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- /* $Header: /usr/people/sam/tiff/tools/RCS/tiffinfo.c,v 1.26 1996/01/10 19:35:39 sam Rel $ */
-
- /*
- * Copyright (c) 1988-1996 Sam Leffler
- * Copyright (c) 1991-1996 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 "tiffio.h"
-
- #define streq(a,b) (strcmp(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;
-
- while ((c = getopt(argc, argv, "f:o:cdDSjlmrsvw0123456789")) != -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 '?':
- 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], "r");
- if (tif != NULL) {
- if (dirnum != -1) {
- if (TIFFSetDirectory(tif, dirnum))
- tiffinfo(tif, order, flags);
- } else if (diroff != 0) {
- if (TIFFSetSubDirectory(tif, diroff))
- tiffinfo(tif, order, flags);
- } else {
- do
- 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",
- " -# set initial directory (first directory is # 0)",
- 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);
- }
-
- 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)
- {
- register tsize_t 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)
- {
- tsize_t 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)
- {
- tsize_t 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) {
- tsize_t 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);
- }
- }
-