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//
// Copyright 2019 Mateusz Loskot <mateusz at loskot dot net>
//
// Distributed under the Boost Software License, Version 1.0
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
//
#include <boost/gil/pixel.hpp>
#include <boost/gil/concepts/pixel.hpp>
#include <boost/gil/typedefs.hpp>
#include <boost/mp11.hpp>
#include <type_traits>
namespace gil = boost::gil;
using namespace boost::mp11;
template <typename Pixel>
struct assert_compatible
{
template <typename CompatiblePixel>
void operator()(CompatiblePixel&&)
{
using result_t = typename gil::pixels_are_compatible<Pixel, CompatiblePixel>::type;
static_assert(result_t::value, "pixels should be compatible");
// TODO: Refine after MPL -> MP11 switch
static_assert(
std::is_same<result_t, std::true_type>::value,
"pixels_are_compatible result type should be std::true_type");
static_assert(
!std::is_same<result_t, std::false_type>::value,
"pixels_are_compatible result type should no be std::false_type");
}
};
template <typename Pixel>
struct assert_not_compatible
{
template <typename NotCompatiblePixel>
void operator()(NotCompatiblePixel&&)
{
static_assert(
!gil::pixels_are_compatible<Pixel, NotCompatiblePixel>::value,
"pixels should not be compatible");
}
};
template <typename Pixel, typename... CompatiblePixels>
void test_compatible()
{
mp_for_each<CompatiblePixels...>(assert_compatible<Pixel>());
}
template <typename Pixel, typename... CompatiblePixels>
void test_not_compatible()
{
mp_for_each<CompatiblePixels...>(assert_not_compatible<Pixel>());
}
int main()
{
test_compatible<gil::gray8_pixel_t, mp_list<
gil::gray8_pixel_t,
gil::gray8c_pixel_t>>();
test_compatible<gil::gray8s_pixel_t, mp_list<
gil::gray8s_pixel_t,
gil::gray8sc_pixel_t>>();
test_not_compatible<gil::gray8_pixel_t, mp_list<
gil::gray8s_pixel_t,
gil::gray8sc_pixel_t>>();
test_compatible<gil::gray16_pixel_t, mp_list<
gil::gray16_pixel_t,
gil::gray16c_pixel_t>>();
test_compatible<gil::gray16s_pixel_t, mp_list<
gil::gray16s_pixel_t,
gil::gray16sc_pixel_t>>();
test_not_compatible<gil::gray16_pixel_t, mp_list<
gil::gray16s_pixel_t,
gil::gray16sc_pixel_t>>();
test_compatible<gil::rgb8_pixel_t, mp_list<
gil::bgr8_pixel_t,
gil::bgr8c_pixel_t,
gil::rgb8_pixel_t,
gil::rgb8c_pixel_t>>();
test_compatible<gil::rgb8s_pixel_t, mp_list<
gil::bgr8s_pixel_t,
gil::bgr8sc_pixel_t,
gil::rgb8s_pixel_t,
gil::rgb8sc_pixel_t>>();
test_not_compatible<gil::rgb8_pixel_t, mp_list<
gil::argb8_pixel_t,
gil::abgr8_pixel_t,
gil::rgba8_pixel_t,
gil::bgr8s_pixel_t,
gil::bgr8sc_pixel_t,
gil::rgb8s_pixel_t,
gil::rgb8sc_pixel_t>>();
test_compatible<gil::rgba8_pixel_t, mp_list<
gil::abgr8_pixel_t,
gil::argb8_pixel_t,
gil::bgra8_pixel_t,
gil::bgra8c_pixel_t,
gil::rgba8_pixel_t,
gil::rgba8c_pixel_t>>();
test_not_compatible<gil::rgba8_pixel_t, mp_list<
gil::rgb8_pixel_t,
gil::rgb16_pixel_t,
gil::rgba16_pixel_t,
gil::cmyk8_pixel_t,
gil::cmyk16_pixel_t>>();
test_compatible<gil::cmyk8_pixel_t, mp_list<
gil::cmyk8_pixel_t,
gil::cmyk8c_pixel_t>>();
test_compatible<gil::cmyk8s_pixel_t, mp_list<
gil::cmyk8s_pixel_t,
gil::cmyk8sc_pixel_t>>();
test_not_compatible<gil::cmyk8_pixel_t, mp_list<
gil::cmyk8s_pixel_t,
gil::cmyk8sc_pixel_t>>();
test_compatible<gil::cmyk32f_pixel_t, mp_list<
gil::cmyk32f_pixel_t,
gil::cmyk32fc_pixel_t>>();
}
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