrMsg(int Error)
-
- -If an error occurred in GAGetARgs, this routine may be used to print -one line diagnostic to stderr.

- -


-void GAPrintHowTo(char *CtrlStr)
-
- -Given the same CtrlStr as for GAGetArgs, can be used to print a one line -'how to use'.

- -

Skeletons of GIF filters

- -If you are developing on a virtual-memory OS such as most flavors of -UNIX, or are otherwise sure of having enough memory to keep all of GIFs you -need to operate in core, writing a filter is trivial. See the file -gifspnge.c in util.

- -A sequential filter skeleton will usually look like the example file -giffiltr.c in util.

- -

Please look at the utilities in the util directory for more ideas once -you feel comfortable with these skeletons. Also try to follow the coding -standards of this package if you want the maintainer to officially add your new -utility to it.

- -

-
Eric S. Raymond <esr@snark.thyrsus.com>
- - diff --git a/giflib-4.1.6/doc/gifasm.html b/giflib-4.1.6/doc/gifasm.html deleted file mode 100644 index ae28751..0000000 --- a/giflib-4.1.6/doc/gifasm.html +++ /dev/null @@ -1,59 +0,0 @@ - - - -gifasm - - - -Go to index page. - -

gifasm

- -A program to assemble multiple GIF files into one, or disassemble a single GIF -file with multiple images into single image files.

- -

Usage:

- -
-gifasm [-q] [-a] [-d OutFileName] [-h] gif-file...
-
- -If no gif-file is given, GifAsm will try to read a GIF file from stdin, if -in disassembly mode only (-d).

- -

Memory required:

- -Line. - -

Options:

- -
-
[-q] -
Quiet mode. Defaults off on MSDOS, on under UNIX. Controls printout - of running scan lines. Use -q- to invert.

- -

[-a] -
Assemble. This is the default, and the GifFile(s) are assembled to - stdout. Note the screen descriptor (including screen color map) is taken - from the first file, while other screen descriptors are ignored. - As this tool requires at least 2 GIF files as input, no attempt will be - made to read stdin if none specified on command line.

- -

[-d OutFileName] -
Disassemble GifFile (if specified on command line) or - stdin, into several files of the form OutFileNameXX, where XX are two - decimal digits. Obviously up to 100 files can be generated this way. - Note: in this mode nothing is sent to stdout.

- -

[-h] -
Print one line of command line help, similar to Usage above.

-

- -

Author:

- -Gershon Elber - -
-
Eric S. Raymond <esr@snark.thyrsus.com>
- - diff --git a/giflib-4.1.6/doc/gifbg.html b/giflib-4.1.6/doc/gifbg.html deleted file mode 100644 index 4f107c3..0000000 --- a/giflib-4.1.6/doc/gifbg.html +++ /dev/null @@ -1,86 +0,0 @@ - - - -gifbg - - - -Go to index page. - -

gifbg

- -A program to generate a single-color test pattern GIF with gradually changing -intensity in any of the basic 8 directions.

- -

Usage:

- -
-gifbg [-q] [-d Dir] [-l #Lvls] [-c R G B] [-m MinI] [-M MaxI] [-s W H] [-h]
-
- -The gifbg program reads no input, and will dump the created GIF file -to stdout.

- -

Memory required:

- -Line. - -

Options:

- -
-
[-q] -
Quiet mode. Defaults off on MSDOS, on under UNIX. Controls printout - of running scan lines. Use -q- to invert.

- -

[-d Dir] -
Select direction the intensity of the background should increase. - Direction can be one of the 8 principal directions:

- -

-   "T" - for Top		"TR" - for Top Right
-   "R" - for Right		"BR" - for Bottom Right
-   "B" - for Bottom		"BL" - for Bottom Left
-   "L" - for left		"TL" - for Top Left
-
- - The compass directions may be use as synonyms for the above directions, so - for example "NE" is equal to "TR".

- - Direction is case insensitive. The default direction is Top (North).

- -

[-l #Lvls] -
Number of levels the color will be scaled to. Default is 16.

- -

[-c R G B] -
What to use as the primary background color to scale. - This color is scaled between the minimum intensity (MinI) and maximum - intensity (MaxI) from one end of the screen to the other as defined by Dir. - See below (-m & -M) for MinI & MaxI. Default is Blue (0, 0, 255).

- -

[-m MinI] -
Minimum intensity (in percent) to scale color. Default 10%

- -

[-M MaxI] -
Maximum intensity (in percent) to scale color. Default 100%

- -

[-s W H] -
Size of image to create. Default 640 by 350.

- -

[-h] -
Print one line of command line help, similar to Usage above.

-

- -

Notes:

- -If MinI == MaxI = 100 (%) and #Lvls == 2 then boolean mask image of specified -size will be created - all foreground. This can be used as a square mask for -the gifcomb utility.

- -

Author:

- -Gershon Elber - -
-
Eric S. Raymond <esr@snark.thyrsus.com>
- - diff --git a/giflib-4.1.6/doc/gifburst.html b/giflib-4.1.6/doc/gifburst.html deleted file mode 100644 index 3088b36..0000000 --- a/giflib-4.1.6/doc/gifburst.html +++ /dev/null @@ -1,48 +0,0 @@ - - - -gifburst - - - -Go to index page. - -

gifburst

- -The gifburst program takes a named GIF file and breaks it into equal-sized -tiles. This is useful if a GIF is too large for your viewer, so you have -to look at it in sections.

- -

Usage:

- -
-gifburst [-s n] [-p b] gif-file
-
- -

Memory required:

- -Proportional to the size of the largest pasted image. - -

Options:

- -
[-s nnn] -
Specify the number of pieces. Valid values are presently 4 (2x2) - and 6 (2x3). Default is 4. - -
[-p nnn] -
Specify the number of pixels of overlap between interior boundaries - of pieces. Default 20. - -

Note:

- -The gifburst program is written on Perl, using the C utilities. You must have -both the giflib utilities and Perl installed to run it.

- -

Author:

- -Eric S. Raymond <esr@snark.thyrsus.com>

- -

-
Eric S. Raymond <esr@snark.thyrsus.com>
- - diff --git a/giflib-4.1.6/doc/gifclip.html b/giflib-4.1.6/doc/gifclip.html deleted file mode 100644 index 9710b4f..0000000 --- a/giflib-4.1.6/doc/gifclip.html +++ /dev/null @@ -1,75 +0,0 @@ - - - -gifclip - - - -Go to index page. - -

gifclip

- -A program to clip images in GIF files. Only one image in a GIF file can be -modified at a time. Neither the image position on screen nor the screen size -is modified (use gifpos for that).

- -

Usage:

- -
-gifclip [-q] [-i Xmin Ymin Xmax Ymax] [-n n Xmin Ymin Xmax Ymax] [-c] [-h] gif-file
-
- -If no gif-file is given, GifClip will try to read a GIF file from stdin.

- -

Memory required:

- -Line. - -

Options:

- -
-
[-q] -
Quiet mode. Default off on MSDOS, on under UNIX. Controls printout - of running scan lines. Use -q- to invert.

- -

[-i Xmin Ymin Xmax Ymax] -
Clip first image to the dimensions as specified - by the 4 coordinates (Xmin Ymin Xmax Ymax) of a box clipping region.

- - For example: '-i 11 22 33 44' will crop the box from top left [11,22] - to bottom right [33,44] out of the first image.

- - If the first parameter is bigger than third one (Xmin > Xmax) they are - swapped. Same for Y.

- - The dimensions of the clipped image must be confined to original image - width and height. Note the clipped image includes both the min & max - boundary; an image of width W can have coordinates 0 to W-1 (zero based).

- - Only one of -i or -n can be specified.

- -

[-n n Xmin Ymin Xmax Ymax] -
Same as -i above but for the nth image: - `-n 1 11 22 33 44' is exactly the same as the example in -i. Only one of - -i or -n can be specified.

- -

[-c] -
Complement. This removes horizontal and/or vertical bands of the - image. For example `-c -i 638 3 658 13' would remove a horizontal band - 11 pixels deep beginning at raster line 3, and a vertical band 21 pixels - right beginning at pixel 658.

- -

[-h] -
Print one line of command line help, similar to Usage above.

-

- -Note: all coordinates are 0-based --- the top left corner is (0, 0).

- -

Author:

- -Gershon Elber - -
-
Eric S. Raymond <esr@snark.thyrsus.com>
- - diff --git a/giflib-4.1.6/doc/gifclrmp.html b/giflib-4.1.6/doc/gifclrmp.html deleted file mode 100644 index 6ca3a9d..0000000 --- a/giflib-4.1.6/doc/gifclrmp.html +++ /dev/null @@ -1,77 +0,0 @@ - - - -gifclrmp - - - -Go to index page. - -

gifclrmp

- -A program to modify GIF image colormaps. Any local colormap in a GIF file can -be modified at a time, or the global screen one.

- -

Usage:

- -
-gifclrmap [-q] [-s] [-t trans] [-l map] [-g Gamma] [-i image] [-h] gif-file
-
- -If no gif-file is given, GifClip will try to read a GIF file from stdin.

- -

Memory required:

- -Line. - -

Options:

- -
-
[-q] -
Quiet mode. Defaults off on MSDOS, on under UNIX. Controls printout - of running scan lines. Use -q- to invert.

- -

[-s] -
Select the global screen color map.

- -

[-l map] -
Load color map from this file instead of selected color map.

- -

[-t trans] -
Change color index values. The change is made to both - the selected color table and the raster bits of the selected image. A - translation file is a list of pairs of `before' and `after' index values. - At present, the `before' index values must be in ascending order starting - from 0.

- -

[-g Gamma] -
Apply gamma correction to selected color map.

- -

[-i image] -
Select the color map of the numbered image.

- -

[-h] -
Print one command line help, similar to Usage above.

-

- -

Notes:

- -
    -
  • -The default operation is to dump out the selected color map in text -format.

    - -

  • -The file to load/dump is simply one color map entry per line. Each such -entry line has four integers: "ColorIndex Red Green Blue", where color -index is in ascending order starting from 1.

    -

- -

Author:

- -Gershon Elber - -
-
Eric S. Raymond <esr@snark.thyrsus.com>
- - diff --git a/giflib-4.1.6/doc/gifcolor.html b/giflib-4.1.6/doc/gifcolor.html deleted file mode 100644 index 8276070..0000000 --- a/giflib-4.1.6/doc/gifcolor.html +++ /dev/null @@ -1,60 +0,0 @@ - - - -gifcolor - - - -Go to index page. - -

gifcolor

- -A program to generate color test patterns. Feed it a color map file (as -generated, say, by the -s otion of GifClrMp) and it will generate a GIF -containing lines of the form - -
-	Color %-3d: [%-3d, %-3d, %-3d]:
-
- -where the first number is the zero-based color index, and the triple is the -index's [Red, Green, Blue] value. There will be one such line for each color. -Each line will be set in a simple 8x8 font in the color it describes; thus, -any lines corresponding to the GIF's background color will be blank.

- -

Usage:

- -
-gifcolor [-q] [-b Background] [-h] <ColorMapFile
-
- -As gifcolor can generate huge amounts of data, ^C will kill it, but 'q' will -stop only the printing (of one of -e, -z, -p), while file integrity will still -be checked.

- -

Memory required:

- -Line. - -

Options:

- -
-
[-q] -
Quiet mode. Defaults off on MSDOS, on under UNIX. Controls printout - of running scan lines. Use -q- to invert.

- -

[-b] -
Set the image's backround color to a given numeric index.

- -

[-h] -
Print one line of command line help, similar to Usage above.

-

- -

Author:

- -Gershon Elber - -
-
Eric S. Raymond <esr@snark.thyrsus.com>
- - diff --git a/giflib-4.1.6/doc/gifcomb.html b/giflib-4.1.6/doc/gifcomb.html deleted file mode 100644 index 2728835..0000000 --- a/giflib-4.1.6/doc/gifcomb.html +++ /dev/null @@ -1,57 +0,0 @@ - - - -gifcomb - - - -Go to index page. - -

gifcomb

- -A program to combine 2 GIF images of exactly the same size into one. -The color maps are merged, but the result may not exceed 256 colors. -A boolean mask GIF file can be used to set which pixel from two images -to use at each location. Otherwise any background color from first -image is converted to second image color at that point. Only the -first image of each file is combined; again, all files' first images -must be of exactly the same size.

- -

Usage:

- -
-gifcomb [-q] [-m MaskGIFFile] [-h] gif-file...
-
- -Two GIF files must be specified; a third mask GIF file is optional.

- -

Memory required:

- -Line. - -

Options:

- -
-
[-q] -
Quiet mode. Default off on MSDOS, on under UNIX. Controls printout - of running scan lines. Use -q- to invert.

- -

[-m MaskGIFFile] -
the MaskGIFfile can be regular GIF file whose first - image has same dimensions as the combined images. Any non-background color - in it will select Image 1 Pixel to output, otherwise Image2 pixel will be - selected. Usually this image will be boolean (two colors only) but - it does not have to be.

- -

[-h] -
Print one line of command line help, similar to Usage above.

-

- -

Author:

- -Gershon Elber - -
-
Eric S. Raymond <esr@snark.thyrsus.com>
- - diff --git a/giflib-4.1.6/doc/gifcompose.html b/giflib-4.1.6/doc/gifcompose.html deleted file mode 100644 index 7e56232..0000000 --- a/giflib-4.1.6/doc/gifcompose.html +++ /dev/null @@ -1,124 +0,0 @@ - - - -gifcompose - - - -Go to index page. - -

gifcompose

- -The gifcompose program uses the GIFLIB utility tools to support a minilanguage -for describing GIF pasteup sequences.

- -

Usage:

- -
-gifcompose [-v] <specfile
-
- -

Specification Syntax

- -The gifcompose tool takes a series of text lines and interprets them as -commands to do pasteup operations. The commands are:

- -

Generators

- -
-
gif <name>
- Paste in <name>.gif

- -

raw <name> <width> <height>
- Paste in the given raw-format file (no suffix supplied). Raw format - is a stream of 8-bit indices into the EGA color map. Accordingly, the - width and height must be specified, and the source must be exactly - width times height bytes long.

- -

rgb <name> <width> <height>
- Paste in the given RGB-format file (no suffix supplied). Raw format - is a stream of 24-bit color values. Accordingly, the width and height - must be specified, and the source must be exactly 3 times width times - height bytes long.

- -

rle <name>
- Paste in the given RLE-format file (no suffix supplied). This converts - the Utah Raster Kit format to GIF.

- -

text <text> [foreground <index>] [color <r> <g> <b>]
- Copy 8x8 monospace font, with transparent background and index 1 as - foreground. If the text string contains whitespaces, they must be - escaped or the string must be quoted (shell conventions).

- - The optional suffix `foreground <n>' sets the foreground color index. - The optional suffix `color <r> <g> <b>' sets the RGB color to be used - for the foreground index.

-

- -Each generator operation may be followed by any combination of the -following suffixes: - -

Modifiers

- -
at <x> <y>
- Place the image at the given (upper-left-hand-corner) coordinates - in the pasted-up result.

- -

clip <name> <top-x> <top-y> <bottom-x> <bottom-y>
- Clip image using the given rectange, paste it onto.

- -

xflip
- Flip the image around the X axis before placing it.

- -

yflip
- Flip the image around the Y axis before placing it.

- -

left
- Rotate the image 90 degrees counterclockwise before placing it.

- -

right
- Rotate the image 90 degrees clockwise before placing it.

- -

Target Operations

- -
screen size <x-size> <y-size>
- Set the global screen size of the final image.

- -

screen position <x> <y>
- Set the global screen position of the final image.

- -

Comments

- -Comments or comment lines may be preceded with `#' and will be ignored.

- -

Memory required:

- -Proportional to the size of the largest pasted image.

- -

Options:

- -
-
[-v] -
Emit a report on each composition action to stderr as it happens. -
- -

Bugs:

- -The suffix sequence `left left' sometimes mysteriously fails to work, -probably due to some restriction in gifflip.

- -No support for resizing or odd-angle rotations yet.

- -The `color' suffix of text is a no-op, because the present version of -gifovly throws away color tables.

- -Error checking is rudimentary.

- -

Author:

- -Eric S. Raymond <esr@snark.thyrsus.com> - -
-
Eric S. Raymond <esr@snark.thyrsus.com>
- - diff --git a/giflib-4.1.6/doc/giffiltr.html b/giflib-4.1.6/doc/giffiltr.html deleted file mode 100644 index 13a590e..0000000 --- a/giflib-4.1.6/doc/giffiltr.html +++ /dev/null @@ -1,40 +0,0 @@ - - - -giffiltr - - - -Go to index page. - -

giffiltr

- -This is an expensive way to copy a GIF. The source is included as a skeleton -for more sophisticated filters. See the source in the util directory for -details.

- -I suppose this does have some utility as a test of the sequential GIF record -I/O routines. The output should be bytewise identical to the input.

- -

Usage:

- -
-giffiltr <GifFile >GifCopy
-
- -

Memory required:

- -Line. - -

Options:

- -None. - -

Author

- -Eric S. Raymond <esr@snark.thyrsus.com>

- -

-
Eric S. Raymond <esr@snark.thyrsus.com>
- - diff --git a/giflib-4.1.6/doc/giffix.html b/giflib-4.1.6/doc/giffix.html deleted file mode 100644 index c65ca32..0000000 --- a/giflib-4.1.6/doc/giffix.html +++ /dev/null @@ -1,47 +0,0 @@ - - - -giffix - - - -Go to index page. - -

giffix

- -A program that attempts to fix broken GIF images. Currently will "fix" -images terminated prematurely by filling the rest of the image with -the darkest color found in image.

- -

Usage:

- -
-giffix [-q] [-h] gif-file
-
- -If no gif-file is given, GifFix will try to read a GIF file from -stdin. The fixed file is dumped to stdout.

- -

Memory required:

- -Line. - -

Options:

- -
-
[-q] -
Quiet mode. Defaults off on MSDOS, on under UNIX. Controls printout - of running scan lines. Use -q- to invert.

- -

[-h] -
Print one line of command line help, similar to Usage above..

-

- -

Author:

- -Gershon Elber - -
-
Eric S. Raymond <esr@snark.thyrsus.com>
- - diff --git a/giflib-4.1.6/doc/gifflip.html b/giflib-4.1.6/doc/gifflip.html deleted file mode 100644 index a0c1106..0000000 --- a/giflib-4.1.6/doc/gifflip.html +++ /dev/null @@ -1,60 +0,0 @@ - - - -gifflip - - - -Go to index page. - -

gifflip

- -A program to flip (mirror) GIF file along X or Y axes, or rotate the GIF -file 90 degrees to the left or to the right.

- -

Usage:

- -
-gifflip [-q] [-r] [-l] [-x] [-y] [-h] gif-file
-
- -If no gif-file is given, GifFlip will try to read a GIF file from stdin.

- -

Memory required:

- -Image. - -

Options:

- -
-
[-q] -
Quiet mode. Default off on MSDOS, on under UNIX. Controls printout - of running scan lines. Use -q- to invert.

- -

[-r] -
Rotate the GIF file to the right.

- -

[-l] -
Rotate the GIF file to the left.

- -

[-x] -
Mirror the GIF file along the X axis. Very useful if GIF file was - created from another format in with the first line in at image bottom. - Effectively exchanges first row with last.

- -

[-y] -
Mirror the GIF file along Y axis. - Effectively exchanges first column with last.

- -

[-h] -
Print one line of command line help, similar to Usage above.

-

- -

Author:

- -Gershon Elber - -
-
Eric S. Raymond <esr@snark.thyrsus.com>
- - diff --git a/giflib-4.1.6/doc/gifhisto.html b/giflib-4.1.6/doc/gifhisto.html deleted file mode 100644 index 9992a9c..0000000 --- a/giflib-4.1.6/doc/gifhisto.html +++ /dev/null @@ -1,72 +0,0 @@ - - - -gifhisto - - - -Go to index page. - -

gifhisto

- -A program to create histogram of number of pixels using each color. The output -can be formatted into a GIF histogram file, or as text file - both go to -stdout.

- -

Usage:

- -
-gifhisto [-q] [-t] [-s Width Height] [-n ImageNumber] [-b] [-h] gif-file
-
- -If no gif-file is given, GifHisto will try to read a GIF file from stdin.

- -

Memory required:

- -Line. - -

Options:

- -
-
[-q] -
Quiet mode. Default off on MSDOS, on under UNIX. Controls printout - of running scan lines. Use -q- to invert.

- -

[-t] -
Force output to be text file of the following form: (colormap size) - lines each containing two integers: number of times color appeared, and - color index. Lines are in increasing color index order. This output can be - fed directly to a sort program if ordering by color frequency - is desired.

- - The colrmap picked is the one to be used for the image to generate - histogram for, as defined in GIF format.

- -

[-s Width Height] -
Size of GIF histogram file. The Height of the - histogram should be power of 2 dividable by number of colors in colormap.

- - Width sets the resolution (accuracy if you like) of the histogram as - the maximum histogram bar is scaled to fit it.

- -

[-n ImageNumber] -
Image number to test. Default is one.

- -

[-b] -
Zeros the background color count. As only linear scale bars are - supported and usually the background appears much more often then other - colors, deleting the background count will improve the scaling of other - colors. - -
[-h] -
Print one line of command line help, similar to Usage above.

-

- -

Author:

- -Gershon Elber - -
-
Eric S. Raymond <esr@snark.thyrsus.com>
- - diff --git a/giflib-4.1.6/doc/gifinter.html b/giflib-4.1.6/doc/gifinter.html deleted file mode 100644 index 007186e..0000000 --- a/giflib-4.1.6/doc/gifinter.html +++ /dev/null @@ -1,51 +0,0 @@ - - - -gifinter - - - -Go to index page. - -

gifinter

- -A program to convert between interlaced and non-interlaced GIF images.

- -

Usage:

- -
-gifinter [-q] [-i] [-s] [-h] gif-file
-
- -If no gif-file is given, GifInter will try to read a GIF file from stdin.

- - -

Memory required:

- -Image. - -

Options:

- -
-
[-q] -
Quiet mode. Defaults off on MSDOS, on under UNIX. Controls printout - of running scan lines. Use -q- to invert.

- -

[-i] -
Force all images in GIF file be interlaced.

- -

[-s] -
Force all images in GIF file be sequential (default).

- -

[-h] -
Print one line of command line help, similar to Usage above.

-

- -

Author:

- -Gershon Elber - -
-
Eric S. Raymond <esr@snark.thyrsus.com>
- - diff --git a/giflib-4.1.6/doc/gifinto.html b/giflib-4.1.6/doc/gifinto.html deleted file mode 100644 index 635286c..0000000 --- a/giflib-4.1.6/doc/gifinto.html +++ /dev/null @@ -1,56 +0,0 @@ - - - -gifinto - - - -Go to index page. - -

gifinto

- -A program to save stdin into a file with given name, iff the result file has -size bigger than specified (see below). This can be used to save result in -same files name we started a chain of pipes.

- -

Usage:

- -
-gifinto [-q] [-s MinFileSize] [-h] gif-file
-
- -Gifinto always reads a GIF file from stdin.

- -

Memory required:

- -Line. - -

Options:

- -
-
[-q] -
Quiet mode. Default off on MSDOS, on under UNIX. Controls printout - of running scan lines. Use -q- to invert.

- -

[-s MinFileSize] -
If file is less than MinFileSize, it is deleted and - not renamed to given name. This will prevent killing the file we - started with if the result is an empty file, or the pipeline did not - complete.

- - The default file threshold size is 14 bytes which is 1 bigger than GIF file - stamp (6 bytes) and GIF file screen descriptor (7 bytes), so a GIF file with - only GIF stamp and screen descriptor will not be renamed.

- -

[-h] -
Print one line of command line help, similar to Usage above.

-

- -

Author:

- -Gershon Elber - -
-
Eric S. Raymond <esr@snark.thyrsus.com>
- - diff --git a/giflib-4.1.6/doc/gifovly.html b/giflib-4.1.6/doc/gifovly.html deleted file mode 100644 index d287baa..0000000 --- a/giflib-4.1.6/doc/gifovly.html +++ /dev/null @@ -1,49 +0,0 @@ - - - -gifovly - - - -Go to index page. - -

gifovly

- -This program takes a multi-image GIF file and generates a single GIF -consisting of all the images overlayed. Each image's screen position -is used. Thus, you can use this together with gifpos and gifasm to -paste together images.

- -

Usage:

- -
-gifovly [-s TransparentColor] [-h]
-
- -The GIF to be operated is read in from stdin. The result GIF is written to -stdout.

- -

Memory required:

- -Proportional to the size of the input file.

- -

Options:

- -
-
[-t num] -
If this index is given, any pixel in images after the first that - has this value is not copied.

- -

[-h] -
Print one line of command line help, similar to Usage above..

-

- -

Author:

- -Eric S. Raymond <esr@snark.thyrsus.com>

- -

-
Eric S. Raymond <esr@snark.thyrsus.com>
- - diff --git a/giflib-4.1.6/doc/gifpos.html b/giflib-4.1.6/doc/gifpos.html deleted file mode 100644 index b5999ab..0000000 --- a/giflib-4.1.6/doc/gifpos.html +++ /dev/null @@ -1,59 +0,0 @@ - - - -gifpos - - - -Go to index page. - -

gifpos

- -A program to change GIF screen size and/or reposition images. No test is made -to make sure changes will generate valid GIF files (i.e. images are still -confined to screen etc.)

- -

Usage:

- -
-gifpos [-q] [-s Width Height] [-i Left Top] [-n n Left Top] [-h] gif-file
-
- -If no gif-file is given, GifPos will try to read a GIF file from stdin.

- -

Memory required:

- -Line. - -

Options:

- -
-
[-q] -
Quiet mode. Default off on MSDOS, on under UNIX. Controls printout - of running scan lines. Use -q- to invert.

- -

[-s Width Height] -
Set the new screen dimensions, so for example - `-s 1000 800' will set screen to width of 1000 and height of 800.

- -

[-i Left Top] -
set image relative to screen position, so for example - `-i 100 80' will set image left position to 100 and top position to 80. - This sets the position of the first image only.

- -

[-n n Left Top] -
set image n relative to screen position, so for - example '-n 3 100 80' will set the third image position as in 2.

- -

[-h] -
Print one line of command line help, similar to Usage above.

-

- -

Author:

- -Gershon Elber - -
-
Eric S. Raymond <esr@snark.thyrsus.com>
- - diff --git a/giflib-4.1.6/doc/gifrotat.html b/giflib-4.1.6/doc/gifrotat.html deleted file mode 100644 index 77bea98..0000000 --- a/giflib-4.1.6/doc/gifrotat.html +++ /dev/null @@ -1,62 +0,0 @@ - - - -gifrotat - - - -Go to index page. - -

gifrotat

- -A program to rotate a GIF image by a specified angle.

- -

Usage:

- -
-gifrotat -a Angle [-q] [-s Width Height] [-h] gif-file
-
- -If no gif-file is given, GifRotat will try to read a GIF file from stdin.

- - -

Memory required:

- -Screen (of source image).

- -

Options:

- -
-
-a Angle -
Specifies the angle to rotate in degrees with respect to - the X (horizontal) axis.

- -

[-q] -
Quiet mode. Defaults off on MSDOS, on under UNIX. Controls printout - of running scan lines. Use -q- to invert.

- -

[-s Width Height] -
Since the rotated image will have the same image size as - the original, some parts of the image will by clipped out and lost. By - specifing a (bigger) size explicitly using the `-s' option, these parts - may be saved.

- -

[-h] -
Print one line of command line help, similar to Usage above.

-

- -

Notes:

- -The image is rotated around its center. No filtering is performed on the -output, which have the same color map as the input. This is mainly since -filtering would require color quantization which is very memory/time intensive -and out of MSDOS memory limits even for small images.

- -

Author:

- -Gershon Elber - -
-
Eric S. Raymond <esr@snark.thyrsus.com>
- - diff --git a/giflib-4.1.6/doc/gifrsize.html b/giflib-4.1.6/doc/gifrsize.html deleted file mode 100644 index 1797a20..0000000 --- a/giflib-4.1.6/doc/gifrsize.html +++ /dev/null @@ -1,60 +0,0 @@ - - - -gifrsize - - - -Go to index page. - -

gifrsize

- -A program to resize image size by an integer factor, deleting bits when scaling -down and duplicating bits when scaling up.

- -

Usage:

- -
-gifrsize [-q] [-S X Y] [-s Scale] [-x XScale] [-y YScale] [-h] gif-file
-
- -If no gif-file is given, GifRSize will try to read a GIF file from stdin.

- -

Memory required:

- -Line. - -

Options:

- -
-
[-q] -
Quiet mode. Defaults off on MSDOS, on under UNIX. Controls printout - of running scan lines. Use -q- to invert.

- -

[-S X Y] -
specifies the exact screen dimension of the output GIF.

- -

[-s Scale] -
Set scaling factor for both x & y direction to Scale. - Default is 0.5. Note this is a floating point number.

- -

[-x XScale] -
Set scaling factor for x direction to Scale. Default is 0.5. - Note: this is a floating point number.

- -

[-y YScale] -
Set scaling factor for y direction to Scale. Default is 0.5. - Note: this is a floating point number.

- -

[-h] -
Print one line of command line help, similar to Usage above.

-

- -

Author:

- -Gershon Elber - -
-
Eric S. Raymond <esr@snark.thyrsus.com>
- - diff --git a/giflib-4.1.6/doc/gifspnge.html b/giflib-4.1.6/doc/gifspnge.html deleted file mode 100644 index 412ca00..0000000 --- a/giflib-4.1.6/doc/gifspnge.html +++ /dev/null @@ -1,40 +0,0 @@ - - - -gifspnge - - - -Go to index page. - -

gifspnge

- -This is an expensive way to copy a GIF. The source is included as a skeleton -for more sophisticated filters using DGifSlurp() and EGifSpew(). See the -source in the util directory for details.

- -I suppose this does have some utility as a test of DGifSlurp() and EGifSpew(). -The output should be bytewise identical to the input.

- -

Usage:

- -
-gifspnge <GifFile >GifCopy
-
- -

Memory required:

- -The size of the input GIF, plus malloc overhead. - -

Options:

- -None. - -

Author:

- -Eric S. Raymond <esr@snark.thyrsus.com>

- -

-
Eric S. Raymond <esr@snark.thyrsus.com>
- - diff --git a/giflib-4.1.6/doc/giftext.html b/giflib-4.1.6/doc/giftext.html deleted file mode 100644 index 5707795..0000000 --- a/giflib-4.1.6/doc/giftext.html +++ /dev/null @@ -1,71 +0,0 @@ - - - -giftext - - - -Go to index page. - -

giftext

- -A program to dump (text only) general information about GIF file.

- -

Usage:

- -
-giftext [-q] [-c] [-e] [-z] [-p] [-r] [-h] gif-file
-
- -If no gif-file is given, GifText will try to read a GIF file from stdin.

- -As giftext can generate huge amounts of data, ^C will kill it, but 'q' will -stop only the printing (of one of -e, -z, -p), while file integrity will still -be checked.

- -

Memory required:

- -Line. - -

Options:

- -
-
[-q] -
Quiet mode. Defaults off on MSDOS, on under UNIX. Controls printout - of running scan lines. Use -q- to invert.

- -

[-c] -
Dumps the color maps.

- -

[-e] -
Dumps encoded bytes - the pixels after compressed using LZ - algorithm and chained to form bytes. This is the form the data is saved - in the GIF file. Dumps in hex - 2 digit per byte.

- -

[-z] -
Dumps the LZ codes of the image. Dumps in hex - 3 digits per - code (as we are limited to 12 bits).

- -

[-p] -
Dumps the pixels of the image. Dumps in hex - 2 digit per - pixel (<=byte).

- -

[-r] -
Dumps raw pixels as one byte per pixel. This option inhibits all - other options and only the pixels are dumped. This option may be used to - convert GIF files into raw data. Note: the color map can be extracted by - gifclrmp utility. If more than one image is included in the file, all - images will be dumped in order.

- -

[-h] -
Print one line of command line help, similar to Usage above.

-

- -

Author:

- -Gershon Elber - -
-
Eric S. Raymond <esr@snark.thyrsus.com>
- - diff --git a/giflib-4.1.6/doc/gifwedge.html b/giflib-4.1.6/doc/gifwedge.html deleted file mode 100644 index 35ce5a5..0000000 --- a/giflib-4.1.6/doc/gifwedge.html +++ /dev/null @@ -1,53 +0,0 @@ - - - -gifwedge - - - -Go to index page. - -

gifwedge

- -A program to create a test GIF image with intensity levels of the RGB colors -YCM colors and white.

- -

Usage:

- -
-gifwedge [-q] [-l #Lvls] [-s SizeX SizeY] [-h]
-
- -

Memory required:

- -Line. - -

Options:

- -
-
[-q] -
Quiet mode. Defaults off on MSDOS, on under UNIX. Controls printout - of running scan lines. Use -q- to invert.

- -

[-l #Lvls] -
Set number of intensity levels per color. This number must be - power of two up to 32, as Gif format can only have 256 color simultanuously - and 7 basic colors are to be displayed.

- -

[-s SizeX SizeY] -
Force image size to be SizeX by SizeY pixels. - Image size will be rounded down to be a multiple of number of intensities - horizontally, and 7 (colors) vertically.

- -

[-h] -
Print one line command line help, similar to Usage above.

-

- -

Author:

- -Gershon Elber - -
-
Eric S. Raymond <esr@snark.thyrsus.com>
- - diff --git a/giflib-4.1.6/doc/icon2gif.html b/giflib-4.1.6/doc/icon2gif.html deleted file mode 100644 index a68127e..0000000 --- a/giflib-4.1.6/doc/icon2gif.html +++ /dev/null @@ -1,142 +0,0 @@ - - - -icon2gif - - - -Go to index page. - -

icon2gif

- -A program to convert a series of editable text GIF icon specifications and -named GIF files into a multi-image GIF, usable as a graphic resource file. -It can also dump existing GIFs in this format.

- -

Usage:

- -
-icon2gif [-q] [-a] [-d] [t TranslationTable] [-h] gif-file...
-
- -If no gif-file is given, icon2gif will try to read a text input from stdin.

- -

Specification Syntax

- -Here is a syntax summary in informal BNF. The token `NL' represents a -required newline.

- -

-<gif-spec> ::= <header-block> <image-block>...
-
-<header-block> ::= <header-declaration>...
-
-<header-declaration ::=
-		| screen width <digits> NL
-		| screen height <digits> NL
-		| screen colors <digits> NL
-		| screen background <digits> NL
-		| screen map <color-table> NL
-
-<color-table> ::= <color-declaration>... end NL
-
-<color-declaration> ::= rgb <digits> <digits> <digits> is <key> NL
-
-<image-block> ::= include <file-name> NL
-		| image NL
-			<image-declaration>...
-			<raster-picture>
-			[ <extension> ]
-
-<image-declarations> ::= image top <digits> NL
-			| image left <digits> NL
-			| image interlaced NL
-			| image map <color-table> NL
-			| image bits <digits> by <digits> NL <raster-block>
-
-<extension> := <comment> NL <extension-block> NL end NL
-		| <plaintext> NL <extension-block> NL end NL
-		| extension <hex-digits> NL <extension-block> NL end NL
-
- -If the semantics of the `screen height', `screen width', `screen background', -`image top', `image left' declarations aren't obvious to you, what are you -doing with this software?

- -A color table declares color indices (in ascending order from 0) and -assiciates them with key characters. These characters can later be used in -raster blocks. As these must be printable and non-whitespace, you can only -specify 94 colors per icon. Life is like that sometimes.

- -A raster block is just a block of key characters. It should be sized correctly -for the `image bits' declaration that leads it.

- -The `comment' or `plaintext' keywords lead defined GIF89 extension -record data (the other two GIF89 types, graphics control and application -block, are not yet supported). You can also say `extension' followed -by a hexadecimal record type. All of these extension declarations -must be followed by an extension block, which is terminated by the -keyword `end' on its own line.

- -An extension block is a series of text lines, each interpreted as a string of -bytes to fill an argument block (the terminating newline is stripped). Text -may include standard C-style octal and hex escapes preceded by a backslash.

- -All tokens are interpreted as decimal numerals; -tokens are interpreted as two hex digits (a byte). All coordinates are -zero-origin with the top left corner (0,0). Range checking is weak and -signedness checking nonexistent; caveat hacker!

- -In general, the amount of whitespace and order of declarations within a -header or image block is not significant, except that a raster picture -must immediately follow its `image bits' bits declaration.

- -The `include' declaration includes a named GIF as the next image. The global -color maps of included GIFs are merged with the base table defined by any -`screen color' declaration. All images of an included multi-image GIF will -be included in order.

- -Comments may be preceded with `#' and will be ignored.

- -

Memory required:

- -For the compilation mode, proportional to the size of the input file. For -dumping, proportional to the line size of the widest GIF.

- -

Options:

- -
-
[-q] -
Quiet mode. Defaults off on MSDOS, on under UNIX. Controls printout - of running scan lines. Use -q- to invert.

- -

[-d] -
Dump the input GIF file(s) into the text form described above.

- -

[-t] -
Specify name characters to use when dumping raster blocks. Only - valid with -d option.

- -

[-h] -
Print one line of command line help, similar to Usage above.

-

- -

Bugs:

- -Because there are only 94 characters unambiguously usable for raster blocks, -an attempt to dump a GIF with a larger color map will fail.

- -Error checking is rudimentary.

- -

Example:

- -A sample icon file called `sample.ico' is included in the pic directory.

- -

Author:

- -Eric S. Raymond <esr@snark.thyrsus.com> - -
-
Eric S. Raymond <esr@snark.thyrsus.com>
- - diff --git a/giflib-4.1.6/doc/index.html b/giflib-4.1.6/doc/index.html deleted file mode 100644 index 0b62c0c..0000000 --- a/giflib-4.1.6/doc/index.html +++ /dev/null @@ -1,215 +0,0 @@ - - - -Introduction to GIFLIB - - - -

Introduction to GIFLIB

- -GIFLIB is a package of portable tools and library routines for working -with GIF images. You can find the latest version at the GIFLIB home -page http://www.ccil.org/~esr/giflib.

- -The Graphics Interchange Format(c) specification is the copyrighted -property of CompuServe Incorporated. GIF(sm) is a service mark -property of CompuServe Incorporated. As this package existed before -UniSys's lawyeritis attack of New Years' Day 1995, it is grandfathered -in under their license terms and you do not have to pay fees -for using it.

- -This package has been released under an X Consortium-life freeware -license. Use and copy as you see fit. If you make useful changes, -add new tools, or find and fix bugs, please send your mods to the -maintainers for general distribution.

- -The util directory includes programs to clip, rotate, scale, and -position GIF images. It includes an X11 viewer, code to dump GIFs to -an Epson-compatible printer in graphics mode, and many conversion -utilities. These are no replacement for an interactive graphics -editor, but they can be very useful for scripted image generation or -transformation.

- -The library includes program-callable entry points for reading and writing -GIF files, an 8x8 utility font for embedding text in GIFs, and an error -handler. GIF manipulation can be done at a relatively low level by -sequential I/O (which automatically does/undoes image compression) or at -a higher level by slurping an entire GIF into allocated core.

- -This library speaks both GIF87a and GIF89. The differences between -GIF87 and GIF89 are minor: in the latter, the interpretation of some -extension block types is defined. The library never needs to actually -interpret these, but giftext notices them.

- -

Utilities

- -Here is a summary of the utilities in this package. If you're looking -at this page through a web browser, each utility name should be a -hotlink to HTML documentation.

- -

Conversion Utilities

- -
-
gif2bgi -
display GIFs on IBM PC displays using the BGI (Borland) driver -
gif2epsn -
dump images saved as GIF files on Epson type printers -
gif2herc -
display GIFs on IBM PC displays using the Hercules graphic card -
gif2iris -
display GIFs under SGI NeWs window system -
gif2ps -
print GIF file on laser printers supporting PostScript -
gif2rgb -
convert images saved as GIF to 24-bit RGB image(s) -
gif2rle -
convert images saved as GIF to RLE (Utah raster toolkit) format -
gif2x11 -
display images saved as GIF files under X window system -
raw2gif -
convert raw 8-bit image data into GIF files -
rgb2gif -
convert 24 bit images to a GIF image using color quantization -
rle2gif -
convert images saved as RLE (Utah raster toolkit) to GIF format -
- -

Test Pattern Generators

- -
-
gifbg -
generate a single-color test pattern GIF -
gifcolor -
generate color test patterns -
gifwedge -
create a test GIF image resembling a color monitor test pattern -
- -

Image Manipulation Components

- -
-
gifasm -
assemble multiple GIFs into one, or burst a multiple-mage GIF -
gifclip -
clip or crop a GIF image -
gifclrmp -
modify GIF image colormaps -
gifcomb -
combine 2 GIF images of exactly the same size into one -
giffix -
clumsily attempts to fix truncated GIF images -
gifflip -
flip GIF image along X or Y axis or rotate by 90 degrees -
gifinter -
convert between interlaced and non interlaced images -
gifovly -
generate one composite GIF from a multiple-image GIF -
gifpos -
change a GIF's screen size or recondition it. -
gifrotat -
rotate a GIF through any desired angle -
gifrsize -
resize a GIF by deletion or duplication of bits -
gifburst -
burst a GIF image into subrectangles. -
- -

Report Generators

- -
-
giftext -
print (text only) general information about a GIF -
gifhisto -
generate color-frequency histogram from a GIF -
- -

GIF Composition Tools

- -
-
icon2gif -
converter/deconverter to/from an editable text format -
text2gif -
generate GIF images out of regular text in 8x8 font -
gifinto -
end-of-pipe fitting for GIF-processing pipelines -
gifcompose -
use giflib tools to compose images -
- -

C Code Templates

- -
-
giffiltr -
template code for filtering a GIF sequentially -
gifspnge -
template code for filtering a GIF with in-core operations -
- -Under MS-DOS, most filters will print the current input scan line number -(counting up) whenever they read image input, and will print output image line -number (counting down) when they dump output. Utilities that only read or -write always print in increasing order. Utilities (like GifPos that only -change positions) that copy the image as a block of compressed data will print -nothing --- they cannot identify a scan line number, and are enough faster that -the feedback to the user doesn't seem necessary.

- -Some of the utilities require memory on the order of the whole screen, while -others read one scan line at a time. Each utility HTML file has entry called -Memory Usage which will be one of:

- -

-
Line
memory required is on the order of one scan line -
Image
proportional to the size of the biggest image in GIF file -
Screen
proportional to GIF screen size -
- -In all cases a byte is allocated per pixel, so an image of 320 by 200 pixels -will requires approximately 64k bytes of main memory.

- -

Library Functions

- -The library contains two groups of C functions. One group does sequential -I/O on the stream-oriented GIF format. The other supports grabbing an -entire GIF into allocated core, operating on it in core, and then writing -the modified in-core GIF out to disk.

- -Unless you are on a 286 or some other very memory-limited machine -running under DOS, you probably want to use the second group.

- -Detailed documentation on the library entry points is in gif_lib.html. Library error codes are -described in liberror.html

- -

The GIF Standard

- -The doc subdurector includes flat-ASCII descriptions of GIF89 format and Lempel-Ziv -Compression.

- -

History

- -This package was originally written by Gershon Elber -in 1990 on an IBM PC under MS-DOS using Borland Turbo C. He made it portable -to several UNIX environments.

- -The 2.1 version featured substantial changes and additions by Eric -S. Raymond . These included the -DGifSlurp/EGifSpew function pair for enabling non-sequential -operations on GIF images and the tools icon2gif, gifovly, gifburst, and -gifcompose.

- -The 2.4 version converted all the docs from an idiosyncratic -plain-text formal to to HTML.

- -

Package Status

- -GIFLIB's current maintainer is Eric S. Raymond. You can find his home -page at http://www.ccil.org/esr.

- -GIFLIB is not under active development, but bug fixes are being accepted.

- -

-
Eric S. Raymond <esr@snark.thyrsus.com>
- - diff --git a/giflib-4.1.6/doc/liberror.html b/giflib-4.1.6/doc/liberror.html deleted file mode 100644 index 35356b3..0000000 --- a/giflib-4.1.6/doc/liberror.html +++ /dev/null @@ -1,140 +0,0 @@ - - - -GIFLIB error codes - - - -Go to index page. - -

GIFLIB error codes

- -Errors as reported from the GIF_LIB library are divided to two major -categoriess: the encoder (errors prefixed by E_GIF_ERR), and the -decoder (errors prefixed by D_GIF_ERR). This document explains them -briefly:

- -

Encoding errors:

- -
-
E_GIF_ERR_OpenFailed
- Message printed using PrintGifError: "Failed to open given file" - IO error result when attempt to open the given GIF file.

- -

E_GIF_ERR_WriteFailed
- Message printed using PrintGifError: "Failed to Write to given file" - IO error result when attempt to write to the given GIF file.

- -

E_GIF_ERR_HasScrnDscr
- Message printed using PrintGifError: "Screen Descriptor already been set" - Attempt to write second screen descriptor to same GIF file. GIF file should - have exactly one screen descriptor which should be set directly after the - file is opened.

- -

E_GIF_ERR_HasImagDscr
- Message printed using PrintGifError: "Image Descriptor is still active" - Image descriptor should be sent before and image dump, and no second - image descriptor should be sent before current image dump ended. This error - occurred probably because current image was not complete.

- -

E_GIF_ERR_NoColorMap
- Message printed using PrintGifError: "Neither Global Nor Local color map" - An image must have either global (screen) or local (image) color map. - Neither were given in this case.

- -

E_GIF_ERR_DataTooBig
- Message printed using PrintGifError: "#Pixels bigger than Width * Height" - The number of pixels dumped for this image is bigger than specified by - image Height times image Width.

- -

E_GIF_ERR_NotEnoughMem
- Message printed using PrintGifError: "Fail to allocate required memory" - Once an attemp is made to open GIF file, special structures are allocated - to hold internal data for it. If allocation fails this error is returned.

- -

E_GIF_ERR_DiskIsFull
- Message printed using PrintGifError: "Write failed (disk full?)" - Writing encoded data failed.

- -

E_GIF_ERR_CloseFailed
- Message printed using PrintGifError: "Failed to close given file" - Closing file failed.

- -

E_GIF_ERR_NotWriteable
- Message printed using PrintGifError: "Given file was not opened for write" - GIF files can be opened both for read (DGIF part of library) and write - (EGIF part of library). This error occurs when a file is opened for read - (using DGIF) is given to one of the encoding (EGIF) routines.

-

- -

Encoding errors:

- -
-
D_GIF_ERR_OpenFailed
- Message printed using PrintGifError: "Failed to open given file" - IO error result when attempt to open the given GIF file.

- -

D_GIF_ERR_ReadFailed
- Message printed using PrintGifError: "Failed to Read from given file" - IO error result when attempt to write to the given GIF file.

- -

D_GIF_ERR_Notgif-file$
- Message printed using PrintGifError: "Given file is NOT GIF file" - GIF files should have special stamp identifies them as such, If that stamp - is not found, this error is issued.

- -

D_GIF_ERR_NoScrnDscr
- Message printed using PrintGifError: "No Screen Descriptor detected" - Each GIF file should have screen descriptor in its header. This error will - be generated if no such descriptor was found.

- -

D_GIF_ERR_NoImagDscr
- Message printed using PrintGifError: "No Image Descriptor detected" - Each image should have image descriptor in its header. This error will - be generated if no such descriptor was found.

- -

D_GIF_ERR_NoColorMap
- Message printed using PrintGifError: "Neither Global Nor Local color map" - An image must have either global (screen) or local (image) color map. - Neither were given in this case.

- -

D_GIF_ERR_WrongRecord
- Message printed using PrintGifError: "Wrong record type detected" - Each record in GIF file has special identifier, in its header. If the - record has wrong identifier, this error is generated.

- -

D_GIF_ERR_DataTooBig
- Message printed using PrintGifError: "#Pixels bigger than Width * Height" - The number of pixels dumped for this image is bigger than specified by - image Height times image Width.

- -

D_GIF_ERR_NotEnoughMem
- Message printed using PrintGifError: "Fail to allocate required memory" - Once an attemp is made to open GIF file, special structures are allocated - to hold internal data for it. If allocation fails this error is returned.

- -

D_GIF_ERR_CloseFailed
- Message printed using PrintGifError: "Failed to close given file" - Closing file failed.

- -

D_GIF_ERR_NotReadable
- Message printed using PrintGifError: "Given file was not opened for read" - GIF files can be opened both for read (DGIF part of library) and write - (EGIF part of library). This error occurs when a file is opened for write - (using EGIF) is given to one of the decoding (DGIF) routines.

- -

D_GIF_ERR_ImageDefect
- Message printed using PrintGifError: "Image is defective, decoding aborted" - This error is generated, once the decoding failed - probably image is - defect.

- -

D_GIF_ERR_EOFTooSoon
- Message printed using PrintGifError: "Image EOF detected, before image complete" - This error is generated once EOF code is detected in encoded image before - all the pixels (Width * Height) has be decoded.

-

- -
-
Eric S. Raymond <esr@snark.thyrsus.com>
- - diff --git a/giflib-4.1.6/doc/lzgif.txt b/giflib-4.1.6/doc/lzgif.txt deleted file mode 100644 index 526b3ff..0000000 --- a/giflib-4.1.6/doc/lzgif.txt +++ /dev/null @@ -1,123 +0,0 @@ -LZW compression used to encode/decode a GIF file by Bob Montgomery [73357,3140] - -ENCODER -Consider the following input data stream in a 4 color (A, B, C, D) system. -We will build a table of codes which represent strings of colors. Each time -we find a new string, we will give it the next code, and break it into a -prefix string and a suffix color. The symbols \ or --- represent the prefix -string, and / represents the suffix color. The first 4 entries in the table -are the 4 colors with codes 0 thru 3, each of which represents a single -color. The next 2 codes (4 and 5) are the clear code and the end of image -code. The first available code to represent a string of colors is 6. Each -time we find a new code, we will send the prefix for that code to the -output data stream. - -A B A B A B A B B B A B A B A A C D A C D A D C A B A A A B A B ..... -\/\/---/-----/\/---/-------/\/ \/ \ /\/---/---/\ /\/-----/---/---/ -6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Code - 6 8 10 8 14 16 8 13 7 Prefix - -The encoder table is built from input data stream. Always start with the -suffix of last code, and keep getting colors until you have a new -combination. - -Color Code Prefix Suffix String Output - A 0 - - B 1 - - C 2 - - D 3 - -Clear 4 - -End 5 - - A \ A A First color is a special case. - B / \ 6 A B AB A - A | / 7 B A BA B - B | - A / | 8 6 A ABA 6 - B | - A | - B \ / 9 8 B ABAB 8 - B / | 10 B B BB B - B | - A | / 11 10 A BBA 10 - B | - A | - B | - A / \ 12 9 A ABABA 9 - A \ / 13 A A AA A - C / \ 14 A C AC A - D \ / 15 C D CD C - A / | 16 D A DA D - C | - D | / 17 14 D ACD 14 - A | - D / \ 18 16 D DAD 16 - C \ / 19 D C DC D - A / | 20 C A CA C - B | - A | - A | / 21 8 A ABAA 8 - A | - B / | 22 13 B AAB 13 - A | - B / 23 7 B BAB 7 - -The resultant output stream is: A B 6 8 B 10 9 A A C D 14 16 D C 8 .... -The GIF encoder starts with a code length of 2+1=3 bits for 4 colors, so -when the code reaches 8 we will have to increase the code size to 4 bits. -Similarly, when the code gets to 16 we will have to increse the code size -to 5 bits, etc. If the code gets to 13 bits, we send a clear code and start -over. See GIFENCOD.GIF for a flow diagram of the encoding process. This -uses a tree method to search if a new string is already in the table, which -is much simpler, faster, and easier to understand than hashing. - -=========================================================================== - -DECODER - -We will now see if we can regenerate the original data stream and duplicate -the table looking only at the output data stream generated by the encoder -on the previous page. The output data stream is: - - A B 6 8 B 10 9 A A C D 14 16 D C 8 .... - -The docoding process is harder to see, but easier to implement, than the -encoding process. The data is taken in pairs, and a new code is assigned to -each pair. The prefix is the left side of the pair, and the suffix is the -color that the right side of the pair decomposes to from the table. The -decomposition is done by outputing the suffix of the code, and using the -prefix as the new code. The process repeats until the prefix is a single -color, and it is output too. The output of the decomposition is pushed onto -a stack, and then poped off the stack to the display, which restores the -original order that the colors were seen by the encoder. We will go thru -the first few entries in detail, which will hopefully make the process -clearer. - The first pair is (A B), so the prefix of code 6 is A and the suffix -is B, and 6 represents the string AB. The color A is sent to the display. - The 2nd pair is (B 6), so the prefix of code 7 is B and the suffix is -the the last color in the decomposition of code 6. Code 6 decomposes into -BA, so code 7 = BA, and has a suffix A. The color B is sent to the display. - The 3rd pair is (6 8) and the next code is 8. How can we decompose 8. -We know that the prefix of code 8 is 6, but we don't know the suffix. The -answer is that we use the suffix of the prefix code; A in this case since -the suffix of 6 is A. Thus, code 8 = ABA and has a suffix A. We decompose 6 -to get BA, which becomes AB when we pop it off the stack to the display. - The 4th pair is (8 B), so code 9 has a prefix of 8 and a suffix of B, -and code 9 = ABAB. We output ABA to the stack, and pop it off to the -display as ABA. - The 5th pair is (B 10) and the next code is 10. The prefix of code 10 -is B and the suffix is B (since the prefix is B). Code 10 = BB, and we -output the prefix B to the display. - The 6th pair is (10 9) and the next code is 11. Thus the prefix of -code 11 is 10 and the suffix is the last color in the decomposition of 9, -which is A. Thus code 11 = BBA, And we output BB to the display. - So far, we have output the correct colors stream A B AB ABA B BB to -the display, and have duplicated the codes 6 thru 11 in the encoder table. -This process is repeated for the whole data stream to reconstruct the -original color stream and build a table identical to the one built by the -encoder. We start the table with codes 0-5 representing the 4 colors, the -clear code, and the end code. When we get to code 8, we must increse the -code size to 5 bits, etc. See GIFDECOD.GIF for a flow diagram of the -decoding process. - -I Hope this helps take some of the mystery out of LZW compression, which is -really quite easy once you 'see' it. Bob Montgomery diff --git a/giflib-4.1.6/doc/raw2gif.html b/giflib-4.1.6/doc/raw2gif.html deleted file mode 100644 index 5870ba5..0000000 --- a/giflib-4.1.6/doc/raw2gif.html +++ /dev/null @@ -1,60 +0,0 @@ - - - -raw2gif - - - -Go to index page. - -

raw2gif

- -A program to convert RAW image data into GIF files. Only one image can be -handled. The RAW image file is assumed to hold one pixel color in one byte, -and therefore the file size must be Width times Height as specified by the --s option below.

- -

Usage:

- -
-raw2gif [-q] -s Width Height [-p ColorMapFile] [-h] RawFile
-
- -If no RawFile is given, Raw2Gif will try to read RAW data from stdin. -The generated GIF File is dumped to stdout.

- -

Memory required:

- -Line. - -

Options:

- -
-
[-q] -
Quiet mode. Defaults off on MSDOS, on under UNIX. Controls printout - of running scan lines. Use -q- to invert.

- -

-s Width Height -
the dimensions of the image MUST be specified in the - command line. The RAW image file size must be exactly Width times Height - bytes (each byte is one pixel color).

- -

[-p ColorMapFile] -
Color map to load for given RAW image. This file has - 4 integers in line (ColorIndex Red Green Blue), and the ColorIndex is - in order starting from 1. See GifClrMp, which can also use/create these - bitmap files. If no color map is specified, uses the EGA 16 color pallete - as default color map.

- -

[-h] -
Print one line of command line help, similar to Usage above.

-

- -

Author:

- -Gershon Elber - -
-
Eric S. Raymond <esr@snark.thyrsus.com>
- - diff --git a/giflib-4.1.6/doc/rgb2gif.html b/giflib-4.1.6/doc/rgb2gif.html deleted file mode 100644 index e21b3dc..0000000 --- a/giflib-4.1.6/doc/rgb2gif.html +++ /dev/null @@ -1,59 +0,0 @@ - - - -rgb2gif - - - -Go to index page. - -

rgb2gif

- -A program to convert 24 bit images to a GIF image using color quantization.

- - -

Usage:

- -
-rgb2gif [-q] [-c #Colors] [-1] -s Width Height [-h] RGBFile
-
- -If no RGBFile is given, RGB2Gif will try to read a GIF file from stdin.

- -

Memory required:

- -Screen. - -

Options:

- -
-
[-q] -
Quiet mode. Defaulte off on MSDOS, on under UNIX. Controls printout - of running scan lines. Use -q- to invert.

- -

[-c #Colors] -
Specifies number of colors to use, in bits per pixels, so - '-c 8' specifies actually 256 colors (maximum and default).

- -

[-1] -
Only one file in the format of RGBRGB... triplets (Each of R, G, B - is a byte) is read from input. This file size is 3 * Width * Height (see - '-s' below. If stdin is used for input, this option is implicitly applied. - The default (if not '-1') is 3 files with the names RGBFile.R, RGBFile.G, - RGBFile.B, each of which is Width * Height bytes.

- -

[-s Width Height] -
Specifies the size of the image to read.

- -

[-h] -
Print one line of command line help, similar to Usage above.

-

- -

Author:

- -Gershon Elber - -
-
Eric S. Raymond <esr@snark.thyrsus.com>
- - diff --git a/giflib-4.1.6/doc/rle2gif.html b/giflib-4.1.6/doc/rle2gif.html deleted file mode 100644 index 8d56206..0000000 --- a/giflib-4.1.6/doc/rle2gif.html +++ /dev/null @@ -1,58 +0,0 @@ - - - -rle2gif - - - -Go to index page. - -

rle2gif

- -A program to convert images saved as RLE (Utah raster toolkit) to GIF -format.

- -

Usage:

- -
-rle2Gif [-q] [-c #Colors] [-h] RleFile
-
- -If no RleFile is given, Rle2Gif will try to read an Rle file from stdin.

- -

Memory required:

- -Screen. - -

Options:

- -
-
[-q] -
Quiet mode. Defaults off on MSDOS, on under UNIX. Controls printout - of running scan lines. Use -q- to invert.

- -

[-c #Colors] -
Select size of color map in the output Gif file. #Colors - should be given as the based 2 log of number of colors. Default is 8 - which is 256 colors, and which is also the maximum. - -
[-h] -
Print one line of command line help, similar to Usage above..

-

- -

Notes:

- -As the RLE format allows full 24 bits per pixel (8 per primary color) -Colors must be quantized to the number of colors as set by the [-c] -option, above. This process is quite slow. See the quantize.c file -in the lib directory for the code for this quantization algorithm -(median cut).

- -

Author:

- -Gershon Elber - -
-
Eric S. Raymond <esr@snark.thyrsus.com>
- - diff --git a/giflib-4.1.6/doc/text2gif.html b/giflib-4.1.6/doc/text2gif.html deleted file mode 100644 index f44d4fc..0000000 --- a/giflib-4.1.6/doc/text2gif.html +++ /dev/null @@ -1,73 +0,0 @@ - - - -text2gif - - - -Go to index page. - -

text2gif

- -A program to generate GIF images out of regular text. Text can be one line -or multi-line, and is converted using 8 by 8 fixed font.

- -

Usage:

- -
-text2gif [-q] [-s ClrMapSize] [-f FGClr] [-c R G B] [-t "Text"] [-h]
-
- -This program reads stdin if no text is provided on the command line (-t), -and will dump the created GIF file to stdout.

- -

Memory required:

- -Line. - -

Options:

- -
[-q] -
Quiet mode. Defaults off on MSDOS, on under UNIX. Controls printout - of running scan lines. Use -q- to invert.

- -

[-s ClrMapSize] -
Explicitly defines the size of the color map of the - resulting gif image. Usually the image will be bicolor with fg as color - 1, unless [-f] is explicitly given in case the color map size will be - big enough to hold it. However it is sometimes convenient to set the - color map size to certain size while the fg color is small mainly so - this image may be merged with another (images must match color map size).

- -

[-f FG] -
Select foreground index (background is always 0). By default - it is one and therefore the image result is bicolored. - if FG is set to n then color map will be created with 2^k entries where - 2^k > n for minimum k, assuming k <= 8. This color map will be all zeros - except this forground index. This option is useful if this text image - should be integrated into other image colormap using their colors.

- -

[-c R G B] -
The color to use as the foreground color. White by default.

- -

[-t "Text"] -
One line of text can be provided on the command - line. Note you must encapsulate the Text within quotes if it has spaces - (The quotes themselves are not treated as part of the text). If no -t - option is provided, stdin is read until end of file.

- -

[-h] -
Print one line command line help, similar to Usage above.

- -

Notes:

- -There is a hardcoded limit of 100 the number of lines.

- -

Author:

- -Gershon Elber - -
-
Eric S. Raymond <esr@snark.thyrsus.com>
- - diff --git a/giflib-4.1.6/gba/giftest.c b/giflib-4.1.6/gba/giftest.c deleted file mode 100644 index c5fe4d5..0000000 --- a/giflib-4.1.6/gba/giftest.c +++ /dev/null @@ -1,283 +0,0 @@ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#ifdef _WIN32 -#include -#else -int __gba_multiboot; -#include -#include -#endif - -#define RGB8(r,g,b) ( (((b)>>3)<<10) | (((g)>>3)<<5) | ((r)>>3) ) - -#ifndef __MSDOS__ -#include -#endif -#include -#include -#include "../lib/gif_lib.h" - -#include "res/cover.c" -#include "res/porsche-240x160.c" -#include "res/x-trans.c" - -const short InterlacedOffset[] = { 0, 4, 2, 1 }; /* The way Interlaced image should. */ -const short InterlacedJumps[] = { 8, 8, 4, 2 }; /* be read - offsets and jumps... */ - -int readFunc(GifFileType* GifFile, GifByteType* buf, int count) -{ - char* ptr = GifFile->UserData; - memcpy(buf, ptr, count); - GifFile->UserData = ptr + count; - return count; -} - -void CopyLine(void* dst, void* src, int count) -{ - do - { - *(short*) dst = *(short*) src; - src = (u8*)src + 2; - dst = (u8*)dst + 2; - count -= 2; - } - while (count >= 0); -} - -int DGifGetLineByte(GifFileType *GifFile, GifPixelType *Line, int LineLen) -{ - GifPixelType LineBuf[240]; - CopyLine(LineBuf, Line, LineLen); - int result = DGifGetLine(GifFile, LineBuf, LineLen); - CopyLine(Line, LineBuf, LineLen); - return result; -} - -#define GAMMA(x) (x) - -#ifdef _NO_FILEIO -#define PrintGifError() -#endif - -/****************************************************************************** -* Interpret the command line and scan the given GIF file. * -******************************************************************************/ -#ifdef _WIN32 -int DecodeGif(const u8 *userData, u8 ScreenBuff[160][240], BITMAPINFO* pBMI) -#else -int DecodeGif(const u8 *userData, u8 ScreenBuff[160][240], u16* Palette) -#endif -{ - int i, j, Row, Col, Width, Height, ExtCode, Count; - GifRecordType RecordType; - GifByteType *Extension; - GifFileType *GifFile; - ColorMapObject *ColorMap; - - if ((GifFile = DGifOpen(userData, readFunc)) == NULL) { - PrintGifError(); - return EXIT_FAILURE; - } - - for (i = 0; i < GifFile->SWidth; i++) /* Set its color to BackGround. */ - ScreenBuff[0][i] = GifFile->SBackGroundColor; - for (i = 1; i < GifFile->SHeight; i++) { - memcpy(ScreenBuff[i], ScreenBuff[0], GifFile->SWidth); - } - - /* Scan the content of the GIF file and load the image(s) in: */ - do { - if (DGifGetRecordType(GifFile, &RecordType) == GIF_ERROR) { - PrintGifError(); - return EXIT_FAILURE; - } - switch (RecordType) { - case IMAGE_DESC_RECORD_TYPE: - if (DGifGetImageDesc(GifFile) == GIF_ERROR) { - PrintGifError(); - return EXIT_FAILURE; - } - Row = GifFile->Image.Top; /* Image Position relative to Screen. */ - Col = GifFile->Image.Left; - Width = GifFile->Image.Width; - Height = GifFile->Image.Height; - - // Update Color map - ColorMap = (GifFile->Image.ColorMap - ? GifFile->Image.ColorMap - : GifFile->SColorMap); - -#ifdef _WIN32 - ZeroMemory(pBMI, sizeof(BITMAPINFOHEADER) + 256*sizeof(RGBQUAD)); - pBMI->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); - pBMI->bmiHeader.biWidth = Width; - pBMI->bmiHeader.biHeight = -Height; // negative for top-down bitmap - pBMI->bmiHeader.biPlanes = 1; - pBMI->bmiHeader.biBitCount = 8; - pBMI->bmiHeader.biClrUsed = 256; - pBMI->bmiHeader.biClrImportant = 256; - i = ColorMap->ColorCount; - while (--i >= 0) - { - RGBQUAD rgb; - GifColorType* color = &ColorMap->Colors[i]; - rgb.rgbRed = color->Red; - rgb.rgbGreen = color->Green; - rgb.rgbBlue = color->Blue; - rgb.rgbReserved = 0; - pBMI->bmiColors[i] = rgb; - } -#else - i = ColorMap->ColorCount; - while (--i >= 0) - { - GifColorType* pColor = &ColorMap->Colors[i]; - Palette[i] = RGB8(GAMMA(pColor->Red), GAMMA(pColor->Green), GAMMA(pColor->Blue)); - } -#endif - if (GifFile->Image.Left + GifFile->Image.Width > GifFile->SWidth || - GifFile->Image.Top + GifFile->Image.Height > GifFile->SHeight) { - return EXIT_FAILURE; - } - if (GifFile->Image.Interlace) { - /* Need to perform 4 passes on the images: */ - for (Count = i = 0; i < 4; i++) - for (j = Row + InterlacedOffset[i]; j < Row + Height; - j += InterlacedJumps[i]) { - if (DGifGetLineByte(GifFile, &ScreenBuff[j][Col], - Width) == GIF_ERROR) { - PrintGifError(); - return EXIT_FAILURE; - } - } - } - else { - for (i = 0; i < Height; i++) { - if (DGifGetLineByte(GifFile, &ScreenBuff[Row++][Col], - Width) == GIF_ERROR) { - PrintGifError(); - return EXIT_FAILURE; - } - } - } - break; - case EXTENSION_RECORD_TYPE: - /* Skip any extension blocks in file: */ - if (DGifGetExtension(GifFile, &ExtCode, &Extension) == GIF_ERROR) { - PrintGifError(); - return EXIT_FAILURE; - } - while (Extension != NULL) { - if (DGifGetExtensionNext(GifFile, &Extension) == GIF_ERROR) { - PrintGifError(); - return EXIT_FAILURE; - } - } - break; - case TERMINATE_RECORD_TYPE: - break; - default: /* Should be traps by DGifGetRecordType. */ - break; - } - } - while (RecordType != TERMINATE_RECORD_TYPE); - - /* Close file when done */ - if (DGifCloseFile(GifFile) == GIF_ERROR) { - PrintGifError(); - return EXIT_FAILURE; - } - - return 0; -} - -u16* paletteMem = (u16*)0x5000000; - -short x = 120; -short y = 60; -short n = 0; -short v = 0; - -int WaitInput(void) -{ - volatile int keys; - do - { - keys = ~REG_KEYINPUT; - - if (keys & KEY_B) - { - REG_BG2PA = 0x0080; - REG_BG2PD = 0x0080; - - if (keys & KEY_RIGHT) - { - if (x < 240) - ++x; - } - else if (keys & KEY_LEFT) - { - if (x > 0) - --x; - } - if (keys & KEY_DOWN) - { - if (y < 160) - ++y; - } - else if (keys & KEY_UP) - { - if (y > 0) - --y; - } - REG_BG2X = x << 7; - REG_BG2Y = y << 7; - } - else - { - // Normal: no pan offset - REG_BG2PA = 0x0100; - REG_BG2PD = 0x0100; - REG_BG2X = 0; - REG_BG2Y = 0; - } - while (REG_VCOUNT != 160); - } - while ((keys & (KEY_A|KEY_L|KEY_R)) == 0); - - if (keys & KEY_L) - if (n > 0) --n; else n = 2; - else - if (n < 2) ++n; else n = 0; - - return keys; -} - -int main(void) -{ - SetMode(4 | BG2_ENABLE); /* Enable mode 4 and turn on background 2. */ - do - { - memset(MODE3_FB, 0, 240*160*sizeof(short)); - const u8* pict; - switch (n) - { - case 1: - pict = cover; - break; - case 2: - pict = x_trans; - break; - default: - pict = porsche_240x160; - break; - } - /* Convert GIF to 256-color picture */ - DecodeGif(pict, (void*) MODE3_FB, paletteMem); - } - while ((WaitInput() & (KEY_START|KEY_SELECT)) == 0); - return 0; -} diff --git a/giflib-4.1.6/gba/giftest.dsp b/giflib-4.1.6/gba/giftest.dsp deleted file mode 100644 index 537cc45..0000000 --- a/giflib-4.1.6/gba/giftest.dsp +++ /dev/null @@ -1,157 +0,0 @@ -# Microsoft Developer Studio Project File - Name="giftest" - Package Owner=<4> -# Microsoft Developer Studio Generated Build File, Format Version 6.00 -# ** DO NOT EDIT ** - -# TARGTYPE "Win32 (x86) External Target" 0x0106 - -CFG=giftest - Win32 Debug -!MESSAGE This is not a valid makefile. To build this project using NMAKE, -!MESSAGE use the Export Makefile command and run -!MESSAGE -!MESSAGE NMAKE /f "giftest.mak". -!MESSAGE -!MESSAGE You can specify a configuration when running NMAKE -!MESSAGE by defining the macro CFG on the command line. For example: -!MESSAGE -!MESSAGE NMAKE /f "giftest.mak" CFG="giftest - Win32 Debug" -!MESSAGE -!MESSAGE Possible choices for configuration are: -!MESSAGE -!MESSAGE "giftest - Win32 Release" (based on "Win32 (x86) External Target") -!MESSAGE "giftest - Win32 Debug" (based on "Win32 (x86) External Target") -!MESSAGE - -# Begin Project -# PROP AllowPerConfigDependencies 0 -# PROP Scc_ProjName "" -# PROP Scc_LocalPath "" - -!IF "$(CFG)" == "giftest - Win32 Release" - -# PROP BASE Use_MFC 0 -# PROP BASE Use_Debug_Libraries 0 -# PROP BASE Output_Dir "Release" -# PROP BASE Intermediate_Dir "Release" -# PROP BASE Cmd_Line "NMAKE /f giftest.mak" -# PROP BASE Rebuild_Opt "/a" -# PROP BASE Target_File "giftest.exe" -# PROP BASE Bsc_Name "giftest.bsc" -# PROP BASE Target_Dir "" -# PROP Use_MFC 0 -# PROP Use_Debug_Libraries 0 -# PROP Output_Dir "Release" -# PROP Intermediate_Dir "Release" -# PROP Cmd_Line "vmake -f "giftest.mak"" -# PROP Rebuild_Opt "all" -# PROP Target_File "giftest.mb" -# PROP Bsc_Name "" -# PROP Target_Dir "" - -!ELSEIF "$(CFG)" == "giftest - Win32 Debug" - -# PROP BASE Use_MFC 0 -# PROP BASE Use_Debug_Libraries 1 -# PROP BASE Output_Dir "Debug" -# PROP BASE Intermediate_Dir "Debug" -# PROP BASE Cmd_Line "NMAKE /f giftest.mak" -# PROP BASE Rebuild_Opt "/a" -# PROP BASE Target_File "giftest.exe" -# PROP BASE Bsc_Name "giftest.bsc" -# PROP BASE Target_Dir "" -# PROP Use_MFC 0 -# PROP Use_Debug_Libraries 1 -# PROP Output_Dir "Debug" -# PROP Intermediate_Dir "Debug" -# PROP Cmd_Line "vmake -f "giftest.mak"" -# PROP Rebuild_Opt "all" -# PROP Target_File "giftest.mb" -# PROP Bsc_Name "" -# PROP Target_Dir "" - -!ENDIF - -# Begin Target - -# Name "giftest - Win32 Release" -# Name "giftest - Win32 Debug" - -!IF "$(CFG)" == "giftest - Win32 Release" - -!ELSEIF "$(CFG)" == "giftest - Win32 Debug" - -!ENDIF - -# Begin Group "Source Files" - -# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat" -# Begin Source File - -SOURCE=..\lib\dgif_lib.c -# End Source File -# Begin Source File - -SOURCE=..\lib\gif_err.c -# End Source File -# Begin Source File - -SOURCE=..\lib\gifalloc.c -# End Source File -# Begin Source File - -SOURCE=.\giftest.c -# End Source File -# Begin Source File - -SOURCE=.\giftest.mak -# End Source File -# Begin Source File - -SOURCE=".\res\porsche-240x160.c" -# End Source File -# End Group -# Begin Group "Header Files" - -# PROP Default_Filter "h;hpp;hxx;hm;inl" -# Begin Source File - -SOURCE=..\lib\gif_lib.h -# End Source File -# Begin Source File - -SOURCE=..\lib\gif_lib_private.h -# End Source File -# End Group -# Begin Group "Resource Files" - -# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe" -# Begin Source File - -SOURCE=.\res\cover.gif -# End Source File -# Begin Source File - -SOURCE=".\res\porsche-240x160.gif" -# End Source File -# Begin Source File - -SOURCE=".\res\x-trans.gif" -# End Source File -# End Group -# Begin Group "Output Files" - -# PROP Default_Filter "*.gba;*.mb" -# Begin Source File - -SOURCE=.\giftest.gba -# End Source File -# Begin Source File - -SOURCE=.\giftest.map -# End Source File -# Begin Source File - -SOURCE=.\giftest.mb -# End Source File -# End Group -# End Target -# End Project diff --git a/giflib-4.1.6/gba/giftest.mak b/giflib-4.1.6/gba/giftest.mak deleted file mode 100644 index b357dc1..0000000 --- a/giflib-4.1.6/gba/giftest.mak +++ /dev/null @@ -1,52 +0,0 @@ -APP = giftest -CC = arm-elf-gcc -AS = arm-elf-as -GCCBASE = c:/devkitpro/devkitARM -LIBGBA = c:/devkitpro/libgba/include -GCCDIR = $(GCCBASE)/lib/gcc/arm-elf/4.0.1 -GBAINC = -I $(GCCDIR)/include -I $(LIBGBA) -ARCH = -mthumb -mthumb-interwork -AFLAGS = $(GBAINC) $(ARCH) -CFLAGS = -c -g -Wall -D_GBA_OPTMEM -D_GBA_NO_FILEIO -O3 $(ARCH) -mcpu=arm7tdmi -ffast-math -I. $(GBAINC) -LFLAGS = $(ARCH) -specs=gba_mb.specs -Wl,-Map,$(APP).map - -build : $(APP).gba $(APP).mb - -all: clean build - -$(APP).gba : $(APP).elf - arm-elf-objcopy -v -O binary $(APP).elf $@ - -$(APP).mb : $(APP).gba - gba-header -i $(APP).gba -o $(APP).mb -fix - -$(APP).elf : giftest.o dgif_lib.o gif_err.o gifalloc.o - $(CC) -o $@ $(LFLAGS) giftest.o dgif_lib.o gif_err.o gifalloc.o - -giftest.o : giftest.c res/cover.c res/porsche-240x160.c res/x-trans.c - $(CC) $(CFLAGS) giftest.c - -dgif_lib.o : ../lib/dgif_lib.c - $(CC) $(CFLAGS) ../lib/dgif_lib.c - -gif_err.o : ../lib/gif_err.c - $(CC) $(CFLAGS) ../lib/gif_err.c - -gifalloc.o : ../lib/gifalloc.c - $(CC) $(CFLAGS) ../lib/gifalloc.c - -res/cover.c : res/cover.gif - bin2c $*.gif $@ cover - -res/porsche-240x160.c : res/porsche-240x160.gif - bin2c $*.gif $@ porsche_240x160 - -res/x-trans.c : res/x-trans.gif - bin2c $*.gif $@ x_trans - -clean : - rm -f *.o $(APP).elf $(APP).map $(APP).gba $(APP).mb res/*.c - -cln : clean - rm -f $(APP).dsw $(APP).ncb $(APP).opt $(APP).plg - rmdir Debug diff --git a/giflib-4.1.6/gba/res/cover.gif b/giflib-4.1.6/gba/res/cover.gif deleted file mode 100644 index 2e05f9c..0000000 Binary files a/giflib-4.1.6/gba/res/cover.gif and /dev/null differ diff --git a/giflib-4.1.6/gba/res/porsche-240x160.gif b/giflib-4.1.6/gba/res/porsche-240x160.gif deleted file mode 100644 index 898f4f5..0000000 Binary files a/giflib-4.1.6/gba/res/porsche-240x160.gif and /dev/null differ diff --git a/giflib-4.1.6/gba/res/x-trans.gif b/giflib-4.1.6/gba/res/x-trans.gif deleted file mode 100644 index 6dab62d..0000000 Binary files a/giflib-4.1.6/gba/res/x-trans.gif and /dev/null differ diff --git a/giflib-4.1.6/giflib.lsm b/giflib-4.1.6/giflib.lsm deleted file mode 100644 index dc2948e..0000000 --- a/giflib-4.1.6/giflib.lsm +++ /dev/null @@ -1,25 +0,0 @@ -Begin3 -Title: giflib -Version: 4.1.2 -Entered-date: 26MAY2004 -Description: A library for reading and writing gif images. This library - is an update of giflib-3.0 which has long languished without - bug-fixes and improvements. It implements a superset of that - library's API but is not binary compatible with it. It _is_ - binary compatible with libungif-4.1. Be warned that using - this library may require a license from Unisys (because of - their patent on LZW compression used in the gif format.) - Unless you really need to write compressed gifs, I would - suggest libungif (available from the same sites as this - library) as a better alternative. -Keywords: GIF library graphics utilities -Author: toshio@tiki-lounge.com (Toshio Kuratomi) -Maintained-by: toshio@tiki-lounge.com (Toshio Kuratomi) -Primary-site: download.sourceforge.net /libungif - 553k giflib-4.1.2.tar.gz -Alternate-site: -Original-site: download.sourceforge.net /libungif - 553k giflib-4.1.2.tar.gz -Platforms: -Copying-policy: MIT -End diff --git a/giflib-4.1.6/giflib.spec b/giflib-4.1.6/giflib.spec deleted file mode 100644 index 98c8bf1..0000000 --- a/giflib-4.1.6/giflib.spec +++ /dev/null @@ -1,114 +0,0 @@ -Summary: A library for manipulating GIF format image files. -Name: giflib -Version: 4.1.3 -Release: 1 -License: MIT -URL: http://sourceforge.net/projects/libungif/ -Source: http://osdn.dl.sourceforge.net/sourceforge/libungif/%{name}-%{version}.tar.bz2 -Group: System Environment/Libraries -BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n) -Obsoletes: libungif -Provides: libungif.so libungif - -%description -GIF loading and saving shared library. - -IMPORTANT! Please read /usr/doc/PATENT_PROBLEMS for information on -why using this library may put you at legal risk and what -alternatives you may have. - -%package devel -Summary: Development tools for programs which will use the giflib library. -Group: Development/Libraries -Requires: %{name} = %{version} - -%description devel -Libraries and headers needed for developing programs that use giflib -to load and save gif image files. - -IMPORTANT! Please read /usr/doc/PATENT_PROBLEMS for information on -why using this library may put you at legal risk and what -alternatives you may have. - -%package progs -Summary: Programs for manipulating GIF format image files. -Group: Applications/Multimedia -Requires: %{name} = %{version} - -%description progs -This package contains various programs for manipulating gif image files. - -IMPORTANT! Please read /usr/doc/PATENT_PROBLEMS for information on -why using this library may put you at legal risk and what -alternatives you may have. - -%prep -%setup - -%build -%configure -make all - -%install -rm -rf ${RPM_BUILD_ROOT} - -%{makeinstall} -ln -sf libungif.so.%{version} ${RPM_BUILD_ROOT}%{_libdir}/libgif.so.%{version} -ln -sf libgif.so.%{version} ${RPM_BUILD_ROOT}%{_libdir}/libgif.so.4 -ln -sf libgif.so.4 ${RPM_BUILD_ROOT}%{_libdir}/libgif.so -ln -sf libungif.a ${RPM_BUILD_ROOT}%{_libdir}/libgif.a - -chmod 755 ${RPM_BUILD_ROOT}%{_libdir}/*.so* -chmod 644 ${RPM_BUILD_ROOT}%{_libdir}/*.a* -chmod 644 COPYING README UNCOMPRESSED_GIF NEWS ONEWS -chmod 644 ChangeLog TODO BUGS AUTHORS -chmod 644 doc/* util/giffiltr.c util/gifspnge.c - -%clean -rm -rf ${RPM_BUILD_ROOT} - -%post -p /sbin/ldconfig - -%postun -p /sbin/ldconfig - -%files -%defattr(-,root,root) -%doc COPYING README PATENT_PROBLEMS NEWS ONEWS -%doc ChangeLog TODO BUGS AUTHORS -%{_libdir}/lib*.so.* - -%files devel -%defattr(-,root,root) -%doc doc/* util/giffiltr.c util/gifspnge.c -%{_libdir}/lib*.a -%{_libdir}/lib*.so -%{_libdir}/lib*.la -%{_includedir}/gif_lib.h - -%files progs -%attr(0755 root root) %{_bindir}/* - -%changelog -* Sat May 29 2004 Toshio Kuratomi - 4.1.3-1 -- Upgrade to version 4.1.3 - -* Wed May 26 2004 Toshio Kuratomi - 4.1.2-1 -- Upgrade to 4.1.2 - -* Tue Feb 17 2004 Toshio Kuratomi - 4.1.1-1 -- Upgrade to 4.1.1 -- Modernize the spec a bit - -* Tue Jan 19 1999 Toshio Kuratomi -- Upgrade to version 4.1 - + Fix a few minor memory leaks in error conditions. - + Add a new function EGifOpen( void *userData, OutputFunc writeFunc) that - allows user specified gif writing function. -- Merge spec file from libungif-3.1-5 - -* Fri Dec 17 1998 Toshio Kuratomi -- Add note to read PATENT_PROBLEMS. - -* Mon Dec 14 1998 Toshio Kuratomi -- Upgrade to version 4.0 (Fixes rather nasty behaviour when dealing with - Extensions.) diff --git a/giflib-4.1.6/install-sh b/giflib-4.1.6/install-sh deleted file mode 100755 index 4fbbae7..0000000 --- a/giflib-4.1.6/install-sh +++ /dev/null @@ -1,507 +0,0 @@ -#!/bin/sh -# install - install a program, script, or datafile - -scriptversion=2006-10-14.15 - -# This originates from X11R5 (mit/util/scripts/install.sh), which was -# later released in X11R6 (xc/config/util/install.sh) with the -# following copyright and license. -# -# Copyright (C) 1994 X Consortium -# -# Permission is hereby granted, free of charge, to any person obtaining a copy -# of this software and associated documentation files (the "Software"), to -# deal in the Software without restriction, including without limitation the -# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or -# sell copies of the Software, and to permit persons to whom the Software is -# furnished to do so, subject to the following conditions: -# -# The above copyright notice and this permission notice shall be included in -# all copies or substantial portions of the Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- -# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. -# -# Except as contained in this notice, the name of the X Consortium shall not -# be used in advertising or otherwise to promote the sale, use or other deal- -# ings in this Software without prior written authorization from the X Consor- -# tium. -# -# -# FSF changes to this file are in the public domain. -# -# Calling this script install-sh is preferred over install.sh, to prevent -# `make' implicit rules from creating a file called install from it -# when there is no Makefile. -# -# This script is compatible with the BSD install script, but was written -# from scratch. - -nl=' -' -IFS=" "" $nl" - -# set DOITPROG to echo to test this script - -# Don't use :- since 4.3BSD and earlier shells don't like it. -doit="${DOITPROG-}" -if test -z "$doit"; then - doit_exec=exec -else - doit_exec=$doit -fi - -# Put in absolute file names if you don't have them in your path; -# or use environment vars. - -mvprog="${MVPROG-mv}" -cpprog="${CPPROG-cp}" -chmodprog="${CHMODPROG-chmod}" -chownprog="${CHOWNPROG-chown}" -chgrpprog="${CHGRPPROG-chgrp}" -stripprog="${STRIPPROG-strip}" -rmprog="${RMPROG-rm}" -mkdirprog="${MKDIRPROG-mkdir}" - -posix_glob= -posix_mkdir= - -# Desired mode of installed file. -mode=0755 - -chmodcmd=$chmodprog -chowncmd= -chgrpcmd= -stripcmd= -rmcmd="$rmprog -f" -mvcmd="$mvprog" -src= -dst= -dir_arg= -dstarg= -no_target_directory= - -usage="Usage: $0 [OPTION]... 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The other two were released to usenet few month ago. -I do not think so, but let me know if I violate anything here. diff --git a/giflib-4.1.6/pic/cover.gif b/giflib-4.1.6/pic/cover.gif deleted file mode 100644 index 2e05f9c..0000000 Binary files a/giflib-4.1.6/pic/cover.gif and /dev/null differ diff --git a/giflib-4.1.6/pic/porsche.gif b/giflib-4.1.6/pic/porsche.gif deleted file mode 100644 index 916014e..0000000 Binary files a/giflib-4.1.6/pic/porsche.gif and /dev/null differ diff --git a/giflib-4.1.6/pic/sample.ico b/giflib-4.1.6/pic/sample.ico deleted file mode 100644 index 916fb6e..0000000 --- a/giflib-4.1.6/pic/sample.ico +++ /dev/null @@ -1,86 +0,0 @@ -# -# Example icon file -# -screen width 640 -screen height 480 -screen colors 16 -screen background 0 - -screen map - rgb 0 0 0 is . # Black - rgb 0 0 170 is 1 # Blue - rgb 0 170 0 is 2 # Green - rgb 0 170 170 is 3 # Cyan - rgb 170 0 0 is 4 # Red - rgb 170 0 170 is 5 # Magenta - rgb 170 170 0 is 6 # Brown - rgb 170 170 170 is 7 # LightGray - rgb 85 85 85 is X # DarkGray - rgb 85 85 255 is 9 # LightBlue - rgb 85 255 85 is A # LightGreen - rgb 85 255 255 is # # LightCyan - rgb 255 85 85 is C # LightRed - rgb 255 85 255 is D # LightMagenta - rgb 255 255 85 is E # Yellow - rgb 255 255 255 is F # White -end - -include solid2.gif # Use as 1st image - -# -# Shield -# -image -image top 30 -image left 50 -image bits 16 by 16 -################ -################ -##XXX######XXX## -##XXXXXXXXXXXX## -###XXXXXXXXXX### -###XXXXXXXXXX### -###XXXXXXXXXX### -###XXXXXXXXXX### -###XXXXXXXXXX### -###XXXXXXXXXX### -###XXXXXXXXXX### -####XXXXXXXX#### -#####XXXXXX##### -######XXXX###### -################ -################ - -extension fe # Matches conventions used elsewhere in giflib -This is a klugey way of embedding a comment in the GIF. -end - -# -# Questionmark -# -image -image top 30 -image left 500 -image bits 16 by 16 -......XXXXX..... -.....XXXXXXX.... -....XXX..XXXX... -...XXX....XXXX.. -...XXX....XXXX.. -....XX...XXXX... -........XXXX.... -.......XXXX..... -......XXXX...... -......XXXX...... -......XXXX...... -................ -.......XX....... -......XXXX...... -......XXXX...... -.......XX....... - -# The following sets edit modes for GNU EMACS -# Local Variables: -# mode:picture -# truncate-lines:t -# End: diff --git a/giflib-4.1.6/pic/solid2.gif b/giflib-4.1.6/pic/solid2.gif deleted file mode 100644 index 4e9524b..0000000 Binary files a/giflib-4.1.6/pic/solid2.gif and /dev/null differ diff --git a/giflib-4.1.6/pic/welcome2.gif b/giflib-4.1.6/pic/welcome2.gif deleted file mode 100644 index 0068b3f..0000000 Binary files a/giflib-4.1.6/pic/welcome2.gif and /dev/null differ diff --git a/giflib-4.1.6/pic/x-trans.gif b/giflib-4.1.6/pic/x-trans.gif deleted file mode 100644 index 6dab62d..0000000 Binary files a/giflib-4.1.6/pic/x-trans.gif and /dev/null differ diff --git a/giflib-4.1.6/test-unx b/giflib-4.1.6/test-unx deleted file mode 100755 index 104483e..0000000 --- a/giflib-4.1.6/test-unx +++ /dev/null @@ -1,69 +0,0 @@ -#!/bin/sh -# -# Tests for the GIFLIB utilities. -# Usage: -# test-unx [display_prgm] -# -# This test assumes the gif_lib utilities are available from one of the -# path directories, and that GIF_DIR is set (directly or through command line) -# to the directory holding these gif files: -# 1. solid2.gif -# 2. cover.gif -# 3. porsche.gif -# In addition, set GIF_DISPLAY ( directly or through command line) to the -# program to display gif files in our system. -# -# Gershon Elber, Feb 90. Rewritten by Eric Raymond, December 1995. -# Revised by Toshio Kuratomi December 1998. -PATH=$PATH:./util:${SRCDIR}/util -GIF_DIR=${SRCDIR}./pic -GIF_DISPLAY=${1:-"xv -"} -GIF_DISPLAY=${GIF_DISPLAY:-"gif2x11"} -#GIF_DIR=${1:-./pic} -#GIF_DISPLAY=${2:-gif2x11} - -echo "The Porsche." -echo "$GIF_DISPLAY <$GIF_DIR/porsche.gif" - -echo "The Porsche composited with a generated background" -util/gifbg -d tl -s 320 200 -c 255 255 255 -l 64 > bg1.gif -util/gifcomb $GIF_DIR/porsche.gif bg1.gif | $GIF_DISPLAY -rm -f bg1.gif - -echo "Color density report on the TNHD cover image" -util/gifhisto -t $GIF_DIR/cover.gif | sort -r | more - -echo "Color histogram of the Porsche image" -util/gifhisto -b -s 200 512 $GIF_DIR/porsche.gif | util/gifflip -l | $GIF_DISPLAY - -echo "The #2 solid flipped on its side" -util/gifflip -r $GIF_DIR/solid2.gif | util/gifrsize | $GIF_DISPLAY - -echo "TNHD cover flipped on its side" -util/gifflip -x $GIF_DIR/cover.gif | $GIF_DISPLAY - -echo "Scale the #2 solid by 0.45" -cp $GIF_DIR/solid2.gif sall.gif -util/gifrsize -s 0.45 sall.gif | $GIF_DISPLAY -rm -f s?.gif sall.gif - 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I can not add -Wimplicit as my system uses old cc -# h files. -# -# CC = gcc -# CFLAGS = $(INC) -O -s -W -Wreturn-type -Wcomment -# CFLAGS = $(INC) -g -pg -W -Wreturn-type -Wcomment - - -# For sun 4 (gunnars@ifi.uib.no). Tested using gcc 1.39. -# -# CFLAGS = $(INC) -O -s -sun4 -W -Wreturn-type -Wcomment -DUSE_VARARGS -# CFLAGS = $(INC) -g -sun4 -W -Wreturn-type -Wcomment -DUSE_VARARGS -# XLIBS = -lX11 - -# These are the flags for cc on SGI iris4d. O.S. IRIX 3.2. Note you must -# define XLIBS as well. -# -# CC = cc -# CFLAGS = $(INC) -O -s -DSYSV -DNO_VOID_PTR -Olimit 1000 -Wf,-XNh5000 -Wf,-XNd5000 -G 4 -# CFLAGS = $(INC) -g -p -DSYSV -DNO_VOID_PTR -Olimit 1000 -Wf,-XNh5000 -Wf,-XNd5000 -G 4 -# XLIBS = -lbsd -lX11 - -# These are the flags for xlc, ansi compiler for IBM R6000 -# -# CC = xlc -# CFLAGS = $(INC) -O -s -qnoro -D_POSIX_SOURCE -D_ALL_SOURCE -DR6000 -# CFLAGS = $(INC) -g -pg -qnoro -D_POSIX_SOURCE -D_ALL_SOURCE -DR6000 -# XLIBS = -lX11 - -# GNU CC 2.2 under System V Release 3.2 with AT&T's crocked-up X11R3 -# -# CC = gcc -# CFLAGS = $(INC) -fno-builtin -O -s -W -Wreturn-type -Wcomment -# CFLAGS = $(INC) -fno-builtin -g -lg -W -Wreturn-type -Wcomment -# XLIBS = -lX11 -lnls -lnsl_s -lpt -# X_INC_DIR = /usr/X/include -# X_LIB_DIR = /usr/X/lib - -# SVr4 using SGCS X11R5 -# -# CC = gcc -# CFLAGS = $(INC) -fno-builtin -O -s -W -Wreturn-type -Wcomment -# CFLAGS = $(INC) -fno-builtin -g -lg -W -Wreturn-type -Wcomment -# XLIBS = -lX11 -lsocket -lnsl -# X_INC_DIR = /usr/X/include -# X_LIB_DIR = /usr/X/lib - -# Linux using XFree86 -# -CC = gcc -#CFLAGS = $(INC) -fno-builtin -O -s -W -Wreturn-type -Wcomment -CFLAGS = $(INC) -fno-builtin -g -W -Wreturn-type -Wcomment -XLIBS = -lX11 -X_INC_DIR = /usr/X11/include -X_LIB_DIR = /usr/X11/lib - -BINARIES = gif2epsn gif2ps gif2rgb gif2x11 gifasm gifbg \ - gifclip gifclrmp gifcomb giffix gifflip gifhisto \ - gifinter gifinto gifovly gifpos gifrotat gifrsize giftext \ - gifwedge raw2gif rgb2gif text2gif gifspnge giffiltr \ - icon2gif gifcolor - -RLE = gif2rle rle2gif - -IRIS = gif2iris - -SCRIPTS = gifcompose gifburst - -all: $(BINARIES) -rle: $(RLE) -iris: $(IRIS) - -install-all: - cp $(BINARIES) $(SCRIPTS) $(DEST) - -install-rle: - cp $(RLE) $(DEST) - -install-iris: - cp $(IRIS) $(DEST) - -.c: - $(CC) $(CFLAGS) $< $(GIF_LIB) -lm $(LDFLAGS) -o $* - -uninstall-utils: - (cd $(DEST); rm -f $(BINARIES) $(RLE) $(IRIS) $(SCRIPTS)) - -gif2iris: gif2iris.c - $(CC) gif2iris.c $(CFLAGS) $(LDFLAGS) -lgl_s -o gif2iris - -gif2x11: gif2x11.c - $(CC) gif2x11.c $(CFLAGS) -I$(X_INC_DIR) -L$(X_LIB_DIR) $(LDFLAGS) $(GIF_LIB) $(XLIBS) -o gif2x11 - - -clean: - rm -f $(BINARIES) $(RLE) $(IRIS) diff --git a/giflib-4.1.6/util/gif2epsn.c b/giflib-4.1.6/util/gif2epsn.c deleted file mode 100644 index 1769dc0..0000000 --- a/giflib-4.1.6/util/gif2epsn.c +++ /dev/null @@ -1,614 +0,0 @@ -/***************************************************************************** -* "Gif-Lib" - Yet another gif library. * -* * -* Written by: Gershon Elber Ver 0.1, Jul. 1989 * -****************************************************************************** -* Program to dump GIF file into EPSON type printers * -* Options: * -* -q : quiet printing mode. * -* -d factor : use dithering of matrix of size factor by factor. * -* -t level : set the threshold level of white in the result (0..100). * -* -m mapping : methods for mapping the 24bits colors into 1 BW bit. * -* -p printer : specify printer to print to (lpt1: by default). * -* -n : nice mode : uses double density to achieve better quality. * -* -i : invert the image. * -* -h : on-line help. * -****************************************************************************** -* History: * -* 15 Jul 89 - Version 1.0 by Gershon Elber. * -* 22 Dec 89 - Fix problems with const strings been modified (Version 1.1). * -*****************************************************************************/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#ifdef __MSDOS__ -#include -#include -#include -#include -#include -#include -#endif /* __MSDOS__ */ - -#ifndef __MSDOS__ -#include -#endif -#include -#include -#include -#ifdef HAVE_FCNTL_H -#include -#endif /* HAVE_FCNTL_H */ -#include "gif_lib.h" -#include "getarg.h" - -#define PROGRAM_NAME "Gif2Epsn" - -#define C2BW_BACK_GROUND 0 /*Methods to map 24bits Colors to 1 BW bit.*/ -#define C2BW_GREY_LEVELS 1 -#define C2BW_DITHER 2 -#define C2BW_NUM_METHODS 3 /* Always hold # of methods. */ - -#define DEFAULT_THRESHOLD 5000 /* Color->BW threshold level. */ - -#define DITHER_MIN_MATRIX 2 -#define DITHER_MAX_MATRIX 4 - -/* The epson specific are defined here: */ -#define EPSON_WIDTH 80 /* 80 char per line. */ -#define EPSON_PIXEL_2_CHAR 8 /* 8 pixels per char, in REG_DENSITY. */ - -#define EPSON_ESC "\033" /* Actually regular escape char. */ -#define EPSON_RESET "\033@" /* Reset the printer. */ -#define EPSON_VERTICAL_SPACE "\033A\010" /* 8/72 inch vertically. */ -#define EPSON_REG_DENSITY "\033K" /* 640 pixels per 7.5" (line). */ -#define EPSON_DUAL_DENSITY "\033L" /* 1280 pixels per 7.5" (line). */ - -#ifdef __MSDOS__ -extern unsigned int - _stklen = 16384; /* Increase default stack size. */ -#endif /* __MSDOS__ */ - -#ifdef SYSV -static char *VersionStr = - "Gif toolkit module,\t\tGershon Elber\n\ - (C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = "Gif2Epsn q%- d%-DitherSize!d t%-BWThreshold!d m%-Mapping!d i%- n%- p%-PrinterName!s h%- GifFile!*s"; -#else -static char - *VersionStr = - PROGRAM_NAME - GIF_LIB_VERSION - " Gershon Elber, " - __DATE__ ", " __TIME__ "\n" - "(C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = - PROGRAM_NAME - " q%- d%-DitherSize!d t%-BWThreshold!d m%-Mapping!d i%- n%- p%-PrinterName!s h%- GifFile!*s"; -#endif /* SYSV */ - -static char - *PrinterName = NULL; -/* Make some variables global, so we could access them faster: */ -static int - ImageNum = 0, - BackGround = 0, - DitherSize = 2, DitherFlag = FALSE, - BWThresholdFlag = FALSE, Threshold, - BWThreshold = DEFAULT_THRESHOLD, /* Color->BW mapping threshold. */ - Mapping, MappingFlag = FALSE, - InvertFlag = FALSE, - NiceFlag = FALSE, - PrinterFlag = FALSE, - HelpFlag = FALSE, - ColorToBWMapping = C2BW_BACK_GROUND, - InterlacedOffset[] = { 0, 4, 2, 1 }, /* The way Interlaced image should */ - InterlacedJumps[] = { 8, 8, 4, 2 }; /* be read - offsets and jumps... */ -static GifColorType - *ColorMap; - -static void EvalDitheredScanline(GifRowType *ScreenBuffer, int Row, - int RowSize, GifRowType *DitherBuffer); -static void DumpScreen2Epsn(GifRowType *ScreenBuffer, - int ScreenWidth, int ScreenHeight); -static void PutString(FILE *Prt, int DirectPrint, char *Str, int Len); -static void PutString2(FILE *Prt, int DirectPrint, char *Str, int Len); - -/****************************************************************************** -* Interpret the command line and scan the given GIF file. * -******************************************************************************/ -int main(int argc, char **argv) -{ - int i, j, Error, NumFiles, Size, Row, Col, Width, Height, ExtCode, Count; - GifRecordType RecordType; - GifByteType *Extension; - char **FileName = NULL; - GifRowType *ScreenBuffer; - GifFileType *GifFile; - - if ((Error = GAGetArgs(argc, argv, CtrlStr, - &GifQuietPrint, &DitherFlag, &DitherSize, - &BWThresholdFlag, &Threshold, - &MappingFlag, &Mapping, &InvertFlag, - &NiceFlag, &PrinterFlag, &PrinterName, &HelpFlag, - &NumFiles, &FileName)) != FALSE || - (NumFiles > 1 && !HelpFlag)) { - if (Error) - GAPrintErrMsg(Error); - else if (NumFiles > 1) - GIF_MESSAGE("Error in command line parsing - one GIF file please."); - GAPrintHowTo(CtrlStr); - exit(EXIT_FAILURE); - } - - if (HelpFlag) { - fprintf(stderr, VersionStr); - GAPrintHowTo(CtrlStr); - exit(EXIT_SUCCESS); - } - - if (!PrinterFlag) PrinterName = ""; - - if (DitherFlag) { - /* Make sure we are o.k.: */ - if (DitherSize > DITHER_MAX_MATRIX) DitherSize = DITHER_MAX_MATRIX; - if (DitherSize < DITHER_MIN_MATRIX) DitherSize = DITHER_MAX_MATRIX; - } - - /* As Threshold is in [0..100] range and BWThreshold is [0..25500]: */ - if (BWThresholdFlag) { - if (Threshold > 100 || Threshold < 0) - GIF_EXIT("Threshold not in 0..100 percent."); - BWThreshold = Threshold * 255; - if (BWThreshold == 0) BWThreshold = 1; /* Overcome divide by zero! */ - } - - /* No message is emitted, but mapping method is clipped to exists method.*/ - if (MappingFlag) ColorToBWMapping = Mapping % C2BW_NUM_METHODS; - - if (NumFiles == 1) { - if ((GifFile = DGifOpenFileName(*FileName)) == NULL) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - else { - /* Use the stdin instead: */ - -#ifdef __MSDOS__ - setmode(0, O_BINARY); -#endif /* __MSDOS__ */ - if ((GifFile = DGifOpenFileHandle(0)) == NULL) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - - /* Allocate the screen as vector of column of rows. We cannt allocate */ - /* the all screen at once, as this broken minded CPU can allocate up to */ - /* 64k at a time and our image can be bigger than that: */ - /* Note this screen is device independent - its the screen as defined by */ - /* the GIF file parameters itself. */ - if ((ScreenBuffer = (GifRowType *) - malloc(GifFile->SHeight * sizeof(GifRowType *))) == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - - Size = GifFile->SWidth * sizeof(GifPixelType);/* Size in bytes one row.*/ - if ((ScreenBuffer[0] = (GifRowType) malloc(Size)) == NULL) /* First row. */ - GIF_EXIT("Failed to allocate memory required, aborted."); - - for (i = 0; i < GifFile->SWidth; i++) /* Set its color to BackGround. */ - ScreenBuffer[0][i] = GifFile->SBackGroundColor; - for (i = 1; i < GifFile->SHeight; i++) { - /* Allocate the other rows, andset their color to background too: */ - if ((ScreenBuffer[i] = (GifRowType) malloc(Size)) == NULL) - GIF_EXIT("Failed to allocate memory required, aborted.\n"); - - memcpy(ScreenBuffer[i], ScreenBuffer[0], Size); - } - - /* Scan the content of the GIF file and load the image(s) in: */ - do { - if (DGifGetRecordType(GifFile, &RecordType) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - switch (RecordType) { - case IMAGE_DESC_RECORD_TYPE: - if (DGifGetImageDesc(GifFile) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - Row = GifFile->Image.Top; /* Image Position relative to Screen. */ - Col = GifFile->Image.Left; - Width = GifFile->Image.Width; - Height = GifFile->Image.Height; - GifQprintf("\n%s: Image %d at (%d, %d) [%dx%d]: ", - PROGRAM_NAME, ++ImageNum, Col, Row, Width, Height); - if (GifFile->Image.Left + GifFile->Image.Width > GifFile->SWidth || - GifFile->Image.Top + GifFile->Image.Height > GifFile->SHeight) { - fprintf(stderr, "Image %d is not confined to screen dimension, aborted.\n",ImageNum); - exit(EXIT_FAILURE); - } - if (GifFile->Image.Interlace) { - /* Need to perform 4 passes on the images: */ - for (Count = i = 0; i < 4; i++) - for (j = Row + InterlacedOffset[i]; j < Row + Height; - j += InterlacedJumps[i]) { - GifQprintf("\b\b\b\b%-4d", Count++); - if (DGifGetLine(GifFile, &ScreenBuffer[j][Col], - Width) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - } - else { - for (i = 0; i < Height; i++) { - GifQprintf("\b\b\b\b%-4d", i); - if (DGifGetLine(GifFile, &ScreenBuffer[Row++][Col], - Width) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - } - break; - case EXTENSION_RECORD_TYPE: - /* Skip any extension blocks in file: */ - if (DGifGetExtension(GifFile, &ExtCode, &Extension) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - while (Extension != NULL) { - if (DGifGetExtensionNext(GifFile, &Extension) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - break; - case TERMINATE_RECORD_TYPE: - break; - default: /* Should be traps by DGifGetRecordType. */ - break; - } - } - while (RecordType != TERMINATE_RECORD_TYPE); - - /* Lets display it - set the global variables required and do it: */ - BackGround = GifFile->SBackGroundColor; - ColorMap = (GifFile->Image.ColorMap ? GifFile->Image.ColorMap->Colors : - (GifFile->SColorMap ? GifFile->SColorMap->Colors : - NULL)); - if (ColorMap == NULL) { - fprintf(stderr, "Gif Image does not have a colormap\n"); - exit(EXIT_FAILURE); - } - DumpScreen2Epsn(ScreenBuffer, GifFile->SWidth, GifFile->SHeight); - - if (DGifCloseFile(GifFile) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - - return 0; -} - -/***************************************************************************** -* Routine to evaluate dithered scanlines out of given ones, using Size * -* dithering matrix, starting from Row. The given scanlines are NOT modified. * -*****************************************************************************/ -static void EvalDitheredScanline(GifRowType *ScreenBuffer, int Row, - int RowSize, GifRowType *DitherBuffer) -{ - static char Dither2[2][2] = { /* See Foley & Van Dam pp. 597-601. */ - { 1, 3 }, - { 4, 2 } - }; - static char Dither3[3][3] = { - { 7, 9, 5 }, - { 2, 1, 4 }, - { 6, 3, 8 } - }; - static char Dither4[4][4] = { - { 1, 9, 3, 11 }, - { 13, 5, 15, 7 }, - { 4, 12, 2, 10 }, - { 16, 8, 14, 6 } - }; - int i, j, k, Level; - long Intensity; - GifColorType *ColorMapEntry; - - /* Scan the Rows (Size rows) evaluate intensity every Size pixel and use */ - /* the dither matrix to set the dithered result; */ - for (i = 0; i <= RowSize - DitherSize; i += DitherSize) { - Intensity = 0; - for (j = Row; j < Row + DitherSize; j++) - for (k = 0; k < DitherSize; k++) { - ColorMapEntry = &ColorMap[ScreenBuffer[j][i+k]]; - Intensity += 30 * ((int) ColorMapEntry->Red) + - 59 * ((int) ColorMapEntry->Green) + - 11 * ((int) ColorMapEntry->Blue); - } - - /* Find the intensity level (between 0 and Size^2) of our matrix: */ - /* Expression is "Intensity * BWThreshold / (25500 * DefThresh)" */ - /* but to prevent from overflow in the long evaluation we do this: */ - Level = ((Intensity / 2550) * ((long) DEFAULT_THRESHOLD) / - (((long) BWThreshold) * 10)); - switch (DitherSize) { - case 2: - for (j = 0; j < DitherSize; j++) - for (k = 0; k < DitherSize; k++) - DitherBuffer[j][i+k] = Dither2[j][k] <= Level; - break; - case 3: - for (j = 0; j < DitherSize; j++) - for (k = 0; k < DitherSize; k++) - DitherBuffer[j][i+k] = Dither3[j][k] <= Level; - break; - case 4: - for (j = 0; j < DitherSize; j++) - for (k = 0; k < DitherSize; k++) - DitherBuffer[j][i+k] = Dither4[j][k] <= Level; - break; - } - } -} - -/****************************************************************************** -* The real dumping routine. Few things are taken into account: * -* 1. The Nice flag. If TRUE each pixel is printed twice in double density. * -* 2. The Invert flag. If TRUE each pixel before drawn is inverted. * -* 3. The rendering mode and dither matrix flag if dithering is selected. * -* The image is drawn from ScreenBuffer ScreenTop/Left in the bottom/right * -* directions. * -* Unfortunatelly, there is a BUG in DOS that does not handle ctrl-Z * -* correctly if we open lptx: device in binary mode (should treat it as any * -* other char). Therefore I had to write to it directly using biosprint. I * -* dont like it either, and if you have better way to do it, let me know. * -******************************************************************************/ -static void DumpScreen2Epsn(GifRowType *ScreenBuffer, - int ScreenWidth, int ScreenHeight) -{ - int i, j, p, Size, LeftCWidth, Len, DirectPrint = 0, - DitheredLinesLeft = 0, DitheredLinesCount = 0, MapInvert[2]; - char LinePrefixLen[2]; /* Length of scan line. */ - GifByteType *EpsonBuffer; - GifPixelType *Line; - GifRowType *DitherBuffer; - GifColorType *ColorMapEntry; - FILE *Prt = NULL; - -#ifdef __MSDOS__ - for (i = 0; i < strlen(PrinterName); i++) - if (islower(PrinterName[i])) - PrinterName[i] = toupper(PrinterName[i]); - - if (strcmp(PrinterName, "LPT1") == 0 || - strcmp(PrinterName, "PRN") == 0) - DirectPrint = 1; - else if (strcmp(PrinterName, "LPT2") == 0) - DirectPrint = 2; - else if (strcmp(PrinterName, "LPT3") == 0) - DirectPrint = 3; -#endif /* __MSDOS__ */ - - if (!DirectPrint) { - if (strlen(PrinterName) == 0) { -#ifdef __MSDOS__ - setmode(1, O_BINARY); /* Make sure it is in binary mode. */ -#endif - Prt = stdout; - } - else - { - Prt = fopen(PrinterName, "wb"); - if (Prt == NULL) - { - GIF_EXIT("Failed to open output (printer) file."); - } - -#ifdef __MSDOS__ - if (setvbuf(Prt, NULL, _IOFBF, GIF_FILE_BUFFER_SIZE)) - { - GIF_EXIT("Failed to open output (printer) file."); - } -#endif - } - } - - if ((EpsonBuffer = (GifByteType *) malloc(ScreenWidth)) == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - - /* Allocate the buffer to save the dithered information. */ - if (ColorToBWMapping == C2BW_DITHER) { - if ((DitherBuffer = (GifRowType *) - malloc(DITHER_MAX_MATRIX * sizeof(GifRowType *))) != NULL) { - Size = ScreenWidth * sizeof(GifPixelType); /* Size of one row. */ - for (i = 0; i < DITHER_MAX_MATRIX; i++) { - if ((DitherBuffer[i] = (GifRowType) malloc(Size)) == NULL) { - DitherBuffer = NULL; - break; - } - } - } - if (DitherBuffer == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - } - else - DitherBuffer = NULL; - - /* Reset the printer, and make sure no space between adjacent lines: */ - PutString(Prt, DirectPrint, EPSON_RESET, 2); - PutString(Prt, DirectPrint, EPSON_VERTICAL_SPACE, 3); - - /* Prepar left spacing to begin with, so image will be in the middle. */ - LeftCWidth = (EPSON_WIDTH - (ScreenWidth / EPSON_PIXEL_2_CHAR)) / 2; - - if (InvertFlag) { /* Make the inversion as fast a possible. */ - MapInvert[0] = 1; - MapInvert[1] = 0; - } - else { - MapInvert[0] = 0; - MapInvert[1] = 1; - } - - for (i = 0, p = 0; i < ScreenHeight; i++, p++) { - GifQprintf("\b\b\b\b%-4d", ScreenHeight - i); - Line = ScreenBuffer[i]; - - /* If 8 lines were accumulated in printer buffer - dump them out. */ - if (p == 8) { - for (Len = ScreenWidth-1; Len >= 0; Len--) - if (EpsonBuffer[Len]) break; - - /* Only in case this line is not empty: */ - if (Len++ >= 0) { - /* Make the left space, so image will be centered: */ - for (j = 0; j < LeftCWidth; j++) - PutString(Prt, DirectPrint, " ", 1); - - /* Full printer line is ready to be dumped - send it out: */ - if (NiceFlag) { - PutString(Prt, DirectPrint, EPSON_DUAL_DENSITY, 2); - LinePrefixLen[0] = (Len * 2) % 256; - LinePrefixLen[1] = (Len * 2) / 256; - PutString(Prt, DirectPrint, LinePrefixLen, 2); - PutString2(Prt, DirectPrint, (char *) EpsonBuffer, Len); - } - else { - PutString(Prt, DirectPrint, EPSON_REG_DENSITY, 2); - LinePrefixLen[0] = Len % 256; - LinePrefixLen[1] = Len / 256; - PutString(Prt, DirectPrint, LinePrefixLen, 2); - PutString(Prt, DirectPrint, (char *) EpsonBuffer, Len); - } - } - PutString(Prt, DirectPrint, "\015\012", 2); - p = 0; - } - - /* We decide right here what method to map Colors to BW so the inner */ - /* loop will be independent of it (and therefore faster): */ - switch(ColorToBWMapping) { - case C2BW_BACK_GROUND: - for (j = 0; j < ScreenWidth; j++) - EpsonBuffer[j] = (EpsonBuffer[j] << 1) + - MapInvert[Line[j] != BackGround]; - break; - case C2BW_GREY_LEVELS: - for (j = 0; j < ScreenWidth; j++) { - ColorMapEntry = &ColorMap[Line[j]]; - /* For the transformation from RGB to BW, see Folley & */ - /* Van Dam pp 613: The Y channel is the BW we need: */ - /* As colors are 255 maximum, the result can be up to */ - /* 25500 which is still in range of our 16 bits integers */ - EpsonBuffer[j] = (EpsonBuffer[j] << 1) + - MapInvert[(30 * (int) ColorMapEntry->Red) + - 59 * ((int) ColorMapEntry->Green) + - 11 * ((int) ColorMapEntry->Blue) > - BWThreshold]; - } - break; - case C2BW_DITHER: - if (DitheredLinesLeft-- == 0) { - EvalDitheredScanline(ScreenBuffer, - (i < ScreenHeight - DitherSize ? i : - ScreenHeight - DitherSize), - ScreenWidth, DitherBuffer); - DitheredLinesLeft = DitherSize - 1; - DitheredLinesCount = 0; - } - Line = DitherBuffer[DitheredLinesCount++]; - for (j = 0; j < ScreenWidth; j++) - EpsonBuffer[j] = (EpsonBuffer[j] << 1) + - MapInvert[Line[j]]; - break; - } - } - - /* If buffer in incomplete - complete it and dump it out: */ - if (p != 0) { - for (Len = ScreenWidth - 1; Len >= 0; Len--) - if (EpsonBuffer[Len]) break; - if (Len++ >= 0) { - i = 8 - p; /* Amount to shift. */ - for (j = 0; j < ScreenWidth; j++) EpsonBuffer[j] <<= i; - - /* Make the left space, so image will be centered: */ - for (j = 0; j < LeftCWidth; j++) - PutString(Prt, DirectPrint, " ", 1); - - if (NiceFlag) { - PutString(Prt, DirectPrint, EPSON_DUAL_DENSITY, 2); - LinePrefixLen[0] = (Len * 2) % 256; - LinePrefixLen[1] = (Len * 2) / 256; - PutString(Prt, DirectPrint, LinePrefixLen, 2); - PutString2(Prt, DirectPrint, (char *) EpsonBuffer, Len); - } - else { - PutString(Prt, DirectPrint, EPSON_REG_DENSITY, 2); - LinePrefixLen[0] = Len % 256; - LinePrefixLen[1] = Len / 256; - PutString(Prt, DirectPrint, LinePrefixLen, 2); - PutString(Prt, DirectPrint, (char *) EpsonBuffer, Len); - } - } - PutString(Prt, DirectPrint, "\015\012", 2); - } - - fclose(Prt); -} - -/****************************************************************************** -* Dumps the string of given length, to Prt. No char in Str has special * -* meaning, and even zero (NULL) chars are dumped. * -* If however DirectPrint is non zero, string is dumped to specifed lpt port. * -******************************************************************************/ -static void PutString(FILE *Prt, int DirectPrint, char *Str, int Len) -{ - int i; - - if (DirectPrint) { -#ifdef __MSDOS__ - for (i = 0; i < Len; i++) biosprint(0, Str[i], DirectPrint - 1); -#else - GIF_EXIT("Can not print directly to a printer if not MSDOS."); -#endif /* __MSDOS__ */ - } - else - for (i = 0; i < Len; i++) fputc(Str[i], Prt); -} - -/****************************************************************************** -* Dumps the string of given length, to Prt. No char in Str has special * -* meaning, and even zero (NULL) chars are dumped. Every char is dumped twice. * -* If however DirectPrint is non zero, string is dumped to specifed lpt port. * -******************************************************************************/ -static void PutString2(FILE *Prt, int DirectPrint, char *Str, int Len) -{ - int i; - - if (DirectPrint) { -#ifdef __MSDOS__ - for (i = 0; i < Len; i++) { - biosprint(0, Str[i], DirectPrint - 1); - biosprint(0, Str[i], DirectPrint - 1); - } -#else - GIF_EXIT("Can not print directly to a printer if not MSDOS."); -#endif /* __MSDOS__ */ - } - else - for (i = 0; i < Len; i++) { - fputc(Str[i], Prt); - fputc(Str[i], Prt); - } -} diff --git a/giflib-4.1.6/util/gif2iris.c b/giflib-4.1.6/util/gif2iris.c deleted file mode 100644 index e28cbd7..0000000 --- a/giflib-4.1.6/util/gif2iris.c +++ /dev/null @@ -1,294 +0,0 @@ -/***************************************************************************** -* "Gif-Lib" - Yet another gif library. * -* * -* Written by: Gershon Elber UNIX Ver 0.1, Jul. 1989 * -****************************************************************************** -* Program to display GIF file under X11 window system. * -* Options: * -* -q : quiet printing mode. * -* -f : force the process to be in foreground. * -* -p PosX PosY : defines the position where to put the image. * -* -h : on-line help. * -****************************************************************************** -* History: * -* 13 mar 90 - Version 1.0 by Gershon Elber. * -*****************************************************************************/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#include -#ifdef __MSDOS__ -#include -#include -#include -#include -#include -#endif /* __MSDOS__ */ - -#include "gl.h" -#include "device.h" - -#include -#include -#include -#ifdef HAVE_FCNTL_H -#include -#endif /* HAVE_FCNTL_H */ -#include "gif_lib.h" -#include "getarg.h" - -#define PROGRAM_NAME "Gif2Iris" - -#define ABS(x) ((x) > 0 ? (x) : (-(x))) - -#ifdef __MSDOS__ -extern unsigned int - _stklen = 16384; /* Increase default stack size. */ -#endif /* __MSDOS__ */ -#ifdef SYSV -static char *VersionStr = - "Gif toolkit module,\t\tGershon Elber\n\ - (C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = "Gif2Iris q%- f%- p%-PosX|PosY!d!d h%- GifFile!*s"; -#else -static char - *VersionStr = - PROGRAM_NAME - GIF_LIB_VERSION - " Gershon Elber, " - __DATE__ ", " __TIME__ "\n" - "(C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = - PROGRAM_NAME - " q%- f%- p%-PosX|PosY!d!d h%- GifFile!*s"; -#endif /* SYSV */ - -/* Make some variables global, so we could access them faster: */ -static int - PosFlag = FALSE, - HelpFlag = FALSE, - ForeGroundFlag = FALSE, - ColorMapSize = 0, - BackGround = 0, - IrisPosX = 0, - IrisPosY = 0, - InterlacedOffset[] = { 0, 4, 2, 1 }, /* The way Interlaced image should. */ - InterlacedJumps[] = { 8, 8, 4, 2 }; /* be read - offsets and jumps... */ -static GifColorType - *ColorMap; - -static void Screen2Iris(GifRowType *ScreenBuffer, - int ScreenWidth, int ScreenHeight); - -/****************************************************************************** -* Interpret the command line and scan the given GIF file. * -******************************************************************************/ -int main(int argc, char **argv) -{ - int i, j, Error, NumFiles, ImageNum = 0, Size, Row, Col, Width, Height, - ExtCode, Count; - GifRecordType RecordType; - GifByteType *Extension; - char **FileName = NULL; - GifRowType *ScreenBuffer; - GifFileType *GifFile; - - if ((Error = GAGetArgs(argc, argv, CtrlStr, - &GifQuietPrint, &ForeGroundFlag, - &PosFlag, &IrisPosX, &IrisPosY, - &HelpFlag, &NumFiles, &FileName)) != FALSE || - (NumFiles > 1 && !HelpFlag)) { - if (Error) - GAPrintErrMsg(Error); - else if (NumFiles > 1) - GIF_MESSAGE("Error in command line parsing - one GIF file please."); - GAPrintHowTo(CtrlStr); - exit(EXIT_FAILURE); - } - - if (HelpFlag) { - fprintf(stderr, VersionStr); - GAPrintHowTo(CtrlStr); - exit(EXIT_SUCCESS); - } - - if (NumFiles == 1) { - if ((GifFile = DGifOpenFileName(*FileName)) == NULL) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - else { - /* Use the stdin instead: */ - -#ifdef __MSDOS__ - setmode(0, O_BINARY); -#endif /* __MSDOS__ */ - if ((GifFile = DGifOpenFileHandle(0)) == NULL) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - - /* Allocate the screen as vector of column of rows. We cannt allocate */ - /* the all screen at once, as this broken minded CPU can allocate up to */ - /* 64k at a time and our image can be bigger than that: */ - /* Note this screen is device independent - its the screen as defined by */ - /* the GIF file parameters itself. */ - if ((ScreenBuffer = (GifRowType *) - malloc(GifFile->SHeight * sizeof(GifRowType *))) == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - - Size = GifFile->SWidth * sizeof(GifPixelType);/* Size in bytes one row.*/ - if ((ScreenBuffer[0] = (GifRowType) malloc(Size)) == NULL) /* First row. */ - GIF_EXIT("Failed to allocate memory required, aborted."); - - for (i = 0; i < GifFile->SWidth; i++) /* Set its color to BackGround. */ - ScreenBuffer[0][i] = GifFile->SBackGroundColor; - for (i = 1; i < GifFile->SHeight; i++) { - /* Allocate the other rows, and set their color to background too: */ - if ((ScreenBuffer[i] = (GifRowType) malloc(Size)) == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - - memcpy(ScreenBuffer[i], ScreenBuffer[0], Size); - } - - /* Scan the content of the GIF file and load the image(s) in: */ - do { - if (DGifGetRecordType(GifFile, &RecordType) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - switch (RecordType) { - case IMAGE_DESC_RECORD_TYPE: - if (DGifGetImageDesc(GifFile) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - Row = GifFile->Image.Top; /* Image Position relative to Screen. */ - Col = GifFile->Image.Left; - Width = GifFile->Image.Width; - Height = GifFile->Image.Height; - GifQprintf("\n%s: Image %d at (%d, %d) [%dx%d]: ", - PROGRAM_NAME, ++ImageNum, Col, Row, Width, Height); - if (GifFile->Image.Left + GifFile->Image.Width > GifFile->SWidth || - GifFile->Image.Top + GifFile->Image.Height > GifFile->SHeight) { - fprintf(stderr, "Image %d is not confined to screen dimension, aborted.\n", ImageNum); - exit(EXIT_FAILURE); - } - if (GifFile->Image.Interlace) { - /* Need to perform 4 passes on the images: */ - for (Count = i = 0; i < 4; i++) - for (j = Row + InterlacedOffset[i]; j < Row + Height; - j += InterlacedJumps[i]) { - GifQprintf("\b\b\b\b%-4d", Count++); - if (DGifGetLine(GifFile, &ScreenBuffer[j][Col], - Width) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - } - else { - for (i = 0; i < Height; i++) { - GifQprintf("\b\b\b\b%-4d", i); - if (DGifGetLine(GifFile, &ScreenBuffer[Row++][Col], - Width) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - } - break; - case EXTENSION_RECORD_TYPE: - /* Skip any extension blocks in file: */ - if (DGifGetExtension(GifFile, &ExtCode, &Extension) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - while (Extension != NULL) { - if (DGifGetExtensionNext(GifFile, &Extension) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - break; - case TERMINATE_RECORD_TYPE: - break; - default: /* Should be traps by DGifGetRecordType. */ - break; - } - } - while (RecordType != TERMINATE_RECORD_TYPE); - - /* Lets display it - set the global variables required and do it: */ - BackGround = GifFile->SBackGroundColor; - ColorMap = (GifFile->Image.ColorMap ? GifFile->Image.ColorMap : - GifFile->SColorMap); - if (ColorMap == NULL) { - fprintf(stderr, "Gif Image does not have a colormap\n"); - exit(EXIT_FAILURE); - } - ColorMapSize = 1 << ColorMap->BitsPerPixel; - GifQprintf("\n"); - Screen2Iris(ScreenBuffer, GifFile->SWidth, GifFile->SHeight); - - if (DGifCloseFile(GifFile) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - - return 0; -} - -/****************************************************************************** -* The real display routine. * -******************************************************************************/ -static void Screen2Iris(GifRowType *ScreenBuffer, - int ScreenWidth, int ScreenHeight) -{ - short Val; - int i, j; - unsigned long *IrisScreenBuffer, *PBuffer; - - if (ScreenWidth > XMAXSCREEN + 1 || - ScreenHeight > YMAXSCREEN + 1) - GIF_EXIT("Input image is too big."); - - if (PosFlag) - prefposition(IrisPosX, IrisPosX + ScreenWidth - 1, - IrisPosY, IrisPosY + ScreenHeight - 1); - else - prefsize(ScreenWidth, ScreenHeight); - if (ForeGroundFlag) - foreground(); - - winopen(PROGRAM_NAME); - RGBmode(); - gconfig(); - if ((IrisScreenBuffer = (unsigned long *) - malloc(ScreenWidth * ScreenHeight * sizeof(unsigned long))) == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - - PBuffer = IrisScreenBuffer; - for (i = ScreenHeight - 1; i >= 0; i--) - for (j = 0; j < ScreenWidth; j++) - *PBuffer++ = ColorMap[ScreenBuffer[i][j]].Red + - (ColorMap[ScreenBuffer[i][j]].Green << 8) + - (ColorMap[ScreenBuffer[i][j]].Blue << 16); - - reshapeviewport(); - lrectwrite(0, 0, ScreenWidth - 1, ScreenHeight - 1, IrisScreenBuffer); - - while (TRUE) { - if (qread(&Val) == REDRAW) { - reshapeviewport(); - lrectwrite(0, 0, ScreenWidth - 1, ScreenHeight - 1, - IrisScreenBuffer); - } - } -} diff --git a/giflib-4.1.6/util/gif2ps.c b/giflib-4.1.6/util/gif2ps.c deleted file mode 100644 index 92bfc21..0000000 --- a/giflib-4.1.6/util/gif2ps.c +++ /dev/null @@ -1,404 +0,0 @@ -/***************************************************************************** -* "Gif-Lib" - Yet another gif library. * -* * -* Written by: Gershon Elber Ver 0.1, Jul. 1989 * -****************************************************************************** -* Program to dump GIF file into PostScript type printers * -* Options: * -* -q : quiet printing mode. * -* -x : force image to be horizontal. * -* -y : force image to be vertical. * -* -s x y : force image to be of given size. * -* -p x y : force image to be positioned at given position in page. * -* -i : invert the image. * -* -n n : number of copies. * -* -h : on-line help. * -****************************************************************************** -* History: * -* 22 Dec 89 - Version 1.0 by Gershon Elber. * -*****************************************************************************/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#ifdef __MSDOS__ -#include -#include -#include -#include -#include -#include -#endif /* __MSDOS__ */ - -#ifndef __MSDOS__ -#include -#endif -#include -#include -#include -#ifdef HAVE_FCNTL_H -#include -#endif /* HAVE_FCNTL_H */ -#include "gif_lib.h" -#include "getarg.h" - -#define PROGRAM_NAME "Gif2PS" - -#define PAGE_WIDTH 7.5 /* All dimensions are in inches. */ -#define PAGE_HEIGHT 9.0 -#define FULL_PAGE_WIDTH 8.5 -#define FULL_PAGE_HEIGHT 11.0 - -#define UNKNOWN_ORIENT 0 -#define HORIZONTAL_ORIENT 1 -#define VERTICAL_ORIENT 2 - -#ifdef __MSDOS__ -extern unsigned int - _stklen = 16384; /* Increase default stack size. */ -#endif /* __MSDOS__ */ - -#ifdef SYSV -static char *VersionStr = - "Gif toolkit module,\t\tGershon Elber\n\ - (C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = "Gif2PS q%- x%- y%- s%-SizeX|SizeY!F!F p%-PosX|PosY!F!F i%- n%-#Copies!d h%- GifFile!*s"; -#else -static char - *VersionStr = - PROGRAM_NAME - GIF_LIB_VERSION - " Gershon Elber, " - __DATE__ ", " __TIME__ "\n" - "(C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = - PROGRAM_NAME - " q%- x%- y%- s%-SizeX|SizeY!F!F p%-PosX|PosY!F!F i%- n%-#Copies!d h%- GifFile!*s"; -#endif /* SYSV */ - -/* Make some variables global, so we could access them faster: */ -static int - ImageNum = 0, - BackGround = 0, - ForceXFlag = FALSE, - ForceYFlag = FALSE, - SizeFlag = FALSE, - PosFlag = FALSE, - InvertFlag = FALSE, - NumCopiesFlag = FALSE, - HelpFlag = FALSE, - NumOfCopies = 1, - InterlacedOffset[] = { 0, 4, 2, 1 }, /* The way Interlaced image should. */ - InterlacedJumps[] = { 8, 8, 4, 2 }, /* be read - offsets and jumps... */ - PSOrientation; -static double PSSizeX, PSSizeY, PSPosX, PSPosY; -static GifColorType - *ColorMap; - -static void DumpScreen2PS(GifRowType *ScreenBuffer, - int ScreenWidth, int ScreenHeight); -static void PutString(unsigned char *Line, int Len); - -/****************************************************************************** -* Interpret the command line and scan the given GIF file. * -******************************************************************************/ -int main(int argc, char **argv) -{ - int i, j, Error, NumFiles, Size, Row, Col, Width, Height, ExtCode, Count; - GifRecordType RecordType; - GifByteType *Extension; - char **FileName = NULL; - GifRowType *ScreenBuffer; - GifFileType *GifFile; - - if ((Error = GAGetArgs(argc, argv, CtrlStr,&GifQuietPrint, - &ForceXFlag, &ForceYFlag, &SizeFlag, &PSSizeX, &PSSizeY, - &PosFlag, &PSPosX, &PSPosY, - &InvertFlag, &NumCopiesFlag, &NumOfCopies, &HelpFlag, - &NumFiles, &FileName)) != FALSE || - (NumFiles > 1 && !HelpFlag)) { - if (Error) - GAPrintErrMsg(Error); - else if (NumFiles > 1) - GIF_MESSAGE("Error in command line parsing - one GIF file please."); - GAPrintHowTo(CtrlStr); - exit(EXIT_FAILURE); - } - - if (HelpFlag) { - fprintf(stderr, VersionStr); - GAPrintHowTo(CtrlStr); - exit(EXIT_SUCCESS); - } - - if (ForceXFlag) - PSOrientation = HORIZONTAL_ORIENT; - else if (ForceYFlag) - PSOrientation = VERTICAL_ORIENT; - else - PSOrientation = UNKNOWN_ORIENT; - - if (NumFiles == 1) { - if ((GifFile = DGifOpenFileName(*FileName)) == NULL) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - else { - /* Use the stdin instead: */ - -#ifdef __MSDOS__ - setmode(0, O_BINARY); -#endif /* __MSDOS__ */ - if ((GifFile = DGifOpenFileHandle(0)) == NULL) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - - /* Allocate the screen as vector of column of rows. We cannt allocate */ - /* the all screen at once, as this broken minded CPU can allocate up to */ - /* 64k at a time and our image can be bigger than that: */ - /* Note this screen is device independent - its the screen as defined by */ - /* the GIF file parameters itself. */ - if ((ScreenBuffer = (GifRowType *) - malloc(GifFile->SHeight * sizeof(GifRowType *))) == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - - Size = GifFile->SWidth * sizeof(GifPixelType);/* Size in bytes one row.*/ - if ((ScreenBuffer[0] = (GifRowType) malloc(Size)) == NULL) /* First row. */ - GIF_EXIT("Failed to allocate memory required, aborted."); - - for (i = 0; i < GifFile->SWidth; i++) /* Set its color to BackGround. */ - ScreenBuffer[0][i] = GifFile->SBackGroundColor; - for (i = 1; i < GifFile->SHeight; i++) { - /* Allocate the other rows, and set their color to background too: */ - if ((ScreenBuffer[i] = (GifRowType) malloc(Size)) == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - - memcpy(ScreenBuffer[i], ScreenBuffer[0], Size); - } - - /* Scan the content of the GIF file and load the image(s) in: */ - do { - if (DGifGetRecordType(GifFile, &RecordType) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - switch (RecordType) { - case IMAGE_DESC_RECORD_TYPE: - if (DGifGetImageDesc(GifFile) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - Row = GifFile->Image.Top; /* Image Position relative to Screen. */ - Col = GifFile->Image.Left; - Width = GifFile->Image.Width; - Height = GifFile->Image.Height; - GifQprintf("\n%s: Image %d at (%d, %d) [%dx%d]: ", - PROGRAM_NAME, ++ImageNum, Col, Row, Width, Height); - if (GifFile->Image.Left + GifFile->Image.Width > GifFile->SWidth || - GifFile->Image.Top + GifFile->Image.Height > GifFile->SHeight) { - fprintf(stderr, "Image %d is not confined to screen dimension, aborted.\n",ImageNum); - exit(EXIT_FAILURE); - } - if (GifFile->Image.Interlace) { - /* Need to perform 4 passes on the images: */ - for (Count = i = 0; i < 4; i++) - for (j = Row + InterlacedOffset[i]; j < Row + Height; - j += InterlacedJumps[i]) { - GifQprintf("\b\b\b\b%-4d", Count++); - if (DGifGetLine(GifFile, &ScreenBuffer[j][Col], - Width) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - } - else { - for (i = 0; i < Height; i++) { - GifQprintf("\b\b\b\b%-4d", i); - if (DGifGetLine(GifFile, &ScreenBuffer[Row++][Col], - Width) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - } - break; - case EXTENSION_RECORD_TYPE: - /* Skip any extension blocks in file: */ - if (DGifGetExtension(GifFile, &ExtCode, &Extension) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - while (Extension != NULL) { - if (DGifGetExtensionNext(GifFile, &Extension) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - break; - case TERMINATE_RECORD_TYPE: - break; - default: /* Should be traps by DGifGetRecordType. */ - break; - } - } - while (RecordType != TERMINATE_RECORD_TYPE); - - /* Lets display it - set the global variables required and do it: */ - BackGround = GifFile->SBackGroundColor; - ColorMap = (GifFile->Image.ColorMap - ? GifFile->Image.ColorMap->Colors - : (GifFile->SColorMap ? GifFile->SColorMap->Colors : NULL)); - if (ColorMap == NULL) { - fprintf(stderr, "Gif Image does not have a colormap\n"); - exit(EXIT_FAILURE); - } - DumpScreen2PS(ScreenBuffer, GifFile->SWidth, GifFile->SHeight); - - if (DGifCloseFile(GifFile) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - - return 0; -} - -/****************************************************************************** -* The real dumping routine. * -******************************************************************************/ -static void DumpScreen2PS(GifRowType *ScreenBuffer, - int ScreenWidth, int ScreenHeight) -{ - int i, j; - double Aspect; - GifByteType *OutLine, Data; - GifPixelType *Line; - GifColorType *ColorMapEntry; - - /* If user did not enforce orientation, pick the best one. */ - if (PSOrientation == UNKNOWN_ORIENT) { - if (ScreenWidth > ScreenHeight) { - PSOrientation = VERTICAL_ORIENT; - } else { - PSOrientation = HORIZONTAL_ORIENT; - } - } - Aspect = ((double) ScreenHeight) / ((double) ScreenWidth); - - if (!SizeFlag) - switch (PSOrientation) { - case HORIZONTAL_ORIENT: - if (Aspect > PAGE_HEIGHT / PAGE_WIDTH) { - PSSizeX = PAGE_HEIGHT / Aspect; - PSSizeY = PAGE_HEIGHT; - } - else { - PSSizeX = PAGE_WIDTH; - PSSizeY = PAGE_WIDTH * Aspect; - } - break; - case VERTICAL_ORIENT: - if (1 / Aspect > PAGE_HEIGHT / PAGE_WIDTH) { - PSSizeX = PAGE_HEIGHT * Aspect; - PSSizeY = PAGE_HEIGHT; - } - else { - PSSizeX = PAGE_WIDTH; - PSSizeY = PAGE_WIDTH / Aspect; - } - break; - } - else { - if (PAGE_WIDTH < PSSizeX) { - GIF_MESSAGE("X Size specified is too big, page size selected."); - PSSizeX = PAGE_WIDTH; - } - if (PAGE_HEIGHT < PSSizeY) { - GIF_MESSAGE("Y Size specified is too big, page size selected."); - PSSizeX = PAGE_HEIGHT; - } - } - - if (!PosFlag) { - PSPosX = (FULL_PAGE_WIDTH - PSSizeX) / 2; - PSPosY = (FULL_PAGE_HEIGHT - PSSizeY) / 2; - } - else { - if (PSPosX + PSSizeX > PAGE_WIDTH || PSPosY + PSSizeY > PAGE_HEIGHT) - GIF_EXIT("Requested position will put image out of page, aborted."); - } - - /* Time to dump out the PostScript header: */ - printf("%%!\n"); - printf("%%%%Creator: %s\n", PROGRAM_NAME); - printf("/#copies %d def\n", NumOfCopies); - printf("gsave\n"); - printf("72 72 scale\t\t\t\t%% Lets talk inches.\n"); - printf("/oneline %d string def\t\t\t%% Allocate one scan line.\n", - ScreenWidth); - printf("/drawimage {\n"); - printf("\t%d %d 8 [%d 0 0 %d 0 %d]\n", ScreenWidth, ScreenHeight, - ScreenWidth, -ScreenHeight, ScreenHeight); - printf("\t{ currentfile oneline readhexstring pop } image\n"); - printf("} def\n"); - switch (PSOrientation) { - case HORIZONTAL_ORIENT: - printf("%f %f translate\n", PSPosX, PSPosY); - printf("%f %f scale\n", PSSizeX, PSSizeY); - break; - case VERTICAL_ORIENT: - printf("%f %f translate\n", PSPosX + PSSizeX, PSPosY); - printf("90 rotate\n"); - printf("%f %f scale\n", PSSizeY, PSSizeX); - break; - } - printf("drawimage\n"); - - if ((OutLine = (GifByteType *) malloc(sizeof(GifByteType) * ScreenWidth)) - == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - - for (i = 0; i < ScreenHeight; i++) { - GifQprintf("\b\b\b\b%-4d", ScreenHeight - i); - - Line = ScreenBuffer[i]; - for (j = 0; j < ScreenWidth; j++) { - ColorMapEntry = &ColorMap[Line[j]]; - Data = (30 * ((unsigned int) ColorMapEntry->Red) + - 59 * ((unsigned int) ColorMapEntry->Green) + - 11 * ((unsigned int) ColorMapEntry->Blue)) / 100; - OutLine[j] = InvertFlag ? 255 - Data : Data; - } - - PutString(OutLine, ScreenWidth); - } - free(OutLine); - - printf("\nshowpage\n"); - printf("grestore\n"); -} - -/****************************************************************************** -* Dumps the string of given length as 2 hexdigits per byte 39 bytes per line. * -******************************************************************************/ -static void PutString(unsigned char *Line, int Len) -{ - int i; - static int Counter = 0; - static char *Hex = "0123456789ABCDEF"; - - for (i = 0; i < Len; i++) { - if (++Counter % 40 == 0) { - putchar('\n'); - Counter = 1; - } - putchar(Hex[Line[i] >> 4]); - putchar(Hex[Line[i] & 0x0f]); - } -} diff --git a/giflib-4.1.6/util/gif2rgb.c b/giflib-4.1.6/util/gif2rgb.c deleted file mode 100644 index e44f3f6..0000000 --- a/giflib-4.1.6/util/gif2rgb.c +++ /dev/null @@ -1,336 +0,0 @@ -/***************************************************************************** -* "Gif-Lib" - Yet another gif library. * -* * -* Written by: Gershon Elber Ver 0.1, Jul. 1989 * -****************************************************************************** -* Program to convert GIF file to RGB 24 bits. * -* Options: * -* -q : quiet printing mode. * -* -1 : dump as one file using RGBRGB triples. * -* -h : on-line help. * -* -o FileName : specify the output file name(s). * -****************************************************************************** -* History: * -* 5 Jan 90 - Version 1.0 by Gershon Elber. * -*****************************************************************************/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#ifdef __MSDOS__ -#include -#include -#include -#include -#include -#include -#endif /* __MSDOS__ */ - -#ifndef __MSDOS__ -#include -#endif -#include -#include -#include -#ifdef HAVE_FCNTL_H -#include -#endif /* HAVE_FCNTL_H */ -#include "gif_lib.h" -#include "getarg.h" - -#define PROGRAM_NAME "Gif2RGB" - -#ifdef __MSDOS__ -extern unsigned int - _stklen = 16384; /* Increase default stack size. */ -#endif /* __MSDOS__ */ - -#ifdef SYSV -static char *VersionStr = - "Gif toolkit module,\t\tGershon Elber\n\ - (C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = "Gif2RGB q%- 1%- o%-OutFileName!s h%- GifFile!*s"; -#else -static char - *VersionStr = - PROGRAM_NAME - GIF_LIB_VERSION - " Gershon Elber, " - __DATE__ ", " __TIME__ "\n" - "(C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = - PROGRAM_NAME - " q%- 1%- o%-OutFileName!s h%- GifFile!*s"; -#endif /* SYSV */ - -/* Make some variables global, so we could access them faster: */ -static int - ImageNum = 0, - BackGround = 0, - OneFileFlag = FALSE, - HelpFlag = FALSE, - InterlacedOffset[] = { 0, 4, 2, 1 }, /* The way Interlaced image should. */ - InterlacedJumps[] = { 8, 8, 4, 2 }; /* be read - offsets and jumps... */ -static ColorMapObject - *ColorMap; - -static void DumpScreen2RGB(char *FileName, int OneFileFlag, - GifRowType *ScreenBuffer, - int ScreenWidth, int ScreenHeight); - -/****************************************************************************** -* Interpret the command line and scan the given GIF file. * -******************************************************************************/ -int main(int argc, char **argv) -{ - int i, j, Error, NumFiles, Size, Row, Col, Width, Height, ExtCode, Count, - OutFileFlag = FALSE; - GifRecordType RecordType; - GifByteType *Extension; - char *OutFileName, - **FileName = NULL; - GifRowType *ScreenBuffer; - GifFileType *GifFile; - - if ((Error = GAGetArgs(argc, argv, CtrlStr, &GifQuietPrint, - &OneFileFlag, &OutFileFlag, &OutFileName, - &HelpFlag, &NumFiles, &FileName)) != FALSE || - (NumFiles > 1 && !HelpFlag)) { - if (Error) - GAPrintErrMsg(Error); - else if (NumFiles > 1) - GIF_MESSAGE("Error in command line parsing - one GIF file please."); - GAPrintHowTo(CtrlStr); - exit(EXIT_FAILURE); - } - - if (HelpFlag) { - fprintf(stderr, VersionStr); - GAPrintHowTo(CtrlStr); - exit(EXIT_SUCCESS); - } - if (!OutFileFlag) OutFileName = NULL; - - if (NumFiles == 1) { - if ((GifFile = DGifOpenFileName(*FileName)) == NULL) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - else { - /* Use the stdin instead: */ - -#ifdef __MSDOS__ - setmode(0, O_BINARY); -#endif /* __MSDOS__ */ - if ((GifFile = DGifOpenFileHandle(0)) == NULL) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - - /* Allocate the screen as vector of column of rows. We cannt allocate */ - /* the all screen at once, as this broken minded CPU can allocate up to */ - /* 64k at a time and our image can be bigger than that: */ - /* Note this screen is device independent - its the screen as defined by */ - /* the GIF file parameters itself. */ - if ((ScreenBuffer = (GifRowType *) - malloc(GifFile->SHeight * sizeof(GifRowType *))) == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - - Size = GifFile->SWidth * sizeof(GifPixelType);/* Size in bytes one row.*/ - if ((ScreenBuffer[0] = (GifRowType) malloc(Size)) == NULL) /* First row. */ - GIF_EXIT("Failed to allocate memory required, aborted."); - - for (i = 0; i < GifFile->SWidth; i++) /* Set its color to BackGround. */ - ScreenBuffer[0][i] = GifFile->SBackGroundColor; - for (i = 1; i < GifFile->SHeight; i++) { - /* Allocate the other rows, and set their color to background too: */ - if ((ScreenBuffer[i] = (GifRowType) malloc(Size)) == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - - memcpy(ScreenBuffer[i], ScreenBuffer[0], Size); - } - - /* Scan the content of the GIF file and load the image(s) in: */ - do { - if (DGifGetRecordType(GifFile, &RecordType) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - switch (RecordType) { - case IMAGE_DESC_RECORD_TYPE: - if (DGifGetImageDesc(GifFile) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - Row = GifFile->Image.Top; /* Image Position relative to Screen. */ - Col = GifFile->Image.Left; - Width = GifFile->Image.Width; - Height = GifFile->Image.Height; - GifQprintf("\n%s: Image %d at (%d, %d) [%dx%d]: ", - PROGRAM_NAME, ++ImageNum, Col, Row, Width, Height); - if (GifFile->Image.Left + GifFile->Image.Width > GifFile->SWidth || - GifFile->Image.Top + GifFile->Image.Height > GifFile->SHeight) { - fprintf(stderr, "Image %d is not confined to screen dimension, aborted.\n",ImageNum); - exit(EXIT_FAILURE); - } - if (GifFile->Image.Interlace) { - /* Need to perform 4 passes on the images: */ - for (Count = i = 0; i < 4; i++) - for (j = Row + InterlacedOffset[i]; j < Row + Height; - j += InterlacedJumps[i]) { - GifQprintf("\b\b\b\b%-4d", Count++); - if (DGifGetLine(GifFile, &ScreenBuffer[j][Col], - Width) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - } - else { - for (i = 0; i < Height; i++) { - GifQprintf("\b\b\b\b%-4d", i); - if (DGifGetLine(GifFile, &ScreenBuffer[Row++][Col], - Width) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - } - break; - case EXTENSION_RECORD_TYPE: - /* Skip any extension blocks in file: */ - if (DGifGetExtension(GifFile, &ExtCode, &Extension) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - while (Extension != NULL) { - if (DGifGetExtensionNext(GifFile, &Extension) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - break; - case TERMINATE_RECORD_TYPE: - break; - default: /* Should be traps by DGifGetRecordType. */ - break; - } - } while (RecordType != TERMINATE_RECORD_TYPE); - - /* Lets dump it - set the global variables required and do it: */ - BackGround = GifFile->SBackGroundColor; - ColorMap = (GifFile->Image.ColorMap - ? GifFile->Image.ColorMap - : GifFile->SColorMap); - if (ColorMap == NULL) { - fprintf(stderr, "Gif Image does not have a colormap\n"); - exit(EXIT_FAILURE); - } - - DumpScreen2RGB(OutFileName, OneFileFlag, - ScreenBuffer, GifFile->SWidth, GifFile->SHeight); - - if (DGifCloseFile(GifFile) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - - return 0; -} - -/****************************************************************************** -* The real dumping routine. * -******************************************************************************/ -static void DumpScreen2RGB(char *FileName, int OneFileFlag, - GifRowType *ScreenBuffer, - int ScreenWidth, int ScreenHeight) -{ - int i, j; - GifRowType GifRow; - static GifColorType *ColorMapEntry; - FILE *f[3]; - - if (FileName != NULL) { - char OneFileName[80]; - - if (OneFileFlag) { - if ((f[0] = fopen(FileName, "wb")) == NULL) - GIF_EXIT("Can't open input file name."); - } else { - static char *Postfixes[] = { ".R", ".G", ".B" }; - - for (i = 0; i < 3; i++) { - strcpy(OneFileName, FileName); - strcat(OneFileName, Postfixes[i]); - - if ((f[i] = fopen(OneFileName, "wb")) == NULL) { - GIF_EXIT("Can't open input file name."); - } - } - } - } else { - OneFileFlag = TRUE; - - #ifdef __MSDOS__ - setmode(0, O_BINARY); - #endif /* __MSDOS__ */ - - f[0] = stdout; - } - - if (OneFileFlag) { - unsigned char *Buffer, *BufferP; - - if ((Buffer = (unsigned char *) malloc(ScreenWidth * 3)) == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - for (i = 0; i < ScreenHeight; i++) { - GifRow = ScreenBuffer[i]; - GifQprintf("\b\b\b\b%-4d", ScreenHeight - i); - for (j = 0, BufferP = Buffer; j < ScreenWidth; j++) { - ColorMapEntry = &ColorMap->Colors[GifRow[j]]; - *BufferP++ = ColorMapEntry->Red; - *BufferP++ = ColorMapEntry->Green; - *BufferP++ = ColorMapEntry->Blue; - } - if (fwrite(Buffer, ScreenWidth * 3, 1, f[0]) != 1) - GIF_EXIT("Write to file(s) failed."); - } - - free((char *) Buffer); - fclose(f[0]); - } else { - unsigned char *Buffers[3]; - - if ((Buffers[0] = (unsigned char *) malloc(ScreenWidth)) == NULL || - (Buffers[1] = (unsigned char *) malloc(ScreenWidth)) == NULL || - (Buffers[2] = (unsigned char *) malloc(ScreenWidth)) == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - - for (i = 0; i < ScreenHeight; i++) { - GifRow = ScreenBuffer[i]; - GifQprintf("\b\b\b\b%-4d", ScreenHeight - i); - for (j = 0; j < ScreenWidth; j++) { - ColorMapEntry = &ColorMap->Colors[GifRow[j]]; - Buffers[0][j] = ColorMapEntry->Red; - Buffers[1][j] = ColorMapEntry->Green; - Buffers[2][j] = ColorMapEntry->Blue; - } - if (fwrite(Buffers[0], ScreenWidth, 1, f[0]) != 1 || - fwrite(Buffers[1], ScreenWidth, 1, f[1]) != 1 || - fwrite(Buffers[2], ScreenWidth, 1, f[2]) != 1) - GIF_EXIT("Write to file(s) failed."); - } - - free((char *) Buffers[0]); - free((char *) Buffers[1]); - free((char *) Buffers[2]); - fclose(f[0]); - fclose(f[1]); - fclose(f[2]); - } -} diff --git a/giflib-4.1.6/util/gif2rle.c b/giflib-4.1.6/util/gif2rle.c deleted file mode 100644 index 71acf78..0000000 --- a/giflib-4.1.6/util/gif2rle.c +++ /dev/null @@ -1,288 +0,0 @@ -/***************************************************************************** -* "Gif-Lib" - Yet another gif library. * -* * -* Written by: Gershon Elber Ver 0.1, Jul. 1989 * -****************************************************************************** -* Program to convert GIF file RLE format (utah raster toolkit). * -* Options: * -* -q : quiet printing mode. * -* -a : add alpha channel with full coverage. * -* -h : on-line help. * -****************************************************************************** -* History: * -* 5 Jan 90 - Version 1.0 by Gershon Elber. * -*****************************************************************************/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#ifdef __MSDOS__ -#include -#include -#include -#include -#include -#endif /* __MSDOS__ */ - -#include -#include -#include -#include -#ifdef HAVE_FCNTL_H -#include -#endif /* HAVE_FCNTL_H */ -#include "gif_lib.h" -#include "getarg.h" - -#include "rle.h" /* The rle tool kit header files. */ - -#define PROGRAM_NAME "Gif2Rle" - -#ifdef __MSDOS__ -extern unsigned int - _stklen = 16384; /* Increase default stack size. */ -#endif /* __MSDOS__ */ - -#ifdef SYSV -static char *VersionStr = - "Gif toolkit module,\t\tGershon Elber\n\ - (C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = "Gif2Rle q%- a%- h%- GifFile!*s"; -#else -static char - *VersionStr = - PROGRAM_NAME - GIF_LIB_VERSION - " Gershon Elber, " - __DATE__ ", " __TIME__ "\n" - "(C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = - PROGRAM_NAME - " q%- a%- h%- GifFile!*s"; -#endif /* SYSV */ - -/* Make some variables global, so we could access them faster: */ -static int - ImageNum = 0, - BackGround = 0, - AlphaFlag = FALSE, - HelpFlag = FALSE, - ColorMapSize = 0, - InterlacedOffset[] = { 0, 4, 2, 1 }, /* The way Interlaced image should. */ - InterlacedJumps[] = { 8, 8, 4, 2 }; /* be read - offsets and jumps... */ -static GifColorType - *ColorMap; - -static void DumpScreen2Rle(GifRowType *ScreenBuffer, - int ScreenWidth, int ScreenHeight); - -/****************************************************************************** -* Interpret the command line and scan the given GIF file. * -******************************************************************************/ -int main(int argc, char **argv) -{ - int i, j, Error, NumFiles, Size, Row, Col, Width, Height, ExtCode, Count; - GifRecordType RecordType; - GifByteType *Extension; - char **FileName = NULL; - GifRowType *ScreenBuffer; - GifFileType *GifFile; - - if ((Error = GAGetArgs(argc, argv, CtrlStr, &GifQuietPrint, - &AlphaFlag, &HelpFlag, &NumFiles, &FileName)) != FALSE || - (NumFiles > 1 && !HelpFlag)) { - if (Error) - GAPrintErrMsg(Error); - else if (NumFiles > 1) - GIF_MESSAGE("Error in command line parsing - one GIF file please."); - GAPrintHowTo(CtrlStr); - exit(EXIT_FAILURE); - } - - if (HelpFlag) { - fprintf(stderr, VersionStr); - GAPrintHowTo(CtrlStr); - exit(EXIT_SUCCESS); - } - - if (NumFiles == 1) { - if ((GifFile = DGifOpenFileName(*FileName)) == NULL) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - else { - /* Use the stdin instead: */ - -#ifdef __MSDOS__ - setmode(0, O_BINARY); -#endif /* __MSDOS__ */ - if ((GifFile = DGifOpenFileHandle(0)) == NULL) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - - /* Allocate the screen as vector of column of rows. We cannt allocate */ - /* the all screen at once, as this broken minded CPU can allocate up to */ - /* 64k at a time and our image can be bigger than that: */ - /* Note this screen is device independent - its the screen as defined by */ - /* the GIF file parameters itself. */ - if ((ScreenBuffer = (GifRowType *) - malloc(GifFile->SHeight * sizeof(GifRowType *))) == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - - Size = GifFile->SWidth * sizeof(GifPixelType);/* Size in bytes one row.*/ - if ((ScreenBuffer[0] = (GifRowType) malloc(Size)) == NULL) /* First row. */ - GIF_EXIT("Failed to allocate memory required, aborted."); - - for (i = 0; i < GifFile->SWidth; i++) /* Set its color to BackGround. */ - ScreenBuffer[0][i] = GifFile->SBackGroundColor; - for (i = 1; i < GifFile->SHeight; i++) { - /* Allocate the other rows, and set their color to background too: */ - if ((ScreenBuffer[i] = (GifRowType) malloc(Size)) == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - - memcpy(ScreenBuffer[i], ScreenBuffer[0], Size); - } - - /* Scan the content of the GIF file and load the image(s) in: */ - do { - if (DGifGetRecordType(GifFile, &RecordType) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - switch (RecordType) { - case IMAGE_DESC_RECORD_TYPE: - if (DGifGetImageDesc(GifFile) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - Row = GifFile->Image.Top; /* Image Position relative to Screen. */ - Col = GifFile->Image.Left; - Width = GifFile->Image.Width; - Height = GifFile->Image.Height; - GifQprintf("\n%s: Image %d at (%d, %d) [%dx%d]: ", - PROGRAM_NAME, ++ImageNum, Col, Row, Width, Height); - if (GifFile->Image.Left + GifFile->Image.Width > GifFile->SWidth || - GifFile->Image.Top + GifFile->Image.Height > GifFile->SHeight) { - fprintf(stderr, "Image %d is not confined to screen dimension, aborted.\n", ImageNum); - exit(EXIT_FAILURE); - } - if (GifFile->Image.Interlace) { - /* Need to perform 4 passes on the images: */ - for (Count = i = 0; i < 4; i++) - for (j = Row + InterlacedOffset[i]; j < Row + Height; - j += InterlacedJumps[i]) { - GifQprintf("\b\b\b\b%-4d", Count++); - if (DGifGetLine(GifFile, &ScreenBuffer[j][Col], - Width) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - } - else { - for (i = 0; i < Height; i++) { - GifQprintf("\b\b\b\b%-4d", i); - if (DGifGetLine(GifFile, &ScreenBuffer[Row++][Col], - Width) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - } - break; - case EXTENSION_RECORD_TYPE: - /* Skip any extension blocks in file: */ - if (DGifGetExtension(GifFile, &ExtCode, &Extension) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - while (Extension != NULL) { - if (DGifGetExtensionNext(GifFile, &Extension) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - break; - case TERMINATE_RECORD_TYPE: - break; - default: /* Should be traps by DGifGetRecordType. */ - break; - } - } - while (RecordType != TERMINATE_RECORD_TYPE); - - /* Lets display it - set the global variables required and do it: */ - BackGround = GifFile->SBackGroundColor; - ColorMap = (GifFile->Image.ColorMap ? - GifFile->Image.ColorMap->Colors : - GifFile->SColorMap->Colors); - if (ColorMap == NULL) { - fprintf(stderr, "Gif Image does not have a colormap\n"); - exit(EXIT_FAILURE); - } - ColorMapSize = 1 << ColorMap->BitsPerPixel; - DumpScreen2Rle(ScreenBuffer, GifFile->SWidth, GifFile->SHeight); - - if (DGifCloseFile(GifFile) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - - return 0; -} - -/****************************************************************************** -* The real dumping routine. * -******************************************************************************/ -static void DumpScreen2Rle(GifRowType *ScreenBuffer, - int ScreenWidth, int ScreenHeight) -{ - int i, j; - char Comment[80]; - rle_pixel *rows[4]; - GifRowType GifRow; - static GifColorType - *ColorMapEntry; - - if (AlphaFlag) RLE_SET_BIT(rle_dflt_hdr, RLE_ALPHA); - rle_dflt_hdr.alpha = AlphaFlag != 0; - rle_dflt_hdr.rle_file = stdout; - rle_dflt_hdr.xmin = 0; - rle_dflt_hdr.ymin = 0; - rle_dflt_hdr.xmax = ScreenWidth - 1; - rle_dflt_hdr.ymax = ScreenHeight - 1; - sprintf(Comment, "origin=GIF format, %d colors.", ColorMapSize); - rle_putcom(Comment, &rle_dflt_hdr); - rle_put_setup(&rle_dflt_hdr); - - for (i = 0; i < 4; i++) - if ((rows[i] = (rle_pixel *) malloc(sizeof(rle_pixel) * ScreenWidth)) - == NULL) - GIF_EXIT("Failed to allocated memory required, aborted."); - - if (AlphaFlag) { - /* Initial the alpha channel to full coverage: */ - for (i = 0; i < ScreenWidth; i++) rows[0][i] = 255; - } - - for (i = 0; i < ScreenHeight; i++) { - /* Flip the image vertically as rle files start at the bollom... */ - GifRow = ScreenBuffer[ScreenHeight - i - 1]; - GifQprintf("\b\b\b\b%-4d", ScreenHeight - i); - for (j = 0; j < ScreenWidth; j++) { - ColorMapEntry = &ColorMap[GifRow[j]]; - rows[1][j] = ColorMapEntry->Red; - rows[2][j] = ColorMapEntry->Green; - rows[3][j] = ColorMapEntry->Blue; - } - rle_putrow( &rows[1], ScreenWidth, &rle_dflt_hdr ); - } - - rle_puteof( &rle_dflt_hdr ); -} diff --git a/giflib-4.1.6/util/gif2x11.c b/giflib-4.1.6/util/gif2x11.c deleted file mode 100644 index 50811a6..0000000 --- a/giflib-4.1.6/util/gif2x11.c +++ /dev/null @@ -1,563 +0,0 @@ -/***************************************************************************** -* "Gif-Lib" - Yet another gif library. * -* * -* Written by: Gershon Elber Ver 0.1, Jul. 1989 * -****************************************************************************** -* Program to display GIF file under X11 window system. * -* Options: * -* -q : quiet printing mode. * -* -p PosX PosY : defines the position where to put the image. * -* -d Display : what display should go to. * -* -f : force attempt to allocate the exact colors. This usually look bad... * -* -h : on-line help. * -****************************************************************************** -* History: * -* 28 Dec 89 - Version 1.0 by Gershon Elber, color allocation is based on the * -* xgif program by John Bradley, bradley@cis.ipenn.edu. * -*****************************************************************************/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#ifdef __MSDOS__ -#include -#include -#include -#include -#include -#include -#endif /* __MSDOS__ */ - -#ifdef HAVE_LIBX11 -#include -#include -#include -#endif /* HAVE_LIBX11 */ - -#ifndef __MSDOS__ -#include -#endif -#include -#include -#include -#ifdef HAVE_FCNTL_H -#include -#endif /* HAVE_FCNTL_H */ -#include "gif_lib.h" -#include "getarg.h" - -#define PROGRAM_NAME "Gif2X11" - -#define ICON_SIZE 60 -#define ABS(x) ((x) > 0 ? (x) : (-(x))) - -#ifdef __MSDOS__ -extern unsigned int - _stklen = 16384; /* Increase default stack size. */ -#endif /* __MSDOS__ */ -#ifdef SYSV -static char *VersionStr = - "Gif toolkit module,\t\tGershon Elber\n\ - (C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = "Gif2X11 q%- p%-PosX|PosY!d!d d%-Display!s f%- h%- GifFile!*s"; -#else -static char - *VersionStr = - PROGRAM_NAME - GIF_LIB_VERSION - " Gershon Elber, " - __DATE__ ", " __TIME__ "\n" - "(C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = - PROGRAM_NAME - " q%- p%-PosX|PosY!d!d d%-Display!s f%- h%- GifFile!*s"; -#endif /* SYSV */ - -/* Make some variables global, so we could access them faster: */ -static int - PosFlag = FALSE, - HelpFlag = FALSE, - DisplayFlag = FALSE, - ForceFlag = FALSE, - ColorMapSize = 0, - BackGround = 0, - XPosX = 0, - XPosY = 0, - InterlacedOffset[] = { 0, 4, 2, 1 }, /* The way Interlaced image should. */ - InterlacedJumps[] = { 8, 8, 4, 2 }; /* be read - offsets and jumps... */ -static char - *DisplayName = NULL; -static ColorMapObject - *ColorMap; - -/* X specific staff goes here. XColorTable will hold the GIF image colors, */ -/* while XPixelTable will hold the pixel number so we can redirect through */ -/* it when forming the image bitmap in X format. */ -/* Note the table has 256 entry which is the maximum allowed in GIF format. */ -static XColor XColorTable[256]; -static unsigned long XPixelTable[256]; -static Display *XDisplay; -static int XScreen; -static Window Xroot, XImageWndw; -static Colormap XColorMap; -static GC XGraphContext; -static Visual *XVisual; -static XImage *XImageBuffer; -static Pixmap XIcon; -static Cursor XCursor; - -#define BYTESPERPIXEL 4 - -static void Screen2X(int argc, char **argv, GifRowType *ScreenBuffer, - int ScreenWidth, int ScreenHeight); -static void AllocateColors1(void); -static void AllocateColors2(void); - -/****************************************************************************** -* Interpret the command line and scan the given GIF file. * -******************************************************************************/ -int main(int argc, char **argv) -{ - int i, j, Error, NumFiles, ImageNum = 0, Size, Row, Col, Width, Height, - ExtCode, Count; - GifRecordType RecordType; - GifByteType *Extension; - char **FileName = NULL; - GifRowType *ScreenBuffer; - GifFileType *GifFile; - - if ((Error = GAGetArgs(argc, argv, CtrlStr, - &GifQuietPrint, &PosFlag, &XPosX, &XPosY, - &DisplayFlag, &DisplayName, &ForceFlag, - &HelpFlag, &NumFiles, &FileName)) != FALSE || - (NumFiles > 1 && !HelpFlag)) { - if (Error) - GAPrintErrMsg(Error); - else if (NumFiles > 1) - GIF_MESSAGE("Error in command line parsing - one GIF file please."); - GAPrintHowTo(CtrlStr); - exit(EXIT_FAILURE); - } - - if (HelpFlag) { - fprintf(stderr, VersionStr); - GAPrintHowTo(CtrlStr); - exit(EXIT_SUCCESS); - } - - if (NumFiles == 1) { - if ((GifFile = DGifOpenFileName(*FileName)) == NULL) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - else { - /* Use the stdin instead: */ - -#ifdef __MSDOS__ - setmode(0, O_BINARY); -#endif /* __MSDOS__ */ - if ((GifFile = DGifOpenFileHandle(0)) == NULL) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - - /* Lets see if we can get access to the X server before we even start: */ - if ((XDisplay = (Display *) XOpenDisplay(DisplayName)) == NULL) - GIF_EXIT("Failed to access X server, abored."); - XScreen = DefaultScreen(XDisplay); - Xroot = RootWindow(XDisplay, XScreen); - XColorMap = DefaultColormap(XDisplay, XScreen); - XGraphContext = DefaultGC(XDisplay, XScreen); - XVisual = DefaultVisual(XDisplay, XScreen); - XSetBackground(XDisplay, XGraphContext, BlackPixel(XDisplay, XScreen)); - XSetForeground(XDisplay, XGraphContext, WhitePixel(XDisplay, XScreen)); - - /* Allocate the screen as vector of column of rows. We cannt allocate */ - /* the all screen at once, as this broken minded CPU can allocate up to */ - /* 64k at a time and our image can be bigger than that: */ - /* Note this screen is device independent - its the screen as defined by */ - /* the GIF file parameters itself. */ - if ((ScreenBuffer = (GifRowType *) - malloc(GifFile->SHeight * sizeof(GifRowType *))) == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - - Size = GifFile->SWidth * sizeof(GifPixelType);/* Size in bytes one row.*/ - if ((ScreenBuffer[0] = (GifRowType) malloc(Size)) == NULL) /* First row. */ - GIF_EXIT("Failed to allocate memory required, aborted."); - - for (i = 0; i < GifFile->SWidth; i++) /* Set its color to BackGround. */ - ScreenBuffer[0][i] = GifFile->SBackGroundColor; - for (i = 1; i < GifFile->SHeight; i++) { - /* Allocate the other rows, and set their color to background too: */ - if ((ScreenBuffer[i] = (GifRowType) malloc(Size)) == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - - memcpy(ScreenBuffer[i], ScreenBuffer[0], Size); - } - - /* Scan the content of the GIF file and load the image(s) in: */ - do { - if (DGifGetRecordType(GifFile, &RecordType) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - switch (RecordType) { - case IMAGE_DESC_RECORD_TYPE: - if (DGifGetImageDesc(GifFile) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - Row = GifFile->Image.Top; /* Image Position relative to Screen. */ - Col = GifFile->Image.Left; - Width = GifFile->Image.Width; - Height = GifFile->Image.Height; - GifQprintf("\n%s: Image %d at (%d, %d) [%dx%d]: ", - PROGRAM_NAME, ++ImageNum, Col, Row, Width, Height); - if (GifFile->Image.Left + GifFile->Image.Width > GifFile->SWidth || - GifFile->Image.Top + GifFile->Image.Height > GifFile->SHeight) { - fprintf(stderr, "Image %d is not confined to screen dimension, aborted.\n",ImageNum); - exit(EXIT_FAILURE); - } - if (GifFile->Image.Interlace) { - /* Need to perform 4 passes on the images: */ - for (Count = i = 0; i < 4; i++) - for (j = Row + InterlacedOffset[i]; jSBackGroundColor; - ColorMap = (GifFile->Image.ColorMap - ? GifFile->Image.ColorMap - : GifFile->SColorMap); - if (ColorMap == NULL) { - fprintf(stderr, "Gif Image does not have a colormap\n"); - exit(EXIT_FAILURE); - } - ColorMapSize = ColorMap->ColorCount; - Screen2X(argc, argv, ScreenBuffer, GifFile->SWidth, GifFile->SHeight); - - for (i = GifFile->SHeight - 1 ; i >= 0 ; i--) { - free( ScreenBuffer[ i ] ); - } - free( ScreenBuffer ); - if ( XImageBuffer != (XImage *) NULL ) - XDestroyImage( XImageBuffer ); - - if ( XIcon ) - XFreePixmap( XDisplay , XIcon ); - - if (DGifCloseFile(GifFile) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - GifQprintf("\n"); - - return 0 ; -} - -/****************************************************************************** -* The real display routine. * -******************************************************************************/ -static void Screen2X(int argc, char **argv, GifRowType *ScreenBuffer, - int ScreenWidth, int ScreenHeight) -{ -#define WM_DELETE_WINDOW "WM_DELETE_WINDOW" - - Status rc ; - Atom atomKill ; - - int i, j, c, Size, x, y, - MinIntensity, MaxIntensity, AvgIntensity, IconSizeX, IconSizeY; - char *XImageData, *XIconData, KeyBuffer[81]; - unsigned long ValueMask; - GifColorType *ColorMapEntry = ColorMap->Colors; - XSetWindowAttributes SetWinAttr; - XSizeHints Hints; - XEvent Event; - XExposeEvent *EEvent; - XKeyEvent *KEvent; - XComposeStatus Stat; - KeySym KS; - - /* Let find out what are the intensities in the color map: */ - MaxIntensity = 0; - MinIntensity = 256 * 100; - for (i = 0; i < ColorMapSize; i++) { - c = ColorMapEntry[i].Red * 30 + - ColorMapEntry[i].Green * 59 + - ColorMapEntry[i].Blue * 11; - if (c > MaxIntensity) MaxIntensity = c; - if (c < MinIntensity) MinIntensity = c; - } - AvgIntensity = (MinIntensity + MaxIntensity) / 2; - - /* The big trick here is to select the colors so lets do this first: */ - if (ForceFlag) - AllocateColors2(); - else - AllocateColors1(); - - SetWinAttr.background_pixel = BlackPixel( XDisplay, XScreen ); - SetWinAttr.border_pixel = WhitePixel( XDisplay, XScreen ); - ValueMask = CWBackPixel | CWBorderPixel; - - Hints.flags = PSize | PMinSize | PMaxSize; - Hints.x = Hints.y = 1; - Hints.width = Hints.min_width = Hints.max_width = ScreenWidth; - Hints.height = Hints.min_height = Hints.max_height = ScreenHeight; - if (PosFlag) { - Hints.flags |= USPosition; - Hints.x = XPosX; - Hints.y = XPosY; - } - - XImageWndw = XCreateWindow(XDisplay, Xroot, XPosX, XPosY, - ScreenWidth, ScreenHeight, - 1, 0, - CopyFromParent, CopyFromParent, - ValueMask, &SetWinAttr); - - /* Set up the icon bit map to be a shrinked BW version of the image: */ - if (ScreenWidth > ScreenHeight) { - IconSizeX = (ICON_SIZE / 8) * 8; - IconSizeY = (ScreenHeight * ICON_SIZE) / ScreenWidth; - } - else { - IconSizeY = ICON_SIZE; - IconSizeX = (((ScreenWidth * ICON_SIZE) / ScreenHeight) / 8) * 8; - } - XIconData = (char *) malloc(IconSizeX * IconSizeY / 8); - memset(XIconData, 0, IconSizeX * IconSizeY / 8); - for (i = 0; i < IconSizeY; i++) { - y = (i * ScreenHeight / IconSizeY); - Size = i * IconSizeX / 8; - for (j = 0; j < IconSizeX; j++) { - x = j * ScreenWidth / IconSizeX; - c = ScreenBuffer[y][x]; - c = ColorMapEntry[c].Red * 30 + - ColorMapEntry[c].Green * 59 + - ColorMapEntry[c].Blue * 11 > AvgIntensity; - XIconData[Size + j / 8] |= c << (j % 8); - } - } - - XIcon = XCreateBitmapFromData(XDisplay, XImageWndw, XIconData, - IconSizeX, IconSizeY); - - XSetStandardProperties(XDisplay, XImageWndw, - PROGRAM_NAME, PROGRAM_NAME, XIcon, - argv, argc, - &Hints); - - free( XIconData ); - - atomKill = XInternAtom(XDisplay, WM_DELETE_WINDOW, False ); - rc = XSetWMProtocols( XDisplay, XImageWndw , &atomKill , 1 ); - if ( rc == 0 ) - GIF_EXIT("Failed to trap WM_DELETE_WINDOW event" ); - - XSelectInput(XDisplay, XImageWndw, ExposureMask | KeyPressMask); - - /* Set out own cursor: */ - XCursor = XCreateFontCursor(XDisplay, XC_diamond_cross); - XDefineCursor(XDisplay, XImageWndw, XCursor); - - XMapWindow(XDisplay, XImageWndw); - - /* Create the image in X format: */ - if ((XImageData = (char *) malloc(ScreenWidth * ScreenHeight * BYTESPERPIXEL)) == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - - for (i = 0; i < ScreenHeight; i++) { - y = i * ScreenWidth; - for (j = 0; j < ScreenWidth; j++) { - XImageData[(y + j)*BYTESPERPIXEL] = XColorTable[ScreenBuffer[i][j]].blue; - XImageData[(y + j)*BYTESPERPIXEL+1] = XColorTable[ScreenBuffer[i][j]].green; - XImageData[(y + j)*BYTESPERPIXEL+2] = XColorTable[ScreenBuffer[i][j]].red; - } - } - XImageBuffer = XCreateImage(XDisplay, XVisual, DefaultDepth(XDisplay, DefaultScreen(XDisplay)), ZPixmap, 0, - XImageData, ScreenWidth, ScreenHeight, - BitmapPad(XDisplay), ScreenWidth*BYTESPERPIXEL); - - while (TRUE) { - XNextEvent(XDisplay, &Event); - switch (Event.type) { - case Expose: - EEvent = (XExposeEvent *) &Event; - XPutImage(XDisplay, XImageWndw, XGraphContext, XImageBuffer, - EEvent->x, EEvent->y, - EEvent->x, EEvent->y, - EEvent->width, EEvent->height); - break; - case KeyPress: - KEvent = (XKeyEvent *) &Event; - XLookupString(KEvent, KeyBuffer, 80, &KS, &Stat); - if (KeyBuffer[0] == 3) return; - /* if (KeyBuffer[0] == 3) { free(XImageData ); return; } made by XDestroyImage */ - break; - case ClientMessage : - if ( Event.xclient.data.l[0] == atomKill ) return ; - break ; - } - } -} - -/****************************************************************************** -* Routine to allocate the requested colors from the X server. * -* Colors are allocated until success by stripping off the least bits of the * -* colors. * -******************************************************************************/ -static void AllocateColors1(void) -{ - int Strip, Msk, i; - char Msg[80]; - - for (i = 0; i < 256; i++) - XPixelTable[i] = 0; /* Put reasonable color for out of range. */ - - for (Strip = 0, Msk = 0xff; Strip < 8; Strip++, Msk <<= 1) { - for (i = 0; i < ColorMapSize; i++) { - /* Prepare color entry in X format. */ - XColorTable[i].red = (ColorMap->Colors[i].Red & Msk) << 8; - XColorTable[i].green = (ColorMap->Colors[i].Green & Msk) << 8; - XColorTable[i].blue = (ColorMap->Colors[i].Blue & Msk) << 8; - XColorTable[i].flags = DoRed | DoGreen | DoBlue; - if (XAllocColor(XDisplay, XColorMap, &XColorTable[i])) - XPixelTable[i] = XColorTable[i].pixel; - else - break; - } - if (i < ColorMapSize) - XFreeColors(XDisplay, XColorMap, XPixelTable, i, 0L); - else - break; - } - - if (Strip == 8) - GIF_EXIT("Can not display the image - not enough colors available."); - - if (Strip != 0) { - sprintf(Msg, "%d bits were stripped off the color map.", Strip); - GIF_MESSAGE(Msg); - } -} - -/****************************************************************************** -* Routine to allocate the requested colors from the X server. * -* Two stages are performed: * -* 1. Colors are requested directly. * -* 2. If not enough colors can be allocated, the closest current color * -* in current table is selected instead. * -* This allocation is not optimal as when fail to allocate all colors one * -* should pick the right colors to do allocate in order to minimize the * -* closest distance from the unallocated ones under some norm (what is a good * -* norm for the RGB space?). Improve it if you are bored. * -******************************************************************************/ -static void AllocateColors2(void) -{ - int i, j, Index = 0, Count = 0, XNumOfColors; - char Msg[80]; - unsigned long D, Distance, AvgDistance = 0, Red, Green, Blue; - GifBooleanType Failed = FALSE; - XColor *XOldColorTable; - - for (i = 0; i < 256; i++) { - if (i < ColorMapSize) { /* Prepere color entry in X format. */ - XColorTable[i].red = ColorMap->Colors[i].Red << 8; - XColorTable[i].green = ColorMap->Colors[i].Green << 8; - XColorTable[i].blue = ColorMap->Colors[i].Blue << 8; - XColorTable[i].flags = DoRed | DoGreen | DoBlue; - XPixelTable[i] = -1; /* Not allocated yet. */ - } - else - XPixelTable[i] = 0; /* Put reasonable color for out of range. */ - } - - for (i = 0; i < ColorMapSize; i++) /* Allocate the colors from X: */ - if (XAllocColor(XDisplay, XColorMap, &XColorTable[i])) - XPixelTable[i] = XColorTable[i].pixel; - else - Failed = TRUE; - - if (Failed) { - XNumOfColors = DisplayCells(XDisplay, XScreen); - XOldColorTable = (XColor *) malloc(sizeof(XColor) * XNumOfColors); - for (i = 0; i < XNumOfColors; i++) XOldColorTable[i].pixel = i; - XQueryColors(XDisplay, XColorMap, XOldColorTable, XNumOfColors); - - for (i = 0; i < ColorMapSize; i++) { - /* Allocate closest colors from X: */ - if (XPixelTable[i] == -1) { /* Failed to allocate this one. */ - Distance = 0xffffffff; - - Red = XColorTable[i].red; - Green = XColorTable[i].green; - Blue = XColorTable[i].blue; - - for (j = 0; j < XNumOfColors; j++) { - /* Find the closest color in 3D RGB space using L1 norm. */ - if ((D = ABS(Red - XOldColorTable[j].red) + - ABS(Green - XOldColorTable[j].green) + - ABS(Blue - XOldColorTable[j].blue)) < Distance) { - Distance = D; - Index = j; - } - } - XPixelTable[i] = Index; - - AvgDistance += Distance; - Count++; - } - } - free(XOldColorTable); - - sprintf(Msg, "Colors will be approximated (average error = %ld).\n", - AvgDistance / Count); - GIF_MESSAGE(Msg); - } -} diff --git a/giflib-4.1.6/util/gifasm.c b/giflib-4.1.6/util/gifasm.c deleted file mode 100644 index 1df1a54..0000000 --- a/giflib-4.1.6/util/gifasm.c +++ /dev/null @@ -1,415 +0,0 @@ -/***************************************************************************** -* "Gif-Lib" - Yet another gif library. * -* * -* Written by: Gershon Elber Ver 0.1, Jul. 1989 * -****************************************************************************** -* Program to assemble/disassemble GIF files: disassembles multi image file * -* into seperated files, or assembles few single image GIF files into one. * -* Options: * -* -q : quiet printing mode. * -* -A : assemble few files into one as an animation gif. * -* -a : assemble few files into one (default) * -* -d name : disassmble given GIF file into seperate files derived from name. * -* -h : on-line help. * -****************************************************************************** -* History: * -* 7 Jul 89 - Version 1.0 by Gershon Elber. * -*****************************************************************************/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#ifdef __MSDOS__ -#include -#endif /* __MSDOS__ */ - -#include -#include -#ifdef HAVE_UNISTD_H -#include -#endif /* HAVE_UNISTD_H */ -#include -#include -#include "gif_lib.h" -#include "getarg.h" - -#define PROGRAM_NAME "GifAsm" -#define GIF_ASM_NAME "NETSCAPE2.0" -#define COMMENT_GIF_ASM "(c) Gershon Elber, GifLib" - -#define SQR(x) ((x) * (x)) - -#ifdef __MSDOS__ -extern unsigned int - _stklen = 16384; /* Increase default stack size. */ -#endif /* __MSDOS__ */ - -#ifdef SYSV -static char *VersionStr = - "Gif toolkit module,\t\tGershon Elber\n\ - (C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = "GifAsm q%- A%-Delay!d a%- d%-OutFileName!s h%- GifFile(s)!*s"; -#else -static char - *VersionStr = - PROGRAM_NAME - GIF_LIB_VERSION - " Gershon Elber, " - __DATE__ ", " __TIME__ "\n" - "(C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = - PROGRAM_NAME - " q%- A%-Delay!d a%- d%-OutFileName!s h%- GifFile(s)!*s"; -#endif /* SYSV */ - -static int - AsmGifAnimFlag = FALSE, - AsmGifAnimNumIters = 1, - AsmGifAnimDelay = 0, - AsmGifAnimUserWait = FALSE, - AsmFlag = FALSE; - -#if FALSE - /* This is apparently not yet an implemented feature of the program */ -static void DoAssemblyGifAnim(int NumFiles, char **FileNames); -#endif /* FALSE */ -static void DoAssembly(int NumFiles, char **FileNames); -static void DoDisassembly(char *InFileName, char *OutFileName); -static void QuitGifError(GifFileType *GifFileIn, GifFileType *GifFileOut); - -/****************************************************************************** -* Interpret the command line and scan the given GIF file. * -******************************************************************************/ -int main(int argc, char **argv) -{ - int Error, NumFiles, DisasmFlag = FALSE, HelpFlag = FALSE; - char **FileNames = NULL, *OutFileName; - - if ((Error = GAGetArgs(argc, argv, CtrlStr, &GifQuietPrint, - &AsmGifAnimFlag, &AsmGifAnimDelay, - &AsmFlag, &DisasmFlag, &OutFileName, - &HelpFlag, &NumFiles, &FileNames)) != FALSE) { - GAPrintErrMsg(Error); - GAPrintHowTo(CtrlStr); - exit(EXIT_FAILURE); - } - - if (HelpFlag) { - fprintf(stderr, VersionStr); - GAPrintHowTo(CtrlStr); - exit(EXIT_SUCCESS); - } - - if (!AsmFlag && !AsmGifAnimFlag && !DisasmFlag) - AsmFlag = TRUE; /* Make default - assemble. */ - if ((AsmFlag || AsmGifAnimFlag) && NumFiles < 2) { - GIF_MESSAGE("At list two GIF files are required to assembly operation."); - GAPrintHowTo(CtrlStr); - exit(EXIT_FAILURE); - } - if (!AsmFlag && !AsmGifAnimFlag && NumFiles > 1) { - GIF_MESSAGE("Error in command line parsing - one GIF file please."); - GAPrintHowTo(CtrlStr); - exit(EXIT_FAILURE); - } - - if (AsmFlag || AsmGifAnimFlag) - DoAssembly(NumFiles, FileNames); - else - DoDisassembly(NumFiles == 1 ? *FileNames : NULL, OutFileName); - - return 0; -} - -/****************************************************************************** -* Perform the assembly operation - take few input files into one output. * -******************************************************************************/ -static void DoAssembly(int NumFiles, char **FileNames) -{ - int i, j, k, Len = 0, ExtCode, ReMapColor[256]; - ColorMapObject FirstColorMap; - GifRecordType RecordType; - GifByteType *Line = NULL, *Extension; - GifFileType *GifFileIn = NULL, *GifFileOut = NULL; - - /* Open stdout for the output file: */ - if ((GifFileOut = EGifOpenFileHandle(1)) == NULL) - QuitGifError(GifFileIn, GifFileOut); - - /* Scan the content of the GIF file and load the image(s) in: */ - for (i = 0; i < NumFiles; i++) { - if ((GifFileIn = DGifOpenFileName(FileNames[i])) == NULL) - QuitGifError(GifFileIn, GifFileOut); - - /* And dump out screen descriptor iff its first image. */ - if (i == 0) { - if (EGifPutScreenDesc(GifFileOut, - GifFileIn->SWidth, GifFileIn->SHeight, - GifFileIn->SColorResolution, GifFileIn->SBackGroundColor, - GifFileIn->SColorMap) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - FirstColorMap = *GifFileIn->SColorMap; - FirstColorMap.Colors = - (GifColorType *) malloc(sizeof(GifColorType) * - FirstColorMap.ColorCount); - memcpy(FirstColorMap.Colors, GifFileIn->SColorMap->Colors, - sizeof(GifColorType) * FirstColorMap.ColorCount); - - if (AsmGifAnimFlag) { - unsigned char ExtStr[3]; - - ExtStr[0] = AsmGifAnimNumIters % 256; - ExtStr[1] = AsmGifAnimNumIters / 256; - ExtStr[2] = 0; - - /* Dump application+comment blocks. */ - EGifPutExtensionFirst(GifFileOut, APPLICATION_EXT_FUNC_CODE, - strlen(GIF_ASM_NAME), GIF_ASM_NAME); - EGifPutExtensionLast(GifFileOut, APPLICATION_EXT_FUNC_CODE, - 3, ExtStr); - EGifPutExtension(GifFileOut, COMMENT_EXT_FUNC_CODE, - strlen(COMMENT_GIF_ASM), COMMENT_GIF_ASM); - } - for (j = 0; j < GifFileIn->SColorMap->ColorCount; j++) - ReMapColor[j] = j; - } - else { - /* Compute the remapping of this image's color map to first one. */ - for (j = 0; j < GifFileIn->SColorMap->ColorCount; j++) { - int MinIndex = 0, - MinDist = 3 * 256 * 256; - GifColorType *CMap1 = FirstColorMap.Colors, - *c = GifFileIn->SColorMap->Colors; - - /* Find closest color in first color map to this color. */ - for (k = 0; k < FirstColorMap.ColorCount; k++) { - int Dist = SQR(c[j].Red - CMap1[k].Red) + - SQR(c[j].Green - CMap1[k].Green) + - SQR(c[j].Blue - CMap1[k].Blue); - - if (MinDist > Dist) { - MinDist = Dist; - MinIndex = k; - } - } - ReMapColor[j] = MinIndex; - } - } - - do { - if (DGifGetRecordType(GifFileIn, &RecordType) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - switch (RecordType) { - case IMAGE_DESC_RECORD_TYPE: - if (DGifGetImageDesc(GifFileIn) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - if (AsmGifAnimFlag) { - static unsigned char - ExtStr[4] = { 0x04, 0x00, 0x00, 0xff }; - - ExtStr[0] = AsmGifAnimUserWait ? 0x06 : 0x04; - ExtStr[1] = AsmGifAnimDelay % 256; - ExtStr[2] = AsmGifAnimDelay / 256; - - /* Dump graphics control block. */ - EGifPutExtension(GifFileOut, GRAPHICS_EXT_FUNC_CODE, - 4, ExtStr); - } - - if (i == 0) { - Len = sizeof(GifPixelType) * GifFileIn->Image.Width; - if ((Line = (GifRowType) malloc(Len)) == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - } - - /* Put image descriptor to out file: */ - if (EGifPutImageDesc(GifFileOut, - GifFileIn->Image.Left, GifFileIn->Image.Top, - GifFileIn->Image.Width, GifFileIn->Image.Height, - GifFileIn->Image.Interlace, - GifFileIn->Image.ColorMap) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - /* Now read image itself and remap to global color map. */ - for (k = 0; k < GifFileIn->Image.Height; k++) { - if (DGifGetLine(GifFileIn, Line, Len) != GIF_ERROR) { - for (j = 0; j < Len; j++) - Line[j] = ReMapColor[Line[j]]; - - if (EGifPutLine(GifFileOut, Line, Len) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - } - else - QuitGifError(GifFileIn, GifFileOut); - } - break; - case EXTENSION_RECORD_TYPE: - /* Skip any extension blocks in file: */ - if (DGifGetExtension(GifFileIn, &ExtCode, &Extension) - == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - if (EGifPutExtension(GifFileOut, ExtCode, Extension[0], - Extension) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - /* No support to more than one extension blocks, discard.*/ - while (Extension != NULL) - if (DGifGetExtensionNext(GifFileIn, &Extension) - == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - break; - case TERMINATE_RECORD_TYPE: - break; - default: /* Should be traps by DGifGetRecordType. */ - break; - } - } - while (RecordType != TERMINATE_RECORD_TYPE); - - if (DGifCloseFile(GifFileIn) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - } - - if (EGifCloseFile(GifFileOut) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); -} - -/****************************************************************************** -* Perform the disassembly operation - take one input files into few output. * -******************************************************************************/ -static void DoDisassembly(char *InFileName, char *OutFileName) -{ - int ExtCode, CodeSize, FileNum = 0, FileEmpty; - GifRecordType RecordType; - char CrntFileName[80]; - GifByteType *Extension, *CodeBlock; - GifFileType *GifFileIn = NULL, *GifFileOut = NULL; - -#ifdef __MSDOS__ - int i; - char *p; - - /* If name has type postfix, strip it out, and make sure name is less */ - /* or equal to 6 chars, so we will have 2 chars in name for numbers. */ - for (i = 0; i < (int)strlen(OutFileName); i++)/* Make sure all is upper case.*/ - if (islower(OutFileName[i])) - OutFileName[i] = toupper(OutFileName[i]); - - if ((p = strrchr(OutFileName, '.')) != NULL && strlen(p) <= 4) p[0] = 0; - if ((p = strrchr(OutFileName, '/')) != NULL || - (p = strrchr(OutFileName, '\\')) != NULL || - (p = strrchr(OutFileName, ':')) != NULL) { - if (strlen(p) > 7) p[7] = 0; /* p includes the '/', '\\', ':' char. */ - } - else { - /* Only name is given for current directory: */ - if (strlen(OutFileName) > 6) OutFileName[6] = 0; - } -#endif /* __MSDOS__ */ - - /* Open input file: */ - if (InFileName != NULL) { - if ((GifFileIn = DGifOpenFileName(InFileName)) == NULL) - QuitGifError(GifFileIn, GifFileOut); - } - else { - /* Use the stdin instead: */ - if ((GifFileIn = DGifOpenFileHandle(0)) == NULL) - QuitGifError(GifFileIn, GifFileOut); - } - - /* Scan the content of GIF file and dump image(s) to seperate file(s): */ - do { - sprintf(CrntFileName, "%s%02d.gif", OutFileName, FileNum++); - if ((GifFileOut = EGifOpenFileName(CrntFileName, TRUE)) == NULL) - QuitGifError(GifFileIn, GifFileOut); - FileEmpty = TRUE; - - /* And dump out its exactly same screen information: */ - if (EGifPutScreenDesc(GifFileOut, - GifFileIn->SWidth, GifFileIn->SHeight, - GifFileIn->SColorResolution, GifFileIn->SBackGroundColor, - GifFileIn->SColorMap) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - do { - if (DGifGetRecordType(GifFileIn, &RecordType) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - switch (RecordType) { - case IMAGE_DESC_RECORD_TYPE: - FileEmpty = FALSE; - if (DGifGetImageDesc(GifFileIn) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - /* Put same image descriptor to out file: */ - if (EGifPutImageDesc(GifFileOut, - GifFileIn->Image.Left, GifFileIn->Image.Top, - GifFileIn->Image.Width, GifFileIn->Image.Height, - GifFileIn->Image.Interlace, - GifFileIn->Image.ColorMap) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - /* Now read image itself in decoded form as we dont */ - /* really care what is there, and this is much faster. */ - if (DGifGetCode(GifFileIn, &CodeSize, &CodeBlock) == GIF_ERROR - || EGifPutCode(GifFileOut, CodeSize, CodeBlock) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - while (CodeBlock != NULL) - if (DGifGetCodeNext(GifFileIn, &CodeBlock) == GIF_ERROR || - EGifPutCodeNext(GifFileOut, CodeBlock) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - break; - case EXTENSION_RECORD_TYPE: - FileEmpty = FALSE; - /* Skip any extension blocks in file: */ - if (DGifGetExtension(GifFileIn, &ExtCode, &Extension) - == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - if (EGifPutExtension(GifFileOut, ExtCode, Extension[0], - Extension) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - /* No support to more than one extension blocks, discard.*/ - while (Extension != NULL) - if (DGifGetExtensionNext(GifFileIn, &Extension) - == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - break; - case TERMINATE_RECORD_TYPE: - break; - default: /* Should be traps by DGifGetRecordType. */ - break; - } - } - while (RecordType != IMAGE_DESC_RECORD_TYPE && - RecordType != TERMINATE_RECORD_TYPE); - - if (EGifCloseFile(GifFileOut) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - if (FileEmpty) { - /* Might happen on last file - delete it if so: */ - unlink(CrntFileName); - } - } - while (RecordType != TERMINATE_RECORD_TYPE); - - if (DGifCloseFile(GifFileIn) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); -} - -/****************************************************************************** -* Close both input and output file (if open), and exit. * -******************************************************************************/ -static void QuitGifError(GifFileType *GifFileIn, GifFileType *GifFileOut) -{ - PrintGifError(); - if (GifFileIn != NULL) DGifCloseFile(GifFileIn); - if (GifFileOut != NULL) EGifCloseFile(GifFileOut); - exit(EXIT_FAILURE); -} diff --git a/giflib-4.1.6/util/gifbg.c b/giflib-4.1.6/util/gifbg.c deleted file mode 100644 index 8dc98b8..0000000 --- a/giflib-4.1.6/util/gifbg.c +++ /dev/null @@ -1,371 +0,0 @@ -/***************************************************************************** -* "Gif-Lib" - Yet another gif library. * -* * -* Written by: Gershon Elber Ver 0.1, Jul. 1989 * -****************************************************************************** -* Program to generate back ground image that can be used to replace constant * -* background. * -* Options: * -* -q : quiet printing mode. * -* -d direction : set direction image should increase intensity. * -* -l levels : number of color levels. * -* -c r g b : colors of the back ground. * -* -m min : minimin intensity in percent. * -* -M max : maximum intensity in percent. * -* -s width height : size of image to create. * -* -h : on-line help. * -****************************************************************************** -* History: * -* 9 Jul 89 - Version 1.0 by Gershon Elber. * -*****************************************************************************/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#ifdef __MSDOS__ -#include -#include -#endif /* __MSDOS__ */ - -#ifndef __MSDOS__ -#include -#endif -#include -#include -#include -#include "gif_lib.h" -#include "getarg.h" - -#define PROGRAM_NAME "GifBG" - -#define DEFAULT_WIDTH 640 -#define DEFAULT_HEIGHT 350 - -#define DEFAULT_COLOR_RED 0 -#define DEFAULT_COLOR_GREEN 0 -#define DEFAULT_COLOR_BLUE 255 - -#define DEFAULT_MIN_INTENSITY 10 /* In percent. */ -#define DEFAULT_MAX_INTENSITY 100 - -#define DEFAULT_NUM_LEVELS 16 /* Number of colors to gen the image. */ - -#define DIR_NONE 0 /* Direction the levels can be changed: */ -#define DIR_TOP 1 -#define DIR_TOP_RIGHT 2 -#define DIR_RIGHT 3 -#define DIR_BOT_RIGHT 4 -#define DIR_BOT 5 -#define DIR_BOT_LEFT 6 -#define DIR_LEFT 7 -#define DIR_TOP_LEFT 8 - -#define DEFAULT_DIR "T" /* TOP (North) direction. */ - -#ifdef __MSDOS__ -extern unsigned int - _stklen = 16384; /* Increase default stack size. */ -#endif /* __MSDOS__ */ - -#ifdef SYSV -static char *VersionStr = - "Gif library module \t\tGershon Elber\n\ - (C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = "GifBG q%- d%-Dir!s l%-#Lvls!d c%-R|G|B!d!d!d m%-MinI!d M%-MaxI!d s%-W|H!d!d h%-"; -#else -static char - *VersionStr = - PROGRAM_NAME - GIF_LIB_VERSION - " Gershon Elber, " - __DATE__ ", " __TIME__ "\n" - "(C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = - PROGRAM_NAME - " q%- d%-Dir!s l%-#Lvls!d c%-R|G|B!d!d!d m%-MinI!d M%-MaxI!d s%-W|H!d!d h%-"; -#endif /* SYSV */ - -static int - MaximumIntensity = DEFAULT_MAX_INTENSITY, /* In percent. */ - MinimumIntensity = DEFAULT_MIN_INTENSITY, - NumLevels = DEFAULT_NUM_LEVELS, - ImageWidth = DEFAULT_WIDTH, - ImageHeight = DEFAULT_HEIGHT, - Direction; -static unsigned int - RedColor = DEFAULT_COLOR_RED, - GreenColor = DEFAULT_COLOR_GREEN, - BlueColor = DEFAULT_COLOR_BLUE; - -static void QuitGifError(GifFileType *GifFile); - -/****************************************************************************** -* Interpret the command line and scan the given GIF file. * -******************************************************************************/ -int main(int argc, char **argv) -{ - unsigned int Ratio; - int i, j, l, LevelHeight, LevelWidth, Error, LogNumLevels, FlipDir, - Accumulator, StartX, StepX, Count = 0, DoAllMaximum = FALSE, - DirectionFlag = FALSE, LevelsFlag = FALSE, ColorFlag = FALSE, - MinFlag = FALSE, MaxFlag = FALSE, SizeFlag = FALSE, HelpFlag = FALSE; - GifPixelType Color; - char *DirectionStr = DEFAULT_DIR; - GifRowType Line; - ColorMapObject *ColorMap; - GifFileType *GifFile; - - if ((Error = GAGetArgs(argc, argv, CtrlStr, &GifQuietPrint, - &DirectionFlag, &DirectionStr, &LevelsFlag, &NumLevels, - &ColorFlag, &RedColor, &GreenColor, &BlueColor, - &MinFlag, &MinimumIntensity, &MaxFlag, &MaximumIntensity, - &SizeFlag, &ImageWidth, &ImageHeight, - &HelpFlag)) != FALSE) { - GAPrintErrMsg(Error); - GAPrintHowTo(CtrlStr); - exit(EXIT_FAILURE); - } - - if (HelpFlag) { - fprintf(stderr, VersionStr); - GAPrintHowTo(CtrlStr); - exit(EXIT_SUCCESS); - } - - /* Make sure intensities are in the right range: */ - if (MinimumIntensity < 0 || MinimumIntensity > 100 || - MaximumIntensity < 0 || MaximumIntensity > 100) - GIF_EXIT("Intensities (-m or -M options) are not in [0..100] range (percent)."); - - /* Convert DirectionStr to our local representation: */ - Direction = DIR_NONE; - FlipDir = FALSE; - for (i = 0; i < (int)strlen(DirectionStr); i++) /* Make sure its upper case. */ - if (islower(DirectionStr[i])) - DirectionStr[i] = toupper(DirectionStr[i]); - - switch(DirectionStr[0]) { - case 'T': /* Top or North */ - case 'N': - if (strlen(DirectionStr) < 2) - Direction = DIR_TOP; - else - switch(DirectionStr[1]) { - case 'R': - case 'E': - Direction = DIR_TOP_RIGHT; - break; - case 'L': - case 'W': - Direction = DIR_TOP_LEFT; - FlipDir = TRUE; - break; - } - break; - case 'R': /* Right or East */ - case 'E': - Direction = DIR_RIGHT; - break; - case 'B': /* Bottom or South */ - case 'S': - if (strlen(DirectionStr) < 2) { - Direction = DIR_BOT; - FlipDir = TRUE; - } - else - switch(DirectionStr[1]) { - case 'R': - case 'E': - Direction = DIR_BOT_RIGHT; - break; - case 'L': - case 'W': - Direction = DIR_BOT_LEFT; - FlipDir = TRUE; - break; - } - break; - case 'L': /* Left or West */ - case 'W': - Direction = DIR_LEFT; - FlipDir = TRUE; - break; - } - if (Direction == DIR_NONE) - GIF_EXIT("Direction requested (-d option) is wierd!"); - - /* We are going to handle only TOP, TOP_RIGHT, RIGHT, BOT_RIGHT so flip */ - /* the complement cases (TOP <-> BOT for example) by flipping the */ - /* Color i with color (NumLevels - i - 1). */ - if (FlipDir) { - switch (Direction) { - case DIR_BOT: - Direction = DIR_TOP; - break; - case DIR_BOT_LEFT: - Direction = DIR_TOP_RIGHT; - break; - case DIR_LEFT: - Direction = DIR_RIGHT; - break; - case DIR_TOP_LEFT: - Direction = DIR_BOT_RIGHT; - break; - } - } - - /* If binary mask is requested (special case): */ - if (MinimumIntensity == 100 && MaximumIntensity == 100 && NumLevels == 2) { - MinimumIntensity = 0; - DoAllMaximum = TRUE; - Direction = DIR_RIGHT; - } - - /* Make sure colors are in the right range: */ - if (RedColor > 255 || GreenColor > 255 || BlueColor > 255) - GIF_EXIT("Colors are not in the ragne [0..255]."); - - /* Make sure number of levels is power of 2 (up to 8 bits per pixel). */ - for (i = 1; i < 8; i++) if (NumLevels == (1 << i)) break; - if (i == 8) GIF_EXIT("#Lvls (-l option) is not power of 2."); - LogNumLevels = i; - - /* Open stdout for the output file: */ - if ((GifFile = EGifOpenFileHandle(1)) == NULL) - QuitGifError(GifFile); - - /* Dump out screen description with given size and generated color map: */ - if ((ColorMap = MakeMapObject(NumLevels, NULL)) == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - - for (i = 1; i <= NumLevels; i++) { - /* Ratio will be in the range of 0..100 for required intensity: */ - Ratio = (MaximumIntensity * (i * (256 / NumLevels)) + - MinimumIntensity * ((NumLevels - i) * (256 / NumLevels))) / - 256; - ColorMap->Colors[i-1].Red = (RedColor * Ratio) / 100; - ColorMap->Colors[i-1].Green = (GreenColor * Ratio) / 100; - ColorMap->Colors[i-1].Blue = (BlueColor * Ratio) / 100; - } - if (EGifPutScreenDesc(GifFile, - ImageWidth, ImageHeight, LogNumLevels, 0, ColorMap) - == GIF_ERROR) - QuitGifError(GifFile); - - /* Dump out the image descriptor: */ - if (EGifPutImageDesc(GifFile, - 0, 0, ImageWidth, ImageHeight, FALSE, NULL) == GIF_ERROR) - QuitGifError(GifFile); - - GifQprintf("\n%s: Image 1 at (%d, %d) [%dx%d]: ", - PROGRAM_NAME, GifFile->Image.Left, GifFile->Image.Top, - GifFile->Image.Width, GifFile->Image.Height); - - /* Allocate one scan line twice as big as image is as we are going to */ - /* shift along it, while we dump the scan lines: */ - if ((Line = (GifRowType) malloc(sizeof(GifPixelType) * ImageWidth * 2)) == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - - if (Direction == DIR_TOP) { - /* We must evaluate the line each time level is changing: */ - LevelHeight = ImageHeight / NumLevels; - for (Color = NumLevels, i = l = 0; i < ImageHeight; i++) { - if (i == l) { - /* Time to update the line to next color level: */ - if (Color != 0) Color--; - for (j = 0; j < ImageWidth; j++) - Line[j] = (FlipDir ? NumLevels - Color - 1 : Color); - l += LevelHeight; - } - if (EGifPutLine(GifFile, Line, ImageWidth) == GIF_ERROR) - QuitGifError(GifFile); - GifQprintf("\b\b\b\b%-4d", Count++); - } - } - else if (Direction == DIR_RIGHT) { - /* We pre-prepare the scan lines as going from color zero to maximum */ - /* color and dump the same scan line Height times: */ - /* Note this case should handle the Boolean Mask special case. */ - LevelWidth = ImageWidth / NumLevels; - if (DoAllMaximum) { - /* Special case - do all in maximum color: */ - for (i = 0; i < ImageWidth; i++) Line[i] = 1; - } - else { - for (Color = i = 0, l = LevelWidth; i < ImageWidth; i++, l--) { - if (l == 0) { - l = LevelWidth; - if (Color < NumLevels - 1) Color++; - } - Line[i] = (FlipDir ? NumLevels - Color - 1 : Color); - } - } - - for (i = 0; i < ImageHeight; i++) { - if (EGifPutLine(GifFile, Line, ImageWidth) == GIF_ERROR) - QuitGifError(GifFile); - GifQprintf("\b\b\b\b%-4d", Count++); - } - } - else { - /* We are in one of the TOP_RIGHT, BOT_RIGHT cases: we will */ - /* initialize the Line with its double ImageWidth length from the */ - /* minimum intensity to the maximum intensity and shift along it */ - /* while we go along the image height. */ - LevelWidth = ImageWidth * 2 / NumLevels; - for (Color = i = 0, l = LevelWidth; i < ImageWidth * 2; i++, l--) { - if (l == 0) { - l = LevelWidth; - if (Color < NumLevels - 1) Color++; - } - Line[i] = (FlipDir ? NumLevels - Color - 1 : Color); - } - /* We need to implement a DDA to know how much to shift Line while */ - /* we go down along image height. we set the parameters for it now: */ - Accumulator = 0; - switch(Direction) { - case DIR_TOP_RIGHT: - StartX = ImageWidth; - StepX = -1; - break; - case DIR_BOT_RIGHT: - default: - StartX = 0; - StepX = 1; - break; - } - - /* Time to dump information out: */ - for (i = 0; i < ImageHeight; i++) { - if (EGifPutLine(GifFile, &Line[StartX], ImageWidth) == GIF_ERROR) - QuitGifError(GifFile); - GifQprintf("\b\b\b\b%-4d", Count++); - if ((Accumulator += ImageWidth) > ImageHeight) { - while (Accumulator > ImageHeight) { - Accumulator -= ImageHeight; - StartX += StepX; - } - if (Direction < 0) Direction = 0; - if (Direction > ImageWidth) Direction = ImageWidth; - } - } - } - - if (EGifCloseFile(GifFile) == GIF_ERROR) - QuitGifError(GifFile); - - return 0; -} - -/****************************************************************************** -* Close output file (if open), and exit. * -******************************************************************************/ -static void QuitGifError(GifFileType *GifFile) -{ - PrintGifError(); - if (GifFile != NULL) EGifCloseFile(GifFile); - exit(EXIT_FAILURE); -} diff --git a/giflib-4.1.6/util/gifburst b/giflib-4.1.6/util/gifburst deleted file mode 100755 index a11de76..0000000 --- a/giflib-4.1.6/util/gifburst +++ /dev/null @@ -1,75 +0,0 @@ -#!/usr/bin/perl -# -# Split a GIF image into four or six pieces, dividing in half horizontally -# and into halves or thirds vertically. -# -# The -s option controls the number of pieces. The -p option controls the -# amount of overlap (in pixels) at the edges of pieces. - -# Set to flush on print. -$| = 1; - -require 'getopts.pl'; - -# How many pieces? -$split = 4; -&Getopts("s:p:"); -$split = $opt_i if $opt_i; -$overlap = $opt_p if $opt_p; - -$nm=$ARGV[0]; -print "Bursting image $nm.gif...\n"; - -$stats=`giftext $nm.gif | grep Width | head -n1`; -$stats =~ /Width = ([0-9]+), Height = ([0-9]+)/; -$width=$1; -$height=$2; -print "Width is $width, height $height\n"; - -$overlap = 20; - -if ($split == 6) -{ - $a = int($width / 2) + $overlap; - $b = int($width / 2) - $overlap; - $c = int($width - 1); - $d = int($height / 3) - $overlap; - $e = int($height / 3) * 2 - $overlap; - $f = int($height / 3) + $overlap; - $g = int($height / 3) * 2 + $overlap; - $h = int($height - 1); - - $regions[1] = "0 0 $a $f"; - $regions[2] = "0 $d $a $g"; - $regions[3] = "0 $e $a $h"; - $regions[4] = "$b 0 $c $f"; - $regions[5] = "$b $d $c $g"; - $regions[6] = "$b $e $c $h"; -} -elsif ($split == 4) -{ - $a = int($width / 2) + $overlap; - $b = int($width / 2) - $overlap; - $c = int($width - 1); - $d = int($height / 2) - $overlap; - $e = int($height / 2) + $overlap; - $f = int($height - 1); - - $regions[1] = "0 0 $a $e"; - $regions[2] = "0 $d $a $f"; - $regions[3] = "$b 0 $c $e"; - $regions[4] = "$b $d $c $f"; -} -else -{ - die("I don't know how to make that many pieces.\n"); -} - -for ($i = 1; $i <= $split; $i++) -{ - print "${nm}-${i}: ${regions[$i]}\n"; - system("gifclip -i $regions[$i] ${nm}.gif >${nm}-${i}.gif"); -} - -print "$nm done\n" - diff --git a/giflib-4.1.6/util/gifclip.c b/giflib-4.1.6/util/gifclip.c deleted file mode 100644 index a12507e..0000000 --- a/giflib-4.1.6/util/gifclip.c +++ /dev/null @@ -1,324 +0,0 @@ -/***************************************************************************** -* "Gif-Lib" - Yet another gif library. * -* * -* Written by: Gershon Elber Ver 0.1, Jul. 1989 * -****************************************************************************** -* Program to clip an image and dump out only portion of it. * -* Options: * -* -q : quiet printing mode. * -* -i left top width bottom : clipping information for first image. * -* -n n left top width bottom : clipping information for nth image. * -* -c complement; remove the bands specified by -i or -n * -* -h : on-line help * -****************************************************************************** -* History: * -* 8 Jul 89 - Version 1.0 by Gershon Elber. * -*****************************************************************************/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#ifdef __MSDOS__ -#include -#include -#endif /* __MSDOS__ */ - -#ifndef __MSDOS__ -#include -#endif -#include -#include -#include -#include "gif_lib.h" -#include "getarg.h" - -#define PROGRAM_NAME "GifClip" - -#ifdef __MSDOS__ -extern unsigned int - _stklen = 16384; /* Increase default stack size. */ -#endif /* __MSDOS__ */ - -#ifdef SYSV -static char *VersionStr = - "Gif toolkit module,\t\tGershon Elber\n\ - (C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = "GifClip q%- c%- i%-Xmin|Ymin|Xmax|Ymax!d!d!d!d n%-n|Xmin|Ymin|Xmax|Ymax!d!d!d!d!d h%- GifFile!*s"; -#else -static char - *VersionStr = - PROGRAM_NAME - GIF_LIB_VERSION - " Gershon Elber, " - __DATE__ ", " __TIME__ "\n" - "(C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = - PROGRAM_NAME - " q%- c%- i%-Xmin|Ymin|Xmax|Ymax!d!d!d!d n%-n|Xmin|Ymin|Xmax|Ymax!d!d!d!d!d h%- GifFile!*s"; -#endif /* SYSV */ - -static void QuitGifError(GifFileType *GifFileIn, GifFileType *GifFileOut); - -/****************************************************************************** -* Interpret the command line and scan the given GIF file. * -******************************************************************************/ -int main(int argc, char **argv) -{ - int i, Error, NumFiles, ExtCode, CodeSize, ImageNum = 0, - ImageFlag = FALSE, ImageNFlag = FALSE, ImageN, ImageX1, ImageY1, - ImageX2, ImageY2, ImageWidth, ImageDepth, - Complement = FALSE, HelpFlag = FALSE; - GifRecordType RecordType; - GifByteType *Extension, *CodeBlock; - char **FileName = NULL; - GifRowType Line; - GifFileType *GifFileIn = NULL, *GifFileOut = NULL; - - /* Same image dimension vars for both Image & ImageN as only one allowed.*/ - if ((Error = GAGetArgs(argc, argv, CtrlStr, &GifQuietPrint, &Complement, - &ImageFlag, &ImageX1, &ImageY1, &ImageX2, &ImageY2, - &ImageNFlag, &ImageN, &ImageX1, &ImageY1, &ImageX2, &ImageY2, - &HelpFlag, &NumFiles, &FileName)) != FALSE || - (NumFiles > 1 && !HelpFlag)) { - if (Error) - GAPrintErrMsg(Error); - else if (NumFiles > 1) - GIF_MESSAGE("Error in command line parsing - one GIF file please."); - GAPrintHowTo(CtrlStr); - exit(EXIT_FAILURE); - } - - if (HelpFlag) { - fprintf(stderr, VersionStr); - GAPrintHowTo(CtrlStr); - exit(EXIT_SUCCESS); - } - - /* Test to make sure exactly one of ImageFlag & ImageNFlag is set: */ - if ((ImageFlag && ImageNFlag) || (!ImageFlag && !ImageNFlag)) { - GIF_MESSAGE("Exactly one of [-i ...] && [-n ...] please."); - GAPrintHowTo(CtrlStr); - exit(EXIT_FAILURE); - } - if (ImageFlag) ImageN = 1; /* Its first image we are after. */ - - /* Make sure the first coordinates of clipping box are smaller: */ - if (ImageX1 > ImageX2) { - i = ImageX1; - ImageX1 = ImageX2; - ImageX2 = i; - } - if (ImageY1 > ImageY2) { - i = ImageX1; - ImageY1 = ImageY2; - ImageY2 = i; - } - - if (NumFiles == 1) { - if ((GifFileIn = DGifOpenFileName(*FileName)) == NULL) - QuitGifError(GifFileIn, GifFileOut); - } - else { - /* Use the stdin instead: */ - if ((GifFileIn = DGifOpenFileHandle(0)) == NULL) - QuitGifError(GifFileIn, GifFileOut); - } - - /* Open stdout for the output file: */ - if ((GifFileOut = EGifOpenFileHandle(1)) == NULL) - QuitGifError(GifFileIn, GifFileOut); - - /* Width and depth of clipped image. */ - if (!Complement) - ImageWidth = ImageX2 - ImageX1 + 1; - else - ImageWidth = GifFileIn->SWidth - - (ImageX2 != ImageX1) * (ImageX2 - ImageX1 + 1); - if (!Complement) - ImageDepth = ImageY2 - ImageY1 + 1; - else - ImageDepth = GifFileIn->SHeight - - (ImageY2 != ImageY1) * (ImageY2 - ImageY1 + 1); - - /* And dump out exactly same screen information: */ - if (EGifPutScreenDesc(GifFileOut, - GifFileIn->SWidth, GifFileIn->SHeight, - GifFileIn->SColorResolution, GifFileIn->SBackGroundColor, - GifFileIn->SColorMap) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - /* Scan the content of the GIF file and load the image(s) in: */ - do { - if (DGifGetRecordType(GifFileIn, &RecordType) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - switch (RecordType) { - case IMAGE_DESC_RECORD_TYPE: - if (DGifGetImageDesc(GifFileIn) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - if (++ImageNum == ImageN) { - /* We can handle only non interlaced images here: */ - if (GifFileIn->Image.Interlace) - GIF_EXIT("Image to clip is interlaced - use GifInter first."); - - /* This is the image we should clip - test sizes and */ - /* dump out new clipped screen descriptor if o.k. */ - if (GifFileIn->Image.Width <= ImageX2 || - GifFileIn->Image.Height <= ImageY2) - GIF_EXIT("Image is smaller than given clip dimensions."); - - /* Put the image descriptor to out file: */ - if (EGifPutImageDesc(GifFileOut, - GifFileIn->Image.Left, GifFileIn->Image.Top, - ImageWidth, ImageDepth, - FALSE, GifFileIn->Image.ColorMap) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - /* o.k. - read the image and clip it: */ - Line = (GifRowType) malloc(GifFileIn->Image.Width * - sizeof(GifPixelType)); - GifQprintf("\n%s: Image %d at (%d, %d) [%dx%d]: ", - PROGRAM_NAME, ImageNum, - GifFileIn->Image.Left, GifFileIn->Image.Top, - GifFileIn->Image.Width, GifFileIn->Image.Height); - - /* Skip lines below ImageY1: */ - for (i = 0; i < ImageY1; i++) { - if (DGifGetLine(GifFileIn, Line, GifFileIn->Image.Width) - == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - if (Complement) { - if (ImageX1 == ImageX2) { - /* don't remove any vertical band */ - if (EGifPutLine(GifFileOut, Line, - ImageWidth) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - } - else - { - if (EGifPutLine(GifFileOut, Line, - ImageX1) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - if (EGifPutLine(GifFileOut, - &Line[ImageX2 + 1], - GifFileIn->SWidth - (ImageX2 + 1) - ) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - } - } - - GifQprintf("\b\b\b\b%-4d", i); - } - - /* Clip the lines from ImageY1 to ImageY2 (to X1 - X2): */ - for (i = ImageY1; i <= ImageY2; i++) { - if (DGifGetLine(GifFileIn, Line, GifFileIn->Image.Width) - == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - if (!Complement) - if (EGifPutLine(GifFileOut, &Line[ImageX1], - ImageWidth) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - GifQprintf("\b\b\b\b%-4d", i); - } - - /* Skip lines above ImageY2: */ - for (i = ImageY2 + 1; i < GifFileIn->Image.Height; i++) { - if (DGifGetLine(GifFileIn, Line, GifFileIn->Image.Width) - == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - if (Complement) { - if (ImageX1 == ImageX2) { - /* don't remove any vertical band */ - if (EGifPutLine(GifFileOut, Line, - ImageWidth) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - } - else - { - if (EGifPutLine(GifFileOut, Line, - ImageX1) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - if (EGifPutLine(GifFileOut, - &Line[ImageX2 + 1], - GifFileIn->SWidth - (ImageX2 + 1) - ) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - } - } - - GifQprintf("\b\b\b\b%-4d", i); - } - - free((char *) Line); - } - else { - /* Copy the image as is (we dont modify this one): */ - if (EGifPutImageDesc(GifFileOut, - GifFileIn->Image.Left, GifFileIn->Image.Top, - GifFileIn->Image.Width, GifFileIn->Image.Height, - GifFileIn->Image.Interlace, - GifFileIn->Image.ColorMap) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - /* Now read image itself in decoded form as we dont */ - /* really care what is there, and this is much faster. */ - if (DGifGetCode(GifFileIn, &CodeSize, &CodeBlock) == GIF_ERROR - || EGifPutCode(GifFileOut, CodeSize, CodeBlock) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - while (CodeBlock != NULL) - if (DGifGetCodeNext(GifFileIn, &CodeBlock) == GIF_ERROR || - EGifPutCodeNext(GifFileOut, CodeBlock) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - } - break; - case EXTENSION_RECORD_TYPE: - /* Skip any extension blocks in file: */ - if (DGifGetExtension(GifFileIn, &ExtCode, &Extension) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - if (EGifPutExtension(GifFileOut, ExtCode, Extension[0], - Extension) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - /* No support to more than one extension blocks, so discard: */ - while (Extension != NULL) { - if (DGifGetExtensionNext(GifFileIn, &Extension) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - } - break; - case TERMINATE_RECORD_TYPE: - break; - default: /* Should be traps by DGifGetRecordType. */ - break; - } - } - while (RecordType != TERMINATE_RECORD_TYPE); - - if (DGifCloseFile(GifFileIn) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - if (EGifCloseFile(GifFileOut) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - return 0; -} - -/****************************************************************************** -* Close both input and output file (if open), and exit. * -******************************************************************************/ -static void QuitGifError(GifFileType *GifFileIn, GifFileType *GifFileOut) -{ - PrintGifError(); - if (GifFileIn != NULL) DGifCloseFile(GifFileIn); - if (GifFileOut != NULL) EGifCloseFile(GifFileOut); - exit(EXIT_FAILURE); -} - diff --git a/giflib-4.1.6/util/gifclrmp.c b/giflib-4.1.6/util/gifclrmp.c deleted file mode 100644 index e24e091..0000000 --- a/giflib-4.1.6/util/gifclrmp.c +++ /dev/null @@ -1,361 +0,0 @@ -/***************************************************************************** -* "Gif-Lib" - Yet another gif library. * -* * -* Written by: Gershon Elber Ver 0.1, Jul. 1989 * -****************************************************************************** -* Program to modify GIF file color map(s). Images are not modified at all. * -* Options: * -* -q : quiet printing mode. * -* -s : save screen color map (unless -i - see below), to stdout. * -* -l colormap.file : substitute given colormap.file colormap into screen * -* colormap (unless -i - see below). * -* -g correction : apply gamma correction to the screen colormap (unless -i - * -* see below). * -* -i n : select image number n color map instead of screen map for above * -* operations (n = 1 for first image). * -* -h : on-line help. * -* All color maps are ascii text files, with one line per color of the * -* form: index, Red color, Green color, Blue color - all in the range 0..255. * -* All color maps should be in the exact same length. * -****************************************************************************** -* History: * -* 17 Jul 89 - Version 1.0 by Gershon Elber. * -*****************************************************************************/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#ifdef __MSDOS__ -#include -#include -#endif /* __MSDOS__ */ - -#ifndef __MSDOS__ -#include -#endif -#include -#include -#include -#include -#include "gif_lib.h" -#include "getarg.h" - -#define PROGRAM_NAME "GifClrMp" - -#ifdef __MSDOS__ -extern unsigned int - _stklen = 16384; /* Increase default stack size. */ -#endif /* __MSDOS__ */ - -#ifdef SYSV -static char *VersionStr = - "Gif toolkit module,\t\tGershon Elber\n\ - (C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = "GifClrMp q%- s%- t%-TranslationFile!s l%-ColorMapFile!s g%-Gamma!F i%-Image#!d h%- GifFile!*s"; -#else -static char - *VersionStr = - PROGRAM_NAME - GIF_LIB_VERSION - " Gershon Elber, " - __DATE__ ", " __TIME__ "\n" - "(C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = - PROGRAM_NAME - " q%- s%- t%-TranslationFile!s l%-ColorMapFile!s g%-Gamma!F i%-Image#!d h%- GifFile!*s"; -#endif /* SYSV */ - -static int - SaveFlag = FALSE, - TranslateFlag = FALSE, - LoadFlag = FALSE, - GammaFlag = FALSE; -static - double Gamma = 1.0; -static - FILE *ColorFile = NULL; - FILE *TranslateFile = NULL; -static - GifPixelType Translation[256]; - -static ColorMapObject *ModifyColorMap(ColorMapObject *ColorMap); -static void QuitGifError(GifFileType *GifFileIn, GifFileType *GifFileOut); - -/****************************************************************************** -* Interpret the command line and scan the given GIF file. * -******************************************************************************/ -int main(int argc, char **argv) -{ - int Error, NumFiles, ExtCode, CodeSize, ImageNum = 0, - ImageNFlag = FALSE, ImageN, HelpFlag = FALSE, HasGIFOutput; - GifRecordType RecordType; - GifByteType *Extension, *CodeBlock; - char **FileName = NULL, *ColorFileName, *TranslateFileName; - GifFileType *GifFileIn = NULL, *GifFileOut = NULL; - - if ((Error = GAGetArgs(argc, argv, CtrlStr, &GifQuietPrint, &SaveFlag, - &TranslateFlag, &TranslateFileName, - &LoadFlag, &ColorFileName, - &GammaFlag, &Gamma, &ImageNFlag, &ImageN, - &HelpFlag, &NumFiles, &FileName)) != FALSE || - (NumFiles > 1 && !HelpFlag)) { - if (Error) - GAPrintErrMsg(Error); - else if (NumFiles > 1) - GIF_MESSAGE("Error in command line parsing - one GIF file please."); - GAPrintHowTo(CtrlStr); - exit(EXIT_FAILURE); - } - - if (HelpFlag) { - fprintf(stderr, VersionStr); - GAPrintHowTo(CtrlStr); - exit(EXIT_SUCCESS); - } - - if (SaveFlag + LoadFlag + GammaFlag + TranslateFlag > 1) - GIF_EXIT("Can not handle more than one of -s -l, -t, or -g at the same time."); - - if (NumFiles == 1) { - if ((GifFileIn = DGifOpenFileName(*FileName)) == NULL) - QuitGifError(GifFileIn, GifFileOut); - } - else { - /* Use stdin instead: */ - if ((GifFileIn = DGifOpenFileHandle(0)) == NULL) - QuitGifError(GifFileIn, GifFileOut); - } - - if (SaveFlag) { - /* We are dumping out the color map as text file to stdout: */ - ColorFile = stdout; - } - else { - if (TranslateFlag) { - /* We are loading new color map from specified file: */ - if ((TranslateFile = fopen(TranslateFileName, "rt")) == NULL) - GIF_EXIT("Failed to open specified color translation file."); - } - - if (LoadFlag) { - /* We are loading new color map from specified file: */ - if ((ColorFile = fopen(ColorFileName, "rt")) == NULL) - GIF_EXIT("Failed to open specified color map file."); - } - } - - if ((HasGIFOutput = (LoadFlag || TranslateFlag || GammaFlag)) != 0) { - /* Open stdout for GIF output file: */ - if ((GifFileOut = EGifOpenFileHandle(1)) == NULL) - QuitGifError(GifFileIn, GifFileOut); - } - - if (!ImageNFlag) { - /* We are suppose to modify the screen color map, so do it: */ - GifFileIn->SColorMap = ModifyColorMap(GifFileIn->SColorMap); - if (!HasGIFOutput) { - /* We can quit here, as we have the color map: */ - if (GifFileIn != NULL) DGifCloseFile(GifFileIn); - fclose(ColorFile); - exit(EXIT_SUCCESS); - } - } - /* And dump out its new possible repositioned screen information: */ - if (HasGIFOutput) - if (EGifPutScreenDesc(GifFileOut, - GifFileIn->SWidth, GifFileIn->SHeight, - GifFileIn->SColorResolution, GifFileIn->SBackGroundColor, - GifFileIn->SColorMap) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - /* Scan the content of the GIF file and load the image(s) in: */ - do { - if (DGifGetRecordType(GifFileIn, &RecordType) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - switch (RecordType) { - case IMAGE_DESC_RECORD_TYPE: - if (DGifGetImageDesc(GifFileIn) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - if ((++ImageNum == ImageN) && ImageNFlag) { - /* We are suppose to modify this image color map, do it: */ - GifFileIn->SColorMap =ModifyColorMap(GifFileIn->SColorMap); - if (!HasGIFOutput) { - /* We can quit here, as we have the color map: */ - if (GifFileIn != NULL) DGifCloseFile(GifFileIn); - fclose(ColorFile); - exit(EXIT_SUCCESS); - } - } - if (HasGIFOutput) - if (EGifPutImageDesc(GifFileOut, - GifFileIn->Image.Left, GifFileIn->Image.Top, - GifFileIn->Image.Width, GifFileIn->Image.Height, - GifFileIn->Image.Interlace, - GifFileIn->Image.ColorMap) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - if (!TranslateFlag || (ImageNFlag && (ImageN != ImageNum))) - { - /* Now read image itself in decoded form as we don't */ - /* really care what we have there, and this is much */ - /* faster. */ - if (DGifGetCode(GifFileIn, &CodeSize, &CodeBlock) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - if (HasGIFOutput) - if (EGifPutCode(GifFileOut, CodeSize, CodeBlock) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - while (CodeBlock != NULL) { - if (DGifGetCodeNext(GifFileIn, &CodeBlock) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - if (HasGIFOutput) - if (EGifPutCodeNext(GifFileOut, CodeBlock) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - } - } - else /* we need to mung pixels intices */ - { - int i; - register GifPixelType *cp; - - GifPixelType *Line - = (GifPixelType *) malloc(GifFileIn->Image.Width * - sizeof(GifPixelType)); - for (i = 0; i < GifFileIn->Image.Height; i++) { - if (DGifGetLine(GifFileIn, Line,GifFileIn->Image.Width) - == GIF_ERROR) { - QuitGifError(GifFileIn, GifFileOut); - } - - /* translation step goes here */ - for (cp = Line; cp < Line+GifFileIn->Image.Width; cp++) - *cp = Translation[*cp]; - - if (EGifPutLine(GifFileOut, - Line, GifFileIn->Image.Width) - == GIF_ERROR) { - QuitGifError(GifFileIn, GifFileOut); - } - } - free((char *) Line); - } - break; - case EXTENSION_RECORD_TYPE: - /* Skip any extension blocks in file: */ - if (DGifGetExtension(GifFileIn, &ExtCode, &Extension) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - if (HasGIFOutput) - if (EGifPutExtension(GifFileOut, ExtCode, Extension[0], - Extension) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - /* No support to more than one extension blocks, so discard: */ - while (Extension != NULL) { - if (DGifGetExtensionNext(GifFileIn, &Extension) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - } - break; - case TERMINATE_RECORD_TYPE: - break; - default: /* Should be traps by DGifGetRecordType. */ - break; - } - } - while (RecordType != TERMINATE_RECORD_TYPE); - - if (DGifCloseFile(GifFileIn) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - if (HasGIFOutput) - if (EGifCloseFile(GifFileOut) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - return 0; -} - -/****************************************************************************** -* Modify the given colormap according to global variables setting. * -******************************************************************************/ -static ColorMapObject *ModifyColorMap(ColorMapObject *ColorMap) -{ - int i, Dummy, Red, Green, Blue, Max = 0; - double Gamma1; - - if (SaveFlag) { - /* Save this color map to ColorFile: */ - for (i = 0; i < ColorMap->ColorCount; i++) - fprintf(ColorFile, "%3d %3d %3d %3d\n", i, - ColorMap->Colors[i].Red, - ColorMap->Colors[i].Green, - ColorMap->Colors[i].Blue); - return(ColorMap); - } - else if (LoadFlag) { - /* Read the color map in ColorFile into this color map: */ - for (i = 0; i < ColorMap->ColorCount; i++) { - if (feof(ColorFile)) - GIF_EXIT("Color file to load color map from, too small."); - fscanf(ColorFile, "%3d %3d %3d %3d\n", &Dummy, &Red, &Green, &Blue); - ColorMap->Colors[i].Red = Red; - ColorMap->Colors[i].Green = Green; - ColorMap->Colors[i].Blue = Blue; - } - return(ColorMap); - } - else if (GammaFlag) { - /* Apply gamma correction to this color map: */ - Gamma1 = 1.0 / Gamma; - for (i = 0; i < ColorMap->ColorCount; i++) { - ColorMap->Colors[i].Red = - ((int) (255 * pow(ColorMap->Colors[i].Red / 255.0, Gamma1))); - ColorMap->Colors[i].Green = - ((int) (255 * pow(ColorMap->Colors[i].Green / 255.0, Gamma1))); - ColorMap->Colors[i].Blue = - ((int) (255 * pow(ColorMap->Colors[i].Blue / 255.0, Gamma1))); - } - return(ColorMap); - } - else if (TranslateFlag) { - ColorMapObject *NewMap; - - /* Read the translation table in TranslateFile: */ - for (i = 0; i < ColorMap->ColorCount; i++) { - int tmp; - if (feof(TranslateFile)) - GIF_EXIT("Color file to load color map from, too small."); - fscanf(TranslateFile, "%3d %3d\n", &Dummy, &tmp); - Translation[i] = tmp; - if (Translation[i] > Max) - Max = Translation[i]; - } - - if ((NewMap = MakeMapObject(1 << BitSize(Max+1), NULL)) == NULL) - GIF_EXIT("Out of memory while allocating color map!"); - - /* Apply the translation; we'll do it to the pixels, too */ - for (i = 0; i < ColorMap->ColorCount; i++) { - NewMap->Colors[i] = ColorMap->Colors[Translation[i]]; - } - - return(NewMap); - } - else - { - GIF_EXIT("Nothing to do!"); - return(ColorMap); - } -} - -/****************************************************************************** -* Close both input and output file (if open), and exit. * -******************************************************************************/ -static void QuitGifError(GifFileType *GifFileIn, GifFileType *GifFileOut) -{ - PrintGifError(); - if (GifFileIn != NULL) DGifCloseFile(GifFileIn); - if (GifFileOut != NULL) EGifCloseFile(GifFileOut); - exit(EXIT_FAILURE); -} - diff --git a/giflib-4.1.6/util/gifcolor.c b/giflib-4.1.6/util/gifcolor.c deleted file mode 100644 index 30a3523..0000000 --- a/giflib-4.1.6/util/gifcolor.c +++ /dev/null @@ -1,189 +0,0 @@ -/***************************************************************************** -* "Gif-Lib" - Yet another gif library. * -* * -* Written by: Gershon Elber Ver 0.1, Jul. 1989 * -****************************************************************************** -* Program to generate a test pattern from a given color map * -****************************************************************************** -* Options: * -* -q : quiet printing mode. * -* -b : set background color. -* -h : on-line help. * -****************************************************************************** -* History: * -* 21 Sep 92 - Version 1.0 by Eric S. Raymond. * -*****************************************************************************/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#ifdef __MSDOS__ -#include -#include -#endif /* __MSDOS__ */ - -#ifndef __MSDOS__ -#include -#endif -#include -#include -#include -#include "gif_lib.h" -#include "getarg.h" - -#define PROGRAM_NAME "GifColor" - -#define LINE_LEN 40 -#define IMAGEWIDTH LINE_LEN*GIF_FONT_WIDTH - -#ifdef __MSDOS__ -extern unsigned int - _stklen = 16384; /* Increase default stack size. */ -#endif /* __MSDOS__ */ - -#ifdef SYSV -static char *VersionStr = - "Gif library module \t\tGershon Elber\n\ - (C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = "GifColor q%- b%-Background!d h%-"; -#else -static char - *VersionStr = - PROGRAM_NAME - GIF_LIB_VERSION - " Gershon Elber, " - __DATE__ ", " __TIME__ "\n" - "(C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = PROGRAM_NAME " q%- b%-Background!d h%-"; -#endif /* SYSV */ - -static int BackGround = 0; -static void QuitGifError(GifFileType *GifFile); -static void GenRasterTextLine(GifRowType *RasterBuffer, char *TextLine, - int BufferWidth, int ForeGroundIndex); - -/****************************************************************************** -* Interpret the command line and generate the given GIF file. * -******************************************************************************/ -int main(int argc, char **argv) -{ - int i, j, l, Error, GifQuietPrint, ColorMapSize, - BackGroundFlag = FALSE, HelpFlag = FALSE; - char Line[LINE_LEN]; - GifRowType RasterBuffer[GIF_FONT_HEIGHT]; - ColorMapObject *ColorMap; - GifFileType *GifFile; - GifColorType ScratchMap[256]; - int red, green, blue; - - if ((Error = GAGetArgs(argc, argv, CtrlStr, - &GifQuietPrint, - &BackGroundFlag, &BackGround, - &HelpFlag)) != FALSE) { - GAPrintErrMsg(Error); - GAPrintHowTo(CtrlStr); - exit(EXIT_FAILURE); - } - - if (HelpFlag) { - fprintf(stderr, VersionStr); - GAPrintHowTo(CtrlStr); - exit(EXIT_SUCCESS); - } - - /* Allocate the raster buffer for GIF_FONT_HEIGHT scan lines. */ - for (i = 0; i < GIF_FONT_HEIGHT; i++) - { - if ((RasterBuffer[i] = (GifRowType) malloc(sizeof(GifPixelType) * - IMAGEWIDTH)) == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - } - - /* Open stdout for the output file: */ - if ((GifFile = EGifOpenFileHandle(1)) == NULL) - QuitGifError(GifFile); - - /* Read the color map in ColorFile into this color map: */ - ColorMapSize = 0; - while (fscanf(stdin, - "%*3d %3d %3d %3d\n", - &red, &green, &blue) == 3) { - ScratchMap[ColorMapSize].Red = red; - ScratchMap[ColorMapSize].Green = green; - ScratchMap[ColorMapSize].Blue = blue; - ColorMapSize++; - } - - if ((ColorMap = MakeMapObject(1 << BitSize(ColorMapSize), ScratchMap)) == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - - if (EGifPutScreenDesc(GifFile, - IMAGEWIDTH, ColorMapSize * GIF_FONT_HEIGHT, - BitSize(ColorMapSize), - BackGround, ColorMap) == GIF_ERROR) - QuitGifError(GifFile); - - /* Dump out the image descriptor: */ - if (EGifPutImageDesc(GifFile, - 0, 0, IMAGEWIDTH, ColorMapSize * GIF_FONT_HEIGHT, FALSE, NULL) == GIF_ERROR) - QuitGifError(GifFile); - - GifQprintf("\n%s: Image 1 at (%d, %d) [%dx%d]: ", - PROGRAM_NAME, GifFile->Image.Left, GifFile->Image.Top, - GifFile->Image.Width, GifFile->Image.Height); - - for (i = l = 0; i < ColorMap->ColorCount; i++) { - (void)sprintf(Line, "Color %-3d: [%-3d, %-3d, %-3d] ", i, - ColorMap->Colors[i].Red, - ColorMap->Colors[i].Green, - ColorMap->Colors[i].Blue); - GenRasterTextLine(RasterBuffer, Line, IMAGEWIDTH, i); - for (j = 0; j < GIF_FONT_HEIGHT; j++) { - if (EGifPutLine(GifFile, RasterBuffer[j], IMAGEWIDTH) == GIF_ERROR) - QuitGifError(GifFile); - GifQprintf("\b\b\b\b%-4d", l++); - } - } - - if (EGifCloseFile(GifFile) == GIF_ERROR) - QuitGifError(GifFile); - - return 0; -} - -/****************************************************************************** -* Close output file (if open), and exit. * -******************************************************************************/ -static void GenRasterTextLine(GifRowType *RasterBuffer, char *TextLine, - int BufferWidth, int ForeGroundIndex) -{ - unsigned char c; - unsigned char Byte, Mask; - int i, j, k, CharPosX, Len = strlen(TextLine); - - for (i = 0; i < BufferWidth; i++) - for (j = 0; j < GIF_FONT_HEIGHT; j++) RasterBuffer[j][i] = BackGround; - - for (i = CharPosX = 0; i < Len; i++, CharPosX += GIF_FONT_WIDTH) { - c = TextLine[i]; - for (j = 0; j < GIF_FONT_HEIGHT; j++) { - Byte = AsciiTable[(unsigned short)c][j]; - for (k = 0, Mask = 128; k < GIF_FONT_WIDTH; k++, Mask >>= 1) - if (Byte & Mask) - RasterBuffer[j][CharPosX + k] = ForeGroundIndex; - } - } -} - -/****************************************************************************** -* Close output file (if open), and exit. * -******************************************************************************/ -static void QuitGifError(GifFileType *GifFile) -{ - PrintGifError(); - if (GifFile != NULL) EGifCloseFile(GifFile); - exit(EXIT_FAILURE); -} diff --git a/giflib-4.1.6/util/gifcomb.c b/giflib-4.1.6/util/gifcomb.c deleted file mode 100644 index 9b81952..0000000 --- a/giflib-4.1.6/util/gifcomb.c +++ /dev/null @@ -1,266 +0,0 @@ -/***************************************************************************** -* "Gif-Lib" - Yet another gif library. * -* * -* Written by: Gershon Elber Ver 0.1, Jul. 1989 * -****************************************************************************** -* Program to combine 2 GIF images into single one, using optional mask GIF * -* file. Result colormap will be the union of the two images colormaps. * -* Both images should have exactly the same size, although they may be mapped * -* differently on screen. Only First GIF screen descriptor info. is used. * -* Options: * -* -q : quiet printing mode. * -* -m mask : optional boolean image, defines where second GIF should be used. * -* -h : on-line help. * -****************************************************************************** -* History: * -* 12 Jul 89 - Version 1.0 by Gershon Elber. * -*****************************************************************************/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#ifdef __MSDOS__ -#include -#include -#endif /* _MSDOS__ */ - -#ifndef __MSDOS__ -#include -#endif -#include -#include -#include -#include "gif_lib.h" -#include "getarg.h" - -#define PROGRAM_NAME "GifComb" - -#ifdef __MSDOS__ -extern unsigned int - _stklen = 16384; /* Increase default stack size. */ -#endif /* __MSDOS__ */ - -#ifdef SYSV -static char *VersionStr = - "Gif toolkit module,\t\tGershon Elber\n\ - (C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = "GifComb q%- m%-MaskGIFFile!s h%- GifFile!*s"; -#else -static char - *VersionStr = - PROGRAM_NAME - GIF_LIB_VERSION - " Gershon Elber, " - __DATE__ ", " __TIME__ "\n" - "(C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = - PROGRAM_NAME - " q%- m%-MaskGIFFile!s h%- GifFile!*s"; -#endif /* SYSV */ - -static int ReadUntilImage(GifFileType *GifFile); -static void QuitGifError(GifFileType *GifFileIn1, GifFileType *GifFileIn2, - GifFileType *GifMaskFile, GifFileType *GifFileOut); - -/****************************************************************************** -* Interpret the command line and scan the given GIF file. * -******************************************************************************/ -int main(int argc, char **argv) -{ - int i, j, Error, NumFiles, Size, - MaskFlag = FALSE, HelpFlag = FALSE; - char **FileName = NULL, *MaskFileName; - GifPixelType ColorTransIn2[256]; - GifRowType LineIn1 = NULL, LineIn2 = NULL, LineMask = NULL, LineOut = NULL; - ColorMapObject *ColorUnion; - ColorMapObject *ColorIn1 = NULL, *ColorIn2 = NULL; - GifFileType *GifFileIn1 = NULL, *GifFileIn2 = NULL, *GifMaskFile = NULL, - *GifFileOut = NULL; - - if ((Error = GAGetArgs(argc, argv, CtrlStr, - &GifQuietPrint, &MaskFlag, &MaskFileName, - &HelpFlag, &NumFiles, &FileName)) != FALSE || - (NumFiles != 2 && !HelpFlag)) { - if (Error) - GAPrintErrMsg(Error); - else if (NumFiles != 2) - GIF_MESSAGE("Error in command line parsing - two GIF file please."); - GAPrintHowTo(CtrlStr); - exit(EXIT_FAILURE); - } - - if (HelpFlag) { - fprintf(stderr, VersionStr); - GAPrintHowTo(CtrlStr); - exit(EXIT_SUCCESS); - } - - /* Open all input files (two GIF to combine, and optional mask): */ - if ((GifFileIn1 = DGifOpenFileName(FileName[0])) == NULL || - (GifFileIn2 = DGifOpenFileName(FileName[1])) == NULL || - (MaskFlag && (GifMaskFile = DGifOpenFileName(MaskFileName)) == NULL)) - QuitGifError(GifFileIn1, GifFileIn2, GifMaskFile, GifFileOut); - - if (ReadUntilImage(GifFileIn1) == GIF_ERROR || - ReadUntilImage(GifFileIn2) == GIF_ERROR || - (MaskFlag && ReadUntilImage(GifMaskFile) == GIF_ERROR)) - QuitGifError(GifFileIn1, GifFileIn2, GifMaskFile, GifFileOut); - - if (GifFileIn1->Image.Width != GifFileIn2->Image.Width || - GifFileIn2->Image.Height != GifFileIn2->Image.Height || - (MaskFlag && (GifFileIn1->Image.Width != GifMaskFile->Image.Width || - GifFileIn1->Image.Height != GifMaskFile->Image.Height))) - GIF_EXIT("Given GIF files have different image dimensions."); - - /* Open stdout for the output file: */ - if ((GifFileOut = EGifOpenFileHandle(1)) == NULL) - QuitGifError(GifFileIn1, GifFileIn2, GifMaskFile, GifFileOut); - - Size = sizeof(GifPixelType) * GifFileIn1->Image.Width; - if ((LineIn1 = (GifRowType) malloc(Size)) == NULL || - (LineIn2 = (GifRowType) malloc(Size)) == NULL || - (MaskFlag && (LineMask = (GifRowType) malloc(Size)) == NULL) || - (LineOut = (GifRowType) malloc(Size)) == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - - if (GifFileIn1->Image.ColorMap) { - ColorIn1 = GifFileIn1->Image.ColorMap; - } - else if (GifFileIn1->SColorMap) { - ColorIn1 = GifFileIn1->SColorMap; - } - else - GIF_EXIT("Neither Screen nor Image color map exists - GIF file 1."); - - if (GifFileIn2->Image.ColorMap) { - ColorIn2 = GifFileIn2->Image.ColorMap; - } - else if (GifFileIn2->SColorMap) { - ColorIn2 = GifFileIn2->SColorMap; - } - else - GIF_EXIT("Neither Screen nor Image color map exists - GIF file 2."); - - /* Create union of the two given color maps. ColorIn1 will be copied as */ - /* is while ColorIn2 will be mapped using ColorTransIn2 table. */ - /* ColorUnion is allocated by the procedure itself. */ - if ((ColorUnion = UnionColorMap(ColorIn1, ColorIn2, ColorTransIn2))==NULL) - GIF_EXIT("Unioned color map is too big (>256 colors)."); - - /* Dump out new image and screen descriptors: */ - if (EGifPutScreenDesc(GifFileOut, - GifFileIn1->SWidth, GifFileIn1->SHeight, - ColorUnion->BitsPerPixel, GifFileIn1->SBackGroundColor, - ColorUnion) == GIF_ERROR) - QuitGifError(GifFileIn1, GifFileIn2, GifMaskFile, GifFileOut); - - if (EGifPutImageDesc(GifFileOut, - GifFileIn1->Image.Left, GifFileIn1->Image.Top, - GifFileIn1->Image.Width, GifFileIn1->Image.Height, - GifFileIn1->Image.Interlace, NULL) == GIF_ERROR) - QuitGifError(GifFileIn1, GifFileIn2, GifMaskFile, GifFileOut); - - - /* Time to do it: read 2 scan lines from 2 files (and optionally from */ - /* the mask file, merge them and them result out. Do it Height times: */ - GifQprintf("\n%s: Image 1 at (%d, %d) [%dx%d]: ", - PROGRAM_NAME, GifFileOut->Image.Left, GifFileOut->Image.Top, - GifFileOut->Image.Width, GifFileOut->Image.Height); - for (i = 0; i < GifFileIn1->Image.Height; i++) { - if (DGifGetLine(GifFileIn1, LineIn1, GifFileIn1->Image.Width) == GIF_ERROR || - DGifGetLine(GifFileIn2, LineIn2, GifFileIn2->Image.Width) == GIF_ERROR || - (MaskFlag && - DGifGetLine(GifMaskFile, LineMask, GifMaskFile->Image.Width) - == GIF_ERROR)) - QuitGifError(GifFileIn1, GifFileIn2, GifMaskFile, GifFileOut); - if (MaskFlag) { - /* Every time Mask has non background color, use LineIn1 pixel, */ - /* otherwise use LineIn2 pixel instead. */ - for (j = 0; j < GifFileIn1->Image.Width; j++) { - if (LineMask[j] != GifMaskFile->SBackGroundColor) - LineOut[j] = LineIn1[j]; - else - LineOut[j] = ColorTransIn2[LineIn2[j]]; - } - } - else { - /* Every time Color of Image 1 is equal to background - take it */ - /* From Image 2 instead of the background. */ - for (j = 0; j < GifFileIn1->Image.Width; j++) { - if (LineIn1[j] != GifFileIn1->SBackGroundColor) - LineOut[j] = LineIn1[j]; - else - LineOut[j] = ColorTransIn2[LineIn2[j]]; - } - } - if (EGifPutLine(GifFileOut, LineOut, GifFileOut->Image.Width) - == GIF_ERROR) - QuitGifError(GifFileIn1, GifFileIn2, GifMaskFile, GifFileOut); - GifQprintf("\b\b\b\b%-4d", i); - } - - FreeMapObject(ColorUnion); /* We dont need this any more... */ - ColorUnion = NULL; - - if (DGifCloseFile(GifFileIn1) == GIF_ERROR || - DGifCloseFile(GifFileIn2) == GIF_ERROR || - EGifCloseFile(GifFileOut) == GIF_ERROR || - (MaskFlag && DGifCloseFile(GifMaskFile) == GIF_ERROR)) - QuitGifError(GifFileIn1, GifFileIn2, GifMaskFile, GifFileOut); - - return 0; -} - -/****************************************************************************** -* Read until first image in GIF file is detected and read its descriptor. * -******************************************************************************/ -static int ReadUntilImage(GifFileType *GifFile) -{ - int ExtCode; - GifRecordType RecordType; - GifByteType *Extension; - - /* Scan the content of the GIF file, until image descriptor is detected: */ - do { - if (DGifGetRecordType(GifFile, &RecordType) == GIF_ERROR) - return GIF_ERROR; - - switch (RecordType) { - case IMAGE_DESC_RECORD_TYPE: - return DGifGetImageDesc(GifFile); - case EXTENSION_RECORD_TYPE: - /* Skip any extension blocks in file: */ - if (DGifGetExtension(GifFile, &ExtCode, &Extension) == GIF_ERROR) - return GIF_ERROR; - - while (Extension != NULL) - if (DGifGetExtensionNext(GifFile, &Extension) == GIF_ERROR) - return GIF_ERROR; - break; - case TERMINATE_RECORD_TYPE: - break; - default: /* Should be traps by DGifGetRecordType. */ - break; - } - } - while (RecordType != TERMINATE_RECORD_TYPE); - - return GIF_ERROR; /* We should be here - no image was found! */ -} - -/****************************************************************************** -* Close both input and output file (if open), and exit. * -******************************************************************************/ -static void QuitGifError(GifFileType *GifFileIn1, GifFileType *GifFileIn2, - GifFileType *GifMaskFile, GifFileType *GifFileOut) -{ - PrintGifError(); - if (GifFileIn1 != NULL) DGifCloseFile(GifFileIn1); - if (GifFileIn2 != NULL) DGifCloseFile(GifFileIn2); - if (GifMaskFile != NULL) DGifCloseFile(GifMaskFile); - if (GifFileOut != NULL) EGifCloseFile(GifFileOut); - exit(EXIT_FAILURE); -} diff --git a/giflib-4.1.6/util/gifcompose b/giflib-4.1.6/util/gifcompose deleted file mode 100755 index 92faf3e..0000000 --- a/giflib-4.1.6/util/gifcompose +++ /dev/null @@ -1,119 +0,0 @@ -#!/bin/sh -# -# gifcompose --- a GIF compositor -# -# This script composes a GIF from a series of overlays described in an input -# text file. -# -if [ "$1" = "-v" ] -then - echo=echo -else - echo=: -fi - -trap "rm -fr comp$$ tmp$$ btmp$$; exit 0" 0 1 2 15 - -mkdir comp$$; - -gen="x" -while read line -do - set -- $line - postproc='n' - name=$2 - case $1 in - gif) - $echo "Pasting GIF file $2.gif" 1>&2; - cat $2.gif >tmp$$ - shift; shift; postproc='y' ;; - raw) - $echo "Pasting raw file $2" 1>&2; - raw2gif -s $3 $4 <$2 >tmp$$ - shift; shift; shift; shift; postproc='y' ;; - rgb) - $echo "Pasting RGB file $2" 1>&2; - rgb2gif -s $3 $4 <$2 >tmp$$ - shift; shift; shift; shift; postproc='y' ;; - rle) - $echo "Pasting RLE file $2" 1>&2; - rle2gif $2 >tmp$$ - shift; shift; postproc='y' ;; - text) - $echo "Generating text \`$2'" 1>&2; - case "$3" in - foreground) - text2gif -t "$2" -f $4 >tmp$$; - shift; shift;; - background) - text2gif -t "$2" -c $4 $5 $6 >tmp$$; - shift; shift; shift; shift;; - *) - text2gif -t "$2" >tmp$$;; - esac - shift; shift; postproc='y' ;; - screen) - case $2 in - size) resize="$3 $4";; - position) reposition="$3 $4";; - *) echo "Unknown screen operation" 1>&2 - esac;; - esac - - if [ $postproc = 'y' ] - then - while [ $# != 0 ] - do - case "$1" in - at) - $echo "Positioning \`$name' at $2 $3" 1>&2 - gifpos -i $2 $3 btmp$$; mv btmp$$ tmp$$; - shift; shift; shift;; - clip) - $echo "Clipping \`$name' to size $2 $3 $4 $5" 1>&2 - gifclip -i $2 $3 $4 $5 btmp$$; mv btmp$$ tmp$$; - shift; shift; shift; shift; shift;; - xflip) - $echo "Flipping \`$name' around the X axis" 1>&2; - gifflip -x btmp$$; mv btmp$$ tmp$$; - shift;; - yflip) - $echo "Flipping \`$name' around the Y axis" 1>&2; - gifflip -y btmp$$; mv btmp$$ tmp$$; - shift;; - left) - $echo "Rotating \`$name' left (counterclockwise)" 1>&2; - gifflip -l btmp$$; mv btmp$$ tmp$$; - shift;; - right) - $echo "Rotating \`$name' right (clockwise)" 1>&2; - gifflip -r btmp$$; mv btmp$$ tmp$$; - shift;; - ''|\#*) - break;; - *) - echo "Unknown operator \`$1'" 1>&2 - shift;; - esac - done - - mv tmp$$ comp$$/${gen}.gif - fi - - gen="${gen}x"; -done - -gifasm comp$$/*.gif | gifovly -t 0 >tmp$$ -if [ "$resize" ] -then - gifpos -s $resize btmp$$; mv btmp$$ tmp$$; -fi -if [ "$reposition" ] -then - gifpos -n $reposition btmp$$; mv btmp$$ tmp$$; -fi -cat tmp$$ - -$echo "Done." - -# script ends here diff --git a/giflib-4.1.6/util/giffiltr.c b/giflib-4.1.6/util/giffiltr.c deleted file mode 100644 index f2c1d67..0000000 --- a/giflib-4.1.6/util/giffiltr.c +++ /dev/null @@ -1,142 +0,0 @@ -/* - * Skeleton file for generic GIF `filter' program --- sequentially read GIF - * records from stdin, process them, send them out. Most of the junk above - * `int main' isn't needed for the skeleton, but is likely to be for what - * you'll do with it. - * - * If you compile this, it will turn into an expensive GIF copying routine; - * stdin to stdout with no changes and minimal validation. Well, it's a - * decent test of the low-level routines, anyway. - * - * Note: due to the vicissitudes of Lempel-Ziv compression, the output of this - * copier may not be bitwise identical to its input. This can happen if you - * copy an image from a much more (or much *less*) memory-limited system; your - * compression may use more (or fewer) bits. The uncompressed rasters should, - * however, be identical (you can check this with icon2gif -d). - */ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#ifdef __MSDOS__ -#include -#include -#include -#include -#endif /* __MSDOS__ */ - -#include -#include -#include -#ifdef HAVE_FCNTL_H -#include -#endif /* HAVE_FCNTL_H */ -#include "getarg.h" -#include "gif_lib.h" - -#define PROGRAM_NAME "giffiltr" - -#ifdef __MSDOS__ -extern unsigned int - _stklen = 16384; /* Increase default stack size. */ -#endif /* __MSDOS__ */ - - -/****************************************************************************** -* Close both input and output file (if open), and exit. * -******************************************************************************/ -static void QuitGifError(GifFileType *GifFileIn, GifFileType *GifFileOut) -{ - PrintGifError(); - if (GifFileIn != NULL) DGifCloseFile(GifFileIn); - if (GifFileOut != NULL) EGifCloseFile(GifFileOut); - exit(EXIT_FAILURE); -} - -/****************************************************************************** -* Main sequence * -******************************************************************************/ -int main(int argc, char **argv) -{ - GifFileType *GifFileIn = NULL, *GifFileOut = NULL; - GifRecordType RecordType; - int CodeSize, ExtCode; - GifByteType *CodeBlock, *Extension; - - /* - * Command-line processing goes here. - */ - - /* Use the stdin as input (note this also read screen descriptor in: */ - if ((GifFileIn = DGifOpenFileHandle(0)) == NULL) - QuitGifError(GifFileIn, GifFileOut); - - /* Use the stdout as output: */ - if ((GifFileOut = EGifOpenFileHandle(1)) == NULL) - QuitGifError(GifFileIn, GifFileOut); - - /* And dump out its screen information: */ - if (EGifPutScreenDesc(GifFileOut, - GifFileIn->SWidth, GifFileIn->SHeight, - GifFileIn->SColorResolution, GifFileIn->SBackGroundColor, - GifFileIn->SColorMap) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - /* Scan the content of the input GIF file and load the image(s) in: */ - do { - if (DGifGetRecordType(GifFileIn, &RecordType) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - switch (RecordType) { - case IMAGE_DESC_RECORD_TYPE: - if (DGifGetImageDesc(GifFileIn) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - /* Put image descriptor to out file: */ - if (EGifPutImageDesc(GifFileOut, - GifFileIn->Image.Left, GifFileIn->Image.Top, - GifFileIn->Image.Width, GifFileIn->Image.Height, - GifFileIn->Image.Interlace, - GifFileIn->Image.ColorMap) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - /* Now read image itself in decoded form as we dont really */ - /* care what we have there, and this is much faster. */ - if (DGifGetCode(GifFileIn, &CodeSize, &CodeBlock) == GIF_ERROR || - EGifPutCode(GifFileOut, CodeSize, CodeBlock) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - while (CodeBlock != NULL) { - if (DGifGetCodeNext(GifFileIn, &CodeBlock) == GIF_ERROR || - EGifPutCodeNext(GifFileOut, CodeBlock) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - } - break; - case EXTENSION_RECORD_TYPE: - /* Skip any extension blocks in file: */ - if (DGifGetExtension(GifFileIn, &ExtCode, &Extension) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - if (EGifPutExtension(GifFileOut, ExtCode, Extension[0], - Extension + 1) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - /* No support to more than one extension blocks, so discard: */ - while (Extension != NULL) { - if (DGifGetExtensionNext(GifFileIn, &Extension) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - } - break; - case TERMINATE_RECORD_TYPE: - break; - default: /* Should be trapped by DGifGetRecordType */ - break; - } - } - while (RecordType != TERMINATE_RECORD_TYPE); - - if (DGifCloseFile(GifFileIn) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - if (EGifCloseFile(GifFileOut) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - return 0; -} diff --git a/giflib-4.1.6/util/giffix.c b/giflib-4.1.6/util/giffix.c deleted file mode 100644 index 37bd711..0000000 --- a/giflib-4.1.6/util/giffix.c +++ /dev/null @@ -1,220 +0,0 @@ -/***************************************************************************** -* "Gif-Lib" - Yet another gif library. * -* * -* Written by: Gershon Elber Ver 0.1, Jul. 1989 * -****************************************************************************** -* Program to attempt and fix broken GIF images. Currently fix the following: * -* 1. EOF terminates before end of image size (adds black in the end). * -* Options: * -* -q : quiet printing mode. * -* -h : on-line help * -****************************************************************************** -* History: * -* 5 May 91 - Version 1.0 by Gershon Elber. * -*****************************************************************************/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#ifdef __MSDOS__ -#include -#include -#endif /* __MSDOS__ */ - -#ifndef __MSDOS__ -#include -#endif -#include -#include -#include -#include "gif_lib.h" -#include "getarg.h" - -#define PROGRAM_NAME "GifFix" - -#ifdef __MSDOS__ -extern unsigned int - _stklen = 16384; /* Increase default stack size. */ -#endif /* __MSDOS__ */ - -#ifdef SYSV -static char *VersionStr = - "Gif toolkit module,\t\tGershon Elber\n\ - (C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = "GifFix q%- h%- GifFile!*s"; -#else -static char - *VersionStr = - PROGRAM_NAME - GIF_LIB_VERSION - " Gershon Elber, " - __DATE__ ", " __TIME__ "\n" - "(C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = - PROGRAM_NAME - " q%- h%- GifFile!*s"; -#endif /* SYSV */ - -/* Make some variables global, so we could access them faster: */ -static int - ImageNum = 0; - -static void QuitGifError(GifFileType *GifFileIn, GifFileType *GifFileOut); - -/****************************************************************************** -* Interpret the command line and scan the given GIF file. * -******************************************************************************/ -int main(int argc, char **argv) -{ - int i, j, Error, NumFiles, ExtCode, Row, Col, Width, Height, - DarkestColor = 0, ColorIntens = 10000, HelpFlag = FALSE; - GifRecordType RecordType; - GifByteType *Extension; - char **FileName = NULL; - GifRowType LineBuffer; - ColorMapObject *ColorMap; - GifFileType *GifFileIn = NULL, *GifFileOut = NULL; - - if ((Error = GAGetArgs(argc, argv, CtrlStr, &GifQuietPrint, &HelpFlag, - &NumFiles, &FileName)) != FALSE || - (NumFiles > 1 && !HelpFlag)) { - if (Error) - GAPrintErrMsg(Error); - else if (NumFiles > 1) - GIF_MESSAGE("Error in command line parsing - one GIF file please."); - GAPrintHowTo(CtrlStr); - exit(EXIT_FAILURE); - } - - if (HelpFlag) { - fprintf(stderr, VersionStr); - GAPrintHowTo(CtrlStr); - exit(EXIT_SUCCESS); - } - - if (NumFiles == 1) { - if ((GifFileIn = DGifOpenFileName(*FileName)) == NULL) - QuitGifError(GifFileIn, GifFileOut); - } - else { - /* Use the stdin instead: */ - if ((GifFileIn = DGifOpenFileHandle(0)) == NULL) - QuitGifError(GifFileIn, GifFileOut); - } - - /* Open stdout for the output file: */ - if ((GifFileOut = EGifOpenFileHandle(1)) == NULL) - QuitGifError(GifFileIn, GifFileOut); - - /* Dump out exactly same screen information: */ - if (EGifPutScreenDesc(GifFileOut, - GifFileIn->SWidth, GifFileIn->SHeight, - GifFileIn->SColorResolution, GifFileIn->SBackGroundColor, - GifFileIn->SColorMap) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - if ((LineBuffer = (GifRowType) malloc(GifFileIn->SWidth)) == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - - /* Scan the content of the GIF file and load the image(s) in: */ - do { - if (DGifGetRecordType(GifFileIn, &RecordType) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - switch (RecordType) { - case IMAGE_DESC_RECORD_TYPE: - if (DGifGetImageDesc(GifFileIn) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - if (GifFileIn->Image.Interlace) - GIF_EXIT("Cannt fix interlaced images."); - - Row = GifFileIn->Image.Top; /* Image Position relative to Screen. */ - Col = GifFileIn->Image.Left; - Width = GifFileIn->Image.Width; - Height = GifFileIn->Image.Height; - GifQprintf("\n%s: Image %d at (%d, %d) [%dx%d]: ", - PROGRAM_NAME, ++ImageNum, Col, Row, Width, Height); - - /* Put the image descriptor to out file: */ - if (EGifPutImageDesc(GifFileOut, Col, Row, Width, Height, - FALSE, GifFileIn->Image.ColorMap) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - /* Find the darkest color in color map to use as a filler. */ - ColorMap = (GifFileIn->Image.ColorMap ? GifFileIn->Image.ColorMap : - GifFileIn->SColorMap); - for (i = 0; i < ColorMap->ColorCount; i++) { - j = ((int) ColorMap->Colors[i].Red) * 30 + - ((int) ColorMap->Colors[i].Green) * 59 + - ((int) ColorMap->Colors[i].Blue) * 11; - if (j < ColorIntens) { - ColorIntens = j; - DarkestColor = i; - } - } - - /* Load the image, and dump it. */ - for (i = 0; i < Height; i++) { - GifQprintf("\b\b\b\b%-4d", i); - if (DGifGetLine(GifFileIn, LineBuffer, Width) - == GIF_ERROR) break; - if (EGifPutLine(GifFileOut, LineBuffer, Width) - == GIF_ERROR) QuitGifError(GifFileIn, GifFileOut); - } - - if (i < Height) { - fprintf(stderr, "\nFollowing error occured (and ignored):"); - PrintGifError(); - - /* Fill in with the darkest color in color map. */ - for (j = 0; j < Width; j++) - LineBuffer[j] = DarkestColor; - for (; i < Height; i++) - if (EGifPutLine(GifFileOut, LineBuffer, Width) - == GIF_ERROR) QuitGifError(GifFileIn, GifFileOut); - } - break; - case EXTENSION_RECORD_TYPE: - /* Skip any extension blocks in file: */ - if (DGifGetExtension(GifFileIn, &ExtCode, &Extension) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - if (EGifPutExtension(GifFileOut, ExtCode, Extension[0], - Extension) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - /* No support to more than one extension blocks, so discard: */ - while (Extension != NULL) { - if (DGifGetExtensionNext(GifFileIn, &Extension) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - } - break; - case TERMINATE_RECORD_TYPE: - break; - default: /* Should be traps by DGifGetRecordType. */ - break; - } - } - while (RecordType != TERMINATE_RECORD_TYPE); - - if (DGifCloseFile(GifFileIn) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - if (EGifCloseFile(GifFileOut) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - return 0; -} - -/****************************************************************************** -* Close both input and output file (if open), and exit. * -******************************************************************************/ -static void QuitGifError(GifFileType *GifFileIn, GifFileType *GifFileOut) -{ - fprintf(stderr, "\nFollowing unrecoverable error occured:"); - PrintGifError(); - if (GifFileIn != NULL) DGifCloseFile(GifFileIn); - if (GifFileOut != NULL) EGifCloseFile(GifFileOut); - exit(EXIT_FAILURE); -} diff --git a/giflib-4.1.6/util/gifflip.c b/giflib-4.1.6/util/gifflip.c deleted file mode 100644 index db0e3dc..0000000 --- a/giflib-4.1.6/util/gifflip.c +++ /dev/null @@ -1,347 +0,0 @@ -/***************************************************************************** -* "Gif-Lib" - Yet another gif library. * -* * -* Written by: Gershon Elber Ver 0.1, Jul. 1989 * -****************************************************************************** -* Program to rotate image 90 degrees to the right/left or flip the image * -* horizintally/vertically (mirror). * -* Options: * -* -q : quiet printing mode. * -* -r : rotate 90 degrees to the right (default). * -* -l : rotate 90 degrees to the left. * -* -x : Mirror the image horizontally (first line switch places with last). * -* -y : Mirror the image vertically (first column switch places with last). * -* -h : on-line help * -****************************************************************************** -* History: * -* 10 Jul 89 - Version 1.0 by Gershon Elber. * -*****************************************************************************/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#ifdef __MSDOS__ -#include -#include -#endif /* __MSDOS__ */ - -#ifndef __MSDOS__ -#include -#endif -#include -#include -#include -#include "gif_lib.h" -#include "getarg.h" - -#define PROGRAM_NAME "GifFlip" - -#define FLIP_NONE 0 -#define FLIP_RIGHT 1 -#define FLIP_LEFT 2 -#define FLIP_HORIZ 3 -#define FLIP_VERT 4 - -#ifdef __MSDOS__ -extern unsigned int - _stklen = 16384; /* Increase default stack size. */ -#endif /* __MSDOS__ */ - -#ifdef SYSV -static char *VersionStr = - "Gif toolkit module,\t\tGershon Elber\n\ - (C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = "GifFlip q%- r%- l%- x%- y%- h%- GifFile!*s"; -#else -static char - *VersionStr = - PROGRAM_NAME - GIF_LIB_VERSION - " Gershon Elber, " - __DATE__ ", " __TIME__ "\n" - "(C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = - PROGRAM_NAME - " q%- r%- l%- x%- y%- h%- GifFile!*s"; -#endif /* SYSV */ - -/* Make some variables global, so we could access them faster: */ -static int - ImageNum = 0; - -static int LoadImage(GifFileType *GifFile, GifRowType **ImageBuffer); -static int DumpImage(GifFileType *GifFile, GifRowType *ImageBuffer, - int Width, int Height, int FlipDirection); -static void QuitGifError(GifFileType *GifFileIn, GifFileType *GifFileOut); - -/****************************************************************************** -* Interpret the command line and scan the given GIF file. * -******************************************************************************/ -int main(int argc, char **argv) -{ - int i, Error, NumFiles, ExtCode, FlipDirection = FLIP_RIGHT, - RightFlag = FALSE, LeftFlag = FALSE, - HorizFlag = FALSE, VertFlag = FALSE, HelpFlag = FALSE; - GifRecordType RecordType; - GifByteType *Extension; - char **FileName = NULL; - GifRowType *ImageBuffer; - GifFileType *GifFileIn = NULL, *GifFileOut = NULL; - - if ((Error = GAGetArgs(argc, argv, CtrlStr, &GifQuietPrint, - &RightFlag, &LeftFlag, &HorizFlag, &VertFlag, &HelpFlag, - &NumFiles, &FileName)) != FALSE || - (NumFiles > 1 && !HelpFlag)) { - if (Error) - GAPrintErrMsg(Error); - else if (NumFiles > 1) - GIF_MESSAGE("Error in command line parsing - one GIF file please."); - GAPrintHowTo(CtrlStr); - exit(EXIT_FAILURE); - } - - if (HelpFlag) { - fprintf(stderr, VersionStr); - GAPrintHowTo(CtrlStr); - exit(EXIT_SUCCESS); - } - - if ((i = (RightFlag != 0) + (LeftFlag != 0) + - (HorizFlag != 0) + (VertFlag != 0)) > 1) - GIF_EXIT("Only one of -r, -l, -x, -y please."); - if (i == 0) - FlipDirection = FLIP_RIGHT; /* Make it the default. */ - else { - if (RightFlag) FlipDirection = FLIP_RIGHT; - if (LeftFlag) FlipDirection = FLIP_LEFT; - if (HorizFlag) FlipDirection = FLIP_HORIZ; - if (VertFlag) FlipDirection = FLIP_VERT; - } - - if (NumFiles == 1) { - if ((GifFileIn = DGifOpenFileName(*FileName)) == NULL) - QuitGifError(GifFileIn, GifFileOut); - } - else { - /* Use the stdin instead: */ - if ((GifFileIn = DGifOpenFileHandle(0)) == NULL) - QuitGifError(GifFileIn, GifFileOut); - } - - /* Open stdout for the output file: */ - if ((GifFileOut = EGifOpenFileHandle(1)) == NULL) - QuitGifError(GifFileIn, GifFileOut); - - if (RightFlag || LeftFlag) { - /* Dump out same screen information, but flip Screen Width/Height: */ - if (EGifPutScreenDesc(GifFileOut, - GifFileIn->SHeight, GifFileIn->SWidth, - GifFileIn->SColorResolution, GifFileIn->SBackGroundColor, - GifFileIn->SColorMap) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - } - else { - /* Dump out exactly same screen information: */ - if (EGifPutScreenDesc(GifFileOut, - GifFileIn->SWidth, GifFileIn->SHeight, - GifFileIn->SColorResolution, GifFileIn->SBackGroundColor, - GifFileIn->SColorMap) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - } - - /* Scan the content of the GIF file and load the image(s) in: */ - do { - if (DGifGetRecordType(GifFileIn, &RecordType) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - switch (RecordType) { - case IMAGE_DESC_RECORD_TYPE: - if (DGifGetImageDesc(GifFileIn) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - if (GifFileIn->Image.Interlace) - GIF_EXIT("Cannt flip interlaced images - use GifInter first."); - - /* Put the image descriptor to out file: */ - if (RightFlag) { - /* Rotate to the right: */ - if (EGifPutImageDesc(GifFileOut, - GifFileIn->SHeight - GifFileIn->Image.Height - - GifFileIn->Image.Top, - GifFileIn->Image.Left, - GifFileIn->Image.Height, GifFileIn->Image.Width, - FALSE, GifFileIn->Image.ColorMap) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - } - else if (LeftFlag) { - /* Rotate to the left: */ - if (EGifPutImageDesc(GifFileOut, - GifFileIn->Image.Top, - GifFileIn->SWidth - GifFileIn->Image.Width - - GifFileIn->Image.Left, - GifFileIn->Image.Height, GifFileIn->Image.Width, - FALSE, GifFileIn->Image.ColorMap) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - } - else { - /* No rotation - only flipping vert. or horiz.: */ - if (EGifPutImageDesc(GifFileOut, - GifFileIn->Image.Left, GifFileIn->Image.Top, - GifFileIn->Image.Width, GifFileIn->Image.Height, - FALSE, GifFileIn->Image.ColorMap) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - } - - /* Load the image (either Interlaced or not), and dump it */ - /* fliped as requrested by Flags: */ - if (LoadImage(GifFileIn, &ImageBuffer) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - if (DumpImage(GifFileOut, ImageBuffer, GifFileIn->Image.Width, - GifFileIn->Image.Height, FlipDirection) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - break; - case EXTENSION_RECORD_TYPE: - /* Skip any extension blocks in file: */ - if (DGifGetExtension(GifFileIn, &ExtCode, &Extension) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - if (EGifPutExtension(GifFileOut, ExtCode, Extension[0], - Extension) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - /* No support to more than one extension blocks, so discard: */ - while (Extension != NULL) { - if (DGifGetExtensionNext(GifFileIn, &Extension) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - } - break; - case TERMINATE_RECORD_TYPE: - break; - default: /* Should be traps by DGifGetRecordType. */ - break; - } - } - while (RecordType != TERMINATE_RECORD_TYPE); - - if (DGifCloseFile(GifFileIn) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - if (EGifCloseFile(GifFileOut) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - return 0; -} - -/****************************************************************************** -* Routine to read Image out. The image can be Non interlaced only. * -* The memory required to hold the image is allocate by the routine itself. * -* Return GIF_OK if succesful, GIF_ERROR otherwise. * -******************************************************************************/ -static int LoadImage(GifFileType *GifFile, GifRowType **ImageBufferPtr) -{ - int Size, i; - GifRowType *ImageBuffer; - - /* Allocate the image as vector of column of rows. We cannt allocate */ - /* the all screen at once, as this broken minded CPU can allocate up to */ - /* 64k at a time and our image can be bigger than that: */ - if ((ImageBuffer = (GifRowType *) - malloc(GifFile->Image.Height * sizeof(GifRowType *))) == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - - Size = GifFile->Image.Width * sizeof(GifPixelType);/* One row size in bytes.*/ - for (i = 0; i < GifFile->Image.Height; i++) { - /* Allocate the rows: */ - if ((ImageBuffer[i] = (GifRowType) malloc(Size)) == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - } - - *ImageBufferPtr = ImageBuffer; - - GifQprintf("\n%s: Image %d at (%d, %d) [%dx%d]: ", - PROGRAM_NAME, ++ImageNum, GifFile->Image.Left, GifFile->Image.Top, - GifFile->Image.Width, GifFile->Image.Height); - - for (i = 0; i < GifFile->Image.Height; i++) { - GifQprintf("\b\b\b\b%-4d", i); - if (DGifGetLine(GifFile, ImageBuffer[i], GifFile->Image.Width) - == GIF_ERROR) return GIF_ERROR; - } - - return GIF_OK; -} - -/****************************************************************************** -* Routine to dump image out. The given Image buffer should always hold the * -* image sequencially, and Width & Height hold image dimensions BEFORE flip. * -* Image will be dumped according to FlipDirection. * -* Once dumped, the memory holding the image is freed. * -* Return GIF_OK if succesful, GIF_ERROR otherwise. * -******************************************************************************/ -static int DumpImage(GifFileType *GifFile, GifRowType *ImageBuffer, - int Width, int Height, int FlipDirection) -{ - int i, j, Count; - GifRowType Line; /* New scan line is copied to it. */ - - /* Allocate scan line that will fit both image width and height: */ - if ((Line = (GifRowType) malloc((Width > Height ? Width : Height) - * sizeof(GifPixelType))) == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - - switch (FlipDirection) { - case FLIP_RIGHT: - for (Count = Width, i = 0; i < Width; i++) { - GifQprintf("\b\b\b\b%-4d", Count--); - for (j = 0; j < Height; j++) - Line[j] = ImageBuffer[Height - j - 1][i]; - if (EGifPutLine(GifFile, Line, Height) == GIF_ERROR) - return GIF_ERROR; - } - break; - case FLIP_LEFT: - for (i = Width - 1; i >= 0; i--) { - GifQprintf("\b\b\b\b%-4d", i + 1); - for (j = 0; j < Height; j++) - Line[j] = ImageBuffer[j][i]; - if (EGifPutLine(GifFile, Line, Height) == GIF_ERROR) - return GIF_ERROR; - } - break; - case FLIP_HORIZ: - for (i = Height - 1; i >= 0; i--) { - GifQprintf("\b\b\b\b%-4d", i); - if (EGifPutLine(GifFile, ImageBuffer[i], Width) == GIF_ERROR) - return GIF_ERROR; - } - break; - case FLIP_VERT: - for (Count = Height, i = 0; i < Height; i++) { - GifQprintf("\b\b\b\b%-4d", Count--); - for (j = 0; j < Width; j++) - Line[j] = ImageBuffer[i][Width - j - 1]; - if (EGifPutLine(GifFile, Line, Width) == GIF_ERROR) - return GIF_ERROR; - } - break; - } - - /* Free the memory used for this image, and the temporary scan line: */ - for (i = 0; i < Height; i++) free((char *) ImageBuffer[i]); - free((char *) ImageBuffer); - - free((char *) Line); - - return GIF_OK; -} - -/****************************************************************************** -* Close both input and output file (if open), and exit. * -******************************************************************************/ -static void QuitGifError(GifFileType *GifFileIn, GifFileType *GifFileOut) -{ - PrintGifError(); - if (GifFileIn != NULL) DGifCloseFile(GifFileIn); - if (GifFileOut != NULL) EGifCloseFile(GifFileOut); - exit(EXIT_FAILURE); -} diff --git a/giflib-4.1.6/util/gifhisto.c b/giflib-4.1.6/util/gifhisto.c deleted file mode 100644 index 32d00cd..0000000 --- a/giflib-4.1.6/util/gifhisto.c +++ /dev/null @@ -1,272 +0,0 @@ -/***************************************************************************** -* "Gif-Lib" - Yet another gif library. * -* * -* Written by: Gershon Elber Ver 0.1, Jul. 1989 * -****************************************************************************** -* Program to create histogram of the colors used by the given GIF file. * -* Dumps out GIF file of constants size GIF_WIDTH by GIF_HEIGHT. * -* Options: * -* -q : quiet printing mode. * -* -t : Dump out text instead of GIF - #Colors lines, each with #appearances. * -* -i W H : size of GIF image to generate. Colors of input GIF file are * -* spread homogeneously along Height, which better by dividable by the * -* number of colors in input image. * -* -n n : select image number to generate histogram to (1 by default). * -* -b : strip off background color count. * -* -h : on-line help * -****************************************************************************** -* History: * -* 8 Jul 89 - Version 1.0 by Gershon Elber. * -*****************************************************************************/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#ifdef __MSDOS__ -#include -#include -#endif /* __MSDOS__ */ - -#ifndef __MSDOS__ -#include -#endif -#include -#include -#include -#include "gif_lib.h" -#include "getarg.h" - -#define PROGRAM_NAME "GifHisto" - -#define DEFAULT_HISTO_WIDTH 100 /* Histogram image diemnsions. */ -#define DEFAULT_HISTO_HEIGHT 256 -#define HISTO_BITS_PER_PIXEL 2 /* Size of bitmap for histogram GIF. */ - -#ifdef __MSDOS__ -extern unsigned int - _stklen = 16384; /* Increase default stack size. */ -#endif /* __MSDOS__ */ - -#ifdef SYSV -static char *VersionStr = - "Gif toolkit module,\t\tGershon Elber\n\ - (C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = "GifHisto q%- t%- s%-Width|Height!d!d n%-ImageNumber!d b%- h%- GifFile!*s"; -#else -static char - *VersionStr = - PROGRAM_NAME - GIF_LIB_VERSION - " Gershon Elber, " - __DATE__ ", " __TIME__ "\n" - "(C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = - PROGRAM_NAME - " q%- t%- s%-Width|Height!d!d n%-ImageNumber!d b%- h%- GifFile!*s"; -#endif /* SYSV */ - -static int - ImageWidth = DEFAULT_HISTO_WIDTH, - ImageHeight = DEFAULT_HISTO_HEIGHT, - ImageN = 1; -static GifColorType - HistoColorMap[] = { /* Constant bit map for histograms: */ - { 0, 0, 0 }, - { 255, 0, 0 }, - { 0, 255, 0 }, - { 0, 0, 255 } - }; - -static void QuitGifError(GifFileType *GifFileIn, GifFileType *GifFileOut); - -/****************************************************************************** -* Interpret the command line and scan the given GIF file. * -******************************************************************************/ -int main(int argc, char **argv) -{ - int i, j, Size, Error, NumFiles, ExtCode, CodeSize, NumColors = 2, Color, - Count, ImageNum = 0, TextFlag = FALSE, SizeFlag = FALSE, - ImageNFlag = FALSE, BackGroundFlag = FALSE, HelpFlag = FALSE; - long Scaler, Histogram[256]; - GifRecordType RecordType; - GifByteType *Extension, *CodeBlock; - char **FileName = NULL; - GifRowType Line; - GifFileType *GifFileIn = NULL, *GifFileOut = NULL; - - /* Same image dimension vars for both Image & ImageN as only one allowed */ - if ((Error = GAGetArgs(argc, argv, CtrlStr, &GifQuietPrint, - &TextFlag, &SizeFlag, &ImageWidth, &ImageHeight, - &ImageNFlag, &ImageN, &BackGroundFlag, - &HelpFlag, &NumFiles, &FileName)) != FALSE || - (NumFiles > 1 && !HelpFlag)) { - if (Error) - GAPrintErrMsg(Error); - else if (NumFiles > 1) - GIF_MESSAGE("Error in command line parsing - one GIF file please."); - GAPrintHowTo(CtrlStr); - exit(EXIT_FAILURE); - } - - if (HelpFlag) { - fprintf(stderr, VersionStr); - GAPrintHowTo(CtrlStr); - exit(EXIT_SUCCESS); - } - - if (NumFiles == 1) { - if ((GifFileIn = DGifOpenFileName(*FileName)) == NULL) - QuitGifError(GifFileIn, GifFileOut); - } - else { - /* Use the stdin instead: */ - if ((GifFileIn = DGifOpenFileHandle(0)) == NULL) - QuitGifError(GifFileIn, GifFileOut); - } - - for (i = 0; i < 256; i++) Histogram[i] = 0; /* Reset counters. */ - - /* Scan the content of the GIF file and load the image(s) in: */ - do { - if (DGifGetRecordType(GifFileIn, &RecordType) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - switch (RecordType) { - case IMAGE_DESC_RECORD_TYPE: - if (DGifGetImageDesc(GifFileIn) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - if (GifFileIn->Image.ColorMap) - NumColors = GifFileIn->Image.ColorMap->ColorCount; - else if (GifFileIn->SColorMap) - NumColors = GifFileIn->SColorMap->ColorCount; - else - GIF_EXIT("Neither Screen nor Image color map exists."); - - if ((ImageHeight / NumColors) * NumColors != ImageHeight) - GIF_EXIT("Image height specified not dividable by #colors."); - - if (++ImageNum == ImageN) { - /* This is the image we should make histogram for: */ - Line = (GifRowType) malloc(GifFileIn->Image.Width * - sizeof(GifPixelType)); - GifQprintf("\n%s: Image %d at (%d, %d) [%dx%d]: ", - PROGRAM_NAME, ImageNum, - GifFileIn->Image.Left, GifFileIn->Image.Top, - GifFileIn->Image.Width, GifFileIn->Image.Height); - - for (i = 0; i < GifFileIn->Image.Height; i++) { - if (DGifGetLine(GifFileIn, Line, GifFileIn->Image.Width) - == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - for (j = 0; j < GifFileIn->Image.Width; j++) - Histogram[Line[j]]++; - GifQprintf("\b\b\b\b%-4d", i); - } - - free((char *) Line); - } - else { - /* Skip the image: */ - /* Now read image itself in decoded form as we dont */ - /* really care what is there, and this is much faster. */ - if (DGifGetCode(GifFileIn, &CodeSize, &CodeBlock) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - while (CodeBlock != NULL) - if (DGifGetCodeNext(GifFileIn, &CodeBlock) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - } - break; - case EXTENSION_RECORD_TYPE: - /* Skip any extension blocks in file: */ - if (DGifGetExtension(GifFileIn, &ExtCode, &Extension) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - while (Extension != NULL) { - if (DGifGetExtensionNext(GifFileIn, &Extension) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - } - break; - case TERMINATE_RECORD_TYPE: - break; - default: /* Should be traps by DGifGetRecordType. */ - break; - } - } - while (RecordType != TERMINATE_RECORD_TYPE); - - /* We we requested to kill back ground count: */ - if (BackGroundFlag) Histogram[GifFileIn->SBackGroundColor] = 0; - - if (DGifCloseFile(GifFileIn) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - - /* We may required to dump out the histogram as text file: */ - if (TextFlag) { - for (i = 0; i < NumColors; i++) - printf("%12ld %3d\n", Histogram[i], i); - } - else { - /* Open stdout for the histogram output file: */ - if ((GifFileOut = EGifOpenFileHandle(1)) == NULL) - QuitGifError(GifFileIn, GifFileOut); - - /* Dump out screen descriptor to fit histogram dimensions: */ - if (EGifPutScreenDesc(GifFileOut, - ImageWidth, ImageHeight, HISTO_BITS_PER_PIXEL, 0, - MakeMapObject(4, HistoColorMap)) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - /* Dump out image descriptor to fit histogram dimensions: */ - if (EGifPutImageDesc(GifFileOut, - 0, 0, ImageWidth, ImageHeight, FALSE, NULL) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - /* Prepare scan line for histogram file, and find scaler to scale */ - /* histogram to be between 0 and ImageWidth: */ - Line = (GifRowType) malloc(ImageWidth * sizeof(GifPixelType)); - for (Scaler = 0, i = 0; i < NumColors; i++) if (Histogram[i] > Scaler) - Scaler = Histogram[i]; - Scaler /= ImageWidth; - if (Scaler == 0) Scaler = 1; /* In case maximum is less than width. */ - - /* Dump out the image itself: */ - for (Count = ImageHeight, i = 0, Color = 1; i < NumColors; i++) { - if ((Size = Histogram[i] / Scaler) > ImageWidth) Size = ImageWidth; - for (j = 0; j < Size; j++) - Line[j] = Color; - for (j = Size; j < ImageWidth; j++) - Line[j] = GifFileOut->SBackGroundColor; - - /* Move to next color: */ - if (++Color >= (1 << HISTO_BITS_PER_PIXEL)) Color = 1; - - /* Dump this histogram entry as many times as required: */ - for (j = 0; j < ImageHeight / NumColors; j++) { - if (EGifPutLine(GifFileOut, Line, ImageWidth) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - GifQprintf("\b\b\b\b%-4d", Count--); - } - } - - if (EGifCloseFile(GifFileOut) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - } - - return 0; -} - -/****************************************************************************** -* Close both input and output file (if open), and exit. * -******************************************************************************/ -static void QuitGifError(GifFileType *GifFileIn, GifFileType *GifFileOut) -{ - PrintGifError(); - if (GifFileIn != NULL) DGifCloseFile(GifFileIn); - if (GifFileOut != NULL) EGifCloseFile(GifFileOut); - exit(EXIT_FAILURE); -} diff --git a/giflib-4.1.6/util/gifinfo.c b/giflib-4.1.6/util/gifinfo.c deleted file mode 100644 index 68421ed..0000000 --- a/giflib-4.1.6/util/gifinfo.c +++ /dev/null @@ -1,227 +0,0 @@ -/***************************************************************************** -* "Gifinfo" * -* * -* Written by: Martin Edlman Ver 0.1.0, Jul. 1989 * -****************************************************************************** -* Program to display information (size and comments) in GIF file. * -* uses libungif on Linux. Not tried on other systems. * -* Options: * -* -h : on-line help. * -* -f : format output string * -* \h - height * -* \w - width * -* \c - comment * -* \f - file name * -* Example: -f 'Image \f:\n Size: \wx\h\n Comment: \c\n' * -****************************************************************************** -* History: * -* 21 Jun 99 - Version 1.0 by Martin Edlman. * -*****************************************************************************/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#ifdef __MSDOS__ -#include -#include -#include -#include -#include -#endif /* __MSDOS__ */ - -#include -#include -#include -#include -#ifdef HAVE_FCNTL_H -#include -#endif /* HAVE_FCNTL_H */ -#include "gif_lib.h" -#include "getarg.h" - -#define PROGRAM_NAME "GifInfo" - -#define DEFAULTFORMAT "Size: \\wx\\h\\nComment: \\c\\n" - - -#ifdef __MSDOS__ -extern unsigned int - _stklen = 16384; /* Increase default stack size. */ -#endif /* __MSDOS__ */ - -#ifdef SYSV -static char *VersionStr = - "Gif toolkit module,\t\tMartin Edlman\n\ - (C) Copyright 1999 Martin Edlman.\n"; -static char - *CtrlStr = "GifInfo f%-Format!s h%- GifFile!*s"; -#else -static char - *VersionStr = - PROGRAM_NAME - GIF_LIB_VERSION - " Martin Edlman, " - __DATE__ ", " __TIME__ "\n" - "(C) Copyright 1999 Martin Edlman.\n"; -static char - *CtrlStr = - PROGRAM_NAME - " f%-Format!s h%- GifFile!*s"; -#endif /* SYSV */ - -/* Make some variables global, so we could access them faster: */ -static int - HelpFlag = FALSE; - -/****************************************************************************** -* Interpret the command line and scan the given GIF file. * -******************************************************************************/ -int main(int argc, char **argv) -{ - int i, Error, NumFiles, NumFormats, Size, Width=0, Height=0, ExtCode; - GifRecordType RecordType; - GifByteType *Extension; - char *Format = NULL, *Comment; - char **FileName = NULL; - GifRowType RowBuffer; - GifFileType *GifFile; - - if ((Error = GAGetArgs(argc, argv, CtrlStr, &NumFormats, &Format, - &HelpFlag, &NumFiles, &FileName)) != FALSE || - (NumFiles > 1 && !HelpFlag)) { - if (Error) - GAPrintErrMsg(Error); - else if (NumFiles > 1) - GIF_MESSAGE("Error in command line parsing - one GIF file please."); - GAPrintHowTo(CtrlStr); - exit(EXIT_FAILURE); - } - - if (Format == NULL) { - Format = malloc(strlen(DEFAULTFORMAT)+1); - strcpy(Format, DEFAULTFORMAT); - } - - if (HelpFlag) { - fprintf(stderr, VersionStr); - GAPrintHowTo(CtrlStr); - printf("Format: quoted text string used for formating of information\n"); - printf(" Special characters for various information can be used\n"); - printf(" \\f - filename of GIF file\n"); - printf(" \\c - comment\n"); - printf(" \\w - width of image\n"); - printf(" \\h - height of image\n"); - printf(" \\n - new line\n"); - printf(" \\\\ - backslash\n"); - printf("Default format will be used if not specified with -f:\n"); - printf(" %s\n\n", DEFAULTFORMAT); - exit(EXIT_SUCCESS); - } - - if (NumFiles == 1) { - if ((GifFile = DGifOpenFileName(*FileName)) == NULL) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - else { - /* Use the stdin instead: */ - -#ifdef __MSDOS__ - setmode(0, O_BINARY); -#endif /* __MSDOS__ */ - if ((GifFile = DGifOpenFileHandle(0)) == NULL) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - - Comment = (char*) malloc(1); - strcpy(Comment, "\0"); - - /* Allocate memory or one row which will be used as trash during reading - image*/ - Size = GifFile->SWidth * sizeof(GifPixelType);/* Size in bytes one row.*/ - if ((RowBuffer = (GifRowType) malloc(Size)) == NULL) /* First row. */ - GIF_EXIT("Failed to allocate memory required, aborted."); - - /* Scan the content of the GIF file and load the image(s) in: */ - do { - if (DGifGetRecordType(GifFile, &RecordType) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - switch (RecordType) { - case IMAGE_DESC_RECORD_TYPE: - if (DGifGetImageDesc(GifFile) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - Width = GifFile->Image.Width; - Height = GifFile->Image.Height; - if (GifFile->Image.Left + GifFile->Image.Width > GifFile->SWidth || - GifFile->Image.Top + GifFile->Image.Height > GifFile->SHeight) { - fprintf(stderr, "Image %d is not confined to screen dimension, aborted.\n", GifFile->ImageCount); - exit(EXIT_FAILURE); - } - /* We don't care about Interlaced as image is not interesting, read sequentialy */ - for (i = 0; i < Height; i++) { - GifQprintf("\b\b\b\b%-4d", i); - if (DGifGetLine(GifFile, &RowBuffer[0], Width) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - break; - case EXTENSION_RECORD_TYPE: - /* Skip any extension blocks in file except comments: */ - if (DGifGetExtension(GifFile, &ExtCode, &Extension) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - while (Extension != NULL) { - if(ExtCode == COMMENT_EXT_FUNC_CODE) { - Extension[Extension[0]+1] = '\000'; /* Convert gif's pascal-like string */ - Comment = (char*) realloc(Comment, strlen(Comment) + Extension[0] + 1); - strcat(Comment, (char*)Extension+1); - } - if (DGifGetExtensionNext(GifFile, &Extension) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - break; - case TERMINATE_RECORD_TYPE: - break; - default: /* Should be traps by DGifGetRecordType. */ - break; - } - } - while (RecordType != TERMINATE_RECORD_TYPE); - - while (Format[0] != '\0') { - if (Format[0] == '\\') { - Format++; - switch (Format[0]) { - case 'w': printf("%i", Width); break; - case 'h': printf("%i", Height); break; - case 'c': printf("%s", Comment); break; - case 'f': printf("%s", *FileName); break; - case 'n': printf("\n"); break; - default: printf("%c", Format[0]); break; - } - } - else { - printf("%c", Format[0]); - } - Format++; - } - - if (DGifCloseFile(GifFile) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - - return 0; -} diff --git a/giflib-4.1.6/util/gifinter.c b/giflib-4.1.6/util/gifinter.c deleted file mode 100644 index f65e9e8..0000000 --- a/giflib-4.1.6/util/gifinter.c +++ /dev/null @@ -1,277 +0,0 @@ -/***************************************************************************** -* "Gif-Lib" - Yet another gif library. * -* * -* Written by: Gershon Elber Ver 0.1, Jul. 1989 * -****************************************************************************** -* Program to flip interlaced and non interlaced images in GIF files. * -* Options: * -* -q : quiet printing mode. * -* -i : Force all images to be intelaced. * -* -s : Force all images to be sequencial (non interlaced). This is default. * -* -h : on-line help * -****************************************************************************** -* History: * -* 5 Jul 89 - Version 1.0 by Gershon Elber. * -* 21 Dec 89 - Fix problems with -i and -s flags (Version 1.1). * -*****************************************************************************/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#ifdef __MSDOS__ -#include -#include -#endif /* __MSDOS__ */ - -#ifndef __MSDOS__ -#include -#endif -#include -#include -#include -#include "gif_lib.h" -#include "getarg.h" - -#define PROGRAM_NAME "GifInter" - -#ifdef __MSDOS__ -extern unsigned int - _stklen = 16384; /* Increase default stack size. */ -#endif /* __MSDOS__ */ - -#ifdef SYSV -static char *VersionStr = - "Gif toolkit module,\t\tGershon Elber\n\ - (C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = "GifInter q%- i%- s%- h%- GifFile!*s"; -#else -static char - *VersionStr = - PROGRAM_NAME - GIF_LIB_VERSION - " Gershon Elber, " - __DATE__ ", " __TIME__ "\n" - "(C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = - PROGRAM_NAME - " q%- i%- s%- h%- GifFile!*s"; -#endif /* SYSV */ - -/* Make some variables global, so we could access them faster: */ -static int - ImageNum = 0, - SequencialFlag = FALSE, - InterlacedFlag = FALSE, - HelpFlag = FALSE, - InterlacedOffset[] = { 0, 4, 2, 1 }, /* The way Interlaced image should. */ - InterlacedJumps[] = { 8, 8, 4, 2 }; /* be read - offsets and jumps... */ - -static int LoadImage(GifFileType *GifFile, GifRowType **ImageBuffer); -static int DumpImage(GifFileType *GifFile, GifRowType *ImageBuffer); -static void QuitGifError(GifFileType *GifFileIn, GifFileType *GifFileOut); - -/****************************************************************************** -* Interpret the command line and scan the given GIF file. * -******************************************************************************/ -int main(int argc, char **argv) -{ - int Error, NumFiles, ExtCode; - GifRecordType RecordType; - GifByteType *Extension; - char **FileName = NULL; - GifRowType *ImageBuffer; - GifFileType *GifFileIn = NULL, *GifFileOut = NULL; - - if ((Error = GAGetArgs(argc, argv, CtrlStr, &GifQuietPrint, - &InterlacedFlag, &SequencialFlag, &HelpFlag, - &NumFiles, &FileName)) != FALSE || - (NumFiles > 1 && !HelpFlag)) { - if (Error) - GAPrintErrMsg(Error); - else if (NumFiles > 1) - GIF_MESSAGE("Error in command line parsing - one GIF file please."); - GAPrintHowTo(CtrlStr); - exit(EXIT_FAILURE); - } - - if (HelpFlag) { - fprintf(stderr, VersionStr); - GAPrintHowTo(CtrlStr); - exit(EXIT_SUCCESS); - } - - if (NumFiles == 1) { - if ((GifFileIn = DGifOpenFileName(*FileName)) == NULL) - QuitGifError(GifFileIn, GifFileOut); - } - else { - /* Use the stdin instead: */ - if ((GifFileIn = DGifOpenFileHandle(0)) == NULL) - QuitGifError(GifFileIn, GifFileOut); - } - - /* Open stdout for the output file: */ - if ((GifFileOut = EGifOpenFileHandle(1)) == NULL) - QuitGifError(GifFileIn, GifFileOut); - - /* And dump out exactly same screen information: */ - if (EGifPutScreenDesc(GifFileOut, - GifFileIn->SWidth, GifFileIn->SHeight, - GifFileIn->SColorResolution, GifFileIn->SBackGroundColor, - GifFileIn->SColorMap) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - /* Scan the content of the GIF file and load the image(s) in: */ - do { - if (DGifGetRecordType(GifFileIn, &RecordType) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - switch (RecordType) { - case IMAGE_DESC_RECORD_TYPE: - if (DGifGetImageDesc(GifFileIn) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - /* Put the image descriptor to out file: */ - if (EGifPutImageDesc(GifFileOut, - GifFileIn->Image.Left, GifFileIn->Image.Top, - GifFileIn->Image.Width, GifFileIn->Image.Height, - InterlacedFlag, - GifFileIn->Image.ColorMap) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - /* Load the image (either Interlaced or not), and dump it as */ - /* defined in GifFileOut->Image.Interlaced. */ - if (LoadImage(GifFileIn, &ImageBuffer) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - if (DumpImage(GifFileOut, ImageBuffer) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - break; - case EXTENSION_RECORD_TYPE: - /* Skip any extension blocks in file: */ - if (DGifGetExtension(GifFileIn, &ExtCode, &Extension) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - if (EGifPutExtension(GifFileOut, ExtCode, Extension[0], - Extension) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - /* No support to more than one extension blocks, so discard: */ - while (Extension != NULL) { - if (DGifGetExtensionNext(GifFileIn, &Extension) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - } - break; - case TERMINATE_RECORD_TYPE: - break; - default: /* Should be traps by DGifGetRecordType. */ - break; - } - } - while (RecordType != TERMINATE_RECORD_TYPE); - - if (DGifCloseFile(GifFileIn) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - if (EGifCloseFile(GifFileOut) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - return 0; -} - -/****************************************************************************** -* Routine to read Image out. The image can be Interlaced or None interlaced. * -* The memory required to hold the image is allocate by the routine itself. * -* The image is always loaded sequencially into the buffer. * -* Return GIF_OK if succesful, GIF_ERROR otherwise. * -******************************************************************************/ -static int LoadImage(GifFileType *GifFile, GifRowType **ImageBufferPtr) -{ - int Size, i, j, Count; - GifRowType *ImageBuffer; - - /* Allocate the image as vector of column of rows. We cannt allocate */ - /* the all screen at once, as this broken minded CPU can allocate up to */ - /* 64k at a time and our image can be bigger than that: */ - if ((ImageBuffer = (GifRowType *) - malloc(GifFile->Image.Height * sizeof(GifRowType *))) == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - - Size = GifFile->Image.Width * sizeof(GifPixelType);/* One row size in bytes.*/ - for (i = 0; i < GifFile->Image.Height; i++) { - /* Allocate the rows: */ - if ((ImageBuffer[i] = (GifRowType) malloc(Size)) == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - } - - *ImageBufferPtr = ImageBuffer; - - GifQprintf("\n%s: Image %d at (%d, %d) [%dx%d]: ", - PROGRAM_NAME, ++ImageNum, GifFile->Image.Left, GifFile->Image.Top, - GifFile->Image.Width, GifFile->Image.Height); - if (GifFile->Image.Interlace) { - /* Need to perform 4 passes on the images: */ - for (Count = i = 0; i < 4; i++) - for (j = InterlacedOffset[i]; j < GifFile->Image.Height; - j += InterlacedJumps[i]) { - GifQprintf("\b\b\b\b%-4d", Count++); - if (DGifGetLine(GifFile, ImageBuffer[j], GifFile->Image.Width) - == GIF_ERROR) return GIF_ERROR; - } - } - else { - for (i = 0; i < GifFile->Image.Height; i++) { - GifQprintf("\b\b\b\b%-4d", i); - if (DGifGetLine(GifFile, ImageBuffer[i], GifFile->Image.Width) - == GIF_ERROR) return GIF_ERROR; - } - } - - return GIF_OK; -} - -/****************************************************************************** -* Routine to dump image out. The given Image buffer should always hold the * -* image sequencially. Image will be dumped according to IInterlaced flag in * -* GifFile structure. Once dumped, the memory holding the image is freed. * -* Return GIF_OK if succesful, GIF_ERROR otherwise. * -******************************************************************************/ -static int DumpImage(GifFileType *GifFile, GifRowType *ImageBuffer) -{ - int i, j, Count; - - if (GifFile->Image.Interlace) { - /* Need to perform 4 passes on the images: */ - for (Count = GifFile->Image.Height, i = 0; i < 4; i++) - for (j = InterlacedOffset[i]; j < GifFile->Image.Height; - j += InterlacedJumps[i]) { - GifQprintf("\b\b\b\b%-4d", Count--); - if (EGifPutLine(GifFile, ImageBuffer[j], GifFile->Image.Width) - == GIF_ERROR) return GIF_ERROR; - } - } - else { - for (Count = GifFile->Image.Height, i = 0; i < GifFile->Image.Height; i++) { - GifQprintf("\b\b\b\b%-4d", Count--); - if (EGifPutLine(GifFile, ImageBuffer[i], GifFile->Image.Width) - == GIF_ERROR) return GIF_ERROR; - } - } - - /* Free the m emory used for this image: */ - for (i = 0; i < GifFile->Image.Height; i++) free((char *) ImageBuffer[i]); - free((char *) ImageBuffer); - - return GIF_OK; -} - -/****************************************************************************** -* Close both input and output file (if open), and exit. * -******************************************************************************/ -static void QuitGifError(GifFileType *GifFileIn, GifFileType *GifFileOut) -{ - PrintGifError(); - if (GifFileIn != NULL) DGifCloseFile(GifFileIn); - if (GifFileOut != NULL) EGifCloseFile(GifFileOut); - exit(EXIT_FAILURE); -} diff --git a/giflib-4.1.6/util/gifinto.c b/giflib-4.1.6/util/gifinto.c deleted file mode 100644 index 993047c..0000000 --- a/giflib-4.1.6/util/gifinto.c +++ /dev/null @@ -1,185 +0,0 @@ -/***************************************************************************** -* "Gif-Lib" - Yet another gif library. * -* * -* Written by: Gershon Elber Ver 0.1, Jul. 1989 * -****************************************************************************** -* Program to read stdin, and save it into the specified file iff the result * -* and inspired by the rle utah tool kit I decided to implement and add it. * -* -q : quiet printing mode. * -* -s minsize : the minimum file size to keep it. * -* -h : on-line help. * -****************************************************************************** -* History: * -* 7 Jul 89 - Version 1.0 by Gershon Elber. * -* 22 Dec 89 - Fix problem with tmpnam (Version 1.1). * -*****************************************************************************/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#ifdef __MSDOS__ -#include -#include -#endif /* __MSDOS__ */ - -#ifdef HAVE_UNISTD_H -#include -#endif -#ifdef HAVE_FCNTL_H -#include -#endif - -#include -#include -#include -#include -#include "gif_lib.h" -#include "getarg.h" - -#define PROGRAM_NAME "GifInto" - -#define DEFAULT_MIN_FILE_SIZE 14 /* More than GIF stamp + screen desc. */ -#define DEFAULT_OUT_NAME "GifInto.Gif" -#define DEFAULT_TMP_NAME "TempInto.$$$" - -#ifdef __MSDOS__ -extern unsigned int - _stklen = 16384; /* Increase default stack size. */ -#endif /* __MSDOS__ */ - -#ifdef SYSV -static char *VersionStr = - "Gif toolkit module,\t\tGershon Elber\n\ - (C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = "GifInto q%- s%-MinFileSize!d h%- GifFile!*s"; -#else -static char - *VersionStr = - PROGRAM_NAME - GIF_LIB_VERSION - " Gershon Elber, " - __DATE__ ", " __TIME__ "\n" - "(C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = - PROGRAM_NAME - " q%- s%-MinFileSize!d h%- GifFile!*s"; -#endif /* SYSV */ - -static int - MinFileSize = DEFAULT_MIN_FILE_SIZE; - -/****************************************************************************** -* The is simply: read until EOF, then close the output, test its length, and * -* if non zero then rename it. * -******************************************************************************/ -int main(int argc, char **argv) -{ - int Error, NumFiles, - MinSizeFlag = FALSE, HelpFlag = FALSE; - char **FileName = NULL, - TmpName[80], FoutTmpName[80], FullPath[80], DefaultName[80], s[80], *p; - FILE *Fin, *Fout; - - if ((Error = GAGetArgs(argc, argv, CtrlStr, &GifQuietPrint, - &MinSizeFlag, &MinFileSize, &HelpFlag, - &NumFiles, &FileName)) != FALSE || - (NumFiles > 1 && !HelpFlag)) { - if (Error) - GAPrintErrMsg(Error); - else if (NumFiles != 1) - GIF_MESSAGE("Error in command line parsing - one GIF file please."); - GAPrintHowTo(CtrlStr); - exit(EXIT_FAILURE); - } - - if (HelpFlag) { - fprintf(stderr, VersionStr); - GAPrintHowTo(CtrlStr); - exit(EXIT_SUCCESS); - } - - /* Open the stdin in binary mode and increase its buffer size: */ -#ifdef __MSDOS__ - setmode(0, O_BINARY); /* Make sure it is in binary mode. */ -#endif - - Fin = fdopen(0, "rb"); /* Make it into a stream: */ - - if (Fin == NULL) - { - GIF_EXIT("Failed to open input."); - } - -#ifdef __MSDOS__ - if (setvbuf(Fin, NULL, _IOFBF, GIF_FILE_BUFFER_SIZE)) /* Incr. stream buf.*/ - { - GIF_EXIT("Failed to open input."); - } -#endif - - /* Isolate the directory where our destination is, and set tmp file name */ - /* in the very same directory. */ - strcpy(FullPath, *FileName); - if ((p = strrchr(FullPath, '/')) != NULL || - (p = strrchr(FullPath, '\\')) != NULL) - p[1] = 0; - else if ((p = strrchr(FullPath, ':')) != NULL) - p[1] = 0; - else - FullPath[0] = 0; /* No directory or disk specified. */ - - strcpy(FoutTmpName, FullPath); /* Generate destination temporary name. */ - /* Make sure the temporary is made in the current directory: */ - p = tmpnam(TmpName); - if (strrchr(p, '/')) p = strrchr(p, '/') + 1; - if (strrchr(p, '\\')) p = strrchr(p, '\\') + 1; - if (strlen(p) == 0) p = DEFAULT_TMP_NAME; - strcat(FoutTmpName, p); - - Fout = fopen(FoutTmpName, "wb"); - if (Fout == NULL) - { - GIF_EXIT("Failed to open output."); - } - -#ifdef __MSDOS__ - if (setvbuf(Fout, NULL, _IOFBF, GIF_FILE_BUFFER_SIZE)) /*Incr. stream buf.*/ - { - GIF_EXIT("Failed to open output."); - } -#endif /* __MSDOS__ */ - - while (!feof(Fin)) { - if (putc(getc(Fin), Fout) == EOF) - GIF_EXIT("Failed to write output."); - } - - fclose(Fin); - if (ftell(Fout) >= (long) MinFileSize) { - fclose(Fout); - unlink(*FileName); - if (rename(FoutTmpName, *FileName) != 0) { - strcpy(DefaultName, FullPath); - strcat(DefaultName, DEFAULT_OUT_NAME); - if (rename(FoutTmpName, DefaultName) == 0) { - sprintf(s, "Failed to rename out file - left as %s.", - DefaultName); - GIF_MESSAGE(s); - } - else { - unlink(FoutTmpName); - GIF_MESSAGE("Failed to rename out file - deleted."); - } - } - } - else { - fclose(Fout); - unlink(FoutTmpName); - GIF_MESSAGE("File too small - not renamed."); - } - - return 0; -} diff --git a/giflib-4.1.6/util/gifovly.c b/giflib-4.1.6/util/gifovly.c deleted file mode 100644 index 22c63d3..0000000 --- a/giflib-4.1.6/util/gifovly.c +++ /dev/null @@ -1,127 +0,0 @@ -/***************************************************************************** -* "Gif-Lib" - Yet another gif library. * -* * -* Written by: Gershon Elber Ver 0.1, Jul. 1989 * -****************************************************************************** -* Takes a multi-image gif and yields the overlay of all the images * -****************************************************************************** -* History: * -* 6 May 94 - Version 1.0 by Eric Raymond. * -*****************************************************************************/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#ifdef __MSDOS__ -#include -#include -#include -#include -#endif /* __MSDOS__ */ - -#include -#include -#include -#ifdef HAVE_FCNTL_H -#include -#endif /* HAVE_FCNTL_H */ -#include "getarg.h" -#include "gif_lib.h" - -#define PROGRAM_NAME "gifovly" - -#ifdef __MSDOS__ -extern unsigned int - _stklen = 16384; /* Increase default stack size. */ -#endif /* __MSDOS__ */ - -#ifdef SYSV -static char *VersionStr = - "Gif compiler,\t\tEric S. Raymond\n\ - (C) Copyright 1992 Eric S. Raymond, all rights reserved.\n"; -static char - *CtrlStr = "GifOvly t%-TransparentColor!d h%-"; -#else -static char - *VersionStr = - PROGRAM_NAME - GIF_LIB_VERSION - " Eric Raymond, " - __DATE__ ", " __TIME__ "\n" - "(C) Copyright 1992 Eric Raymond.\n"; -static char - *CtrlStr = - PROGRAM_NAME - " t%-TransparentColor!d h%-"; -#endif /* SYSV */ - -int main(int argc, char **argv) -{ - int k; - GifFileType *GifFileIn, *GifFileOut = (GifFileType *)NULL; - SavedImage *bp; - int Error, TransparentColorFlag = FALSE, TransparentColor = 0, - HelpFlag = FALSE; - - if ((Error = GAGetArgs(argc, argv, CtrlStr, - &TransparentColorFlag, &TransparentColor, - &HelpFlag)) != FALSE) { - GAPrintErrMsg(Error); - GAPrintHowTo(CtrlStr); - exit(EXIT_FAILURE); - } - - if (HelpFlag) { - fprintf(stderr, VersionStr); - GAPrintHowTo(CtrlStr); - exit(EXIT_SUCCESS); - } - - if ((GifFileIn = DGifOpenFileHandle(0)) == NULL - || DGifSlurp(GifFileIn) == GIF_ERROR - || ((GifFileOut = EGifOpenFileHandle(1)) == (GifFileType *)NULL)) - { - PrintGifError(); - exit(EXIT_FAILURE); - } - - GifFileOut->SWidth = GifFileIn->SWidth; - GifFileOut->SHeight = GifFileIn->SHeight; - GifFileOut->SColorResolution = GifFileIn->SColorResolution; - GifFileOut->SBackGroundColor = GifFileIn->SBackGroundColor; - GifFileOut->SColorMap = MakeMapObject( - GifFileIn->SColorMap->ColorCount, - GifFileIn->SColorMap->Colors); - - - /* The output file will have exactly one image */ - MakeSavedImage(GifFileOut, &GifFileIn->SavedImages[0]); - bp = &GifFileOut->SavedImages[0]; - for (k = 1; k < GifFileIn->ImageCount; k++) - { - register int i, j; - register unsigned char *sp, *tp; - - SavedImage *ovp = &GifFileIn->SavedImages[k]; - - for (i = 0; i < ovp->ImageDesc.Height; i++) - { - tp = bp->RasterBits + (ovp->ImageDesc.Top + i) * bp->ImageDesc.Width + ovp->ImageDesc.Left; - sp = ovp->RasterBits + i * ovp->ImageDesc.Width; - - for (j = 0; j < ovp->ImageDesc.Width; j++) - if (!TransparentColorFlag || sp[j] != TransparentColor) - tp[j] = sp[j]; - } - } - - if (EGifSpew(GifFileOut) == GIF_ERROR) - PrintGifError(); - else if (DGifCloseFile(GifFileIn) == GIF_ERROR) - PrintGifError(); - - return 0; -} - -/* gifovly.c ends here */ diff --git a/giflib-4.1.6/util/gifpos.c b/giflib-4.1.6/util/gifpos.c deleted file mode 100644 index e7b3e07..0000000 --- a/giflib-4.1.6/util/gifpos.c +++ /dev/null @@ -1,208 +0,0 @@ -/***************************************************************************** -* "Gif-Lib" - Yet another gif library. * -* * -* Written by: Gershon Elber Ver 0.1, Jul. 1989 * -****************************************************************************** -* Program to reposition GIF file, by changing screen size and/or image(s) * -* position. Neither image(s) not colormap(s) are changed by any mean. * -* Options: * -* -q : quiet printing mode. * -* -s w h : set new screen size - width & height. * -* -i t l : set new image position - top & left (for first image). * -* -n n w h : set new image position - top & left (for image number n). * -* -h : on-line help. * -****************************************************************************** -* History: * -* 6 Jul 89 - Version 1.0 by Gershon Elber. * -*****************************************************************************/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#ifdef __MSDOS__ -#include -#endif /* __MSDOS__ */ - -#include -#include -#include -#include -#include "gif_lib.h" -#include "getarg.h" - -#define PROGRAM_NAME "GifPos" - -#ifdef __MSDOS__ -extern unsigned int - _stklen = 16384; /* Increase default stack size. */ -#endif /* __MSDOS__ */ - -#ifdef SYSV -static char *VersionStr = - "Gif toolkit module,\t\tGershon Elber\n\ - (C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = "GifPos q%- s%-Width|Height!d!d i%-Left|Top!d!d n%-n|Left|Top!d!d!d h%- GifFile!*s"; -#else -static char - *VersionStr = - PROGRAM_NAME - GIF_LIB_VERSION - " Gershon Elber, " - __DATE__ ", " __TIME__ "\n" - "(C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = - PROGRAM_NAME - " q%- s%-Width|Height!d!d i%-Left|Top!d!d n%-n|Left|Top!d!d!d h%- GifFile!*s"; -#endif /* SYSV */ - -static void QuitGifError(GifFileType *GifFileIn, GifFileType *GifFileOut); - -/****************************************************************************** -* Interpret the command line and scan the given GIF file. * -******************************************************************************/ -int main(int argc, char **argv) -{ - int Error, NumFiles, ExtCode, CodeSize, ImageNum = 0, - ScreenFlag = FALSE, ScreenWidth, ScreenHeight, - ImageFlag = FALSE, ImageLeft, ImageTop, - ImageNFlag = FALSE, ImageN, ImageNLeft, ImageNTop, - HelpFlag = FALSE; - GifRecordType RecordType; - GifByteType *Extension, *CodeBlock; - char **FileName = NULL; - GifFileType *GifFileIn = NULL, *GifFileOut = NULL; - - if ((Error = GAGetArgs(argc, argv, CtrlStr, &GifQuietPrint, - &ScreenFlag, &ScreenWidth, &ScreenHeight, - &ImageFlag, &ImageLeft, &ImageTop, - &ImageNFlag, &ImageN, &ImageNLeft, &ImageNTop, - &HelpFlag, &NumFiles, &FileName)) != FALSE || - (NumFiles > 1 && !HelpFlag)) { - if (Error) - GAPrintErrMsg(Error); - else if (NumFiles > 1) - GIF_MESSAGE("Error in command line parsing - one GIF file please."); - GAPrintHowTo(CtrlStr); - exit(EXIT_FAILURE); - } - - if (HelpFlag) { - fprintf(stderr, VersionStr); - GAPrintHowTo(CtrlStr); - exit(EXIT_SUCCESS); - } - - if (NumFiles == 1) { - if ((GifFileIn = DGifOpenFileName(*FileName)) == NULL) - QuitGifError(GifFileIn, GifFileOut); - } - else { - /* Use the stdin instead: */ - if ((GifFileIn = DGifOpenFileHandle(0)) == NULL) - QuitGifError(GifFileIn, GifFileOut); - } - - /* Open stdout for the output file: */ - if ((GifFileOut = EGifOpenFileHandle(1)) == NULL) - QuitGifError(GifFileIn, GifFileOut); - - /* And dump out its new possible repositioned screen information: */ - if (EGifPutScreenDesc(GifFileOut, - ScreenFlag ? ScreenWidth : GifFileIn->SWidth, - ScreenFlag ? ScreenHeight : GifFileIn->SHeight, - GifFileIn->SColorResolution, GifFileIn->SBackGroundColor, - GifFileIn->SColorMap) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - /* Scan the content of the GIF file and load the image(s) in: */ - do { - if (DGifGetRecordType(GifFileIn, &RecordType) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - switch (RecordType) { - case IMAGE_DESC_RECORD_TYPE: - if (DGifGetImageDesc(GifFileIn) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - /* Put possibly repositioned image descriptor to out file: */ - if (++ImageNum == 1 && ImageFlag) { - /* First image should be repositioned: */ - if (EGifPutImageDesc(GifFileOut, - ImageLeft, ImageTop, - GifFileIn->Image.Width, GifFileIn->Image.Height, - GifFileIn->Image.Interlace, - GifFileIn->Image.ColorMap) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - } - else if (ImageNum == ImageN && ImageNFlag) { - /* Image N should be repositioned: */ - if (EGifPutImageDesc(GifFileOut, - ImageNLeft, ImageNTop, - GifFileIn->Image.Width, GifFileIn->Image.Height, - GifFileIn->Image.Interlace, - GifFileIn->Image.ColorMap) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - } - else { - /* No repositioning for this image: */ - if (EGifPutImageDesc(GifFileOut, - GifFileIn->Image.Left, GifFileIn->Image.Top, - GifFileIn->Image.Width, GifFileIn->Image.Height, - GifFileIn->Image.Interlace, - GifFileIn->Image.ColorMap) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - } - - /* Now read image itself in decoded form as we dont really */ - /* care what we have there, and this is much faster. */ - if (DGifGetCode(GifFileIn, &CodeSize, &CodeBlock) == GIF_ERROR || - EGifPutCode(GifFileOut, CodeSize, CodeBlock) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - while (CodeBlock != NULL) { - if (DGifGetCodeNext(GifFileIn, &CodeBlock) == GIF_ERROR || - EGifPutCodeNext(GifFileOut, CodeBlock) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - } - break; - case EXTENSION_RECORD_TYPE: - /* Skip any extension blocks in file: */ - if (DGifGetExtension(GifFileIn, &ExtCode, &Extension) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - if (EGifPutExtension(GifFileOut, ExtCode, Extension[0], - Extension) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - /* No support to more than one extension blocks, so discard: */ - while (Extension != NULL) { - if (DGifGetExtensionNext(GifFileIn, &Extension) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - } - break; - case TERMINATE_RECORD_TYPE: - break; - default: /* Should be traps by DGifGetRecordType. */ - break; - } - } - while (RecordType != TERMINATE_RECORD_TYPE); - - if (DGifCloseFile(GifFileIn) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - if (EGifCloseFile(GifFileOut) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - return 0; -} - -/****************************************************************************** -* Close both input and output file (if open), and exit. * -******************************************************************************/ -static void QuitGifError(GifFileType *GifFileIn, GifFileType *GifFileOut) -{ - PrintGifError(); - if (GifFileIn != NULL) DGifCloseFile(GifFileIn); - if (GifFileOut != NULL) EGifCloseFile(GifFileOut); - exit(EXIT_FAILURE); -} diff --git a/giflib-4.1.6/util/gifrotat.c b/giflib-4.1.6/util/gifrotat.c deleted file mode 100644 index 6343cf1..0000000 --- a/giflib-4.1.6/util/gifrotat.c +++ /dev/null @@ -1,330 +0,0 @@ -/***************************************************************************** -* "Gif-Lib" - Yet another gif library. * -* * -* Written by: Gershon Elber Ver 0.1, Aug. 1991 * -****************************************************************************** -* Program to rotate a GIF image by an arbitrary angle. * -* Options: * -* -q : quiet printing mode. * -* -a Angle : angle to rotate with respect to the X axis. * -* -s Width Height : specifies size of output image. * -* -h : on-line help. * -****************************************************************************** -* History: * -* 2 Aug 91 - Version 1.0 by Gershon Elber. * -*****************************************************************************/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#ifdef __MSDOS__ -#include -#include -#include -#include -#include -#include -#endif /* __MSDOS__ */ - -#ifndef __MSDOS__ -#include -#endif -#include -#include -#include -#include -#ifdef HAVE_FCNTL_H -#include -#endif /* HAVE_FCNTL_H */ -#include "gif_lib.h" -#include "getarg.h" - -#ifndef M_PI -#define M_PI 3.14159265358979323846 -#endif /* M_PI */ - -#define PROGRAM_NAME "GifRotat" - -#ifdef __MSDOS__ -extern unsigned int - _stklen = 16384; /* Increase default stack size. */ -#endif /* __MSDOS__ */ - -#ifdef SYSV -static char *VersionStr = - "Gif toolkit module,\t\tGershon Elber\n\ - (C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = "GifRotat a!-Angle!d q%- s%-Width|Height!d!d h%- GifFile!*s"; -#else -static char - *VersionStr = - PROGRAM_NAME - GIF_LIB_VERSION - " Gershon Elber, " - __DATE__ ", " __TIME__ "\n" - "(C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = - PROGRAM_NAME - " a!-Angle!d q%- s%-Width|Height!d!d h%- GifFile!*s"; -#endif /* SYSV */ - -static int - InterlacedOffset[] = { 0, 4, 2, 1 }, /* The way Interlaced image should. */ - InterlacedJumps[] = { 8, 8, 4, 2 }; /* be read - offsets and jumps... */ - -static void RotateGifImage(GifRowType *ScreenBuffer, GifFileType *SrcGifFile, - int Angle, ColorMapObject *ColorMap, - int DstWidth, int DstHeight); -static void RotateGifLine(GifRowType *ScreenBuffer, int BackGroundColor, - int SrcWidth, int SrcHeight, - int Angle, GifRowType DstLine, - int DstWidth, int DstHeight, int y); -static void QuitGifError(GifFileType *DstGifFile); - -/****************************************************************************** -* Interpret the command line and scan the given GIF file. * -******************************************************************************/ -int main(int argc, char **argv) -{ - int i, j, Size, Error, NumFiles, Col, Row, Count, ExtCode, - DstWidth, DstHeight, Width, Height, - ImageNum = 0, - DstSizeFlag = FALSE, - AngleFlag = FALSE, - Angle = 0, - HelpFlag = FALSE; - char **FileName = NULL; - GifRecordType RecordType; - GifByteType *Extension; - GifFileType *GifFile; - GifRowType *ScreenBuffer; - ColorMapObject *ColorMap = NULL; - - if ((Error = GAGetArgs(argc, argv, CtrlStr, - &AngleFlag, &Angle, &GifQuietPrint, - &DstSizeFlag, &DstWidth, &DstHeight, &HelpFlag, - &NumFiles, &FileName)) != FALSE || - (NumFiles > 1 && !HelpFlag)) { - if (Error) - GAPrintErrMsg(Error); - else if (NumFiles > 1) - GIF_MESSAGE("Error in command line parsing - one GIF file please."); - GAPrintHowTo(CtrlStr); - exit(EXIT_FAILURE); - } - - if (HelpFlag) { - fprintf(stderr, VersionStr); - GAPrintHowTo(CtrlStr); - exit(EXIT_SUCCESS); - } - - if (NumFiles == 1) { - if ((GifFile = DGifOpenFileName(*FileName)) == NULL) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - else { - /* Use the stdin instead: */ - -#ifdef __MSDOS__ - setmode(0, O_BINARY); -#endif /* __MSDOS__ */ - if ((GifFile = DGifOpenFileHandle(0)) == NULL) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - - /* Allocate the screen as vector of column of rows. We cannt allocate */ - /* the all screen at once, as this broken minded CPU can allocate up to */ - /* 64k at a time and our image can be bigger than that: */ - /* Note this screen is device independent - its the screen as defined by */ - /* the GIF file parameters itself. */ - if ((ScreenBuffer = (GifRowType *) - malloc(GifFile->SHeight * sizeof(GifRowType *))) == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - - Size = GifFile->SWidth * sizeof(GifPixelType);/* Size in bytes one row.*/ - if ((ScreenBuffer[0] = (GifRowType) malloc(Size)) == NULL) /* First row. */ - GIF_EXIT("Failed to allocate memory required, aborted."); - - for (i = 0; i < GifFile->SWidth; i++) /* Set its color to BackGround. */ - ScreenBuffer[0][i] = GifFile->SBackGroundColor; - for (i = 1; i < GifFile->SHeight; i++) { - /* Allocate the other rows, and set their color to background too: */ - if ((ScreenBuffer[i] = (GifRowType) malloc(Size)) == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - - memcpy(ScreenBuffer[i], ScreenBuffer[0], Size); - } - - /* Scan the content of the GIF file and load the image(s) in: */ - do { - if (DGifGetRecordType(GifFile, &RecordType) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - switch (RecordType) { - case IMAGE_DESC_RECORD_TYPE: - if (DGifGetImageDesc(GifFile) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - Row = GifFile->Image.Top; /* Image Position relative to Screen. */ - Col = GifFile->Image.Left; - Width = GifFile->Image.Width; - Height = GifFile->Image.Height; - GifQprintf("\n%s: Image %d at (%d, %d) [%dx%d]: ", - PROGRAM_NAME, ++ImageNum, Col, Row, Width, Height); - if (GifFile->Image.Left + GifFile->Image.Width > GifFile->SWidth || - GifFile->Image.Top + GifFile->Image.Height > GifFile->SHeight) { - fprintf(stderr, "Image %d is not confined to screen dimension, aborted.\n",ImageNum); - exit(EXIT_FAILURE); - } - if (GifFile->Image.Interlace) { - /* Need to perform 4 passes on the images: */ - for (Count = i = 0; i < 4; i++) - for (j = Row + InterlacedOffset[i]; j < Row + Height; - j += InterlacedJumps[i]) { - GifQprintf("\b\b\b\b%-4d", Count++); - if (DGifGetLine(GifFile, &ScreenBuffer[j][Col], - Width) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - } - else { - for (i = 0; i < Height; i++) { - GifQprintf("\b\b\b\b%-4d", i); - if (DGifGetLine(GifFile, &ScreenBuffer[Row++][Col], - Width) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - } - break; - case EXTENSION_RECORD_TYPE: - /* Skip any extension blocks in file: */ - if (DGifGetExtension(GifFile, &ExtCode, &Extension) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - while (Extension != NULL) { - if (DGifGetExtensionNext(GifFile, &Extension) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - break; - case TERMINATE_RECORD_TYPE: - break; - default: /* Should be traps by DGifGetRecordType. */ - break; - } - } - while (RecordType != TERMINATE_RECORD_TYPE); - - ColorMap = (GifFile->Image.ColorMap ? GifFile->Image.ColorMap : - GifFile->SColorMap); - - if (!DstSizeFlag) { - DstWidth = GifFile->SWidth; - DstHeight = GifFile->SHeight; - } - - /* Perform the actual rotation and dump the image: */ - RotateGifImage(ScreenBuffer, GifFile, Angle, ColorMap, - DstWidth, DstHeight); - - return 0; -} - -/****************************************************************************** -* Save the GIF resulting image. * -******************************************************************************/ -static void RotateGifImage(GifRowType *ScreenBuffer, GifFileType *SrcGifFile, - int Angle, ColorMapObject *ColorMap, - int DstWidth, int DstHeight) -{ - int i, - LineSize = DstWidth * sizeof(GifPixelType); - GifFileType *DstGifFile; - GifRowType LineBuffer; - - if ((LineBuffer = (GifRowType) malloc(LineSize)) == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - - /* Open stdout for the output file: */ - if ((DstGifFile = EGifOpenFileHandle(1)) == NULL) - QuitGifError(DstGifFile); - - if (EGifPutScreenDesc(DstGifFile, DstWidth, DstHeight, - ColorMap->BitsPerPixel, 0, ColorMap) == GIF_ERROR || - EGifPutImageDesc(DstGifFile, 0, 0, DstWidth, DstHeight, - FALSE, NULL) == GIF_ERROR) - QuitGifError(DstGifFile); - - for (i = 0; i < DstHeight; i++) { - RotateGifLine(ScreenBuffer, SrcGifFile->SBackGroundColor, - SrcGifFile->SWidth, SrcGifFile->SHeight, - Angle, LineBuffer, DstWidth, DstHeight, i); - if (EGifPutLine(DstGifFile, LineBuffer, DstWidth) == GIF_ERROR) - QuitGifError(DstGifFile); - GifQprintf("\b\b\b\b%-4d", DstHeight - i - 1); - } - - if (EGifCloseFile(DstGifFile) == GIF_ERROR) - QuitGifError(DstGifFile); -} - - -/****************************************************************************** -* Save the GIF resulting image. * -******************************************************************************/ -static void RotateGifLine(GifRowType *ScreenBuffer, int BackGroundColor, - int SrcWidth, int SrcHeight, - int Angle, GifRowType DstLine, - int DstWidth, int DstHeight, int y) -{ - int x, - TransSrcX = SrcWidth / 2, - TransSrcY = SrcHeight / 2, - TransDstX = DstWidth / 2, - TransDstY = DstHeight / 2; - double SinAngle = sin(Angle * M_PI / 180.0), - CosAngle = cos(Angle * M_PI / 180.0); - - for (x = 0; x < DstWidth; x++) - { - int xc = x - TransDstX, - yc = y - TransDstY, - SrcX = xc * CosAngle - yc * SinAngle + TransSrcX, - SrcY = xc * SinAngle + yc * CosAngle + TransSrcY; - - if (SrcX < 0 || SrcX >= SrcWidth || - SrcY < 0 || SrcY >= SrcHeight) - { - /* Out of the source image domain - set it to background color. */ - *DstLine++ = BackGroundColor; - } - else - *DstLine++ = ScreenBuffer[SrcY][SrcX]; - } -} - -/****************************************************************************** -* Close output file (if open), and exit. * -******************************************************************************/ -static void QuitGifError(GifFileType *DstGifFile) -{ - PrintGifError(); - if (DstGifFile != NULL) EGifCloseFile(DstGifFile); - exit(EXIT_FAILURE); -} diff --git a/giflib-4.1.6/util/gifrsize.c b/giflib-4.1.6/util/gifrsize.c deleted file mode 100644 index 69ca6e0..0000000 --- a/giflib-4.1.6/util/gifrsize.c +++ /dev/null @@ -1,315 +0,0 @@ -/***************************************************************************** -* "Gif-Lib" - Yet another gif library. * -* * -* Written by: Gershon Elber Ver 0.1, Jul. 1989 * -****************************************************************************** -* Program to resize GIF by given factors horizontally and vertically. * -* Options: * -* -q : quiet printing mode. * -* -S x y : scale into size as specified by x and y. * -* -s r : resize both x & y direction by factor r. * -* -x r : resize the x direction (horizontally) by factor r. * -* -y r : resize the y direction (vertically) by factor r. * -* -h : on-line help. * -****************************************************************************** -* History: * -* 4 Jul 89 - Version 1.0 by Gershon Elber. * -* 22 Dec 89 - Fix minor bag in discarding last line of input (Version 1.1). * -* 3 Aug 91 - make it scale by an arbitrary size value. * -*****************************************************************************/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#ifdef __MSDOS__ -#include -#include -#endif /* __MSDOS__ */ - -#ifndef __MSDOS__ -#include -#endif -#include -#include -#include -#include "gif_lib.h" -#include "getarg.h" - -#define PROGRAM_NAME "GifRSize" - -#define MAX_SCALE 16.0 /* Maximum scaling factor. */ - -#ifdef __MSDOS__ -extern unsigned int - _stklen = 16384; /* Increase default stack size. */ -#endif /* __MSDOS__ */ - -#ifdef SYSV -static char *VersionStr = - "Gif toolkit module,\t\tGershon Elber\n\ - (C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = "GifRSize q%- S%-X|Y!d!d s%-Scale!F x%-XScale!F y%-YScale!F h%- GifFile!*s"; -#else -static char - *VersionStr = - PROGRAM_NAME - GIF_LIB_VERSION - " Gershon Elber, " - __DATE__ ", " __TIME__ "\n" - "(C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = - PROGRAM_NAME - " q%- S%-X|Y!d!d s%-Scale!F x%-XScale!F y%-YScale!F h%- GifFile!*s"; -#endif /* SYSV */ - -/* Make some variables global, so we could access them faster: */ -static GifPixelType - BackGroundColor = 0; -static double - XScale = 0.5, - YScale = 0.5; -static int - XSize = 0, - YSize = 0; - -static void ResizeLine(GifRowType LineIn, GifRowType LineOut, - int InLineLen, int OutLineLen); -static void QuitGifError(GifFileType *GifFileIn, GifFileType *GifFileOut); - -/****************************************************************************** -* Interpret the command line and scan the given GIF file. * -******************************************************************************/ -int main(int argc, char **argv) -{ - int i, iy, last_iy, l, t, w, h, Error, NumFiles, ExtCode, - ImageNum = 0, - SizeFlag = FALSE, - ScaleFlag = FALSE, - XScaleFlag = FALSE, - YScaleFlag = FALSE, - HelpFlag = FALSE; - double Scale, y; - GifRecordType RecordType; - char s[80]; - GifByteType *Extension; - GifRowType LineIn, LineOut; - char **FileName = NULL; - GifFileType *GifFileIn = NULL, *GifFileOut = NULL; - - if ((Error = GAGetArgs(argc, argv, CtrlStr, - &GifQuietPrint, &SizeFlag, &XSize, &YSize, &ScaleFlag, &Scale, - &XScaleFlag, &XScale, &YScaleFlag, &YScale, - &HelpFlag, &NumFiles, &FileName)) != FALSE || - (NumFiles > 1 && !HelpFlag)) { - if (Error) - GAPrintErrMsg(Error); - else if (NumFiles > 1) - GIF_MESSAGE("Error in command line parsing - one GIF file please."); - GAPrintHowTo(CtrlStr); - exit(EXIT_FAILURE); - } - - if (HelpFlag) { - fprintf(stderr, VersionStr); - GAPrintHowTo(CtrlStr); - exit(EXIT_SUCCESS); - } - - /* If specific direction was set, set other direction to 1: */ - if (!XScaleFlag && YScaleFlag) XScale = 1.0; - if (!YScaleFlag && XScaleFlag) YScale = 1.0; - - /* If the specific direction was not set, but global one did use it: */ - if (!XScaleFlag && ScaleFlag) XScale = Scale; - if (!YScaleFlag && ScaleFlag) YScale = Scale; - - if (XScale > MAX_SCALE) { - sprintf(s, "XScale too big, maximum scale selected instead (%f).", - MAX_SCALE); - GIF_MESSAGE(s); - XScale = MAX_SCALE; - } - if (YScale > MAX_SCALE) { - sprintf(s, "YScale too big, maximum scale selected instead (%f).", - MAX_SCALE); - GIF_MESSAGE(s); - YScale = MAX_SCALE; - } - - if (NumFiles == 1) { - if ((GifFileIn = DGifOpenFileName(*FileName)) == NULL) - QuitGifError(GifFileIn, GifFileOut); - } - else { - /* Use the stdin instead: */ - if ((GifFileIn = DGifOpenFileHandle(0)) == NULL) - QuitGifError(GifFileIn, GifFileOut); - } - BackGroundColor = GifFileIn->SBackGroundColor; - - /* If size was specified, it is used to derive the scale: */ - if (SizeFlag) { - XScale = XSize / ((double) GifFileIn->SWidth); - YScale = YSize / ((double) GifFileIn->SHeight); - } - else - { - XSize = (int) (GifFileIn->SWidth * XScale + 0.5); - YSize = (int) (GifFileIn->SHeight * YScale + 0.5); - } - - /* As at this time we know the Screen size of the input gif file, and as */ - /* all image(s) in file must be less/equal to it, we can allocate the */ - /* scan lines for the input file, and output file. The number of lines */ - /* to allocate for each is set by ScaleDown & XScale & YScale: */ - LineOut = (GifRowType) malloc(XSize * sizeof(GifPixelType)); - LineIn = (GifRowType) malloc(GifFileIn->SWidth * sizeof(GifPixelType)); - - /* Open stdout for the output file: */ - if ((GifFileOut = EGifOpenFileHandle(1)) == NULL) - QuitGifError(GifFileIn, GifFileOut); - - /* And dump out its new scaled screen information: */ - if (EGifPutScreenDesc(GifFileOut, XSize, YSize, - GifFileIn->SColorResolution, GifFileIn->SBackGroundColor, - GifFileIn->SColorMap) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - /* Scan the content of the GIF file and load the image(s) in: */ - do { - if (DGifGetRecordType(GifFileIn, &RecordType) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - switch (RecordType) { - case IMAGE_DESC_RECORD_TYPE: - if (DGifGetImageDesc(GifFileIn) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - /* Put the image descriptor to out file: */ - l = (int) (GifFileIn->Image.Left * XScale + 0.5); - w = (int) (GifFileIn->Image.Width * XScale + 0.5); - t = (int) (GifFileIn->Image.Top * YScale + 0.5); - h = (int) (GifFileIn->Image.Height * YScale + 0.5); - if (l < 0) l = 0; - if (t < 0) t = 0; - if (l + w > XSize) w = XSize - l; - if (t + h > YSize) h = YSize - t; - - if (EGifPutImageDesc(GifFileOut, l, t, w, h, - GifFileIn->Image.Interlace, - GifFileIn->Image.ColorMap) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - if (GifFileIn->Image.Interlace) { - GIF_EXIT("Cannt resize interlaced images - use GifInter first."); - } - else { - GifQprintf("\n%s: Image %d at (%d, %d) [%dx%d]: ", - PROGRAM_NAME, ++ImageNum, - GifFileOut->Image.Left, GifFileOut->Image.Top, - GifFileOut->Image.Width, GifFileOut->Image.Height); - - for (i = GifFileIn->Image.Height, y = 0.0, last_iy = -1; - i-- > 0; - y += YScale) { - if (DGifGetLine(GifFileIn, LineIn, - GifFileIn->Image.Width) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - iy = (int) y; - if (last_iy < iy && last_iy < YSize) { - ResizeLine(LineIn, LineOut, - GifFileIn->Image.Width, GifFileOut->Image.Width); - - for (; - last_iy < iy && last_iy < GifFileOut->Image.Height - 1; - last_iy++) { - GifQprintf("\b\b\b\b%-4d", last_iy + 1); - if (EGifPutLine(GifFileOut, LineOut, - GifFileOut->Image.Width) == - GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - } - } - } - - /* If scale is not dividable - dump last lines: */ - while (++last_iy < GifFileOut->Image.Height) { - GifQprintf("\b\b\b\b%-4d", last_iy); - if (EGifPutLine(GifFileOut, LineOut, - GifFileOut->Image.Width) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - } - } - break; - case EXTENSION_RECORD_TYPE: - /* Skip any extension blocks in file: */ - if (DGifGetExtension(GifFileIn, &ExtCode, &Extension) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - if (EGifPutExtension(GifFileOut, ExtCode, Extension[0], - Extension) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - /* No support to more than one extension blocks, so discard: */ - while (Extension != NULL) { - if (DGifGetExtensionNext(GifFileIn, &Extension) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - } - break; - case TERMINATE_RECORD_TYPE: - break; - default: /* Should be traps by DGifGetRecordType. */ - break; - } - } - while (RecordType != TERMINATE_RECORD_TYPE); - - if (DGifCloseFile(GifFileIn) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - if (EGifCloseFile(GifFileOut) == GIF_ERROR) - QuitGifError(GifFileIn, GifFileOut); - - free(LineOut); - free(LineIn); - - return 0; -} - -/****************************************************************************** -* Line resizing routine - scale given lines as follows: * -* Scale (by pixel duplication/elimination) from InLineLen to OutLineLen. * -******************************************************************************/ -static void ResizeLine(GifRowType LineIn, GifRowType LineOut, - int InLineLen, int OutLineLen) -{ - int i, ix, last_ix; - double x; - - OutLineLen--; - - for (i = InLineLen, x = 0.0, last_ix = -1; - i-- > 0; - x += XScale, LineIn++) - { - ix = (int) x; - for (; last_ix < ix && last_ix < OutLineLen; last_ix++) - *LineOut++ = *LineIn; - } - - /* Make sure the line is complete. */ - for (LineIn--; last_ix < OutLineLen; last_ix++) - *LineOut++ = *LineIn; -} - -/****************************************************************************** -* Close both input and output file (if open), and exit. * -******************************************************************************/ -static void QuitGifError(GifFileType *GifFileIn, GifFileType *GifFileOut) -{ - PrintGifError(); - if (GifFileIn != NULL) DGifCloseFile(GifFileIn); - if (GifFileOut != NULL) EGifCloseFile(GifFileOut); - exit(EXIT_FAILURE); -} diff --git a/giflib-4.1.6/util/gifspnge.c b/giflib-4.1.6/util/gifspnge.c deleted file mode 100644 index 0d30444..0000000 --- a/giflib-4.1.6/util/gifspnge.c +++ /dev/null @@ -1,91 +0,0 @@ -/* - * Skeleton file for generic GIF `sponge' program --- slurp a GIF into core, - * operate on it, spew it out again. Most of the junk above `int main' isn't - * needed for the skeleton, but is likely to be for what you'll do with it. - * - * If you compile this, it will turn into an expensive GIF copying routine; - * stdin to stdout with no changes and minimal validation. Well, it's a - * decent test of DGifSlurp() and EGifSpew(), anyway. - * - * Note: due to the vicissitudes of Lempel-Ziv compression, the output of this - * copier may not be bitwise identical to its input. This can happen if you - * copy an image from a much more (or much *less*) memory-limited system; your - * compression may use more (or fewer) bits. The uncompressed rasters should, - * however, be identical (you can check this with icon2gif -d). - * - * Eric S. Raymond - * esr@snark.thyrsus.com - */ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#ifdef __MSDOS__ -#include -#include -#include -#include -#endif /* __MSDOS__ */ - -#include -#include -#include -#ifdef HAVE_FCNTL_H -#include -#endif /* HAVE_FCNTL_H */ -#include "getarg.h" -#include "gif_lib.h" - -#define PROGRAM_NAME "gifspnge" - -#ifdef __MSDOS__ -extern unsigned int - _stklen = 16384; /* Increase default stack size. */ -#endif /* __MSDOS__ */ - -int main(int argc, char **argv) -{ - int i; - GifFileType *GifFileIn, *GifFileOut = (GifFileType *)NULL; - - if ((GifFileIn = DGifOpenFileHandle(0)) == NULL - || DGifSlurp(GifFileIn) == GIF_ERROR - || ((GifFileOut = EGifOpenFileHandle(1)) == (GifFileType *)NULL)) - { - PrintGifError(); - exit(EXIT_FAILURE); - } - - /* - * Your operations on in-core structures go here. - * This code just copies the header and each image from the incoming file. - */ - GifFileOut->SWidth = GifFileIn->SWidth; - GifFileOut->SHeight = GifFileIn->SHeight; - GifFileOut->SColorResolution = GifFileIn->SColorResolution; - GifFileOut->SBackGroundColor = GifFileIn->SBackGroundColor; - GifFileOut->SColorMap = MakeMapObject( - GifFileIn->SColorMap->ColorCount, - GifFileIn->SColorMap->Colors); - - for (i = 0; i < GifFileIn->ImageCount; i++) - (void) MakeSavedImage(GifFileOut, &GifFileIn->SavedImages[i]); - - /* - * Note: don't do DGifCloseFile early, as this will - * deallocate all the memory containing the GIF data! - * - * Further note: EGifSpew() doesn't try to validity-check any of this - * data; it's *your* responsibility to keep your changes consistent. - * Caveat hacker! - */ - if (EGifSpew(GifFileOut) == GIF_ERROR) - PrintGifError(); - else if (DGifCloseFile(GifFileIn) == GIF_ERROR) - PrintGifError(); - - return 0; -} - -/* gifspnge.c ends here */ diff --git a/giflib-4.1.6/util/giftext.c b/giflib-4.1.6/util/giftext.c deleted file mode 100644 index 07afff1..0000000 --- a/giflib-4.1.6/util/giftext.c +++ /dev/null @@ -1,486 +0,0 @@ -/***************************************************************************** -* "Gif-Lib" - Yet another gif library. * -* * -* Written by: Gershon Elber Ver 0.1, Jun. 1989 * -****************************************************************************** -* Program to dump GIF file content as TEXT information * -* Options: * -* -q : quiet printing mode. * -* -c : include the color maps as well. * -* -e : include encoded information packed as bytes as well. * -* -z : include encoded information (12bits) codes as result from the zl alg. * -* -p : dump pixel information instead of encoded information. * -* -r : same as -p but dump one pixel as one byte in binary form with no * -* other information. This will create a file of size Width by Height. * -* -h : on-line help. * -****************************************************************************** -* History: * -* 28 Jun 89 - Version 1.0 by Gershon Elber. * -* 21 Dec 89 - Fix segmentation fault problem in PrintCodeBlock (Version 1.1) * -* 25 Dec 89 - Add the -r flag for raw output. * -*****************************************************************************/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#ifdef __MSDOS__ -#include -#include -#include -#include -#endif /* __MSDOS__ */ - -#ifndef __MSDOS__ -#include -#endif -#include -#include -#include -#include "gif_lib.h" -#include "getarg.h" - -#define PROGRAM_NAME "GifText" - -#define MAKE_PRINTABLE(c) (isprint(c) ? (c) : ' ') - -#ifdef __MSDOS__ -extern unsigned int - _stklen = 16384; /* Increase default stack size. */ -#endif /* __MSDOS__ */ - -#ifdef SYSV -static char *VersionStr = - "Gif toolkit module,\t\tGershon Elber\n\ - (C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = "GifText q%- c%- e%- z%- p%- r%- h%- GifFile!*s"; -#else -static char - *VersionStr = - PROGRAM_NAME - GIF_LIB_VERSION - " Gershon Elber, " - __DATE__ ", " __TIME__ "\n" - "(C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = - PROGRAM_NAME - " q%- c%- e%- z%- p%- r%- h%- GifFile!*s"; -#endif /* SYSV */ - -static void PrintCodeBlock(GifFileType *GifFile, GifByteType *CodeBlock, int Reset); -static void PrintPixelBlock(GifByteType *PixelBlock, int Len, int Reset); -static void PrintExtBlock(GifByteType *Extension, int Reset); -static void PrintLZCodes(GifFileType *GifFile); - -/****************************************************************************** -* Interpret the command line and scan the given GIF file. * -******************************************************************************/ -int main(int argc, char **argv) -{ - int i, j, ExtCode, CodeSize, Error, NumFiles, Len, - ColorMapFlag = FALSE, EncodedFlag = FALSE, LZCodesFlag = FALSE, - PixelFlag = FALSE, HelpFlag = FALSE, RawFlag = FALSE, ImageNum = 1; - char *GifFileName, **FileName = NULL; - GifPixelType *Line; - GifRecordType RecordType; - GifByteType *CodeBlock, *Extension; - GifFileType *GifFile; - - if ((Error = GAGetArgs(argc, argv, CtrlStr, - &GifQuietPrint, &ColorMapFlag, &EncodedFlag, - &LZCodesFlag, &PixelFlag, &RawFlag, &HelpFlag, - &NumFiles, &FileName)) != FALSE || - (NumFiles > 1 && !HelpFlag)) { - if (Error) - GAPrintErrMsg(Error); - else if (NumFiles > 1) - GIF_MESSAGE("Error in command line parsing - one GIF file please."); - GAPrintHowTo(CtrlStr); - exit(EXIT_FAILURE); - } - - if (HelpFlag) { - fprintf(stderr, VersionStr); - GAPrintHowTo(CtrlStr); - exit(EXIT_SUCCESS); - } - - if (NumFiles == 1) { - GifFileName = *FileName; - if ((GifFile = DGifOpenFileName(*FileName)) == NULL) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - else { - /* Use the stdin instead: */ - GifFileName = "Stdin"; - if ((GifFile = DGifOpenFileHandle(0)) == NULL) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - - /* Because we write binary data - make sure no text will be written. */ - if (RawFlag) { - ColorMapFlag = EncodedFlag = LZCodesFlag = PixelFlag = FALSE; -#ifdef __MSDOS__ - setmode(1, O_BINARY); /* Make sure it is in binary mode. */ -#endif /* __MSDOS__ */ - } - else { - printf("\n%s:\n\n\tScreen Size - Width = %d, Height = %d.\n", - GifFileName, GifFile->SWidth, GifFile->SHeight); - printf("\tColorResolution = %d, BitsPerPixel = %d, BackGround = %d.\n", - GifFile->SColorResolution, - GifFile->SColorMap ? GifFile->SColorMap->BitsPerPixel : 0, - GifFile->SBackGroundColor); - if (GifFile->SColorMap) - printf("\tHas Global Color Map.\n\n"); - else - printf("\tNo Global Color Map.\n\n"); - if (ColorMapFlag && GifFile->SColorMap) { - printf("\tGlobal Color Map:\n"); - Len = GifFile->SColorMap->ColorCount; - for (i = 0; i < Len; i+=4) { - for (j = 0; j < 4 && j < Len; j++) { - printf("%3d: %02xh %02xh %02xh ", i + j, - GifFile->SColorMap->Colors[i + j].Red, - GifFile->SColorMap->Colors[i + j].Green, - GifFile->SColorMap->Colors[i + j].Blue); - } - printf("\n"); - } - } - } - - do { - if (DGifGetRecordType(GifFile, &RecordType) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - switch (RecordType) { - case IMAGE_DESC_RECORD_TYPE: - if (DGifGetImageDesc(GifFile) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - if (!RawFlag) { - printf("\nImage #%d:\n\n\tImage Size - Left = %d, Top = %d, Width = %d, Height = %d.\n", - ImageNum++, GifFile->Image.Left, GifFile->Image.Top, - GifFile->Image.Width, GifFile->Image.Height); - printf("\tImage is %s", - GifFile->Image.Interlace ? "Interlaced" : - "Non Interlaced"); - if (GifFile->Image.ColorMap != NULL) - printf(", BitsPerPixel = %d.\n", - GifFile->Image.ColorMap->BitsPerPixel); - else - printf(".\n"); - if (GifFile->Image.ColorMap) - printf("\tImage Has Color Map.\n"); - else - printf("\tNo Image Color Map.\n"); - if (ColorMapFlag && GifFile->Image.ColorMap) { - Len = 1 << GifFile->Image.ColorMap->BitsPerPixel; - for (i = 0; i < Len; i+=4) { - for (j = 0; j < 4 && j < Len; j++) { - printf("%3d: %02xh %02xh %02xh ", i + j, - GifFile->Image.ColorMap->Colors[i + j].Red, - GifFile->Image.ColorMap->Colors[i + j].Green, - GifFile->Image.ColorMap->Colors[i + j].Blue); - } - printf("\n"); - } - } - } - - if (EncodedFlag) { - if (DGifGetCode(GifFile, &CodeSize, &CodeBlock) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - printf("\nImage LZ compressed Codes (Code Size = %d):\n", - CodeSize); - PrintCodeBlock(GifFile, CodeBlock, TRUE); - while (CodeBlock != NULL) { - if (DGifGetCodeNext(GifFile, &CodeBlock) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - PrintCodeBlock(GifFile, CodeBlock, FALSE); - } - } - else if (LZCodesFlag) { - PrintLZCodes(GifFile); - } - else if (PixelFlag) { - Line = (GifPixelType *) malloc(GifFile->Image.Width * - sizeof(GifPixelType)); - for (i = 0; i < GifFile->Image.Height; i++) { - if (DGifGetLine(GifFile, Line, GifFile->Image.Width) - == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - PrintPixelBlock(Line, GifFile->Image.Width, i == 0); - } - PrintPixelBlock(NULL, GifFile->Image.Width, FALSE); - free((char *) Line); - } - else if (RawFlag) { - Line = (GifPixelType *) malloc(GifFile->Image.Width * - sizeof(GifPixelType)); - for (i = 0; i < GifFile->Image.Height; i++) { - if (DGifGetLine(GifFile, Line, GifFile->Image.Width) - == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - fwrite(Line, 1, GifFile->Image.Width, stdout); - } - free((char *) Line); - } - else { - /* Skip the image: */ - if (DGifGetCode(GifFile, &CodeSize, &CodeBlock) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - while (CodeBlock != NULL) { - if (DGifGetCodeNext(GifFile, &CodeBlock) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - - } - break; - case EXTENSION_RECORD_TYPE: - if (DGifGetExtension(GifFile, &ExtCode, &Extension) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - if (!RawFlag) { - putchar('\n'); - switch (ExtCode) - { - case COMMENT_EXT_FUNC_CODE: - printf("GIF89 comment"); - break; - case GRAPHICS_EXT_FUNC_CODE: - printf("GIF89 graphics control"); - break; - case PLAINTEXT_EXT_FUNC_CODE: - printf("GIF89 plaintext"); - break; - case APPLICATION_EXT_FUNC_CODE: - printf("GIF89 application block"); - break; - default: - printf("Extension record of unknown type"); - break; - } - printf(" (Ext Code = %d [%c]):\n", - ExtCode, MAKE_PRINTABLE(ExtCode)); - PrintExtBlock(Extension, TRUE); - } - for (;;) { - if (DGifGetExtensionNext(GifFile, &Extension) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - if (Extension == NULL) - break; - PrintExtBlock(Extension, FALSE); - } - break; - case TERMINATE_RECORD_TYPE: - break; - default: /* Should be traps by DGifGetRecordType */ - break; - } - } - while (RecordType != TERMINATE_RECORD_TYPE); - - if (DGifCloseFile(GifFile) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - - if (!RawFlag) printf("\nGif file terminated normally.\n"); - - return 0; -} - -/****************************************************************************** -* Print the given CodeBlock - a string in pascal notation (size in first * -* place). Save local information so printing can be performed continuously, * -* or reset to start state if Reset. If CodeBlock is NULL, output is flushed * -******************************************************************************/ -static void PrintCodeBlock(GifFileType *GifFile, GifByteType *CodeBlock, int Reset) -{ - static int CrntPlace = 0, Print = TRUE; - static long CodeCount = 0; - int i, Percent, Len; - long NumBytes; - - if (Reset || CodeBlock == NULL) { - if (CodeBlock == NULL) { - if (CrntPlace > 0) { - if (Print) printf("\n"); - CodeCount += CrntPlace - 16; - } - if (GifFile->Image.ColorMap) - NumBytes = ((((long) GifFile->Image.Width) * GifFile->Image.Height) - * GifFile->Image.ColorMap->BitsPerPixel) / 8; - else - NumBytes = ((((long) GifFile->Image.Width) * GifFile->Image.Height) - * GifFile->SColorMap->BitsPerPixel) / 8; - Percent = 100 * CodeCount / NumBytes; - printf("\nCompression ratio: %ld/%ld (%d%%).\n", - CodeCount, NumBytes, Percent); - return; - } - CrntPlace = 0; - CodeCount = 0; - Print = TRUE; - } - - Len = CodeBlock[0]; - for (i = 1; i <= Len; i++) { - if (CrntPlace == 0) { - if (Print) printf("\n%05lxh: ", CodeCount); - CodeCount += 16; - } -#ifdef __MSDOS__ - if (kbhit() && ((c = getch()) == 'q' || c == 'Q')) Print = FALSE; -#endif /* __MSDOS__ */ - if (Print) printf(" %02xh", CodeBlock[i]); - if (++CrntPlace >= 16) CrntPlace = 0; - } -} - -/****************************************************************************** -* Print the given Extension - a string in pascal notation (size in first * -* place). Save local information so printing can be performed continuously, * -* or reset to start state if Reset. If Extension is NULL, output is flushed * -******************************************************************************/ -static void PrintExtBlock(GifByteType *Extension, int Reset) -{ - static int CrntPlace = 0, Print = TRUE; - static long ExtCount = 0; - static char HexForm[49], AsciiForm[17]; - int i, Len; - - if (Reset || Extension == NULL) { - if (Extension == NULL) { - if (CrntPlace > 0) { - HexForm[CrntPlace * 3] = 0; - AsciiForm[CrntPlace] = 0; - if (Print) printf("\n%05lx: %-49s %-17s\n", - ExtCount, HexForm, AsciiForm); - return; - } - else if (Print) - printf("\n"); - } - CrntPlace = 0; - ExtCount = 0; - Print = TRUE; - } - - if (!Print) return; - - Len = Extension[0]; - for (i = 1; i <= Len; i++) { - sprintf(&HexForm[CrntPlace * 3], " %02x", Extension[i]); - sprintf(&AsciiForm[CrntPlace], "%c", MAKE_PRINTABLE(Extension[i])); -#ifdef __MSDOS__ - if (kbhit() && ((c = getch()) == 'q' || c == 'Q')) Print = FALSE; -#endif /* __MSDOS__ */ - if (++CrntPlace == 16) { - HexForm[CrntPlace * 3] = 0; - AsciiForm[CrntPlace] = 0; - if (Print) printf("\n%05lx: %-49s %-17s", - ExtCount, HexForm, AsciiForm); - ExtCount += 16; - CrntPlace = 0; - } - } -} - -/****************************************************************************** -* Print the given PixelBlock of length Len. * -* Save local information so printing can be performed continuously, * -* or reset to start state if Reset. If PixelBlock is NULL, output is flushed * -******************************************************************************/ -static void PrintPixelBlock(GifByteType *PixelBlock, int Len, int Reset) -{ - static int CrntPlace = 0, Print = TRUE; - static long ExtCount = 0; - static char HexForm[49], AsciiForm[17]; - int i; - - if (Reset || PixelBlock == NULL) { - if (PixelBlock == NULL) { - if (CrntPlace > 0) { - HexForm[CrntPlace * 3] = 0; - AsciiForm[CrntPlace] = 0; - if (Print) printf("\n%05lx: %-49s %-17s\n", - ExtCount, HexForm, AsciiForm); - } - else if (Print) - printf("\n"); - } - CrntPlace = 0; - ExtCount = 0; - Print = TRUE; - if (PixelBlock == NULL) return; - } - - if (!Print) return; - - for (i = 0; i < Len; i++) { - sprintf(&HexForm[CrntPlace * 3], " %02x", PixelBlock[i]); - sprintf(&AsciiForm[CrntPlace], "%c", MAKE_PRINTABLE(PixelBlock[i])); -#ifdef __MSDOS__ - if (kbhit() && ((c = getch()) == 'q' || c == 'Q')) Print = FALSE; -#endif /* __MSDOS__ */ - if (++CrntPlace == 16) { - HexForm[CrntPlace * 3] = 0; - AsciiForm[CrntPlace] = 0; - if (Print) printf("\n%05lx: %-49s %-17s", - ExtCount, HexForm, AsciiForm); - ExtCount += 16; - CrntPlace = 0; - } - } -} - -/****************************************************************************** -* Print the image as LZ codes (each 12bits), until EOF marker is reached. * -******************************************************************************/ -static void PrintLZCodes(GifFileType *GifFile) -{ - int Code, Print = TRUE, CrntPlace = 0; - long CodeCount = 0; - - do { - if (Print && CrntPlace == 0) printf("\n%05lx:", CodeCount); - if (DGifGetLZCodes(GifFile, &Code) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - if (Print && Code >= 0) - printf(" %03x", Code); /* EOF Code is returned as -1. */ - CodeCount++; - if (++CrntPlace >= 16) CrntPlace = 0; -#ifdef __MSDOS__ - if (kbhit() && ((c = getch()) == 'q' || c == 'Q')) Print = FALSE; -#endif /* __MSDOS__ */ - } - while (Code >= 0); -} diff --git a/giflib-4.1.6/util/gifwedge.c b/giflib-4.1.6/util/gifwedge.c deleted file mode 100644 index c42c5fe..0000000 --- a/giflib-4.1.6/util/gifwedge.c +++ /dev/null @@ -1,176 +0,0 @@ -/***************************************************************************** -* "Gif-Lib" - Yet another gif library. * -* * -* Written by: Gershon Elber Ver 0.1, Jul. 1989 * -****************************************************************************** -* Program to create a test image of White and Red/Green/Blue levels for * -* test purposes. The Primary (RGB) and Secondary (YCM) are also displayed. * -* background. * -* Options: * -* -q : quiet printing mode. * -* -s Width Height : set image size. * -* -l levels : number of color levels. * -* -h : on-line help. * -****************************************************************************** -* History: * -* 4 Jan 90 - Version 1.0 by Gershon Elber. * -*****************************************************************************/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#ifdef __MSDOS__ -#include -#include -#endif /* __MSDOS__ */ - -#ifndef __MSDOS__ -#include -#endif -#include -#include -#include -#include "gif_lib.h" -#include "getarg.h" - -#define PROGRAM_NAME "GifWedge" - -#define DEFAULT_WIDTH 640 -#define DEFAULT_HEIGHT 350 - -#define DEFAULT_NUM_LEVELS 16 /* Number of colors to gen the image. */ - -#ifdef __MSDOS__ -extern unsigned int - _stklen = 16384; /* Increase default stack size. */ -#endif /* __MSDOS__ */ - -#ifdef SYSV -static char *VersionStr = - "Gif toolkit module,\t\tGershon Elber\n\ - (C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = "GifWedge q%- l%-#Lvls!d s%-Width|Height!d!d h%-"; -#else -static char - *VersionStr = - PROGRAM_NAME - GIF_LIB_VERSION - " Gershon Elber, " - __DATE__ ", " __TIME__ "\n" - "(C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = - PROGRAM_NAME - " q%- l%-#Lvls!d s%-Width|Height!d!d h%-"; -#endif /* SYSV */ - -static int - NumLevels = DEFAULT_NUM_LEVELS, - ImageWidth = DEFAULT_WIDTH, - ImageHeight = DEFAULT_HEIGHT; - -static void QuitGifError(GifFileType *GifFile); - -/****************************************************************************** -* Interpret the command line and scan the given GIF file. * -******************************************************************************/ -int main(int argc, char **argv) -{ - int i, j, l, c, Error, LevelStep, LogNumLevels, - Count = 0, LevelsFlag = FALSE, SizeFlag = FALSE, HelpFlag = FALSE; - GifRowType Line; - ColorMapObject *ColorMap; - GifFileType *GifFile; - - if ((Error = GAGetArgs(argc, argv, CtrlStr, - &GifQuietPrint, &LevelsFlag, &NumLevels, - &SizeFlag, &ImageWidth, &ImageHeight, - &HelpFlag)) != FALSE) { - GAPrintErrMsg(Error); - GAPrintHowTo(CtrlStr); - exit(EXIT_FAILURE); - } - - if (HelpFlag) { - fprintf(stderr, VersionStr); - GAPrintHowTo(CtrlStr); - exit(EXIT_SUCCESS); - } - - /* Make sure the number of levels is power of 2 (up to 32 levels.). */ - for (i = 1; i < 6; i++) if (NumLevels == (1 << i)) break; - if (i == 6) GIF_EXIT("#Lvls (-l option) is not power of 2 up to 32."); - LogNumLevels = i + 3; /* Multiple by 8 (see below). */ - LevelStep = 256 / NumLevels; - - /* Make sure the image dimension is a multiple of NumLevels horizontally */ - /* and 7 (White, Red, Green, Blue and Yellow Cyan Magenta) vertically. */ - ImageWidth = (ImageWidth / NumLevels) * NumLevels; - ImageHeight = (ImageHeight / 7) * 7; - - /* Open stdout for the output file: */ - if ((GifFile = EGifOpenFileHandle(1)) == NULL) - QuitGifError(GifFile); - - /* Dump out screen description with given size and generated color map: */ - /* The color map has 7 NumLevels colors for White, Red, Green and then */ - /* The secondary colors Yellow Cyan and magenta. */ - if ((ColorMap = MakeMapObject(8 * NumLevels, NULL)) == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - - for (i = 0; i < 8; i++) /* Set color map. */ - for (j = 0; j < NumLevels; j++) { - l = LevelStep * j; - c = i * NumLevels + j; - ColorMap->Colors[c].Red = (i == 0 || i == 1 || i == 4 || i == 6) * l; - ColorMap->Colors[c].Green = (i == 0 || i == 2 || i == 4 || i == 5) * l; - ColorMap->Colors[c].Blue = (i == 0 || i == 3 || i == 5 || i == 6) * l; - } - - if (EGifPutScreenDesc(GifFile, - ImageWidth, ImageHeight, LogNumLevels, 0, ColorMap) - == GIF_ERROR) - QuitGifError(GifFile); - - /* Dump out the image descriptor: */ - if (EGifPutImageDesc(GifFile, - 0, 0, ImageWidth, ImageHeight, FALSE, NULL) == GIF_ERROR) - QuitGifError(GifFile); - - GifQprintf("\n%s: Image 1 at (%d, %d) [%dx%d]: ", - PROGRAM_NAME, GifFile->Image.Left, GifFile->Image.Top, - GifFile->Image.Width, GifFile->Image.Height); - - /* Allocate one scan line to be used for all image. */ - if ((Line = (GifRowType) malloc(sizeof(GifPixelType) * ImageWidth)) == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - - /* Dump the pixels: */ - for (c = 0; c < 7; c++) { - for (i = 0, l = 0; i < NumLevels; i++) - for (j = 0; j < ImageWidth / NumLevels; j++) - Line[l++] = i + NumLevels * c; - for (i = 0; i < ImageHeight / 7; i++) { - if (EGifPutLine(GifFile, Line, ImageWidth) == GIF_ERROR) - QuitGifError(GifFile); - GifQprintf("\b\b\b\b%-4d", Count++); - } - } - - if (EGifCloseFile(GifFile) == GIF_ERROR) - QuitGifError(GifFile); - - return 0; -} - -/****************************************************************************** -* Close output file (if open), and exit. * -******************************************************************************/ -static void QuitGifError(GifFileType *GifFile) -{ - PrintGifError(); - if (GifFile != NULL) DGifCloseFile(GifFile); - exit(EXIT_FAILURE); -} diff --git a/giflib-4.1.6/util/icon2gif.c b/giflib-4.1.6/util/icon2gif.c deleted file mode 100644 index e98e14f..0000000 --- a/giflib-4.1.6/util/icon2gif.c +++ /dev/null @@ -1,770 +0,0 @@ -/***************************************************************************** -* "Gif-Lib" - Yet another gif library. * -* * -* Written by: Gershon Elber Ver 0.1, Jun. 1989 * -****************************************************************************** -* Module to convert an editable text representation into a GIF file. * -****************************************************************************** -* History: * -* 15 Sep 92 - Version 1.0 by Eric Raymond. * -*****************************************************************************/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#ifdef __MSDOS__ -#include -#include -#include -#include -#include -#endif /* __MSDOS__ */ - -#ifndef __MSDOS__ -#include -#endif -#include -#include -#include -#include "gif_lib.h" -#include "getarg.h" - -#define PROGRAM_NAME "icon2gif" - -#ifdef __MSDOS__ -extern unsigned int - _stklen = 16384; /* Increase default stack size. */ -#endif /* __MSDOS__ */ - -#ifdef SYSV -static char *VersionStr = - "Gif compiler,\t\tEric S. Raymond\n\ - (C) Copyright 1992 Eric S. Raymond, all rights reserved.\n"; -static char - *CtrlStr = "GifAsm q%- d%- t%-Characters!s h%- GifFile(s)!*s"; -#else -static char - *VersionStr = - PROGRAM_NAME - GIF_LIB_VERSION - " Eric Raymond, " - __DATE__ ", " __TIME__ "\n" - "(C) Copyright 1992 Eric Raymond.\n"; -static char - *CtrlStr = - PROGRAM_NAME - " q%- d%- t%-Characters!s h%- GifFile(s)!*s"; -#endif /* SYSV */ - -static char KeyLetters[] = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!\"#$%&'()*+,-./:<=>?@[\\]^_`{|}~"; -#define PRINTABLES (sizeof(KeyLetters) - 1) - -static int HandleGifError(GifFileType *GifFile); -static void QuitGifError(GifFileType *GifFileIn, GifFileType *GifFileOut); -#if FALSE -/* Apparently this is an unimplemented function of the program */ -static int MergeImage(GifFileType *BaseFile, - GifFileType *Inclusion, - SavedImage *NewImage); -#endif -static void Icon2Gif(char *FileName, FILE *txtin, int fdout); -static void Gif2Icon(char *FileName, - int fdin, int fdout, - char NameTable[]); -static void VisibleDumpBuffer(char *buf, int Len); -static int EscapeString(char *cp, char *tp); - -/****************************************************************************** -* Main Sequence * -******************************************************************************/ -int main(int argc, char **argv) -{ - int i, Error, NumFiles, - DisasmFlag = FALSE, HelpFlag = FALSE, TextLineFlag = FALSE; - char **FileNames = NULL; - char *TextLines[1]; - - if ((Error = GAGetArgs(argc, argv, CtrlStr, - &GifQuietPrint, &DisasmFlag, &TextLineFlag, &TextLines[0], - &HelpFlag, &NumFiles, &FileNames)) != FALSE) { - GAPrintErrMsg(Error); - GAPrintHowTo(CtrlStr); - exit(EXIT_FAILURE); - } - - if (HelpFlag) { - fprintf(stderr, VersionStr); - GAPrintHowTo(CtrlStr); - exit(EXIT_SUCCESS); - } - - if (!DisasmFlag && NumFiles > 1) { - GIF_MESSAGE("Error in command line parsing - one text input please."); - GAPrintHowTo(CtrlStr); - exit(EXIT_FAILURE); - } - - if (!DisasmFlag && TextLineFlag) { - GIF_MESSAGE("Error in command line parsing - -t invalid without -d."); - GAPrintHowTo(CtrlStr); - exit(EXIT_FAILURE); - } - - - if (NumFiles == 0) - { - if (DisasmFlag) - Gif2Icon("Stdin", 0, 1, TextLineFlag ? TextLines[0] : KeyLetters); - else - Icon2Gif("Stdin", stdin, 1); - } - else - for (i = 0; i < NumFiles; i++) - { - FILE *fp; - - if ((fp = fopen(FileNames[i], "r")) == (FILE *)NULL) - { - (void) fprintf(stderr, "Can't open %s\n", FileNames[i]); - exit(EXIT_FAILURE); - } - - if (DisasmFlag) - { - printf("#\n# GIF information from %s\n", FileNames[i]); - Gif2Icon(FileNames[i], -1, 1, TextLineFlag ? TextLines[0] : KeyLetters); - } - else - { - Icon2Gif(FileNames[i], fp, 1); - } - - (void) fclose(fp); - } - - return 0; -} - -/****************************************************************************** -* Parse image directives * -******************************************************************************/ -#define PARSE_ERROR(str) (void) fprintf(stderr,"%s:%d: %s\n",FileName,LineNum,str); - -static void Icon2Gif(char *FileName, FILE *txtin, int fdout) -{ - unsigned int ExtCode, ColorMapSize = 0; - GifColorType GlobalColorMap[256], LocalColorMap[256], - *ColorMap = GlobalColorMap; - char GlobalColorKeys[PRINTABLES], LocalColorKeys[PRINTABLES], - *KeyTable = GlobalColorKeys; - int red, green, blue; - - char buf[BUFSIZ * 2], InclusionFile[64]; - GifFileType *GifFileOut; - SavedImage *NewImage = NULL; - int n, LineNum = 0; - - if ((GifFileOut = EGifOpenFileHandle(fdout)) == NULL) { - (void) HandleGifError(GifFileOut); - } - - /* OK, interpret directives */ - while (fgets(buf, sizeof(buf), txtin) != (char *)NULL) - { - char *cp; - - ++LineNum; - - /* - * Skip lines consisting only of whitespace and comments - */ - for (cp = buf; isspace((int)(*cp)); cp++) - continue; - if (*cp == '#' || *cp == '\0') - continue; - - /* - * If there's a trailing comment, nuke it and all preceding whitespace. - * But preserve the EOL. - */ - if ((cp = strchr(buf, '#')) && (cp == strrchr(cp, '#'))) - { - while (isspace((int)(*--cp))) - continue; - *++cp = '\n'; - *++cp = '\0'; - } - - /* - * Explicit header declarations - */ - - if (sscanf(buf, "screen width %d\n", &GifFileOut->SWidth) == 1) - continue; - - else if (sscanf(buf, "screen height %d\n", &GifFileOut->SHeight) == 1) - continue; - - else if (sscanf(buf, "screen colors %d\n", &n) == 1) - { - int ResBits = BitSize(n); - - if (n > 256 || n < 0 || n != (1 << ResBits)) - { - PARSE_ERROR("Invalid color resolution value."); - exit(EXIT_FAILURE); - } - - GifFileOut->SColorResolution = ResBits; - continue; - } - - else if (sscanf(buf, - "screen background %d\n", - &GifFileOut->SBackGroundColor) == 1) - continue; - - /* - * Color table parsing - */ - - else if (strcmp(buf, "screen map\n") == 0) - { - if (GifFileOut->SColorMap != NULL) - { - PARSE_ERROR("You've already declared a global color map."); - exit(EXIT_FAILURE); - } - - ColorMapSize = 0; - ColorMap = GlobalColorMap; - KeyTable = GlobalColorKeys; - memset(GlobalColorKeys, '\0', sizeof(GlobalColorKeys)); - } - - else if (strcmp(buf, "image map\n") == 0) - { - if (NewImage == NULL) - { - PARSE_ERROR("No previous image declaration."); - exit(EXIT_FAILURE); - } - - ColorMapSize = 0; - ColorMap = LocalColorMap; - KeyTable = LocalColorKeys; - memset(LocalColorKeys, '\0', sizeof(LocalColorKeys)); - } - - else if (sscanf(buf, " rgb %d %d %d is %c", - &red, &green, &blue, &KeyTable[ColorMapSize]) == 4) - { - ColorMap[ColorMapSize].Red = red; - ColorMap[ColorMapSize].Green = green; - ColorMap[ColorMapSize].Blue = blue; - ColorMapSize++; - } - - else if (strcmp(buf, "end\n") == 0) - { - ColorMapObject *NewMap; - - - NewMap = MakeMapObject(1 << BitSize(ColorMapSize), ColorMap); - if (NewMap == (ColorMapObject *)NULL) - { - PARSE_ERROR("Out of memory while allocating new color map."); - exit(EXIT_FAILURE); - } - - if (NewImage) - NewImage->ImageDesc.ColorMap = NewMap; - else - GifFileOut->SColorMap = NewMap; - } - - /* GIF inclusion */ - else if (sscanf(buf, "include %s", InclusionFile) == 1) - { - GifBooleanType DoTranslation; - GifPixelType Translation[256]; - - GifFileType *Inclusion; - SavedImage *NewImage, *CopyFrom; - - if ((Inclusion = DGifOpenFileName(InclusionFile)) == NULL - || DGifSlurp(Inclusion) == GIF_ERROR) - { - PARSE_ERROR("Inclusion read failed."); - QuitGifError(Inclusion, GifFileOut); - } - - if ((DoTranslation = (GifFileOut->SColorMap!=(ColorMapObject*)NULL))) - { - ColorMapObject *UnionMap; - - UnionMap = UnionColorMap(GifFileOut->SColorMap, - Inclusion->SColorMap, Translation); - - if (UnionMap == NULL) - { - PARSE_ERROR("Inclusion failed --- global map conflict."); - QuitGifError(Inclusion, GifFileOut); - } - - FreeMapObject(GifFileOut->SColorMap); - GifFileOut->SColorMap = UnionMap; - } - - for (CopyFrom = Inclusion->SavedImages; - CopyFrom < Inclusion->SavedImages + Inclusion->ImageCount; - CopyFrom++) - { - if ((NewImage = MakeSavedImage(GifFileOut, CopyFrom)) == NULL) - { - PARSE_ERROR("Inclusion failed --- out of memory."); - QuitGifError(Inclusion, GifFileOut); - } - else if (DoTranslation) - ApplyTranslation(NewImage, Translation); - - GifQprintf( - "%s: Image %d at (%d, %d) [%dx%d]: from %s\n", - PROGRAM_NAME, GifFileOut->ImageCount, - NewImage->ImageDesc.Left, NewImage->ImageDesc.Top, - NewImage->ImageDesc.Width, NewImage->ImageDesc.Height, - InclusionFile); - } - - (void) DGifCloseFile(Inclusion); - } - - /* - * Explicit image declarations - */ - - else if (strcmp(buf, "image\n") == 0) - { - if ((NewImage = MakeSavedImage(GifFileOut, NULL)) == (SavedImage *)NULL) - { - PARSE_ERROR("Out of memory while allocating image block."); - exit(EXIT_FAILURE); - } - - /* use global table unless user specifies a local one */ - ColorMap = GlobalColorMap; - KeyTable = GlobalColorKeys; - } - - /* - * Nothing past this point is valid unless we've seen a previous - * image declaration. - */ - else if (NewImage == (SavedImage *)NULL) - { - (void) fputs(buf, stderr); - PARSE_ERROR("Syntax error in header block."); - exit(EXIT_FAILURE); - } - - /* - * Accept image attributes - */ - else if (sscanf(buf, "image top %d\n", &NewImage->ImageDesc.Top) == 1) - continue; - - else if (sscanf(buf, "image left %d\n", &NewImage->ImageDesc.Left)== 1) - continue; - - else if (strcmp(buf, "image interlaced\n") == 0) - { - NewImage->ImageDesc.Interlace = TRUE; - continue; - } - - else if (sscanf(buf, - "image bits %d by %d\n", - &NewImage->ImageDesc.Width, - &NewImage->ImageDesc.Height) == 2) - { - int i, j; - static GifPixelType *Raster, *cp; - int c; - - if ((Raster = (GifPixelType *) malloc(sizeof(GifPixelType) * NewImage->ImageDesc.Width * NewImage->ImageDesc.Height)) - == NULL) { - PARSE_ERROR("Failed to allocate raster block, aborted."); - exit(EXIT_FAILURE); - } - - if (!GifQuietPrint) - fprintf(stderr, "%s: Image %d at (%d, %d) [%dx%d]: ", - PROGRAM_NAME, GifFileOut->ImageCount, - NewImage->ImageDesc.Left, NewImage->ImageDesc.Top, - NewImage->ImageDesc.Width, NewImage->ImageDesc.Height); - - cp = Raster; - for (i = 0; i < NewImage->ImageDesc.Height; i++) { - - char *dp; - - for (j = 0; j < NewImage->ImageDesc.Width; j++) - if ((c = fgetc(txtin)) == EOF) { - PARSE_ERROR("input file ended prematurely."); - exit(EXIT_FAILURE); - } - else if (c == '\n') - { - --j; - ++LineNum; - } - else if (isspace(c)) - --j; - else if ((dp = strchr(KeyTable, c))) - *cp++ = (dp - KeyTable); - else { - PARSE_ERROR("Invalid pixel value."); - exit(EXIT_FAILURE); - } - - if (!GifQuietPrint) - fprintf(stderr, "\b\b\b\b%-4d", i); - } - - if (!GifQuietPrint) - putc('\n', stderr); - - NewImage->RasterBits = (unsigned char *) Raster; - } - else if (sscanf(buf, "comment")) - { - MakeExtension(NewImage, COMMENT_EXT_FUNC_CODE); - while (fgets(buf, sizeof(buf), txtin) != (char *)NULL) - if (strcmp(buf, "end\n") == 0) - break; - else - { - int Len; - - buf[strlen(buf) - 1] = '\0'; - Len = EscapeString(buf, buf); - if (AddExtensionBlock(NewImage, Len, (unsigned char *)buf) == GIF_ERROR) { - PARSE_ERROR("out of memory while adding comment block."); - exit(EXIT_FAILURE); - } - } - } - else if (sscanf(buf, "plaintext")) - { - MakeExtension(NewImage, PLAINTEXT_EXT_FUNC_CODE); - while (fgets(buf, sizeof(buf), txtin) != (char *)NULL) - if (strcmp(buf, "end\n") == 0) - break; - else - { - int Len; - - buf[strlen(buf) - 1] = '\0'; - Len = EscapeString(buf, buf); - if (AddExtensionBlock(NewImage, Len, (unsigned char *)buf) == GIF_ERROR) { - PARSE_ERROR("out of memory while adding plaintext block."); - exit(EXIT_FAILURE); - } - } - } - else if (sscanf(buf, "extension %02x", &ExtCode)) - { - MakeExtension(NewImage, ExtCode); - while (fgets(buf, sizeof(buf), txtin) != (char *)NULL) - if (strcmp(buf, "end\n") == 0) - break; - else - { - int Len; - - buf[strlen(buf) - 1] = '\0'; - Len = EscapeString(buf, buf); - if (AddExtensionBlock(NewImage, Len, (unsigned char *)buf) == GIF_ERROR) { - PARSE_ERROR("out of memory while adding extension block."); - exit(EXIT_FAILURE); - } - } - } - else - { - (void) fputs(buf, stderr); - PARSE_ERROR("Syntax error in image description."); - exit(EXIT_FAILURE); - } - } - - if (EGifSpew(GifFileOut) == GIF_ERROR) - HandleGifError(GifFileOut); -} - -static void Gif2Icon(char *FileName, - int fdin, int fdout, - char NameTable[]) -{ - int i, ExtCode, ImageNum = 1; - GifPixelType *Line, *cp; - GifRecordType RecordType; - GifByteType *Extension; - GifFileType *GifFile; - - if (fdin == -1) { - if ((GifFile = DGifOpenFileName(FileName)) == NULL) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - else { - /* Use stdin instead: */ - if ((GifFile = DGifOpenFileHandle(fdin)) == NULL) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - - printf("screen width %d\nscreen height %d\n", - GifFile->SWidth, GifFile->SHeight); - - printf("screen colors %d\nscreen background %d\n\n", - GifFile->SColorResolution, - GifFile->SBackGroundColor); - - if (GifFile->SColorMap) - { - if (GifFile->SColorMap->ColorCount >= (int)strlen(NameTable)) - { - (void) fprintf(stderr, - "%s: global color map has unprintable pixels\n", - FileName); - exit(EXIT_FAILURE); - } - - printf("screen map\n"); - - for (i = 0; i < GifFile->SColorMap->ColorCount; i++) - printf("\trgb %03d %03d %03d is %c\n", - GifFile->SColorMap ->Colors[i].Red, - GifFile->SColorMap ->Colors[i].Green, - GifFile->SColorMap ->Colors[i].Blue, - NameTable[i]); - printf("end\n\n"); - } - - do { - if (DGifGetRecordType(GifFile, &RecordType) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - switch (RecordType) { - case IMAGE_DESC_RECORD_TYPE: - if (DGifGetImageDesc(GifFile) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - printf("image # %d\nimage left %d\nimage top %d\n", - ImageNum++, - GifFile->Image.Left, GifFile->Image.Top); - if (GifFile->Image.Interlace) - printf("interlaced\n"); - - if (GifFile->Image.ColorMap) - { - if (GifFile->Image.ColorMap->ColorCount >= (int)strlen(NameTable)) - { - (void) fprintf(stderr, - "%s: global color map has unprintable pixels\n", - FileName); - exit(EXIT_FAILURE); - } - - printf("image map\n"); - - for (i = 0; i < GifFile->Image.ColorMap->ColorCount; i++) - printf("\trgb %03d %03d %03d is %c\n", - GifFile->Image.ColorMap ->Colors[i].Red, - GifFile->Image.ColorMap ->Colors[i].Green, - GifFile->Image.ColorMap ->Colors[i].Blue, - NameTable[i]); - printf("end\n\n"); - } - - printf("image bits %d by %d\n", - GifFile->Image.Width, GifFile->Image.Height); - - Line = (GifPixelType *) malloc(GifFile->Image.Width * - sizeof(GifPixelType)); - for (i = 0; i < GifFile->Image.Height; i++) { - if (DGifGetLine(GifFile, Line, GifFile->Image.Width) - == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - for (cp = Line; cp < Line + GifFile->Image.Width; cp++) - putchar(NameTable[*cp]); - putchar('\n'); - } - free((char *) Line); - putchar('\n'); - - break; - case EXTENSION_RECORD_TYPE: - if (DGifGetExtension(GifFile, &ExtCode, &Extension) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - - if (ExtCode == COMMENT_EXT_FUNC_CODE) - printf("comment\n"); - else if (ExtCode == PLAINTEXT_EXT_FUNC_CODE) - printf("plaintext\n"); - else if (isalpha(ExtCode)) - printf("extension %02x # %c\n", ExtCode, ExtCode); - else - printf("extension %02x\n", ExtCode); - - while (Extension != NULL) { - VisibleDumpBuffer((char *)(Extension + 1), Extension[0]); - putchar('\n'); - - if (DGifGetExtensionNext(GifFile, &Extension) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } - } - printf("end\n\n"); - - break; - case TERMINATE_RECORD_TYPE: - break; - default: /* Should be traps by DGifGetRecordType */ - break; - } - } - while - (RecordType != TERMINATE_RECORD_TYPE); - - /* Tell EMACS this is a picture... */ - printf("# The following sets edit modes for GNU EMACS\n"); - printf("# Local "); /* ...break this up, so that EMACS doesn't */ - printf("Variables:\n"); /* get confused when visiting *this* file! */ - printf("# mode:picture\n"); - printf("# truncate-lines:t\n"); - printf("# End:\n"); - - if (fdin == -1) - (void) printf("# End of %s dump\n", FileName); - - if (DGifCloseFile(GifFile) == GIF_ERROR) { - PrintGifError(); - exit(EXIT_FAILURE); - } -} - -static int EscapeString(char *cp, char *tp) -/* process standard C-style escape sequences in a string */ -{ - char *StartAddr = tp; - - while (*cp) - { - int cval = 0; - - if (*cp == '\\' && strchr("0123456789xX", cp[1])) - { - char *dp, *hex = "00112233445566778899aAbBcCdDeEfF"; - int dcount = 0; - - if (*++cp == 'x' || *cp == 'X') - for (++cp; (dp = strchr(hex, *cp)) && (dcount++ < 2); cp++) - cval = (cval * 16) + (dp - hex) / 2; - else if (*cp == '0') - while (strchr("01234567",*cp) != (char*)NULL && (dcount++ < 3)) - cval = (cval * 8) + (*cp++ - '0'); - else - while ((strchr("0123456789",*cp)!=(char*)NULL)&&(dcount++ < 3)) - cval = (cval * 10) + (*cp++ - '0'); - } - else if (*cp == '\\') /* C-style character escapes */ - { - switch (*++cp) - { - case '\\': cval = '\\'; break; - case 'n': cval = '\n'; break; - case 't': cval = '\t'; break; - case 'b': cval = '\b'; break; - case 'r': cval = '\r'; break; - default: cval = *cp; - } - cp++; - } - else if (*cp == '^') /* expand control-character syntax */ - { - cval = (*++cp & 0x1f); - cp++; - } - else - cval = *cp++; - *tp++ = cval; - } - - return(tp - StartAddr); -} - -static void VisibleDumpBuffer(char *buf, int len) -/* Visibilize a given string */ -{ - char *cp; - - for (cp = buf; cp < buf + len; cp++) - { - if (isprint((int)(*cp)) || *cp == ' ') - putchar(*cp); - else if (*cp == '\n') - { - putchar('\\'); putchar('n'); - } - else if (*cp == '\r') - { - putchar('\\'); putchar('r'); - } - else if (*cp == '\b') - { - putchar('\\'); putchar('b'); - } - else if (*cp < ' ') - { - putchar('\\'); putchar('^'); putchar('@' + *cp); - } - else - printf("\\0x%02x", *cp); - } -} - -/****************************************************************************** -* Handle last GIF error. Try to close the file and free all allocated memory. * -******************************************************************************/ -static int HandleGifError(GifFileType *GifFile) -{ - int i = GifLastError(); - - if (EGifCloseFile(GifFile) == GIF_ERROR) { - GifLastError(); - } - return i; -} - -/****************************************************************************** -* Close both input and output file (if open), and exit. * -******************************************************************************/ -static void QuitGifError(GifFileType *GifFileIn, GifFileType *GifFileOut) -{ - PrintGifError(); - if (GifFileIn != NULL) DGifCloseFile(GifFileIn); - if (GifFileOut != NULL) EGifCloseFile(GifFileOut); - exit(EXIT_FAILURE); -} diff --git a/giflib-4.1.6/util/raw2gif.c b/giflib-4.1.6/util/raw2gif.c deleted file mode 100644 index 25337a9..0000000 --- a/giflib-4.1.6/util/raw2gif.c +++ /dev/null @@ -1,254 +0,0 @@ -/***************************************************************************** -* "Gif-Lib" - Yet another gif library. * -* * -* Written by: Gershon Elber Ver 0.1, Jun. 1989 * -****************************************************************************** -* Module to conver raw image into a GIF file. * -* Options: * -* -q : quiet printing mode. * -* -s Width Height : specifies size of raw image. * -* -p ColorMapFile : specifies color map for ray image (see gifclrmp). * -* -h : on-line help. * -****************************************************************************** -* History: * -* 15 Oct 89 - Version 1.0 by Gershon Elber. * -*****************************************************************************/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#ifdef __MSDOS__ -#include -#include -#include -#include -#include -#endif /* __MSDOS__ */ - -#ifndef __MSDOS__ -#include -#endif -#include -#include -#ifdef HAVE_UNISTD_H -#include -#endif -#ifdef HAVE_FCNTL_H -#include -#endif /* HAVE_FCNTL_H */ -#include "getarg.h" -#include "gif_lib.h" - -#define PROGRAM_NAME "Raw2Gif" - -#ifdef __MSDOS__ -extern unsigned int - _stklen = 16384; /* Increase default stack size. */ -#endif /* __MSDOS__ */ - -#ifdef SYSV -static char *VersionStr = - "Gif toolkit module,\t\tGershon Elber\n\ - (C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = "Raw2Gif q%- s!-Width|Height!d!d p%-ColorMapFile!s h%- RawFile!*s"; -#else -static char - *VersionStr = - PROGRAM_NAME - GIF_LIB_VERSION - " Gershon Elber, " - __DATE__ ", " __TIME__ "\n" - "(C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = - PROGRAM_NAME - " q%- s!-Width|Height!d!d p%-ColorMapFile!s h%- RawFile!*s"; -#endif /* SYSV */ - -static GifColorType EGAPalette[] = /* Default color map is EGA palette. */ -{ - { 0, 0, 0 }, /* 0. Black */ - { 0, 0, 170 }, /* 1. Blue */ - { 0, 170, 0 }, /* 2. Green */ - { 0, 170, 170 }, /* 3. Cyan */ - { 170, 0, 0 }, /* 4. Red */ - { 170, 0, 170 }, /* 5. Magenta */ - { 170, 170, 0 }, /* 6. Brown */ - { 170, 170, 170 }, /* 7. LightGray */ - { 85, 85, 85 }, /* 8. DarkGray */ - { 85, 85, 255 }, /* 9. LightBlue */ - { 85, 255, 85 }, /* 10. LightGreen */ - { 85, 255, 255 }, /* 11. LightCyan */ - { 255, 85, 85 }, /* 12. LightRed */ - { 255, 85, 255 }, /* 13. LightMagenta */ - { 255, 255, 85 }, /* 14. Yellow */ - { 255, 255, 255 }, /* 15. White */ -}; -#define EGA_PALETTE_SIZE (sizeof(EGAPalette) / sizeof(GifColorType)) - -int Raw2Gif(int ImagwWidth, int ImagwHeight, ColorMapObject *ColorMap); -static int HandleGifError(GifFileType *GifFile); - -/****************************************************************************** -* Interpret the command line, prepar global data and call the Gif routines. * -******************************************************************************/ -int main(int argc, char **argv) -{ - int Error, NumFiles, ImageWidth, ImageHeight, Dummy, Red, Green, Blue, - ColorMapSize, InFileHandle, - ImageSizeFlag = FALSE, ColorMapFlag = FALSE, HelpFlag = FALSE; - char **FileName = NULL, *ColorMapFile; - ColorMapObject *ColorMap; - FILE *InColorMapFile; - - if ((Error = GAGetArgs(argc, argv, CtrlStr, &GifQuietPrint, - &ImageSizeFlag, &ImageWidth, &ImageHeight, - &ColorMapFlag, &ColorMapFile, - &HelpFlag, - &NumFiles, &FileName)) != FALSE || - (NumFiles > 1 && !HelpFlag)) { - if (Error) - GAPrintErrMsg(Error); - else if (NumFiles > 1) - GIF_MESSAGE("Error in command line parsing - one GIF file please."); - GAPrintHowTo(CtrlStr); - exit(EXIT_FAILURE); - } - - if (HelpFlag) { - fprintf(stderr, VersionStr); - GAPrintHowTo(CtrlStr); - exit(EXIT_SUCCESS); - } - - if (ColorMapFlag) { - /* Read color map from given file: */ - if ((InColorMapFile = fopen(ColorMapFile, "rt")) == NULL) { - GIF_MESSAGE("Failed to open COLOR MAP file (not exists!?)."); - exit(EXIT_FAILURE); - } - if ((ColorMap = MakeMapObject(256, NULL)) == NULL) { - GIF_MESSAGE("Failed to allocate bitmap, aborted."); - exit(EXIT_FAILURE); - } - - for (ColorMapSize = 0; - ColorMapSize < 256 && !feof(InColorMapFile); - ColorMapSize++) { - fscanf(InColorMapFile, "%3d %3d %3d %3d\n", - &Dummy, &Red, &Green, &Blue); - ColorMap->Colors[ColorMapSize].Red = Red; - ColorMap->Colors[ColorMapSize].Green = Green; - ColorMap->Colors[ColorMapSize].Blue = Blue; - } - } - else { - ColorMap = MakeMapObject(16, EGAPalette); - } - - if (NumFiles == 1) { -#ifdef __MSDOS__ - if ((InFileHandle = open(*FileName, O_RDONLY | O_BINARY)) == -1) { -#else - if ((InFileHandle = open(*FileName, O_RDONLY)) == -1) { -#endif /* __MSDOS__ */ - GIF_MESSAGE("Failed to open RAW image file (not exists!?)."); - exit(EXIT_FAILURE); - } - dup2(InFileHandle, 0); /* Make stdin from this file. */ - } - else { -#ifdef __MSDOS__ - setmode(0, O_BINARY); /* Make sure it is in binary mode. */ -#endif /* __MSDOS__ */ - } - -#ifdef __MSDOS__ - setvbuf(stdin, NULL, _IOFBF, GIF_FILE_BUFFER_SIZE); -#endif /* __MSDOS__ */ - - /* Conver Raw image from stdin to Gif file in stdout: */ - Raw2Gif(ImageWidth, ImageHeight, ColorMap); - - return 0; -} - -/****************************************************************************** -* Convert Raw image (One byte per pixel) into Gif file. Raw data is read from * -* stdin, and Gif is dumped to stdout. ImagwWidth times ImageHeight bytes are * -* read. Color map is dumped from ColorMap. * -******************************************************************************/ -int Raw2Gif(int ImageWidth, int ImageHeight, ColorMapObject *ColorMap) -{ - int i, j; - static GifPixelType *ScanLine; - GifFileType *GifFile; - - if ((ScanLine = (GifPixelType *) malloc(sizeof(GifPixelType) * ImageWidth)) - == NULL) { - GIF_MESSAGE("Failed to allocate scan line, aborted."); - exit(EXIT_FAILURE); - } - - if ((GifFile = EGifOpenFileHandle(1)) == NULL) { /* Gif to stdout. */ - free((char *) ScanLine); - return HandleGifError(GifFile); - } - - if (EGifPutScreenDesc(GifFile, ImageWidth, ImageHeight, ColorMap->BitsPerPixel, - 0, ColorMap) == GIF_ERROR) { - free((char *) ScanLine); - return HandleGifError(GifFile); - } - - if (EGifPutImageDesc(GifFile, 0, 0, ImageWidth, ImageHeight, FALSE, - NULL) == GIF_ERROR) { - free((char *) ScanLine); - return HandleGifError(GifFile); - } - - /* Here it is - get one raw line from stdin, and dump to stdout Gif: */ - GifQprintf("\n%s: Image 1 at (0, 0) [%dx%d]: ", - PROGRAM_NAME, ImageWidth, ImageHeight); - for (i = 0; i < ImageHeight; i++) { - /* Note we assume here PixelSize == Byte, which is not necessarily */ - /* so. If not - must read one byte at a time, and coerce to pixel. */ - if (fread(ScanLine, 1, ImageWidth, stdin) != (unsigned)ImageWidth) { - GIF_MESSAGE("RAW input file ended prematurely."); - exit(EXIT_FAILURE); - } - - for (j = 0; j < ImageWidth; j++) - if (ScanLine[j] >= ColorMap->ColorCount) - GIF_MESSAGE("Warning: RAW data color > maximum color map entry."); - - if (EGifPutLine(GifFile, ScanLine, ImageWidth) == GIF_ERROR) { - free((char *) ScanLine); - return HandleGifError(GifFile); - } - GifQprintf("\b\b\b\b%-4d", i); - } - - if (EGifCloseFile(GifFile) == GIF_ERROR) { - free((char *) ScanLine); - return HandleGifError(GifFile); - } - - free((char *) ScanLine); - return 0; -} - -/****************************************************************************** -* Handle last GIF error. Try to close the file and free all allocated memory. * -******************************************************************************/ -static int HandleGifError(GifFileType *GifFile) -{ - int i = GifLastError(); - - if (EGifCloseFile(GifFile) == GIF_ERROR) { - GifLastError(); - } - return i; -} diff --git a/giflib-4.1.6/util/rgb2gif.c b/giflib-4.1.6/util/rgb2gif.c deleted file mode 100644 index c1d7660..0000000 --- a/giflib-4.1.6/util/rgb2gif.c +++ /dev/null @@ -1,294 +0,0 @@ -/***************************************************************************** -* "Gif-Lib" - Yet another gif library. * -* * -* Written by: Gershon Elber Ver 0.1, Jun. 1991 * -****************************************************************************** -* Program to convert 24bits RGB files to GIF format. * -* Options: * -* -q : quiet printing mode. * -* -c #colors : in power of two, i.e. 7 will allow upto 128 colors in output. * -* -1 : one file holding RGBRGB.. triples of bytes * -* -s Width Height : specifies size of raw image. * -* -h : on-line help. * -****************************************************************************** -* History: * -* 15 Jun 91 - Version 1.0 by Gershon Elber. * -*****************************************************************************/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#ifdef __MSDOS__ -#include -#include -#include -#include -#include -#include -#endif /* __MSDOS__ */ - -#ifndef __MSDOS__ -#include -#endif -#include -#include -#include -#ifdef HAVE_FCNTL_H -#include -#endif /* HAVE_FCNTL_H */ -#include "gif_lib.h" -#include "getarg.h" - -#define PROGRAM_NAME "RGB2Gif" - -#ifdef __MSDOS__ -extern unsigned int - _stklen = 16384; /* Increase default stack size. */ -#endif /* __MSDOS__ */ - -#ifdef SYSV -static char *VersionStr = - "Gif toolkit module,\t\tGershon Elber\n\ - (C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = "RGB2Gif q%- c%-#Colors!d 1%- s!-Width|Height!d!d h%- RGBFile!*s"; -#else -static char - *VersionStr = - PROGRAM_NAME - GIF_LIB_VERSION - " Gershon Elber, " - __DATE__ ", " __TIME__ "\n" - "(C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = - PROGRAM_NAME - " q%- c%-#Colors!d 1%- s!-Width|Height!d!d h%- RGBFile!*s"; -#endif /* SYSV */ - -/* Make some variables global, so we could access them faster: */ -static int - ColorFlag = FALSE, - ExpNumOfColors = 8, - OneFileFlag = FALSE, - HelpFlag = FALSE, - ColorMapSize = 256; - -static void LoadRGB(char *FileName, - int OneFileFlag, - GifByteType **RedBuffer, - GifByteType **GreenBuffer, - GifByteType **BlueBuffer, - int Width, int Height); -static void SaveGif(GifByteType *OutputBuffer, - ColorMapObject *OutputColorMap, - int ExpColorMapSize, int Width, int Height); -static void QuitGifError(GifFileType *GifFile); - -/****************************************************************************** -* Interpret the command line and scan the given GIF file. * -******************************************************************************/ -int main(int argc, char **argv) -{ - int Error, NumFiles, Width, Height, SizeFlag; - char **FileName = NULL; - GifByteType *RedBuffer = NULL, *GreenBuffer = NULL, *BlueBuffer = NULL, - *OutputBuffer = NULL; - ColorMapObject *OutputColorMap = NULL; - - if ((Error = GAGetArgs(argc, argv, CtrlStr, &GifQuietPrint, - &ColorFlag, &ExpNumOfColors, &OneFileFlag, - &SizeFlag, &Width, &Height, &HelpFlag, - &NumFiles, &FileName)) != FALSE || - (NumFiles > 1 && !HelpFlag)) { - if (Error) - GAPrintErrMsg(Error); - else if (NumFiles > 1) - GIF_MESSAGE("Error in command line parsing - one GIF file please."); - GAPrintHowTo(CtrlStr); - exit(EXIT_FAILURE); - } - - if (HelpFlag) { - fprintf(stderr, VersionStr); - GAPrintHowTo(CtrlStr); - exit(EXIT_SUCCESS); - } - - ColorMapSize = 1 << ExpNumOfColors; - - if (NumFiles == 1) { - LoadRGB(*FileName, OneFileFlag, - &RedBuffer, &GreenBuffer, &BlueBuffer, Width, Height); - } - else { - LoadRGB(NULL, OneFileFlag, - &RedBuffer, &GreenBuffer, &BlueBuffer, Width, Height); - } - - if ((OutputColorMap = MakeMapObject(ColorMapSize, NULL)) == NULL || - (OutputBuffer = (GifByteType *) malloc(Width * Height * - sizeof(GifByteType))) == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - - if (QuantizeBuffer(Width, Height, &ColorMapSize, - RedBuffer, GreenBuffer, BlueBuffer, - OutputBuffer, OutputColorMap->Colors) == GIF_ERROR) - QuitGifError(NULL); - free((char *) RedBuffer); - free((char *) GreenBuffer); - free((char *) BlueBuffer); - - SaveGif(OutputBuffer, OutputColorMap, ExpNumOfColors, Width, Height); - - return 0; -} - -/****************************************************************************** -* Load RGB file into internal frame buffer. * -******************************************************************************/ -static void LoadRGB(char *FileName, - int OneFileFlag, - GifByteType **RedBuffer, - GifByteType **GreenBuffer, - GifByteType **BlueBuffer, - int Width, int Height) -{ - int i, j; - unsigned long Size; - GifByteType *RedP, *GreenP, *BlueP; - FILE *f[3]; - - Size = ((long) Width) * Height * sizeof(GifByteType); -#ifdef __MSDOS__ - if (Size > 65500L) - GIF_EXIT("Can't allocate more than 64k."); -#endif /* __MSDOS__ */ - - if ((*RedBuffer = (GifByteType *) malloc((unsigned int) Size)) == NULL || - (*GreenBuffer = (GifByteType *) malloc((unsigned int) Size)) == NULL || - (*BlueBuffer = (GifByteType *) malloc((unsigned int) Size)) == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - - RedP = *RedBuffer; - GreenP = *GreenBuffer; - BlueP = *BlueBuffer; - - if (FileName != NULL) { - char OneFileName[80]; - - if (OneFileFlag) { - if ((f[0] = fopen(FileName, "rb")) == NULL) - GIF_EXIT("Can't open input file name."); - } - else { - static char *Postfixes[] = { ".R", ".G", ".B" }; - - for (i = 0; i < 3; i++) { - strcpy(OneFileName, FileName); - strcat(OneFileName, Postfixes[i]); - - if ((f[i] = fopen(OneFileName, "rb")) == NULL) - GIF_EXIT("Can't open input file name."); - } - } - } - else { - OneFileFlag = TRUE; - -#ifdef __MSDOS__ - setmode(0, O_BINARY); -#endif /* __MSDOS__ */ - - f[0] = stdin; - } - - GifQprintf("\n%s: RGB image: ", PROGRAM_NAME); - - if (OneFileFlag) { - GifByteType *Buffer, *BufferP; - - if ((Buffer = (GifByteType *) malloc(Width * 3)) == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - - for (i = 0; i < Height; i++) { - GifQprintf("\b\b\b\b%-4d", i); - if (fread(Buffer, Width * 3, 1, f[0]) != 1) - GIF_EXIT("Input file(s) terminated prematurly."); - for (j = 0, BufferP = Buffer; j < Width; j++) { - *RedP++ = *BufferP++; - *GreenP++ = *BufferP++; - *BlueP++ = *BufferP++; - } - } - - free((char *) Buffer); - fclose(f[0]); - } - else { - for (i = 0; i < Height; i++) { - GifQprintf("\b\b\b\b%-4d", i); - if (fread(RedP, Width, 1, f[0]) != 1 || - fread(GreenP, Width, 1, f[1]) != 1 || - fread(BlueP, Width, 1, f[2]) != 1) - GIF_EXIT("Input file(s) terminated prematurly."); - RedP += Width; - GreenP += Width; - BlueP += Width; - } - - fclose(f[0]); - fclose(f[1]); - fclose(f[2]); - } -} - -/****************************************************************************** -* Save the GIF resulting image. * -******************************************************************************/ -static void SaveGif(GifByteType *OutputBuffer, - ColorMapObject *OutputColorMap, - int ExpColorMapSize, int Width, int Height) -{ - int i; - GifFileType *GifFile; - GifByteType *Ptr = OutputBuffer; - - /* Open stdout for the output file: */ - if ((GifFile = EGifOpenFileHandle(1)) == NULL) - QuitGifError(GifFile); - - if (EGifPutScreenDesc(GifFile, - Width, Height, ExpColorMapSize, 0, - OutputColorMap) == GIF_ERROR || - EGifPutImageDesc(GifFile, - 0, 0, Width, Height, FALSE, NULL) == - GIF_ERROR) - QuitGifError(GifFile); - - GifQprintf("\n%s: Image 1 at (%d, %d) [%dx%d]: ", - PROGRAM_NAME, GifFile->Image.Left, GifFile->Image.Top, - GifFile->Image.Width, GifFile->Image.Height); - - for (i = 0; i < Height; i++) { - if (EGifPutLine(GifFile, Ptr, Width) == GIF_ERROR) - QuitGifError(GifFile); - GifQprintf("\b\b\b\b%-4d", Height - i - 1); - - Ptr += Width; - } - - if (EGifCloseFile(GifFile) == GIF_ERROR) - QuitGifError(GifFile); -} - -/****************************************************************************** -* Close output file (if open), and exit. * -******************************************************************************/ -static void QuitGifError(GifFileType *GifFile) -{ - PrintGifError(); - if (GifFile != NULL) EGifCloseFile(GifFile); - exit(EXIT_FAILURE); -} diff --git a/giflib-4.1.6/util/rle2gif.c b/giflib-4.1.6/util/rle2gif.c deleted file mode 100644 index a844669..0000000 --- a/giflib-4.1.6/util/rle2gif.c +++ /dev/null @@ -1,240 +0,0 @@ -/***************************************************************************** -* "Gif-Lib" - Yet another gif library. * -* * -* Written by: Gershon Elber Ver 0.1, Jul. 1989 * -****************************************************************************** -* Program to convert RLE (utah raster toolkit) file to GIF format. * -* Options: * -* -q : quiet printing mode. * -* -c #colors : in power of two, i.e. 7 will allow upto 128 colors in output. * -* -h : on-line help. * -****************************************************************************** -* History: * -* 5 Jan 90 - Version 1.0 by Gershon Elber. * -*****************************************************************************/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#ifdef __MSDOS__ -#include -#include -#include -#include -#include -#endif /* __MSDOS__ */ - -#include -#include -#include -#include -#ifdef HAVE_FCNTL_H -#include -#endif /* HAVE_FCNTL_H */ -#include "gif_lib.h" -#include "getarg.h" - -#include "rle.h" /* The rle tool kit header files. */ - -#define PROGRAM_NAME "Rle2Gif" - -#ifdef __MSDOS__ -extern unsigned int - _stklen = 16384; /* Increase default stack size. */ -#endif /* __MSDOS__ */ - -#ifdef SYSV -static char *VersionStr = - "Gif toolkit module,\t\tGershon Elber\n\ - (C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = "Rle2Gif q%- c%-#Colors!d h%- RleFile!*s"; -#else -static char - *VersionStr = - PROGRAM_NAME - GIF_LIB_VERSION - " Gershon Elber, " - __DATE__ ", " __TIME__ "\n" - "(C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = - PROGRAM_NAME - " q%- c%-#Colors!d h%- RleFile!*s"; -#endif /* SYSV */ - -/* Make some variables global, so we could access them faster: */ -static int - ColorFlag = FALSE, - ExpNumOfColors = 8, - HelpFlag = FALSE, - ColorMapSize = 256; - -static void LoadRle(char *FileName, - GifByteType **RedBuffer, - GifByteType **GreenBuffer, - GifByteType **BlueBuffer, - int *Width, int *Height); -static void SaveGif(GifByteType *OutputBuffer, - ColorMapObject *OutputColorMap, - int ExpColorMapSize, int Width, int Height); -static void QuitGifError(GifFileType *GifFile); - -/****************************************************************************** -* Interpret the command line and scan the given GIF file. * -******************************************************************************/ -int main(int argc, char **argv) -{ - int i, j, Error, NumFiles, Width, Height; - char **FileName = NULL; - GifByteType *RedBuffer = NULL, *GreenBuffer = NULL, *BlueBuffer = NULL, - *OutputBuffer = NULL; - ColorMapObject *OutputColorMap = NULL; - - if ((Error = GAGetArgs(argc, argv, CtrlStr, &GifQuietPrint, - &ColorFlag, &ExpNumOfColors, &HelpFlag, - &NumFiles, &FileName)) != FALSE || - (NumFiles > 1 && !HelpFlag)) { - if (Error) - GAPrintErrMsg(Error); - else if (NumFiles > 1) - GIF_MESSAGE("Error in command line parsing - one GIF file please."); - GAPrintHowTo(CtrlStr); - exit(EXIT_FAILURE); - } - - if (HelpFlag) { - fprintf(stderr, VersionStr); - GAPrintHowTo(CtrlStr); - exit(EXIT_SUCCESS); - } - - ColorMapSize = 1 << ExpNumOfColors; - - if (NumFiles == 1) { - LoadRle(*FileName, - &RedBuffer, &GreenBuffer, &BlueBuffer, &Width, &Height); - } - else { - LoadRle(NULL, - &RedBuffer, &GreenBuffer, &BlueBuffer, &Width, &Height); - } - if ((OutputColorMap = MakeMapObject(ColorMapSize, NULL)) == NULL || - (OutputBuffer = (GifByteType *) malloc(Width * Height * - sizeof(GifByteType))) == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - - if (QuantizeBuffer(Width, Height, &ColorMapSize, - RedBuffer, GreenBuffer, BlueBuffer, - OutputBuffer, OutputColorMap->Colors) == GIF_ERROR) - QuitGifError(NULL); - free((char *) RedBuffer); - free((char *) GreenBuffer); - free((char *) BlueBuffer); - - SaveGif(OutputBuffer, OutputColorMap, ExpNumOfColors, Width, Height); - - return 0; -} - -/****************************************************************************** -* Load RLE file into internal frame buffer. * -******************************************************************************/ -static void LoadRle(char *FileName, - GifByteType **RedBuffer, - GifByteType **GreenBuffer, - GifByteType **BlueBuffer, - int *Width, int *Height) -{ - int i, j, k, Size; - GifByteType *OutputPtr[3]; - rle_hdr in_hdr; - rle_pixel **rows, *ptr; - - if (FileName != NULL) { - if ((in_hdr.rle_file = fopen(FileName, "r")) == NULL) - GIF_EXIT("Can't open input file name."); - } - else - in_hdr.rle_file = stdin; - - rle_get_setup_ok( &in_hdr, "rle2gif", FileName ); - - *Width = in_hdr.xmax - in_hdr.xmin + 1; - *Height = in_hdr.ymax - in_hdr.ymin + 1; - - if (in_hdr.ncolors != 3) - GIF_EXIT("Input Rle file does not hold 3 (RGB) colors, aborted."); - - Size = *Width * *Height * sizeof(GifByteType); - if (rle_row_alloc(&in_hdr, &rows) || - (*RedBuffer = (GifByteType *) malloc(Size)) == NULL || - (*GreenBuffer = (GifByteType *) malloc(Size)) == NULL || - (*BlueBuffer = (GifByteType *) malloc(Size)) == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - - OutputPtr[0] = *RedBuffer; - OutputPtr[1] = *GreenBuffer; - OutputPtr[2] = *BlueBuffer; - - for (i = 0; i < *Height; i++) { - rle_getrow(&in_hdr, rows); /* Get one scan line (3 colors). */ - - for (j = 0; j < 3; j++) { /* Copy the 3 colors to the given buffers. */ - ptr = &rows[j][in_hdr.xmin]; - - for (k = 0; k < *Width; k++) - *OutputPtr[j]++ = *ptr++; - } - } -} - -/****************************************************************************** -* Save the GIF resulting image. * -******************************************************************************/ -static void SaveGif(GifByteType *OutputBuffer, - ColorMapObject *OutputColorMap, - int ExpColorMapSize, int Width, int Height) -{ - int i; - GifFileType *GifFile; - GifByteType *Ptr = OutputBuffer + Width * (Height - 1); - - /* Open stdout for the output file: */ - if ((GifFile = EGifOpenFileHandle(1)) == NULL) - QuitGifError(GifFile); - - if (EGifPutScreenDesc(GifFile, - Width, Height, ExpColorMapSize, 0, - OutputColorMap) == GIF_ERROR || - EGifPutImageDesc(GifFile, - 0, 0, Width, Height, FALSE, NULL) == - GIF_ERROR) - QuitGifError(GifFile); - - GifQprintf("\n%s: Image 1 at (%d, %d) [%dx%d]: ", - PROGRAM_NAME, GifFile->Image.Left, GifFile->Image.Top, - GifFile->Image.Width, GifFile->Image.Height); - - for (i = 0; i < Height; i++) { - if (EGifPutLine(GifFile, Ptr, Width) == GIF_ERROR) - QuitGifError(GifFile); - GifQprintf("\b\b\b\b%-4d", Height - i - 1); - - Ptr -= Width; - } - - if (EGifCloseFile(GifFile) == GIF_ERROR) - QuitGifError(GifFile); -} - -/****************************************************************************** -* Close output file (if open), and exit. * -******************************************************************************/ -static void QuitGifError(GifFileType *GifFile) -{ - PrintGifError(); - if (GifFile != NULL) EGifCloseFile(GifFile); - exit(EXIT_FAILURE); -} diff --git a/giflib-4.1.6/util/text2gif.c b/giflib-4.1.6/util/text2gif.c deleted file mode 100644 index 558e5ce..0000000 --- a/giflib-4.1.6/util/text2gif.c +++ /dev/null @@ -1,232 +0,0 @@ -/***************************************************************************** -* "Gif-Lib" - Yet another gif library. * -* * -* Written by: Gershon Elber Ver 0.1, Jul. 1989 * -****************************************************************************** -* Program to generate GIF image page from a given text by drawing the chars * -* using 8 by 8 fixed font. * -* Options: * -* -q : quiet printing mode. * -* -s ColorMapSize : in bits, i.e. 6 bits for 64 colors. * -* -f ForeGroundIndex : by default foreground is 1. Must be in range 0..255. * -* -c R G B : set the foregound color values. By default it is white. * -* -t "Text" : Make a one-line GIF (8 pixels high) from the given Text. * -* -h : on-line help. * -****************************************************************************** -* History: * -* 3 May 90 - Version 1.0 by Gershon Elber. * -*****************************************************************************/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#ifdef __MSDOS__ -#include -#include -#endif /* __MSDOS__ */ - -#ifndef __MSDOS__ -#include -#endif -#include -#include -#include -#include "gif_lib.h" -#include "getarg.h" - -#define PROGRAM_NAME "Text2Gif" - -#define MAX_NUM_TEXT_LINES 100 /* Maximum number of lines in file. */ - -#define LINE_LEN 256 /* Maximum length of one text line. */ - -#define DEFAULT_FG_INDEX 1 /* Text foreground index. */ - -#define DEFAULT_COLOR_RED 255 /* Text foreground color. */ -#define DEFAULT_COLOR_GREEN 255 -#define DEFAULT_COLOR_BLUE 255 - -#ifdef __MSDOS__ -extern unsigned int - _stklen = 16384; /* Increase default stack size. */ -#endif /* __MSDOS__ */ - -#ifdef SYSV -static char *VersionStr = - "Gif library module \t\tGershon Elber\n\ - (C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = "Text2Gif q%- s%-ClrMapSize!d f%-FGClr!d c%-R|G|B!d!d!d t%-\"Text\"!s h%-"; -#else -static char - *VersionStr = - PROGRAM_NAME - GIF_LIB_VERSION - " Gershon Elber, " - __DATE__ ", " __TIME__ "\n" - "(C) Copyright 1989 Gershon Elber.\n"; -static char - *CtrlStr = - PROGRAM_NAME - " q%- s%-ClrMapSize!d f%-FGClr!d c%-R|G|B!d!d!d t%-\"Text\"!s h%-"; -#endif /* SYSV */ - -static unsigned int - RedColor = DEFAULT_COLOR_RED, - GreenColor = DEFAULT_COLOR_GREEN, - BlueColor = DEFAULT_COLOR_BLUE; - -static void QuitGifError(GifFileType *GifFile); -static void GenRasterTextLine(GifRowType *RasterBuffer, char *TextLine, - int BufferWidth, int ForeGroundIndex); - -/****************************************************************************** -* Interpret the command line and generate the given GIF file. * -******************************************************************************/ -int main(int argc, char **argv) -{ - int i, j, l, Error, ImageWidth, ImageHeight, NumOfLines, LogNumLevels, - NumLevels, ClrMapSizeFlag = FALSE, ColorMapSize = 1, ColorFlag = FALSE, - ForeGroundIndex = DEFAULT_FG_INDEX, ForeGroundFlag = FALSE, - TextLineFlag = FALSE, HelpFlag = FALSE; - char *TextLines[MAX_NUM_TEXT_LINES], Line[LINE_LEN]; - GifRowType RasterBuffer[GIF_FONT_HEIGHT]; - ColorMapObject *ColorMap; - GifFileType *GifFile; - - if ((Error = GAGetArgs(argc, argv, CtrlStr, - &GifQuietPrint, &ClrMapSizeFlag, &ColorMapSize, - &ForeGroundFlag, &ForeGroundIndex, - &ColorFlag, &RedColor, &GreenColor, &BlueColor, - &TextLineFlag, &TextLines[0], - &HelpFlag)) != FALSE) { - GAPrintErrMsg(Error); - GAPrintHowTo(CtrlStr); - exit(EXIT_FAILURE); - } - - if (HelpFlag) { - fprintf(stderr, VersionStr); - GAPrintHowTo(CtrlStr); - exit(EXIT_SUCCESS); - } - - if (ForeGroundIndex > 255 || ForeGroundIndex < 1) - GIF_EXIT("Foregound (-f) should be in the range 1..255, aborted."); - - if (ColorMapSize > 8 || ColorMapSize < 1) - GIF_EXIT("ColorMapSize (-s) should be in the range 1..8, aborted."); - - if (TextLineFlag) { - NumOfLines = 1; - ImageHeight = GIF_FONT_HEIGHT; - ImageWidth = GIF_FONT_WIDTH * strlen(TextLines[0]); - } - else { - NumOfLines = l = 0; - while (fgets(Line, LINE_LEN - 1, stdin)) { - for (i = strlen(Line); i > 0 && Line[i-1] <= ' '; i--); - Line[i] = 0; - if (l < i) l = i; - TextLines[NumOfLines++] = strdup(Line); - if (NumOfLines == MAX_NUM_TEXT_LINES) - GIF_EXIT("Input file has too many lines, aborted."); - } - if (NumOfLines == 0) - GIF_EXIT("No input text, aborted."); - ImageHeight = GIF_FONT_HEIGHT * NumOfLines; - ImageWidth = GIF_FONT_WIDTH * l; - } - - /* Allocate the raster buffer for GIF_FONT_HEIGHT scan lines (one text line). */ - for (i = 0; i < GIF_FONT_HEIGHT; i++) - if ((RasterBuffer[i] = (GifRowType) malloc(sizeof(GifPixelType) * - ImageWidth)) == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - - /* Open stdout for the output file: */ - if ((GifFile = EGifOpenFileHandle(1)) == NULL) - QuitGifError(GifFile); - - /* Dump out screen description with given size and generated color map: */ - for (LogNumLevels = 1, NumLevels = 2; - NumLevels < ForeGroundIndex; - LogNumLevels++, NumLevels <<= 1); - if (NumLevels < (1 << ColorMapSize)) { - NumLevels = (1 << ColorMapSize); - LogNumLevels = ColorMapSize; - } - - if ((ColorMap = MakeMapObject(NumLevels, NULL)) == NULL) - GIF_EXIT("Failed to allocate memory required, aborted."); - - for (i = 0; i < NumLevels; i++) - ColorMap->Colors[i].Red = ColorMap->Colors[i].Green = ColorMap->Colors[i].Blue = 0; - ColorMap->Colors[ForeGroundIndex].Red = RedColor; - ColorMap->Colors[ForeGroundIndex].Green = GreenColor; - ColorMap->Colors[ForeGroundIndex].Blue = BlueColor; - - if (EGifPutScreenDesc(GifFile, - ImageWidth, ImageHeight, LogNumLevels, 0, ColorMap) - == GIF_ERROR) - QuitGifError(GifFile); - - /* Dump out the image descriptor: */ - if (EGifPutImageDesc(GifFile, - 0, 0, ImageWidth, ImageHeight, FALSE, NULL) == GIF_ERROR) - QuitGifError(GifFile); - - GifQprintf("\n%s: Image 1 at (%d, %d) [%dx%d]: ", - PROGRAM_NAME, GifFile->Image.Left, GifFile->Image.Top, - GifFile->Image.Width, GifFile->Image.Height); - - for (i = l = 0; i < NumOfLines; i++) { - GenRasterTextLine(RasterBuffer, TextLines[i], ImageWidth, - ForeGroundIndex); - for (j = 0; j < GIF_FONT_HEIGHT; j++) { - if (EGifPutLine(GifFile, RasterBuffer[j], ImageWidth) == GIF_ERROR) - QuitGifError(GifFile); - GifQprintf("\b\b\b\b%-4d", l++); - } - } - - if (EGifCloseFile(GifFile) == GIF_ERROR) - QuitGifError(GifFile); - - return 0; -} - -/****************************************************************************** -* Close output file (if open), and exit. * -******************************************************************************/ -static void GenRasterTextLine(GifRowType *RasterBuffer, char *TextLine, - int BufferWidth, int ForeGroundIndex) -{ - unsigned char c; - unsigned char Byte, Mask; - int i, j, k, CharPosX, Len = strlen(TextLine); - - for (i = 0; i < BufferWidth; i++) - for (j = 0; j < GIF_FONT_HEIGHT; j++) RasterBuffer[j][i] = 0; - - for (i = CharPosX = 0; i < Len; i++, CharPosX += GIF_FONT_WIDTH) { - c = TextLine[i]; - for (j = 0; j < GIF_FONT_HEIGHT; j++) { - Byte = AsciiTable[(unsigned short)c][j]; - for (k = 0, Mask = 128; k < GIF_FONT_WIDTH; k++, Mask >>= 1) - if (Byte & Mask) - RasterBuffer[j][CharPosX + k] = ForeGroundIndex; - } - } -} - -/****************************************************************************** -* Close output file (if open), and exit. * -******************************************************************************/ -static void QuitGifError(GifFileType *GifFile) -{ - PrintGifError(); - if (GifFile != NULL) EGifCloseFile(GifFile); - exit(EXIT_FAILURE); -} diff --git a/giflib-4.1.6/windows/GifWin.cpp b/giflib-4.1.6/windows/GifWin.cpp deleted file mode 100644 index 0d805bc..0000000 --- a/giflib-4.1.6/windows/GifWin.cpp +++ /dev/null @@ -1,715 +0,0 @@ -/********************************************************* -* -* File: GifWin.cpp -* Title: Graphics Interchange Format implementation -* -* Author: Lennie Araki -* Date: 24-Nov-1999 -* -* This class is a thin wrapper around the open source -* giflib-1.4.0 for opening, parsing and displaying -* Compuserve GIF files on Windows. -* -* The baseline code was derived from fragments extracted -* from the sample programs gif2rgb.c and giftext.c. -* Added support for local/global palettes, transparency -* and "dispose" methods to improve display compliance -* with GIF89a. -* -* Copyright (c) 1999 CallWave, Inc. -* CallWave, Inc. -* 136 W. Canon Perdido Suite A -* Santa Barbara, CA 93101 -* -* Licensed under the terms laid out in the libungif -* COPYING file. -* -*********************************************************/ - -#include "stdafx.h" -#include -#include "GifWin.h" -extern "C" -{ - #include "gif_lib.h" -} - -#define LOCAL static - -// -// Implements the GIF89a specification with the following omissions: -// -// Section 18. Logical Screen Descriptor: -// Pixel Aspect Ratio is ignored - square pixels assumed (1:1) -// Section 23. Graphic Control Extension: -// User Input Flag is ignored - could be added but not very useful -// Section 25. Plain Text Extension -// Not implemented - would require embedding fonts and text drawing -// code to be added -// Section 26. Application Extension -// Not implemented. Note: this includes Netscape 2.0 looping -// extensions -// - -// _______________________________ -// | reserved | disposal |u_i| t | -// |___|___|___|___|___|___|___|___| -// -#define GIF_TRANSPARENT 0x01 -#define GIF_USER_INPUT 0x02 -#define GIF_DISPOSE_MASK 0x07 -#define GIF_DISPOSE_SHIFT 2 - -#define GIF_NOT_TRANSPARENT -1 - -#define GIF_DISPOSE_NONE 0 // No disposal specified. The decoder is - // not required to take any action. -#define GIF_DISPOSE_LEAVE 1 // Do not dispose. The graphic is to be left - // in place. -#define GIF_DISPOSE_BACKGND 2 // Restore to background color. The area used by the - // graphic must be restored to the background color. - -#define GIF_DISPOSE_RESTORE 3 // Restore to previous. The decoder is required to - // restore the area overwritten by the graphic with - // what was there prior to rendering the graphic. - - -// Initialize BITMAPINFO -LOCAL void InitBitmapInfo(LPBITMAPINFO pBMI, int cx, int cy) -{ - ::ZeroMemory(pBMI, sizeof(BITMAPINFOHEADER)); - pBMI->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); - pBMI->bmiHeader.biWidth = cx; - pBMI->bmiHeader.biHeight = -cy; // negative for top-down bitmap - pBMI->bmiHeader.biPlanes = 1; - pBMI->bmiHeader.biBitCount = 24; - pBMI->bmiHeader.biClrUsed = 256; -} - -// Copy GIF ColorMap into Windows BITMAPINFO -LOCAL void CopyColorMap(ColorMapObject* pColorMap, LPBITMAPINFO pBMI) -{ - int iLen = pColorMap->ColorCount; - ASSERT( iLen <= 256 ); - int iCount = min(iLen, 256); - for (int i = 0; i < iCount; i++) - { - BYTE red = pColorMap->Colors[i].Red; - BYTE green = pColorMap->Colors[i].Green; - BYTE blue = pColorMap->Colors[i].Blue; - TRACE("%3d: %02xh %02xh %02xh ", i, red, green, blue); - pBMI->bmiColors[i].rgbRed = red; - pBMI->bmiColors[i].rgbGreen = green; - pBMI->bmiColors[i].rgbBlue = blue; - pBMI->bmiColors[i].rgbReserved = 0; - if (i % 4 == 3) - TRACE("\n"); - } - TRACE("\n"); -} - -#define DWORD_PAD(x) (((x) + 3) & ~3) - -// Copy bytes from source to destination skipping transparent bytes -LOCAL void CopyGIF(LPBYTE pDst, LPBYTE pSrc, int width, const int transparent, GifColorType* pColorTable) -{ - ASSERT( pColorTable ); - if (width) - { - do - { - BYTE b = *pSrc++; - if (b != transparent) - { - // Translate to 24-bit RGB value if not transparent - const GifColorType* pColor = pColorTable + b; - pDst[0] = pColor->Blue; - pDst[1] = pColor->Green; - pDst[2] = pColor->Red; - } - // Skip to next pixel - pDst += 3; - } - while (--width); - } -} - -// Fix pixels in 24-bit GIF buffer -LOCAL void FillGIF(LPBYTE pDst, const COLORREF rgb, int width) -{ - if (width) - { - do - { - pDst[0] = GetBValue(rgb); - pDst[1] = GetGValue(rgb); - pDst[2] = GetRValue(rgb); - pDst += 3; - } - while (--width); - } -} - -// Constructor/destructor -CGIFWin::CGIFWin() -{ - m_pGifFile = NULL; - m_pBits = NULL; - - // Clear bitmap information - ::ZeroMemory(&m_bmiGlobal, sizeof(m_bmiGlobal)); - ::ZeroMemory(&m_bmiDisplay, sizeof(m_bmiDisplay)); - - // - // Per Section 11 of GIF spec: - // If no color table is available at all, the decoder is free to use a - // system color table or a table of its own. In that case, the decoder - // may use a color table with as many colors as its hardware is able - // to support; it is recommended that such a table have black and - // white as its first two entries, so that monochrome images can be - // rendered adequately. - // - const RGBQUAD rgbWhite = { 255, 255, 255, 0 }; - const RGBQUAD rgbBlack = { 0, 0, 0, 0 }; - m_bmiGlobal.bmi.bmiColors[0] = rgbBlack; - for (int i = 1; i < 256; ++i) - { - m_bmiGlobal.bmi.bmiColors[i] = rgbWhite; - } -} - -CGIFWin::~CGIFWin() -{ - TRACE("*** CGIFWin destructor called ***\n"); - Close(); -} - -// Open GIF file and allocate "screen" buffer -int CGIFWin::Open(LPCTSTR pszGifFileName, COLORREF rgbTransparent) -{ - m_rgbBackgnd = m_rgbTransparent = rgbTransparent; - - // First close and delete previous GIF (if open) - Close(); - - m_pGifFile = ::DGifOpenFileName(pszGifFileName); - int iResult = -1; - if (m_pGifFile) - { - const int cxScreen = m_pGifFile->SWidth; - const int cyScreen = m_pGifFile->SHeight; - - TRACE("\n%s:\n\n\tScreen Size - Width = %d, Height = %d.\n", pszGifFileName, cxScreen, cyScreen); - TRACE("\tColorResolution = %d, BackGround = %d.\n", m_pGifFile->SColorResolution, m_pGifFile->SBackGroundColor); - - // Allocate buffer big enough for 2 screens + 1 line - // Use 24-bit (3-bytes per pixel) to correctly handle local palettes - const DWORD dwRowBytes = DWORD_PAD(cxScreen * 3); - const DWORD dwScreen = dwRowBytes * cyScreen; - m_pBits = (LPBYTE) GlobalAllocPtr(GHND, dwScreen * 2 + dwRowBytes); - iResult = -2; - if (m_pBits) - { - // Fill in current and next image with background color - for (int y = 0; y < cyScreen * 2; ++y) - { - ::FillGIF(m_pBits + y * dwRowBytes, rgbTransparent, cxScreen); - } - - ::InitBitmapInfo(&m_bmiGlobal.bmi, cxScreen, cyScreen); - - if (m_pGifFile->SColorMap) - { - TRACE("\tGlobal Color Map:\n"); - ::CopyColorMap(m_pGifFile->SColorMap, &m_bmiGlobal.bmi); - GifColorType* pColor = m_pGifFile->SColorMap->Colors + m_pGifFile->SBackGroundColor; - m_rgbBackgnd = RGB(pColor->Red, pColor->Green, pColor->Blue); - } - iResult = 0; - m_iImageNum = 0; - m_uLoopCount = 0U; - } - } - return iResult; -} - -// Close the GIF file and free resources allocated by libgif -void CGIFWin::Close() -{ - // Close GIF file if opened - if (m_pGifFile) - { - int iError = DGifCloseFile(m_pGifFile); - if (iError == GIF_ERROR) - { - TRACE("DGifCloseFile error=%d\n", GifLastError()); - } - m_pGifFile = NULL; - } - // Free memory if allocated - if (m_pBits) - { - GlobalFreePtr(m_pBits); - m_pBits = NULL; - } -} - -// -// Draw entire GIF to a Windows Device Context -// iFactor Percent Ratio -// -3 25% (1:4) -// -2 33% (1:3) -// -1 50% (1:2) -// 0 100% (1:1) -// 1 200% (2:1) -// 2 300% (3:1) -// 3 400% (4:1) -// -int CGIFWin::Draw(HDC hDC, LPCRECT pRect, int iFactor /*=0*/) -{ - int iResult = 0; - if (m_pGifFile && m_pBits) - { - const int Width = m_pGifFile->SWidth; - const int Height = m_pGifFile->SHeight; - int zoomWidth = Width; - int zoomHeight = Height; - if (iFactor < 0) - { - zoomWidth /= (1 - iFactor); - zoomHeight /= (1 - iFactor); - - } - else if (iFactor > 0) - { - zoomWidth *= (1 + iFactor); - zoomHeight *= (1 + iFactor); - } - - int x, y; - if (pRect) - { - // Center image in rectangle - x = (pRect->right - pRect->left - zoomWidth) / 2 + pRect->left; - y = (pRect->bottom - pRect->top - zoomHeight) / 2 + pRect->top; - } - else - { - // Draw image at top-left - x = y = 0; - } - - if (Width && Height) - { - if (iFactor < 0) - { - HBITMAP hBitmap = CreateMappedBitmap(NULL, 0, 1 - iFactor); - if (hBitmap) - { - HDC hdcMem = ::CreateCompatibleDC(hDC); - if (hdcMem) - { - HBITMAP hOldBm = (HBITMAP) ::SelectObject(hdcMem, hBitmap); - - // Blast bits from memory DC to target DC. - iResult = ::BitBlt(hDC, x, y, zoomWidth, zoomHeight, hdcMem, 0, 0, SRCCOPY); - - ::SelectObject(hdcMem, hOldBm); - ::DeleteDC(hdcMem); - } - ::DeleteObject(hBitmap); - } - } - else // (iFactor >= 0) - { - // Display bitmap on screen (-negative height to flip DIB upside down) - iResult = ::StretchDIBits(hDC, x, y, zoomWidth, zoomHeight, 0, 0, Width, Height, m_pBits, &m_bmiDisplay.bmi, DIB_RGB_COLORS, SRCCOPY); - } - } - } - return iResult; -} - -// Compute least squared color difference -LOCAL COLORREF ColorDiff(COLORREF rgb1, COLORREF rgb2) -{ - // If matching color, replace with Windows color - const int rDiff = GetRValue(rgb1) - GetRValue(rgb2); - const int gDiff = GetGValue(rgb1) - GetGValue(rgb2); - const int bDiff = GetBValue(rgb1) - GetBValue(rgb2); - // Use least squared difference - const long lDiff = rDiff * rDiff + gDiff * gDiff + bDiff * bDiff; - return lDiff; -} - -LOCAL COLORREF AvePixel(LPBYTE pSrcRow, DWORD dwSrcRowBytes, LPCOLORMAP pColorMap, UINT uColors, int iScale) -{ - const int iPower = iScale * iScale; - const int iPower2 = iPower / 2; - int red = iPower2; // For rounding - int grn = iPower2; - int blu = iPower2; - for (int row = iScale; row > 0; --row) - { - LPBYTE pSrc = pSrcRow; - for (int col = iScale; col > 0; --col) - { - COLORREF rgb = RGB(pSrc[2], pSrc[1], pSrc[0]); - pSrc += 3; - // Map color based on pColorMap, uColors - long lClosest = 5; - for (UINT u = 0; u < uColors; ++u) - { - const long lDiff = ColorDiff(pColorMap[u].from, rgb); - if (lDiff < lClosest) - { - lClosest = lDiff; - rgb = pColorMap[u].to; - } - } - // Check for "solid" color flag (no pixel averaging) - if (rgb & 0xff000000) - { - return rgb; - } - red += GetRValue(rgb); - grn += GetGValue(rgb); - blu += GetBValue(rgb); - } - pSrcRow += dwSrcRowBytes; - } - // Return "average" pixel - return RGB(red / iPower, grn / iPower, blu / iPower); -} - -// Copy (and resize) 24-bit Bitmap mapping colors -LOCAL void CopyBitmap24(LPBYTE pDstRow, LPBYTE pSrcRow, int width, int height, LPCOLORMAP pColorMap, UINT uColors, int iScale) -{ - ASSERT( iScale > 0 ); - const DWORD dwSrcRowBytes = DWORD_PAD(width * 3); - const DWORD dwDstRowBytes = DWORD_PAD(width / iScale * 3); - - for (int row = 0; row < height; row += iScale) - { - LPBYTE pDst = pDstRow; - LPBYTE pSrc = pSrcRow + (row * dwSrcRowBytes); - for (int col = 0; col < width; col += iScale) - { - const COLORREF rgb = AvePixel(pSrc, dwSrcRowBytes, pColorMap, uColors, iScale); - *pDst++ = GetBValue(rgb); - *pDst++ = GetGValue(rgb); - *pDst++ = GetRValue(rgb); - pSrc += (iScale * 3); - } - pDstRow += dwDstRowBytes; - } -} - -// Create a Device Independent Bitmap from current GIF image -// Colorize bitmap to match Windows desktop colors -// Returns NULL if error else handle to bitmap -HBITMAP CGIFWin::CreateMappedBitmap(LPCOLORMAP pMap, UINT uCount, int iScale /*=1*/) -{ - HBITMAP hBitmap = NULL; - - ASSERT( m_pGifFile && m_pBits ); - - // Create memory device context compatible with current screen - HDC hDC = ::CreateCompatibleDC(NULL); - if (hDC) - { - // Create bitmap from current image state - LPVOID pBits = NULL; - BMI256 bmiSize = m_bmiDisplay; - if (iScale > 0) - { - bmiSize.bmi.bmiHeader.biWidth /= iScale; - bmiSize.bmi.bmiHeader.biHeight /= iScale; - } - - hBitmap = ::CreateDIBSection(hDC, &bmiSize.bmi, DIB_RGB_COLORS, &pBits, /*handle=*/ NULL, /*offset=*/ 0L); - if (hBitmap && pBits) - { - const int cxScreen = m_pGifFile->SWidth; - const int cyScreen = m_pGifFile->SHeight; - ASSERT( m_bmiDisplay.bmi.bmiHeader.biBitCount == 24 ); - ::CopyBitmap24((LPBYTE) pBits, (LPBYTE) m_pBits, cxScreen, cyScreen, pMap, uCount, iScale); - } - VERIFY( ::DeleteDC(hDC) ); - } - return hBitmap; -} - -int CGIFWin::GetHeight() -{ - return m_pGifFile ? m_pGifFile->SHeight : 0; -} - -int CGIFWin::GetWidth() -{ - return m_pGifFile ? m_pGifFile->SWidth : 0; -} - -// Netscape 2.0 looping extension block -LOCAL GifByteType szNetscape20ext[] = "\x0bNETSCAPE2.0"; -#define NSEXT_LOOP 0x01 // Loop Count field code - -// -// Appendix E. Interlaced Images. -// -// The rows of an Interlaced images are arranged in the following order: -// -// Group 1 : Every 8th. row, starting with row 0. (Pass 1) -// Group 2 : Every 8th. row, starting with row 4. (Pass 2) -// Group 3 : Every 4th. row, starting with row 2. (Pass 3) -// Group 4 : Every 2nd. row, starting with row 1. (Pass 4) -// -const int InterlacedOffset[] = { 0, 4, 2, 1 }; /* The way Interlaced image should. */ -const int InterlacedJumps[] = { 8, 8, 4, 2 }; /* be read - offsets and jumps... */ -// -// The Following example illustrates how the rows of an interlaced image are -// ordered. -// -// Row Number Interlace Pass -// -// 0 ----------------------------------------- 1 -// 1 ----------------------------------------- 4 -// 2 ----------------------------------------- 3 -// 3 ----------------------------------------- 4 -// 4 ----------------------------------------- 2 -// 5 ----------------------------------------- 4 -// 6 ----------------------------------------- 3 -// 7 ----------------------------------------- 4 -// 8 ----------------------------------------- 1 -// 9 ----------------------------------------- 4 -// 10 ----------------------------------------- 3 -// 11 ----------------------------------------- 4 -// 12 ----------------------------------------- 2 -// 13 ----------------------------------------- 4 -// 14 ----------------------------------------- 3 -// 15 ----------------------------------------- 4 -// 16 ----------------------------------------- 1 -// 17 ----------------------------------------- 4 -// 18 ----------------------------------------- 3 -// 19 ----------------------------------------- 4 -// - -// Fetch next image from GIF file -// Returns delay in msec, 0 for end-of-file, negative for error) -int CGIFWin::NextImage() -{ - // Error if no gif file! - if (!m_pGifFile) - { - return -1; - } - const int cxScreen = m_pGifFile->SWidth; - const int cyScreen = m_pGifFile->SHeight; - // ___________ - // pBits1 -> | | - // | current | - // | image | - // |___________| - // pBits2 -> | | - // | next | - // | image | - // |___________| - // pLine -> |___________| - // - const DWORD dwRowBytes = DWORD_PAD(cxScreen * 3); - -#define XYOFFSET(x,y) ((y) * dwRowBytes + (x) * 3) - - const DWORD dwScreen = dwRowBytes * cyScreen; - LPBYTE pBits1 = m_pBits; - LPBYTE pBits2 = pBits1 + dwScreen; - GifPixelType *pLine = pBits2 + dwScreen; - - GifRecordType RecordType; - GifByteType *pExtension; - int delay = 10; // Default to 100 msec - int dispose = 0; - int transparent = GIF_NOT_TRANSPARENT; - do { - int i, ExtCode; - - if (DGifGetRecordType(m_pGifFile, &RecordType) == GIF_ERROR) - { - break; - } - switch (RecordType) - { - case IMAGE_DESC_RECORD_TYPE: - if (DGifGetImageDesc(m_pGifFile) != GIF_ERROR) - { - const int x = m_pGifFile->Image.Left; - const int y = m_pGifFile->Image.Top; - ++m_iImageNum; - TRACE("\nImage #%d:\n\n\tImage Size - Left = %d, Top = %d, Width = %d, Height = %d.\n", - m_iImageNum, x, y, - m_pGifFile->Image.Width, m_pGifFile->Image.Height); - TRACE("\tImage is %s", - m_pGifFile->Image.Interlace ? "Interlaced" : - "Non Interlaced"); - if (m_pGifFile->Image.ColorMap != NULL) - TRACE(", BitsPerPixel = %d.\n", - m_pGifFile->Image.ColorMap->BitsPerPixel); - else - TRACE(".\n"); - - GifColorType* pColorTable; - if (m_pGifFile->Image.ColorMap == NULL) - { - TRACE("\tNo Image Color Map.\n"); - // Copy global bitmap info for display - memcpy(&m_bmiDisplay, &m_bmiGlobal, sizeof(m_bmiDisplay)); - pColorTable = m_pGifFile->SColorMap->Colors; - } - else - { - TRACE("\tImage Has Color Map.\n"); - ::InitBitmapInfo(&m_bmiDisplay.bmi, cxScreen, cyScreen); - ::CopyColorMap(m_pGifFile->Image.ColorMap, &m_bmiDisplay.bmi); - pColorTable = m_pGifFile->Image.ColorMap->Colors; - } - - // Always copy next -> current image - memcpy(pBits1, pBits2, dwScreen); - - const int Width = m_pGifFile->Image.Width; - const int Height = m_pGifFile->Image.Height; - if (m_pGifFile->Image.Interlace) - { - // Need to perform 4 passes on the images: - for (int pass = 0; pass < 4; pass++) - { - for (i = InterlacedOffset[pass]; i < Height; i += InterlacedJumps[pass]) - { - if (DGifGetLine(m_pGifFile, pLine, Width) == GIF_ERROR) - { - TRACE("DGifGetLine error=%d\n", GifLastError()); - return -1; - } - CopyGIF(pBits1 + XYOFFSET(x, y + i), pLine, Width, transparent, pColorTable); - } - } - } - else - { - // Non-interlaced image - for (i = 0; i < Height; i++) - { - if (DGifGetLine(m_pGifFile, pLine, Width) == GIF_ERROR) - { - TRACE("DGifGetLine error=%d\n", GifLastError()); - return -1; - } - CopyGIF(pBits1 + XYOFFSET(x, y + i), pLine, Width, transparent, pColorTable); - } - } - // Prepare second image with next starting - if (dispose == GIF_DISPOSE_BACKGND) - { - TRACE("*** GIF_DISPOSE_BACKGND ***\n"); - const int x = m_pGifFile->Image.Left; - const int y = m_pGifFile->Image.Top; - const int Width = m_pGifFile->Image.Width; - const int Height = m_pGifFile->Image.Height; - - // Clear next image to background index - // Note: if transparent restore to transparent color (else use GIF background color) - const COLORREF rgbFill = (transparent == GIF_NOT_TRANSPARENT) ? m_rgbBackgnd : m_rgbTransparent; - for (int i = 0; i < Height; ++i) - ::FillGIF(pBits2 + XYOFFSET(x, y + i), rgbFill, Width); - } - else if (dispose != GIF_DISPOSE_RESTORE) - { - // Copy current -> next (Update) - memcpy(pBits2, pBits1, dwScreen); - } - dispose = 0; - TRACE("\tdelay = %d msec\n", delay * 10); - if (delay) - { - return delay * 10; - } - } - break; - case EXTENSION_RECORD_TYPE: - { - if (DGifGetExtension(m_pGifFile, &ExtCode, &pExtension) == GIF_ERROR) - { - TRACE("DGifGetExtension error=%d\n", GifLastError()); - return -2; - } - TRACE("\n"); - BOOL bNetscapeExt = FALSE; - switch (ExtCode) - { - case COMMENT_EXT_FUNC_CODE: - TRACE("GIF89 comment"); - break; - case GRAPHICS_EXT_FUNC_CODE: - { - TRACE("GIF89 graphics control"); - ASSERT( pExtension[0] == 4 ); - // - int flag = pExtension[1]; - delay = MAKEWORD(pExtension[2], pExtension[3]); - transparent = (flag & GIF_TRANSPARENT) ? pExtension[4] : GIF_NOT_TRANSPARENT; - dispose = (flag >> GIF_DISPOSE_SHIFT) & GIF_DISPOSE_MASK; - - TRACE(" delay = %d, dispose = %d transparent = %d\n", delay, dispose, transparent); - break; - } - case PLAINTEXT_EXT_FUNC_CODE: - TRACE("GIF89 plaintext"); - break; - case APPLICATION_EXT_FUNC_CODE: - { - TRACE("GIF89 application block\n"); - ASSERT( pExtension ); - if (memcmp(pExtension, szNetscape20ext, szNetscape20ext[0]) == 0) - { - TRACE("Netscape 2.0 extension\n"); - bNetscapeExt = TRUE; - } - break; - } - default: - TRACE("pExtension record of unknown type"); - break; - } - TRACE(" (Ext Code = %d):\n", ExtCode); - do - { - if (DGifGetExtensionNext(m_pGifFile, &pExtension) == GIF_ERROR) - { - TRACE("DGifGetExtensionNext error=%d\n", GifLastError()); - return -3; - } - // Process Netscape 2.0 extension (GIF looping) - if (pExtension && bNetscapeExt) - { - GifByteType bLength = pExtension[0]; - int iSubCode = pExtension[1] & 0x07; - if (bLength == 3 && iSubCode == NSEXT_LOOP) - { - UINT uLoopCount = MAKEWORD(pExtension[2], pExtension[3]); - m_uLoopCount = uLoopCount - 1; - TRACE("Looping extension, uLoopCount=%u\n", m_uLoopCount); - } - } - } - while (pExtension); - break; - } - case TERMINATE_RECORD_TYPE: - break; - default: // Should be trapped by DGifGetRecordType - break; - } - } - while (RecordType != TERMINATE_RECORD_TYPE); - return 0; -} diff --git a/giflib-4.1.6/windows/GifWin.h b/giflib-4.1.6/windows/GifWin.h deleted file mode 100644 index 4a37ea4..0000000 --- a/giflib-4.1.6/windows/GifWin.h +++ /dev/null @@ -1,68 +0,0 @@ -/********************************************************* -* -* File: GifWin.h -* Title: Graphics Interchange Format header -* -* Author: Lennie Araki -* Date: 24-Nov-1999 -* -* This class is a thin wrapper around the open source -* giflib-1.4.0 for opening, parsing and displaying -* Compuserve GIF files on Windows. -* -* Copyright (c) 1999 CallWave, Inc. -* CallWave, Inc. -* 136 W. Canon Perdido Suite A -* Santa Barbara, CA 93101 -* -* Licensed under the terms laid out in the libungif -* COPYING file. -* -*********************************************************/ - -#ifndef __GIFWIN_H__ -#define __GIFWIN_H__ - -#include // For LPCOLORMAP - -typedef struct GifFileType GifFileType; // Opaque to avoid namespace collisions - -// Fixed length struct to allocate 256-color BITMAPINFO -// (to avoid dynamic allocation) -typedef struct tagbmi256 -{ - BITMAPINFO bmi; - RGBQUAD fill[255]; -} BMI256; - -// Win32 Class for wrapping libgif functionality -class CGIFWin -{ -protected: - GifFileType* m_pGifFile; - LPBYTE m_pBits; - BMI256 m_bmiGlobal; - BMI256 m_bmiDisplay; - COLORREF m_rgbTransparent; - COLORREF m_rgbBackgnd; - int m_iImageNum; - UINT m_uLoopCount; // Netscape 2.0 loop count -public: -// Constructor/destructor - CGIFWin(); - ~CGIFWin(); -// Operations - int Open(LPCTSTR pszFileName, COLORREF rgbBack = RGB(255,255,255)); - void Close(); - int Draw(HDC hDC, LPCRECT pRect, int iFactor = 0); - int NextImage(); - UINT GetLoopCount() const - { return m_uLoopCount; } - HBITMAP CreateMappedBitmap(LPCOLORMAP pMap, UINT uCount, int iScale = 1); - -// Get image size (in pixels) - int GetHeight(); - int GetWidth(); -}; - -#endif // __GIFWIN_H__ diff --git a/giflib-4.1.6/windows/StdAfx.h b/giflib-4.1.6/windows/StdAfx.h deleted file mode 100644 index 002999a..0000000 --- a/giflib-4.1.6/windows/StdAfx.h +++ /dev/null @@ -1,67 +0,0 @@ -// stdafx.h : include file for standard system include files, -// or project specific include files that are used frequently, but -// are changed infrequently -// - -#if !defined(AFX_STDAFX_H__A9DB83DB_A9FD_11D0_BFD1_444553540000__INCLUDED_) -#define AFX_STDAFX_H__A9DB83DB_A9FD_11D0_BFD1_444553540000__INCLUDED_ - -#if _MSC_VER > 1000 -#pragma once -#endif // _MSC_VER > 1000 - -#define WIN32_LEAN_AND_MEAN // Exclude rarely-used stuff from Windows headers - - -// Windows Header Files: -#include - -// C RunTime Header Files -#include -#include -#include -#include - -// Local Header Files - -// TODO: reference additional headers your program requires here -//#ifndef _T -// #define _T(x) TEXT(x) -//#endif -#define _countof(a) (sizeof(a) / sizeof(a[0])) - -#ifdef _DEBUG - -#include - - #define ASSERT(x) assert(x) - #define VERIFY(x) assert(x) - #define TRACE DebugTrace - -void __inline __cdecl DebugTrace(LPCTSTR pszFormat, ...) -{ - TCHAR szBuffer[1024]; - va_list arglist; - va_start(arglist, pszFormat ); -#ifdef WIN32 - VERIFY( wvsprintf(szBuffer, pszFormat, arglist) < _countof(szBuffer)); - OutputDebugString(szBuffer); -#else - VERIFY( vsprintf(szBuffer, pszFormat, arglist) < _countof(szBuffer)); - fprintf(stderr, szBuffer); -#endif - va_end(arglist); -} - -#else // !_DEBUG - - #define ASSERT(x) - #define VERIFY(x) (x) - #define TRACE (void) - -#endif // _DEBUG - -//{{AFX_INSERT_LOCATION}} -// Microsoft Visual C++ will insert additional declarations immediately before the previous line. - -#endif // !defined(AFX_STDAFX_H__A9DB83DB_A9FD_11D0_BFD1_444553540000__INCLUDED_) diff --git a/giflib-4.1.6/windows/gifshow.cpp b/giflib-4.1.6/windows/gifshow.cpp deleted file mode 100644 index 21cd7f1..0000000 --- a/giflib-4.1.6/windows/gifshow.cpp +++ /dev/null @@ -1,424 +0,0 @@ -// gifshow.cpp : Defines the entry point for the application. -// -// Simple test program for testing CGIFWin class. Skeleton Windows -// application generated by Microsoft Visual C++. -// -// Licensed under the terms laid out in the libungif COPYING file. -// -// Usage: -// pass the GIF file as a command-line parameter or drag-and-drop -// files from Explorer onto the main window -// -// Known Limitations: -// 1. Does not support palette messages so -// test only on 16-bit/24-bit color - -#include "stdafx.h" -#include -#include -#include -#include "resource.h" -#include "GifWin.h" - -#define MAX_LOADSTRING 100 - -// Global Variables: -HINSTANCE hInst; // current instance -TCHAR szTitle[MAX_LOADSTRING]; // The title bar text -TCHAR szWindowClass[MAX_LOADSTRING]; // The title bar text - -// List of files to display and pointer to current file -LPTSTR pszFileList = NULL; -LPTSTR pszCurrentFile = NULL; - -int iViewScale = 0; // View size (-1=50, 0=100, 1=200) -BOOL bAnimate = TRUE; -HANDLE hFrameEvent = NULL; - -// Foward declarations of functions included in this code module: -ATOM MyRegisterClass(HINSTANCE hInstance); -BOOL InitInstance(HINSTANCE, int); -LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM); -LRESULT CALLBACK About(HWND, UINT, WPARAM, LPARAM); - - -CGIFWin gif; - - -HWND ghwndGIF = NULL; - -#define PALETTE_SUPPORT - -#ifdef PALETTE_SUPPORT - HPALETTE hPalette = NULL; -#endif // PALETTE_SUPPORT - -void _cdecl DrawGifThread(LPVOID /*pParam*/) -{ - while (ghwndGIF) - { - COLORREF rgbBack = ::GetSysColor(COLOR_BTNFACE); - - int iLength = lstrlen(pszCurrentFile); - if (iLength) - { - // Set Window Title (show filename) - TCHAR szWindowTitle[MAX_PATH + MAX_LOADSTRING]; - ::wsprintf(szWindowTitle, "%s - %s", szTitle, pszCurrentFile); - if (ghwndGIF) - ::SetWindowText(ghwndGIF, szWindowTitle); - UINT uLoop = 0; - - // Draw animated GIF to Windows Device Context (HDC) - if (gif.Open(pszCurrentFile, rgbBack) == 0) - { - while (ghwndGIF) - { - int delay = gif.NextImage(); - if (ghwndGIF) - { - ::InvalidateRect(ghwndGIF, NULL, FALSE); - ::UpdateWindow(ghwndGIF); - } - if (delay <= 0) - { - TRACE("NextImage() returned %d\n", delay); - - // Limit loops to 2 loops (3 times) - UINT uLoopCount = gif.GetLoopCount(); - if (uLoopCount > 2) - uLoopCount = 2; - - // Exit loop if loop count expired - // or there is an error closing/reopening the file - if (++uLoop > uLoopCount) - break; - - TRACE("Loop count=%d\n", uLoop); - gif.Close(); - if (gif.Open(pszCurrentFile, rgbBack) != 0) - { - break; - } - } - else - { - ASSERT( hFrameEvent ); - ::WaitForSingleObject(hFrameEvent, bAnimate ? delay : INFINITE); - } - } - gif.Close(); - // Skip to next filename - pszCurrentFile += (iLength + 1); - ::Sleep(500); - if (ghwndGIF) - { - ::SetWindowText(ghwndGIF, szTitle); - ::InvalidateRect(ghwndGIF, NULL, TRUE); - } - } - } - else // (iLength == 0) - { - ::DragAcceptFiles(ghwndGIF, TRUE); - } - } // while -} - -int APIENTRY WinMain(HINSTANCE hInstance, - HINSTANCE /*hPrevInstance*/, - LPSTR lpCmdLine, - int nCmdShow) -{ - MSG msg; - HACCEL hAccelTable; - - TRACE("WinMain: lpCmdLine=%s\n", lpCmdLine); - - // Initialize global strings - LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING); - LoadString(hInstance, IDC_GIFSHOW, szWindowClass, MAX_LOADSTRING); - MyRegisterClass(hInstance); - - // Set current file to command line and convert spaces to separating '\0' nulls - pszCurrentFile = lpCmdLine; - LPTSTR pszSep = lpCmdLine; - while (pszSep) - { - pszSep = strchr(pszSep, ' '); - if (pszSep == NULL) - break; - *pszSep++ = '\0'; - } - - // Perform application initialization: - if (!InitInstance (hInstance, nCmdShow)) - { - return FALSE; - } - - hAccelTable = LoadAccelerators(hInstance, (LPCTSTR)IDC_GIFSHOW); - hFrameEvent = ::CreateEvent(NULL, /*bManualReset=*/ FALSE, /*bInitialState=*/ FALSE, _T("frame")); - - // Main message loop: - while (GetMessage(&msg, NULL, 0, 0)) - { - if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg)) - { - TranslateMessage(&msg); - DispatchMessage(&msg); - } - } - - CloseHandle(hFrameEvent); - - return msg.wParam; -} - - - -// -// FUNCTION: MyRegisterClass() -// -// PURPOSE: Registers the window class. -// -// COMMENTS: -// -// This function and its usage is only necessary if you want this code -// to be compatible with Win32 systems prior to the 'RegisterClassEx' -// function that was added to Windows 95. It is important to call this function -// so that the application will get 'well formed' small icons associated -// with it. -// -ATOM MyRegisterClass(HINSTANCE hInstance) -{ - WNDCLASSEX wcex; - - wcex.cbSize = sizeof(WNDCLASSEX); - - HICON hIcon = (HICON) ::LoadImage(hInstance, MAKEINTRESOURCE(IDI_GIFSHOW), IMAGE_ICON, 16,16, LR_DEFAULTSIZE); - - wcex.style = CS_HREDRAW | CS_VREDRAW; - wcex.lpfnWndProc = (WNDPROC)WndProc; - wcex.cbClsExtra = 0; - wcex.cbWndExtra = 0; - wcex.hInstance = hInstance; - wcex.hIcon = hIcon; - wcex.hCursor = LoadCursor(NULL, IDC_ARROW); - wcex.hbrBackground = (HBRUSH)(COLOR_BTNFACE+1); - wcex.lpszMenuName = (LPCSTR)IDC_GIFSHOW; - wcex.lpszClassName = szWindowClass; - wcex.hIconSm = hIcon; - - return RegisterClassEx(&wcex); -} - -// -// FUNCTION: InitInstance(HANDLE, int) -// -// PURPOSE: Saves instance handle and creates main window -// -// COMMENTS: -// -// In this function, we save the instance handle in a global variable and -// create and display the main program window. -// - -BOOL InitInstance(HINSTANCE hInstance, int nCmdShow) -{ - HWND hWnd; - - hInst = hInstance; // Store instance handle in our global variable - - hWnd = CreateWindow(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW, - CW_USEDEFAULT, 0, 500, 250, NULL, NULL, hInstance, NULL); - - if (!hWnd) - { - return FALSE; - } - - ShowWindow(hWnd, nCmdShow); - UpdateWindow(hWnd); - - return TRUE; -} - -void UpdateMenu(HWND hWnd) -{ - HMENU hMenu = GetMenu(hWnd); - CheckMenuRadioItem(hMenu, IDM_VIEW_25, IDM_VIEW_400, IDM_VIEW_100 + iViewScale, MF_BYCOMMAND); - CheckMenuItem(hMenu, ID_VIEW_ANIMATE, bAnimate ? MF_CHECKED : MF_UNCHECKED); -} - -// -// FUNCTION: WndProc(HWND, unsigned, WORD, LONG) -// -// PURPOSE: Processes messages for the main window. -// -// WM_COMMAND - process the application menu -// WM_PAINT - Paint the main window -// WM_DESTROY - post a quit message and return -// -// -LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) -{ - int wmId, wmEvent; - PAINTSTRUCT ps; - TCHAR szHello[MAX_LOADSTRING]; - LoadString(hInst, IDS_HELLO, szHello, MAX_LOADSTRING); - - switch (message) - { - case WM_COMMAND: - wmId = LOWORD(wParam); - wmEvent = HIWORD(wParam); - // Parse the menu selections: - switch (wmId) - { - case IDM_ABOUT: - DialogBox(hInst, (LPCTSTR)IDD_ABOUTBOX, hWnd, (DLGPROC)About); - break; - case IDM_VIEW_25: - case IDM_VIEW_33: - case IDM_VIEW_50: - case IDM_VIEW_100: - case IDM_VIEW_200: - case IDM_VIEW_300: - case IDM_VIEW_400: - iViewScale = wmId - IDM_VIEW_100; - InvalidateRect(hWnd, NULL, TRUE); - UpdateMenu(hWnd); - break; - case ID_VIEW_ANIMATE: - bAnimate = !bAnimate; - UpdateMenu(hWnd); - break; - case ID_VIEW_FRAME: - bAnimate = FALSE; - if (hFrameEvent) - SetEvent(hFrameEvent); - UpdateMenu(hWnd); - break; - case IDM_EXIT: - DestroyWindow(hWnd); - break; - default: - return DefWindowProc(hWnd, message, wParam, lParam); - } - break; - case WM_DROPFILES: - { - HDROP hDrop = (HDROP) wParam; - - // Don't accept more dropped files - ::DragAcceptFiles(hWnd, FALSE); - - // Get number of files dropped - const int iFiles = ::DragQueryFile(hDrop, ~0U, NULL, 0); - - // Free previous file list (if allocated) - if (pszFileList) - { - GlobalFreePtr(pszFileList); - } - - // Allocate buffer to hold list of files - pszFileList = (LPTSTR) GlobalAllocPtr(GMEM_ZEROINIT, iFiles * MAX_PATH); - if (pszFileList) - { - LPTSTR pFile = pszFileList; - for (int iIndex = 0; iIndex < iFiles; ++iIndex) - { - if (::DragQueryFile(hDrop, iIndex, pFile, MAX_PATH)) - { - TRACE("WM_DROPFILES (%d of %d) szPathName=%s\n", iIndex, iFiles, pFile); - // Add terminating '\n' between files - int iLength = lstrlen(pFile); - pFile += (iLength + 1); - } - } - *pFile++ = '\0'; - pszCurrentFile = pszFileList; - } - DragFinish(hDrop); - break; - } - case WM_CREATE: - { - HDC hDC = ::GetDC(hWnd); -#ifdef PALETTE_SUPPORT - hPalette = ::CreateHalftonePalette(hDC); -#endif // PALETTE_SUPPORT - ::ReleaseDC(hWnd, hDC); - ghwndGIF = hWnd; - _beginthread(DrawGifThread, 0, hWnd); - UpdateMenu(hWnd); - return DefWindowProc(hWnd, message, wParam, lParam); - } - case WM_PAINT: - { - RECT rect; - GetClientRect(hWnd, &rect); - - HDC hDC = BeginPaint(hWnd, &ps); -#ifdef PALETTE_SUPPORT - // Select and realize palette (for 8-bit displays) - HPALETTE hOldPal = ::SelectPalette(hDC, hPalette, TRUE); - ::RealizePalette(hDC); - gif.Draw(hDC, &rect, iViewScale); - if (hOldPal) - ::SelectPalette(hDC, hOldPal, TRUE); -#else - gif.Draw(hDC, &rect, iViewScale); -#endif // PALETTE_SUPPORT - EndPaint(hWnd, &ps); - break; - } - case WM_DESTROY: - { - ghwndGIF = NULL; - Sleep(1000); // Wait for thread to self destruct - - // Free previous file list (if allocated) - if (pszFileList) - { - TRACE("Free pszFileList!\n"); - GlobalFreePtr(pszFileList); - pszFileList = NULL; - } -#ifdef PALETTE_SUPPORT - if (hPalette) - { - TRACE("Delete palette!\n"); - ::DeleteObject(hPalette); - hPalette = NULL; - } -#endif // PALETTE_SUPPORT - PostQuitMessage(0); - break; - } - default: - return DefWindowProc(hWnd, message, wParam, lParam); - } - return 0; -} - -// Mesage handler for about box. -LRESULT CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM /*lParam*/) -{ - switch (message) - { - case WM_INITDIALOG: - return TRUE; - - case WM_COMMAND: - if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL) - { - EndDialog(hDlg, LOWORD(wParam)); - return TRUE; - } - break; - } - return FALSE; -} diff --git a/giflib-4.1.6/windows/gifshow.dsp b/giflib-4.1.6/windows/gifshow.dsp deleted file mode 100644 index 7ac2a29..0000000 --- a/giflib-4.1.6/windows/gifshow.dsp +++ /dev/null @@ -1,145 +0,0 @@ -# Microsoft Developer Studio Project File - Name="gifshow" - Package Owner=<4> -# Microsoft Developer Studio Generated Build File, Format Version 6.00 -# ** DO NOT EDIT ** - -# TARGTYPE "Win32 (x86) Application" 0x0101 - -CFG=gifshow - Win32 Debug -!MESSAGE This is not a valid makefile. To build this project using NMAKE, -!MESSAGE use the Export Makefile command and run -!MESSAGE -!MESSAGE NMAKE /f "gifshow.mak". -!MESSAGE -!MESSAGE You can specify a configuration when running NMAKE -!MESSAGE by defining the macro CFG on the command line. For example: -!MESSAGE -!MESSAGE NMAKE /f "gifshow.mak" CFG="gifshow - Win32 Debug" -!MESSAGE -!MESSAGE Possible choices for configuration are: -!MESSAGE -!MESSAGE "gifshow - Win32 Release" (based on "Win32 (x86) Application") -!MESSAGE "gifshow - Win32 Debug" (based on "Win32 (x86) Application") -!MESSAGE - -# Begin Project -# PROP AllowPerConfigDependencies 0 -# PROP Scc_ProjName ""$/libungif/GifShow", SRCAAAAA" -# PROP Scc_LocalPath "." -CPP=cl.exe -MTL=midl.exe -RSC=rc.exe - -!IF "$(CFG)" == "gifshow - Win32 Release" - -# PROP BASE Use_MFC 0 -# PROP BASE Use_Debug_Libraries 0 -# PROP BASE Output_Dir "Release" -# PROP BASE Intermediate_Dir "Release" -# PROP BASE Target_Dir "" -# PROP Use_MFC 0 -# PROP Use_Debug_Libraries 0 -# PROP Output_Dir "Release" -# PROP Intermediate_Dir "Release" -# PROP Ignore_Export_Lib 0 -# PROP Target_Dir "" -# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /Yu"stdafx.h" /FD /c -# ADD CPP /nologo /Zp4 /MT /W4 /GX /O2 /I "..\lib" /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /FD /c -# SUBTRACT CPP /YX /Yc /Yu -# ADD BASE MTL /nologo /D "NDEBUG" /mktyplib203 /win32 -# ADD MTL /nologo /D "NDEBUG" /mktyplib203 /win32 -# ADD BASE RSC /l 0x409 /d "NDEBUG" -# ADD RSC /l 0x409 /d "NDEBUG" -BSC32=bscmake.exe -# ADD BASE BSC32 /nologo -# ADD BSC32 /nologo -LINK32=link.exe -# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:windows /machine:I386 -# ADD LINK32 kernel32.lib user32.lib gdi32.lib shell32.lib Release\libungif.lib /nologo /subsystem:windows /machine:I386 - 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-!ENDIF - -# Begin Target - -# Name "gifshow - Win32 Release" -# Name "gifshow - Win32 Debug" -# Begin Group "Source Files" - -# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat" -# Begin Source File - -SOURCE=.\gifshow.cpp -# End Source File -# Begin Source File - -SOURCE=.\gifshow.rc -# End Source File -# Begin Source File - -SOURCE=.\GifWin.cpp -# End Source File -# End Group -# Begin Group "Header Files" - -# PROP Default_Filter "h;hpp;hxx;hm;inl" -# Begin Source File - -SOURCE=.\gifshow.h -# End Source File -# Begin Source File - -SOURCE=.\GifWin.h -# End Source File -# Begin Source File - -SOURCE=.\resource.h -# End Source File -# Begin Source File - -SOURCE=.\StdAfx.h -# End Source File -# End Group -# Begin Group "Resource Files" - -# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe" -# Begin Source File - -SOURCE=.\gifshow.ico -# End Source File -# Begin Source File - -SOURCE=.\small.ico -# End Source File -# End Group -# Begin Source File - -SOURCE=.\ReadMe.txt -# End Source File -# End Target -# End Project diff --git a/giflib-4.1.6/windows/gifshow.dsw b/giflib-4.1.6/windows/gifshow.dsw deleted file mode 100644 index 78ddf8f..0000000 --- a/giflib-4.1.6/windows/gifshow.dsw +++ /dev/null @@ -1,44 +0,0 @@ -Microsoft Developer Studio Workspace File, Format Version 6.00 -# WARNING: DO NOT EDIT OR DELETE THIS WORKSPACE FILE! - -############################################################################### - -Project: "gifshow"=.\gifshow.dsp - Package Owner=<4> - -Package=<5> -{{{ -}}} - -Package=<4> -{{{ - Begin Project Dependency - Project_Dep_Name libungif - End Project Dependency -}}} - -############################################################################### - -Project: "libungif"=.\libungif.dsp - Package Owner=<4> - -Package=<5> -{{{ -}}} - -Package=<4> -{{{ -}}} - -############################################################################### - -Global: - -Package=<5> -{{{ -}}} - -Package=<3> -{{{ -}}} - -############################################################################### - diff --git a/giflib-4.1.6/windows/gifshow.h b/giflib-4.1.6/windows/gifshow.h deleted file mode 100644 index 77efc6f..0000000 --- a/giflib-4.1.6/windows/gifshow.h +++ /dev/null @@ -1,12 +0,0 @@ - -#if !defined(AFX_GIFSHOW_H__35DE1D94_9C4E_11D3_AAC8_00C04F684DB1__INCLUDED_) -#define AFX_GIFSHOW_H__35DE1D94_9C4E_11D3_AAC8_00C04F684DB1__INCLUDED_ - -#if _MSC_VER > 1000 -#pragma once -#endif // _MSC_VER > 1000 - -#include "resource.h" - - -#endif // !defined(AFX_GIFSHOW_H__35DE1D94_9C4E_11D3_AAC8_00C04F684DB1__INCLUDED_) diff --git a/giflib-4.1.6/windows/gifshow.ico b/giflib-4.1.6/windows/gifshow.ico deleted file mode 100644 index 3868835..0000000 Binary files a/giflib-4.1.6/windows/gifshow.ico and /dev/null differ diff --git a/giflib-4.1.6/windows/gifshow.rc b/giflib-4.1.6/windows/gifshow.rc deleted file mode 100644 index ab7f297..0000000 --- a/giflib-4.1.6/windows/gifshow.rc +++ /dev/null @@ -1,152 +0,0 @@ -//Microsoft Developer Studio generated resource script. -// -#include "resource.h" - -#define APSTUDIO_READONLY_SYMBOLS -///////////////////////////////////////////////////////////////////////////// -// -// Generated from the TEXTINCLUDE 2 resource. -// -#define APSTUDIO_HIDDEN_SYMBOLS -#include "windows.h" -#undef APSTUDIO_HIDDEN_SYMBOLS -#include "resource.h" - -///////////////////////////////////////////////////////////////////////////// -#undef APSTUDIO_READONLY_SYMBOLS - -///////////////////////////////////////////////////////////////////////////// -// English (U.S.) resources - -#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU) -#ifdef _WIN32 -LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US -#pragma code_page(1252) -#endif //_WIN32 - -///////////////////////////////////////////////////////////////////////////// -// -// Icon -// - -// Icon with lowest ID value placed first to ensure application icon -// remains consistent on all systems. -IDI_GIFSHOW ICON DISCARDABLE "gifshow.ICO" - -///////////////////////////////////////////////////////////////////////////// -// -// Menu -// - -IDC_GIFSHOW MENU DISCARDABLE -BEGIN - POPUP "&File" - BEGIN - MENUITEM "E&xit", IDM_EXIT - END - POPUP "&View" - BEGIN - MENUITEM "&25%", IDM_VIEW_25 - MENUITEM "&33%", IDM_VIEW_33 - MENUITEM "&50%", IDM_VIEW_50 - MENUITEM "&100%", IDM_VIEW_100 - MENUITEM "&200%", IDM_VIEW_200 - MENUITEM "&300%", IDM_VIEW_300 - MENUITEM "&400%", IDM_VIEW_400 - MENUITEM SEPARATOR - MENUITEM "&Animate", ID_VIEW_ANIMATE - MENUITEM "&Frame\tSpace", ID_VIEW_FRAME - END - POPUP "&Help" - BEGIN - MENUITEM "&About ...", IDM_ABOUT - END -END - - -///////////////////////////////////////////////////////////////////////////// -// -// Accelerator -// - -IDC_GIFSHOW ACCELERATORS MOVEABLE PURE -BEGIN - "?", IDM_ABOUT, ASCII, ALT - "/", IDM_ABOUT, ASCII, ALT - VK_SPACE, ID_VIEW_FRAME, VIRTKEY, NOINVERT -END - - -///////////////////////////////////////////////////////////////////////////// -// -// Dialog -// - -IDD_ABOUTBOX DIALOG DISCARDABLE 22, 17, 230, 75 -STYLE DS_MODALFRAME | WS_CAPTION | WS_SYSMENU -CAPTION "About" -FONT 8, "System" -BEGIN - ICON IDI_GIFSHOW,IDC_MYICON,14,9,16,16 - LTEXT "gifshow Version 1.0",IDC_STATIC,49,10,119,8,SS_NOPREFIX - LTEXT "Copyright (C) 1999",IDC_STATIC,49,20,119,8 - DEFPUSHBUTTON "OK",IDOK,195,6,30,11,WS_GROUP -END - - -#ifdef APSTUDIO_INVOKED -///////////////////////////////////////////////////////////////////////////// -// -// TEXTINCLUDE -// - -2 TEXTINCLUDE DISCARDABLE -BEGIN - "#define APSTUDIO_HIDDEN_SYMBOLS\r\n" - "#include ""windows.h""\r\n" - "#undef APSTUDIO_HIDDEN_SYMBOLS\r\n" - "#include ""resource.h""\r\n" - "\0" -END - -3 TEXTINCLUDE DISCARDABLE -BEGIN - "\r\n" - "\0" -END - -1 TEXTINCLUDE DISCARDABLE -BEGIN - "resource.h\0" -END - -#endif // APSTUDIO_INVOKED - - -///////////////////////////////////////////////////////////////////////////// -// -// String Table -// - -STRINGTABLE DISCARDABLE -BEGIN - IDS_APP_TITLE "gifshow" - IDS_HELLO "Hello World!" - IDC_GIFSHOW "GIFSHOW" -END - -#endif // English (U.S.) resources -///////////////////////////////////////////////////////////////////////////// - - - -#ifndef APSTUDIO_INVOKED -///////////////////////////////////////////////////////////////////////////// -// -// Generated from the TEXTINCLUDE 3 resource. -// - - -///////////////////////////////////////////////////////////////////////////// -#endif // not APSTUDIO_INVOKED - diff --git a/giflib-4.1.6/windows/libungif.dsp b/giflib-4.1.6/windows/libungif.dsp deleted file mode 100644 index 3dd179a..0000000 --- a/giflib-4.1.6/windows/libungif.dsp +++ /dev/null @@ -1,146 +0,0 @@ -# Microsoft Developer Studio Project File - Name="libungif" - Package Owner=<4> -# Microsoft Developer Studio Generated Build File, Format Version 6.00 -# ** DO NOT EDIT ** - -# TARGTYPE "Win32 (x86) Static Library" 0x0104 - -CFG=libungif - Win32 Debug -!MESSAGE This is not a valid makefile. To build this project using NMAKE, -!MESSAGE use the Export Makefile command and run -!MESSAGE -!MESSAGE NMAKE /f "libungif.mak". -!MESSAGE -!MESSAGE You can specify a configuration when running NMAKE -!MESSAGE by defining the macro CFG on the command line. For example: -!MESSAGE -!MESSAGE NMAKE /f "libungif.mak" CFG="libungif - Win32 Debug" -!MESSAGE -!MESSAGE Possible choices for configuration are: -!MESSAGE -!MESSAGE "libungif - Win32 Release" (based on "Win32 (x86) Static Library") -!MESSAGE "libungif - Win32 Debug" (based on "Win32 (x86) Static Library") -!MESSAGE - -# Begin Project -# PROP AllowPerConfigDependencies 0 -# PROP Scc_ProjName "" -# PROP Scc_LocalPath "." -CPP=cl.exe -RSC=rc.exe - -!IF "$(CFG)" == "libungif - Win32 Release" - -# PROP BASE Use_MFC 0 -# PROP BASE Use_Debug_Libraries 0 -# PROP BASE Output_Dir "Release" -# PROP BASE Intermediate_Dir "Release" -# PROP BASE Target_Dir "" -# PROP Use_MFC 0 -# PROP Use_Debug_Libraries 0 -# PROP Output_Dir "Release" -# PROP Intermediate_Dir "Release" -# PROP Target_Dir "" -# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_MBCS" /D "_LIB" /YX /FD /c -# ADD CPP /nologo /Zp4 /MT /W4 /GX /O2 /I "..\lib" /D "NDEBUG" /D "WIN32" /D "_LIB" /D "_OPEN_BINARY" /D "HAVE_IO_H" /D "HAVE_FCNTL_H" /D "HAVE_STDARG_H" /D "HAVE_BASETSD_H" /FD /c -# SUBTRACT CPP /YX -# ADD BASE RSC /l 0x409 /d "NDEBUG" -# ADD RSC /l 0x409 /d "NDEBUG" -BSC32=bscmake.exe -# ADD BASE BSC32 /nologo -# ADD BSC32 /nologo -LIB32=link.exe -lib -# ADD BASE LIB32 /nologo -# ADD LIB32 /nologo - -!ELSEIF "$(CFG)" == "libungif - Win32 Debug" - -# PROP BASE Use_MFC 0 -# PROP BASE Use_Debug_Libraries 1 -# PROP BASE Output_Dir "Debug" -# PROP BASE Intermediate_Dir "Debug" -# PROP BASE Target_Dir "" -# PROP Use_MFC 0 -# PROP Use_Debug_Libraries 1 -# PROP Output_Dir "Debug" -# PROP Intermediate_Dir "Debug" -# PROP Target_Dir "" -# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_MBCS" /D "_LIB" /YX /FD /GZ /c -# ADD CPP /nologo /Zp4 /MTd /W4 /Gm /GX /ZI /Od /I "..\lib" /D "_DEBUG" /D "WIN32" /D "_LIB" /D "_OPEN_BINARY" /D "HAVE_IO_H" /D "HAVE_FCNTL_H" /D "HAVE_STDARG_H" /D "HAVE_BASETSD_H" /FD /GZ /c -# SUBTRACT CPP /YX -# ADD BASE RSC /l 0x409 /d "_DEBUG" -# ADD RSC /l 0x409 /d "_DEBUG" -BSC32=bscmake.exe -# ADD BASE BSC32 /nologo -# ADD BSC32 /nologo -LIB32=link.exe -lib -# ADD BASE LIB32 /nologo -# ADD LIB32 /nologo - -!ENDIF - -# Begin Target - -# Name "libungif - Win32 Release" -# Name "libungif - Win32 Debug" -# Begin Group "Source Files" - -# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat" -# Begin Source File - -SOURCE=..\lib\dev2gif.c -# End Source File -# Begin Source File - -SOURCE=..\lib\dgif_lib.c -# End Source File -# Begin Source File - -SOURCE=..\lib\egif_lib.c -# End Source File -# Begin Source File - -SOURCE=..\lib\getarg.c -# End Source File -# Begin Source File - -SOURCE=..\lib\gif_err.c -# End Source File -# Begin Source File - -SOURCE=..\lib\gif_font.c -# End Source File -# Begin Source File - -SOURCE=..\lib\gifalloc.c -# End Source File -# Begin Source File - -SOURCE=..\lib\qprintf.c -# End Source File -# Begin Source File - -SOURCE=..\lib\quantize.c -# End Source File -# End Group -# Begin Group "Header Files" - -# PROP Default_Filter "h;hpp;hxx;hm;inl" -# Begin Source File - -SOURCE=..\lib\getarg.h -# End Source File -# Begin Source File - -SOURCE=..\lib\gif_hash.h -# End Source File -# Begin Source File - -SOURCE=..\lib\gif_lib.h -# End Source File -# Begin Source File - -SOURCE=..\lib\gif_lib_private.h -# End Source File -# End Group -# End Target -# End Project diff --git a/giflib-4.1.6/windows/resource.h b/giflib-4.1.6/windows/resource.h deleted file mode 100644 index 4309df8..0000000 --- a/giflib-4.1.6/windows/resource.h +++ /dev/null @@ -1,38 +0,0 @@ -//{{NO_DEPENDENCIES}} -// Microsoft Developer Studio generated include file. -// Used by gifshow.rc -// -#define IDR_MAINFRAME 128 -#define IDD_HELLO_DIALOG 102 -#define IDD_ABOUTBOX 103 -#define IDS_APP_TITLE 103 -#define IDS_HELLO 128 -#define IDI_GIFSHOW 128 -#define IDC_MYICON 129 -#define IDC_GIFSHOW 130 - -#define IDC_STATIC -1 - -#define IDM_EXIT 1000 -#define IDM_VIEW_25 1001 -#define IDM_VIEW_33 1002 -#define IDM_VIEW_50 1003 -#define IDM_VIEW_100 1004 -#define IDM_VIEW_200 1005 -#define IDM_VIEW_300 1006 -#define IDM_VIEW_400 1007 -#define ID_VIEW_ANIMATE 1008 -#define ID_VIEW_FRAME 1009 - -#define IDM_ABOUT 1100 - -// Next default values for new objects -// -#ifdef APSTUDIO_INVOKED -#ifndef APSTUDIO_READONLY_SYMBOLS -#define _APS_NEXT_RESOURCE_VALUE 131 -#define _APS_NEXT_COMMAND_VALUE 32772 -#define _APS_NEXT_CONTROL_VALUE 1000 -#define _APS_NEXT_SYMED_VALUE 101 -#endif -#endif diff --git a/qprintf.c b/qprintf.c deleted file mode 100644 index 9d3dd58..0000000 --- a/qprintf.c +++ /dev/null @@ -1,63 +0,0 @@ -/***************************************************************************** - * "Gif-Lib" - Yet another gif library. - * - * Written by: Gershon Elber IBM PC Ver 0.1, Jun. 1989 - ****************************************************************************** - * Module to emulate a printf with a possible quiet (disable mode.) - * A global variable GifQuietPrint controls the printing of this routine - ****************************************************************************** - * History: - * 12 May 91 - Version 1.0 by Gershon Elber. - *****************************************************************************/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#include - -#ifdef HAVE_STDARG_H -#include -#elif defined (HAVE_VARARGS_H) -#include -#endif /* HAVE_STDARG_H */ - -#include "gif_lib.h" - -#ifdef __MSDOS__ -int GifQuietPrint = FALSE; -#else -int GifQuietPrint = TRUE; -#endif /* __MSDOS__ */ - -/***************************************************************************** - * Same as fprintf to stderr but with optional print. - *****************************************************************************/ -#ifdef HAVE_STDARG_H -void -GifQprintf(char *Format, ...) { - char Line[128]; - va_list ArgPtr; - - va_start(ArgPtr, Format); -#else -# ifdef HAVE_VARARGS_H -void -GifQprintf(va_alist) - va_dcl -{ - char *Format, Line[128]; - va_list ArgPtr; - - va_start(ArgPtr); - Format = va_arg(ArgPtr, char *); -# endif /* HAVE_VARARGS_H */ -#endif /* HAVE_STDARG_H */ - if (GifQuietPrint) - return; - - vsprintf(Line, Format, ArgPtr); - va_end(ArgPtr); - - fputs(Line, stderr); -} diff --git a/quantize.c b/quantize.c deleted file mode 100644 index 1cbb41f..0000000 --- a/quantize.c +++ /dev/null @@ -1,330 +0,0 @@ -/***************************************************************************** - * "Gif-Lib" - Yet another gif library. - * - * Written by: Gershon Elber IBM PC Ver 0.1, Jun. 1989 - ****************************************************************************** - * Module to quatize high resolution image into lower one. You may want to - * peek into the following article this code is based on: - * "Color Image Quantization for frame buffer Display", by Paul Heckbert - * SIGGRAPH 1982 page 297-307. - ****************************************************************************** - * History: - * 5 Jan 90 - Version 1.0 by Gershon Elber. - *****************************************************************************/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#ifdef __MSDOS__ -#include -#include -#include -#endif /* __MSDOS__ */ - -#include -#include -#include "gif_lib.h" -#include "gif_lib_private.h" - -#define ABS(x) ((x) > 0 ? (x) : (-(x))) - -/* The colors are stripped to 5 bits per primary color if non MSDOS system - * or to 4 (not enough memory...) if MSDOS as first step. - */ -#ifdef __MSDOS__ -#define COLOR_ARRAY_SIZE 4096 -#define BITS_PER_PRIM_COLOR 4 -#define MAX_PRIM_COLOR 0x0f -#else -#define COLOR_ARRAY_SIZE 32768 -#define BITS_PER_PRIM_COLOR 5 -#define MAX_PRIM_COLOR 0x1f -#endif /* __MSDOS__ */ - -static int SortRGBAxis; - -typedef struct QuantizedColorType { - GifByteType RGB[3]; - GifByteType NewColorIndex; - long Count; - struct QuantizedColorType *Pnext; -} QuantizedColorType; - -typedef struct NewColorMapType { - GifByteType RGBMin[3], RGBWidth[3]; - unsigned int NumEntries; /* # of QuantizedColorType in linked list below */ - unsigned long Count; /* Total number of pixels in all the entries */ - QuantizedColorType *QuantizedColors; -} NewColorMapType; - -static int SubdivColorMap(NewColorMapType * NewColorSubdiv, - unsigned int ColorMapSize, - unsigned int *NewColorMapSize); -static int SortCmpRtn(const VoidPtr Entry1, const VoidPtr Entry2); - -/****************************************************************************** - * Quantize high resolution image into lower one. Input image consists of a - * 2D array for each of the RGB colors with size Width by Height. There is no - * Color map for the input. Output is a quantized image with 2D array of - * indexes into the output color map. - * Note input image can be 24 bits at the most (8 for red/green/blue) and - * the output has 256 colors at the most (256 entries in the color map.). - * ColorMapSize specifies size of color map up to 256 and will be updated to - * real size before returning. - * Also non of the parameter are allocated by this routine. - * This function returns GIF_OK if succesfull, GIF_ERROR otherwise. - ******************************************************************************/ -int -QuantizeBuffer(unsigned int Width, - unsigned int Height, - int *ColorMapSize, - GifByteType * RedInput, - GifByteType * GreenInput, - GifByteType * BlueInput, - GifByteType * OutputBuffer, - GifColorType * OutputColorMap) { - - unsigned int Index, NumOfEntries; - int i, j, MaxRGBError[3]; - unsigned int NewColorMapSize; - long Red, Green, Blue; - NewColorMapType NewColorSubdiv[256]; - QuantizedColorType *ColorArrayEntries, *QuantizedColor; - - ColorArrayEntries = (QuantizedColorType *)malloc( - sizeof(QuantizedColorType) * COLOR_ARRAY_SIZE); - if (ColorArrayEntries == NULL) { - _GifError = E_GIF_ERR_NOT_ENOUGH_MEM; - return GIF_ERROR; - } - - for (i = 0; i < COLOR_ARRAY_SIZE; i++) { - ColorArrayEntries[i].RGB[0] = i >> (2 * BITS_PER_PRIM_COLOR); - ColorArrayEntries[i].RGB[1] = (i >> BITS_PER_PRIM_COLOR) & - MAX_PRIM_COLOR; - ColorArrayEntries[i].RGB[2] = i & MAX_PRIM_COLOR; - ColorArrayEntries[i].Count = 0; - } - - /* Sample the colors and their distribution: */ - for (i = 0; i < (int)(Width * Height); i++) { - Index = ((RedInput[i] >> (8 - BITS_PER_PRIM_COLOR)) << - (2 * BITS_PER_PRIM_COLOR)) + - ((GreenInput[i] >> (8 - BITS_PER_PRIM_COLOR)) << - BITS_PER_PRIM_COLOR) + - (BlueInput[i] >> (8 - BITS_PER_PRIM_COLOR)); - ColorArrayEntries[Index].Count++; - } - - /* Put all the colors in the first entry of the color map, and call the - * recursive subdivision process. */ - for (i = 0; i < 256; i++) { - NewColorSubdiv[i].QuantizedColors = NULL; - NewColorSubdiv[i].Count = NewColorSubdiv[i].NumEntries = 0; - for (j = 0; j < 3; j++) { - NewColorSubdiv[i].RGBMin[j] = 0; - NewColorSubdiv[i].RGBWidth[j] = 255; - } - } - - /* Find the non empty entries in the color table and chain them: */ - for (i = 0; i < COLOR_ARRAY_SIZE; i++) - if (ColorArrayEntries[i].Count > 0) - break; - QuantizedColor = NewColorSubdiv[0].QuantizedColors = &ColorArrayEntries[i]; - NumOfEntries = 1; - while (++i < COLOR_ARRAY_SIZE) - if (ColorArrayEntries[i].Count > 0) { - QuantizedColor->Pnext = &ColorArrayEntries[i]; - QuantizedColor = &ColorArrayEntries[i]; - NumOfEntries++; - } - QuantizedColor->Pnext = NULL; - - NewColorSubdiv[0].NumEntries = NumOfEntries; /* Different sampled colors */ - NewColorSubdiv[0].Count = ((long)Width) * Height; /* Pixels */ - NewColorMapSize = 1; - if (SubdivColorMap(NewColorSubdiv, *ColorMapSize, &NewColorMapSize) != - GIF_OK) { - free((char *)ColorArrayEntries); - return GIF_ERROR; - } - if (NewColorMapSize < *ColorMapSize) { - /* And clear rest of color map: */ - for (i = NewColorMapSize; i < *ColorMapSize; i++) - OutputColorMap[i].Red = OutputColorMap[i].Green = - OutputColorMap[i].Blue = 0; - } - - /* Average the colors in each entry to be the color to be used in the - * output color map, and plug it into the output color map itself. */ - for (i = 0; i < NewColorMapSize; i++) { - if ((j = NewColorSubdiv[i].NumEntries) > 0) { - QuantizedColor = NewColorSubdiv[i].QuantizedColors; - Red = Green = Blue = 0; - while (QuantizedColor) { - QuantizedColor->NewColorIndex = i; - Red += QuantizedColor->RGB[0]; - Green += QuantizedColor->RGB[1]; - Blue += QuantizedColor->RGB[2]; - QuantizedColor = QuantizedColor->Pnext; - } - OutputColorMap[i].Red = (Red << (8 - BITS_PER_PRIM_COLOR)) / j; - OutputColorMap[i].Green = (Green << (8 - BITS_PER_PRIM_COLOR)) / j; - OutputColorMap[i].Blue = (Blue << (8 - BITS_PER_PRIM_COLOR)) / j; - } else - fprintf(stderr, - "\n%s: Null entry in quantized color map - that's weird.\n", - PROGRAM_NAME); - } - - /* Finally scan the input buffer again and put the mapped index in the - * output buffer. */ - MaxRGBError[0] = MaxRGBError[1] = MaxRGBError[2] = 0; - for (i = 0; i < (int)(Width * Height); i++) { - Index = ((RedInput[i] >> (8 - BITS_PER_PRIM_COLOR)) << - (2 * BITS_PER_PRIM_COLOR)) + - ((GreenInput[i] >> (8 - BITS_PER_PRIM_COLOR)) << - BITS_PER_PRIM_COLOR) + - (BlueInput[i] >> (8 - BITS_PER_PRIM_COLOR)); - Index = ColorArrayEntries[Index].NewColorIndex; - OutputBuffer[i] = Index; - if (MaxRGBError[0] < ABS(OutputColorMap[Index].Red - RedInput[i])) - MaxRGBError[0] = ABS(OutputColorMap[Index].Red - RedInput[i]); - if (MaxRGBError[1] < ABS(OutputColorMap[Index].Green - GreenInput[i])) - MaxRGBError[1] = ABS(OutputColorMap[Index].Green - GreenInput[i]); - if (MaxRGBError[2] < ABS(OutputColorMap[Index].Blue - BlueInput[i])) - MaxRGBError[2] = ABS(OutputColorMap[Index].Blue - BlueInput[i]); - } - -#ifdef DEBUG - fprintf(stderr, - "Quantization L(0) errors: Red = %d, Green = %d, Blue = %d.\n", - MaxRGBError[0], MaxRGBError[1], MaxRGBError[2]); -#endif /* DEBUG */ - - free((char *)ColorArrayEntries); - - *ColorMapSize = NewColorMapSize; - - return GIF_OK; -} - -/****************************************************************************** - * Routine to subdivide the RGB space recursively using median cut in each - * axes alternatingly until ColorMapSize different cubes exists. - * The biggest cube in one dimension is subdivide unless it has only one entry. - * Returns GIF_ERROR if failed, otherwise GIF_OK. - ******************************************************************************/ -static int -SubdivColorMap(NewColorMapType * NewColorSubdiv, - unsigned int ColorMapSize, - unsigned int *NewColorMapSize) { - - int MaxSize; - unsigned int i, j, Index = 0, NumEntries, MinColor, MaxColor; - long Sum, Count; - QuantizedColorType *QuantizedColor, **SortArray; - - while (ColorMapSize > *NewColorMapSize) { - /* Find candidate for subdivision: */ - MaxSize = -1; - for (i = 0; i < *NewColorMapSize; i++) { - for (j = 0; j < 3; j++) { - if ((((int)NewColorSubdiv[i].RGBWidth[j]) > MaxSize) && - (NewColorSubdiv[i].NumEntries > 1)) { - MaxSize = NewColorSubdiv[i].RGBWidth[j]; - Index = i; - SortRGBAxis = j; - } - } - } - - if (MaxSize == -1) - return GIF_OK; - - /* Split the entry Index into two along the axis SortRGBAxis: */ - - /* Sort all elements in that entry along the given axis and split at - * the median. */ - SortArray = (QuantizedColorType **)malloc( - sizeof(QuantizedColorType *) * - NewColorSubdiv[Index].NumEntries); - if (SortArray == NULL) - return GIF_ERROR; - for (j = 0, QuantizedColor = NewColorSubdiv[Index].QuantizedColors; - j < NewColorSubdiv[Index].NumEntries && QuantizedColor != NULL; - j++, QuantizedColor = QuantizedColor->Pnext) - SortArray[j] = QuantizedColor; - - qsort(SortArray, NewColorSubdiv[Index].NumEntries, - sizeof(QuantizedColorType *), SortCmpRtn); - - /* Relink the sorted list into one: */ - for (j = 0; j < NewColorSubdiv[Index].NumEntries - 1; j++) - SortArray[j]->Pnext = SortArray[j + 1]; - SortArray[NewColorSubdiv[Index].NumEntries - 1]->Pnext = NULL; - NewColorSubdiv[Index].QuantizedColors = QuantizedColor = SortArray[0]; - free((char *)SortArray); - - /* Now simply add the Counts until we have half of the Count: */ - Sum = NewColorSubdiv[Index].Count / 2 - QuantizedColor->Count; - NumEntries = 1; - Count = QuantizedColor->Count; - while ((Sum -= QuantizedColor->Pnext->Count) >= 0 && - QuantizedColor->Pnext != NULL && - QuantizedColor->Pnext->Pnext != NULL) { - QuantizedColor = QuantizedColor->Pnext; - NumEntries++; - Count += QuantizedColor->Count; - } - /* Save the values of the last color of the first half, and first - * of the second half so we can update the Bounding Boxes later. - * Also as the colors are quantized and the BBoxes are full 0..255, - * they need to be rescaled. - */ - MaxColor = QuantizedColor->RGB[SortRGBAxis]; /* Max. of first half */ - MinColor = QuantizedColor->Pnext->RGB[SortRGBAxis]; /* of second */ - MaxColor <<= (8 - BITS_PER_PRIM_COLOR); - MinColor <<= (8 - BITS_PER_PRIM_COLOR); - - /* Partition right here: */ - NewColorSubdiv[*NewColorMapSize].QuantizedColors = - QuantizedColor->Pnext; - QuantizedColor->Pnext = NULL; - NewColorSubdiv[*NewColorMapSize].Count = Count; - NewColorSubdiv[Index].Count -= Count; - NewColorSubdiv[*NewColorMapSize].NumEntries = - NewColorSubdiv[Index].NumEntries - NumEntries; - NewColorSubdiv[Index].NumEntries = NumEntries; - for (j = 0; j < 3; j++) { - NewColorSubdiv[*NewColorMapSize].RGBMin[j] = - NewColorSubdiv[Index].RGBMin[j]; - NewColorSubdiv[*NewColorMapSize].RGBWidth[j] = - NewColorSubdiv[Index].RGBWidth[j]; - } - NewColorSubdiv[*NewColorMapSize].RGBWidth[SortRGBAxis] = - NewColorSubdiv[*NewColorMapSize].RGBMin[SortRGBAxis] + - NewColorSubdiv[*NewColorMapSize].RGBWidth[SortRGBAxis] - MinColor; - NewColorSubdiv[*NewColorMapSize].RGBMin[SortRGBAxis] = MinColor; - - NewColorSubdiv[Index].RGBWidth[SortRGBAxis] = - MaxColor - NewColorSubdiv[Index].RGBMin[SortRGBAxis]; - - (*NewColorMapSize)++; - } - - return GIF_OK; -} - -/**************************************************************************** - * Routine called by qsort to compare to entries. - ****************************************************************************/ -static int -SortCmpRtn(const VoidPtr Entry1, - const VoidPtr Entry2) { - - return (*((QuantizedColorType **) Entry1))->RGB[SortRGBAxis] - - (*((QuantizedColorType **) Entry2))->RGB[SortRGBAxis]; -} -- cgit v1.2.3