1 /* $Id: ras2tiff.c,v 1.18 2010-03-10 18:56:49 bfriesen Exp $ */
4 * Copyright (c) 1988-1997 Sam Leffler
5 * Copyright (c) 1991-1997 Silicon Graphics, Inc.
7 * Permission to use, copy, modify, distribute, and sell this software and
8 * its documentation for any purpose is hereby granted without fee, provided
9 * that (i) the above copyright notices and this permission notice appear in
10 * all copies of the software and related documentation, and (ii) the names of
11 * Sam Leffler and Silicon Graphics may not be used in any advertising or
12 * publicity relating to the software without the specific, prior written
13 * permission of Sam Leffler and Silicon Graphics.
15 * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
17 * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
19 * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
20 * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
21 * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
22 * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
23 * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
27 #include "tif_config.h"
42 #include "rasterfile.h"
46 #define howmany(x, y) (((x)+((y)-1))/(y))
48 #define streq(a,b) (strcmp(a,b) == 0)
49 #define strneq(a,b,n) (strncmp(a,b,n) == 0)
51 static uint16 compression = (uint16) -1;
52 static int jpegcolormode = JPEGCOLORMODE_RGB;
53 static int quality = 75; /* JPEG quality */
54 static uint16 predictor = 0;
56 static void usage(void);
57 static int processCompressOptions(char*);
60 main(int argc, char* argv[])
64 tsize_t linebytes, scanline;
69 uint16 config = PLANARCONFIG_CONTIG;
70 uint32 rowsperstrip = (uint32) -1;
75 while ((c = getopt(argc, argv, "c:r:h")) != -1)
77 case 'c': /* compression scheme */
78 if (!processCompressOptions(optarg))
81 case 'r': /* rows/strip */
82 rowsperstrip = atoi(optarg);
88 if (argc - optind != 2)
90 in = fopen(argv[optind], "rb");
92 fprintf(stderr, "%s: Can not open.\n", argv[optind]);
95 if (fread(&h, sizeof (h), 1, in) != 1) {
96 fprintf(stderr, "%s: Can not read header.\n", argv[optind]);
100 if (strcmp(h.ras_magic, RAS_MAGIC) == 0) {
101 #ifndef WORDS_BIGENDIAN
102 TIFFSwabLong((uint32 *)&h.ras_width);
103 TIFFSwabLong((uint32 *)&h.ras_height);
104 TIFFSwabLong((uint32 *)&h.ras_depth);
105 TIFFSwabLong((uint32 *)&h.ras_length);
106 TIFFSwabLong((uint32 *)&h.ras_type);
107 TIFFSwabLong((uint32 *)&h.ras_maptype);
108 TIFFSwabLong((uint32 *)&h.ras_maplength);
110 } else if (strcmp(h.ras_magic, RAS_MAGIC_INV) == 0) {
111 #ifdef WORDS_BIGENDIAN
112 TIFFSwabLong((uint32 *)&h.ras_width);
113 TIFFSwabLong((uint32 *)&h.ras_height);
114 TIFFSwabLong((uint32 *)&h.ras_depth);
115 TIFFSwabLong((uint32 *)&h.ras_length);
116 TIFFSwabLong((uint32 *)&h.ras_type);
117 TIFFSwabLong((uint32 *)&h.ras_maptype);
118 TIFFSwabLong((uint32 *)&h.ras_maplength);
121 fprintf(stderr, "%s: Not a rasterfile.\n", argv[optind]);
125 out = TIFFOpen(argv[optind+1], "w");
131 TIFFSetField(out, TIFFTAG_IMAGEWIDTH, (uint32) h.ras_width);
132 TIFFSetField(out, TIFFTAG_IMAGELENGTH, (uint32) h.ras_height);
133 TIFFSetField(out, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT);
134 TIFFSetField(out, TIFFTAG_SAMPLESPERPIXEL, h.ras_depth > 8 ? 3 : 1);
135 TIFFSetField(out, TIFFTAG_BITSPERSAMPLE, h.ras_depth > 1 ? 8 : 1);
136 TIFFSetField(out, TIFFTAG_PLANARCONFIG, config);
137 if (h.ras_maptype != RMT_NONE) {
139 register uint16* map;
143 buf = (unsigned char *)_TIFFmalloc(h.ras_maplength);
145 fprintf(stderr, "No space to read in colormap.\n");
148 if (fread(buf, h.ras_maplength, 1, in) != 1) {
149 fprintf(stderr, "%s: Read error on colormap.\n",
153 mapsize = 1<<h.ras_depth;
154 if (h.ras_maplength > mapsize*3) {
156 "%s: Huh, %ld colormap entries, should be %d?\n",
157 argv[optind], h.ras_maplength, mapsize*3);
160 red = (uint16*)_TIFFmalloc(mapsize * 3 * sizeof (uint16));
162 fprintf(stderr, "No space for colormap.\n");
166 for (j = 0; j < 3; j++) {
167 #define SCALE(x) (((x)*((1L<<16)-1))/255)
168 for (i = h.ras_maplength/3; i-- > 0;)
169 *map++ = SCALE(*buf++);
170 if ((i = h.ras_maplength/3) < mapsize) {
172 _TIFFmemset(map, 0, i*sizeof (uint16));
176 TIFFSetField(out, TIFFTAG_COLORMAP,
177 red, red + mapsize, red + 2*mapsize);
178 photometric = PHOTOMETRIC_PALETTE;
179 if (compression == (uint16) -1)
180 compression = COMPRESSION_PACKBITS;
181 TIFFSetField(out, TIFFTAG_COMPRESSION, compression);
183 /* XXX this is bogus... */
184 photometric = h.ras_depth == 24 ?
185 PHOTOMETRIC_RGB : PHOTOMETRIC_MINISBLACK;
186 if (compression == (uint16) -1)
187 compression = COMPRESSION_LZW;
188 TIFFSetField(out, TIFFTAG_COMPRESSION, compression);
190 switch (compression) {
191 case COMPRESSION_JPEG:
192 if (photometric == PHOTOMETRIC_RGB && jpegcolormode == JPEGCOLORMODE_RGB)
193 photometric = PHOTOMETRIC_YCBCR;
194 TIFFSetField(out, TIFFTAG_JPEGQUALITY, quality);
195 TIFFSetField(out, TIFFTAG_JPEGCOLORMODE, jpegcolormode);
197 case COMPRESSION_LZW:
198 case COMPRESSION_DEFLATE:
200 TIFFSetField(out, TIFFTAG_PREDICTOR, predictor);
203 TIFFSetField(out, TIFFTAG_PHOTOMETRIC, photometric);
204 linebytes = ((h.ras_depth*h.ras_width+15) >> 3) &~ 1;
205 scanline = TIFFScanlineSize(out);
206 if (scanline > linebytes) {
207 buf = (unsigned char *)_TIFFmalloc(scanline);
208 _TIFFmemset(buf+linebytes, 0, scanline-linebytes);
210 buf = (unsigned char *)_TIFFmalloc(linebytes);
211 TIFFSetField(out, TIFFTAG_ROWSPERSTRIP,
212 TIFFDefaultStripSize(out, rowsperstrip));
213 for (row = 0; row < h.ras_height; row++) {
214 if (fread(buf, linebytes, 1, in) != 1) {
215 fprintf(stderr, "%s: scanline %ld: Read error.\n",
219 if (h.ras_type == RT_STANDARD && h.ras_depth == 24) {
220 tsize_t cc = h.ras_width;
221 unsigned char* cp = buf;
222 #define SWAP(a,b) { unsigned char t = (a); (a) = (b); (b) = t; }
228 if (TIFFWriteScanline(out, buf, row, 0) < 0)
231 (void) TIFFClose(out);
237 processCompressOptions(char* opt)
239 if (streq(opt, "none"))
240 compression = COMPRESSION_NONE;
241 else if (streq(opt, "packbits"))
242 compression = COMPRESSION_PACKBITS;
243 else if (strneq(opt, "jpeg", 4)) {
244 char* cp = strchr(opt, ':');
246 compression = COMPRESSION_JPEG;
249 if (isdigit((int)cp[1]))
250 quality = atoi(cp+1);
251 else if (cp[1] == 'r' )
252 jpegcolormode = JPEGCOLORMODE_RAW;
256 cp = strchr(cp+1,':');
258 } else if (strneq(opt, "lzw", 3)) {
259 char* cp = strchr(opt, ':');
261 predictor = atoi(cp+1);
262 compression = COMPRESSION_LZW;
263 } else if (strneq(opt, "zip", 3)) {
264 char* cp = strchr(opt, ':');
266 predictor = atoi(cp+1);
267 compression = COMPRESSION_DEFLATE;
274 "usage: ras2tiff [options] input.ras output.tif",
275 "where options are:",
276 " -r # make each strip have no more than # rows",
278 " -c lzw[:opts] compress output with Lempel-Ziv & Welch encoding",
279 " -c zip[:opts] compress output with deflate encoding",
280 " -c jpeg[:opts] compress output with JPEG encoding",
281 " -c packbits compress output with packbits encoding",
282 " -c none use no compression algorithm on output",
285 " # set compression quality level (0-100, default 75)",
286 " r output color image as RGB rather than YCbCr",
287 "For example, -c jpeg:r:50 to get JPEG-encoded RGB data with 50% comp. quality",
289 "LZW and deflate options:",
290 " # set predictor value",
291 "For example, -c lzw:2 to get LZW-encoded data with horizontal differencing",
292 " -h this help message",
303 fprintf(stderr, "%s\n\n", TIFFGetVersion());
304 for (i = 0; stuff[i] != NULL; i++)
305 fprintf(stderr, "%s\n", stuff[i]);
309 /* vim: set ts=8 sts=8 sw=8 noet: */