+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
/* $Id$ */
/*
* Matthew S. Wilson <msw@rpath.com>
* Modifications Copyright (C) 2005 rpath, Inc.
*
- * FIXME: refactor to remove use of global variables
*/
#include <stdio.h>
#include <string.h>
#include <unistd.h>
+#include <glib.h>
+#include <glib/gstdio.h>
+
#include "tiff2ps.h"
/*
#define FALSE 0
#endif
-static int ascii85 = FALSE; /* use ASCII85 encoding */
-static int interpolate = TRUE; /* interpolate level2 image */
-static int level2 = FALSE; /* generate PostScript level 2 */
-static int level3 = FALSE; /* generate PostScript level 3 */
-static int printAll = FALSE; /* print all images in file */
-static int generateEPSF = FALSE; /* generate Encapsulated PostScript */
-static int PSduplex = FALSE; /* enable duplex printing */
-static int PStumble = FALSE; /* enable top edge binding */
-static int PSavoiddeadzone = TRUE; /* enable avoiding printer deadzone */
-static double maxPageHeight = 0; /* maximum size to fit on page */
-static double splitOverlap = 0; /* amount for split pages to overlag */
-static int rotate = FALSE; /* rotate image by 180 degrees */
-static char *filename = NULL; /* input filename */
-static int useImagemask = FALSE; /* Use imagemask instead of image operator */
-static uint16 res_unit = 0; /* Resolution units: 2 - inches, 3 - cm */
-/*
- * ASCII85 Encoding Support.
- */
-static unsigned char ascii85buf[10];
-static int ascii85count;
-static int ascii85breaklen;
-
-static void PSpage(FILE*, TIFF*, uint32, uint32);
-static void PSColorContigPreamble(FILE*, uint32, uint32, int);
-static void PSColorSeparatePreamble(FILE*, uint32, uint32, int);
-static void PSDataColorContig(FILE*, TIFF*, uint32, uint32, int);
-static void PSDataColorSeparate(FILE*, TIFF*, uint32, uint32, int);
-static void PSDataPalette(FILE*, TIFF*, uint32, uint32);
-static void PSDataBW(FILE*, TIFF*, uint32, uint32);
-static void Ascii85Init(void);
-static void Ascii85Put(unsigned char code, FILE* fd);
-static void Ascii85Flush(FILE* fd);
-static void PSHead(FILE*, TIFF*, uint32, uint32, double, double, double, double);
+struct _TIFF2PSContext
+{
+ char *filename; /* input filename */
+ FILE *fd; /* output file stream */
+ int ascii85; /* use ASCII85 encoding */
+ int interpolate; /* interpolate level2 image */
+ int level2; /* generate PostScript level 2 */
+ int level3; /* generate PostScript level 3 */
+ int generateEPSF; /* generate Encapsulated PostScript */
+ int PSduplex; /* enable duplex printing */
+ int PStumble; /* enable top edge binding */
+ int PSavoiddeadzone; /* enable avoiding printer deadzone */
+ double maxPageHeight; /* maximum size to fit on page */
+ double splitOverlap; /* amount for split pages to overlag */
+ int rotate; /* rotate image by 180 degrees */
+ int useImagemask; /* Use imagemask instead of image operator */
+ uint16 res_unit; /* Resolution units: 2 - inches, 3 - cm */
+ int npages; /* number of pages processed */
+
+ tsize_t tf_bytesperrow;
+ tsize_t ps_bytesperrow;
+ tsize_t tf_rowsperstrip;
+ tsize_t tf_numberstrips;
-#if defined( EXP_ASCII85ENCODER)
-static int Ascii85EncodeBlock( uint8 * ascii85_p, unsigned f_eod, const uint8 * raw_p, int raw_l );
+ /*
+ * ASCII85 Encoding Support.
+ */
+ unsigned char ascii85buf[10];
+ int ascii85count;
+ int ascii85breaklen;
+ uint16 samplesperpixel;
+ uint16 bitspersample;
+ uint16 planarconfiguration;
+ uint16 photometric;
+ uint16 compression;
+ uint16 extrasamples;
+ int alpha;
+};
+
+static void PSpage(TIFF2PSContext*, TIFF*, uint32, uint32);
+static void PSColorContigPreamble(TIFF2PSContext*, uint32, uint32, int);
+static void PSColorSeparatePreamble(TIFF2PSContext*, uint32, uint32, int);
+static void PSDataColorContig(TIFF2PSContext*, TIFF*, uint32, uint32, int);
+static void PSDataColorSeparate(TIFF2PSContext*, TIFF*, uint32, uint32, int);
+static void PSDataPalette(TIFF2PSContext*, TIFF*, uint32, uint32);
+static void PSDataBW(TIFF2PSContext*, TIFF*, uint32, uint32);
+static void Ascii85Init(TIFF2PSContext*);
+static void Ascii85Put(TIFF2PSContext*, unsigned char);
+static void Ascii85Flush(TIFF2PSContext*);
+static void PSHead(TIFF2PSContext*, TIFF*, uint32, uint32,
+ double, double, double, double);
+static void PSTail(TIFF2PSContext*);
+
+#if defined( EXP_ASCII85ENCODER )
+static int Ascii85EncodeBlock(TIFF2PSContext*, uint8 * ascii85_p,
+ unsigned f_eod, const uint8 * raw_p, int raw_l);
#endif
-static uint16 samplesperpixel;
-static uint16 bitspersample;
-static uint16 planarconfiguration;
-static uint16 photometric;
-static uint16 compression;
-static uint16 extrasamples;
-static int alpha;
+TIFF2PSContext* tiff2ps_context_new(const gchar *filename) {
+ TIFF2PSContext* ctx;
+
+ ctx = g_new0(TIFF2PSContext, 1);
+ ctx->filename = g_strdup(filename);
+ ctx->fd = g_fopen(ctx->filename, "w");
+ if (ctx->fd == NULL)
+ return NULL;
+ ctx->interpolate = TRUE; /* interpolate level2 image */
+ ctx->PSavoiddeadzone = TRUE; /* enable avoiding printer deadzone */
+ return ctx;
+}
+
+void tiff2ps_context_finalize(TIFF2PSContext *ctx) {
+ PSTail(ctx);
+ fclose(ctx->fd);
+ g_free(ctx->filename);
+ g_free(ctx);
+}
static int
-checkImage(TIFF* tif)
+checkImage(TIFF2PSContext *ctx, TIFF* tif)
{
- switch (photometric) {
+ switch (ctx->photometric) {
case PHOTOMETRIC_YCBCR:
- if ((compression == COMPRESSION_JPEG || compression == COMPRESSION_OJPEG)
- && planarconfiguration == PLANARCONFIG_CONTIG) {
+ if ((ctx->compression == COMPRESSION_JPEG
+ || ctx->compression == COMPRESSION_OJPEG)
+ && ctx->planarconfiguration == PLANARCONFIG_CONTIG) {
/* can rely on libjpeg to convert to RGB */
TIFFSetField(tif, TIFFTAG_JPEGCOLORMODE,
JPEGCOLORMODE_RGB);
- photometric = PHOTOMETRIC_RGB;
+ ctx->photometric = PHOTOMETRIC_RGB;
} else {
- if (level2 || level3)
+ if (ctx->level2 || ctx->level3)
break;
- TIFFError(filename, "Can not handle image with %s",
- "PhotometricInterpretation=YCbCr");
+ TIFFError(ctx->filename, "Can not handle image with %s",
+ "Ctx->PhotometricInterpretation=YCbCr");
return (0);
}
/* fall thru... */
case PHOTOMETRIC_RGB:
- if (alpha && bitspersample != 8) {
- TIFFError(filename,
- "Can not handle %d-bit/sample RGB image with alpha",
- bitspersample);
+ if (ctx->alpha && ctx->bitspersample != 8) {
+ TIFFError(ctx->filename,
+ "Can not handle %d-bit/sample RGB image with ctx->alpha",
+ ctx->bitspersample);
return (0);
}
/* fall thru... */
break;
case PHOTOMETRIC_LOGL:
case PHOTOMETRIC_LOGLUV:
- if (compression != COMPRESSION_SGILOG &&
- compression != COMPRESSION_SGILOG24) {
- TIFFError(filename,
- "Can not handle %s data with compression other than SGILog",
- (photometric == PHOTOMETRIC_LOGL) ?
+ if (ctx->compression != COMPRESSION_SGILOG &&
+ ctx->compression != COMPRESSION_SGILOG24) {
+ TIFFError(ctx->filename,
+ "Can not handle %s data with ctx->compression other than SGILog",
+ (ctx->photometric == PHOTOMETRIC_LOGL) ?
"LogL" : "LogLuv"
);
return (0);
}
/* rely on library to convert to RGB/greyscale */
TIFFSetField(tif, TIFFTAG_SGILOGDATAFMT, SGILOGDATAFMT_8BIT);
- photometric = (photometric == PHOTOMETRIC_LOGL) ?
+ ctx->photometric = (ctx->photometric == PHOTOMETRIC_LOGL) ?
PHOTOMETRIC_MINISBLACK : PHOTOMETRIC_RGB;
- bitspersample = 8;
+ ctx->bitspersample = 8;
break;
case PHOTOMETRIC_CIELAB:
/* fall thru... */
default:
- TIFFError(filename,
- "Can not handle image with PhotometricInterpretation=%d",
- photometric);
+ TIFFError(ctx->filename,
+ "Can not handle image with Ctx->PhotometricInterpretation=%d",
+ ctx->photometric);
return (0);
}
- switch (bitspersample) {
+ switch (ctx->bitspersample) {
case 1: case 2:
case 4: case 8:
break;
default:
- TIFFError(filename, "Can not handle %d-bit/sample image",
- bitspersample);
+ TIFFError(ctx->filename, "Can not handle %d-bit/sample image",
+ ctx->bitspersample);
return (0);
}
- if (planarconfiguration == PLANARCONFIG_SEPARATE && extrasamples > 0)
- TIFFWarning(filename, "Ignoring extra samples");
+ if (ctx->planarconfiguration == PLANARCONFIG_SEPARATE &&
+ ctx->extrasamples > 0)
+ TIFFWarning(ctx->filename, "Ignoring extra samples");
return (1);
}
* It is claimed to be part of some future revision of the EPS spec.
*/
static void
-PhotoshopBanner(FILE* fd, uint32 w, uint32 h, int bs, int nc, char* startline)
+PhotoshopBanner(TIFF2PSContext* ctx, uint32 w, uint32 h, int bs, int nc,
+ char* startline)
{
- fprintf(fd, "%%ImageData: %ld %ld %d %d 0 %d 2 \"",
- (long) w, (long) h, bitspersample, nc, bs);
- fprintf(fd, startline, nc);
- fprintf(fd, "\"\n");
+ fprintf(ctx->fd, "%%ImageData: %ld %ld %d %d 0 %d 2 \"",
+ (long) w, (long) h, ctx->bitspersample, nc, bs);
+ fprintf(ctx->fd, startline, nc);
+ fprintf(ctx->fd, "\"\n");
}
/*
* pprh : image height in PS units (72 dpi)
*/
static void
-setupPageState(TIFF* tif, uint32* pw, uint32* ph, double* pprw, double* pprh)
+setupPageState(TIFF2PSContext *ctx, TIFF* tif, uint32* pw, uint32* ph,
+ double* pprw, double* pprh)
{
float xres = 0.0F, yres = 0.0F;
TIFFGetField(tif, TIFFTAG_IMAGEWIDTH, pw);
TIFFGetField(tif, TIFFTAG_IMAGELENGTH, ph);
- if (res_unit == 0)
- TIFFGetFieldDefaulted(tif, TIFFTAG_RESOLUTIONUNIT, &res_unit);
+ if (ctx->res_unit == 0)
+ TIFFGetFieldDefaulted(tif, TIFFTAG_RESOLUTIONUNIT, &ctx->res_unit);
/*
* Calculate printable area.
*/
if (!TIFFGetField(tif, TIFFTAG_YRESOLUTION, &yres)
|| fabs(yres) < 0.0000001)
yres = PS_UNIT_SIZE;
- switch (res_unit) {
+ switch (ctx->res_unit) {
case RESUNIT_CENTIMETER:
xres *= 2.54F, yres *= 2.54F;
break;
compress == COMPRESSION_CCITTRLEW);
}
-static tsize_t tf_bytesperrow;
-static tsize_t ps_bytesperrow;
-static tsize_t tf_rowsperstrip;
-static tsize_t tf_numberstrips;
static char *hex = "0123456789abcdef";
/*
* pagewidth & pageheight are inches
*/
static int
-PlaceImage(FILE *fp, double pagewidth, double pageheight,
+PlaceImage(TIFF2PSContext *ctx, double pagewidth, double pageheight,
double imagewidth, double imageheight, int splitpage,
double lm, double bm, int cnt)
{
pagewidth *= PS_UNIT_SIZE;
pageheight *= PS_UNIT_SIZE;
- if (maxPageHeight==0)
+ if (ctx->maxPageHeight==0)
splitheight = 0;
else
- splitheight = maxPageHeight * PS_UNIT_SIZE;
- overlap = splitOverlap * PS_UNIT_SIZE;
+ splitheight = ctx->maxPageHeight * PS_UNIT_SIZE;
+ overlap = ctx->splitOverlap * PS_UNIT_SIZE;
/*
* WIDTH:
bottom_offset += ytran / (cnt?2:1);
if (cnt)
left_offset += xtran / 2;
- fprintf(fp, "%f %f translate\n", left_offset, bottom_offset);
- fprintf(fp, "%f %f scale\n", xscale, yscale);
- if (rotate)
- fputs ("1 1 translate 180 rotate\n", fp);
+ fprintf(ctx->fd, "%f %f translate\n", left_offset, bottom_offset);
+ fprintf(ctx->fd, "%f %f scale\n", xscale, yscale);
+ if (ctx->rotate)
+ fputs ("1 1 translate 180 ctx->rotate\n", ctx->fd);
return splitpage;
}
void
-TIFF2PS(FILE* fd, TIFF* tif,
- double pw, double ph, double lm, double bm, int cnt, int *npages)
+tiff2ps_process_page(TIFF2PSContext* ctx, TIFF* tif, double pw, double ph,
+ double lm, double bm, gboolean cnt)
{
uint32 w, h;
float ox, oy;
double scale = 1.0;
double left_offset = lm * PS_UNIT_SIZE;
double bottom_offset = bm * PS_UNIT_SIZE;
- uint32 subfiletype;
uint16* sampleinfo;
int split;
ox = 0;
if (!TIFFGetField(tif, TIFFTAG_YPOSITION, &oy))
oy = 0;
- setupPageState(tif, &w, &h, &prw, &prh);
-
- do {
- tf_numberstrips = TIFFNumberOfStrips(tif);
- TIFFGetFieldDefaulted(tif, TIFFTAG_ROWSPERSTRIP,
- &tf_rowsperstrip);
- setupPageState(tif, &w, &h, &prw, &prh);
- if (!*npages)
- PSHead(fd, tif, w, h, prw, prh, ox, oy);
- TIFFGetFieldDefaulted(tif, TIFFTAG_BITSPERSAMPLE,
- &bitspersample);
- TIFFGetFieldDefaulted(tif, TIFFTAG_SAMPLESPERPIXEL,
- &samplesperpixel);
- TIFFGetFieldDefaulted(tif, TIFFTAG_PLANARCONFIG,
- &planarconfiguration);
- TIFFGetField(tif, TIFFTAG_COMPRESSION, &compression);
- TIFFGetFieldDefaulted(tif, TIFFTAG_EXTRASAMPLES,
- &extrasamples, &sampleinfo);
- alpha = (extrasamples == 1 &&
- sampleinfo[0] == EXTRASAMPLE_ASSOCALPHA);
- if (!TIFFGetField(tif, TIFFTAG_PHOTOMETRIC, &photometric)) {
- switch (samplesperpixel - extrasamples) {
- case 1:
- if (isCCITTCompression(tif))
- photometric = PHOTOMETRIC_MINISWHITE;
- else
- photometric = PHOTOMETRIC_MINISBLACK;
- break;
- case 3:
- photometric = PHOTOMETRIC_RGB;
- break;
- case 4:
- photometric = PHOTOMETRIC_SEPARATED;
- break;
- }
+ setupPageState(ctx, tif, &w, &h, &prw, &prh);
+
+ ctx->tf_numberstrips = TIFFNumberOfStrips(tif);
+ TIFFGetFieldDefaulted(tif, TIFFTAG_ROWSPERSTRIP,
+ &ctx->tf_rowsperstrip);
+ setupPageState(ctx, tif, &w, &h, &prw, &prh);
+ if (!ctx->npages)
+ PSHead(ctx, tif, w, h, prw, prh, ox, oy);
+ TIFFGetFieldDefaulted(tif, TIFFTAG_BITSPERSAMPLE,
+ &ctx->bitspersample);
+ TIFFGetFieldDefaulted(tif, TIFFTAG_SAMPLESPERPIXEL,
+ &ctx->samplesperpixel);
+ TIFFGetFieldDefaulted(tif, TIFFTAG_PLANARCONFIG,
+ &ctx->planarconfiguration);
+ TIFFGetField(tif, TIFFTAG_COMPRESSION, &ctx->compression);
+ TIFFGetFieldDefaulted(tif, TIFFTAG_EXTRASAMPLES,
+ &ctx->extrasamples, &sampleinfo);
+ ctx->alpha = (ctx->extrasamples == 1 &&
+ sampleinfo[0] == EXTRASAMPLE_ASSOCALPHA);
+ if (!TIFFGetField(tif, TIFFTAG_PHOTOMETRIC, &ctx->photometric)) {
+ switch (ctx->samplesperpixel - ctx->extrasamples) {
+ case 1:
+ if (isCCITTCompression(tif))
+ ctx->photometric = PHOTOMETRIC_MINISWHITE;
+ else
+ ctx->photometric = PHOTOMETRIC_MINISBLACK;
+ break;
+ case 3:
+ ctx->photometric = PHOTOMETRIC_RGB;
+ break;
+ case 4:
+ ctx->photometric = PHOTOMETRIC_SEPARATED;
+ break;
}
- if (checkImage(tif)) {
- tf_bytesperrow = TIFFScanlineSize(tif);
- *npages = *npages + 1;
- fprintf(fd, "%%%%Page: %d %d\n", *npages, *npages);
- if (!generateEPSF && ( level2 || level3 )) {
- double psw = 0.0, psh = 0.0;
- if (psw != 0.0) {
- psw = pw * PS_UNIT_SIZE;
- if (res_unit == RESUNIT_CENTIMETER)
- psw *= 2.54F;
- } else
- psw=rotate ? prh:prw;
- if (psh != 0.0) {
- psh = ph * PS_UNIT_SIZE;
- if (res_unit == RESUNIT_CENTIMETER)
- psh *= 2.54F;
- } else
- psh=rotate ? prw:prh;
- fprintf(fd,
- "1 dict begin /PageSize [ %f %f ] def currentdict end setpagedevice\n",
- psw, psh);
- fputs(
- "<<\n /Policies <<\n /PageSize 3\n >>\n>> setpagedevice\n",
- fd);
- }
- fprintf(fd, "gsave\n");
- fprintf(fd, "100 dict begin\n");
- if (pw != 0 || ph != 0) {
- if (!pw)
- pw = prw;
- if (!ph)
- ph = prh;
- if (maxPageHeight) { /* used -H option */
- split = PlaceImage(fd,pw,ph,prw,prh,
- 0,lm,bm,cnt);
- while( split ) {
- PSpage(fd, tif, w, h);
- fprintf(fd, "end\n");
- fprintf(fd, "grestore\n");
- fprintf(fd, "showpage\n");
- *npages = *npages + 1;
- fprintf(fd, "%%%%Page: %d %d\n",
- *npages, *npages);
- fprintf(fd, "gsave\n");
- fprintf(fd, "100 dict begin\n");
- split = PlaceImage(fd,pw,ph,prw,prh,
- split,lm,bm,cnt);
- }
- } else {
- pw *= PS_UNIT_SIZE;
- ph *= PS_UNIT_SIZE;
-
- /* NB: maintain image aspect ratio */
- scale = pw/prw < ph/prh ?
- pw/prw : ph/prh;
- if (scale > 1.0)
- scale = 1.0;
- if (cnt) {
- bottom_offset +=
- (ph - prh * scale) / 2;
- left_offset +=
- (pw - prw * scale) / 2;
- }
- fprintf(fd, "%f %f translate\n",
- left_offset, bottom_offset);
- fprintf(fd, "%f %f scale\n",
- prw * scale, prh * scale);
- if (rotate)
- fputs ("1 1 translate 180 rotate\n", fd);
+ }
+ if (checkImage(ctx, tif)) {
+ ctx->tf_bytesperrow = TIFFScanlineSize(tif);
+ ctx->npages++;
+ fprintf(ctx->fd, "%%%%Page: %d %d\n", ctx->npages,
+ ctx->npages);
+ if (!ctx->generateEPSF && ( ctx->level2 || ctx->level3 )) {
+ double psw = 0.0, psh = 0.0;
+ if (psw != 0.0) {
+ psw = pw * PS_UNIT_SIZE;
+ if (ctx->res_unit == RESUNIT_CENTIMETER)
+ psw *= 2.54F;
+ } else
+ psw=ctx->rotate ? prh:prw;
+ if (psh != 0.0) {
+ psh = ph * PS_UNIT_SIZE;
+ if (ctx->res_unit == RESUNIT_CENTIMETER)
+ psh *= 2.54F;
+ } else
+ psh=ctx->rotate ? prw:prh;
+ fprintf(ctx->fd,
+ "1 dict begin /PageSize [ %f %f ] def currentdict end setpagedevice\n",
+ psw, psh);
+ fputs(
+ "<<\n /Policies <<\n /PageSize 3\n >>\n>> setpagedevice\n",
+ ctx->fd);
+ }
+ fprintf(ctx->fd, "gsave\n");
+ fprintf(ctx->fd, "100 dict begin\n");
+ if (pw != 0 || ph != 0) {
+ if (!pw)
+ pw = prw;
+ if (!ph)
+ ph = prh;
+ if (ctx->maxPageHeight) { /* used -H option */
+ split = PlaceImage(ctx,pw,ph,prw,prh,
+ 0,lm,bm,cnt);
+ while( split ) {
+ PSpage(ctx, tif, w, h);
+ fprintf(ctx->fd, "end\n");
+ fprintf(ctx->fd, "grestore\n");
+ fprintf(ctx->fd, "showpage\n");
+ ctx->npages++;
+ fprintf(ctx->fd, "%%%%Page: %d %d\n",
+ ctx->npages, ctx->npages);
+ fprintf(ctx->fd, "gsave\n");
+ fprintf(ctx->fd, "100 dict begin\n");
+ split = PlaceImage(ctx,pw,ph,prw,prh,
+ split,lm,bm,cnt);
}
} else {
- fprintf(fd, "%f %f scale\n", prw, prh);
- if (rotate)
- fputs ("1 1 translate 180 rotate\n", fd);
+ pw *= PS_UNIT_SIZE;
+ ph *= PS_UNIT_SIZE;
+
+ /* NB: maintain image aspect ratio */
+ scale = pw/prw < ph/prh ?
+ pw/prw : ph/prh;
+ if (scale > 1.0)
+ scale = 1.0;
+ if (cnt) {
+ bottom_offset +=
+ (ph - prh * scale) / 2;
+ left_offset +=
+ (pw - prw * scale) / 2;
+ }
+ fprintf(ctx->fd, "%f %f translate\n",
+ left_offset, bottom_offset);
+ fprintf(ctx->fd, "%f %f scale\n",
+ prw * scale, prh * scale);
+ if (ctx->rotate)
+ fputs ("1 1 translate 180 ctx->rotate\n", ctx->fd);
}
- PSpage(fd, tif, w, h);
- fprintf(fd, "end\n");
- fprintf(fd, "grestore\n");
- fprintf(fd, "showpage\n");
+ } else {
+ fprintf(ctx->fd, "%f %f scale\n", prw, prh);
+ if (ctx->rotate)
+ fputs ("1 1 translate 180 ctx->rotate\n", ctx->fd);
}
- if (generateEPSF)
- break;
- TIFFGetFieldDefaulted(tif, TIFFTAG_SUBFILETYPE, &subfiletype);
- } while (((subfiletype & FILETYPE_PAGE) || printAll) &&
- TIFFReadDirectory(tif));
+ PSpage(ctx, tif, w, h);
+ fprintf(ctx->fd, "end\n");
+ fprintf(ctx->fd, "grestore\n");
+ fprintf(ctx->fd, "showpage\n");
+ }
}
";
void
-PSHead(FILE *fd, TIFF *tif, uint32 w, uint32 h,
+PSHead(TIFF2PSContext *ctx, TIFF *tif, uint32 w, uint32 h,
double pw, double ph, double ox, double oy)
{
time_t t;
(void) tif; (void) w; (void) h;
t = time(0);
- fprintf(fd, "%%!PS-Adobe-3.0%s\n", generateEPSF ? " EPSF-3.0" : "");
- fprintf(fd, "%%%%Creator: Evince\n");
- fprintf(fd, "%%%%CreationDate: %s", ctime(&t));
- fprintf(fd, "%%%%DocumentData: Clean7Bit\n");
- fprintf(fd, "%%%%Origin: %ld %ld\n", (long) ox, (long) oy);
+ fprintf(ctx->fd, "%%!PS-Adobe-3.0%s\n",
+ ctx->generateEPSF ? " EPSF-3.0" : "");
+ fprintf(ctx->fd, "%%%%Creator: Evince\n");
+ fprintf(ctx->fd, "%%%%CreationDate: %s", ctime(&t));
+ fprintf(ctx->fd, "%%%%DocumentData: Clean7Bit\n");
+ fprintf(ctx->fd, "%%%%Origin: %ld %ld\n", (long) ox, (long) oy);
/* NB: should use PageBoundingBox */
- fprintf(fd, "%%%%BoundingBox: 0 0 %ld %ld\n",
- (long) ceil(pw), (long) ceil(ph));
- fprintf(fd, "%%%%LanguageLevel: %d\n", (level3 ? 3 : (level2 ? 2 : 1)));
- fprintf(fd, "%%%%Pages: (atend)\n");
- fprintf(fd, "%%%%EndComments\n");
- fprintf(fd, "%%%%BeginSetup\n");
- if (PSduplex)
- fprintf(fd, "%s", DuplexPreamble);
- if (PStumble)
- fprintf(fd, "%s", TumblePreamble);
- if (PSavoiddeadzone && (level2 || level3))
- fprintf(fd, "%s", AvoidDeadZonePreamble);
- fprintf(fd, "%%%%EndSetup\n");
+ fprintf(ctx->fd, "%%%%BoundingBox: 0 0 %ld %ld\n",
+ (long) ceil(pw), (long) ceil(ph));
+ fprintf(ctx->fd, "%%%%LanguageLevel: %d\n",
+ (ctx->level3 ? 3 : (ctx->level2 ? 2 : 1)));
+ fprintf(ctx->fd, "%%%%Pages: (atend)\n");
+ fprintf(ctx->fd, "%%%%EndComments\n");
+ fprintf(ctx->fd, "%%%%BeginSetup\n");
+ if (ctx->PSduplex)
+ fprintf(ctx->fd, "%s", DuplexPreamble);
+ if (ctx->PStumble)
+ fprintf(ctx->fd, "%s", TumblePreamble);
+ if (ctx->PSavoiddeadzone && (ctx->level2 || ctx->level3))
+ fprintf(ctx->fd, "%s", AvoidDeadZonePreamble);
+ fprintf(ctx->fd, "%%%%EndSetup\n");
}
-void
-TIFFPSTail(FILE *fd, int npages)
+static void
+PSTail(TIFF2PSContext *ctx)
{
- fprintf(fd, "%%%%Trailer\n");
- fprintf(fd, "%%%%Pages: %d\n", npages);
- fprintf(fd, "%%%%EOF\n");
+ if (!ctx->npages)
+ return;
+ fprintf(ctx->fd, "%%%%Trailer\n");
+ fprintf(ctx->fd, "%%%%Pages: %d\n", ctx->npages);
+ fprintf(ctx->fd, "%%%%EOF\n");
}
static int
-checkcmap(TIFF* tif, int n, uint16* r, uint16* g, uint16* b)
+checkcmap(TIFF2PSContext* ctx, TIFF* tif, int n,
+ uint16* r, uint16* g, uint16* b)
{
(void) tif;
while (n-- > 0)
if (*r++ >= 256 || *g++ >= 256 || *b++ >= 256)
return (16);
- TIFFWarning(filename, "Assuming 8-bit colormap");
+ TIFFWarning(ctx->filename, "Assuming 8-bit colormap");
return (8);
}
static void
-PS_Lvl2colorspace(FILE* fd, TIFF* tif)
+PS_Lvl2colorspace(TIFF2PSContext* ctx, TIFF* tif)
{
uint16 *rmap, *gmap, *bmap;
int i, num_colors;
const char * colorspace_p;
- switch ( photometric )
+ switch ( ctx->photometric )
{
case PHOTOMETRIC_SEPARATED:
colorspace_p = "CMYK";
* Set up PostScript Level 2 colorspace according to
* section 4.8 in the PostScript refenence manual.
*/
- fputs("% PostScript Level 2 only.\n", fd);
- if (photometric != PHOTOMETRIC_PALETTE) {
- if (photometric == PHOTOMETRIC_YCBCR) {
+ fputs("% PostScript Level 2 only.\n", ctx->fd);
+ if (ctx->photometric != PHOTOMETRIC_PALETTE) {
+ if (ctx->photometric == PHOTOMETRIC_YCBCR) {
/* MORE CODE HERE */
}
- fprintf(fd, "/Device%s setcolorspace\n", colorspace_p );
+ fprintf(ctx->fd, "/Device%s setcolorspace\n", colorspace_p );
return;
}
/*
* Set up an indexed/palette colorspace
*/
- num_colors = (1 << bitspersample);
+ num_colors = (1 << ctx->bitspersample);
if (!TIFFGetField(tif, TIFFTAG_COLORMAP, &rmap, &gmap, &bmap)) {
- TIFFError(filename,
+ TIFFError(ctx->filename,
"Palette image w/o \"Colormap\" tag");
return;
}
- if (checkcmap(tif, num_colors, rmap, gmap, bmap) == 16) {
+ if (checkcmap(ctx, tif, num_colors, rmap, gmap, bmap) == 16) {
/*
* Convert colormap to 8-bits values.
*/
}
#undef CVT
}
- fprintf(fd, "[ /Indexed /DeviceRGB %d", num_colors - 1);
- if (ascii85) {
- Ascii85Init();
- fputs("\n<~", fd);
- ascii85breaklen -= 2;
+ fprintf(ctx->fd, "[ /Indexed /DeviceRGB %d", num_colors - 1);
+ if (ctx->ascii85) {
+ Ascii85Init(ctx);
+ fputs("\n<~", ctx->fd);
+ ctx->ascii85breaklen -= 2;
} else
- fputs(" <", fd);
+ fputs(" <", ctx->fd);
for (i = 0; i < num_colors; i++) {
- if (ascii85) {
- Ascii85Put((unsigned char)rmap[i], fd);
- Ascii85Put((unsigned char)gmap[i], fd);
- Ascii85Put((unsigned char)bmap[i], fd);
+ if (ctx->ascii85) {
+ Ascii85Put(ctx, (unsigned char)rmap[i]);
+ Ascii85Put(ctx, (unsigned char)gmap[i]);
+ Ascii85Put(ctx, (unsigned char)bmap[i]);
} else {
- fputs((i % 8) ? " " : "\n ", fd);
- fprintf(fd, "%02x%02x%02x",
+ fputs((i % 8) ? " " : "\n ", ctx->fd);
+ fprintf(ctx->fd, "%02x%02x%02x",
rmap[i], gmap[i], bmap[i]);
}
}
- if (ascii85)
- Ascii85Flush(fd);
+ if (ctx->ascii85)
+ Ascii85Flush(ctx);
else
- fputs(">\n", fd);
- fputs("] setcolorspace\n", fd);
+ fputs(">\n", ctx->fd);
+ fputs("] setcolorspace\n", ctx->fd);
}
static int
-PS_Lvl2ImageDict(FILE* fd, TIFF* tif, uint32 w, uint32 h)
+PS_Lvl2ImageDict(TIFF2PSContext* ctx, TIFF* tif, uint32 w, uint32 h)
{
int use_rawdata;
uint32 tile_width, tile_height;
char im_h[64], im_x[64], im_y[64];
char * imageOp = "image";
- if ( useImagemask && (bitspersample == 1) )
+ if ( ctx->useImagemask && (ctx->bitspersample == 1) )
imageOp = "imagemask";
(void)strcpy(im_x, "0");
* The tiles does not fit image width and height.
* Set up a clip rectangle for the image unit square.
*/
- fputs("0 0 1 1 rectclip\n", fd);
+ fputs("0 0 1 1 rectclip\n", ctx->fd);
}
if (tile_width < w) {
- fputs("/im_x 0 def\n", fd);
+ fputs("/im_x 0 def\n", ctx->fd);
(void)strcpy(im_x, "im_x neg");
}
if (tile_height < h) {
- fputs("/im_y 0 def\n", fd);
+ fputs("/im_y 0 def\n", ctx->fd);
(void)sprintf(im_y, "%lu im_y sub", (unsigned long) h);
}
} else {
- repeat_count = tf_numberstrips;
- tile_height = tf_rowsperstrip;
+ repeat_count = ctx->tf_numberstrips;
+ tile_height = ctx->tf_rowsperstrip;
if (tile_height > h)
tile_height = h;
if (repeat_count > 1) {
- fputs("/im_y 0 def\n", fd);
- fprintf(fd, "/im_h %lu def\n",
+ fputs("/im_y 0 def\n", ctx->fd);
+ fprintf(ctx->fd, "/im_h %lu def\n",
(unsigned long) tile_height);
(void)strcpy(im_h, "im_h");
(void)sprintf(im_y, "%lu im_y sub", (unsigned long) h);
/*
* Output start of exec block
*/
- fputs("{ % exec\n", fd);
+ fputs("{ % exec\n", ctx->fd);
if (repeat_count > 1)
- fprintf(fd, "%d { %% repeat\n", repeat_count);
+ fprintf(ctx->fd, "%d { %% repeat\n", repeat_count);
/*
* Output filter options and image dictionary.
*/
- if (ascii85)
+ if (ctx->ascii85)
fputs(" /im_stream currentfile /ASCII85Decode filter def\n",
- fd);
- fputs(" <<\n", fd);
- fputs(" /ImageType 1\n", fd);
- fprintf(fd, " /Width %lu\n", (unsigned long) tile_width);
+ ctx->fd);
+ fputs(" <<\n", ctx->fd);
+ fputs(" /ImageType 1\n", ctx->fd);
+ fprintf(ctx->fd, " /Width %lu\n", (unsigned long) tile_width);
/*
* Workaround for some software that may crash when last strip
* of image contains fewer number of scanlines than specified
* contain number of scanlines in tile (or image height in case of
* one-stripped image).
*/
- if (TIFFIsTiled(tif) || tf_numberstrips == 1)
- fprintf(fd, " /Height %lu\n", (unsigned long) tile_height);
+ if (TIFFIsTiled(tif) || ctx->tf_numberstrips == 1)
+ fprintf(ctx->fd, " /Height %lu\n", (unsigned long) tile_height);
else
- fprintf(fd, " /Height im_h\n");
+ fprintf(ctx->fd, " /Height im_h\n");
- if (planarconfiguration == PLANARCONFIG_SEPARATE && samplesperpixel > 1)
- fputs(" /MultipleDataSources true\n", fd);
- fprintf(fd, " /ImageMatrix [ %lu 0 0 %ld %s %s ]\n",
+ if (ctx->planarconfiguration == PLANARCONFIG_SEPARATE && ctx->samplesperpixel > 1)
+ fputs(" /MultipleDataSources true\n", ctx->fd);
+ fprintf(ctx->fd, " /ImageMatrix [ %lu 0 0 %ld %s %s ]\n",
(unsigned long) w, - (long)h, im_x, im_y);
- fprintf(fd, " /BitsPerComponent %d\n", bitspersample);
- fprintf(fd, " /Interpolate %s\n", interpolate ? "true" : "false");
+ fprintf(ctx->fd, " /BitsPerComponent %d\n", ctx->bitspersample);
+ fprintf(ctx->fd, " /Ctx->Interpolate %s\n", ctx->interpolate ? "true" : "false");
- switch (samplesperpixel - extrasamples) {
+ switch (ctx->samplesperpixel - ctx->extrasamples) {
case 1:
- switch (photometric) {
+ switch (ctx->photometric) {
case PHOTOMETRIC_MINISBLACK:
- fputs(" /Decode [0 1]\n", fd);
+ fputs(" /Decode [0 1]\n", ctx->fd);
break;
case PHOTOMETRIC_MINISWHITE:
- switch (compression) {
+ switch (ctx->compression) {
case COMPRESSION_CCITTRLE:
case COMPRESSION_CCITTRLEW:
case COMPRESSION_CCITTFAX3:
* Manage inverting with /Blackis1 flag
* since there migth be uncompressed parts
*/
- fputs(" /Decode [0 1]\n", fd);
+ fputs(" /Decode [0 1]\n", ctx->fd);
break;
default:
/*
* ERROR...
*/
- fputs(" /Decode [1 0]\n", fd);
+ fputs(" /Decode [1 0]\n", ctx->fd);
break;
}
break;
&minsamplevalue);
TIFFGetFieldDefaulted(tif, TIFFTAG_MAXSAMPLEVALUE,
&maxsamplevalue);
- fprintf(fd, " /Decode [%u %u]\n",
+ fprintf(ctx->fd, " /Decode [%u %u]\n",
minsamplevalue, maxsamplevalue);
break;
default:
/*
* ERROR ?
*/
- fputs(" /Decode [0 1]\n", fd);
+ fputs(" /Decode [0 1]\n", ctx->fd);
break;
}
break;
case 3:
- switch (photometric) {
+ switch (ctx->photometric) {
case PHOTOMETRIC_RGB:
- fputs(" /Decode [0 1 0 1 0 1]\n", fd);
+ fputs(" /Decode [0 1 0 1 0 1]\n", ctx->fd);
break;
case PHOTOMETRIC_MINISWHITE:
case PHOTOMETRIC_MINISBLACK:
/*
* ERROR??
*/
- fputs(" /Decode [0 1 0 1 0 1]\n", fd);
+ fputs(" /Decode [0 1 0 1 0 1]\n", ctx->fd);
break;
}
break;
/*
* ERROR??
*/
- fputs(" /Decode [0 1 0 1 0 1 0 1]\n", fd);
+ fputs(" /Decode [0 1 0 1 0 1 0 1]\n", ctx->fd);
break;
}
- fputs(" /DataSource", fd);
- if (planarconfiguration == PLANARCONFIG_SEPARATE &&
- samplesperpixel > 1)
- fputs(" [", fd);
- if (ascii85)
- fputs(" im_stream", fd);
+ fputs(" /DataSource", ctx->fd);
+ if (ctx->planarconfiguration == PLANARCONFIG_SEPARATE &&
+ ctx->samplesperpixel > 1)
+ fputs(" [", ctx->fd);
+ if (ctx->ascii85)
+ fputs(" im_stream", ctx->fd);
else
- fputs(" currentfile /ASCIIHexDecode filter", fd);
+ fputs(" currentfile /ASCIIHexDecode filter", ctx->fd);
use_rawdata = TRUE;
- switch (compression) {
+ switch (ctx->compression) {
case COMPRESSION_NONE: /* 1: uncompressed */
break;
case COMPRESSION_CCITTRLE: /* 2: CCITT modified Huffman RLE */
case COMPRESSION_CCITTRLEW: /* 32771: #1 w/ word alignment */
case COMPRESSION_CCITTFAX3: /* 3: CCITT Group 3 fax encoding */
case COMPRESSION_CCITTFAX4: /* 4: CCITT Group 4 fax encoding */
- fputs("\n\t<<\n", fd);
- if (compression == COMPRESSION_CCITTFAX3) {
+ fputs("\n\t<<\n", ctx->fd);
+ if (ctx->compression == COMPRESSION_CCITTFAX3) {
uint32 g3_options;
- fputs("\t /EndOfLine true\n", fd);
- fputs("\t /EndOfBlock false\n", fd);
+ fputs("\t /EndOfLine true\n", ctx->fd);
+ fputs("\t /EndOfBlock false\n", ctx->fd);
if (!TIFFGetField(tif, TIFFTAG_GROUP3OPTIONS,
&g3_options))
g3_options = 0;
if (g3_options & GROUP3OPT_2DENCODING)
- fprintf(fd, "\t /K %s\n", im_h);
+ fprintf(ctx->fd, "\t /K %s\n", im_h);
if (g3_options & GROUP3OPT_UNCOMPRESSED)
- fputs("\t /Uncompressed true\n", fd);
+ fputs("\t /Uncompressed true\n", ctx->fd);
if (g3_options & GROUP3OPT_FILLBITS)
- fputs("\t /EncodedByteAlign true\n", fd);
+ fputs("\t /EncodedByteAlign true\n", ctx->fd);
}
- if (compression == COMPRESSION_CCITTFAX4) {
+ if (ctx->compression == COMPRESSION_CCITTFAX4) {
uint32 g4_options;
- fputs("\t /K -1\n", fd);
+ fputs("\t /K -1\n", ctx->fd);
TIFFGetFieldDefaulted(tif, TIFFTAG_GROUP4OPTIONS,
&g4_options);
if (g4_options & GROUP4OPT_UNCOMPRESSED)
- fputs("\t /Uncompressed true\n", fd);
+ fputs("\t /Uncompressed true\n", ctx->fd);
}
if (!(tile_width == w && w == 1728U))
- fprintf(fd, "\t /Columns %lu\n",
+ fprintf(ctx->fd, "\t /Columns %lu\n",
(unsigned long) tile_width);
- fprintf(fd, "\t /Rows %s\n", im_h);
- if (compression == COMPRESSION_CCITTRLE ||
- compression == COMPRESSION_CCITTRLEW) {
- fputs("\t /EncodedByteAlign true\n", fd);
- fputs("\t /EndOfBlock false\n", fd);
+ fprintf(ctx->fd, "\t /Rows %s\n", im_h);
+ if (ctx->compression == COMPRESSION_CCITTRLE ||
+ ctx->compression == COMPRESSION_CCITTRLEW) {
+ fputs("\t /EncodedByteAlign true\n", ctx->fd);
+ fputs("\t /EndOfBlock false\n", ctx->fd);
}
- if (photometric == PHOTOMETRIC_MINISBLACK)
- fputs("\t /BlackIs1 true\n", fd);
- fprintf(fd, "\t>> /CCITTFaxDecode filter");
+ if (ctx->photometric == PHOTOMETRIC_MINISBLACK)
+ fputs("\t /BlackIs1 true\n", ctx->fd);
+ fprintf(ctx->fd, "\t>> /CCITTFaxDecode filter");
break;
case COMPRESSION_LZW: /* 5: Lempel-Ziv & Welch */
TIFFGetFieldDefaulted(tif, TIFFTAG_PREDICTOR, &predictor);
if (predictor == 2) {
- fputs("\n\t<<\n", fd);
- fprintf(fd, "\t /Predictor %u\n", predictor);
- fprintf(fd, "\t /Columns %lu\n",
+ fputs("\n\t<<\n", ctx->fd);
+ fprintf(ctx->fd, "\t /Predictor %u\n", predictor);
+ fprintf(ctx->fd, "\t /Columns %lu\n",
(unsigned long) tile_width);
- fprintf(fd, "\t /Colors %u\n", samplesperpixel);
- fprintf(fd, "\t /BitsPerComponent %u\n",
- bitspersample);
- fputs("\t>>", fd);
+ fprintf(ctx->fd, "\t /Colors %u\n", ctx->samplesperpixel);
+ fprintf(ctx->fd, "\t /BitsPerComponent %u\n",
+ ctx->bitspersample);
+ fputs("\t>>", ctx->fd);
}
- fputs(" /LZWDecode filter", fd);
+ fputs(" /LZWDecode filter", ctx->fd);
break;
case COMPRESSION_DEFLATE: /* 5: ZIP */
case COMPRESSION_ADOBE_DEFLATE:
- if ( level3 ) {
+ if ( ctx->level3 ) {
TIFFGetFieldDefaulted(tif, TIFFTAG_PREDICTOR, &predictor);
if (predictor > 1) {
- fprintf(fd, "\t %% PostScript Level 3 only.");
- fputs("\n\t<<\n", fd);
- fprintf(fd, "\t /Predictor %u\n", predictor);
- fprintf(fd, "\t /Columns %lu\n",
+ fprintf(ctx->fd, "\t %% PostScript Level 3 only.");
+ fputs("\n\t<<\n", ctx->fd);
+ fprintf(ctx->fd, "\t /Predictor %u\n", predictor);
+ fprintf(ctx->fd, "\t /Columns %lu\n",
(unsigned long) tile_width);
- fprintf(fd, "\t /Colors %u\n", samplesperpixel);
- fprintf(fd, "\t /BitsPerComponent %u\n",
- bitspersample);
- fputs("\t>>", fd);
+ fprintf(ctx->fd, "\t /Colors %u\n", ctx->samplesperpixel);
+ fprintf(ctx->fd, "\t /BitsPerComponent %u\n",
+ ctx->bitspersample);
+ fputs("\t>>", ctx->fd);
}
- fputs(" /FlateDecode filter", fd);
+ fputs(" /FlateDecode filter", ctx->fd);
} else {
use_rawdata = FALSE ;
}
break;
case COMPRESSION_PACKBITS: /* 32773: Macintosh RLE */
- fputs(" /RunLengthDecode filter", fd);
+ fputs(" /RunLengthDecode filter", ctx->fd);
use_rawdata = TRUE;
break;
case COMPRESSION_OJPEG: /* 6: !6.0 JPEG */
- case COMPRESSION_JPEG: /* 7: %JPEG DCT compression */
+ case COMPRESSION_JPEG: /* 7: %JPEG DCT ctx->compression */
#ifdef notdef
/*
* Code not tested yet
*/
- fputs(" /DCTDecode filter", fd);
+ fputs(" /DCTDecode filter", ctx->fd);
use_rawdata = TRUE;
#else
use_rawdata = FALSE;
use_rawdata = FALSE;
break;
}
- if (planarconfiguration == PLANARCONFIG_SEPARATE &&
- samplesperpixel > 1) {
+ if (ctx->planarconfiguration == PLANARCONFIG_SEPARATE &&
+ ctx->samplesperpixel > 1) {
uint16 i;
/*
* NOTE: This code does not work yet...
*/
- for (i = 1; i < samplesperpixel; i++)
- fputs(" dup", fd);
- fputs(" ]", fd);
+ for (i = 1; i < ctx->samplesperpixel; i++)
+ fputs(" dup", ctx->fd);
+ fputs(" ]", ctx->fd);
}
- fprintf( fd, "\n >> %s\n", imageOp );
- if (ascii85)
- fputs(" im_stream status { im_stream flushfile } if\n", fd);
+ fprintf( ctx->fd, "\n >> %s\n", imageOp );
+ if (ctx->ascii85)
+ fputs(" im_stream status { im_stream flushfile } if\n", ctx->fd);
if (repeat_count > 1) {
if (tile_width < w) {
- fprintf(fd, " /im_x im_x %lu add def\n",
+ fprintf(ctx->fd, " /im_x im_x %lu add def\n",
(unsigned long) tile_width);
if (tile_height < h) {
- fprintf(fd, " im_x %lu ge {\n",
+ fprintf(ctx->fd, " im_x %lu ge {\n",
(unsigned long) w);
- fputs(" /im_x 0 def\n", fd);
- fprintf(fd, " /im_y im_y %lu add def\n",
+ fputs(" /im_x 0 def\n", ctx->fd);
+ fprintf(ctx->fd, " /im_y im_y %lu add def\n",
(unsigned long) tile_height);
- fputs(" } if\n", fd);
+ fputs(" } if\n", ctx->fd);
}
}
if (tile_height < h) {
if (tile_width >= w) {
- fprintf(fd, " /im_y im_y %lu add def\n",
+ fprintf(ctx->fd, " /im_y im_y %lu add def\n",
(unsigned long) tile_height);
if (!TIFFIsTiled(tif)) {
- fprintf(fd, " /im_h %lu im_y sub",
+ fprintf(ctx->fd, " /im_h %lu im_y sub",
(unsigned long) h);
- fprintf(fd, " dup %lu gt { pop",
+ fprintf(ctx->fd, " dup %lu gt { pop",
(unsigned long) tile_height);
- fprintf(fd, " %lu } if def\n",
+ fprintf(ctx->fd, " %lu } if def\n",
(unsigned long) tile_height);
}
}
}
- fputs("} repeat\n", fd);
+ fputs("} repeat\n", ctx->fd);
}
/*
* End of exec function
*/
- fputs("}\n", fd);
+ fputs("}\n", ctx->fd);
return(use_rawdata);
}
#define MAXLINE 36
static int
-PS_Lvl2page(FILE* fd, TIFF* tif, uint32 w, uint32 h)
+PS_Lvl2page(TIFF2PSContext* ctx, TIFF* tif, uint32 w, uint32 h)
{
uint16 fillorder;
int use_rawdata, tiled_image, breaklen = MAXLINE;
uint8 * ascii85_p = 0; /* Holds ASCII85 encoded data */
#endif
- PS_Lvl2colorspace(fd, tif);
- use_rawdata = PS_Lvl2ImageDict(fd, tif, w, h);
+ PS_Lvl2colorspace(ctx, tif);
+ use_rawdata = PS_Lvl2ImageDict(ctx, tif, w, h);
/* See http://bugzilla.remotesensing.org/show_bug.cgi?id=80 */
#ifdef ENABLE_BROKEN_BEGINENDDATA
- fputs("%%BeginData:\n", fd);
+ fputs("%%BeginData:\n", ctx->fd);
#endif
- fputs("exec\n", fd);
+ fputs("exec\n", ctx->fd);
tiled_image = TIFFIsTiled(tif);
if (tiled_image) {
}
buf_data = (unsigned char *)_TIFFmalloc(chunk_size);
if (!buf_data) {
- TIFFError(filename, "Can't alloc %u bytes for %s.",
+ TIFFError(ctx->filename, "Can't alloc %u bytes for %s.",
chunk_size, tiled_image ? "tiles" : "strips");
return(FALSE);
}
#if defined( EXP_ASCII85ENCODER )
- if ( ascii85 ) {
+ if ( ctx->ascii85 ) {
/*
* Allocate a buffer to hold the ASCII85 encoded data. Note
* that it is allocated with sufficient room to hold the
if ( !ascii85_p ) {
_TIFFfree( buf_data );
- TIFFError( filename, "Cannot allocate ASCII85 encoding buffer." );
+ TIFFError( ctx->filename,
+ "Cannot allocate ASCII85 encoding buffer." );
return ( FALSE );
}
}
TIFFGetFieldDefaulted(tif, TIFFTAG_FILLORDER, &fillorder);
for (chunk_no = 0; chunk_no < num_chunks; chunk_no++) {
- if (ascii85)
- Ascii85Init();
+ if (ctx->ascii85)
+ Ascii85Init(ctx);
else
breaklen = MAXLINE;
if (use_rawdata) {
chunk_size);
}
if (byte_count < 0) {
- TIFFError(filename, "Can't read %s %d.",
+ TIFFError(ctx->filename, "Can't read %s %d.",
tiled_image ? "tile" : "strip", chunk_no);
- if (ascii85)
- Ascii85Put('\0', fd);
+ if (ctx->ascii85)
+ Ascii85Put(ctx, '\0');
}
/*
- * For images with alpha, matte against a white background;
+ * For images with ctx->alpha, matte against a white background;
* i.e. Cback * (1 - Aimage) where Cback = 1. We will fill the
* lower part of the buffer with the modified values.
*
* XXX: needs better solution
*/
- if (alpha) {
+ if (ctx->alpha) {
int adjust, i, j = 0;
- int ncomps = samplesperpixel - extrasamples;
- for (i = 0; i < byte_count; i+=samplesperpixel) {
+ int ncomps = ctx->samplesperpixel - ctx->extrasamples;
+ for (i = 0; i < byte_count; i+=ctx->samplesperpixel) {
adjust = 255 - buf_data[i + ncomps];
switch (ncomps) {
case 1:
byte_count -= j;
}
- if (ascii85) {
+ if (ctx->ascii85) {
#if defined( EXP_ASCII85ENCODER )
- ascii85_l = Ascii85EncodeBlock(ascii85_p, 1, buf_data, byte_count );
+ ascii85_l = Ascii85EncodeBlock(ctx, ascii85_p, 1,
+ buf_data, byte_count);
if ( ascii85_l > 0 )
- fwrite( ascii85_p, ascii85_l, 1, fd );
+ fwrite( ascii85_p, ascii85_l, 1, ctx->fd );
#else
for (cp = buf_data; byte_count > 0; byte_count--)
- Ascii85Put(*cp++, fd);
+ Ascii85Put(ctx, *cp++);
#endif
}
else
{
for (cp = buf_data; byte_count > 0; byte_count--) {
- putc(hex[((*cp)>>4)&0xf], fd);
- putc(hex[(*cp)&0xf], fd);
+ putc(hex[((*cp)>>4)&0xf], ctx->fd);
+ putc(hex[(*cp)&0xf], ctx->fd);
cp++;
if (--breaklen <= 0) {
- putc('\n', fd);
+ putc('\n', ctx->fd);
breaklen = MAXLINE;
}
}
}
- if ( !ascii85 ) {
- if ( level2 || level3 )
- putc( '>', fd );
- putc('\n', fd);
+ if ( !ctx->ascii85 ) {
+ if ( ctx->level2 || ctx->level3 )
+ putc( '>', ctx->fd );
+ putc('\n', ctx->fd);
}
#if !defined( EXP_ASCII85ENCODER )
else
- Ascii85Flush(fd);
+ Ascii85Flush(ctx);
#endif
}
#endif
_TIFFfree(buf_data);
#ifdef ENABLE_BROKEN_BEGINENDDATA
- fputs("%%EndData\n", fd);
+ fputs("%%EndData\n", ctx->fd);
#endif
return(TRUE);
}
void
-PSpage(FILE* fd, TIFF* tif, uint32 w, uint32 h)
+PSpage(TIFF2PSContext* ctx, TIFF* tif, uint32 w, uint32 h)
{
- char * imageOp = "image";
+ char *imageOp = "image";
- if ( useImagemask && (bitspersample == 1) )
+ if ( ctx->useImagemask && (ctx->bitspersample == 1) )
imageOp = "imagemask";
- if ((level2 || level3) && PS_Lvl2page(fd, tif, w, h))
+ if ((ctx->level2 || ctx->level3) && PS_Lvl2page(ctx, tif, w, h))
return;
- ps_bytesperrow = tf_bytesperrow - (extrasamples * bitspersample / 8)*w;
- switch (photometric) {
+ ctx->ps_bytesperrow = ctx->tf_bytesperrow - (ctx->extrasamples * ctx->bitspersample / 8)*w;
+ switch (ctx->photometric) {
case PHOTOMETRIC_RGB:
- if (planarconfiguration == PLANARCONFIG_CONTIG) {
- fprintf(fd, "%s", RGBcolorimage);
- PSColorContigPreamble(fd, w, h, 3);
- PSDataColorContig(fd, tif, w, h, 3);
+ if (ctx->planarconfiguration == PLANARCONFIG_CONTIG) {
+ fprintf(ctx->fd, "%s", RGBcolorimage);
+ PSColorContigPreamble(ctx, w, h, 3);
+ PSDataColorContig(ctx, tif, w, h, 3);
} else {
- PSColorSeparatePreamble(fd, w, h, 3);
- PSDataColorSeparate(fd, tif, w, h, 3);
+ PSColorSeparatePreamble(ctx, w, h, 3);
+ PSDataColorSeparate(ctx, tif, w, h, 3);
}
break;
case PHOTOMETRIC_SEPARATED:
/* XXX should emit CMYKcolorimage */
- if (planarconfiguration == PLANARCONFIG_CONTIG) {
- PSColorContigPreamble(fd, w, h, 4);
- PSDataColorContig(fd, tif, w, h, 4);
+ if (ctx->planarconfiguration == PLANARCONFIG_CONTIG) {
+ PSColorContigPreamble(ctx, w, h, 4);
+ PSDataColorContig(ctx, tif, w, h, 4);
} else {
- PSColorSeparatePreamble(fd, w, h, 4);
- PSDataColorSeparate(fd, tif, w, h, 4);
+ PSColorSeparatePreamble(ctx, w, h, 4);
+ PSDataColorSeparate(ctx, tif, w, h, 4);
}
break;
case PHOTOMETRIC_PALETTE:
- fprintf(fd, "%s", RGBcolorimage);
- PhotoshopBanner(fd, w, h, 1, 3, "false 3 colorimage");
- fprintf(fd, "/scanLine %ld string def\n",
- (long) ps_bytesperrow * 3L);
- fprintf(fd, "%lu %lu 8\n",
- (unsigned long) w, (unsigned long) h);
- fprintf(fd, "[%lu 0 0 -%lu 0 %lu]\n",
- (unsigned long) w, (unsigned long) h, (unsigned long) h);
- fprintf(fd, "{currentfile scanLine readhexstring pop} bind\n");
- fprintf(fd, "false 3 colorimage\n");
- PSDataPalette(fd, tif, w, h);
+ fprintf(ctx->fd, "%s", RGBcolorimage);
+ PhotoshopBanner(ctx, w, h, 1, 3, "false 3 colorimage");
+ fprintf(ctx->fd, "/scanLine %ld string def\n",
+ (long) ctx->ps_bytesperrow * 3L);
+ fprintf(ctx->fd, "%lu %lu 8\n",
+ (unsigned long) w, (unsigned long) h);
+ fprintf(ctx->fd, "[%lu 0 0 -%lu 0 %lu]\n",
+ (unsigned long) w, (unsigned long) h,
+ (unsigned long) h);
+ fprintf(ctx->fd,
+ "{currentfile scanLine readhexstring pop} bind\n");
+ fprintf(ctx->fd, "false 3 colorimage\n");
+ PSDataPalette(ctx, tif, w, h);
break;
case PHOTOMETRIC_MINISBLACK:
case PHOTOMETRIC_MINISWHITE:
- PhotoshopBanner(fd, w, h, 1, 1, imageOp);
- fprintf(fd, "/scanLine %ld string def\n",
- (long) ps_bytesperrow);
- fprintf(fd, "%lu %lu %d\n",
- (unsigned long) w, (unsigned long) h, bitspersample);
- fprintf(fd, "[%lu 0 0 -%lu 0 %lu]\n",
+ PhotoshopBanner(ctx, w, h, 1, 1, imageOp);
+ fprintf(ctx->fd, "/scanLine %ld string def\n",
+ (long) ctx->ps_bytesperrow);
+ fprintf(ctx->fd, "%lu %lu %d\n",
+ (unsigned long) w, (unsigned long) h, ctx->bitspersample);
+ fprintf(ctx->fd, "[%lu 0 0 -%lu 0 %lu]\n",
(unsigned long) w, (unsigned long) h, (unsigned long) h);
- fprintf(fd,
+ fprintf(ctx->fd,
"{currentfile scanLine readhexstring pop} bind\n");
- fprintf(fd, "%s\n", imageOp);
- PSDataBW(fd, tif, w, h);
+ fprintf(ctx->fd, "%s\n", imageOp);
+ PSDataBW(ctx, tif, w, h);
break;
}
- putc('\n', fd);
+ putc('\n', ctx->fd);
}
void
-PSColorContigPreamble(FILE* fd, uint32 w, uint32 h, int nc)
+PSColorContigPreamble(TIFF2PSContext* ctx, uint32 w, uint32 h, int nc)
{
- ps_bytesperrow = nc * (tf_bytesperrow / samplesperpixel);
- PhotoshopBanner(fd, w, h, 1, nc, "false %d colorimage");
- fprintf(fd, "/line %ld string def\n", (long) ps_bytesperrow);
- fprintf(fd, "%lu %lu %d\n",
- (unsigned long) w, (unsigned long) h, bitspersample);
- fprintf(fd, "[%lu 0 0 -%lu 0 %lu]\n",
+ ctx->ps_bytesperrow = nc * (ctx->tf_bytesperrow / ctx->samplesperpixel);
+ PhotoshopBanner(ctx, w, h, 1, nc, "false %d colorimage");
+ fprintf(ctx->fd, "/line %ld string def\n", (long) ctx->ps_bytesperrow);
+ fprintf(ctx->fd, "%lu %lu %d\n",
+ (unsigned long) w, (unsigned long) h, ctx->bitspersample);
+ fprintf(ctx->fd, "[%lu 0 0 -%lu 0 %lu]\n",
(unsigned long) w, (unsigned long) h, (unsigned long) h);
- fprintf(fd, "{currentfile line readhexstring pop} bind\n");
- fprintf(fd, "false %d colorimage\n", nc);
+ fprintf(ctx->fd, "{currentfile line readhexstring pop} bind\n");
+ fprintf(ctx->fd, "false %d colorimage\n", nc);
}
void
-PSColorSeparatePreamble(FILE* fd, uint32 w, uint32 h, int nc)
+PSColorSeparatePreamble(TIFF2PSContext* ctx, uint32 w, uint32 h, int nc)
{
int i;
- PhotoshopBanner(fd, w, h, ps_bytesperrow, nc, "true %d colorimage");
+ PhotoshopBanner(ctx, w, h, ctx->ps_bytesperrow, nc, "true %d colorimage");
for (i = 0; i < nc; i++)
- fprintf(fd, "/line%d %ld string def\n",
- i, (long) ps_bytesperrow);
- fprintf(fd, "%lu %lu %d\n",
- (unsigned long) w, (unsigned long) h, bitspersample);
- fprintf(fd, "[%lu 0 0 -%lu 0 %lu] \n",
+ fprintf(ctx->fd, "/line%d %ld string def\n",
+ i, (long) ctx->ps_bytesperrow);
+ fprintf(ctx->fd, "%lu %lu %d\n",
+ (unsigned long) w, (unsigned long) h, ctx->bitspersample);
+ fprintf(ctx->fd, "[%lu 0 0 -%lu 0 %lu] \n",
(unsigned long) w, (unsigned long) h, (unsigned long) h);
for (i = 0; i < nc; i++)
- fprintf(fd, "{currentfile line%d readhexstring pop}bind\n", i);
- fprintf(fd, "true %d colorimage\n", nc);
+ fprintf(ctx->fd, "{currentfile line%d readhexstring pop}bind\n", i);
+ fprintf(ctx->fd, "true %d colorimage\n", nc);
}
#define DOBREAK(len, howmany, fd) \
#define PUTHEX(c,fd) putc(hex[((c)>>4)&0xf],fd); putc(hex[(c)&0xf],fd)
void
-PSDataColorContig(FILE* fd, TIFF* tif, uint32 w, uint32 h, int nc)
+PSDataColorContig(TIFF2PSContext* ctx, TIFF* tif, uint32 w, uint32 h, int nc)
{
uint32 row;
- int breaklen = MAXLINE, cc, es = samplesperpixel - nc;
+ int breaklen = MAXLINE, cc, es = ctx->samplesperpixel - nc;
unsigned char *tf_buf;
unsigned char *cp, c;
(void) w;
- tf_buf = (unsigned char *) _TIFFmalloc(tf_bytesperrow);
+ tf_buf = (unsigned char *) _TIFFmalloc(ctx->tf_bytesperrow);
if (tf_buf == NULL) {
- TIFFError(filename, "No space for scanline buffer");
+ TIFFError(ctx->filename, "No space for scanline buffer");
return;
}
for (row = 0; row < h; row++) {
if (TIFFReadScanline(tif, tf_buf, row, 0) < 0)
break;
cp = tf_buf;
- if (alpha) {
+ if (ctx->alpha) {
int adjust;
cc = 0;
- for (; cc < tf_bytesperrow; cc += samplesperpixel) {
- DOBREAK(breaklen, nc, fd);
+ for (; cc < ctx->tf_bytesperrow; cc += ctx->samplesperpixel) {
+ DOBREAK(breaklen, nc, ctx->fd);
/*
- * For images with alpha, matte against
+ * For images with ctx->alpha, matte against
* a white background; i.e.
* Cback * (1 - Aimage)
* where Cback = 1.
*/
adjust = 255 - cp[nc];
switch (nc) {
- case 4: c = *cp++ + adjust; PUTHEX(c,fd);
- case 3: c = *cp++ + adjust; PUTHEX(c,fd);
- case 2: c = *cp++ + adjust; PUTHEX(c,fd);
- case 1: c = *cp++ + adjust; PUTHEX(c,fd);
+ case 4: c = *cp++ + adjust; PUTHEX(c,ctx->fd);
+ case 3: c = *cp++ + adjust; PUTHEX(c,ctx->fd);
+ case 2: c = *cp++ + adjust; PUTHEX(c,ctx->fd);
+ case 1: c = *cp++ + adjust; PUTHEX(c,ctx->fd);
}
cp += es;
}
} else {
cc = 0;
- for (; cc < tf_bytesperrow; cc += samplesperpixel) {
- DOBREAK(breaklen, nc, fd);
+ for (; cc < ctx->tf_bytesperrow; cc += ctx->samplesperpixel) {
+ DOBREAK(breaklen, nc, ctx->fd);
switch (nc) {
- case 4: c = *cp++; PUTHEX(c,fd);
- case 3: c = *cp++; PUTHEX(c,fd);
- case 2: c = *cp++; PUTHEX(c,fd);
- case 1: c = *cp++; PUTHEX(c,fd);
+ case 4: c = *cp++; PUTHEX(c,ctx->fd);
+ case 3: c = *cp++; PUTHEX(c,ctx->fd);
+ case 2: c = *cp++; PUTHEX(c,ctx->fd);
+ case 1: c = *cp++; PUTHEX(c,ctx->fd);
}
cp += es;
}
}
void
-PSDataColorSeparate(FILE* fd, TIFF* tif, uint32 w, uint32 h, int nc)
+PSDataColorSeparate(TIFF2PSContext* ctx, TIFF* tif, uint32 w, uint32 h, int nc)
{
uint32 row;
int breaklen = MAXLINE, cc;
unsigned char *cp, c;
(void) w;
- tf_buf = (unsigned char *) _TIFFmalloc(tf_bytesperrow);
+ tf_buf = (unsigned char *) _TIFFmalloc(ctx->tf_bytesperrow);
if (tf_buf == NULL) {
- TIFFError(filename, "No space for scanline buffer");
+ TIFFError(ctx->filename, "No space for scanline buffer");
return;
}
- maxs = (samplesperpixel > nc ? nc : samplesperpixel);
+ maxs = (ctx->samplesperpixel > nc ? nc : ctx->samplesperpixel);
for (row = 0; row < h; row++) {
for (s = 0; s < maxs; s++) {
if (TIFFReadScanline(tif, tf_buf, row, s) < 0)
break;
- for (cp = tf_buf, cc = 0; cc < tf_bytesperrow; cc++) {
- DOBREAK(breaklen, 1, fd);
+ for (cp = tf_buf, cc = 0; cc < ctx->tf_bytesperrow; cc++) {
+ DOBREAK(breaklen, 1, ctx->fd);
c = *cp++;
- PUTHEX(c,fd);
+ PUTHEX(c,ctx->fd);
}
}
}
PUTHEX(rmap[c],fd); PUTHEX(gmap[c],fd); PUTHEX(bmap[c],fd)
void
-PSDataPalette(FILE* fd, TIFF* tif, uint32 w, uint32 h)
+PSDataPalette(TIFF2PSContext* ctx, TIFF* tif, uint32 w, uint32 h)
{
uint16 *rmap, *gmap, *bmap;
uint32 row;
(void) w;
if (!TIFFGetField(tif, TIFFTAG_COLORMAP, &rmap, &gmap, &bmap)) {
- TIFFError(filename, "Palette image w/o \"Colormap\" tag");
+ TIFFError(ctx->filename, "Palette image w/o \"Colormap\" tag");
return;
}
- switch (bitspersample) {
+ switch (ctx->bitspersample) {
case 8: case 4: case 2: case 1:
break;
default:
- TIFFError(filename, "Depth %d not supported", bitspersample);
+ TIFFError(ctx->filename, "Depth %d not supported", ctx->bitspersample);
return;
}
- nc = 3 * (8 / bitspersample);
- tf_buf = (unsigned char *) _TIFFmalloc(tf_bytesperrow);
+ nc = 3 * (8 / ctx->bitspersample);
+ tf_buf = (unsigned char *) _TIFFmalloc(ctx->tf_bytesperrow);
if (tf_buf == NULL) {
- TIFFError(filename, "No space for scanline buffer");
+ TIFFError(ctx->filename, "No space for scanline buffer");
return;
}
- if (checkcmap(tif, 1<<bitspersample, rmap, gmap, bmap) == 16) {
+ if (checkcmap(ctx, tif, 1<<ctx->bitspersample, rmap, gmap, bmap) == 16) {
int i;
#define CVT(x) ((unsigned short) (((x) * 255) / ((1U<<16)-1)))
- for (i = (1<<bitspersample)-1; i >= 0; i--) {
+ for (i = (1<<ctx->bitspersample)-1; i >= 0; i--) {
rmap[i] = CVT(rmap[i]);
gmap[i] = CVT(gmap[i]);
bmap[i] = CVT(bmap[i]);
for (row = 0; row < h; row++) {
if (TIFFReadScanline(tif, tf_buf, row, 0) < 0)
break;
- for (cp = tf_buf, cc = 0; cc < tf_bytesperrow; cc++) {
- DOBREAK(breaklen, nc, fd);
- switch (bitspersample) {
+ for (cp = tf_buf, cc = 0; cc < ctx->tf_bytesperrow; cc++) {
+ DOBREAK(breaklen, nc, ctx->fd);
+ switch (ctx->bitspersample) {
case 8:
- c = *cp++; PUTRGBHEX(c, fd);
+ c = *cp++; PUTRGBHEX(c, ctx->fd);
break;
case 4:
- c = *cp++; PUTRGBHEX(c&0xf, fd);
- c >>= 4; PUTRGBHEX(c, fd);
+ c = *cp++; PUTRGBHEX(c&0xf, ctx->fd);
+ c >>= 4; PUTRGBHEX(c, ctx->fd);
break;
case 2:
- c = *cp++; PUTRGBHEX(c&0x3, fd);
- c >>= 2; PUTRGBHEX(c&0x3, fd);
- c >>= 2; PUTRGBHEX(c&0x3, fd);
- c >>= 2; PUTRGBHEX(c, fd);
+ c = *cp++; PUTRGBHEX(c&0x3, ctx->fd);
+ c >>= 2; PUTRGBHEX(c&0x3, ctx->fd);
+ c >>= 2; PUTRGBHEX(c&0x3, ctx->fd);
+ c >>= 2; PUTRGBHEX(c, ctx->fd);
break;
case 1:
- c = *cp++; PUTRGBHEX(c&0x1, fd);
- c >>= 1; PUTRGBHEX(c&0x1, fd);
- c >>= 1; PUTRGBHEX(c&0x1, fd);
- c >>= 1; PUTRGBHEX(c&0x1, fd);
- c >>= 1; PUTRGBHEX(c&0x1, fd);
- c >>= 1; PUTRGBHEX(c&0x1, fd);
- c >>= 1; PUTRGBHEX(c&0x1, fd);
- c >>= 1; PUTRGBHEX(c, fd);
+ c = *cp++; PUTRGBHEX(c&0x1, ctx->fd);
+ c >>= 1; PUTRGBHEX(c&0x1, ctx->fd);
+ c >>= 1; PUTRGBHEX(c&0x1, ctx->fd);
+ c >>= 1; PUTRGBHEX(c&0x1, ctx->fd);
+ c >>= 1; PUTRGBHEX(c&0x1, ctx->fd);
+ c >>= 1; PUTRGBHEX(c&0x1, ctx->fd);
+ c >>= 1; PUTRGBHEX(c&0x1, ctx->fd);
+ c >>= 1; PUTRGBHEX(c, ctx->fd);
break;
}
}
}
void
-PSDataBW(FILE* fd, TIFF* tif, uint32 w, uint32 h)
+PSDataBW(TIFF2PSContext* ctx, TIFF* tif, uint32 w, uint32 h)
{
int breaklen = MAXLINE;
unsigned char* tf_buf;
tf_buf = (unsigned char *) _TIFFmalloc(stripsize);
memset(tf_buf, 0, stripsize);
if (tf_buf == NULL) {
- TIFFError(filename, "No space for scanline buffer");
+ TIFFError(ctx->filename, "No space for scanline buffer");
return;
}
#if defined( EXP_ASCII85ENCODER )
- if ( ascii85 ) {
+ if ( ctx->ascii85 ) {
/*
* Allocate a buffer to hold the ASCII85 encoded data. Note
* that it is allocated with sufficient room to hold the
if ( !ascii85_p ) {
_TIFFfree( tf_buf );
- TIFFError( filename, "Cannot allocate ASCII85 encoding buffer." );
+ TIFFError( ctx->filename,
+ "Cannot allocate ASCII85 encoding buffer." );
return;
}
}
#endif
- if (ascii85)
- Ascii85Init();
+ if (ctx->ascii85)
+ Ascii85Init(ctx);
for (s = 0; s < TIFFNumberOfStrips(tif); s++) {
int cc = TIFFReadEncodedStrip(tif, s, tf_buf, stripsize);
if (cc < 0) {
- TIFFError(filename, "Can't read strip");
+ TIFFError(ctx->filename, "Can't read strip");
break;
}
cp = tf_buf;
- if (photometric == PHOTOMETRIC_MINISWHITE) {
+ if (ctx->photometric == PHOTOMETRIC_MINISWHITE) {
for (cp += cc; --cp >= tf_buf;)
*cp = ~*cp;
cp++;
}
- if (ascii85) {
+ if (ctx->ascii85) {
#if defined( EXP_ASCII85ENCODER )
- if (alpha) {
+ if (ctx->alpha) {
int adjust, i;
for (i = 0; i < cc; i+=2) {
adjust = 255 - cp[i + 1];
cc /= 2;
}
- ascii85_l = Ascii85EncodeBlock( ascii85_p, 1, cp, cc );
+ ascii85_l = Ascii85EncodeBlock(ctx, ascii85_p, 1, cp,
+ cc);
if ( ascii85_l > 0 )
- fwrite( ascii85_p, ascii85_l, 1, fd );
+ fwrite( ascii85_p, ascii85_l, 1, ctx->fd );
#else
while (cc-- > 0)
- Ascii85Put(*cp++, fd);
+ Ascii85Put(ctx, *cp++);
#endif /* EXP_ASCII85_ENCODER */
} else {
unsigned char c;
- if (alpha) {
+ if (ctx->alpha) {
int adjust;
while (cc-- > 0) {
- DOBREAK(breaklen, 1, fd);
+ DOBREAK(breaklen, 1, ctx->fd);
/*
- * For images with alpha, matte against
+ * For images with ctx->alpha, matte against
* a white background; i.e.
* Cback * (1 - Aimage)
* where Cback = 1.
*/
adjust = 255 - cp[1];
- c = *cp++ + adjust; PUTHEX(c,fd);
+ c = *cp++ + adjust; PUTHEX(c,ctx->fd);
cp++, cc--;
}
} else {
while (cc-- > 0) {
c = *cp++;
- DOBREAK(breaklen, 1, fd);
- PUTHEX(c, fd);
+ DOBREAK(breaklen, 1, ctx->fd);
+ PUTHEX(c, ctx->fd);
}
}
}
}
- if ( !ascii85 )
+ if ( !ctx->ascii85 )
{
- if ( level2 || level3)
- fputs(">\n", fd);
+ if ( ctx->level2 || ctx->level3)
+ fputs(">\n", ctx->fd);
}
#if !defined( EXP_ASCII85ENCODER )
else
- Ascii85Flush(fd);
+ Ascii85Flush(ctx);
#else
if ( ascii85_p )
_TIFFfree( ascii85_p );
}
static void
-Ascii85Init(void)
+Ascii85Init(TIFF2PSContext *ctx)
{
- ascii85breaklen = 2*MAXLINE;
- ascii85count = 0;
+ ctx->ascii85breaklen = 2*MAXLINE;
+ ctx->ascii85count = 0;
}
-static char*
-Ascii85Encode(unsigned char* raw)
+static void
+Ascii85Encode(unsigned char* raw, char *buf)
{
- static char encoded[6];
uint32 word;
word = (((raw[0]<<8)+raw[1])<<16) + (raw[2]<<8) + raw[3];
uint16 w1;
q = word / (85L*85*85*85); /* actually only a byte */
- encoded[0] = (char) (q + '!');
+ buf[0] = (char) (q + '!');
word -= q * (85L*85*85*85); q = word / (85L*85*85);
- encoded[1] = (char) (q + '!');
+ buf[1] = (char) (q + '!');
word -= q * (85L*85*85); q = word / (85*85);
- encoded[2] = (char) (q + '!');
+ buf[2] = (char) (q + '!');
w1 = (uint16) (word - q*(85L*85));
- encoded[3] = (char) ((w1 / 85) + '!');
- encoded[4] = (char) ((w1 % 85) + '!');
- encoded[5] = '\0';
+ buf[3] = (char) ((w1 / 85) + '!');
+ buf[4] = (char) ((w1 % 85) + '!');
+ buf[5] = '\0';
} else
- encoded[0] = 'z', encoded[1] = '\0';
- return (encoded);
+ buf[0] = 'z', buf[1] = '\0';
}
void
-Ascii85Put(unsigned char code, FILE* fd)
+Ascii85Put(TIFF2PSContext *ctx, unsigned char code)
{
- ascii85buf[ascii85count++] = code;
- if (ascii85count >= 4) {
+ ctx->ascii85buf[ctx->ascii85count++] = code;
+ if (ctx->ascii85count >= 4) {
unsigned char* p;
int n;
+ char buf[6];
- for (n = ascii85count, p = ascii85buf; n >= 4; n -= 4, p += 4) {
+ for (n = ctx->ascii85count, p = ctx->ascii85buf;
+ n >= 4; n -= 4, p += 4) {
char* cp;
- for (cp = Ascii85Encode(p); *cp; cp++) {
- putc(*cp, fd);
- if (--ascii85breaklen == 0) {
- putc('\n', fd);
- ascii85breaklen = 2*MAXLINE;
+ Ascii85Encode(p, buf);
+ for (cp = buf; *cp; cp++) {
+ putc(*cp, ctx->fd);
+ if (--ctx->ascii85breaklen == 0) {
+ putc('\n', ctx->fd);
+ ctx->ascii85breaklen = 2*MAXLINE;
}
}
}
- _TIFFmemcpy(ascii85buf, p, n);
- ascii85count = n;
+ _TIFFmemcpy(ctx->ascii85buf, p, n);
+ ctx->ascii85count = n;
}
}
void
-Ascii85Flush(FILE* fd)
+Ascii85Flush(TIFF2PSContext* ctx)
{
- if (ascii85count > 0) {
- char* res;
- _TIFFmemset(&ascii85buf[ascii85count], 0, 3);
- res = Ascii85Encode(ascii85buf);
- fwrite(res[0] == 'z' ? "!!!!" : res, ascii85count + 1, 1, fd);
+ if (ctx->ascii85count > 0) {
+ char res[6];
+ _TIFFmemset(&ctx->ascii85buf[ctx->ascii85count], 0, 3);
+ Ascii85Encode(ctx->ascii85buf, res);
+ fwrite(res[0] == 'z' ? "!!!!" : res, ctx->ascii85count + 1, 1, ctx->fd);
}
- fputs("~>\n", fd);
+ fputs("~>\n", ctx->fd);
}
#if defined( EXP_ASCII85ENCODER)
\f
-#define A85BREAKCNTR ascii85breaklen
+#define A85BREAKCNTR ctx->ascii85breaklen
#define A85BREAKLEN (2*MAXLINE)
/*****************************************************************************
* by raw_p and raw_l into ASCII85 format and store the encoding
* in the buffer given by ascii85_p.
*
-* Parameters: ascii85_p - A buffer supplied by the caller which will
+* Parameters: ctx - TIFF2PS context
+* ascii85_p - A buffer supplied by the caller which will
* contain the encoded ASCII85 data.
* f_eod - Flag: Nz means to end the encoded buffer with
* an End-Of-Data marker.
*
*****************************************************************************/
-int Ascii85EncodeBlock( uint8 * ascii85_p, unsigned f_eod, const uint8 * raw_p, int raw_l )
+int Ascii85EncodeBlock( TIFF2PSContext *ctx, uint8 * ascii85_p,
+ unsigned f_eod, const uint8 * raw_p, int raw_l )
{
char ascii85[5]; /* Encoded 5 tuple */
https://www.fi.muni.cz/~kas/git / evince.git / commitdiff