get_num_bits.cpp 1.4 KB

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  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/metafunctions/channel_type.hpp>
  10. #include <boost/gil/extension/toolbox/metafunctions/get_num_bits.hpp>
  11. #include <boost/test/unit_test.hpp>
  12. using namespace boost;
  13. using namespace gil;
  14. BOOST_AUTO_TEST_SUITE( toolbox_tests )
  15. BOOST_AUTO_TEST_CASE( get_num_bits_test )
  16. {
  17. using image_t = bit_aligned_image4_type<4, 4, 4, 4, rgb_layout_t>::type;
  18. using channel_t = channel_type<image_t::view_t::reference>::type;
  19. static_assert(get_num_bits<channel_t>::value == 4, "");
  20. using const_channel_t = channel_type<image_t::const_view_t::reference>::type;
  21. static_assert(get_num_bits<const_channel_t>::value == 4, "");
  22. using bits_t = packed_channel_value<23>;
  23. static_assert(get_num_bits<bits_t>::value == 23, "");
  24. static_assert(get_num_bits<bits_t const>::value == 23, "");
  25. static_assert(get_num_bits<unsigned char >::value == 8, "");
  26. static_assert(get_num_bits<unsigned char const>::value == 8, "");
  27. static_assert(get_num_bits<channel_type<gray8_image_t::view_t::value_type>::type>::value == 8, "");
  28. static_assert(get_num_bits<channel_type<rgba32_image_t::view_t::value_type>::type>::value == 32, "");
  29. }
  30. BOOST_AUTO_TEST_SUITE_END()