1 /* $Id: ppm2tiff.c,v 1.16 2010-04-10 19:22:34 bfriesen Exp $ */
4 * Copyright (c) 1991-1997 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"
53 extern int getopt(int, char**, char*);
56 #define streq(a,b) (strcmp(a,b) == 0)
57 #define strneq(a,b,n) (strncmp(a,b,n) == 0)
59 static uint16 compression = COMPRESSION_PACKBITS;
60 static uint16 predictor = 0;
61 static int quality = 75; /* JPEG quality */
62 static int jpegcolormode = JPEGCOLORMODE_RGB;
65 static void usage(void);
66 static int processCompressOptions(char*);
71 fprintf(stderr, "%s: Not a PPM file.\n", file);
76 main(int argc, char* argv[])
78 uint16 photometric = 0;
79 uint32 rowsperstrip = (uint32) -1;
80 double resolution = -1;
81 unsigned char *buf = NULL;
82 tsize_t linebytes = 0;
87 unsigned int w, h, prec, row;
94 fprintf(stderr, "%s: Too few arguments\n", argv[0]);
97 while ((c = getopt(argc, argv, "c:r:R:")) != -1)
99 case 'c': /* compression scheme */
100 if (!processCompressOptions(optarg))
103 case 'r': /* rows/strip */
104 rowsperstrip = atoi(optarg);
106 case 'R': /* resolution */
107 resolution = atof(optarg);
114 if (optind + 2 < argc) {
115 fprintf(stderr, "%s: Too many arguments\n", argv[0]);
120 * If only one file is specified, read input from
121 * stdin; otherwise usage is: ppm2tiff input output.
123 if (argc - optind > 1) {
124 infile = argv[optind++];
125 in = fopen(infile, "rb");
127 fprintf(stderr, "%s: Can not open.\n", infile);
133 #if defined(HAVE_SETMODE) && defined(O_BINARY)
134 setmode(fileno(stdin), O_BINARY);
138 if (fgetc(in) != 'P')
141 case '4': /* it's a PBM file */
144 photometric = PHOTOMETRIC_MINISWHITE;
146 case '5': /* it's a PGM file */
149 photometric = PHOTOMETRIC_MINISBLACK;
151 case '6': /* it's a PPM file */
154 photometric = PHOTOMETRIC_RGB;
155 if (compression == COMPRESSION_JPEG &&
156 jpegcolormode == JPEGCOLORMODE_RGB)
157 photometric = PHOTOMETRIC_YCBCR;
168 /* Skip whitespaces (blanks, TABs, CRs, LFs) */
169 if (strchr(" \t\r\n", c))
172 /* Check for comment line */
176 } while(!(strchr("\r\n", c) || feof(in)));
185 if (fscanf(in, " %u %u", &w, &h) != 2)
187 if (fgetc(in) != '\n')
191 if (fscanf(in, " %u %u %u", &w, &h, &prec) != 3)
193 if (fgetc(in) != '\n' || prec != 255)
197 out = TIFFOpen(argv[optind], "w");
200 TIFFSetField(out, TIFFTAG_IMAGEWIDTH, (uint32) w);
201 TIFFSetField(out, TIFFTAG_IMAGELENGTH, (uint32) h);
202 TIFFSetField(out, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT);
203 TIFFSetField(out, TIFFTAG_SAMPLESPERPIXEL, spp);
204 TIFFSetField(out, TIFFTAG_BITSPERSAMPLE, bpp);
205 TIFFSetField(out, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
206 TIFFSetField(out, TIFFTAG_PHOTOMETRIC, photometric);
207 TIFFSetField(out, TIFFTAG_COMPRESSION, compression);
208 switch (compression) {
209 case COMPRESSION_JPEG:
210 TIFFSetField(out, TIFFTAG_JPEGQUALITY, quality);
211 TIFFSetField(out, TIFFTAG_JPEGCOLORMODE, jpegcolormode);
213 case COMPRESSION_LZW:
214 case COMPRESSION_DEFLATE:
216 TIFFSetField(out, TIFFTAG_PREDICTOR, predictor);
218 case COMPRESSION_CCITTFAX3:
219 TIFFSetField(out, TIFFTAG_GROUP3OPTIONS, g3opts);
224 linebytes = (spp * w + (8 - 1)) / 8;
225 if (rowsperstrip == (uint32) -1) {
226 TIFFSetField(out, TIFFTAG_ROWSPERSTRIP, h);
228 TIFFSetField(out, TIFFTAG_ROWSPERSTRIP,
229 TIFFDefaultStripSize(out, rowsperstrip));
234 TIFFSetField(out, TIFFTAG_ROWSPERSTRIP,
235 TIFFDefaultStripSize(out, rowsperstrip));
238 if (TIFFScanlineSize(out) > linebytes)
239 buf = (unsigned char *)_TIFFmalloc(linebytes);
241 buf = (unsigned char *)_TIFFmalloc(TIFFScanlineSize(out));
242 if (resolution > 0) {
243 TIFFSetField(out, TIFFTAG_XRESOLUTION, resolution);
244 TIFFSetField(out, TIFFTAG_YRESOLUTION, resolution);
245 TIFFSetField(out, TIFFTAG_RESOLUTIONUNIT, RESUNIT_INCH);
247 for (row = 0; row < h; row++) {
248 if (fread(buf, linebytes, 1, in) != 1) {
249 fprintf(stderr, "%s: scanline %lu: Read error.\n",
250 infile, (unsigned long) row);
253 if (TIFFWriteScanline(out, buf, row, 0) < 0)
256 (void) TIFFClose(out);
263 processG3Options(char* cp)
266 if( (cp = strchr(cp, ':')) ) {
269 if (strneq(cp, "1d", 2))
270 g3opts &= ~GROUP3OPT_2DENCODING;
271 else if (strneq(cp, "2d", 2))
272 g3opts |= GROUP3OPT_2DENCODING;
273 else if (strneq(cp, "fill", 4))
274 g3opts |= GROUP3OPT_FILLBITS;
277 } while( (cp = strchr(cp, ':')) );
282 processCompressOptions(char* opt)
284 if (streq(opt, "none"))
285 compression = COMPRESSION_NONE;
286 else if (streq(opt, "packbits"))
287 compression = COMPRESSION_PACKBITS;
288 else if (strneq(opt, "jpeg", 4)) {
289 char* cp = strchr(opt, ':');
291 compression = COMPRESSION_JPEG;
294 if (isdigit((int)cp[1]))
295 quality = atoi(cp+1);
296 else if (cp[1] == 'r' )
297 jpegcolormode = JPEGCOLORMODE_RAW;
301 cp = strchr(cp+1,':');
303 } else if (strneq(opt, "g3", 2)) {
304 processG3Options(opt);
305 compression = COMPRESSION_CCITTFAX3;
306 } else if (streq(opt, "g4")) {
307 compression = COMPRESSION_CCITTFAX4;
308 } else if (strneq(opt, "lzw", 3)) {
309 char* cp = strchr(opt, ':');
311 predictor = atoi(cp+1);
312 compression = COMPRESSION_LZW;
313 } else if (strneq(opt, "zip", 3)) {
314 char* cp = strchr(opt, ':');
316 predictor = atoi(cp+1);
317 compression = COMPRESSION_DEFLATE;
324 "usage: ppm2tiff [options] input.ppm output.tif",
325 "where options are:",
326 " -r # make each strip have no more than # rows",
327 " -R # set x&y resolution (dpi)",
329 " -c jpeg[:opts] compress output with JPEG encoding",
330 " -c lzw[:opts] compress output with Lempel-Ziv & Welch encoding",
331 " -c zip[:opts] compress output with deflate encoding",
332 " -c packbits compress output with packbits encoding (the default)",
333 " -c g3[:opts] compress output with CCITT Group 3 encoding",
334 " -c g4 compress output with CCITT Group 4 encoding",
335 " -c none use no compression algorithm on output",
338 " # set compression quality level (0-100, default 75)",
339 " r output color image as RGB rather than YCbCr",
340 "LZW and deflate options:",
341 " # set predictor value",
342 "For example, -c lzw:2 to get LZW-encoded data with horizontal differencing",
353 fprintf(stderr, "%s\n\n", TIFFGetVersion());
354 for (i = 0; stuff[i] != NULL; i++)
355 fprintf(stderr, "%s\n", stuff[i]);
359 /* vim: set ts=8 sts=8 sw=8 noet: */