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tiff.6402
gif2tiff-comeback.patch
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File gif2tiff-comeback.patch of Package tiff.6402
--- tiff-4.0.7/html/man/gif2tiff.1.html 1970-01-01 01:00:00.000000000 +0100 +++ tiff-4.0.7/html/man/gif2tiff.1.html 2016-12-08 09:20:34.221126689 +0100 @@ -0,0 +1,141 @@ +<!-- Creator : groff version 1.18.1 --> +<!-- CreationDate: Sat Feb 24 18:37:19 2007 --> +<html> +<head> +<meta name="generator" content="groff -Thtml, see www.gnu.org"> +<meta name="Content-Style" content="text/css"> +<title>GIF2TIFF</title> +</head> +<body> + +<h1 align=center>GIF2TIFF</h1> +<a href="#NAME">NAME</a><br> +<a href="#SYNOPSIS">SYNOPSIS</a><br> +<a href="#DESCRIPTION">DESCRIPTION</a><br> +<a href="#OPTIONS">OPTIONS</a><br> +<a href="#NOTES">NOTES</a><br> +<a href="#BUGS">BUGS</a><br> +<a href="#SEE ALSO">SEE ALSO</a><br> + +<hr> +<a name="NAME"></a> +<h2>NAME</h2> +<!-- INDENTATION --> +<table width="100%" border=0 rules="none" frame="void" + cols="2" cellspacing="0" cellpadding="0"> +<tr valign="top" align="left"> +<td width="8%"></td> +<td width="91%"> +<p>gif2tiff − create a <small>TIFF</small> file from a +GIF87 format image file</p> +</td> +</table> +<a name="SYNOPSIS"></a> +<h2>SYNOPSIS</h2> +<!-- INDENTATION --> +<table width="100%" border=0 rules="none" frame="void" + cols="2" cellspacing="0" cellpadding="0"> +<tr valign="top" align="left"> +<td width="8%"></td> +<td width="91%"> +<p><b>gif2tiff</b> [ <i>options</i> ] <i>input.gif +output.tif</i></p> +</td> +</table> +<a name="DESCRIPTION"></a> +<h2>DESCRIPTION</h2> +<!-- INDENTATION --> +<table width="100%" border=0 rules="none" frame="void" + cols="2" cellspacing="0" cellpadding="0"> +<tr valign="top" align="left"> +<td width="8%"></td> +<td width="91%"> +<p><i>Gif2tiff</i> converts a file in the GIF87 format to +<small>TIFF.</small> The <small>TIFF</small> image is +created as a palette image, with samples compressed with the +Lempel-Ziv & Welch algorithm (<i>Compression</i>=5). +These characteristics can overridden, or explicitly +specified with the options described below.</p> +</td> +</table> +<a name="OPTIONS"></a> +<h2>OPTIONS</h2> +<!-- TABS --> +<table width="100%" border=0 rules="none" frame="void" + cols="5" cellspacing="0" cellpadding="0"> +<tr valign="top" align="left"> +<td width="10%"></td> +<td width="3%"> + +<p><b>−c</b></p> +</td> +<td width="5%"></td> +<td width="80%"> + +<p>Specify a compression scheme to use when writing image +data: <b>−c none</b> for no compression, <b>−c +packbits</b> for the PackBits compression algorithm, +<b>−c zip</b> for the Deflate compression algorithm, +and <b>−c lzw</b> for Lempel-Ziv & Welch (the +default).</p> +</td> +<td width="0%"> +</td> +<tr valign="top" align="left"> +<td width="10%"></td> +<td width="3%"> + +<p><b>−r</b></p> +</td> +<td width="5%"></td> +<td width="80%"> + +<p>Write data with a specified number of rows per strip; by +default the number of rows/strip is selected so that each +strip is approximately 8 kilobytes.</p> +</td> +<td width="0%"> +</td> +</table> +<a name="NOTES"></a> +<h2>NOTES</h2> +<!-- INDENTATION --> +<table width="100%" border=0 rules="none" frame="void" + cols="2" cellspacing="0" cellpadding="0"> +<tr valign="top" align="left"> +<td width="8%"></td> +<td width="91%"> +<p>The program is based on Paul Haeberli’s +<i>fromgif</i> program which, in turn, is based on Marcel +J.E. Mol’s GIF reader.</p> +</td> +</table> +<a name="BUGS"></a> +<h2>BUGS</h2> +<!-- INDENTATION --> +<table width="100%" border=0 rules="none" frame="void" + cols="2" cellspacing="0" cellpadding="0"> +<tr valign="top" align="left"> +<td width="8%"></td> +<td width="91%"> +<p>Should have more options to control output format.</p> +</td> +</table> +<a name="SEE ALSO"></a> +<h2>SEE ALSO</h2> +<!-- INDENTATION --> +<table width="100%" border=0 rules="none" frame="void" + cols="2" cellspacing="0" cellpadding="0"> +<tr valign="top" align="left"> +<td width="8%"></td> +<td width="91%"> +<p><b>pal2rgb</b>(1), <b>tiffinfo</b>(1), <b>tiffcp</b>(1), +<b>tiffmedian</b>(1), <b>libtiff</b>(3)</p> +<!-- INDENTATION --> +<p>Libtiff library home page: +<b>http://www.remotesensing.org/libtiff/</b></p> +</td> +</table> +<hr> +</body> +</html> --- tiff-4.0.7/html/man/Makefile.am 2016-12-08 09:15:01.640074405 +0100 +++ tiff-4.0.7/html/man/Makefile.am 2016-12-08 09:19:49.522051946 +0100 @@ -79,6 +79,7 @@ bmp2tiff.1.html \ fax2ps.1.html \ fax2tiff.1.html \ + gif2tiff.1.html \ pal2rgb.1.html \ ppm2tiff.1.html \ raw2tiff.1.html \ --- tiff-4.0.7/man/gif2tiff.1 1970-01-01 01:00:00.000000000 +0100 +++ tiff-4.0.7/man/gif2tiff.1 2016-12-08 09:19:24.262572646 +0100 @@ -0,0 +1,81 @@ +.\" $Id: gif2tiff.1,v 1.1 2016-06-05 19:53:59 bfriesen Exp $ +.\" +.\" Copyright (c) 1991-1997 Sam Leffler +.\" Copyright (c) 1991-1997 Silicon Graphics, Inc. +.\" +.\" Permission to use, copy, modify, distribute, and sell this software and +.\" its documentation for any purpose is hereby granted without fee, provided +.\" that (i) the above copyright notices and this permission notice appear in +.\" all copies of the software and related documentation, and (ii) the names of +.\" Sam Leffler and Silicon Graphics may not be used in any advertising or +.\" publicity relating to the software without the specific, prior written +.\" permission of Sam Leffler and Silicon Graphics. +.\" +.\" THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, +.\" EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY +.\" WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. +.\" +.\" IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR +.\" ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, +.\" OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +.\" WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF +.\" LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE +.\" OF THIS SOFTWARE. +.\" +.if n .po 0 +.TH GIF2TIFF 1 "November 2, 2005" "libtiff" +.SH NAME +gif2tiff \- create a +.SM TIFF +file from a GIF87 format image file +.SH SYNOPSIS +.B gif2tiff +[ +.I options +] +.I input.gif +.I output.tif +.SH DESCRIPTION +.I Gif2tiff +converts a file in the GIF87 format to +.SM TIFF. +The +.SM TIFF +image is created as a palette image, with samples +compressed with the Lempel-Ziv & Welch algorithm (\c +.IR Compression =5). +These characteristics can overridden, or explicitly specified +with the options described below. +.SH OPTIONS +.TP +.B \-c +Specify a compression scheme to use when writing image data: +.B "\-c none" +for no compression, +.B "\-c packbits" +for the PackBits compression algorithm, +.B "\-c zip" +for the Deflate compression algorithm, +and +.B "\-c lzw" +for Lempel-Ziv & Welch (the default). +.TP +.B \-r +Write data with a specified number of rows per strip; +by default the number of rows/strip is selected so that each strip +is approximately 8 kilobytes. +.SH NOTES +The program is based on Paul Haeberli's +.I fromgif +program which, in turn, is based on Marcel J.E. Mol's GIF reader. +.SH BUGS +Should have more options to control output format. +.SH "SEE ALSO" +.BR pal2rgb (1), +.BR tiffinfo (1), +.BR tiffcp (1), +.BR tiffmedian (1), +.BR libtiff (3) +.PP +Libtiff library home page: +.BR http://www.remotesensing.org/libtiff/ --- tiff-4.0.7/man/Makefile.am 2016-12-08 09:15:01.640074405 +0100 +++ tiff-4.0.7/man/Makefile.am 2016-12-08 09:19:09.210882159 +0100 @@ -27,6 +27,7 @@ bmp2tiff.1 \ fax2ps.1 \ fax2tiff.1 \ + gif2tiff.1 \ pal2rgb.1 \ ppm2tiff.1 \ raw2tiff.1 \ --- tiff-4.0.7/tools/gif2tiff.c 1970-01-01 01:00:00.000000000 +0100 +++ tiff-4.0.7/tools/gif2tiff.c 2016-12-08 09:18:50.215271941 +0100 @@ -0,0 +1,591 @@ +/* $Id: gif2tiff.c,v 1.1 2016-06-05 19:53:59 bfriesen Exp $ */ + +/* + * Copyright (c) 1990-1997 Sam Leffler + * Copyright (c) 1991-1997 Silicon Graphics, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software and + * its documentation for any purpose is hereby granted without fee, provided + * that (i) the above copyright notices and this permission notice appear in + * all copies of the software and related documentation, and (ii) the names of + * Sam Leffler and Silicon Graphics may not be used in any advertising or + * publicity relating to the software without the specific, prior written + * permission of Sam Leffler and Silicon Graphics. + * + * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, + * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY + * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. + * + * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR + * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, + * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, + * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF + * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE + * OF THIS SOFTWARE. + */ + +/* + * convert a GIF file into a TIFF file. + * based on Paul Haeberli's fromgif program which in turn is + * based on a GIF file reader by Marcel J.E. Mol March 23 1989 + * + * if input is 320 by 200 pixel aspect is probably 1.2 + * if input is 640 350 pixel aspect is probably 1.37 + * + */ +#include "tif_config.h" + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <errno.h> +#include <math.h> + +#ifdef HAVE_UNISTD_H +# include <unistd.h> +#endif + +#ifdef NEED_LIBPORT +# include "libport.h" +#endif + +#include "tiffio.h" + +#define GIFGAMMA (1.5) /* smaller makes output img brighter */ +#define IMAX 0xffff /* max intensity value */ +#define EXTRAFUDGE 128 /* some people write BAD .gif files */ + +#define streq(a,b) (strcmp(a,b) == 0) +#define strneq(a,b,n) (strncmp(a,b,n) == 0) + +unsigned short gamtab[256]; + +void +makegamtab(float gam) +{ + int i; + + for(i=0; i<256; i++) + gamtab[i] = (unsigned short) (IMAX*pow(i/255.0,gam)+0.5); +} + +char* stuff[] = { +"usage: gif2tiff [options] input.gif output.tif", +"where options are:", +" -r # make each strip have no more than # rows", +"", +" -c lzw[:opts] compress output with Lempel-Ziv & Welch encoding", +" -c zip[:opts] compress output with deflate encoding", +" -c packbits compress output with packbits encoding", +" -c none use no compression algorithm on output", +"", +"LZW and deflate options:", +" # set predictor value", +"For example, -c lzw:2 to get LZW-encoded data with horizontal differencing", +NULL +}; + +static void +usage(void) +{ + char buf[BUFSIZ]; + int i; + + setbuf(stderr, buf); + fprintf(stderr, "%s\n\n", TIFFGetVersion()); + for (i = 0; stuff[i] != NULL; i++) + fprintf(stderr, "%s\n", stuff[i]); + exit(-1); +} + +#define COLSIZE 256 + +unsigned char *stackp; +unsigned int prefix[4096]; +unsigned char suffix[4096]; +unsigned char stack[4096]; +int datasize,codesize,codemask; /* Decoder working variables */ +int clear,eoi; /* Special code values */ +int avail, oldcode; + +FILE *infile; +int global; /* Is there a global color map? */ +int globalbits; /* Number of bits of global colors */ +unsigned char globalmap[COLSIZE][3];/* RGB values for global color map */ +unsigned char *raster; /* Decoded image data */ +unsigned long width, height; +unsigned short red[COLSIZE]; +unsigned short green[COLSIZE]; +unsigned short blue[COLSIZE]; +char *filename, *imagename; + +static uint16 compression = COMPRESSION_PACKBITS; +static uint16 predictor = 0; +static uint32 rowsperstrip = (uint32) -1; +static int processCompressOptions(char*); + +int convert(void); +int checksignature(void); +int readscreen(void); +int readgifimage(char*); +int readextension(void); +int readraster(void); +int process(int, unsigned char**); +void initcolors(unsigned char [COLSIZE][3], int); +void rasterize(int, char*); + +int +main(int argc, char* argv[]) +{ +#if !HAVE_DECL_OPTARG + extern int optind; + extern char *optarg; +#endif + + int c, status; + + while ((c = getopt(argc, argv, "c:r:")) != -1) + switch (c) { + case 'c': /* compression scheme */ + if (!processCompressOptions(optarg)) + usage(); + break; + case 'r': /* rows/strip */ + rowsperstrip = atoi(optarg); + break; + case '?': + usage(); + /*NOTREACHED*/ + } + if (argc - optind != 2) + usage(); + + makegamtab(GIFGAMMA); + filename = argv[optind]; + imagename = argv[optind+1]; + if ((infile = fopen(imagename, "rb")) != NULL) { + int c; + fclose(infile); + printf("overwrite %s? ", imagename); fflush(stdout); + c = getc(stdin); + if (c != 'y' && c != 'Y') + return (1); + } + if ((infile = fopen(filename, "rb")) == NULL) { + perror(filename); + return (1); + } + status = convert(); + fclose(infile); + return (status); +} + +static int +processCompressOptions(char* opt) +{ + if (streq(opt, "none")) + compression = COMPRESSION_NONE; + else if (streq(opt, "packbits")) + compression = COMPRESSION_PACKBITS; + else if (strneq(opt, "lzw", 3)) { + char* cp = strchr(opt, ':'); + if (cp) + predictor = atoi(cp+1); + compression = COMPRESSION_LZW; + } else if (strneq(opt, "zip", 3)) { + char* cp = strchr(opt, ':'); + if (cp) + predictor = atoi(cp+1); + compression = COMPRESSION_DEFLATE; + } else + return (0); + return (1); +} + +int +convert(void) +{ + int ch; + char* mode = "w"; + + if (!checksignature()) + return (-1); + if (!readscreen()) + return (-1); + while ((ch = getc(infile)) != ';' && ch != EOF) { + switch (ch) { + case '\0': break; /* this kludge for non-standard files */ + case ',': if (!readgifimage(mode)) + return (-1); + mode = "a"; /* subsequent images append */ + break; + case '!': if (!readextension()) + return (-1); + break; + default: fprintf(stderr, "illegal GIF block type\n"); + return (-1); + } + } + return (0); +} + +int +checksignature(void) +{ + char buf[6]; + + if (fread(buf,1,6,infile) != 6) { + fprintf(stderr, "short read from file %s (%s)\n", + filename, strerror(errno)); + return 0; + } + if (strncmp(buf,"GIF",3)) { + fprintf(stderr, "file is not a GIF file\n"); + return 0; + } + if (strncmp(&buf[3],"87a",3)) { + fprintf(stderr, "unknown GIF version number\n"); + return 0; + } + return 1; +} + +/* + * readscreen - + * Get information which is global to all the images stored + * in the file + */ +int +readscreen(void) +{ + unsigned char buf[7]; + + if (fread(buf,1,7,infile) != 7) { + fprintf(stderr, "short read from file %s (%s)\n", + filename, strerror(errno)); + return 0; + } + global = buf[4] & 0x80; + if (global) { + globalbits = (buf[4] & 0x07) + 1; + if (fread(globalmap,3,((size_t)1)<<globalbits,infile) != + ((size_t)1)<<globalbits) { + fprintf(stderr, "short read from file %s (%s)\n", + filename, strerror(errno)); + return 0; + } + } + return 1; +} + +int +readgifimage(char* mode) +{ + unsigned char buf[9]; + int local, interleaved; + unsigned char localmap[256][3]; + int localbits; + int status; + size_t raster_size; + + if (fread(buf, 1, 9, infile) != 9) { + fprintf(stderr, "short read from file %s (%s)\n", + filename, strerror(errno)); + return (0); + } + width = (buf[4] + (buf[5] << 8)) & 0xffff; /* 16 bit */ + height = (buf[6] + (buf[7] << 8)) & 0xffff; /* 16 bit */ + local = buf[8] & 0x80; + interleaved = buf[8] & 0x40; + if (width == 0UL || height == 0UL || (width > 2000000000UL / height)) { + fprintf(stderr, "Invalid value of width or height\n"); + return(0); + } + if (local == 0 && global == 0) { + fprintf(stderr, "no colormap present for image\n"); + return (0); + } + raster_size=width*height; + if ((raster_size/width) == height) { + raster_size += EXTRAFUDGE; /* Add elbow room */ + } else { + raster_size=0; + } + if ((raster = (unsigned char*) _TIFFmalloc(raster_size)) == NULL) { + fprintf(stderr, "not enough memory for image\n"); + return (0); + } + if (local) { + localbits = (buf[8] & 0x7) + 1; + + fprintf(stderr, " local colors: %d\n", 1<<localbits); + + if (fread(localmap, 3, ((size_t)1)<<localbits, infile) != + ((size_t)1)<<localbits) { + fprintf(stderr, "short read from file %s (%s)\n", + filename, strerror(errno)); + return (0); + } + initcolors(localmap, 1<<localbits); + } else if (global) { + initcolors(globalmap, 1<<globalbits); + } + if ((status = readraster())) + rasterize(interleaved, mode); + _TIFFfree(raster); + return status; +} + +/* + * readextension - + * Read a GIF extension block (and do nothing with it). + * + */ +int +readextension(void) +{ + int count; + char buf[255]; + int status = 1; + + (void) getc(infile); + while ((count = getc(infile)) && count >= 0 && count <= 255) + if (fread(buf, 1, count, infile) != (size_t) count) { + fprintf(stderr, "short read from file %s (%s)\n", + filename, strerror(errno)); + status = 0; + break; + } + return status; +} + +/* + * readraster - + * Decode a raster image + * + */ +int +readraster(void) +{ + unsigned char *fill = raster; + unsigned char buf[255]; + register int bits=0; + register unsigned long datum=0; + register unsigned char *ch; + register int count, code; + int status = 1; + + datasize = getc(infile); + if (datasize > 12) + return 0; + clear = 1 << datasize; + eoi = clear + 1; + avail = clear + 2; + oldcode = -1; + codesize = datasize + 1; + codemask = (1 << codesize) - 1; + for (code = 0; code < clear; code++) { + prefix[code] = 0; + suffix[code] = code; + } + stackp = stack; + for (count = getc(infile); count > 0 && count <= 255; count = getc(infile)) { + if (fread(buf,1,count,infile) != (size_t)count) { + fprintf(stderr, "short read from file %s (%s)\n", + filename, strerror(errno)); + return 0; + } + for (ch=buf; count-- > 0; ch++) { + datum += (unsigned long) *ch << bits; + bits += 8; + while (bits >= codesize) { + code = datum & codemask; + datum >>= codesize; + bits -= codesize; + if (code == eoi) { /* This kludge put in */ + goto exitloop; /* because some GIF files*/ + } /* aren't standard */ + if (!process(code, &fill)) { + status = 0; + goto exitloop; + } + } + } + if (fill >= raster + width*height) { + fprintf(stderr, "raster full before eoi code\n"); + break; + } + } +exitloop: + if (fill != raster + width*height) { + fprintf(stderr, "warning: wrong rastersize: %ld bytes\n", + (long) (fill-raster)); + fprintf(stderr, " instead of %ld bytes\n", + (long) width*height); + } + return status; +} + +/* + * process - + * Process a compression code. "clear" resets the code table. + * Otherwise make a new code table entry, and output the bytes + * associated with the code. + */ +int +process(register int code, unsigned char** fill) +{ + int incode; + static unsigned char firstchar; + + if (code == clear) { + codesize = datasize + 1; + codemask = (1 << codesize) - 1; + avail = clear + 2; + oldcode = -1; + return 1; + } + + if (oldcode == -1) { + if (code >= clear) { + fprintf(stderr, "bad input: code=%d is larger than clear=%d\n",code, clear); + return 0; + } + if (*fill >= raster + width*height) { + fprintf(stderr, "raster full before eoi code\n"); + return 0; + } + *(*fill)++ = suffix[code]; + firstchar = oldcode = code; + return 1; + } + if (code > avail) { + fprintf(stderr, "code %d too large for %d\n", code, avail); + return 0; + } + + incode = code; + if (code == avail) { /* the first code is always < avail */ + *stackp++ = firstchar; + code = oldcode; + } + while (code > clear) { + *stackp++ = suffix[code]; + code = prefix[code]; + } + + *stackp++ = firstchar = suffix[code]; + prefix[avail] = oldcode; + suffix[avail] = firstchar; + avail++; + + if (((avail & codemask) == 0) && (avail < 4096)) { + codesize++; + codemask += avail; + } + oldcode = incode; + do { + if (*fill >= raster + width*height) { + fprintf(stderr, "raster full before eoi code\n"); + return 0; + } + *(*fill)++ = *--stackp; + } while (stackp > stack); + return 1; +} + +/* + * initcolors - + * Convert a color map (local or global) to arrays with R, G and B + * values. + * + */ +void +initcolors(unsigned char colormap[COLSIZE][3], int ncolors) +{ + register int i; + + for (i = 0; i < ncolors; i++) { + red[i] = gamtab[colormap[i][0]]; + green[i] = gamtab[colormap[i][1]]; + blue[i] = gamtab[colormap[i][2]]; + } +} + +void +rasterize(int interleaved, char* mode) +{ + register unsigned long row; + unsigned char *newras; + unsigned char *ras; + TIFF *tif; + tstrip_t strip; + tsize_t stripsize; + + if ((newras = (unsigned char*) _TIFFmalloc(width*height+EXTRAFUDGE)) == NULL) { + fprintf(stderr, "not enough memory for image\n"); + return; + } +#define DRAWSEGMENT(offset, step) { \ + for (row = offset; row < height; row += step) { \ + _TIFFmemcpy(newras + row*width, ras, width);\ + ras += width; \ + } \ + } + ras = raster; + if (interleaved) { + DRAWSEGMENT(0, 8); + DRAWSEGMENT(4, 8); + DRAWSEGMENT(2, 4); + DRAWSEGMENT(1, 2); + } else + DRAWSEGMENT(0, 1); +#undef DRAWSEGMENT + + tif = TIFFOpen(imagename, mode); + if (!tif) { + TIFFError(imagename,"Can not open output image"); + exit(-1); + } + TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, (uint32) width); + TIFFSetField(tif, TIFFTAG_IMAGELENGTH, (uint32) height); + TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_PALETTE); + TIFFSetField(tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG); + TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 1); + TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, 8); + TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, + rowsperstrip = TIFFDefaultStripSize(tif, rowsperstrip)); + TIFFSetField(tif, TIFFTAG_COMPRESSION, compression); + switch (compression) { + case COMPRESSION_LZW: + case COMPRESSION_DEFLATE: + if (predictor != 0) + TIFFSetField(tif, TIFFTAG_PREDICTOR, predictor); + break; + } + TIFFSetField(tif, TIFFTAG_COLORMAP, red, green, blue); + TIFFSetField(tif, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT); + strip = 0; + stripsize = TIFFStripSize(tif); + for (row=0; row<height; row += rowsperstrip) { + if (rowsperstrip > height-row) { + rowsperstrip = height-row; + stripsize = TIFFVStripSize(tif, rowsperstrip); + } + if (TIFFWriteEncodedStrip(tif, strip, newras+row*width, stripsize) < 0) + break; + strip++; + } + TIFFClose(tif); + + _TIFFfree(newras); +} + +/* vim: set ts=8 sts=8 sw=8 noet: */ +/* + * Local Variables: + * mode: c + * c-basic-offset: 4 + * fill-column: 78 + * End: + */ --- tiff-4.0.7/tools/Makefile.am 2016-12-08 09:15:01.640074405 +0100 +++ tiff-4.0.7/tools/Makefile.am 2016-12-08 09:18:27.083745315 +0100 @@ -34,6 +34,7 @@ bmp2tiff \ fax2ps \ fax2tiff \ + gif2tiff \ pal2rgb \ ppm2tiff \ raw2tiff \ @@ -74,6 +75,9 @@ fax2tiff_SOURCES = fax2tiff.c fax2tiff_LDADD = $(LIBTIFF) $(LIBPORT) +gif2tiff_SOURCES = gif2tiff.c +gif2tiff_LDADD = $(LIBTIFF) $(LIBPORT) + pal2rgb_SOURCES = pal2rgb.c pal2rgb_LDADD = $(LIBTIFF) $(LIBPORT)
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