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-rwxr-xr-xtiff/tools/thumbnail.c689
1 files changed, 0 insertions, 689 deletions
diff --git a/tiff/tools/thumbnail.c b/tiff/tools/thumbnail.c
deleted file mode 100755
index 2699324..0000000
--- a/tiff/tools/thumbnail.c
+++ /dev/null
@@ -1,689 +0,0 @@
-/* $Id: thumbnail.c,v 1.20 2014-12-21 20:04:31 erouault Exp $ */
-
-/*
- * Copyright (c) 1994-1997 Sam Leffler
- * Copyright (c) 1994-1997 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 <math.h>
-
-#ifdef HAVE_UNISTD_H
-# include <unistd.h>
-#endif
-
-#ifdef NEED_LIBPORT
-# include "libport.h"
-#endif
-
-#include "tiffio.h"
-
-#ifndef HAVE_GETOPT
-extern int getopt(int, char**, char*);
-#endif
-
-#define streq(a,b) (strcmp(a,b) == 0)
-
-#ifndef TIFFhowmany8
-# define TIFFhowmany8(x) (((x)&0x07)?((uint32)(x)>>3)+1:(uint32)(x)>>3)
-#endif
-
-typedef enum {
- EXP50,
- EXP60,
- EXP70,
- EXP80,
- EXP90,
- EXP,
- LINEAR
-} Contrast;
-
-static uint32 tnw = 216; /* thumbnail width */
-static uint32 tnh = 274; /* thumbnail height */
-static Contrast contrast = LINEAR; /* current contrast */
-static uint8* thumbnail;
-
-static int cpIFD(TIFF*, TIFF*);
-static int generateThumbnail(TIFF*, TIFF*);
-static void initScale();
-static void usage(void);
-
-extern char* optarg;
-extern int optind;
-
-int
-main(int argc, char* argv[])
-{
- TIFF* in;
- TIFF* out;
- int c;
-
- while ((c = getopt(argc, argv, "w:h:c:")) != -1) {
- switch (c) {
- case 'w': tnw = strtoul(optarg, NULL, 0); break;
- case 'h': tnh = strtoul(optarg, NULL, 0); break;
- case 'c': contrast = streq(optarg, "exp50") ? EXP50 :
- streq(optarg, "exp60") ? EXP60 :
- streq(optarg, "exp70") ? EXP70 :
- streq(optarg, "exp80") ? EXP80 :
- streq(optarg, "exp90") ? EXP90 :
- streq(optarg, "exp") ? EXP :
- streq(optarg, "linear")? LINEAR :
- EXP;
- break;
- default: usage();
- }
- }
- if (argc-optind != 2)
- usage();
-
- out = TIFFOpen(argv[optind+1], "w");
- if (out == NULL)
- return 2;
- in = TIFFOpen(argv[optind], "r");
- if( in == NULL )
- return 2;
-
- thumbnail = (uint8*) _TIFFmalloc(tnw * tnh);
- if (!thumbnail) {
- TIFFError(TIFFFileName(in),
- "Can't allocate space for thumbnail buffer.");
- return 1;
- }
-
- if (in != NULL) {
- initScale();
- do {
- if (!generateThumbnail(in, out))
- goto bad;
- if (!cpIFD(in, out) || !TIFFWriteDirectory(out))
- goto bad;
- } while (TIFFReadDirectory(in));
- (void) TIFFClose(in);
- }
- (void) TIFFClose(out);
- return 0;
-bad:
- (void) TIFFClose(out);
- 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_LONG8:
- { uint64 longv8;
- CopyField(tag, longv8);
- }
- break;
- case TIFF_SLONG8:
- { int64 longv8;
- CopyField(tag, longv8);
- }
- 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;
- case TIFF_IFD8:
- { toff_t ifd8;
- CopyField(tag, ifd8);
- }
- 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_SAMPLESPERPIXEL, 1, TIFF_SHORT },
- { TIFFTAG_ROWSPERSTRIP, 1, TIFF_LONG },
- { TIFFTAG_PLANARCONFIG, 1, TIFF_SHORT },
- { TIFFTAG_GROUP3OPTIONS, 1, TIFF_LONG },
- { TIFFTAG_SUBFILETYPE, 1, TIFF_LONG },
- { TIFFTAG_PHOTOMETRIC, 1, TIFF_SHORT },
- { 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 },
- { TIFFTAG_EXTRASAMPLES, (uint16) -1, TIFF_SHORT },
-};
-#define NTAGS (sizeof (tags) / sizeof (tags[0]))
-
-static void
-cpTags(TIFF* in, TIFF* out)
-{
- struct cpTag *p;
- for (p = tags; p < &tags[NTAGS]; p++)
- {
- /* Horrible: but TIFFGetField() expects 2 arguments to be passed */
- /* if we request a tag that is defined in a codec, but that codec */
- /* isn't used */
- 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
-
-static int
-cpStrips(TIFF* in, TIFF* out)
-{
- tsize_t bufsize = TIFFStripSize(in);
- unsigned char *buf = (unsigned char *)_TIFFmalloc(bufsize);
-
- if (buf) {
- tstrip_t s, ns = TIFFNumberOfStrips(in);
- uint64 *bytecounts;
-
- TIFFGetField(in, TIFFTAG_STRIPBYTECOUNTS, &bytecounts);
- for (s = 0; s < ns; s++) {
- if (bytecounts[s] > (uint64) bufsize) {
- buf = (unsigned char *)_TIFFrealloc(buf, (tmsize_t)bytecounts[s]);
- if (!buf)
- goto bad;
- bufsize = (tmsize_t)bytecounts[s];
- }
- if (TIFFReadRawStrip(in, s, buf, (tmsize_t)bytecounts[s]) < 0 ||
- TIFFWriteRawStrip(out, s, buf, (tmsize_t)bytecounts[s]) < 0) {
- _TIFFfree(buf);
- return 0;
- }
- }
- _TIFFfree(buf);
- return 1;
- }
-
-bad:
- TIFFError(TIFFFileName(in),
- "Can't allocate space for strip buffer.");
- return 0;
-}
-
-static int
-cpTiles(TIFF* in, TIFF* out)
-{
- tsize_t bufsize = TIFFTileSize(in);
- unsigned char *buf = (unsigned char *)_TIFFmalloc(bufsize);
-
- if (buf) {
- ttile_t t, nt = TIFFNumberOfTiles(in);
- uint64 *bytecounts;
-
- TIFFGetField(in, TIFFTAG_TILEBYTECOUNTS, &bytecounts);
- for (t = 0; t < nt; t++) {
- if (bytecounts[t] > (uint64) bufsize) {
- buf = (unsigned char *)_TIFFrealloc(buf, (tmsize_t)bytecounts[t]);
- if (!buf)
- goto bad;
- bufsize = (tmsize_t)bytecounts[t];
- }
- if (TIFFReadRawTile(in, t, buf, (tmsize_t)bytecounts[t]) < 0 ||
- TIFFWriteRawTile(out, t, buf, (tmsize_t)bytecounts[t]) < 0) {
- _TIFFfree(buf);
- return 0;
- }
- }
- _TIFFfree(buf);
- return 1;
- }
-
-bad:
- TIFFError(TIFFFileName(in),
- "Can't allocate space for tile buffer.");
- return (0);
-}
-
-static int
-cpIFD(TIFF* in, TIFF* out)
-{
- cpTags(in, out);
- if (TIFFIsTiled(in)) {
- if (!cpTiles(in, out))
- return (0);
- } else {
- if (!cpStrips(in, out))
- return (0);
- }
- return (1);
-}
-
-static uint16 photometric; /* current photometric of raster */
-static uint16 filterWidth; /* filter width in pixels */
-static uint32 stepSrcWidth; /* src image stepping width */
-static uint32 stepDstWidth; /* dest stepping width */
-static uint8* src0; /* horizontal bit stepping (start) */
-static uint8* src1; /* horizontal bit stepping (middle) */
-static uint8* src2; /* horizontal bit stepping (end) */
-static uint32* rowoff; /* row offset for stepping */
-static uint8 cmap[256]; /* colormap indexes */
-static uint8 bits[256]; /* count of bits set */
-
-static void
-setupBitsTables()
-{
- int i;
- for (i = 0; i < 256; i++) {
- int n = 0;
- if (i&0x01) n++;
- if (i&0x02) n++;
- if (i&0x04) n++;
- if (i&0x08) n++;
- if (i&0x10) n++;
- if (i&0x20) n++;
- if (i&0x40) n++;
- if (i&0x80) n++;
- bits[i] = n;
- }
-}
-
-static int clamp(float v, int low, int high)
- { return (v < low ? low : v > high ? high : (int)v); }
-
-#ifndef M_E
-#define M_E 2.7182818284590452354
-#endif
-
-static void
-expFill(float pct[], uint32 p, uint32 n)
-{
- uint32 i;
- uint32 c = (p * n) / 100;
- for (i = 1; i < c; i++)
- pct[i] = (float) (1-exp(i/((double)(n-1)))/ M_E);
- for (; i < n; i++)
- pct[i] = 0.;
-}
-
-static void
-setupCmap()
-{
- float pct[256]; /* known to be large enough */
- uint32 i;
- pct[0] = 1; /* force white */
- switch (contrast) {
- case EXP50: expFill(pct, 50, 256); break;
- case EXP60: expFill(pct, 60, 256); break;
- case EXP70: expFill(pct, 70, 256); break;
- case EXP80: expFill(pct, 80, 256); break;
- case EXP90: expFill(pct, 90, 256); break;
- case EXP: expFill(pct, 100, 256); break;
- case LINEAR:
- for (i = 1; i < 256; i++)
- pct[i] = 1-((float)i)/(256-1);
- break;
- }
- switch (photometric) {
- case PHOTOMETRIC_MINISWHITE:
- for (i = 0; i < 256; i++)
- cmap[i] = clamp(255*pct[(256-1)-i], 0, 255);
- break;
- case PHOTOMETRIC_MINISBLACK:
- for (i = 0; i < 256; i++)
- cmap[i] = clamp(255*pct[i], 0, 255);
- break;
- }
-}
-
-static void
-initScale()
-{
- src0 = (uint8*) _TIFFmalloc(sizeof (uint8) * tnw);
- src1 = (uint8*) _TIFFmalloc(sizeof (uint8) * tnw);
- src2 = (uint8*) _TIFFmalloc(sizeof (uint8) * tnw);
- rowoff = (uint32*) _TIFFmalloc(sizeof (uint32) * tnw);
- filterWidth = 0;
- stepDstWidth = stepSrcWidth = 0;
- setupBitsTables();
-}
-
-/*
- * Calculate the horizontal accumulation parameteres
- * according to the widths of the src and dst images.
- */
-static void
-setupStepTables(uint32 sw)
-{
- if (stepSrcWidth != sw || stepDstWidth != tnw) {
- int step = sw;
- int limit = tnw;
- int err = 0;
- uint32 sx = 0;
- uint32 x;
- int fw;
- uint8 b;
- for (x = 0; x < tnw; x++) {
- uint32 sx0 = sx;
- err += step;
- while (err >= limit) {
- err -= limit;
- sx++;
- }
- rowoff[x] = sx0 >> 3;
- fw = sx - sx0; /* width */
- b = (fw < 8) ? 0xff<<(8-fw) : 0xff;
- src0[x] = b >> (sx0&7);
- fw -= 8 - (sx0&7);
- if (fw < 0)
- fw = 0;
- src1[x] = fw >> 3;
- fw -= (fw>>3)<<3;
- src2[x] = 0xff << (8-fw);
- }
- stepSrcWidth = sw;
- stepDstWidth = tnw;
- }
-}
-
-static void
-setrow(uint8* row, uint32 nrows, const uint8* rows[])
-{
- uint32 x;
- uint32 area = nrows * filterWidth;
- for (x = 0; x < tnw; x++) {
- uint32 mask0 = src0[x];
- uint32 fw = src1[x];
- uint32 mask1 = src1[x];
- uint32 off = rowoff[x];
- uint32 acc = 0;
- uint32 y, i;
- for (y = 0; y < nrows; y++) {
- const uint8* src = rows[y] + off;
- acc += bits[*src++ & mask0];
- switch (fw) {
- default:
- for (i = fw; i > 8; i--)
- acc += bits[*src++];
- /* fall thru... */
- case 8: acc += bits[*src++];
- case 7: acc += bits[*src++];
- case 6: acc += bits[*src++];
- case 5: acc += bits[*src++];
- case 4: acc += bits[*src++];
- case 3: acc += bits[*src++];
- case 2: acc += bits[*src++];
- case 1: acc += bits[*src++];
- case 0: break;
- }
- acc += bits[*src & mask1];
- }
- *row++ = cmap[(255*acc)/area];
- }
-}
-
-/*
- * Install the specified image. The
- * image is resized to fit the display page using
- * a box filter. The resultant pixels are mapped
- * with a user-selectable contrast curve.
- */
-static void
-setImage1(const uint8* br, uint32 rw, uint32 rh)
-{
- int step = rh;
- int limit = tnh;
- int err = 0;
- int bpr = TIFFhowmany8(rw);
- int sy = 0;
- uint8* row = thumbnail;
- uint32 dy;
- for (dy = 0; dy < tnh; dy++) {
- const uint8* rows[256];
- uint32 nrows = 1;
- fprintf(stderr, "bpr=%d, sy=%d, bpr*sy=%d\n", bpr, sy, bpr*sy);
- rows[0] = br + bpr*sy;
- err += step;
- while (err >= limit) {
- err -= limit;
- sy++;
- if (err >= limit)
- {
- /* We should perhaps error loudly, but I can't make sense of that */
- /* code... */
- if( nrows == 256 )
- break;
- rows[nrows++] = br + bpr*sy;
- }
- }
- setrow(row, nrows, rows);
- row += tnw;
- }
-}
-
-static void
-setImage(const uint8* br, uint32 rw, uint32 rh)
-{
- filterWidth = (uint16) ceil((double) rw / (double) tnw);
- setupStepTables(rw);
- setImage1(br, rw, rh);
-}
-
-static int
-generateThumbnail(TIFF* in, TIFF* out)
-{
- unsigned char* raster;
- unsigned char* rp;
- uint32 sw, sh, rps;
- uint16 bps, spp;
- tsize_t rowsize, rastersize;
- tstrip_t s, ns = TIFFNumberOfStrips(in);
- toff_t diroff[1];
-
- TIFFGetField(in, TIFFTAG_IMAGEWIDTH, &sw);
- TIFFGetField(in, TIFFTAG_IMAGELENGTH, &sh);
- TIFFGetFieldDefaulted(in, TIFFTAG_BITSPERSAMPLE, &bps);
- TIFFGetFieldDefaulted(in, TIFFTAG_SAMPLESPERPIXEL, &spp);
- TIFFGetFieldDefaulted(in, TIFFTAG_ROWSPERSTRIP, &rps);
- if (spp != 1 || bps != 1)
- return 0;
- rowsize = TIFFScanlineSize(in);
- rastersize = sh * rowsize;
- fprintf(stderr, "rastersize=%u\n", (unsigned int)rastersize);
- /* +3 : add a few guard bytes since setrow() can read a bit */
- /* outside buffer */
- raster = (unsigned char*)_TIFFmalloc(rastersize+3);
- if (!raster) {
- TIFFError(TIFFFileName(in),
- "Can't allocate space for raster buffer.");
- return 0;
- }
- raster[rastersize] = 0;
- raster[rastersize+1] = 0;
- raster[rastersize+2] = 0;
- rp = raster;
- for (s = 0; s < ns; s++) {
- (void) TIFFReadEncodedStrip(in, s, rp, -1);
- rp += rps * rowsize;
- }
- TIFFGetField(in, TIFFTAG_PHOTOMETRIC, &photometric);
- setupCmap();
- setImage(raster, sw, sh);
- _TIFFfree(raster);
-
- TIFFSetField(out, TIFFTAG_SUBFILETYPE, FILETYPE_REDUCEDIMAGE);
- TIFFSetField(out, TIFFTAG_IMAGEWIDTH, (uint32) tnw);
- TIFFSetField(out, TIFFTAG_IMAGELENGTH, (uint32) tnh);
- TIFFSetField(out, TIFFTAG_BITSPERSAMPLE, (uint16) 8);
- TIFFSetField(out, TIFFTAG_SAMPLESPERPIXEL, (uint16) 1);
- TIFFSetField(out, TIFFTAG_COMPRESSION, COMPRESSION_PACKBITS);
- TIFFSetField(out, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISWHITE);
- TIFFSetField(out, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
- TIFFSetField(out, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT);
- cpTag(in, out, TIFFTAG_SOFTWARE, (uint16) -1, TIFF_ASCII);
- cpTag(in, out, TIFFTAG_IMAGEDESCRIPTION, (uint16) -1, TIFF_ASCII);
- cpTag(in, out, TIFFTAG_DATETIME, (uint16) -1, TIFF_ASCII);
- cpTag(in, out, TIFFTAG_HOSTCOMPUTER, (uint16) -1, TIFF_ASCII);
- diroff[0] = 0UL;
- TIFFSetField(out, TIFFTAG_SUBIFD, 1, diroff);
- return (TIFFWriteEncodedStrip(out, 0, thumbnail, tnw*tnh) != -1 &&
- TIFFWriteDirectory(out) != -1);
-}
-
-char* stuff[] = {
-"usage: thumbnail [options] input.tif output.tif",
-"where options are:",
-" -h # specify thumbnail image height (default is 274)",
-" -w # specify thumbnail image width (default is 216)",
-"",
-" -c linear use linear contrast curve",
-" -c exp50 use 50% exponential contrast curve",
-" -c exp60 use 60% exponential contrast curve",
-" -c exp70 use 70% exponential contrast curve",
-" -c exp80 use 80% exponential contrast curve",
-" -c exp90 use 90% exponential contrast curve",
-" -c exp use pure exponential contrast curve",
-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:
- */
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-16 18:28:54 +0000