ascii_tag.c
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/* $Id: ascii_tag.c,v 1.7 2008/04/15 13:32:12 dron 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 ASCII tags read/write functions.
*/
#include "tif_config.h"
#include <stdio.h>
#include <string.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include "tiffio.h"
static const char filename[] = "ascii_test.tiff";
static const struct {
ttag_t tag;
const char *value;
} ascii_tags[] = {
{ TIFFTAG_DOCUMENTNAME, "Test TIFF image" },
{ TIFFTAG_IMAGEDESCRIPTION, "Temporary test image" },
{ TIFFTAG_MAKE, "This is not scanned image" },
{ TIFFTAG_MODEL, "No scanner" },
{ TIFFTAG_PAGENAME, "Test page" },
{ TIFFTAG_SOFTWARE, "Libtiff library" },
{ TIFFTAG_DATETIME, "2004:09:10 16:09:00" },
{ TIFFTAG_ARTIST, "Andrey V. Kiselev" },
{ TIFFTAG_HOSTCOMPUTER, "Debian GNU/Linux (Sarge)" },
{ TIFFTAG_TARGETPRINTER, "No printer" },
{ TIFFTAG_COPYRIGHT, "Copyright (c) 2004, Andrey Kiselev" },
{ TIFFTAG_FAXSUBADDRESS, "Fax subaddress" },
/* DGN tags */
{ TIFFTAG_UNIQUECAMERAMODEL, "No camera" },
{ TIFFTAG_CAMERASERIALNUMBER, "1234567890" }
};
#define NTAGS (sizeof (ascii_tags) / sizeof (ascii_tags[0]))
static const char ink_names[] = "Red\0Green\0Blue";
const int ink_names_size = 15;
int
main()
{
TIFF *tif;
size_t i;
unsigned char buf[] = { 0, 127, 255 };
char *value;
/* 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, 1)) {
fprintf (stderr, "Can't set ImageWidth tag.\n");
goto failure;
}
if (!TIFFSetField(tif, TIFFTAG_IMAGELENGTH, 1)) {
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, sizeof(buf))) {
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, ascii_tags[i].tag,
ascii_tags[i].value)) {
fprintf(stderr, "Can't set tag %lu.\n",
(unsigned long)ascii_tags[i].tag);
goto failure;
}
}
/* InkNames tag has special form, so we handle it separately. */
if (!TIFFSetField(tif, TIFFTAG_NUMBEROFINKS, 3)) {
fprintf (stderr, "Can't set tag %d (NUMBEROFINKS).\n",
TIFFTAG_NUMBEROFINKS);
goto failure;
}
if (!TIFFSetField(tif, TIFFTAG_INKNAMES, ink_names_size, ink_names)) {
fprintf (stderr, "Can't set tag %d (INKNAMES).\n",
TIFFTAG_INKNAMES);
goto failure;
}
/* Write dummy pixel data. */
if (!TIFFWriteScanline(tif, buf, 0, 0) < 0) {
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;
}
for (i = 0; i < NTAGS; i++) {
if (!TIFFGetField(tif, ascii_tags[i].tag, &value)
|| strcmp(value, ascii_tags[i].value)) {
fprintf(stderr, "Can't get tag %lu.\n",
(unsigned long)ascii_tags[i].tag);
goto failure;
}
}
if (!TIFFGetField(tif, TIFFTAG_INKNAMES, &value)
|| memcmp(value, ink_names, ink_names_size)) {
fprintf (stderr, "Can't get tag %d (INKNAMES).\n",
TIFFTAG_INKNAMES);
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.
* Do not remove the file for further manual investigation.
*/
TIFFClose(tif);
return 1;
}
/* vim: set ts=8 sts=8 sw=8 noet: */