libs/gil/test/extension/io/jpeg_write_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 jpeg_write_test_module
   9 #include <boost/gil.hpp>
  10 #include <boost/gil/extension/io/jpeg.hpp>
  11
  12 #include <boost/test/unit_test.hpp>
  13
  14 #include "color_space_write_test.hpp"
  15 #include "mandel_view.hpp"
  16 #include "paths.hpp"
  17
  18 using namespace std;
  19 using namespace boost::gil;
  20
  21 using tag_t = jpeg_tag;
  22
  23 BOOST_AUTO_TEST_SUITE( gil_io_jpeg_tests )
  24
  25 #ifdef BOOST_GIL_IO_TEST_ALLOW_WRITING_IMAGES
  26 BOOST_AUTO_TEST_CASE( write_test )
  27 {
  28     // test writing all supported image types
  29
  30     {
  31         write_view( jpeg_out + "gray8_test.jpg"
  32                   , create_mandel_view( 200, 200
  33                                       , gray8_pixel_t( 0   )
  34                                       , gray8_pixel_t( 255 )
  35                                       )
  36                   , tag_t()
  37                   );
  38     }
  39
  40     {
  41         write_view( jpeg_out + "rgb8_test.jpg"
  42                   , create_mandel_view( 200, 200
  43                                       , rgb8_pixel_t( 0,   0, 255 )
  44                                       , rgb8_pixel_t( 0, 255,   0 )
  45                                       )
  46                   , tag_t()
  47                   );
  48     }
  49
  50     {
  51         write_view( jpeg_out + "cmyk8_test.jpg"
  52                   , create_mandel_view( 200, 200
  53                                       , cmyk8_pixel_t( 0,   0, 255, 127 )
  54                                       , cmyk8_pixel_t( 0, 255,   0, 127 )
  55                                       )
  56                   , tag_t()
  57                   );
  58     }
  59 }
  60 #endif // BOOST_GIL_IO_TEST_ALLOW_WRITING_IMAGES
  61
  62 #ifdef BOOST_GIL_IO_TEST_ALLOW_READING_IMAGES
  63
  64 BOOST_AUTO_TEST_CASE( dct_method_write_test )
  65 {
  66     {
  67         using image_t = rgb8_image_t;
  68         image_t img;
  69
  70         read_image( jpeg_filename
  71                   , img
  72                   , tag_t()
  73                   );
  74
  75         image_write_info< jpeg_tag > info;
  76         info._dct_method = jpeg_dct_method::fast;
  77
  78 #ifdef BOOST_GIL_IO_TEST_ALLOW_WRITING_IMAGES
  79         write_view( jpeg_out + "fast_dct_write_test.jpg"
  80                   , view( img )
  81                   , info
  82                   );
  83 #endif // BOOST_GIL_IO_TEST_ALLOW_WRITING_IMAGES
  84
  85     }
  86 }
  87
  88 #endif // BOOST_GIL_IO_TEST_ALLOW_READING_IMAGES
  89
  90 BOOST_AUTO_TEST_CASE( rgb_color_space_write_test )
  91 {
  92     color_space_write_test< jpeg_tag >( jpeg_out + "rgb_color_space_test.jpg"
  93                                       , jpeg_out + "bgr_color_space_test.jpg"
  94                                       );
  95 }
  96
  97 BOOST_AUTO_TEST_SUITE_END()