454 lines
11 KiB
C
454 lines
11 KiB
C
/* $Id: tiffinfo.c,v 1.15 2009-01-22 20:53:08 fwarmerdam Exp $ */
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/*
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* Copyright (c) 1988-1997 Sam Leffler
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* Copyright (c) 1991-1997 Silicon Graphics, Inc.
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*
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* Permission to use, copy, modify, distribute, and sell this software and
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* its documentation for any purpose is hereby granted without fee, provided
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* that (i) the above copyright notices and this permission notice appear in
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* all copies of the software and related documentation, and (ii) the names of
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* Sam Leffler and Silicon Graphics may not be used in any advertising or
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* publicity relating to the software without the specific, prior written
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* permission of Sam Leffler and Silicon Graphics.
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*
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* THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
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* WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
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*
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* IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
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* ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
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* OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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* WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
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* LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THIS SOFTWARE.
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*/
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#include "tif_config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#ifdef NEED_LIBPORT
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# include "libport.h"
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#endif
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#include "tiffio.h"
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#define streq(a,b) (strcasecmp(a,b) == 0)
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int showdata = 0; /* show data */
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int rawdata = 0; /* show raw/decoded data */
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int showwords = 0; /* show data as bytes/words */
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int readdata = 0; /* read data in file */
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int stoponerr = 1; /* stop on first read error */
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static void usage(void);
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static void tiffinfo(TIFF*, uint16, long);
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int
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main(int argc, char* argv[])
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{
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int dirnum = -1, multiplefiles, c;
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uint16 order = 0;
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TIFF* tif;
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extern int optind;
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extern char* optarg;
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long flags = 0;
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uint64 diroff = 0;
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int chopstrips = 0; /* disable strip chopping */
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while ((c = getopt(argc, argv, "f:o:cdDSjilmrsvwz0123456789")) != -1)
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switch (c) {
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case '0': case '1': case '2': case '3':
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case '4': case '5': case '6': case '7':
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case '8': case '9':
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dirnum = atoi(&argv[optind-1][1]);
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break;
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case 'd':
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showdata++;
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/* fall thru... */
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case 'D':
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readdata++;
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break;
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case 'c':
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flags |= TIFFPRINT_COLORMAP | TIFFPRINT_CURVES;
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break;
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case 'f': /* fill order */
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if (streq(optarg, "lsb2msb"))
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order = FILLORDER_LSB2MSB;
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else if (streq(optarg, "msb2lsb"))
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order = FILLORDER_MSB2LSB;
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else
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usage();
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break;
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case 'i':
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stoponerr = 0;
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break;
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case 'o':
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diroff = strtoul(optarg, NULL, 0);
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break;
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case 'j':
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flags |= TIFFPRINT_JPEGQTABLES |
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TIFFPRINT_JPEGACTABLES |
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TIFFPRINT_JPEGDCTABLES;
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break;
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case 'r':
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rawdata = 1;
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break;
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case 's':
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flags |= TIFFPRINT_STRIPS;
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break;
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case 'w':
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showwords = 1;
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break;
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case 'z':
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chopstrips = 1;
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break;
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case '?':
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usage();
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/*NOTREACHED*/
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}
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if (optind >= argc)
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usage();
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multiplefiles = (argc - optind > 1);
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for (; optind < argc; optind++) {
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if (multiplefiles)
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printf("%s:\n", argv[optind]);
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tif = TIFFOpen(argv[optind], chopstrips ? "rC" : "rc");
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if (tif != NULL) {
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if (dirnum != -1) {
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if (TIFFSetDirectory(tif, (tdir_t) dirnum))
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tiffinfo(tif, order, flags);
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} else if (diroff != 0) {
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if (TIFFSetSubDirectory(tif, diroff))
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tiffinfo(tif, order, flags);
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} else {
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do {
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toff_t offset;
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tiffinfo(tif, order, flags);
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if (TIFFGetField(tif, TIFFTAG_EXIFIFD,
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&offset)) {
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if (TIFFReadEXIFDirectory(tif, offset))
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tiffinfo(tif, order, flags);
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}
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} while (TIFFReadDirectory(tif));
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}
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TIFFClose(tif);
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}
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}
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return (0);
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}
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char* stuff[] = {
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"usage: tiffinfo [options] input...",
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"where options are:",
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" -D read data",
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" -i ignore read errors",
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" -c display data for grey/color response curve or colormap",
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" -d display raw/decoded image data",
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" -f lsb2msb force lsb-to-msb FillOrder for input",
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" -f msb2lsb force msb-to-lsb FillOrder for input",
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" -j show JPEG tables",
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" -o offset set initial directory offset",
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" -r read/display raw image data instead of decoded data",
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" -s display strip offsets and byte counts",
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" -w display raw data in words rather than bytes",
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" -z enable strip chopping",
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" -# set initial directory (first directory is # 0)",
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NULL
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};
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static void
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usage(void)
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{
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char buf[BUFSIZ];
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int i;
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setbuf(stderr, buf);
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fprintf(stderr, "%s\n\n", TIFFGetVersion());
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for (i = 0; stuff[i] != NULL; i++)
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fprintf(stderr, "%s\n", stuff[i]);
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exit(-1);
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}
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static void
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ShowStrip(tstrip_t strip, unsigned char* pp, uint32 nrow, tsize_t scanline)
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{
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register tsize_t cc;
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printf("Strip %lu:\n", (unsigned long) strip);
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while (nrow-- > 0) {
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for (cc = 0; cc < scanline; cc++) {
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printf(" %02x", *pp++);
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if (((cc+1) % 24) == 0)
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putchar('\n');
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}
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putchar('\n');
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}
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}
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void
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TIFFReadContigStripData(TIFF* tif)
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{
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unsigned char *buf;
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tsize_t scanline = TIFFScanlineSize(tif);
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buf = (unsigned char *)_TIFFmalloc(TIFFStripSize(tif));
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if (buf) {
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uint32 row, h;
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uint32 rowsperstrip = (uint32)-1;
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TIFFGetField(tif, TIFFTAG_IMAGELENGTH, &h);
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TIFFGetField(tif, TIFFTAG_ROWSPERSTRIP, &rowsperstrip);
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for (row = 0; row < h; row += rowsperstrip) {
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uint32 nrow = (row+rowsperstrip > h ?
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h-row : rowsperstrip);
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tstrip_t strip = TIFFComputeStrip(tif, row, 0);
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if (TIFFReadEncodedStrip(tif, strip, buf, nrow*scanline) < 0) {
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if (stoponerr)
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break;
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} else if (showdata)
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ShowStrip(strip, buf, nrow, scanline);
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}
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_TIFFfree(buf);
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}
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}
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void
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TIFFReadSeparateStripData(TIFF* tif)
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{
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unsigned char *buf;
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tsize_t scanline = TIFFScanlineSize(tif);
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buf = (unsigned char *)_TIFFmalloc(TIFFStripSize(tif));
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if (buf) {
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uint32 row, h;
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uint32 rowsperstrip = (uint32)-1;
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tsample_t s, samplesperpixel;
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TIFFGetField(tif, TIFFTAG_IMAGELENGTH, &h);
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TIFFGetField(tif, TIFFTAG_ROWSPERSTRIP, &rowsperstrip);
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TIFFGetField(tif, TIFFTAG_SAMPLESPERPIXEL, &samplesperpixel);
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for (row = 0; row < h; row += rowsperstrip) {
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for (s = 0; s < samplesperpixel; s++) {
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uint32 nrow = (row+rowsperstrip > h ?
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h-row : rowsperstrip);
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tstrip_t strip = TIFFComputeStrip(tif, row, s);
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if (TIFFReadEncodedStrip(tif, strip, buf, nrow*scanline) < 0) {
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if (stoponerr)
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break;
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} else if (showdata)
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ShowStrip(strip, buf, nrow, scanline);
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}
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}
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_TIFFfree(buf);
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}
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}
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static void
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ShowTile(uint32 row, uint32 col, tsample_t sample,
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unsigned char* pp, uint32 nrow, tsize_t rowsize)
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{
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uint32 cc;
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printf("Tile (%lu,%lu", (unsigned long) row, (unsigned long) col);
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if (sample != (tsample_t) -1)
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printf(",%u", sample);
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printf("):\n");
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while (nrow-- > 0) {
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for (cc = 0; cc < (uint32) rowsize; cc++) {
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printf(" %02x", *pp++);
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if (((cc+1) % 24) == 0)
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putchar('\n');
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}
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putchar('\n');
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}
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}
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void
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TIFFReadContigTileData(TIFF* tif)
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{
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unsigned char *buf;
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tsize_t rowsize = TIFFTileRowSize(tif);
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buf = (unsigned char *)_TIFFmalloc(TIFFTileSize(tif));
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if (buf) {
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uint32 tw, th, w, h;
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uint32 row, col;
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TIFFGetField(tif, TIFFTAG_IMAGEWIDTH, &w);
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TIFFGetField(tif, TIFFTAG_IMAGELENGTH, &h);
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TIFFGetField(tif, TIFFTAG_TILEWIDTH, &tw);
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TIFFGetField(tif, TIFFTAG_TILELENGTH, &th);
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for (row = 0; row < h; row += th) {
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for (col = 0; col < w; col += tw) {
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if (TIFFReadTile(tif, buf, col, row, 0, 0) < 0) {
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if (stoponerr)
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break;
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} else if (showdata)
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ShowTile(row, col, (tsample_t) -1, buf, th, rowsize);
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}
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}
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_TIFFfree(buf);
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}
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}
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void
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TIFFReadSeparateTileData(TIFF* tif)
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{
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unsigned char *buf;
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tsize_t rowsize = TIFFTileRowSize(tif);
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buf = (unsigned char *)_TIFFmalloc(TIFFTileSize(tif));
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if (buf) {
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uint32 tw, th, w, h;
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uint32 row, col;
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tsample_t s, samplesperpixel;
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TIFFGetField(tif, TIFFTAG_IMAGEWIDTH, &w);
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TIFFGetField(tif, TIFFTAG_IMAGELENGTH, &h);
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TIFFGetField(tif, TIFFTAG_TILEWIDTH, &tw);
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TIFFGetField(tif, TIFFTAG_TILELENGTH, &th);
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TIFFGetField(tif, TIFFTAG_SAMPLESPERPIXEL, &samplesperpixel);
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for (row = 0; row < h; row += th) {
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for (col = 0; col < w; col += tw) {
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for (s = 0; s < samplesperpixel; s++) {
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if (TIFFReadTile(tif, buf, col, row, 0, s) < 0) {
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if (stoponerr)
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break;
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} else if (showdata)
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ShowTile(row, col, s, buf, th, rowsize);
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}
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}
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}
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_TIFFfree(buf);
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}
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}
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void
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TIFFReadData(TIFF* tif)
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{
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uint16 config;
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TIFFGetField(tif, TIFFTAG_PLANARCONFIG, &config);
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if (TIFFIsTiled(tif)) {
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if (config == PLANARCONFIG_CONTIG)
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TIFFReadContigTileData(tif);
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else
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TIFFReadSeparateTileData(tif);
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} else {
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if (config == PLANARCONFIG_CONTIG)
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TIFFReadContigStripData(tif);
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else
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TIFFReadSeparateStripData(tif);
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}
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}
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static void
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ShowRawBytes(unsigned char* pp, uint32 n)
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{
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uint32 i;
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for (i = 0; i < n; i++) {
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printf(" %02x", *pp++);
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if (((i+1) % 24) == 0)
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printf("\n ");
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}
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putchar('\n');
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}
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static void
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ShowRawWords(uint16* pp, uint32 n)
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{
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uint32 i;
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for (i = 0; i < n; i++) {
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printf(" %04x", *pp++);
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if (((i+1) % 15) == 0)
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printf("\n ");
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}
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putchar('\n');
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}
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void
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TIFFReadRawData(TIFF* tif, int bitrev)
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{
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tstrip_t nstrips = TIFFNumberOfStrips(tif);
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const char* what = TIFFIsTiled(tif) ? "Tile" : "Strip";
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uint64* stripbc;
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TIFFGetField(tif, TIFFTAG_STRIPBYTECOUNTS, &stripbc);
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if (nstrips > 0) {
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uint32 bufsize = (uint32) stripbc[0];
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tdata_t buf = _TIFFmalloc(bufsize);
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tstrip_t s;
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for (s = 0; s < nstrips; s++) {
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if (stripbc[s] > bufsize) {
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buf = _TIFFrealloc(buf, (tmsize_t)stripbc[s]);
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bufsize = (uint32) stripbc[s];
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}
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if (buf == NULL) {
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fprintf(stderr,
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"Cannot allocate buffer to read strip %lu\n",
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(unsigned long) s);
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break;
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}
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if (TIFFReadRawStrip(tif, s, buf, (tmsize_t) stripbc[s]) < 0) {
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fprintf(stderr, "Error reading strip %lu\n",
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(unsigned long) s);
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if (stoponerr)
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break;
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} else if (showdata) {
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if (bitrev) {
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TIFFReverseBits(buf, (tmsize_t)stripbc[s]);
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printf("%s %lu: (bit reversed)\n ",
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what, (unsigned long) s);
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} else
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printf("%s %lu:\n ", what,
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(unsigned long) s);
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if (showwords)
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ShowRawWords((uint16*) buf, (uint32) stripbc[s]>>1);
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else
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ShowRawBytes((unsigned char*) buf, (uint32) stripbc[s]);
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}
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}
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if (buf != NULL)
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_TIFFfree(buf);
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}
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}
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static void
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tiffinfo(TIFF* tif, uint16 order, long flags)
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{
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TIFFPrintDirectory(tif, stdout, flags);
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if (!readdata)
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return;
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if (rawdata) {
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if (order) {
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uint16 o;
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TIFFGetFieldDefaulted(tif,
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TIFFTAG_FILLORDER, &o);
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TIFFReadRawData(tif, o != order);
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} else
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TIFFReadRawData(tif, 0);
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} else {
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if (order)
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TIFFSetField(tif, TIFFTAG_FILLORDER, order);
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TIFFReadData(tif);
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}
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}
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/* vim: set ts=8 sts=8 sw=8 noet: */
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