libs/gil/test/extension/toolbox/hsl_hsv_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 #include <boost/gil.hpp>
   9 #include <boost/gil/extension/toolbox/color_spaces/hsl.hpp>
  10 #include <boost/gil/extension/toolbox/color_spaces/hsv.hpp>
  11
  12 #include <boost/test/unit_test.hpp>
  13
  14 using namespace std;
  15 using namespace boost;
  16 using namespace gil;
  17
  18 BOOST_AUTO_TEST_SUITE( toolbox_tests )
  19
  20 BOOST_AUTO_TEST_CASE( hsl_hsv_test )
  21 {
  22     {
  23         rgb8_pixel_t p( 128, 0, 128 );
  24
  25         hsl32f_pixel_t h;
  26
  27         color_convert( p, h );
  28         color_convert( h, p );
  29     }
  30
  31     {
  32         size_t width  = 640;
  33         size_t height = 480;
  34
  35         hsl32f_image_t hsl_img( width, height );
  36         hsv32f_image_t hsv_img( width, height );
  37
  38         for( size_t y = 0; y < height; y++ )
  39         {
  40             hsl32f_view_t::x_iterator hsl_x_it = view( hsl_img ).row_begin( y );
  41             hsv32f_view_t::x_iterator hsv_x_it = view( hsv_img ).row_begin( y );
  42
  43             float v = static_cast<float>( height -  y )
  44                     / height;
  45
  46             for( size_t x = 0; x < width; x++ )
  47             {
  48                 float hue = ( x + 1.f ) / width;
  49
  50                 hsl_x_it[x] = hsl32f_pixel_t( hue, 1.0, v );
  51                 hsv_x_it[x] = hsv32f_pixel_t( hue, 1.0, v );
  52             }
  53         }
  54     }
  55
  56     {
  57         rgb8_image_t rgb_img( 640, 480 );
  58         fill_pixels( view(rgb_img), rgb8_pixel_t( 255, 128, 64 ));
  59         hsl32f_image_t hsl_img( view( rgb_img ).dimensions() );
  60
  61         copy_pixels( color_converted_view<hsl32f_pixel_t>( view( rgb_img ))
  62                     , view( hsl_img ));
  63     }
  64
  65     {
  66         rgb8_image_t rgb_img( 640, 480 );
  67         fill_pixels( view(rgb_img), rgb8_pixel_t( 255, 128, 64 ));
  68         hsv32f_image_t hsv_img( view( rgb_img ).dimensions() );
  69
  70         copy_pixels( color_converted_view<hsv32f_pixel_t>( view( rgb_img ))
  71                     , view( hsv_img ));
  72     }
  73 }
  74
  75 BOOST_AUTO_TEST_SUITE_END()