133 lines
3.8 KiB
C++
133 lines
3.8 KiB
C++
//
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// Copyright 2019 Mateusz Loskot <mateusz at loskot dot net>
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//
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// Distributed under the Boost Software License, Version 1.0
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// See 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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//
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#include <boost/gil/pixel.hpp>
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#include <boost/gil/concepts/pixel.hpp>
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#include <boost/gil/typedefs.hpp>
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#include <boost/mp11.hpp>
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#include <type_traits>
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namespace gil = boost::gil;
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using namespace boost::mp11;
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template <typename Pixel>
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struct assert_compatible
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{
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template <typename CompatiblePixel>
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void operator()(CompatiblePixel&&)
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{
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using result_t = typename gil::pixels_are_compatible<Pixel, CompatiblePixel>::type;
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static_assert(result_t::value, "pixels should be compatible");
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// TODO: Refine after MPL -> MP11 switch
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static_assert(
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!std::is_same<result_t, std::true_type>::value,
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"pixels_are_compatible result type should no be std::true_type");
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static_assert(
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!std::is_same<result_t, std::false_type>::value,
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"pixels_are_compatible result type should no be std::false_type");
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}
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};
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template <typename Pixel>
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struct assert_not_compatible
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{
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template <typename NotCompatiblePixel>
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void operator()(NotCompatiblePixel&&)
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{
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static_assert(
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!gil::pixels_are_compatible<Pixel, NotCompatiblePixel>::value,
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"pixels should not be compatible");
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}
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};
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template <typename Pixel, typename... CompatiblePixels>
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void test_compatible()
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{
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mp_for_each<CompatiblePixels...>(assert_compatible<Pixel>());
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}
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template <typename Pixel, typename... CompatiblePixels>
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void test_not_compatible()
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{
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mp_for_each<CompatiblePixels...>(assert_not_compatible<Pixel>());
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}
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int main()
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{
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test_compatible<gil::gray8_pixel_t, mp_list<
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gil::gray8_pixel_t,
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gil::gray8c_pixel_t>>();
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test_compatible<gil::gray8s_pixel_t, mp_list<
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gil::gray8s_pixel_t,
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gil::gray8sc_pixel_t>>();
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test_not_compatible<gil::gray8_pixel_t, mp_list<
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gil::gray8s_pixel_t,
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gil::gray8sc_pixel_t>>();
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test_compatible<gil::gray16_pixel_t, mp_list<
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gil::gray16_pixel_t,
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gil::gray16c_pixel_t>>();
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test_compatible<gil::gray16s_pixel_t, mp_list<
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gil::gray16s_pixel_t,
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gil::gray16sc_pixel_t>>();
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test_not_compatible<gil::gray16_pixel_t, mp_list<
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gil::gray16s_pixel_t,
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gil::gray16sc_pixel_t>>();
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test_compatible<gil::rgb8_pixel_t, mp_list<
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gil::bgr8_pixel_t,
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gil::bgr8c_pixel_t,
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gil::rgb8_pixel_t,
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gil::rgb8c_pixel_t>>();
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test_compatible<gil::rgb8s_pixel_t, mp_list<
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gil::bgr8s_pixel_t,
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gil::bgr8sc_pixel_t,
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gil::rgb8s_pixel_t,
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gil::rgb8sc_pixel_t>>();
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test_not_compatible<gil::rgb8_pixel_t, mp_list<
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gil::argb8_pixel_t,
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gil::abgr8_pixel_t,
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gil::rgba8_pixel_t,
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gil::bgr8s_pixel_t,
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gil::bgr8sc_pixel_t,
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gil::rgb8s_pixel_t,
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gil::rgb8sc_pixel_t>>();
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test_compatible<gil::rgba8_pixel_t, mp_list<
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gil::abgr8_pixel_t,
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gil::argb8_pixel_t,
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gil::bgra8_pixel_t,
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gil::bgra8c_pixel_t,
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gil::rgba8_pixel_t,
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gil::rgba8c_pixel_t>>();
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test_not_compatible<gil::rgba8_pixel_t, mp_list<
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gil::rgb8_pixel_t,
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gil::rgb16_pixel_t,
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gil::rgba16_pixel_t,
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gil::cmyk8_pixel_t,
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gil::cmyk16_pixel_t>>();
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test_compatible<gil::cmyk8_pixel_t, mp_list<
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gil::cmyk8_pixel_t,
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gil::cmyk8c_pixel_t>>();
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test_compatible<gil::cmyk8s_pixel_t, mp_list<
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gil::cmyk8s_pixel_t,
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gil::cmyk8sc_pixel_t>>();
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test_not_compatible<gil::cmyk8_pixel_t, mp_list<
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gil::cmyk8s_pixel_t,
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gil::cmyk8sc_pixel_t>>();
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test_compatible<gil::cmyk32f_pixel_t, mp_list<
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gil::cmyk32f_pixel_t,
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gil::cmyk32fc_pixel_t>>();
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}
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