diff options
Diffstat (limited to 'giflib-4.1.6/util/gif2ps.c')
| -rw-r--r-- | giflib-4.1.6/util/gif2ps.c | 404 |
1 files changed, 0 insertions, 404 deletions
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 <config.h> -#endif - -#ifdef __MSDOS__ -#include <graphics.h> -#include <stdlib.h> -#include <alloc.h> -#include <io.h> -#include <dos.h> -#include <bios.h> -#endif /* __MSDOS__ */ - -#ifndef __MSDOS__ -#include <stdlib.h> -#endif -#include <stdio.h> -#include <ctype.h> -#include <string.h> -#ifdef HAVE_FCNTL_H -#include <fcntl.h> -#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]); - } -} |