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 const char      *filename = "ascii_test.tiff";
  44
  45 static struct Tags {
  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_PIXAR_TEXTUREFORMAT, "No texture" },
  60         { TIFFTAG_PIXAR_WRAPMODES, "No wrap" },
  61         { TIFFTAG_COPYRIGHT, "Copyright (c) 2004, Andrey Kiselev" }
  62 };
  63 #define NTAGS   (sizeof (ascii_tags) / sizeof (ascii_tags[0]))
  64
  65 const char *ink_names = "Red\0Green\0Blue";
  66 const int ink_names_size = 15;
  67
  68 int
  69 main(int argc, char **argv)
  70 {
  71         TIFF            *tif;
  72         int             i;
  73         unsigned char   buf[3] = { 0, 127, 255 };
  74         char            *value;
  75
  76         /* Test whether we can write tags. */
  77         tif = TIFFOpen(filename, "w");
  78         if (!tif) {
  79                 fprintf (stderr, "Can't create test TIFF file %s.\n", filename);
  80                 return 1;
  81         }
  82
  83         if (!TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, 1)) {
  84                 fprintf (stderr, "Can't set ImageWidth tag.\n");
  85                 goto failure;
  86         }
  87         if (!TIFFSetField(tif, TIFFTAG_IMAGELENGTH, 1)) {
  88                 fprintf (stderr, "Can't set ImageLength tag.\n");
  89                 goto failure;
  90         }
  91         if (!TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, 8)) {
  92                 fprintf (stderr, "Can't set BitsPerSample tag.\n");
  93                 goto failure;
  94         }
  95         if (!TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 3)) {
  96                 fprintf (stderr, "Can't set SamplesPerPixel tag.\n");
  97                 goto failure;
  98         }
  99         if (!TIFFSetField(tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG)) {
 100                 fprintf (stderr, "Can't set PlanarConfiguration tag.\n");
 101                 goto failure;
 102         }
 103         if (!TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB)) {
 104                 fprintf (stderr, "Can't set PhotometricInterpretation tag.\n");
 105                 goto failure;
 106         }
 107
 108         for (i = 0; i < NTAGS; i++) {
 109                 if (!TIFFSetField(tif, ascii_tags[i].tag,
 110                                   ascii_tags[i].value)) {
 111                         fprintf(stderr, "Can't set tag %d.\n",
 112                                 (int)ascii_tags[i].tag);
 113                         goto failure;
 114                 }
 115         }
 116
 117         /* InkNames tag has special form, so we handle it separately. */
 118         if (!TIFFSetField(tif, TIFFTAG_NUMBEROFINKS, 3)) {
 119                 fprintf (stderr, "Can't set tag %d.\n", TIFFTAG_NUMBEROFINKS);
 120                 goto failure;
 121         }
 122         if (!TIFFSetField(tif, TIFFTAG_INKNAMES, ink_names_size, ink_names)) {
 123                 fprintf (stderr, "Can't set tag %d.\n", TIFFTAG_INKNAMES);
 124                 goto failure;
 125         }
 126
 127         /* Write dummy pixel data. */
 128         if (!TIFFWriteScanline(tif, buf, 0, 0) < 0) {
 129                 fprintf (stderr, "Can't write image data.\n");
 130                 goto failure;
 131         }
 132
 133         TIFFClose(tif);
 134
 135         /* Ok, now test whether we can read written values. */
 136         tif = TIFFOpen(filename, "r");
 137         if (!tif) {
 138                 fprintf (stderr, "Can't open test TIFF file %s.\n", filename);
 139                 return 1;
 140         }
 141
 142         for (i = 0; i < NTAGS; i++) {
 143                 if (!TIFFGetField(tif, ascii_tags[i].tag, &value)
 144                     || strcmp(value, ascii_tags[i].value)) {
 145                         fprintf(stderr, "Can't get tag %d.\n",
 146                                 (int)ascii_tags[i].tag);
 147                         goto failure;
 148                 }
 149         }
 150
 151         if (!TIFFGetField(tif, TIFFTAG_INKNAMES, &value)
 152             || memcmp(value, ink_names, ink_names_size)) {
 153                 fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_INKNAMES);
 154                 goto failure;
 155         }
 156
 157         TIFFClose(tif);
 158
 159         /* All tests passed; delete file and exit with success status. */
 160         unlink(filename);
 161         return 0;
 162
 163 failure:
 164         /* Something goes wrong; close file and return unsuccessful status. */
 165         TIFFClose(tif);
 166         unlink(filename);
 167         return 1;
 168 }
 169
 170 /* vim: set ts=8 sts=8 sw=8 noet: */