libs/gil/test/extension/io/tiff_test.cpp

   1 //
   2 // Copyright 2013 Christian Henning
   3 //
   4 // Distributed under the Boost Software License, Version 1.0
   5 // See accompanying file LICENSE_1_0.txt or copy at
   6 // http://www.boost.org/LICENSE_1_0.txt
   7 //
   8 #define BOOST_TEST_MODULE tiff_test
   9 #define BOOST_FILESYSTEM_VERSION 3
  10 #define BOOST_GIL_IO_ADD_FS_PATH_SUPPORT
  11
  12 #include <boost/gil/extension/io/tiff.hpp>
  13
  14 #include <boost/mp11.hpp>
  15 #include <boost/test/unit_test.hpp>
  16
  17 #include <fstream>
  18 #include <sstream>
  19
  20 #include "mandel_view.hpp"
  21 #include "paths.hpp"
  22 #include "subimage_test.hpp"
  23
  24 // This test file will only test the library's interface.
  25 // It's more of a compile time test than a runtime test.
  26
  27 using namespace std;
  28 using namespace boost;
  29 using namespace gil;
  30 namespace fs = boost::filesystem;
  31
  32 using tag_t = tiff_tag;
  33
  34 BOOST_AUTO_TEST_SUITE( gil_io_tiff_tests )
  35
  36 #ifdef BOOST_GIL_IO_TEST_ALLOW_READING_IMAGES
  37
  38 BOOST_AUTO_TEST_CASE( read_image_info_test )
  39 {
  40     {
  41         using backend_t = get_reader_backend<std::string const, tag_t>::type;
  42
  43         backend_t backend = read_image_info( tiff_filename
  44                                            , tag_t()
  45                                            );
  46
  47         BOOST_CHECK_EQUAL( backend._info._width , 1000u );
  48         BOOST_CHECK_EQUAL( backend._info._height,  600u );
  49     }
  50
  51     {
  52         ifstream in( tiff_filename.c_str(), ios::binary );
  53
  54         using backend_t = get_reader_backend<ifstream, tag_t>::type;
  55
  56         backend_t backend = read_image_info( in
  57                                            , tag_t()
  58                                            );
  59
  60         BOOST_CHECK_EQUAL( backend._info._width , 1000u );
  61         BOOST_CHECK_EQUAL( backend._info._height,  600u );
  62     }
  63
  64     {
  65         TIFF* file = TIFFOpen( tiff_filename.c_str(), "r" );
  66
  67         using backend_t = get_reader_backend<FILE*, tag_t>::type;
  68
  69         backend_t backend = read_image_info( file
  70                                            , tag_t()
  71                                            );
  72
  73         BOOST_CHECK_EQUAL( backend._info._width , 1000u );
  74         BOOST_CHECK_EQUAL( backend._info._height,  600u );
  75     }
  76
  77     {
  78         fs::path my_path( tiff_filename );
  79
  80         using backend_t = get_reader_backend<fs::path, tag_t>::type;
  81
  82         backend_t backend = read_image_info( my_path
  83                                            , tag_t()
  84                                            );
  85
  86
  87         BOOST_CHECK_EQUAL( backend._info._width , 1000u );
  88         BOOST_CHECK_EQUAL( backend._info._height,  600u );
  89     }
  90 }
  91
  92 BOOST_AUTO_TEST_CASE( read_image_test )
  93 {
  94     {
  95         rgba8_image_t img;
  96         read_image( tiff_filename, img, tag_t() );
  97
  98         BOOST_CHECK_EQUAL( img.width() , 1000u );
  99         BOOST_CHECK_EQUAL( img.height(),  600u );
 100     }
 101
 102     {
 103
 104         ifstream in( tiff_filename.c_str(), ios::binary );
 105
 106         rgba8_image_t img;
 107         read_image( in, img, tag_t() );
 108
 109         BOOST_CHECK_EQUAL( img.width() , 1000u );
 110         BOOST_CHECK_EQUAL( img.height(),  600u );
 111     }
 112
 113     {
 114         TIFF* file = TIFFOpen( tiff_filename.c_str(), "r" );
 115
 116         rgba8_image_t img;
 117         read_image( file, img, tag_t() );
 118
 119         BOOST_CHECK_EQUAL( img.width() , 1000u );
 120         BOOST_CHECK_EQUAL( img.height(),  600u );
 121     }
 122 }
 123
 124 BOOST_AUTO_TEST_CASE( read_and_convert_image_test )
 125 {
 126     {
 127         rgb8_image_t img;
 128         read_and_convert_image( tiff_filename, img, tag_t() );
 129
 130         BOOST_CHECK_EQUAL( img.width() , 1000u );
 131         BOOST_CHECK_EQUAL( img.height(),  600u );
 132     }
 133
 134     {
 135         ifstream in( tiff_filename.c_str(), ios::binary );
 136
 137         rgb8_image_t img;
 138         read_and_convert_image( in, img, tag_t() );
 139
 140         BOOST_CHECK_EQUAL( img.width() , 1000u );
 141         BOOST_CHECK_EQUAL( img.height(),  600u );
 142     }
 143
 144     {
 145         TIFF* file = TIFFOpen( tiff_filename.c_str(), "r" );
 146
 147         rgb8_image_t img;
 148         read_and_convert_image( file, img, tag_t() );
 149
 150         BOOST_CHECK_EQUAL( img.width() , 1000u );
 151         BOOST_CHECK_EQUAL( img.height(),  600u );
 152     }
 153 }
 154
 155 BOOST_AUTO_TEST_CASE( read_and_convert_image_test_2 )
 156 {
 157     gray8_image_t img;
 158     read_and_convert_image( tiff_filename, img, tag_t() );
 159
 160     rgba8_image_t img2;
 161     read_image( tiff_filename, img2, tag_t() );
 162
 163
 164     BOOST_CHECK( equal_pixels( const_view( img )
 165                              , color_converted_view< gray8_pixel_t>( const_view( img2 ) )
 166                              )
 167                );
 168 }
 169
 170 BOOST_AUTO_TEST_CASE( read_view_test )
 171 {
 172     {
 173         rgba8_image_t img( 1000, 600 );
 174         read_view( tiff_filename, view( img ), tag_t() );
 175     }
 176
 177     {
 178         ifstream in( tiff_filename.c_str(), ios::binary );
 179
 180         rgba8_image_t img( 1000, 600 );
 181         read_view( in, view( img ), tag_t() );
 182
 183         BOOST_CHECK_EQUAL( img.width() , 1000u );
 184         BOOST_CHECK_EQUAL( img.height(),  600u );
 185     }
 186
 187     {
 188         TIFF* file = TIFFOpen( tiff_filename.c_str(), "r" );
 189
 190         rgba8_image_t img( 1000, 600 );
 191         read_view( file, view( img ), tag_t() );
 192     }
 193 }
 194
 195 BOOST_AUTO_TEST_CASE( read_and_convert_view_test )
 196 {
 197     {
 198         rgb8_image_t img( 1000, 600 );
 199         read_and_convert_view( tiff_filename, view( img ), tag_t() );
 200     }
 201
 202     {
 203         ifstream in( tiff_filename.c_str(), ios::binary );
 204
 205         rgb8_image_t img( 1000, 600 );
 206         read_and_convert_view( in, view( img ), tag_t() );
 207
 208         BOOST_CHECK_EQUAL( img.width() , 1000u );
 209         BOOST_CHECK_EQUAL( img.height(),  600u );
 210     }
 211
 212     {
 213         TIFF* file = TIFFOpen( tiff_filename.c_str(), "r" );
 214
 215         rgb8_image_t img( 1000, 600 );
 216         read_and_convert_view( file, view( img ), tag_t() );
 217     }
 218 }
 219
 220 #endif // BOOST_GIL_IO_TEST_ALLOW_READING_IMAGES
 221
 222 #ifdef BOOST_GIL_IO_TEST_ALLOW_WRITING_IMAGES
 223 BOOST_AUTO_TEST_CASE( write_view_test )
 224 {
 225     {
 226         string filename( tiff_out + "write_test_string.tif" );
 227
 228         write_view( filename
 229                   , create_mandel_view( 320, 240
 230                                       , rgb8_pixel_t( 0,   0, 255 )
 231                                       , rgb8_pixel_t( 0, 255,   0 )
 232                                       )
 233                   , tag_t()
 234                   );
 235     }
 236
 237     {
 238         string filename( tiff_out + "write_test_ofstream.tif" );
 239         ofstream out( filename.c_str(), ios_base::binary );
 240
 241         write_view( out
 242                   , create_mandel_view( 320, 240
 243                                       , rgb8_pixel_t( 0,   0, 255 )
 244                                       , rgb8_pixel_t( 0, 255,   0 )
 245                                       )
 246                   , tag_t()
 247                   );
 248     }
 249
 250     {
 251         string filename( tiff_out + "write_test_tiff.tif" );
 252         TIFF* file = TIFFOpen( filename.c_str(), "w" );
 253
 254         write_view( file
 255                   , create_mandel_view( 320, 240
 256                                       , rgb8_pixel_t( 0,   0, 255 )
 257                                       , rgb8_pixel_t( 0, 255,   0 )
 258                                       )
 259                   , tag_t()
 260                   );
 261     }
 262
 263     {
 264         string filename( tiff_out + "write_test_info.tif" );
 265
 266         image_write_info< tiff_tag > info;
 267         write_view( filename
 268                   , create_mandel_view( 320, 240
 269                                       , rgb8_pixel_t( 0,   0, 255 )
 270                                       , rgb8_pixel_t( 0, 255,   0 )
 271                                       )
 272                   , info
 273                   );
 274     }
 275 }
 276 #endif // BOOST_GIL_IO_TEST_ALLOW_WRITING_IMAGES
 277
 278 #ifdef BOOST_GIL_IO_TEST_ALLOW_READING_IMAGES
 279
 280 BOOST_AUTO_TEST_CASE( stream_test )
 281 {
 282     // 1. Read an image.
 283     ifstream in( tiff_filename.c_str(), ios::binary );
 284
 285     rgba8_image_t img;
 286     read_image( in, img, tag_t() );
 287
 288     // 2. Write image to in-memory buffer.
 289     stringstream out_buffer( ios_base::in | ios_base::out | ios_base::binary );
 290     write_view( out_buffer, view( img ), tag_t() );
 291
 292     // 3. Copy in-memory buffer to another.
 293     stringstream in_buffer( ios_base::in | ios_base::out | ios_base::binary );
 294     in_buffer << out_buffer.rdbuf();
 295
 296     // 4. Read in-memory buffer to gil image
 297     rgba8_image_t dst;
 298     read_image( in_buffer, dst, tag_t() );
 299
 300     // 5. Write out image.
 301     string filename( tiff_out + "stream_test.tif" );
 302     ofstream out( filename.c_str(), ios_base::binary );
 303 #ifdef BOOST_GIL_IO_TEST_ALLOW_WRITING_IMAGES
 304     write_view( out, view( dst ), tag_t() );
 305 #endif // BOOST_GIL_IO_TEST_ALLOW_WRITING_IMAGES
 306 }
 307
 308 BOOST_AUTO_TEST_CASE( stream_test_2 )
 309 {
 310     filebuf in_buf;
 311     if( !in_buf.open( tiff_filename.c_str(), ios::in | ios::binary ) )
 312     {
 313         BOOST_CHECK( false );
 314     }
 315
 316     istream in( &in_buf );
 317
 318     rgba8_image_t img;
 319     read_image( in, img, tag_t() );
 320 }
 321
 322 BOOST_AUTO_TEST_CASE( subimage_test )
 323 {
 324     run_subimage_test< rgba8_image_t, tag_t >( tiff_filename
 325                                              , point_t(  0,  0 )
 326                                              , point_t( 50, 50 )
 327                                              );
 328
 329     run_subimage_test< rgba8_image_t, tag_t >( tiff_filename
 330                                              , point_t(  50,  50 )
 331                                              , point_t(  50,  50 )
 332                                              );
 333 }
 334
 335 BOOST_AUTO_TEST_CASE( dynamic_image_test )
 336 {
 337     // FIXME: This test has been disabled for now because of compilation issues with MSVC10.
 338
 339     using my_img_types = mp11::mp_list
 340         <
 341             gray8_image_t,
 342             gray16_image_t,
 343             rgb8_image_t,
 344             gray1_image_t
 345         >;
 346
 347     any_image< my_img_types > runtime_image;
 348
 349     read_image( tiff_filename.c_str()
 350               , runtime_image
 351               , tag_t()
 352               );
 353
 354 #ifdef BOOST_GIL_IO_TEST_ALLOW_WRITING_IMAGES
 355     write_view( tiff_out + "dynamic_image_test.tif"
 356               , view( runtime_image )
 357               , tag_t()
 358               );
 359 #endif // BOOST_GIL_IO_TEST_ALLOW_WRITING_IMAGES
 360 }
 361
 362 #endif // BOOST_GIL_IO_TEST_ALLOW_READING_IMAGES
 363
 364 BOOST_AUTO_TEST_SUITE_END()