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tiff.openSUSE_Leap_42.1_Update
ras2tiff-comeback.patch
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File ras2tiff-comeback.patch of Package tiff.openSUSE_Leap_42.1_Update
--- tiff-4.0.7/html/man/Makefile.am 2016-12-08 09:28:42.686747902 +0100 +++ tiff-4.0.7/html/man/Makefile.am 2016-12-08 09:37:07.963639167 +0100 @@ -82,6 +82,7 @@ gif2tiff.1.html \ pal2rgb.1.html \ ppm2tiff.1.html \ + ras2tiff.1.html \ raw2tiff.1.html \ rgb2ycbcr.1.html \ thumbnail.1.html \ --- tiff-4.0.7/html/man/ras2tiff.1.html 1970-01-01 01:00:00.000000000 +0100 +++ tiff-4.0.7/html/man/ras2tiff.1.html 2016-12-08 09:36:42.160213080 +0100 @@ -0,0 +1,139 @@ +<!-- 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>RAS2TIFF</title> +</head> +<body> + +<h1 align=center>RAS2TIFF</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="#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>ras2tiff − create a <small>TIFF</small> file from a +Sun rasterfile</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>ras2tiff</b> [ <i>options</i> ] <i>input.ras +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>ras2tiff</i> converts a file in the Sun rasterfile +format to <small>TIFF.</small> By default, the +<small>TIFF</small> image is created with data samples +packed (<i>PlanarConfiguration</i>=1), compressed with the +Lempel-Ziv & Welch algorithm (<i>Compression</i>=5), and +with each strip no more than 8 kilobytes. These +characteristics can overridden, or explicitly specified with +the options described below.</p> +<!-- INDENTATION --> +<p>Any colormap information in the rasterfile is carried +over to the <small>TIFF</small> file by including a +<i>Colormap</i> tag in the output file. If the rasterfile +has a colormap, the <i>PhotometricInterpretation</i> tag is +set to 3 (palette); otherwise it is set to 2 (RGB) if the +depth is 24 or 1 (min-is-black) if the depth is not 24.</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="2%"> + +<p><b>−c</b></p> +</td> +<td width="6%"></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 jpeg</b> for the baseline JPEG 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="2%"> + +<p><b>−r</b></p> +</td> +<td width="6%"></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="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>Does not handle all possible rasterfiles. In particular, +<i>ras2tiff</i> does not handle run-length encoded +images.</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/man/Makefile.am 2016-12-08 09:28:42.686747902 +0100 +++ tiff-4.0.7/man/Makefile.am 2016-12-08 09:37:25.675244883 +0100 @@ -30,6 +30,7 @@ gif2tiff.1 \ pal2rgb.1 \ ppm2tiff.1 \ + ras2tiff.1 \ raw2tiff.1 \ rgb2ycbcr.1 \ thumbnail.1 \ --- tiff-4.0.7/man/ras2tiff.1 1970-01-01 01:00:00.000000000 +0100 +++ tiff-4.0.7/man/ras2tiff.1 2016-12-08 09:42:33.220358462 +0100 @@ -0,0 +1,96 @@ +.\" $Id: ras2tiff.1,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. +.\" +.if n .po 0 +.TH RAS2TIFF 1 "November 2, 2005" "libtiff" +.SH NAME +ras2tiff \- create a +.SM TIFF +file from a Sun rasterfile +.SH SYNOPSIS +.B ras2tiff +[ +.I options +] +.I input.ras +.I output.tif +.SH DESCRIPTION +.I ras2tiff +converts a file in the Sun rasterfile format to +.SM TIFF. +By default, the +.SM TIFF +image is created with data samples packed (\c +.IR PlanarConfiguration =1), +compressed with the Lempel-Ziv & Welch algorithm (\c +.IR Compression =5), +and with each strip no more than 8 kilobytes. +These characteristics can overridden, or explicitly specified +with the options described below. +.PP +Any colormap information in the rasterfile is carried over to the +.SM TIFF +file by including a +.I Colormap +tag in the output file. +If the rasterfile has a colormap, the +.I PhotometricInterpretation +tag is set to 3 (palette); +otherwise it is set to 2 (RGB) if the depth +is 24 or 1 (min-is-black) if the depth is not 24. +.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 jpeg" +for the baseline JPEG 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 BUGS +Does not handle all possible rasterfiles. +In particular, +.I ras2tiff +does not handle run-length encoded images. +.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/tools/Makefile.am 2016-12-08 09:34:03.911718865 +0100 +++ tiff-4.0.7/tools/Makefile.am 2016-12-08 09:35:25.125922767 +0100 @@ -37,6 +37,7 @@ gif2tiff \ pal2rgb \ ppm2tiff \ + ras2tiff \ raw2tiff \ tiff2bw \ tiff2pdf \ @@ -79,6 +80,9 @@ ppm2tiff_SOURCES = ppm2tiff.c ppm2tiff_LDADD = $(LIBTIFF) $(LIBPORT) +ras2tiff_SOURCES = ras2tiff.c rasterfile.h +ras2tiff_LDADD = $(LIBTIFF) $(LIBPORT) + raw2tiff_SOURCES = raw2tiff.c raw2tiff_LDADD = $(LIBTIFF) $(LIBPORT) --- tiff-4.0.7/tools/ras2tiff.c 1970-01-01 01:00:00.000000000 +0100 +++ tiff-4.0.7/tools/ras2tiff.c 2016-12-08 09:36:05.981016738 +0100 @@ -0,0 +1,338 @@ +/* $Id: ras2tiff.c,v 1.1 2016-06-05 19:54:00 bfriesen Exp $ */ + +/* + * Copyright (c) 1988-1997 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. + */ + +#include "tif_config.h" + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <ctype.h> +#include <limits.h> + +#ifdef HAVE_UNISTD_H +# include <unistd.h> +#endif + +#ifdef NEED_LIBPORT +# include "libport.h" +#endif + +#include "rasterfile.h" +#include "tiffio.h" + +#ifndef howmany +#define howmany(x, y) (((x)+((y)-1))/(y)) +#endif +#define streq(a,b) (strcmp(a,b) == 0) +#define strneq(a,b,n) (strncmp(a,b,n) == 0) + +static uint16 compression = (uint16) -1; +static int jpegcolormode = JPEGCOLORMODE_RGB; +static int quality = 75; /* JPEG quality */ +static uint16 predictor = 0; + +static void usage(void); +static int processCompressOptions(char*); + +int +main(int argc, char* argv[]) +{ + unsigned char* buf; + long row; + tsize_t linebytes, scanline; + TIFF *out; + FILE *in; + struct rasterfile h; + uint16 photometric; + uint16 config = PLANARCONFIG_CONTIG; + uint32 rowsperstrip = (uint32) -1; + int c; +#if !HAVE_DECL_OPTARG + extern int optind; + extern char* optarg; +#endif + + while ((c = getopt(argc, argv, "c:r:h")) != -1) + switch (c) { + case 'c': /* compression scheme */ + if (!processCompressOptions(optarg)) + usage(); + break; + case 'r': /* rows/strip */ + rowsperstrip = atoi(optarg); + break; + case 'h': + usage(); + /*NOTREACHED*/ + } + if (argc - optind != 2) + usage(); + in = fopen(argv[optind], "rb"); + if (in == NULL) { + fprintf(stderr, "%s: Can not open.\n", argv[optind]); + return (-1); + } + if (fread(&h, sizeof (h), 1, in) != 1) { + fprintf(stderr, "%s: Can not read header.\n", argv[optind]); + fclose(in); + return (-2); + } + if (strcmp(h.ras_magic, RAS_MAGIC) == 0) { +#ifndef WORDS_BIGENDIAN + TIFFSwabLong((uint32 *)&h.ras_width); + TIFFSwabLong((uint32 *)&h.ras_height); + TIFFSwabLong((uint32 *)&h.ras_depth); + TIFFSwabLong((uint32 *)&h.ras_length); + TIFFSwabLong((uint32 *)&h.ras_type); + TIFFSwabLong((uint32 *)&h.ras_maptype); + TIFFSwabLong((uint32 *)&h.ras_maplength); +#endif + } else if (strcmp(h.ras_magic, RAS_MAGIC_INV) == 0) { +#ifdef WORDS_BIGENDIAN + TIFFSwabLong((uint32 *)&h.ras_width); + TIFFSwabLong((uint32 *)&h.ras_height); + TIFFSwabLong((uint32 *)&h.ras_depth); + TIFFSwabLong((uint32 *)&h.ras_length); + TIFFSwabLong((uint32 *)&h.ras_type); + TIFFSwabLong((uint32 *)&h.ras_maptype); + TIFFSwabLong((uint32 *)&h.ras_maplength); +#endif + } else { + fprintf(stderr, "%s: Not a rasterfile.\n", argv[optind]); + fclose(in); + return (-3); + } + if ((h.ras_width <= 0) || (h.ras_width >= INT_MAX) || + (h.ras_height <= 0) || (h.ras_height >= INT_MAX) || + (h.ras_depth <= 0) || (h.ras_depth >= INT_MAX) || + (h.ras_length <= 0) || (h.ras_length >= INT_MAX) || + (h.ras_type <= 0) || + (h.ras_maptype <= 0) || + (h.ras_maplength <= 0) || (h.ras_maplength >= INT_MAX)) { + fprintf(stderr, "%s: Improper image header.\n", argv[optind]); + fclose(in); + return (-2); + } + if ((h.ras_depth != 1) && + (h.ras_depth != 8) && + (h.ras_depth != 24)) { + fprintf(stderr, "%s: Improper image depth (%d).\n", + argv[optind], h.ras_depth); + fclose(in); + return (-2); + } + out = TIFFOpen(argv[optind+1], "w"); + if (out == NULL) + { + fclose(in); + return (-4); + } + TIFFSetField(out, TIFFTAG_IMAGEWIDTH, (uint32) h.ras_width); + TIFFSetField(out, TIFFTAG_IMAGELENGTH, (uint32) h.ras_height); + TIFFSetField(out, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT); + TIFFSetField(out, TIFFTAG_SAMPLESPERPIXEL, h.ras_depth > 8 ? 3 : 1); + TIFFSetField(out, TIFFTAG_BITSPERSAMPLE, h.ras_depth > 1 ? 8 : 1); + TIFFSetField(out, TIFFTAG_PLANARCONFIG, config); + if (h.ras_maptype != RMT_NONE) { + uint16* red; + register uint16* map; + register int i, j; + int mapsize; + + buf = (unsigned char *)_TIFFmalloc(h.ras_maplength); + if (buf == NULL) { + fprintf(stderr, "No space to read in colormap.\n"); + return (-5); + } + if (fread(buf, h.ras_maplength, 1, in) != 1) { + fprintf(stderr, "%s: Read error on colormap.\n", + argv[optind]); + return (-6); + } + mapsize = 1<<h.ras_depth; + if (h.ras_maplength > mapsize*3) { + fprintf(stderr, + "%s: Huh, %d colormap entries, should be %d?\n", + argv[optind], h.ras_maplength, mapsize*3); + return (-7); + } + red = (uint16*)_TIFFmalloc(mapsize * 3 * sizeof (uint16)); + if (red == NULL) { + fprintf(stderr, "No space for colormap.\n"); + return (-8); + } + map = red; + for (j = 0; j < 3; j++) { +#define SCALE(x) (((x)*((1L<<16)-1))/255) + for (i = h.ras_maplength/3; i-- > 0;) + *map++ = SCALE(*buf++); + if ((i = h.ras_maplength/3) < mapsize) { + i = mapsize - i; + _TIFFmemset(map, 0, i*sizeof (uint16)); + map += i; + } + } + TIFFSetField(out, TIFFTAG_COLORMAP, + red, red + mapsize, red + 2*mapsize); + photometric = PHOTOMETRIC_PALETTE; + if (compression == (uint16) -1) + compression = COMPRESSION_PACKBITS; + TIFFSetField(out, TIFFTAG_COMPRESSION, compression); + } else { + /* XXX this is bogus... */ + photometric = h.ras_depth == 24 ? + PHOTOMETRIC_RGB : PHOTOMETRIC_MINISBLACK; + if (compression == (uint16) -1) + compression = COMPRESSION_LZW; + TIFFSetField(out, TIFFTAG_COMPRESSION, compression); + } + switch (compression) { + case COMPRESSION_JPEG: + if (photometric == PHOTOMETRIC_RGB && jpegcolormode == JPEGCOLORMODE_RGB) + photometric = PHOTOMETRIC_YCBCR; + TIFFSetField(out, TIFFTAG_JPEGQUALITY, quality); + TIFFSetField(out, TIFFTAG_JPEGCOLORMODE, jpegcolormode); + break; + case COMPRESSION_LZW: + case COMPRESSION_DEFLATE: + if (predictor != 0) + TIFFSetField(out, TIFFTAG_PREDICTOR, predictor); + break; + } + TIFFSetField(out, TIFFTAG_PHOTOMETRIC, photometric); + linebytes = ((h.ras_depth*h.ras_width+15) >> 3) &~ 1; + scanline = TIFFScanlineSize(out); + if (scanline > linebytes) { + buf = (unsigned char *)_TIFFmalloc(scanline); + _TIFFmemset(buf+linebytes, 0, scanline-linebytes); + } else + buf = (unsigned char *)_TIFFmalloc(linebytes); + TIFFSetField(out, TIFFTAG_ROWSPERSTRIP, + TIFFDefaultStripSize(out, rowsperstrip)); + for (row = 0; row < h.ras_height; row++) { + if (fread(buf, linebytes, 1, in) != 1) { + fprintf(stderr, "%s: scanline %ld: Read error.\n", + argv[optind], row); + break; + } + if (h.ras_type == RT_STANDARD && h.ras_depth == 24) { + tsize_t cc = h.ras_width; + unsigned char* cp = buf; +#define SWAP(a,b) { unsigned char t = (a); (a) = (b); (b) = t; } + do { + SWAP(cp[0], cp[2]); + cp += 3; + } while (--cc); + } + if (TIFFWriteScanline(out, buf, row, 0) < 0) + break; + } + (void) TIFFClose(out); + fclose(in); + return (0); +} + +static int +processCompressOptions(char* opt) +{ + if (streq(opt, "none")) + compression = COMPRESSION_NONE; + else if (streq(opt, "packbits")) + compression = COMPRESSION_PACKBITS; + else if (strneq(opt, "jpeg", 4)) { + char* cp = strchr(opt, ':'); + + compression = COMPRESSION_JPEG; + while( cp ) + { + if (isdigit((int)cp[1])) + quality = atoi(cp+1); + else if (cp[1] == 'r' ) + jpegcolormode = JPEGCOLORMODE_RAW; + else + usage(); + + cp = strchr(cp+1,':'); + } + } 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); +} + +char* stuff[] = { +"usage: ras2tiff [options] input.ras 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 jpeg[:opts] compress output with JPEG encoding", +" -c packbits compress output with packbits encoding", +" -c none use no compression algorithm on output", +"", +"JPEG options:", +" # set compression quality level (0-100, default 75)", +" r output color image as RGB rather than YCbCr", +"For example, -c jpeg:r:50 to get JPEG-encoded RGB data with 50% comp. quality", +"", +"LZW and deflate options:", +" # set predictor value", +"For example, -c lzw:2 to get LZW-encoded data with horizontal differencing", +" -h this help message", +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); +} + +/* vim: set ts=8 sts=8 sw=8 noet: */ +/* + * Local Variables: + * mode: c + * c-basic-offset: 8 + * fill-column: 78 + * End: + */ --- tiff-4.0.7/tools/rasterfile.h 1970-01-01 01:00:00.000000000 +0100 +++ tiff-4.0.7/tools/rasterfile.h 2016-12-08 09:36:12.300876442 +0100 @@ -0,0 +1,44 @@ +/* $Header: /cvs/maptools/cvsroot/libtiff/archive/tools/rasterfile.h,v 1.1 2016-06-05 19:54:00 bfriesen Exp $ */ + +#include "tiff.h" + +/* + * Description of header for files containing raster images + */ +struct rasterfile { + char ras_magic[4]; /* magic number */ + int32 ras_width; /* width (pixels) of image */ + int32 ras_height; /* height (pixels) of image */ + int32 ras_depth; /* depth (1, 8, or 24 bits) of pixel */ + int32 ras_length; /* length (bytes) of image */ + int32 ras_type; /* type of file; see RT_* below */ + int32 ras_maptype; /* type of colormap; see RMT_* below */ + int32 ras_maplength; /* length (bytes) of following map */ + /* color map follows for ras_maplength bytes, followed by image */ +}; +#define RAS_MAGIC "\x59\xa6\x6a\x95" +#define RAS_MAGIC_INV "\x95\x6a\xa6\x59" + + /* Sun supported ras_type's */ +#define RT_OLD 0 /* Raw pixrect image in 68000 byte order */ +#define RT_STANDARD 1 /* Raw pixrect image in 68000 byte order */ +#define RT_BYTE_ENCODED 2 /* Run-length compression of bytes */ +#define RT_EXPERIMENTAL 0xffff /* Reserved for testing */ + + /* Sun registered ras_maptype's */ +#define RMT_RAW 2 + /* Sun supported ras_maptype's */ +#define RMT_NONE 0 /* ras_maplength is expected to be 0 */ +#define RMT_EQUAL_RGB 1 /* red[ras_maplength/3],green[],blue[] */ + +/* + * NOTES: + * Each line of the image is rounded out to a multiple of 16 bits. + * This corresponds to the rounding convention used by the memory pixrect + * package (/usr/include/pixrect/memvar.h) of the SunWindows system. + * The ras_encoding field (always set to 0 by Sun's supported software) + * was renamed to ras_length in release 2.0. As a result, rasterfiles + * of type 0 generated by the old software claim to have 0 length; for + * compatibility, code reading rasterfiles must be prepared to compute the + * true length from the width, height, and depth fields. + */
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