/* $Id: strip.c,v 1.5 2013-12-17 14:41:58 bfriesen Exp $ */
/*
* Copyright (c) 2004, Andrey Kiselev <dron@ak4719.spb.edu>
*
* 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.
*/
/*
* TIFF Library
*
* Functions to test strip interface of libtiff.
*/
#include <stdio.h>
#include <string.h>
#include "tiffio.h"
int
write_strips(TIFF *tif, const tdata_t array, const tsize_t size)
{
tstrip_t strip, nstrips;
tsize_t stripsize, offset;
stripsize = TIFFStripSize(tif);
if (!stripsize) {
fprintf (stderr, "Wrong size of strip.\n");
return -1;
}
nstrips = TIFFNumberOfStrips(tif);
for (offset = 0, strip = 0;
offset < size && strip < nstrips;
offset+=stripsize, strip++) {
/*
* Properly write last strip.
*/
tsize_t bufsize = size - offset;
if (bufsize > stripsize)
bufsize = stripsize;
if (TIFFWriteEncodedStrip(tif, strip, (char *)array + offset,
bufsize) != bufsize) {
fprintf (stderr, "Can't write strip %lu.\n",
(unsigned long)strip);
return -1;
}
}
return 0;
}
int
read_strips(TIFF *tif, const tdata_t array, const tsize_t size)
{
tstrip_t strip, nstrips;
tsize_t stripsize, offset;
tdata_t buf = NULL;
stripsize = TIFFStripSize(tif);
if (!stripsize) {
fprintf (stderr, "Wrong size of strip.\n");
return -1;
}
buf = _TIFFmalloc(stripsize);
if (!buf) {
fprintf (stderr, "Can't allocate space for strip buffer.\n");
return -1;
}
nstrips = TIFFNumberOfStrips(tif);
for (offset = 0, strip = 0;
offset < size && strip < nstrips;
offset+=stripsize, strip++) {
/*
* Properly read last strip.
*/
tsize_t bufsize = size - offset;
if (bufsize > stripsize)
bufsize = stripsize;
if (TIFFReadEncodedStrip(tif, strip, buf, -1) != bufsize) {
fprintf (stderr, "Can't read strip %lu.\n",
(unsigned long)strip);
return -1;
}
if (memcmp(buf, (char *)array + offset, bufsize) != 0) {
fprintf (stderr, "Wrong data read for strip %lu.\n",
(unsigned long)strip);
_TIFFfree(buf);
return -1;
}
}
_TIFFfree(buf);
return 0;
}
int
create_image_striped(const char *name, uint32 width, uint32 length,
uint32 rowsperstrip, uint16 compression,
uint16 spp, uint16 bps, uint16 photometric,
uint16 sampleformat, uint16 planarconfig,
const tdata_t array, const tsize_t size)
{
TIFF *tif;
/* Test whether we can write tags. */
tif = TIFFOpen(name, "w");
if (!tif)
goto openfailure;
if (!TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, width)) {
fprintf (stderr, "Can't set ImageWidth tag.\n");
goto failure;
}
if (!TIFFSetField(tif, TIFFTAG_IMAGELENGTH, length)) {
fprintf (stderr, "Can't set ImageLength tag.\n");
goto failure;
}
if (!TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, bps)) {
fprintf (stderr, "Can't set BitsPerSample tag.\n");
goto failure;
}
if (!TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, spp)) {
fprintf (stderr, "Can't set SamplesPerPixel tag.\n");
goto failure;
}
if (!TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, rowsperstrip)) {
fprintf (stderr, "Can't set RowsPerStrip tag.\n");
goto failure;
}
if (!TIFFSetField(tif, TIFFTAG_PLANARCONFIG, planarconfig)) {
fprintf (stderr, "Can't set PlanarConfiguration tag.\n");
goto failure;
}
if (!TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, photometric)) {
fprintf (stderr, "Can't set PhotometricInterpretation tag.\n");
goto failure;
}
if (write_strips(tif, array, size) < 0) {
fprintf (stderr, "Can't write image data.\n");
goto failure;
}
TIFFClose(tif);
return 0;
failure:
TIFFClose(tif);
openfailure:
fprintf (stderr, "Can't create test TIFF file %s:\n"
" ImageWidth=%ld, ImageLength=%ld, RowsPerStrip=%ld, Compression=%d,\n"
" BitsPerSample=%d, SamplesPerPixel=%d, SampleFormat=%d,\n"
" PlanarConfiguration=%d, PhotometricInterpretation=%d.\n",
name, (long) width, (long) length, (long) rowsperstrip,
compression, bps, spp, sampleformat, planarconfig,
photometric);
return -1;
}
int
read_image_striped(const char *name, uint32 width, uint32 length,
uint32 rowsperstrip, uint16 compression,
uint16 spp, uint16 bps, uint16 photometric,
uint16 sampleformat, uint16 planarconfig,
const tdata_t array, const tsize_t size)
{
TIFF *tif;
uint16 value_u16;
uint32 value_u32;
/* Test whether we can read written values. */
tif = TIFFOpen(name, "r");
if (!tif)
goto openfailure;
if (TIFFIsTiled(tif)) {
fprintf (stderr, "Can't read image %s, it is tiled.\n",
name);
goto failure;
}
if (!TIFFGetField(tif, TIFFTAG_IMAGEWIDTH, &value_u32)
|| value_u32 != width) {
fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_IMAGEWIDTH);
goto failure;
}
if (!TIFFGetField(tif, TIFFTAG_IMAGELENGTH, &value_u32)
|| value_u32 != length) {
fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_IMAGELENGTH);
goto failure;
}
if (!TIFFGetField(tif, TIFFTAG_BITSPERSAMPLE, &value_u16)
|| value_u16 != bps) {
fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_BITSPERSAMPLE);
goto failure;
}
if (!TIFFGetField(tif, TIFFTAG_PHOTOMETRIC, &value_u16)
|| value_u16 != photometric) {
fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_PHOTOMETRIC);
goto failure;
}
if (!TIFFGetField(tif, TIFFTAG_SAMPLESPERPIXEL, &value_u16)
|| value_u16 != spp) {
fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_SAMPLESPERPIXEL);
goto failure;
}
if (!TIFFGetField(tif, TIFFTAG_ROWSPERSTRIP, &value_u32)
|| value_u32 != rowsperstrip) {
fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_ROWSPERSTRIP);
goto failure;
}
if (!TIFFGetField(tif, TIFFTAG_PLANARCONFIG, &value_u16)
|| value_u16 != planarconfig) {
fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_PLANARCONFIG);
goto failure;
}
if (read_strips(tif, array, size) < 0) {
fprintf (stderr, "Can't read image data.\n");
goto failure;
}
TIFFClose(tif);
return 0;
failure:
TIFFClose(tif);
openfailure:
fprintf (stderr, "Can't read test TIFF file %s:\n"
" ImageWidth=%ld, ImageLength=%ld, RowsPerStrip=%ld, Compression=%d,\n"
" BitsPerSample=%d, SamplesPerPixel=%d, SampleFormat=%d,\n"
" PlanarConfiguration=%d, PhotometricInterpretation=%d.\n",
name, (long) width, (long) length, (long) rowsperstrip,
compression, bps, spp, sampleformat, planarconfig,
photometric);
return -1;
}
int
write_scanlines(TIFF *tif, const tdata_t array, const tsize_t size)
{
uint32 length, row;
tsize_t scanlinesize, offset;
(void) size;
if (!TIFFGetField(tif, TIFFTAG_IMAGELENGTH, &length)) {
fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_IMAGELENGTH);
return -1;
}
scanlinesize = TIFFScanlineSize(tif);
if (!scanlinesize) {
fprintf (stderr, "Wrong size of scanline.\n");
return -1;
}
for (offset = 0, row = 0; row < length; offset+=scanlinesize, row++) {
if (TIFFWriteScanline(tif, (char *)array + offset, row, 0) == -1) {
fprintf (stderr,
"Can't write image data at row %lu.\n", (long) row);
return -1;
}
}
return 0;
}
/* vim: set ts=8 sts=8 sw=8 noet: */