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-rw-r--r--tiff/tools/tiffinfo.c456
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diff --git a/tiff/tools/tiffinfo.c b/tiff/tools/tiffinfo.c
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+/* $Id: tiffinfo.c,v 1.8.2.1 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>
+
+#ifdef HAVE_STRINGS_H
+# include <strings.h>
+#endif
+
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+
+#include "tiffio.h"
+
+#define streq(a,b) (strcasecmp(a,b) == 0)
+
+int showdata = 0; /* show data */
+int rawdata = 0; /* show raw/decoded data */
+int showwords = 0; /* show data as bytes/words */
+int readdata = 0; /* read data in file */
+int stoponerr = 1; /* stop on first read error */
+
+static void usage(void);
+static void tiffinfo(TIFF*, uint16, long);
+
+int
+main(int argc, char* argv[])
+{
+ int dirnum = -1, multiplefiles, c;
+ uint16 order = 0;
+ TIFF* tif;
+ extern int optind;
+ extern char* optarg;
+ long flags = 0;
+ uint32 diroff = 0;
+ int chopstrips = 0; /* disable strip chopping */
+
+ while ((c = getopt(argc, argv, "f:o:cdDSjilmrsvwz0123456789")) != -1)
+ switch (c) {
+ case '0': case '1': case '2': case '3':
+ case '4': case '5': case '6': case '7':
+ case '8': case '9':
+ dirnum = atoi(&argv[optind-1][1]);
+ break;
+ case 'd':
+ showdata++;
+ /* fall thru... */
+ case 'D':
+ readdata++;
+ break;
+ case 'c':
+ flags |= TIFFPRINT_COLORMAP | TIFFPRINT_CURVES;
+ break;
+ case 'f': /* fill order */
+ if (streq(optarg, "lsb2msb"))
+ order = FILLORDER_LSB2MSB;
+ else if (streq(optarg, "msb2lsb"))
+ order = FILLORDER_MSB2LSB;
+ else
+ usage();
+ break;
+ case 'i':
+ stoponerr = 0;
+ break;
+ case 'o':
+ diroff = strtoul(optarg, NULL, 0);
+ break;
+ case 'j':
+ flags |= TIFFPRINT_JPEGQTABLES |
+ TIFFPRINT_JPEGACTABLES |
+ TIFFPRINT_JPEGDCTABLES;
+ break;
+ case 'r':
+ rawdata = 1;
+ break;
+ case 's':
+ flags |= TIFFPRINT_STRIPS;
+ break;
+ case 'w':
+ showwords = 1;
+ break;
+ case 'z':
+ chopstrips = 1;
+ break;
+ case '?':
+ usage();
+ /*NOTREACHED*/
+ }
+ if (optind >= argc)
+ usage();
+ multiplefiles = (argc - optind > 1);
+ for (; optind < argc; optind++) {
+ if (multiplefiles)
+ printf("%s:\n", argv[optind]);
+ tif = TIFFOpen(argv[optind], chopstrips ? "rC" : "rc");
+ if (tif != NULL) {
+ if (dirnum != -1) {
+ if (TIFFSetDirectory(tif, (tdir_t) dirnum))
+ tiffinfo(tif, order, flags);
+ } else if (diroff != 0) {
+ if (TIFFSetSubDirectory(tif, diroff))
+ tiffinfo(tif, order, flags);
+ } else {
+ do {
+ uint32 offset;
+
+ tiffinfo(tif, order, flags);
+ if (TIFFGetField(tif, TIFFTAG_EXIFIFD,
+ &offset)) {
+ if (TIFFReadEXIFDirectory(tif, offset))
+ tiffinfo(tif, order, flags);
+ }
+ } while (TIFFReadDirectory(tif));
+ }
+ TIFFClose(tif);
+ }
+ }
+ return (0);
+}
+
+char* stuff[] = {
+"usage: tiffinfo [options] input...",
+"where options are:",
+" -D read data",
+" -i ignore read errors",
+" -c display data for grey/color response curve or colormap",
+" -d display raw/decoded image data",
+" -f lsb2msb force lsb-to-msb FillOrder for input",
+" -f msb2lsb force msb-to-lsb FillOrder for input",
+" -j show JPEG tables",
+" -o offset set initial directory offset",
+" -r read/display raw image data instead of decoded data",
+" -s display strip offsets and byte counts",
+" -w display raw data in words rather than bytes",
+" -z enable strip chopping",
+" -# set initial directory (first directory is # 0)",
+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);
+}
+
+static void
+ShowStrip(tstrip_t strip, unsigned char* pp, uint32 nrow, tsize_t scanline)
+{
+ register tsize_t cc;
+
+ printf("Strip %lu:\n", (unsigned long) strip);
+ while (nrow-- > 0) {
+ for (cc = 0; cc < scanline; cc++) {
+ printf(" %02x", *pp++);
+ if (((cc+1) % 24) == 0)
+ putchar('\n');
+ }
+ putchar('\n');
+ }
+}
+
+void
+TIFFReadContigStripData(TIFF* tif)
+{
+ unsigned char *buf;
+ tsize_t scanline = TIFFScanlineSize(tif);
+
+ buf = (unsigned char *)_TIFFmalloc(TIFFStripSize(tif));
+ if (buf) {
+ uint32 row, h;
+ uint32 rowsperstrip = (uint32)-1;
+
+ TIFFGetField(tif, TIFFTAG_IMAGELENGTH, &h);
+ TIFFGetField(tif, TIFFTAG_ROWSPERSTRIP, &rowsperstrip);
+ for (row = 0; row < h; row += rowsperstrip) {
+ uint32 nrow = (row+rowsperstrip > h ?
+ h-row : rowsperstrip);
+ tstrip_t strip = TIFFComputeStrip(tif, row, 0);
+ if (TIFFReadEncodedStrip(tif, strip, buf, nrow*scanline) < 0) {
+ if (stoponerr)
+ break;
+ } else if (showdata)
+ ShowStrip(strip, buf, nrow, scanline);
+ }
+ _TIFFfree(buf);
+ }
+}
+
+void
+TIFFReadSeparateStripData(TIFF* tif)
+{
+ unsigned char *buf;
+ tsize_t scanline = TIFFScanlineSize(tif);
+
+ buf = (unsigned char *)_TIFFmalloc(TIFFStripSize(tif));
+ if (buf) {
+ uint32 row, h;
+ uint32 rowsperstrip = (uint32)-1;
+ tsample_t s, samplesperpixel;
+
+ TIFFGetField(tif, TIFFTAG_IMAGELENGTH, &h);
+ TIFFGetField(tif, TIFFTAG_ROWSPERSTRIP, &rowsperstrip);
+ TIFFGetField(tif, TIFFTAG_SAMPLESPERPIXEL, &samplesperpixel);
+ for (row = 0; row < h; row += rowsperstrip) {
+ for (s = 0; s < samplesperpixel; s++) {
+ uint32 nrow = (row+rowsperstrip > h ?
+ h-row : rowsperstrip);
+ tstrip_t strip = TIFFComputeStrip(tif, row, s);
+ if (TIFFReadEncodedStrip(tif, strip, buf, nrow*scanline) < 0) {
+ if (stoponerr)
+ break;
+ } else if (showdata)
+ ShowStrip(strip, buf, nrow, scanline);
+ }
+ }
+ _TIFFfree(buf);
+ }
+}
+
+static void
+ShowTile(uint32 row, uint32 col, tsample_t sample,
+ unsigned char* pp, uint32 nrow, uint32 rowsize)
+{
+ uint32 cc;
+
+ printf("Tile (%lu,%lu", (unsigned long) row, (unsigned long) col);
+ if (sample != (tsample_t) -1)
+ printf(",%u", sample);
+ printf("):\n");
+ while (nrow-- > 0) {
+ for (cc = 0; cc < rowsize; cc++) {
+ printf(" %02x", *pp++);
+ if (((cc+1) % 24) == 0)
+ putchar('\n');
+ }
+ putchar('\n');
+ }
+}
+
+void
+TIFFReadContigTileData(TIFF* tif)
+{
+ unsigned char *buf;
+ tsize_t rowsize = TIFFTileRowSize(tif);
+
+ buf = (unsigned char *)_TIFFmalloc(TIFFTileSize(tif));
+ if (buf) {
+ uint32 tw, th, w, h;
+ uint32 row, col;
+
+ TIFFGetField(tif, TIFFTAG_IMAGEWIDTH, &w);
+ TIFFGetField(tif, TIFFTAG_IMAGELENGTH, &h);
+ TIFFGetField(tif, TIFFTAG_TILEWIDTH, &tw);
+ TIFFGetField(tif, TIFFTAG_TILELENGTH, &th);
+ for (row = 0; row < h; row += th) {
+ for (col = 0; col < w; col += tw) {
+ if (TIFFReadTile(tif, buf, col, row, 0, 0) < 0) {
+ if (stoponerr)
+ break;
+ } else if (showdata)
+ ShowTile(row, col, (tsample_t) -1, buf, th, rowsize);
+ }
+ }
+ _TIFFfree(buf);
+ }
+}
+
+void
+TIFFReadSeparateTileData(TIFF* tif)
+{
+ unsigned char *buf;
+ tsize_t rowsize = TIFFTileRowSize(tif);
+
+ buf = (unsigned char *)_TIFFmalloc(TIFFTileSize(tif));
+ if (buf) {
+ uint32 tw, th, w, h;
+ uint32 row, col;
+ tsample_t s, samplesperpixel;
+
+ TIFFGetField(tif, TIFFTAG_IMAGEWIDTH, &w);
+ TIFFGetField(tif, TIFFTAG_IMAGELENGTH, &h);
+ TIFFGetField(tif, TIFFTAG_TILEWIDTH, &tw);
+ TIFFGetField(tif, TIFFTAG_TILELENGTH, &th);
+ TIFFGetField(tif, TIFFTAG_SAMPLESPERPIXEL, &samplesperpixel);
+ for (row = 0; row < h; row += th) {
+ for (col = 0; col < w; col += tw) {
+ for (s = 0; s < samplesperpixel; s++) {
+ if (TIFFReadTile(tif, buf, col, row, 0, s) < 0) {
+ if (stoponerr)
+ break;
+ } else if (showdata)
+ ShowTile(row, col, s, buf, th, rowsize);
+ }
+ }
+ }
+ _TIFFfree(buf);
+ }
+}
+
+void
+TIFFReadData(TIFF* tif)
+{
+ uint16 config;
+
+ TIFFGetField(tif, TIFFTAG_PLANARCONFIG, &config);
+ if (TIFFIsTiled(tif)) {
+ if (config == PLANARCONFIG_CONTIG)
+ TIFFReadContigTileData(tif);
+ else
+ TIFFReadSeparateTileData(tif);
+ } else {
+ if (config == PLANARCONFIG_CONTIG)
+ TIFFReadContigStripData(tif);
+ else
+ TIFFReadSeparateStripData(tif);
+ }
+}
+
+static void
+ShowRawBytes(unsigned char* pp, uint32 n)
+{
+ uint32 i;
+
+ for (i = 0; i < n; i++) {
+ printf(" %02x", *pp++);
+ if (((i+1) % 24) == 0)
+ printf("\n ");
+ }
+ putchar('\n');
+}
+
+static void
+ShowRawWords(uint16* pp, uint32 n)
+{
+ uint32 i;
+
+ for (i = 0; i < n; i++) {
+ printf(" %04x", *pp++);
+ if (((i+1) % 15) == 0)
+ printf("\n ");
+ }
+ putchar('\n');
+}
+
+void
+TIFFReadRawData(TIFF* tif, int bitrev)
+{
+ tstrip_t nstrips = TIFFNumberOfStrips(tif);
+ const char* what = TIFFIsTiled(tif) ? "Tile" : "Strip";
+ uint32* stripbc;
+
+ TIFFGetField(tif, TIFFTAG_STRIPBYTECOUNTS, &stripbc);
+ if (nstrips > 0) {
+ uint32 bufsize = stripbc[0];
+ tdata_t buf = _TIFFmalloc(bufsize);
+ tstrip_t s;
+
+ for (s = 0; s < nstrips; s++) {
+ if (stripbc[s] > bufsize) {
+ buf = _TIFFrealloc(buf, stripbc[s]);
+ bufsize = stripbc[s];
+ }
+ if (buf == NULL) {
+ fprintf(stderr,
+ "Cannot allocate buffer to read strip %lu\n",
+ (unsigned long) s);
+ break;
+ }
+ if (TIFFReadRawStrip(tif, s, buf, stripbc[s]) < 0) {
+ fprintf(stderr, "Error reading strip %lu\n",
+ (unsigned long) s);
+ if (stoponerr)
+ break;
+ } else if (showdata) {
+ if (bitrev) {
+ TIFFReverseBits(buf, stripbc[s]);
+ printf("%s %lu: (bit reversed)\n ",
+ what, (unsigned long) s);
+ } else
+ printf("%s %lu:\n ", what,
+ (unsigned long) s);
+ if (showwords)
+ ShowRawWords((uint16*) buf, stripbc[s]>>1);
+ else
+ ShowRawBytes((unsigned char*) buf, stripbc[s]);
+ }
+ }
+ if (buf != NULL)
+ _TIFFfree(buf);
+ }
+}
+
+static void
+tiffinfo(TIFF* tif, uint16 order, long flags)
+{
+ TIFFPrintDirectory(tif, stdout, flags);
+ if (!readdata)
+ return;
+ if (rawdata) {
+ if (order) {
+ uint16 o;
+ TIFFGetFieldDefaulted(tif,
+ TIFFTAG_FILLORDER, &o);
+ TIFFReadRawData(tif, o != order);
+ } else
+ TIFFReadRawData(tif, 0);
+ } else {
+ if (order)
+ TIFFSetField(tif, TIFFTAG_FILLORDER, order);
+ TIFFReadData(tif);
+ }
+}
+
+/* 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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