478 lines
14 KiB
C
478 lines
14 KiB
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 <string.h>
|
|
#include <stdlib.h>
|
|
#include <ctype.h>
|
|
|
|
#ifdef HAVE_UNISTD_H
|
|
# include <unistd.h>
|
|
#endif
|
|
|
|
#ifdef NEED_LIBPORT
|
|
# include "libport.h"
|
|
#endif
|
|
|
|
#include "tiffio.h"
|
|
|
|
#ifndef EXIT_SUCCESS
|
|
#define EXIT_SUCCESS 0
|
|
#endif
|
|
#ifndef EXIT_FAILURE
|
|
#define EXIT_FAILURE 1
|
|
#endif
|
|
|
|
#define streq(a,b) (strcmp(a,b) == 0)
|
|
#define strneq(a,b,n) (strncmp(a,b,n) == 0)
|
|
|
|
static void usage(int code);
|
|
static void cpTags(TIFF* in, TIFF* out);
|
|
|
|
static int
|
|
checkcmap(int n, uint16* r, uint16* g, uint16* b)
|
|
{
|
|
while (n-- > 0)
|
|
if (*r++ >= 256 || *g++ >= 256 || *b++ >= 256)
|
|
return (16);
|
|
fprintf(stderr, "Warning, assuming 8-bit colormap.\n");
|
|
return (8);
|
|
}
|
|
|
|
#define CopyField(tag, v) \
|
|
if (TIFFGetField(in, tag, &v)) TIFFSetField(out, tag, v)
|
|
#define CopyField3(tag, v1, v2, v3) \
|
|
if (TIFFGetField(in, tag, &v1, &v2, &v3)) TIFFSetField(out, tag, v1, v2, v3)
|
|
|
|
static uint16 compression = (uint16) -1;
|
|
static uint16 predictor = 0;
|
|
static int quality = 75; /* JPEG quality */
|
|
static int jpegcolormode = JPEGCOLORMODE_RGB;
|
|
static int processCompressOptions(char*);
|
|
|
|
int
|
|
main(int argc, char* argv[])
|
|
{
|
|
uint16 bitspersample, shortv;
|
|
uint32 imagewidth, imagelength;
|
|
uint16 config = PLANARCONFIG_CONTIG;
|
|
uint32 rowsperstrip = (uint32) -1;
|
|
uint16 photometric = PHOTOMETRIC_RGB;
|
|
uint16 *rmap, *gmap, *bmap;
|
|
uint32 row;
|
|
int cmap = -1;
|
|
TIFF *in, *out;
|
|
int c;
|
|
|
|
#if !HAVE_DECL_OPTARG
|
|
extern int optind;
|
|
extern char* optarg;
|
|
#endif
|
|
|
|
while ((c = getopt(argc, argv, "C:c:p:r:h")) != -1)
|
|
switch (c) {
|
|
case 'C': /* force colormap interpretation */
|
|
cmap = atoi(optarg);
|
|
break;
|
|
case 'c': /* compression scheme */
|
|
if (!processCompressOptions(optarg))
|
|
usage(EXIT_FAILURE);
|
|
break;
|
|
case 'p': /* planar configuration */
|
|
if (streq(optarg, "separate"))
|
|
config = PLANARCONFIG_SEPARATE;
|
|
else if (streq(optarg, "contig"))
|
|
config = PLANARCONFIG_CONTIG;
|
|
else
|
|
usage(EXIT_FAILURE);
|
|
break;
|
|
case 'r': /* rows/strip */
|
|
rowsperstrip = atoi(optarg);
|
|
break;
|
|
case 'h':
|
|
usage(EXIT_SUCCESS);
|
|
case '?':
|
|
usage(EXIT_FAILURE);
|
|
/*NOTREACHED*/
|
|
}
|
|
if (argc - optind != 2)
|
|
usage(EXIT_FAILURE);
|
|
in = TIFFOpen(argv[optind], "r");
|
|
if (in == NULL)
|
|
return (EXIT_FAILURE);
|
|
if (!TIFFGetField(in, TIFFTAG_PHOTOMETRIC, &shortv) ||
|
|
shortv != PHOTOMETRIC_PALETTE) {
|
|
fprintf(stderr, "%s: Expecting a palette image.\n",
|
|
argv[optind]);
|
|
(void) TIFFClose(in);
|
|
return (EXIT_FAILURE);
|
|
}
|
|
if (!TIFFGetField(in, TIFFTAG_COLORMAP, &rmap, &gmap, &bmap)) {
|
|
fprintf(stderr,
|
|
"%s: No colormap (not a valid palette image).\n",
|
|
argv[optind]);
|
|
(void) TIFFClose(in);
|
|
return (EXIT_FAILURE);
|
|
}
|
|
bitspersample = 0;
|
|
TIFFGetField(in, TIFFTAG_BITSPERSAMPLE, &bitspersample);
|
|
if (bitspersample != 8) {
|
|
fprintf(stderr, "%s: Sorry, can only handle 8-bit images.\n",
|
|
argv[optind]);
|
|
(void) TIFFClose(in);
|
|
return (EXIT_FAILURE);
|
|
}
|
|
out = TIFFOpen(argv[optind+1], "w");
|
|
if (out == NULL) {
|
|
(void) TIFFClose(in);
|
|
return (EXIT_FAILURE);
|
|
}
|
|
cpTags(in, out);
|
|
TIFFGetField(in, TIFFTAG_IMAGEWIDTH, &imagewidth);
|
|
TIFFGetField(in, TIFFTAG_IMAGELENGTH, &imagelength);
|
|
if (compression != (uint16)-1)
|
|
TIFFSetField(out, TIFFTAG_COMPRESSION, compression);
|
|
else
|
|
TIFFGetField(in, TIFFTAG_COMPRESSION, &compression);
|
|
switch (compression) {
|
|
case COMPRESSION_JPEG:
|
|
if (jpegcolormode == JPEGCOLORMODE_RGB)
|
|
photometric = PHOTOMETRIC_YCBCR;
|
|
else
|
|
photometric = PHOTOMETRIC_RGB;
|
|
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);
|
|
TIFFSetField(out, TIFFTAG_SAMPLESPERPIXEL, 3);
|
|
TIFFSetField(out, TIFFTAG_PLANARCONFIG, config);
|
|
TIFFSetField(out, TIFFTAG_ROWSPERSTRIP,
|
|
rowsperstrip = TIFFDefaultStripSize(out, rowsperstrip));
|
|
(void) TIFFGetField(in, TIFFTAG_PLANARCONFIG, &shortv);
|
|
if (cmap == -1)
|
|
cmap = checkcmap(1<<bitspersample, rmap, gmap, bmap);
|
|
if (cmap == 16) {
|
|
/*
|
|
* Convert 16-bit colormap to 8-bit.
|
|
*/
|
|
int i;
|
|
|
|
for (i = (1<<bitspersample)-1; i >= 0; i--) {
|
|
#define CVT(x) (((x) * 255) / ((1L<<16)-1))
|
|
rmap[i] = CVT(rmap[i]);
|
|
gmap[i] = CVT(gmap[i]);
|
|
bmap[i] = CVT(bmap[i]);
|
|
}
|
|
}
|
|
{ unsigned char *ibuf, *obuf;
|
|
register unsigned char* pp;
|
|
register uint32 x;
|
|
tmsize_t tss_in = TIFFScanlineSize(in);
|
|
tmsize_t tss_out = TIFFScanlineSize(out);
|
|
if (tss_out / tss_in < 3) {
|
|
/*
|
|
* BUG 2750: The following code does not know about chroma
|
|
* subsampling of JPEG data. It assumes that the output buffer is 3x
|
|
* the length of the input buffer due to exploding the palette into
|
|
* RGB tuples. If this assumption is incorrect, it could lead to a
|
|
* buffer overflow. Go ahead and fail now to prevent that.
|
|
*/
|
|
fprintf(stderr, "Could not determine correct image size for output. Exiting.\n");
|
|
return EXIT_FAILURE;
|
|
}
|
|
ibuf = (unsigned char*)_TIFFmalloc(tss_in);
|
|
obuf = (unsigned char*)_TIFFmalloc(tss_out);
|
|
switch (config) {
|
|
case PLANARCONFIG_CONTIG:
|
|
for (row = 0; row < imagelength; row++) {
|
|
if (!TIFFReadScanline(in, ibuf, row, 0))
|
|
goto done;
|
|
pp = obuf;
|
|
for (x = 0; x < imagewidth; x++) {
|
|
*pp++ = (unsigned char) rmap[ibuf[x]];
|
|
*pp++ = (unsigned char) gmap[ibuf[x]];
|
|
*pp++ = (unsigned char) bmap[ibuf[x]];
|
|
}
|
|
if (!TIFFWriteScanline(out, obuf, row, 0))
|
|
goto done;
|
|
}
|
|
break;
|
|
case PLANARCONFIG_SEPARATE:
|
|
for (row = 0; row < imagelength; row++) {
|
|
if (!TIFFReadScanline(in, ibuf, row, 0))
|
|
goto done;
|
|
for (pp = obuf, x = 0; x < imagewidth; x++)
|
|
*pp++ = (unsigned char) rmap[ibuf[x]];
|
|
if (!TIFFWriteScanline(out, obuf, row, 0))
|
|
goto done;
|
|
for (pp = obuf, x = 0; x < imagewidth; x++)
|
|
*pp++ = (unsigned char) gmap[ibuf[x]];
|
|
if (!TIFFWriteScanline(out, obuf, row, 0))
|
|
goto done;
|
|
for (pp = obuf, x = 0; x < imagewidth; x++)
|
|
*pp++ = (unsigned char) bmap[ibuf[x]];
|
|
if (!TIFFWriteScanline(out, obuf, row, 0))
|
|
goto done;
|
|
}
|
|
break;
|
|
}
|
|
_TIFFfree(ibuf);
|
|
_TIFFfree(obuf);
|
|
}
|
|
done:
|
|
(void) TIFFClose(in);
|
|
(void) TIFFClose(out);
|
|
return (EXIT_SUCCESS);
|
|
}
|
|
|
|
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(EXIT_FAILURE);
|
|
|
|
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);
|
|
}
|
|
|
|
#define CopyField(tag, v) \
|
|
if (TIFFGetField(in, tag, &v)) TIFFSetField(out, tag, v)
|
|
#define CopyField2(tag, v1, v2) \
|
|
if (TIFFGetField(in, tag, &v1, &v2)) TIFFSetField(out, tag, v1, v2)
|
|
#define CopyField3(tag, v1, v2, v3) \
|
|
if (TIFFGetField(in, tag, &v1, &v2, &v3)) TIFFSetField(out, tag, v1, v2, v3)
|
|
#define CopyField4(tag, v1, v2, v3, v4) \
|
|
if (TIFFGetField(in, tag, &v1, &v2, &v3, &v4)) TIFFSetField(out, tag, v1, v2, v3, v4)
|
|
|
|
static void
|
|
cpTag(TIFF* in, TIFF* out, uint16 tag, uint16 count, TIFFDataType type)
|
|
{
|
|
switch (type) {
|
|
case TIFF_SHORT:
|
|
if (count == 1) {
|
|
uint16 shortv;
|
|
CopyField(tag, shortv);
|
|
} else if (count == 2) {
|
|
uint16 shortv1, shortv2;
|
|
CopyField2(tag, shortv1, shortv2);
|
|
} else if (count == 4) {
|
|
uint16 *tr, *tg, *tb, *ta;
|
|
CopyField4(tag, tr, tg, tb, ta);
|
|
} else if (count == (uint16) -1) {
|
|
uint16 shortv1;
|
|
uint16* shortav;
|
|
CopyField2(tag, shortv1, shortav);
|
|
}
|
|
break;
|
|
case TIFF_LONG:
|
|
{ uint32 longv;
|
|
CopyField(tag, longv);
|
|
}
|
|
break;
|
|
case TIFF_RATIONAL:
|
|
if (count == 1) {
|
|
float floatv;
|
|
CopyField(tag, floatv);
|
|
} else if (count == (uint16) -1) {
|
|
float* floatav;
|
|
CopyField(tag, floatav);
|
|
}
|
|
break;
|
|
case TIFF_ASCII:
|
|
{ char* stringv;
|
|
CopyField(tag, stringv);
|
|
}
|
|
break;
|
|
case TIFF_DOUBLE:
|
|
if (count == 1) {
|
|
double doublev;
|
|
CopyField(tag, doublev);
|
|
} else if (count == (uint16) -1) {
|
|
double* doubleav;
|
|
CopyField(tag, doubleav);
|
|
}
|
|
break;
|
|
default:
|
|
TIFFError(TIFFFileName(in),
|
|
"Data type %d is not supported, tag %d skipped.",
|
|
tag, type);
|
|
}
|
|
}
|
|
|
|
#undef CopyField4
|
|
#undef CopyField3
|
|
#undef CopyField2
|
|
#undef CopyField
|
|
|
|
static struct cpTag {
|
|
uint16 tag;
|
|
uint16 count;
|
|
TIFFDataType type;
|
|
} tags[] = {
|
|
{ TIFFTAG_IMAGEWIDTH, 1, TIFF_LONG },
|
|
{ TIFFTAG_IMAGELENGTH, 1, TIFF_LONG },
|
|
{ TIFFTAG_BITSPERSAMPLE, 1, TIFF_SHORT },
|
|
{ TIFFTAG_COMPRESSION, 1, TIFF_SHORT },
|
|
{ TIFFTAG_FILLORDER, 1, TIFF_SHORT },
|
|
{ TIFFTAG_ROWSPERSTRIP, 1, TIFF_LONG },
|
|
{ TIFFTAG_GROUP3OPTIONS, 1, TIFF_LONG },
|
|
{ TIFFTAG_SUBFILETYPE, 1, TIFF_LONG },
|
|
{ TIFFTAG_THRESHHOLDING, 1, TIFF_SHORT },
|
|
{ TIFFTAG_DOCUMENTNAME, 1, TIFF_ASCII },
|
|
{ TIFFTAG_IMAGEDESCRIPTION, 1, TIFF_ASCII },
|
|
{ TIFFTAG_MAKE, 1, TIFF_ASCII },
|
|
{ TIFFTAG_MODEL, 1, TIFF_ASCII },
|
|
{ TIFFTAG_ORIENTATION, 1, TIFF_SHORT },
|
|
{ TIFFTAG_MINSAMPLEVALUE, 1, TIFF_SHORT },
|
|
{ TIFFTAG_MAXSAMPLEVALUE, 1, TIFF_SHORT },
|
|
{ TIFFTAG_XRESOLUTION, 1, TIFF_RATIONAL },
|
|
{ TIFFTAG_YRESOLUTION, 1, TIFF_RATIONAL },
|
|
{ TIFFTAG_PAGENAME, 1, TIFF_ASCII },
|
|
{ TIFFTAG_XPOSITION, 1, TIFF_RATIONAL },
|
|
{ TIFFTAG_YPOSITION, 1, TIFF_RATIONAL },
|
|
{ TIFFTAG_GROUP4OPTIONS, 1, TIFF_LONG },
|
|
{ TIFFTAG_RESOLUTIONUNIT, 1, TIFF_SHORT },
|
|
{ TIFFTAG_PAGENUMBER, 2, TIFF_SHORT },
|
|
{ TIFFTAG_SOFTWARE, 1, TIFF_ASCII },
|
|
{ TIFFTAG_DATETIME, 1, TIFF_ASCII },
|
|
{ TIFFTAG_ARTIST, 1, TIFF_ASCII },
|
|
{ TIFFTAG_HOSTCOMPUTER, 1, TIFF_ASCII },
|
|
{ TIFFTAG_WHITEPOINT, 2, TIFF_RATIONAL },
|
|
{ TIFFTAG_PRIMARYCHROMATICITIES, (uint16) -1,TIFF_RATIONAL },
|
|
{ TIFFTAG_HALFTONEHINTS, 2, TIFF_SHORT },
|
|
{ TIFFTAG_BADFAXLINES, 1, TIFF_LONG },
|
|
{ TIFFTAG_CLEANFAXDATA, 1, TIFF_SHORT },
|
|
{ TIFFTAG_CONSECUTIVEBADFAXLINES, 1, TIFF_LONG },
|
|
{ TIFFTAG_INKSET, 1, TIFF_SHORT },
|
|
/*{ TIFFTAG_INKNAMES, 1, TIFF_ASCII },*/ /* Needs much more complicated logic. See tiffcp */
|
|
{ TIFFTAG_DOTRANGE, 2, TIFF_SHORT },
|
|
{ TIFFTAG_TARGETPRINTER, 1, TIFF_ASCII },
|
|
{ TIFFTAG_SAMPLEFORMAT, 1, TIFF_SHORT },
|
|
{ TIFFTAG_YCBCRCOEFFICIENTS, (uint16) -1,TIFF_RATIONAL },
|
|
{ TIFFTAG_YCBCRSUBSAMPLING, 2, TIFF_SHORT },
|
|
{ TIFFTAG_YCBCRPOSITIONING, 1, TIFF_SHORT },
|
|
{ TIFFTAG_REFERENCEBLACKWHITE, (uint16) -1,TIFF_RATIONAL },
|
|
};
|
|
#define NTAGS (sizeof (tags) / sizeof (tags[0]))
|
|
|
|
static void
|
|
cpTags(TIFF* in, TIFF* out)
|
|
{
|
|
struct cpTag *p;
|
|
for (p = tags; p < &tags[NTAGS]; p++)
|
|
{
|
|
if( p->tag == TIFFTAG_GROUP3OPTIONS )
|
|
{
|
|
uint16 compression;
|
|
if( !TIFFGetField(in, TIFFTAG_COMPRESSION, &compression) ||
|
|
compression != COMPRESSION_CCITTFAX3 )
|
|
continue;
|
|
}
|
|
if( p->tag == TIFFTAG_GROUP4OPTIONS )
|
|
{
|
|
uint16 compression;
|
|
if( !TIFFGetField(in, TIFFTAG_COMPRESSION, &compression) ||
|
|
compression != COMPRESSION_CCITTFAX4 )
|
|
continue;
|
|
}
|
|
cpTag(in, out, p->tag, p->count, p->type);
|
|
}
|
|
}
|
|
#undef NTAGS
|
|
|
|
const char* stuff[] = {
|
|
"usage: pal2rgb [options] input.tif output.tif",
|
|
"where options are:",
|
|
" -p contig pack samples contiguously (e.g. RGBRGB...)",
|
|
" -p separate store samples separately (e.g. RRR...GGG...BBB...)",
|
|
" -r # make each strip have no more than # rows",
|
|
" -C 8 assume 8-bit colormap values (instead of 16-bit)",
|
|
" -C 16 assume 16-bit colormap values",
|
|
"",
|
|
" -c lzw[:opts] compress output with Lempel-Ziv & Welch encoding",
|
|
" -c zip[:opts] compress output with deflate encoding",
|
|
" -c packbits compress output with packbits encoding",
|
|
" -c none use no compression algorithm on output",
|
|
"",
|
|
"LZW and deflate options:",
|
|
" # set predictor value",
|
|
"For example, -c lzw:2 to get LZW-encoded data with horizontal differencing",
|
|
NULL
|
|
};
|
|
|
|
static void
|
|
usage(int code)
|
|
{
|
|
int i;
|
|
FILE * out = (code == EXIT_SUCCESS) ? stdout : stderr;
|
|
|
|
fprintf(out, "%s\n\n", TIFFGetVersion());
|
|
for (i = 0; stuff[i] != NULL; i++)
|
|
fprintf(out, "%s\n", stuff[i]);
|
|
exit(code);
|
|
}
|
|
|
|
/* vim: set ts=8 sts=8 sw=8 noet: */
|
|
/*
|
|
* Local Variables:
|
|
* mode: c
|
|
* c-basic-offset: 8
|
|
* fill-column: 78
|
|
* End:
|
|
*/
|