long_tag.c
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/* $Id: long_tag.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
*
* Module to test LONG tags read/write functions.
*/
#include "tif_config.h"
#include <stdio.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include "tiffio.h"
extern int CheckLongField(TIFF *, ttag_t, uint32);
const char *filename = "long_test.tiff";
static struct Tags {
ttag_t tag;
short count;
uint32 value;
} long_tags[] = {
{ TIFFTAG_SUBFILETYPE, 1, FILETYPE_REDUCEDIMAGE|FILETYPE_PAGE|FILETYPE_MASK }
};
#define NTAGS (sizeof (long_tags) / sizeof (long_tags[0]))
const uint32 width = 1;
const uint32 length = 1;
const uint32 rows_per_strip = 1;
int
main(int argc, char **argv)
{
TIFF *tif;
unsigned int i;
unsigned char buf[3] = { 0, 127, 255 };
(void) argc;
(void) argv;
/* Test whether we can write tags. */
tif = TIFFOpen(filename, "w");
if (!tif) {
fprintf (stderr, "Can't create test TIFF file %s.\n", filename);
return 1;
}
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, 8)) {
fprintf (stderr, "Can't set BitsPerSample tag.\n");
goto failure;
}
if (!TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 3)) {
fprintf (stderr, "Can't set SamplesPerPixel tag.\n");
goto failure;
}
if (!TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, rows_per_strip)) {
fprintf (stderr, "Can't set SamplesPerPixel tag.\n");
goto failure;
}
if (!TIFFSetField(tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG)) {
fprintf (stderr, "Can't set PlanarConfiguration tag.\n");
goto failure;
}
if (!TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB)) {
fprintf (stderr, "Can't set PhotometricInterpretation tag.\n");
goto failure;
}
for (i = 0; i < NTAGS; i++) {
if (!TIFFSetField(tif, long_tags[i].tag,
long_tags[i].value)) {
fprintf(stderr, "Can't set tag %d.\n",
(int)long_tags[i].tag);
goto failure;
}
}
/* Write dummy pixel data. */
if (TIFFWriteScanline(tif, buf, 0, 0) == -1) {
fprintf (stderr, "Can't write image data.\n");
goto failure;
}
TIFFClose(tif);
/* Ok, now test whether we can read written values. */
tif = TIFFOpen(filename, "r");
if (!tif) {
fprintf (stderr, "Can't open test TIFF file %s.\n", filename);
return 1;
}
if (CheckLongField(tif, TIFFTAG_IMAGEWIDTH, width) < 0)
goto failure;
if (CheckLongField(tif, TIFFTAG_IMAGELENGTH, length) < 0)
goto failure;
if (CheckLongField(tif, TIFFTAG_ROWSPERSTRIP, rows_per_strip) < 0)
goto failure;
for (i = 0; i < NTAGS; i++) {
if (CheckLongField(tif, long_tags[i].tag,
long_tags[i].value) < 0)
goto failure;
}
TIFFClose(tif);
/* All tests passed; delete file and exit with success status. */
unlink(filename);
return 0;
failure:
/* Something goes wrong; close file and return unsuccessful status. */
TIFFClose(tif);
unlink(filename);
return 1;
}
/* vim: set ts=8 sts=8 sw=8 noet: */