forked from Mirrors/freeswitch
291 lines
7.9 KiB
C
291 lines
7.9 KiB
C
/* $Id: strip.c,v 1.4 2008-03-28 01:42:06 bfriesen Exp $ */
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/*
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* Copyright (c) 2004, Andrey Kiselev <dron@ak4719.spb.edu>
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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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/*
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* TIFF Library
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*
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* Functions to test strip interface of libtiff.
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*/
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#include <stdio.h>
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#include <string.h>
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#include "tiffio.h"
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int
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write_strips(TIFF *tif, const tdata_t array, const tsize_t size)
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{
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tstrip_t strip, nstrips;
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tsize_t stripsize, offset;
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stripsize = TIFFStripSize(tif);
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if (!stripsize) {
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fprintf (stderr, "Wrong size of strip.\n");
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return -1;
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}
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nstrips = TIFFNumberOfStrips(tif);
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for (offset = 0, strip = 0;
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offset < size && strip < nstrips;
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offset+=stripsize, strip++) {
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/*
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* Properly write last strip.
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*/
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tsize_t bufsize = size - offset;
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if (bufsize > stripsize)
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bufsize = stripsize;
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if (TIFFWriteEncodedStrip(tif, strip, (char *)array + offset,
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bufsize) != bufsize) {
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fprintf (stderr, "Can't write strip %lu.\n",
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(unsigned long)strip);
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return -1;
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}
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}
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return 0;
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}
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int
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read_strips(TIFF *tif, const tdata_t array, const tsize_t size)
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{
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tstrip_t strip, nstrips;
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tsize_t stripsize, offset;
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tdata_t buf = NULL;
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stripsize = TIFFStripSize(tif);
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if (!stripsize) {
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fprintf (stderr, "Wrong size of strip.\n");
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return -1;
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}
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buf = _TIFFmalloc(stripsize);
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if (!buf) {
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fprintf (stderr, "Can't allocate space for strip buffer.\n");
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return -1;
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}
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nstrips = TIFFNumberOfStrips(tif);
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for (offset = 0, strip = 0;
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offset < size && strip < nstrips;
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offset+=stripsize, strip++) {
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/*
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* Properly read last strip.
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*/
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tsize_t bufsize = size - offset;
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if (bufsize > stripsize)
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bufsize = stripsize;
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if (TIFFReadEncodedStrip(tif, strip, buf, -1) != bufsize) {
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fprintf (stderr, "Can't read strip %lu.\n",
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(unsigned long)strip);
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return -1;
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}
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if (memcmp(buf, (char *)array + offset, bufsize) != 0) {
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fprintf (stderr, "Wrong data read for strip %lu.\n",
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(unsigned long)strip);
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_TIFFfree(buf);
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return -1;
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}
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}
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_TIFFfree(buf);
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return 0;
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}
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int
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create_image_striped(const char *name, uint32 width, uint32 length,
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uint32 rowsperstrip, uint16 compression,
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uint16 spp, uint16 bps, uint16 photometric,
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uint16 sampleformat, uint16 planarconfig,
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const tdata_t array, const tsize_t size)
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{
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TIFF *tif;
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/* Test whether we can write tags. */
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tif = TIFFOpen(name, "w");
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if (!tif)
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goto openfailure;
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if (!TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, width)) {
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fprintf (stderr, "Can't set ImageWidth tag.\n");
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goto failure;
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}
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if (!TIFFSetField(tif, TIFFTAG_IMAGELENGTH, length)) {
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fprintf (stderr, "Can't set ImageLength tag.\n");
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goto failure;
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}
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if (!TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, bps)) {
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fprintf (stderr, "Can't set BitsPerSample tag.\n");
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goto failure;
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}
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if (!TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, spp)) {
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fprintf (stderr, "Can't set SamplesPerPixel tag.\n");
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goto failure;
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}
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if (!TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, rowsperstrip)) {
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fprintf (stderr, "Can't set RowsPerStrip tag.\n");
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goto failure;
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}
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if (!TIFFSetField(tif, TIFFTAG_PLANARCONFIG, planarconfig)) {
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fprintf (stderr, "Can't set PlanarConfiguration tag.\n");
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goto failure;
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}
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if (!TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, photometric)) {
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fprintf (stderr, "Can't set PhotometricInterpretation tag.\n");
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goto failure;
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}
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if (write_strips(tif, array, size) < 0) {
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fprintf (stderr, "Can't write image data.\n");
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goto failure;
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}
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TIFFClose(tif);
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return 0;
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failure:
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TIFFClose(tif);
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openfailure:
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fprintf (stderr, "Can't create test TIFF file %s:\n"
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" ImageWidth=%ld, ImageLength=%ld, RowsPerStrip=%ld, Compression=%d,\n"
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" BitsPerSample=%d, SamplesPerPixel=%d, SampleFormat=%d,\n"
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" PlanarConfiguration=%d, PhotometricInterpretation=%d.\n",
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name, (long) width, (long) length, (long) rowsperstrip,
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compression, bps, spp, sampleformat, planarconfig,
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photometric);
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return -1;
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}
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int
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read_image_striped(const char *name, uint32 width, uint32 length,
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uint32 rowsperstrip, uint16 compression,
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uint16 spp, uint16 bps, uint16 photometric,
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uint16 sampleformat, uint16 planarconfig,
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const tdata_t array, const tsize_t size)
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{
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TIFF *tif;
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uint16 value_u16;
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uint32 value_u32;
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/* Test whether we can read written values. */
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tif = TIFFOpen(name, "r");
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if (!tif)
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goto openfailure;
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if (TIFFIsTiled(tif)) {
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fprintf (stderr, "Can't read image %s, it is tiled.\n",
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name);
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goto failure;
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}
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if (!TIFFGetField(tif, TIFFTAG_IMAGEWIDTH, &value_u32)
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|| value_u32 != width) {
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fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_IMAGEWIDTH);
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goto failure;
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}
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if (!TIFFGetField(tif, TIFFTAG_IMAGELENGTH, &value_u32)
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|| value_u32 != length) {
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fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_IMAGELENGTH);
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goto failure;
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}
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if (!TIFFGetField(tif, TIFFTAG_BITSPERSAMPLE, &value_u16)
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|| value_u16 != bps) {
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fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_BITSPERSAMPLE);
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goto failure;
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}
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if (!TIFFGetField(tif, TIFFTAG_PHOTOMETRIC, &value_u16)
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|| value_u16 != photometric) {
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fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_PHOTOMETRIC);
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goto failure;
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}
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if (!TIFFGetField(tif, TIFFTAG_SAMPLESPERPIXEL, &value_u16)
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|| value_u16 != spp) {
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fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_SAMPLESPERPIXEL);
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goto failure;
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}
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if (!TIFFGetField(tif, TIFFTAG_ROWSPERSTRIP, &value_u32)
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|| value_u32 != rowsperstrip) {
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fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_ROWSPERSTRIP);
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goto failure;
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}
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if (!TIFFGetField(tif, TIFFTAG_PLANARCONFIG, &value_u16)
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|| value_u16 != planarconfig) {
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fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_PLANARCONFIG);
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goto failure;
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}
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if (read_strips(tif, array, size) < 0) {
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fprintf (stderr, "Can't read image data.\n");
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goto failure;
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}
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TIFFClose(tif);
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return 0;
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failure:
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TIFFClose(tif);
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openfailure:
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fprintf (stderr, "Can't read test TIFF file %s:\n"
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" ImageWidth=%ld, ImageLength=%ld, RowsPerStrip=%ld, Compression=%d,\n"
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" BitsPerSample=%d, SamplesPerPixel=%d, SampleFormat=%d,\n"
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" PlanarConfiguration=%d, PhotometricInterpretation=%d.\n",
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name, (long) width, (long) length, (long) rowsperstrip,
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compression, bps, spp, sampleformat, planarconfig,
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photometric);
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return -1;
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}
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int
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write_scanlines(TIFF *tif, const tdata_t array, const tsize_t size)
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{
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uint32 length, row;
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tsize_t scanlinesize, offset;
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(void) size;
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if (!TIFFGetField(tif, TIFFTAG_IMAGELENGTH, &length)) {
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fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_IMAGELENGTH);
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return -1;
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}
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scanlinesize = TIFFScanlineSize(tif);
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if (!scanlinesize) {
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fprintf (stderr, "Wrong size of scanline.\n");
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return -1;
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}
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for (offset = 0, row = 0; row < length; offset+=scanlinesize, row++) {
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if (TIFFWriteScanline(tif, (char *)array + offset, row, 0) < 0) {
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fprintf (stderr,
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"Can't write image data at row %lu.\n", (long) row);
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return -1;
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}
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}
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return 0;
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}
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/* vim: set ts=8 sts=8 sw=8 noet: */
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