src/tiff/test/long_tag.c

   1 /* $Id$ */
   2
   3 /*
   4  * Copyright (c) 2004, Andrey Kiselev  <dron@ak4719.spb.edu>
   5  *
   6  * Permission to use, copy, modify, distribute, and sell this software and
   7  * its documentation for any purpose is hereby granted without fee, provided
   8  * that (i) the above copyright notices and this permission notice appear in
   9  * all copies of the software and related documentation, and (ii) the names of
  10  * Sam Leffler and Silicon Graphics may not be used in any advertising or
  11  * publicity relating to the software without the specific, prior written
  12  * permission of Sam Leffler and Silicon Graphics.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
  15  * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
  16  * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
  17  *
  18  * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
  19  * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
  20  * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
  21  * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
  22  * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
  23  * OF THIS SOFTWARE.
  24  */
  25
  26 /*
  27  * TIFF Library
  28  *
  29  * Module to test LONG tags read/write functions.
  30  */
  31
  32 #include "tif_config.h"
  33
  34 #include <stdio.h>
  35
  36 #ifdef HAVE_UNISTD_H
  37 # include <unistd.h>
  38 #endif
  39
  40 #include "tiffio.h"
  41
  42 extern int CheckLongField(TIFF *, ttag_t, uint32);
  43
  44 const char      *filename = "long_test.tiff";
  45
  46 static struct Tags {
  47         ttag_t          tag;
  48         short           count;
  49         uint32          value;
  50 } long_tags[] = {
  51         { TIFFTAG_SUBFILETYPE, 1, FILETYPE_REDUCEDIMAGE|FILETYPE_PAGE|FILETYPE_MASK }
  52 };
  53 #define NTAGS   (sizeof (long_tags) / sizeof (long_tags[0]))
  54
  55 const uint32    width = 1;
  56 const uint32    length = 1;
  57 const uint32    rows_per_strip = 1;
  58
  59 int
  60 main(int argc, char **argv)
  61 {
  62         TIFF            *tif;
  63         unsigned int    i;
  64         unsigned char   buf[3] = { 0, 127, 255 };
  65         (void) argc;
  66         (void) argv;
  67
  68         /* Test whether we can write tags. */
  69         tif = TIFFOpen(filename, "w");
  70         if (!tif) {
  71                 fprintf (stderr, "Can't create test TIFF file %s.\n", filename);
  72                 return 1;
  73         }
  74
  75         if (!TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, width)) {
  76                 fprintf (stderr, "Can't set ImageWidth tag.\n");
  77                 goto failure;
  78         }
  79         if (!TIFFSetField(tif, TIFFTAG_IMAGELENGTH, length)) {
  80                 fprintf (stderr, "Can't set ImageLength tag.\n");
  81                 goto failure;
  82         }
  83         if (!TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, 8)) {
  84                 fprintf (stderr, "Can't set BitsPerSample tag.\n");
  85                 goto failure;
  86         }
  87         if (!TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 3)) {
  88                 fprintf (stderr, "Can't set SamplesPerPixel tag.\n");
  89                 goto failure;
  90         }
  91         if (!TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, rows_per_strip)) {
  92                 fprintf (stderr, "Can't set SamplesPerPixel tag.\n");
  93                 goto failure;
  94         }
  95         if (!TIFFSetField(tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG)) {
  96                 fprintf (stderr, "Can't set PlanarConfiguration tag.\n");
  97                 goto failure;
  98         }
  99         if (!TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB)) {
 100                 fprintf (stderr, "Can't set PhotometricInterpretation tag.\n");
 101                 goto failure;
 102         }
 103
 104         for (i = 0; i < NTAGS; i++) {
 105                 if (!TIFFSetField(tif, long_tags[i].tag,
 106                                   long_tags[i].value)) {
 107                         fprintf(stderr, "Can't set tag %d.\n",
 108                                 (int)long_tags[i].tag);
 109                         goto failure;
 110                 }
 111         }
 112
 113         /* Write dummy pixel data. */
 114         if (!TIFFWriteScanline(tif, buf, 0, 0) < 0) {
 115                 fprintf (stderr, "Can't write image data.\n");
 116                 goto failure;
 117         }
 118
 119         TIFFClose(tif);
 120
 121         /* Ok, now test whether we can read written values. */
 122         tif = TIFFOpen(filename, "r");
 123         if (!tif) {
 124                 fprintf (stderr, "Can't open test TIFF file %s.\n", filename);
 125                 return 1;
 126         }
 127
 128         if (CheckLongField(tif, TIFFTAG_IMAGEWIDTH, width) < 0)
 129                 goto failure;
 130
 131         if (CheckLongField(tif, TIFFTAG_IMAGELENGTH, length) < 0)
 132                 goto failure;
 133
 134         if (CheckLongField(tif, TIFFTAG_ROWSPERSTRIP, rows_per_strip) < 0)
 135                 goto failure;
 136
 137         for (i = 0; i < NTAGS; i++) {
 138                 if (CheckLongField(tif, long_tags[i].tag,
 139                                    long_tags[i].value) < 0)
 140                         goto failure;
 141         }
 142
 143         TIFFClose(tif);
 144
 145         /* All tests passed; delete file and exit with success status. */
 146         unlink(filename);
 147         return 0;
 148
 149 failure:
 150         /* Something goes wrong; close file and return unsuccessful status. */
 151         TIFFClose(tif);
 152         unlink(filename);
 153         return 1;
 154 }
 155
 156 /* vim: set ts=8 sts=8 sw=8 noet: */