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Diffstat (limited to 'tiff/tools/tiff2bw.c')
-rw-r--r--tiff/tools/tiff2bw.c467
1 files changed, 0 insertions, 467 deletions
diff --git a/tiff/tools/tiff2bw.c b/tiff/tools/tiff2bw.c
deleted file mode 100644
index 9e1e23a..0000000
--- a/tiff/tools/tiff2bw.c
+++ /dev/null
@@ -1,467 +0,0 @@
-/* $Id: tiff2bw.c,v 1.12.2.1 2010-06-08 18:50:44 bfriesen Exp $ */
-
-/*
- * 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
-
-#include "tiffio.h"
-
-#define streq(a,b) (strcmp((a),(b)) == 0)
-#define strneq(a,b,n) (strncmp(a,b,n) == 0)
-
-/* x% weighting -> fraction of full color */
-#define PCT(x) (((x)*255+127)/100)
-int RED = PCT(30); /* 30% */
-int GREEN = PCT(59); /* 59% */
-int BLUE = PCT(11); /* 11% */
-
-static void usage(void);
-static int processCompressOptions(char*);
-
-static void
-compresscontig(unsigned char* out, unsigned char* rgb, uint32 n)
-{
- register int v, red = RED, green = GREEN, blue = BLUE;
-
- while (n-- > 0) {
- v = red*(*rgb++);
- v += green*(*rgb++);
- v += blue*(*rgb++);
- *out++ = v>>8;
- }
-}
-
-static void
-compresssep(unsigned char* out,
- unsigned char* r, unsigned char* g, unsigned char* b, uint32 n)
-{
- register uint32 red = RED, green = GREEN, blue = BLUE;
-
- while (n-- > 0)
- *out++ = (unsigned char)
- ((red*(*r++) + green*(*g++) + blue*(*b++)) >> 8);
-}
-
-static int
-checkcmap(TIFF* tif, int n, uint16* r, uint16* g, uint16* b)
-{
- while (n-- > 0)
- if (*r++ >= 256 || *g++ >= 256 || *b++ >= 256)
- return (16);
- TIFFWarning(TIFFFileName(tif), "Assuming 8-bit colormap");
- return (8);
-}
-
-static void
-compresspalette(unsigned char* out, unsigned char* data, uint32 n, uint16* rmap, uint16* gmap, uint16* bmap)
-{
- register int v, red = RED, green = GREEN, blue = BLUE;
-
- while (n-- > 0) {
- unsigned int ix = *data++;
- v = red*rmap[ix];
- v += green*gmap[ix];
- v += blue*bmap[ix];
- *out++ = v>>8;
- }
-}
-
-static uint16 compression = (uint16) -1;
-static uint16 predictor = 0;
-static int jpegcolormode = JPEGCOLORMODE_RGB;
-static int quality = 75; /* JPEG quality */
-
-static void cpTags(TIFF* in, TIFF* out);
-
-int
-main(int argc, char* argv[])
-{
- uint32 rowsperstrip = (uint32) -1;
- TIFF *in, *out;
- uint32 w, h;
- uint16 samplesperpixel;
- uint16 bitspersample;
- uint16 config;
- uint16 photometric;
- uint16* red;
- uint16* green;
- uint16* blue;
- tsize_t rowsize;
- register uint32 row;
- register tsample_t s;
- unsigned char *inbuf, *outbuf;
- char thing[1024];
- int c;
- extern int optind;
- extern char *optarg;
-
- while ((c = getopt(argc, argv, "c:r:R:G:B:")) != -1)
- switch (c) {
- case 'c': /* compression scheme */
- if (!processCompressOptions(optarg))
- usage();
- break;
- case 'r': /* rows/strip */
- rowsperstrip = atoi(optarg);
- break;
- case 'R':
- RED = PCT(atoi(optarg));
- break;
- case 'G':
- GREEN = PCT(atoi(optarg));
- break;
- case 'B':
- BLUE = PCT(atoi(optarg));
- break;
- case '?':
- usage();
- /*NOTREACHED*/
- }
- if (argc - optind < 2)
- usage();
- in = TIFFOpen(argv[optind], "r");
- if (in == NULL)
- return (-1);
- photometric = 0;
- TIFFGetField(in, TIFFTAG_PHOTOMETRIC, &photometric);
- if (photometric != PHOTOMETRIC_RGB && photometric != PHOTOMETRIC_PALETTE ) {
- fprintf(stderr,
- "%s: Bad photometric; can only handle RGB and Palette images.\n",
- argv[optind]);
- return (-1);
- }
- TIFFGetField(in, TIFFTAG_SAMPLESPERPIXEL, &samplesperpixel);
- if (samplesperpixel != 1 && samplesperpixel != 3) {
- fprintf(stderr, "%s: Bad samples/pixel %u.\n",
- argv[optind], samplesperpixel);
- return (-1);
- }
- TIFFGetField(in, TIFFTAG_BITSPERSAMPLE, &bitspersample);
- if (bitspersample != 8) {
- fprintf(stderr,
- " %s: Sorry, only handle 8-bit samples.\n", argv[optind]);
- return (-1);
- }
- TIFFGetField(in, TIFFTAG_IMAGEWIDTH, &w);
- TIFFGetField(in, TIFFTAG_IMAGELENGTH, &h);
- TIFFGetField(in, TIFFTAG_PLANARCONFIG, &config);
-
- out = TIFFOpen(argv[optind+1], "w");
- if (out == NULL)
- return (-1);
- TIFFSetField(out, TIFFTAG_IMAGEWIDTH, w);
- TIFFSetField(out, TIFFTAG_IMAGELENGTH, h);
- TIFFSetField(out, TIFFTAG_BITSPERSAMPLE, 8);
- TIFFSetField(out, TIFFTAG_SAMPLESPERPIXEL, 1);
- TIFFSetField(out, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
- cpTags(in, out);
- if (compression != (uint16) -1) {
- TIFFSetField(out, TIFFTAG_COMPRESSION, compression);
- switch (compression) {
- case COMPRESSION_JPEG:
- 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_MINISBLACK);
- sprintf(thing, "B&W version of %s", argv[optind]);
- TIFFSetField(out, TIFFTAG_IMAGEDESCRIPTION, thing);
- TIFFSetField(out, TIFFTAG_SOFTWARE, "tiff2bw");
- outbuf = (unsigned char *)_TIFFmalloc(TIFFScanlineSize(out));
- TIFFSetField(out, TIFFTAG_ROWSPERSTRIP,
- TIFFDefaultStripSize(out, rowsperstrip));
-
-#define pack(a,b) ((a)<<8 | (b))
- switch (pack(photometric, config)) {
- case pack(PHOTOMETRIC_PALETTE, PLANARCONFIG_CONTIG):
- case pack(PHOTOMETRIC_PALETTE, PLANARCONFIG_SEPARATE):
- TIFFGetField(in, TIFFTAG_COLORMAP, &red, &green, &blue);
- /*
- * Convert 16-bit colormap to 8-bit (unless it looks
- * like an old-style 8-bit colormap).
- */
- if (checkcmap(in, 1<<bitspersample, red, green, blue) == 16) {
- int i;
-#define CVT(x) (((x) * 255L) / ((1L<<16)-1))
- for (i = (1<<bitspersample)-1; i >= 0; i--) {
- red[i] = CVT(red[i]);
- green[i] = CVT(green[i]);
- blue[i] = CVT(blue[i]);
- }
-#undef CVT
- }
- inbuf = (unsigned char *)_TIFFmalloc(TIFFScanlineSize(in));
- for (row = 0; row < h; row++) {
- if (TIFFReadScanline(in, inbuf, row, 0) < 0)
- break;
- compresspalette(outbuf, inbuf, w, red, green, blue);
- if (TIFFWriteScanline(out, outbuf, row, 0) < 0)
- break;
- }
- break;
- case pack(PHOTOMETRIC_RGB, PLANARCONFIG_CONTIG):
- inbuf = (unsigned char *)_TIFFmalloc(TIFFScanlineSize(in));
- for (row = 0; row < h; row++) {
- if (TIFFReadScanline(in, inbuf, row, 0) < 0)
- break;
- compresscontig(outbuf, inbuf, w);
- if (TIFFWriteScanline(out, outbuf, row, 0) < 0)
- break;
- }
- break;
- case pack(PHOTOMETRIC_RGB, PLANARCONFIG_SEPARATE):
- rowsize = TIFFScanlineSize(in);
- inbuf = (unsigned char *)_TIFFmalloc(3*rowsize);
- for (row = 0; row < h; row++) {
- for (s = 0; s < 3; s++)
- if (TIFFReadScanline(in,
- inbuf+s*rowsize, row, s) < 0)
- return (-1);
- compresssep(outbuf,
- inbuf, inbuf+rowsize, inbuf+2*rowsize, w);
- if (TIFFWriteScanline(out, outbuf, row, 0) < 0)
- break;
- }
- break;
- }
-#undef pack
- 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, ':');
-
- 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);
-}
-
-#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_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_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_RESOLUTIONUNIT, 1, TIFF_SHORT },
- { TIFFTAG_SOFTWARE, 1, TIFF_ASCII },
- { TIFFTAG_DATETIME, 1, TIFF_ASCII },
- { TIFFTAG_ARTIST, 1, TIFF_ASCII },
- { TIFFTAG_HOSTCOMPUTER, 1, TIFF_ASCII },
- { TIFFTAG_WHITEPOINT, 1, TIFF_RATIONAL },
- { TIFFTAG_PRIMARYCHROMATICITIES,(uint16) -1,TIFF_RATIONAL },
- { TIFFTAG_HALFTONEHINTS, 2, TIFF_SHORT },
- { TIFFTAG_INKSET, 1, TIFF_SHORT },
- { 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 },
- { TIFFTAG_EXTRASAMPLES, (uint16) -1, TIFF_SHORT },
- { TIFFTAG_SMINSAMPLEVALUE, 1, TIFF_DOUBLE },
- { TIFFTAG_SMAXSAMPLEVALUE, 1, TIFF_DOUBLE },
- { TIFFTAG_STONITS, 1, TIFF_DOUBLE },
-};
-#define NTAGS (sizeof (tags) / sizeof (tags[0]))
-
-static void
-cpTags(TIFF* in, TIFF* out)
-{
- struct cpTag *p;
- for (p = tags; p < &tags[NTAGS]; p++)
- cpTag(in, out, p->tag, p->count, p->type);
-}
-#undef NTAGS
-
-char* stuff[] = {
-"usage: tiff2bw [options] input.tif output.tif",
-"where options are:",
-" -R % use #% from red channel",
-" -G % use #% from green channel",
-" -B % use #% from blue channel",
-"",
-" -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 packbits compress output with packbits encoding",
-" -c g3[:opts] compress output with CCITT Group 3 encoding",
-" -c g4 compress output with CCITT Group 4 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(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:
- */
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