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139 lines
5.3 KiB
C++
139 lines
5.3 KiB
C++
// Copyright 2013 Christian Henning
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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/// \brief Unit test for subchroma_image type.
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#include <boost/test/unit_test.hpp>
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#include <boost/gil/gil_all.hpp>
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#include <boost/gil/extension/toolbox/color_spaces/ycbcr.hpp>
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#include <boost/gil/extension/toolbox/image_types/subchroma_image.hpp>
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using namespace std;
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using namespace boost;
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using namespace gil;
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BOOST_AUTO_TEST_SUITE( toolbox_tests )
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template< int J, int a, int b >
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struct foo
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{
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BOOST_STATIC_ASSERT(( mpl::equal_to< mpl::int_< J >, mpl::int_< 4 > >::type::value ));
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BOOST_STATIC_ASSERT(( mpl::or_< mpl::equal_to< mpl::int_< a >, mpl::int_< 4 > >
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, mpl::or_< mpl::equal_to< mpl::int_< a >, mpl::int_< 2 > >
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, mpl::equal_to< mpl::int_< a >, mpl::int_< 1 > >
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>
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>::type::value
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));
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BOOST_STATIC_ASSERT(( mpl::or_< mpl::equal_to< mpl::int_< b >, mpl::int_< 4 > >
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, mpl::or_< mpl::equal_to< mpl::int_< b >, mpl::int_< 2 > >
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, mpl::or_< mpl::equal_to< mpl::int_< b >, mpl::int_< 1 > >
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, mpl::equal_to< mpl::int_< b >, mpl::int_< 0 > >
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>
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>
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>::type::value
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));
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BOOST_STATIC_CONSTANT( int, ss_X = ( mpl::divides< mpl::int_< J >
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, mpl::int_< a >
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>::type::value )
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);
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BOOST_STATIC_CONSTANT( int, ss_Y = ( mpl::if_< mpl::equal_to< mpl::int_< b >, mpl::int_< 0 > >
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, mpl::int_< 2 >
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, mpl::if_< mpl::equal_to< mpl::int_< a >, mpl::int_< b > >
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, mpl::int_< 1 >
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, mpl::int_< 4 >
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>::type
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>::type::value )
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);
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};
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BOOST_AUTO_TEST_CASE( subchroma_image_test )
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{
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//{
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// ycbcr_601_8_pixel_t a( 10, 20, 30 );
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// rgb8_pixel_t b;
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// bgr8_pixel_t c;
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// color_convert( a, b );
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// color_convert( a, c );
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// BOOST_ASSERT( static_equal( b, c ));
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// color_convert( b, a );
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//}
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//{
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// ycbcr_709_8_pixel_t a( 10, 20, 30 );
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// rgb8_pixel_t b;
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// bgr8_pixel_t c;
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// color_convert( a, b );
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// color_convert( a, c );
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// BOOST_ASSERT( static_equal( b, c ));
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// color_convert( b, a );
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//}
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{
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typedef rgb8_pixel_t pixel_t;
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typedef subchroma_image< pixel_t > image_t;
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image_t img( 640, 480 );
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fill_pixels( view( img )
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, pixel_t( 10, 20, 30 )
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);
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}
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{
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typedef rgb8_pixel_t pixel_t;
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subchroma_image< pixel_t, mpl::vector_c< int, 4, 4, 4 > > a( 640, 480 ); BOOST_STATIC_ASSERT(( a.ss_X == 1 && a.ss_Y == 1 ));
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subchroma_image< pixel_t, mpl::vector_c< int, 4, 4, 0 > > b( 640, 480 ); BOOST_STATIC_ASSERT(( b.ss_X == 1 && b.ss_Y == 2 ));
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subchroma_image< pixel_t, mpl::vector_c< int, 4, 2, 2 > > c( 640, 480 ); BOOST_STATIC_ASSERT(( c.ss_X == 2 && c.ss_Y == 1 ));
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subchroma_image< pixel_t, mpl::vector_c< int, 4, 2, 0 > > d( 640, 480 ); BOOST_STATIC_ASSERT(( d.ss_X == 2 && d.ss_Y == 2 ));
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subchroma_image< pixel_t, mpl::vector_c< int, 4, 1, 1 > > e( 640, 480 ); BOOST_STATIC_ASSERT(( e.ss_X == 4 && e.ss_Y == 1 ));
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subchroma_image< pixel_t, mpl::vector_c< int, 4, 1, 0 > > f( 640, 480 ); BOOST_STATIC_ASSERT(( f.ss_X == 4 && f.ss_Y == 2 ));
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fill_pixels( view( a ), pixel_t( 10, 20, 30 ) );
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fill_pixels( view( b ), pixel_t( 10, 20, 30 ) );
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fill_pixels( view( c ), pixel_t( 10, 20, 30 ) );
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fill_pixels( view( d ), pixel_t( 10, 20, 30 ) );
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fill_pixels( view( e ), pixel_t( 10, 20, 30 ) );
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fill_pixels( view( f ), pixel_t( 10, 20, 30 ) );
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}
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{
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typedef ycbcr_601_8_pixel_t pixel_t;
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typedef mpl::vector_c< int, 4, 2, 2 > factors_t;
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typedef subchroma_image< pixel_t, factors_t > image_t;
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std::size_t y_width = 640;
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std::size_t y_height = 480;
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std::size_t image_size = ( y_width * y_height )
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+ ( y_width / image_t::ss_X ) * ( y_height / image_t::ss_Y )
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+ ( y_width / image_t::ss_X ) * ( y_height / image_t::ss_Y );
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vector< unsigned char > data( image_size );
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image_t::view_t v = subsampled_view< pixel_t, factors_t >( y_width
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, y_height
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, &data.front()
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);
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rgb8_pixel_t p = *v.xy_at( 0, 0 );
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}
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}
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BOOST_AUTO_TEST_SUITE_END()
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