libs/gil/io/test/tiff_subimage_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_subimage_test_module
   9
  10 #include <boost/gil/extension/io/tiff.hpp>
  11
  12 #include <boost/test/unit_test.hpp>
  13
  14 #include <fstream>
  15 #include <sstream>
  16
  17 #include "mandel_view.hpp"
  18 #include "paths.hpp"
  19 #include "subimage_test.hpp"
  20
  21 using namespace std;
  22 using namespace boost;
  23 using namespace gil;
  24
  25 using tag_t = tiff_tag;
  26
  27 #include <boost/preprocessor/cat.hpp>
  28 #include <boost/preprocessor/stringize.hpp>
  29 #include <boost/preprocessor/tuple/elem.hpp>
  30 #include <boost/preprocessor/comparison/less.hpp>
  31 #include <boost/preprocessor/repetition/repeat_from_to.hpp>
  32 #define GENERATE_SUBIMAGE_TEST(z, n, data)\
  33     BOOST_AUTO_TEST_CASE( BOOST_PP_CAT(BOOST_PP_CAT(BOOST_PP_CAT(subimage_test,data),n), bit_bit_aligned) )\
  34     { \
  35       using namespace std; \
  36       using namespace boost; \
  37       using namespace gil; \
  38       string filename_strip( tiff_in_GM + "tiger-" + BOOST_PP_STRINGIZE(data) + "-strip-" ); \
  39       string filename_tile ( tiff_in_GM + "tiger-" + BOOST_PP_STRINGIZE(data) + "-tile-"  ); \
  40       string padding(""); \
  41       if(BOOST_PP_LESS(n, 10)==1) \
  42         padding = "0"; \
  43       filename_strip = filename_strip + padding + BOOST_PP_STRINGIZE(n) + ".tif"; \
  44       filename_tile  = filename_tile  + padding + BOOST_PP_STRINGIZE(n) + ".tif"; \
  45       bit_aligned_image1_type< n, gray_layout_t >::type img1, img2, img3; \
  46       point_t top_left( 10, 10 ); \
  47       point_t dim( 32, 32 ); \
  48       image_read_settings< tag_t > settings( top_left, dim ); \
  49       read_image( filename_strip, img1, settings ); \
  50       read_image( filename_tile, img2 , settings ); \
  51       read_image( filename_strip, img3, tag_t() ); \
  52       BOOST_CHECK( equal_pixels( const_view( img1 ), const_view( img2 ))); \
  53       BOOST_CHECK( equal_pixels( const_view( img1 ), subimage_view( view( img3 ), top_left, dim ))); \
  54     } \
  55
  56 BOOST_AUTO_TEST_SUITE( gil_io_tiff_tests )
  57
  58 #ifdef BOOST_GIL_IO_USE_TIFF_GRAPHICSMAGICK_TEST_SUITE_IMAGES
  59
  60 BOOST_PP_REPEAT_FROM_TO(  1,  8, GENERATE_SUBIMAGE_TEST, minisblack )
  61 BOOST_PP_REPEAT_FROM_TO(  9, 16, GENERATE_SUBIMAGE_TEST, minisblack )
  62 BOOST_PP_REPEAT_FROM_TO( 17, 27, GENERATE_SUBIMAGE_TEST, minisblack )
  63 // @todo: there is a bug somewhere when the number of bits is 27 up to 31.
  64
  65
  66 BOOST_AUTO_TEST_CASE( subimage_test_8 )
  67 {
  68     gray8_image_t img1, img2, img3;
  69
  70     point_t top_left( 10, 10 );
  71     point_t dim( 32, 32 );
  72
  73     image_read_settings< tag_t > settings( top_left, dim );
  74
  75     read_image( tiff_in_GM + "tiger-minisblack-strip-08.tif", img1, settings );
  76     read_image( tiff_in_GM + "tiger-minisblack-tile-08.tif" , img2, settings );
  77     read_image( tiff_in_GM + "tiger-minisblack-strip-08.tif", img3, tag_t()  );
  78
  79     BOOST_CHECK( equal_pixels( const_view( img1 ), const_view( img2 )));
  80     BOOST_CHECK( equal_pixels( const_view( img1 ), subimage_view( view( img3 ), top_left, dim )));
  81 }
  82
  83 BOOST_AUTO_TEST_CASE( subimage_test_16 )
  84 {
  85     gray16_image_t img1, img2, img3;
  86
  87     point_t top_left( 10, 10 );
  88     point_t dim( 32, 32 );
  89
  90     image_read_settings< tag_t > settings( top_left, dim );
  91
  92     read_image( tiff_in_GM + "tiger-minisblack-strip-16.tif", img1, settings );
  93     read_image( tiff_in_GM + "tiger-minisblack-tile-16.tif" , img2, settings );
  94     read_image( tiff_in_GM + "tiger-minisblack-strip-16.tif", img3, tag_t()  );
  95
  96     BOOST_CHECK( equal_pixels( const_view( img1 ), const_view( img2 )));
  97     BOOST_CHECK( equal_pixels( const_view( img1 ), subimage_view( view( img3 ), top_left, dim )));
  98 }
  99
 100 BOOST_AUTO_TEST_CASE( subimage_test_32 )
 101 {
 102     using gray32_pixel_t = pixel<unsigned int, gray_layout_t>;
 103     image< gray32_pixel_t, false > img1, img2, img3;
 104
 105     point_t top_left( 10, 10 );
 106     point_t dim( 32, 32 );
 107
 108     image_read_settings< tag_t > settings( top_left, dim );
 109
 110     read_image( tiff_in_GM + "tiger-minisblack-strip-32.tif", img1, settings );
 111     read_image( tiff_in_GM + "tiger-minisblack-tile-32.tif" , img2, settings );
 112     read_image( tiff_in_GM + "tiger-minisblack-strip-32.tif", img3, tag_t()  );
 113
 114     BOOST_CHECK( equal_pixels( const_view( img1 ), const_view( img2 )));
 115     BOOST_CHECK( equal_pixels( const_view( img1 ), subimage_view( view( img3 ), top_left, dim )));
 116 }
 117
 118 #endif // BOOST_GIL_IO_USE_TIFF_GRAPHICSMAGICK_TEST_SUITE_IMAGES
 119
 120 BOOST_AUTO_TEST_SUITE_END()