src/tiff/test/ascii_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 ASCII tags read/write functions.
  30  */
  31
  32 #include "tif_config.h"
  33
  34 #include <stdio.h>
  35 #include <string.h>
  36
  37 #ifdef HAVE_UNISTD_H
  38 # include <unistd.h>
  39 #endif
  40
  41 #include "tiffio.h"
  42
  43 static const char filename[] = "ascii_test.tiff";
  44
  45 static const struct {
  46         ttag_t          tag;
  47         const char      *value;
  48 } ascii_tags[] = {
  49         { TIFFTAG_DOCUMENTNAME, "Test TIFF image" },
  50         { TIFFTAG_IMAGEDESCRIPTION, "Temporary test image" },
  51         { TIFFTAG_MAKE, "This is not scanned image" },
  52         { TIFFTAG_MODEL, "No scanner" },
  53         { TIFFTAG_PAGENAME, "Test page" },
  54         { TIFFTAG_SOFTWARE, "Libtiff library" },
  55         { TIFFTAG_DATETIME, "2004:09:10 16:09:00" },
  56         { TIFFTAG_ARTIST, "Andrey V. Kiselev" },
  57         { TIFFTAG_HOSTCOMPUTER, "Debian GNU/Linux (Sarge)" },
  58         { TIFFTAG_TARGETPRINTER, "No printer" },
  59         { TIFFTAG_COPYRIGHT, "Copyright (c) 2004, Andrey Kiselev" },
  60         { TIFFTAG_FAXSUBADDRESS, "Fax subaddress" },
  61         /* DGN tags */
  62         { TIFFTAG_UNIQUECAMERAMODEL, "No camera" },
  63         { TIFFTAG_CAMERASERIALNUMBER, "1234567890" }
  64 };
  65 #define NTAGS   (sizeof (ascii_tags) / sizeof (ascii_tags[0]))
  66
  67 static const char ink_names[] = "Red\0Green\0Blue";
  68 const int ink_names_size = 15;
  69
  70 int
  71 main()
  72 {
  73         TIFF            *tif;
  74         size_t          i;
  75         unsigned char   buf[] = { 0, 127, 255 };
  76         char            *value;
  77
  78         /* Test whether we can write tags. */
  79         tif = TIFFOpen(filename, "w");
  80         if (!tif) {
  81                 fprintf (stderr, "Can't create test TIFF file %s.\n", filename);
  82                 return 1;
  83         }
  84
  85         if (!TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, 1)) {
  86                 fprintf (stderr, "Can't set ImageWidth tag.\n");
  87                 goto failure;
  88         }
  89         if (!TIFFSetField(tif, TIFFTAG_IMAGELENGTH, 1)) {
  90                 fprintf (stderr, "Can't set ImageLength tag.\n");
  91                 goto failure;
  92         }
  93         if (!TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, 8)) {
  94                 fprintf (stderr, "Can't set BitsPerSample tag.\n");
  95                 goto failure;
  96         }
  97         if (!TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, sizeof(buf))) {
  98                 fprintf (stderr, "Can't set SamplesPerPixel tag.\n");
  99                 goto failure;
 100         }
 101         if (!TIFFSetField(tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG)) {
 102                 fprintf (stderr, "Can't set PlanarConfiguration tag.\n");
 103                 goto failure;
 104         }
 105         if (!TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB)) {
 106                 fprintf (stderr, "Can't set PhotometricInterpretation tag.\n");
 107                 goto failure;
 108         }
 109
 110         for (i = 0; i < NTAGS; i++) {
 111                 if (!TIFFSetField(tif, ascii_tags[i].tag,
 112                                   ascii_tags[i].value)) {
 113                         fprintf(stderr, "Can't set tag %lu.\n",
 114                                 (unsigned long)ascii_tags[i].tag);
 115                         goto failure;
 116                 }
 117         }
 118
 119         /* InkNames tag has special form, so we handle it separately. */
 120         if (!TIFFSetField(tif, TIFFTAG_NUMBEROFINKS, 3)) {
 121                 fprintf (stderr, "Can't set tag %d (NUMBEROFINKS).\n",
 122                          TIFFTAG_NUMBEROFINKS);
 123                 goto failure;
 124         }
 125         if (!TIFFSetField(tif, TIFFTAG_INKNAMES, ink_names_size, ink_names)) {
 126                 fprintf (stderr, "Can't set tag %d (INKNAMES).\n",
 127                          TIFFTAG_INKNAMES);
 128                 goto failure;
 129         }
 130
 131         /* Write dummy pixel data. */
 132         if (!TIFFWriteScanline(tif, buf, 0, 0) < 0) {
 133                 fprintf (stderr, "Can't write image data.\n");
 134                 goto failure;
 135         }
 136
 137         TIFFClose(tif);
 138
 139         /* Ok, now test whether we can read written values. */
 140         tif = TIFFOpen(filename, "r");
 141         if (!tif) {
 142                 fprintf (stderr, "Can't open test TIFF file %s.\n", filename);
 143                 return 1;
 144         }
 145
 146         for (i = 0; i < NTAGS; i++) {
 147                 if (!TIFFGetField(tif, ascii_tags[i].tag, &value)
 148                     || strcmp(value, ascii_tags[i].value)) {
 149                         fprintf(stderr, "Can't get tag %lu.\n",
 150                                 (unsigned long)ascii_tags[i].tag);
 151                         goto failure;
 152                 }
 153         }
 154
 155         if (!TIFFGetField(tif, TIFFTAG_INKNAMES, &value)
 156             || memcmp(value, ink_names, ink_names_size)) {
 157                 fprintf (stderr, "Can't get tag %d (INKNAMES).\n",
 158                          TIFFTAG_INKNAMES);
 159                 goto failure;
 160         }
 161
 162         TIFFClose(tif);
 163
 164         /* All tests passed; delete file and exit with success status. */
 165         unlink(filename);
 166         return 0;
 167
 168 failure:
 169         /*
 170          * Something goes wrong; close file and return unsuccessful status.
 171          * Do not remove the file for further manual investigation.
 172          */
 173         TIFFClose(tif);
 174         return 1;
 175 }
 176
 177 /* vim: set ts=8 sts=8 sw=8 noet: */