329 lines
8.7 KiB
C
329 lines
8.7 KiB
C
/* $Id: sgi2tiff.c,v 1.5 2006-01-11 16:59:36 fwarmerdam Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1991-1997 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 <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <gl/image.h>
|
|
#include <ctype.h>
|
|
|
|
#include "tiffio.h"
|
|
|
|
#define streq(a,b) (strcmp(a,b) == 0)
|
|
#define strneq(a,b,n) (strncmp(a,b,n) == 0)
|
|
|
|
static short config = PLANARCONFIG_CONTIG;
|
|
static uint16 compression = COMPRESSION_PACKBITS;
|
|
static uint16 predictor = 0;
|
|
static uint16 fillorder = 0;
|
|
static uint32 rowsperstrip = (uint32) -1;
|
|
static int jpegcolormode = JPEGCOLORMODE_RGB;
|
|
static int quality = 75; /* JPEG quality */
|
|
static uint16 photometric;
|
|
|
|
static void usage(void);
|
|
static int cpContig(IMAGE*, TIFF*);
|
|
static int cpSeparate(IMAGE*, TIFF*);
|
|
static int processCompressOptions(char*);
|
|
|
|
/* XXX image library has no prototypes */
|
|
extern IMAGE* iopen(const char*, const char*);
|
|
extern void iclose(IMAGE*);
|
|
extern void getrow(IMAGE*, short*, int, int);
|
|
|
|
int
|
|
main(int argc, char* argv[])
|
|
{
|
|
IMAGE *in;
|
|
TIFF *out;
|
|
int c;
|
|
extern int optind;
|
|
extern char* optarg;
|
|
|
|
while ((c = getopt(argc, argv, "c:p:r:")) != -1)
|
|
switch (c) {
|
|
case 'c': /* compression scheme */
|
|
if (!processCompressOptions(optarg))
|
|
usage();
|
|
break;
|
|
case 'f': /* fill order */
|
|
if (streq(optarg, "lsb2msb"))
|
|
fillorder = FILLORDER_LSB2MSB;
|
|
else if (streq(optarg, "msb2lsb"))
|
|
fillorder = FILLORDER_MSB2LSB;
|
|
else
|
|
usage();
|
|
break;
|
|
case 'p': /* planar configuration */
|
|
if (streq(optarg, "separate"))
|
|
config = PLANARCONFIG_SEPARATE;
|
|
else if (streq(optarg, "contig"))
|
|
config = PLANARCONFIG_CONTIG;
|
|
else
|
|
usage();
|
|
break;
|
|
case 'r': /* rows/strip */
|
|
rowsperstrip = atoi(optarg);
|
|
break;
|
|
case '?':
|
|
usage();
|
|
/*NOTREACHED*/
|
|
}
|
|
if (argc - optind != 2)
|
|
usage();
|
|
in = iopen(argv[optind], "r");
|
|
if (in == NULL)
|
|
return (-1);
|
|
out = TIFFOpen(argv[optind+1], "w");
|
|
if (out == NULL)
|
|
return (-2);
|
|
TIFFSetField(out, TIFFTAG_IMAGEWIDTH, (uint32) in->xsize);
|
|
TIFFSetField(out, TIFFTAG_IMAGELENGTH, (uint32) in->ysize);
|
|
TIFFSetField(out, TIFFTAG_BITSPERSAMPLE, 8);
|
|
TIFFSetField(out, TIFFTAG_COMPRESSION, compression);
|
|
if (in->zsize == 1)
|
|
photometric = PHOTOMETRIC_MINISBLACK;
|
|
else
|
|
photometric = PHOTOMETRIC_RGB;
|
|
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);
|
|
if (fillorder != 0)
|
|
TIFFSetField(out, TIFFTAG_FILLORDER, fillorder);
|
|
TIFFSetField(out, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT);
|
|
TIFFSetField(out, TIFFTAG_SAMPLESPERPIXEL, in->zsize);
|
|
if (in->zsize > 3) {
|
|
uint16 v[1];
|
|
v[0] = EXTRASAMPLE_UNASSALPHA;
|
|
TIFFSetField(out, TIFFTAG_EXTRASAMPLES, 1, v);
|
|
}
|
|
TIFFSetField(out, TIFFTAG_MINSAMPLEVALUE, (uint16) in->min);
|
|
TIFFSetField(out, TIFFTAG_MAXSAMPLEVALUE, (uint16) in->max);
|
|
TIFFSetField(out, TIFFTAG_PLANARCONFIG, config);
|
|
if (config != PLANARCONFIG_SEPARATE)
|
|
TIFFSetField(out, TIFFTAG_ROWSPERSTRIP,
|
|
TIFFDefaultStripSize(out, rowsperstrip));
|
|
else /* force 1 row/strip for library limitation */
|
|
TIFFSetField(out, TIFFTAG_ROWSPERSTRIP, 1L);
|
|
if (in->name[0] != '\0')
|
|
TIFFSetField(out, TIFFTAG_IMAGEDESCRIPTION, in->name);
|
|
if (config == PLANARCONFIG_CONTIG)
|
|
cpContig(in, out);
|
|
else
|
|
cpSeparate(in, out);
|
|
(void) iclose(in);
|
|
(void) TIFFClose(out);
|
|
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, ':');
|
|
|
|
defcompression = 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);
|
|
}
|
|
|
|
static int
|
|
cpContig(IMAGE* in, TIFF* out)
|
|
{
|
|
tdata_t buf = _TIFFmalloc(TIFFScanlineSize(out));
|
|
short *r = NULL;
|
|
int x, y;
|
|
|
|
if (in->zsize == 3) {
|
|
short *g, *b;
|
|
|
|
r = (short *)_TIFFmalloc(3 * in->xsize * sizeof (short));
|
|
g = r + in->xsize;
|
|
b = g + in->xsize;
|
|
for (y = in->ysize-1; y >= 0; y--) {
|
|
uint8* pp = (uint8*) buf;
|
|
|
|
getrow(in, r, y, 0);
|
|
getrow(in, g, y, 1);
|
|
getrow(in, b, y, 2);
|
|
for (x = 0; x < in->xsize; x++) {
|
|
pp[0] = r[x];
|
|
pp[1] = g[x];
|
|
pp[2] = b[x];
|
|
pp += 3;
|
|
}
|
|
if (TIFFWriteScanline(out, buf, in->ysize-y-1, 0) < 0)
|
|
goto bad;
|
|
}
|
|
} else if (in->zsize == 4) {
|
|
short *g, *b, *a;
|
|
|
|
r = (short *)_TIFFmalloc(4 * in->xsize * sizeof (short));
|
|
g = r + in->xsize;
|
|
b = g + in->xsize;
|
|
a = b + in->xsize;
|
|
for (y = in->ysize-1; y >= 0; y--) {
|
|
uint8* pp = (uint8*) buf;
|
|
|
|
getrow(in, r, y, 0);
|
|
getrow(in, g, y, 1);
|
|
getrow(in, b, y, 2);
|
|
getrow(in, a, y, 3);
|
|
for (x = 0; x < in->xsize; x++) {
|
|
pp[0] = r[x];
|
|
pp[1] = g[x];
|
|
pp[2] = b[x];
|
|
pp[3] = a[x];
|
|
pp += 4;
|
|
}
|
|
if (TIFFWriteScanline(out, buf, in->ysize-y-1, 0) < 0)
|
|
goto bad;
|
|
}
|
|
} else {
|
|
uint8* pp = (uint8*) buf;
|
|
|
|
r = (short *)_TIFFmalloc(in->xsize * sizeof (short));
|
|
for (y = in->ysize-1; y >= 0; y--) {
|
|
getrow(in, r, y, 0);
|
|
for (x = in->xsize-1; x >= 0; x--)
|
|
pp[x] = r[x];
|
|
if (TIFFWriteScanline(out, buf, in->ysize-y-1, 0) < 0)
|
|
goto bad;
|
|
}
|
|
}
|
|
if (r)
|
|
_TIFFfree(r);
|
|
_TIFFfree(buf);
|
|
return (1);
|
|
bad:
|
|
if (r)
|
|
_TIFFfree(r);
|
|
_TIFFfree(buf);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
cpSeparate(IMAGE* in, TIFF* out)
|
|
{
|
|
tdata_t buf = _TIFFmalloc(TIFFScanlineSize(out));
|
|
short *r = (short *)_TIFFmalloc(in->xsize * sizeof (short));
|
|
uint8* pp = (uint8*) buf;
|
|
int x, y, z;
|
|
|
|
for (z = 0; z < in->zsize; z++) {
|
|
for (y = in->ysize-1; y >= 0; y--) {
|
|
getrow(in, r, y, z);
|
|
for (x = 0; x < in->xsize; x++)
|
|
pp[x] = r[x];
|
|
if (TIFFWriteScanline(out, buf, in->ysize-y-1, z) < 0)
|
|
goto bad;
|
|
}
|
|
}
|
|
_TIFFfree(r);
|
|
_TIFFfree(buf);
|
|
return (1);
|
|
bad:
|
|
_TIFFfree(r);
|
|
_TIFFfree(buf);
|
|
return (0);
|
|
}
|
|
|
|
char* stuff[] = {
|
|
"usage: sgi2tiff [options] input.rgb output.tif",
|
|
"where options are:",
|
|
" -r # make each strip have no more than # rows",
|
|
"",
|
|
" -p contig pack samples contiguously (e.g. RGBRGB...)",
|
|
" -p separate store samples separately (e.g. RRR...GGG...BBB...)",
|
|
"",
|
|
" -f lsb2msb force lsb-to-msb FillOrder for output",
|
|
" -f msb2lsb force msb-to-lsb FillOrder for output",
|
|
"",
|
|
" -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",
|
|
"",
|
|
"LZW and deflate options:",
|
|
" # set predictor value",
|
|
"For example, -c lzw:2 to get LZW-encoded data with horizontal differencing",
|
|
NULL
|
|
};
|
|
|
|
static void
|
|
usage(void)
|
|
{
|
|
char buf[BUFSIZ];
|
|
int i;
|
|
|
|
setbuf(stderr, buf);
|
|
for (i = 0; stuff[i] != NULL; i++)
|
|
fprintf(stderr, "%s\n", stuff[i]);
|
|
exit(-1);
|
|
}
|