src/tiff/test/strip.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  * Functions to test strip interface of libtiff.
  30  */
  31
  32 #include <stdio.h>
  33 #include <string.h>
  34
  35 #include "tiffio.h"
  36
  37 int
  38 write_strips(TIFF *tif, const tdata_t array, const tsize_t size)
  39 {
  40         tstrip_t        strip, nstrips;
  41         tsize_t         stripsize, offset;
  42
  43         stripsize = TIFFStripSize(tif);
  44         if (!stripsize) {
  45                 fprintf (stderr, "Wrong size of strip.\n");
  46                 return -1;
  47         }
  48
  49         nstrips = TIFFNumberOfStrips(tif);
  50         for (offset = 0, strip = 0;
  51              offset < size && strip < nstrips;
  52              offset+=stripsize, strip++) {
  53                 /*
  54                  * Properly write last strip.
  55                  */
  56                 tsize_t bufsize = size - offset;
  57                 if (bufsize > stripsize)
  58                         bufsize = stripsize;
  59
  60                 if (TIFFWriteEncodedStrip(tif, strip, (char *)array + offset,
  61                                           bufsize) != bufsize) {
  62                         fprintf (stderr, "Can't write strip %lu.\n",
  63                                  (unsigned long)strip);
  64                         return -1;
  65                 }
  66         }
  67
  68         return 0;
  69 }
  70
  71 int
  72 read_strips(TIFF *tif, const tdata_t array, const tsize_t size)
  73 {
  74         tstrip_t        strip, nstrips;
  75         tsize_t         stripsize, offset;
  76         tdata_t         buf = NULL;
  77
  78         stripsize = TIFFStripSize(tif);
  79         if (!stripsize) {
  80                 fprintf (stderr, "Wrong size of strip.\n");
  81                 return -1;
  82         }
  83
  84         buf = _TIFFmalloc(stripsize);
  85         if (!buf) {
  86                 fprintf (stderr, "Can't allocate space for strip buffer.\n");
  87                 return -1;
  88         }
  89
  90         nstrips = TIFFNumberOfStrips(tif);
  91         for (offset = 0, strip = 0;
  92              offset < size && strip < nstrips;
  93              offset+=stripsize, strip++) {
  94                 /*
  95                  * Properly read last strip.
  96                  */
  97                 tsize_t bufsize = size - offset;
  98                 if (bufsize > stripsize)
  99                         bufsize = stripsize;
 100
 101                 if (TIFFReadEncodedStrip(tif, strip, buf, -1) != bufsize) {
 102                         fprintf (stderr, "Can't read strip %lu.\n",
 103                                  (unsigned long)strip);
 104                         return -1;
 105                 }
 106                 if (memcmp(buf, (char *)array + offset, bufsize) != 0) {
 107                         fprintf (stderr, "Wrong data read for strip %lu.\n",
 108                                  (unsigned long)strip);
 109                         _TIFFfree(buf);
 110                         return -1;
 111                 }
 112         }
 113
 114         _TIFFfree(buf);
 115
 116         return 0;
 117 }
 118
 119 int
 120 create_image_striped(const char *name, uint32 width, uint32 length,
 121                       uint32 rowsperstrip, uint16 compression,
 122                       uint16 spp, uint16 bps, uint16 photometric,
 123                       uint16 sampleformat, uint16 planarconfig,
 124                       const tdata_t array, const tsize_t size)
 125 {
 126         TIFF            *tif;
 127
 128         /* Test whether we can write tags. */
 129         tif = TIFFOpen(name, "w");
 130         if (!tif)
 131                 goto openfailure;
 132
 133         if (!TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, width)) {
 134                 fprintf (stderr, "Can't set ImageWidth tag.\n");
 135                 goto failure;
 136         }
 137         if (!TIFFSetField(tif, TIFFTAG_IMAGELENGTH, length)) {
 138                 fprintf (stderr, "Can't set ImageLength tag.\n");
 139                 goto failure;
 140         }
 141         if (!TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, bps)) {
 142                 fprintf (stderr, "Can't set BitsPerSample tag.\n");
 143                 goto failure;
 144         }
 145         if (!TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, spp)) {
 146                 fprintf (stderr, "Can't set SamplesPerPixel tag.\n");
 147                 goto failure;
 148         }
 149         if (!TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, rowsperstrip)) {
 150                 fprintf (stderr, "Can't set RowsPerStrip tag.\n");
 151                 goto failure;
 152         }
 153         if (!TIFFSetField(tif, TIFFTAG_PLANARCONFIG, planarconfig)) {
 154                 fprintf (stderr, "Can't set PlanarConfiguration tag.\n");
 155                 goto failure;
 156         }
 157         if (!TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, photometric)) {
 158                 fprintf (stderr, "Can't set PhotometricInterpretation tag.\n");
 159                 goto failure;
 160         }
 161
 162         if (write_strips(tif, array, size) < 0) {
 163                 fprintf (stderr, "Can't write image data.\n");
 164                 goto failure;
 165         }
 166
 167         TIFFClose(tif);
 168         return 0;
 169
 170 failure:
 171         TIFFClose(tif);
 172 openfailure:
 173         fprintf (stderr, "Can't create test TIFF file %s:\n"
 174 "    ImageWidth=%ld, ImageLength=%ld, RowsPerStrip=%ld, Compression=%d,\n"
 175 "    BitsPerSample=%d, SamplesPerPixel=%d, SampleFormat=%d,\n"
 176 "    PlanarConfiguration=%d, PhotometricInterpretation=%d.\n",
 177                  name, (long) width, (long) length, (long) rowsperstrip,
 178                  compression, bps, spp, sampleformat, planarconfig,
 179                  photometric);
 180         return -1;
 181 }
 182
 183 int
 184 read_image_striped(const char *name, uint32 width, uint32 length,
 185                     uint32 rowsperstrip, uint16 compression,
 186                     uint16 spp, uint16 bps, uint16 photometric,
 187                     uint16 sampleformat, uint16 planarconfig,
 188                     const tdata_t array, const tsize_t size)
 189 {
 190         TIFF            *tif;
 191         uint16          value_u16;
 192         uint32          value_u32;
 193
 194         /* Test whether we can read written values. */
 195         tif = TIFFOpen(name, "r");
 196         if (!tif)
 197                 goto openfailure;
 198
 199         if (TIFFIsTiled(tif)) {
 200                 fprintf (stderr, "Can't read image %s, it is tiled.\n",
 201                          name);
 202                 goto failure;
 203         }
 204         if (!TIFFGetField(tif, TIFFTAG_IMAGEWIDTH, &value_u32)
 205             || value_u32 != width) {
 206                 fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_IMAGEWIDTH);
 207                 goto failure;
 208         }
 209         if (!TIFFGetField(tif, TIFFTAG_IMAGELENGTH, &value_u32)
 210             || value_u32 != length) {
 211                 fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_IMAGELENGTH);
 212                 goto failure;
 213         }
 214         if (!TIFFGetField(tif, TIFFTAG_BITSPERSAMPLE, &value_u16)
 215             || value_u16 != bps) {
 216                 fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_BITSPERSAMPLE);
 217                 goto failure;
 218         }
 219         if (!TIFFGetField(tif, TIFFTAG_PHOTOMETRIC, &value_u16)
 220             || value_u16 != photometric) {
 221                 fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_PHOTOMETRIC);
 222                 goto failure;
 223         }
 224         if (!TIFFGetField(tif, TIFFTAG_SAMPLESPERPIXEL, &value_u16)
 225             || value_u16 != spp) {
 226                 fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_SAMPLESPERPIXEL);
 227                 goto failure;
 228         }
 229         if (!TIFFGetField(tif, TIFFTAG_ROWSPERSTRIP, &value_u32)
 230             || value_u32 != rowsperstrip) {
 231                 fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_ROWSPERSTRIP);
 232                 goto failure;
 233         }
 234         if (!TIFFGetField(tif, TIFFTAG_PLANARCONFIG, &value_u16)
 235             || value_u16 != planarconfig) {
 236                 fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_PLANARCONFIG);
 237                 goto failure;
 238         }
 239
 240         if (read_strips(tif, array, size) < 0) {
 241                 fprintf (stderr, "Can't read image data.\n");
 242                 goto failure;
 243         }
 244
 245         TIFFClose(tif);
 246         return 0;
 247
 248 failure:
 249         TIFFClose(tif);
 250 openfailure:
 251         fprintf (stderr, "Can't read test TIFF file %s:\n"
 252 "    ImageWidth=%ld, ImageLength=%ld, RowsPerStrip=%ld, Compression=%d,\n"
 253 "    BitsPerSample=%d, SamplesPerPixel=%d, SampleFormat=%d,\n"
 254 "    PlanarConfiguration=%d, PhotometricInterpretation=%d.\n",
 255                  name, (long) width, (long) length, (long) rowsperstrip,
 256                  compression, bps, spp, sampleformat, planarconfig,
 257                  photometric);
 258         return -1;
 259 }
 260
 261 int
 262 write_scanlines(TIFF *tif, const tdata_t array, const tsize_t size)
 263 {
 264         uint32          length, row;
 265         tsize_t         scanlinesize, offset;
 266         (void) size;
 267
 268         if (!TIFFGetField(tif, TIFFTAG_IMAGELENGTH, &length)) {
 269                 fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_IMAGELENGTH);
 270                 return -1;
 271         }
 272
 273         scanlinesize = TIFFScanlineSize(tif);
 274         if (!scanlinesize) {
 275                 fprintf (stderr, "Wrong size of scanline.\n");
 276                 return -1;
 277         }
 278
 279         for (offset = 0, row = 0; row < length; offset+=scanlinesize, row++) {
 280                 if (TIFFWriteScanline(tif, (char *)array + offset, row, 0) < 0) {
 281                         fprintf (stderr,
 282                                  "Can't write image data at row %lu.\n", (long) row);
 283                         return -1;
 284                 }
 285         }
 286
 287         return 0;
 288 }
 289
 290 /* vim: set ts=8 sts=8 sw=8 noet: */