diff options
Diffstat (limited to 'giflib-4.1.6/util/gifcolor.c')
| -rw-r--r-- | giflib-4.1.6/util/gifcolor.c | 189 |
1 files changed, 0 insertions, 189 deletions
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 <config.h> -#endif - -#ifdef __MSDOS__ -#include <stdlib.h> -#include <alloc.h> -#endif /* __MSDOS__ */ - -#ifndef __MSDOS__ -#include <stdlib.h> -#endif -#include <stdio.h> -#include <ctype.h> -#include <string.h> -#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); -} |