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[wxWidgets.git] / src / tiff / tools / ppm2tiff.c
1
2 /*
3 * Copyright (c) 1991-1997 Sam Leffler
4 * Copyright (c) 1991-1997 Silicon Graphics, Inc.
5 *
6 * Permission to use, copy, modify, distribute, and sell this software and
7 * its documentation for any purpose is hereby granted without fee, provided
8 * that (i) the above copyright notices and this permission notice appear in
9 * all copies of the software and related documentation, and (ii) the names of
10 * Sam Leffler and Silicon Graphics may not be used in any advertising or
11 * publicity relating to the software without the specific, prior written
12 * permission of Sam Leffler and Silicon Graphics.
13 *
14 * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
15 * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
16 * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
17 *
18 * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
19 * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
20 * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
21 * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
22 * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
23 * OF THIS SOFTWARE.
24 */
25
26 #include "tif_config.h"
27
28 #include <stdio.h>
29 #include <stdlib.h>
30 #include <string.h>
31 #include <ctype.h>
32
33 #ifdef HAVE_UNISTD_H
34 # include <unistd.h>
35 #endif
36
37 #ifdef HAVE_FCNTL_H
38 # include <fcntl.h>
39 #endif
40
41 #ifdef HAVE_IO_H
42 # include <io.h>
43 #endif
44
45 #ifdef NEED_LIBPORT
46 # include "libport.h"
47 #endif
48
49 #include "tiffio.h"
50
51 #ifndef HAVE_GETOPT
52 extern int getopt(int, char**, char*);
53 #endif
54
55 #define streq(a,b) (strcmp(a,b) == 0)
56 #define strneq(a,b,n) (strncmp(a,b,n) == 0)
57
58 static uint16 compression = COMPRESSION_PACKBITS;
59 static uint16 predictor = 0;
60 static int quality = 75; /* JPEG quality */
61 static int jpegcolormode = JPEGCOLORMODE_RGB;
62 static uint32 g3opts;
63
64 static void usage(void);
65 static int processCompressOptions(char*);
66
67 static void
68 BadPPM(char* file)
69 {
70 fprintf(stderr, "%s: Not a PPM file.\n", file);
71 exit(-2);
72 }
73
74 int
75 main(int argc, char* argv[])
76 {
77 uint16 photometric = 0;
78 uint32 rowsperstrip = (uint32) -1;
79 double resolution = -1;
80 unsigned char *buf = NULL;
81 tsize_t linebytes = 0;
82 uint16 spp = 1;
83 uint16 bpp = 8;
84 TIFF *out;
85 FILE *in;
86 unsigned int w, h, prec, row;
87 char *infile;
88 int c;
89 extern int optind;
90 extern char* optarg;
91
92 if (argc < 2) {
93 fprintf(stderr, "%s: Too few arguments\n", argv[0]);
94 usage();
95 }
96 while ((c = getopt(argc, argv, "c:r:R:")) != -1)
97 switch (c) {
98 case 'c': /* compression scheme */
99 if (!processCompressOptions(optarg))
100 usage();
101 break;
102 case 'r': /* rows/strip */
103 rowsperstrip = atoi(optarg);
104 break;
105 case 'R': /* resolution */
106 resolution = atof(optarg);
107 break;
108 case '?':
109 usage();
110 /*NOTREACHED*/
111 }
112
113 if (optind + 2 < argc) {
114 fprintf(stderr, "%s: Too many arguments\n", argv[0]);
115 usage();
116 }
117
118 /*
119 * If only one file is specified, read input from
120 * stdin; otherwise usage is: ppm2tiff input output.
121 */
122 if (argc - optind > 1) {
123 infile = argv[optind++];
124 in = fopen(infile, "rb");
125 if (in == NULL) {
126 fprintf(stderr, "%s: Can not open.\n", infile);
127 return (-1);
128 }
129 } else {
130 infile = "<stdin>";
131 in = stdin;
132 #if defined(HAVE_SETMODE) && defined(O_BINARY)
133 setmode(fileno(stdin), O_BINARY);
134 #endif
135 }
136
137 if (fgetc(in) != 'P')
138 BadPPM(infile);
139 switch (fgetc(in)) {
140 case '4': /* it's a PBM file */
141 bpp = 1;
142 spp = 1;
143 photometric = PHOTOMETRIC_MINISWHITE;
144 break;
145 case '5': /* it's a PGM file */
146 bpp = 8;
147 spp = 1;
148 photometric = PHOTOMETRIC_MINISBLACK;
149 break;
150 case '6': /* it's a PPM file */
151 bpp = 8;
152 spp = 3;
153 photometric = PHOTOMETRIC_RGB;
154 if (compression == COMPRESSION_JPEG &&
155 jpegcolormode == JPEGCOLORMODE_RGB)
156 photometric = PHOTOMETRIC_YCBCR;
157 break;
158 default:
159 BadPPM(infile);
160 }
161
162 /* Parse header */
163 while(1) {
164 if (feof(in))
165 BadPPM(infile);
166 c = fgetc(in);
167 /* Skip whitespaces (blanks, TABs, CRs, LFs) */
168 if (strchr(" \t\r\n", c))
169 continue;
170
171 /* Check for comment line */
172 if (c == '#') {
173 do {
174 c = fgetc(in);
175 } while(!(strchr("\r\n", c) || feof(in)));
176 continue;
177 }
178
179 ungetc(c, in);
180 break;
181 }
182 switch (bpp) {
183 case 1:
184 if (fscanf(in, " %u %u", &w, &h) != 2)
185 BadPPM(infile);
186 if (fgetc(in) != '\n')
187 BadPPM(infile);
188 break;
189 case 8:
190 if (fscanf(in, " %u %u %u", &w, &h, &prec) != 3)
191 BadPPM(infile);
192 if (fgetc(in) != '\n' || prec != 255)
193 BadPPM(infile);
194 break;
195 }
196 out = TIFFOpen(argv[optind], "w");
197 if (out == NULL)
198 return (-4);
199 TIFFSetField(out, TIFFTAG_IMAGEWIDTH, (uint32) w);
200 TIFFSetField(out, TIFFTAG_IMAGELENGTH, (uint32) h);
201 TIFFSetField(out, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT);
202 TIFFSetField(out, TIFFTAG_SAMPLESPERPIXEL, spp);
203 TIFFSetField(out, TIFFTAG_BITSPERSAMPLE, bpp);
204 TIFFSetField(out, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
205 TIFFSetField(out, TIFFTAG_PHOTOMETRIC, photometric);
206 TIFFSetField(out, TIFFTAG_COMPRESSION, compression);
207 switch (compression) {
208 case COMPRESSION_JPEG:
209 TIFFSetField(out, TIFFTAG_JPEGQUALITY, quality);
210 TIFFSetField(out, TIFFTAG_JPEGCOLORMODE, jpegcolormode);
211 break;
212 case COMPRESSION_LZW:
213 case COMPRESSION_DEFLATE:
214 if (predictor != 0)
215 TIFFSetField(out, TIFFTAG_PREDICTOR, predictor);
216 break;
217 case COMPRESSION_CCITTFAX3:
218 TIFFSetField(out, TIFFTAG_GROUP3OPTIONS, g3opts);
219 break;
220 }
221 switch (bpp) {
222 case 1:
223 linebytes = (spp * w + (8 - 1)) / 8;
224 if (rowsperstrip == (uint32) -1) {
225 TIFFSetField(out, TIFFTAG_ROWSPERSTRIP, h);
226 } else {
227 TIFFSetField(out, TIFFTAG_ROWSPERSTRIP,
228 TIFFDefaultStripSize(out, rowsperstrip));
229 }
230 break;
231 case 8:
232 linebytes = spp * w;
233 TIFFSetField(out, TIFFTAG_ROWSPERSTRIP,
234 TIFFDefaultStripSize(out, rowsperstrip));
235 break;
236 }
237 if (TIFFScanlineSize(out) > linebytes)
238 buf = (unsigned char *)_TIFFmalloc(linebytes);
239 else
240 buf = (unsigned char *)_TIFFmalloc(TIFFScanlineSize(out));
241 if (resolution > 0) {
242 TIFFSetField(out, TIFFTAG_XRESOLUTION, resolution);
243 TIFFSetField(out, TIFFTAG_YRESOLUTION, resolution);
244 TIFFSetField(out, TIFFTAG_RESOLUTIONUNIT, RESUNIT_INCH);
245 }
246 for (row = 0; row < h; row++) {
247 if (fread(buf, linebytes, 1, in) != 1) {
248 fprintf(stderr, "%s: scanline %lu: Read error.\n",
249 infile, (unsigned long) row);
250 break;
251 }
252 if (TIFFWriteScanline(out, buf, row, 0) < 0)
253 break;
254 }
255 (void) TIFFClose(out);
256 if (buf)
257 _TIFFfree(buf);
258 return (0);
259 }
260
261 static void
262 processG3Options(char* cp)
263 {
264 g3opts = 0;
265 if( (cp = strchr(cp, ':')) ) {
266 do {
267 cp++;
268 if (strneq(cp, "1d", 2))
269 g3opts &= ~GROUP3OPT_2DENCODING;
270 else if (strneq(cp, "2d", 2))
271 g3opts |= GROUP3OPT_2DENCODING;
272 else if (strneq(cp, "fill", 4))
273 g3opts |= GROUP3OPT_FILLBITS;
274 else
275 usage();
276 } while( (cp = strchr(cp, ':')) );
277 }
278 }
279
280 static int
281 processCompressOptions(char* opt)
282 {
283 if (streq(opt, "none"))
284 compression = COMPRESSION_NONE;
285 else if (streq(opt, "packbits"))
286 compression = COMPRESSION_PACKBITS;
287 else if (strneq(opt, "jpeg", 4)) {
288 char* cp = strchr(opt, ':');
289
290 compression = COMPRESSION_JPEG;
291 while (cp)
292 {
293 if (isdigit((int)cp[1]))
294 quality = atoi(cp+1);
295 else if (cp[1] == 'r' )
296 jpegcolormode = JPEGCOLORMODE_RAW;
297 else
298 usage();
299
300 cp = strchr(cp+1,':');
301 }
302 } else if (strneq(opt, "g3", 2)) {
303 processG3Options(opt);
304 compression = COMPRESSION_CCITTFAX3;
305 } else if (streq(opt, "g4")) {
306 compression = COMPRESSION_CCITTFAX4;
307 } else if (strneq(opt, "lzw", 3)) {
308 char* cp = strchr(opt, ':');
309 if (cp)
310 predictor = atoi(cp+1);
311 compression = COMPRESSION_LZW;
312 } else if (strneq(opt, "zip", 3)) {
313 char* cp = strchr(opt, ':');
314 if (cp)
315 predictor = atoi(cp+1);
316 compression = COMPRESSION_DEFLATE;
317 } else
318 return (0);
319 return (1);
320 }
321
322 char* stuff[] = {
323 "usage: ppm2tiff [options] input.ppm output.tif",
324 "where options are:",
325 " -r # make each strip have no more than # rows",
326 " -R # set x&y resolution (dpi)",
327 "",
328 " -c jpeg[:opts] compress output with JPEG encoding",
329 " -c lzw[:opts] compress output with Lempel-Ziv & Welch encoding",
330 " -c zip[:opts] compress output with deflate encoding",
331 " -c packbits compress output with packbits encoding (the default)",
332 " -c g3[:opts] compress output with CCITT Group 3 encoding",
333 " -c g4 compress output with CCITT Group 4 encoding",
334 " -c none use no compression algorithm on output",
335 "",
336 "JPEG options:",
337 " # set compression quality level (0-100, default 75)",
338 " r output color image as RGB rather than YCbCr",
339 "LZW and deflate options:",
340 " # set predictor value",
341 "For example, -c lzw:2 to get LZW-encoded data with horizontal differencing",
342 NULL
343 };
344
345 static void
346 usage(void)
347 {
348 char buf[BUFSIZ];
349 int i;
350
351 setbuf(stderr, buf);
352 fprintf(stderr, "%s\n\n", TIFFGetVersion());
353 for (i = 0; stuff[i] != NULL; i++)
354 fprintf(stderr, "%s\n", stuff[i]);
355 exit(-1);
356 }
357
358 /* vim: set ts=8 sts=8 sw=8 noet: */
359 /*
360 * Local Variables:
361 * mode: c
362 * c-basic-offset: 8
363 * fill-column: 78
364 * End:
365 */
wxWidgets (Impactor)