diff options
Diffstat (limited to 'giflib-4.1.6/util/gifovly.c')
-rw-r--r-- | giflib-4.1.6/util/gifovly.c | 127 |
1 files changed, 0 insertions, 127 deletions
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 <config.h> -#endif - -#ifdef __MSDOS__ -#include <dos.h> -#include <alloc.h> -#include <graphics.h> -#include <io.h> -#endif /* __MSDOS__ */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#ifdef HAVE_FCNTL_H -#include <fcntl.h> -#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 */ |