[wxWidgets.git] / src / tiff / tools / ras2tiff.c


/*
 * 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>

#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;
	extern int optind;
	extern char* optarg;

	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);
	}
	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, %ld 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:
 */
Commit	Line	Data
8414a40c VZ	1
	2	/*
	3	* Copyright (c) 1988-1997 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
80ed523f VZ	37	#ifdef NEED_LIBPORT
	38	# include "libport.h"
	39	#endif
	40
8414a40c VZ	41	#include "rasterfile.h"
	42	#include "tiffio.h"
	43
	44	#ifndef howmany
	45	#define howmany(x, y) (((x)+((y)-1))/(y))
	46	#endif
	47	#define streq(a,b) (strcmp(a,b) == 0)
	48	#define strneq(a,b,n) (strncmp(a,b,n) == 0)
	49
8414a40c VZ	50	static uint16 compression = (uint16) -1;
	51	static int jpegcolormode = JPEGCOLORMODE_RGB;
	52	static int quality = 75; /* JPEG quality */
	53	static uint16 predictor = 0;
	54
	55	static void usage(void);
	56	static int processCompressOptions(char*);
	57
	58	int
	59	main(int argc, char* argv[])
	60	{
	61	unsigned char* buf;
	62	long row;
	63	tsize_t linebytes, scanline;
	64	TIFF *out;
	65	FILE *in;
	66	struct rasterfile h;
	67	uint16 photometric;
	68	uint16 config = PLANARCONFIG_CONTIG;
	69	uint32 rowsperstrip = (uint32) -1;
	70	int c;
	71	extern int optind;
	72	extern char* optarg;
	73
	74	while ((c = getopt(argc, argv, "c:r:h")) != -1)
	75	switch (c) {
	76	case 'c': /* compression scheme */
	77	if (!processCompressOptions(optarg))
	78	usage();
	79	break;
	80	case 'r': /* rows/strip */
	81	rowsperstrip = atoi(optarg);
	82	break;
	83	case 'h':
	84	usage();
	85	/NOTREACHED/
	86	}
	87	if (argc - optind != 2)
	88	usage();
80ed523f	89	in = fopen(argv[optind], "rb");
8414a40c VZ	90	if (in == NULL) {
	91	fprintf(stderr, "%s: Can not open.\n", argv[optind]);
	92	return (-1);
	93	}
	94	if (fread(&h, sizeof (h), 1, in) != 1) {
	95	fprintf(stderr, "%s: Can not read header.\n", argv[optind]);
80ed523f	96	fclose(in);
8414a40c VZ	97	return (-2);
	98	}
	99	if (strcmp(h.ras_magic, RAS_MAGIC) == 0) {
	100	#ifndef WORDS_BIGENDIAN
	101	TIFFSwabLong((uint32 *)&h.ras_width);
	102	TIFFSwabLong((uint32 *)&h.ras_height);
	103	TIFFSwabLong((uint32 *)&h.ras_depth);
	104	TIFFSwabLong((uint32 *)&h.ras_length);
	105	TIFFSwabLong((uint32 *)&h.ras_type);
	106	TIFFSwabLong((uint32 *)&h.ras_maptype);
	107	TIFFSwabLong((uint32 *)&h.ras_maplength);
	108	#endif
	109	} else if (strcmp(h.ras_magic, RAS_MAGIC_INV) == 0) {
	110	#ifdef WORDS_BIGENDIAN
	111	TIFFSwabLong((uint32 *)&h.ras_width);
	112	TIFFSwabLong((uint32 *)&h.ras_height);
	113	TIFFSwabLong((uint32 *)&h.ras_depth);
	114	TIFFSwabLong((uint32 *)&h.ras_length);
	115	TIFFSwabLong((uint32 *)&h.ras_type);
	116	TIFFSwabLong((uint32 *)&h.ras_maptype);
	117	TIFFSwabLong((uint32 *)&h.ras_maplength);
	118	#endif
	119	} else {
	120	fprintf(stderr, "%s: Not a rasterfile.\n", argv[optind]);
80ed523f	121	fclose(in);
8414a40c VZ	122	return (-3);
	123	}
	124	out = TIFFOpen(argv[optind+1], "w");
	125	if (out == NULL)
80ed523f VZ	126	{
80ed523f VZ	127	fclose(in);
8414a40c	128	return (-4);
80ed523f	129	}
8414a40c VZ	130	TIFFSetField(out, TIFFTAG_IMAGEWIDTH, (uint32) h.ras_width);
	131	TIFFSetField(out, TIFFTAG_IMAGELENGTH, (uint32) h.ras_height);
	132	TIFFSetField(out, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT);
	133	TIFFSetField(out, TIFFTAG_SAMPLESPERPIXEL, h.ras_depth > 8 ? 3 : 1);
	134	TIFFSetField(out, TIFFTAG_BITSPERSAMPLE, h.ras_depth > 1 ? 8 : 1);
	135	TIFFSetField(out, TIFFTAG_PLANARCONFIG, config);
	136	if (h.ras_maptype != RMT_NONE) {
	137	uint16* red;
	138	register uint16* map;
	139	register int i, j;
	140	int mapsize;
	141
	142	buf = (unsigned char *)_TIFFmalloc(h.ras_maplength);
	143	if (buf == NULL) {
	144	fprintf(stderr, "No space to read in colormap.\n");
	145	return (-5);
	146	}
	147	if (fread(buf, h.ras_maplength, 1, in) != 1) {
	148	fprintf(stderr, "%s: Read error on colormap.\n",
	149	argv[optind]);
	150	return (-6);
	151	}
	152	mapsize = 1<<h.ras_depth;
	153	if (h.ras_maplength > mapsize*3) {
	154	fprintf(stderr,
	155	"%s: Huh, %ld colormap entries, should be %d?\n",
	156	argv[optind], h.ras_maplength, mapsize*3);
	157	return (-7);
	158	}
	159	red = (uint16)_TIFFmalloc(mapsize 3 * sizeof (uint16));
	160	if (red == NULL) {
	161	fprintf(stderr, "No space for colormap.\n");
	162	return (-8);
	163	}
	164	map = red;
	165	for (j = 0; j < 3; j++) {
	166	#define SCALE(x) (((x)*((1L<<16)-1))/255)
	167	for (i = h.ras_maplength/3; i-- > 0;)
	168	map++ = SCALE(buf++);
	169	if ((i = h.ras_maplength/3) < mapsize) {
	170	i = mapsize - i;
	171	_TIFFmemset(map, 0, i*sizeof (uint16));
	172	map += i;
	173	}
	174	}
	175	TIFFSetField(out, TIFFTAG_COLORMAP,
	176	red, red + mapsize, red + 2*mapsize);
	177	photometric = PHOTOMETRIC_PALETTE;
	178	if (compression == (uint16) -1)
	179	compression = COMPRESSION_PACKBITS;
	180	TIFFSetField(out, TIFFTAG_COMPRESSION, compression);
	181	} else {
	182	/* XXX this is bogus... */
	183	photometric = h.ras_depth == 24 ?
	184	PHOTOMETRIC_RGB : PHOTOMETRIC_MINISBLACK;
	185	if (compression == (uint16) -1)
	186	compression = COMPRESSION_LZW;
	187	TIFFSetField(out, TIFFTAG_COMPRESSION, compression);
	188	}
	189	switch (compression) {
	190	case COMPRESSION_JPEG:
	191	if (photometric == PHOTOMETRIC_RGB && jpegcolormode == JPEGCOLORMODE_RGB)
	192	photometric = PHOTOMETRIC_YCBCR;
	193	TIFFSetField(out, TIFFTAG_JPEGQUALITY, quality);
194	TIFFSetField(out, TIFFTAG_JPEGCOLORMODE, jpegcolormode);
195	break;
196	case COMPRESSION_LZW:
197	case COMPRESSION_DEFLATE:
198	if (predictor != 0)
199	TIFFSetField(out, TIFFTAG_PREDICTOR, predictor);
200	break;
201	}
202	TIFFSetField(out, TIFFTAG_PHOTOMETRIC, photometric);
203	linebytes = ((h.ras_depth*h.ras_width+15) >> 3) &~ 1;
204	scanline = TIFFScanlineSize(out);
205	if (scanline > linebytes) {
206	buf = (unsigned char *)_TIFFmalloc(scanline);
207	_TIFFmemset(buf+linebytes, 0, scanline-linebytes);
208	} else
209	buf = (unsigned char *)_TIFFmalloc(linebytes);
210	TIFFSetField(out, TIFFTAG_ROWSPERSTRIP,
211	TIFFDefaultStripSize(out, rowsperstrip));
212	for (row = 0; row < h.ras_height; row++) {
213	if (fread(buf, linebytes, 1, in) != 1) {
214	fprintf(stderr, "%s: scanline %ld: Read error.\n",
215	argv[optind], row);
216	break;
217	}
218	if (h.ras_type == RT_STANDARD && h.ras_depth == 24) {
219	tsize_t cc = h.ras_width;
220	unsigned char* cp = buf;
221	#define SWAP(a,b) { unsigned char t = (a); (a) = (b); (b) = t; }
222	do {
223	SWAP(cp[0], cp[2]);
224	cp += 3;
225	} while (--cc);
226	}
227	if (TIFFWriteScanline(out, buf, row, 0) < 0)
228	break;
229	}
230	(void) TIFFClose(out);
80ed523f	231	fclose(in);
8414a40c VZ	232	return (0);
	233	}
	234
	235	static int
	236	processCompressOptions(char* opt)
	237	{
	238	if (streq(opt, "none"))
	239	compression = COMPRESSION_NONE;
	240	else if (streq(opt, "packbits"))
	241	compression = COMPRESSION_PACKBITS;
	242	else if (strneq(opt, "jpeg", 4)) {
	243	char* cp = strchr(opt, ':');
	244
	245	compression = COMPRESSION_JPEG;
	246	while( cp )
	247	{
	248	if (isdigit((int)cp[1]))
	249	quality = atoi(cp+1);
	250	else if (cp[1] == 'r' )
	251	jpegcolormode = JPEGCOLORMODE_RAW;
	252	else
	253	usage();
	254
	255	cp = strchr(cp+1,':');
	256	}
	257	} else if (strneq(opt, "lzw", 3)) {
	258	char* cp = strchr(opt, ':');
	259	if (cp)
	260	predictor = atoi(cp+1);
	261	compression = COMPRESSION_LZW;
	262	} else if (strneq(opt, "zip", 3)) {
	263	char* cp = strchr(opt, ':');
	264	if (cp)
	265	predictor = atoi(cp+1);
	266	compression = COMPRESSION_DEFLATE;
	267	} else
	268	return (0);
	269	return (1);
	270	}
	271
	272	char* stuff[] = {
	273	"usage: ras2tiff [options] input.ras output.tif",
	274	"where options are:",
	275	" -r # make each strip have no more than # rows",
	276	"",
	277	" -c lzw[:opts] compress output with Lempel-Ziv & Welch encoding",
	278	" -c zip[:opts] compress output with deflate encoding",
	279	" -c jpeg[:opts] compress output with JPEG encoding",
	280	" -c packbits compress output with packbits encoding",
	281	" -c none use no compression algorithm on output",
	282	"",
	283	"JPEG options:",
	284	" # set compression quality level (0-100, default 75)",
	285	" r output color image as RGB rather than YCbCr",
	286	"For example, -c jpeg:r:50 to get JPEG-encoded RGB data with 50% comp. quality",
	287	"",
	288	"LZW and deflate options:",
	289	" # set predictor value",
	290	"For example, -c lzw:2 to get LZW-encoded data with horizontal differencing",
	291	" -h this help message",
	292	NULL
	293	};
	294
	295	static void
296	usage(void)
297	{
298	char buf[BUFSIZ];
299	int i;
300
301	setbuf(stderr, buf);
302	fprintf(stderr, "%s\n\n", TIFFGetVersion());
303	for (i = 0; stuff[i] != NULL; i++)
304	fprintf(stderr, "%s\n", stuff[i]);
305	exit(-1);
306	}
307
308	/* vim: set ts=8 sts=8 sw=8 noet: */
80ed523f VZ	309	/*
	310	* Local Variables:
	311	* mode: c
	312	* c-basic-offset: 8
	313	* fill-column: 78
	314	* End:
	315	*/