//
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// Copyright 2012 Christian Henning
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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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#ifndef BOOST_GIL_EXTENSION_TOOLBOX_COLOR_SPACES_CMYKA_HPP
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#define BOOST_GIL_EXTENSION_TOOLBOX_COLOR_SPACES_CMYKA_HPP
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#include <boost/gil/cmyk.hpp>
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#include <boost/gil/color_convert.hpp>
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#include <boost/gil/rgba.hpp>
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#include <boost/gil/typedefs.hpp>
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#include <boost/gil/detail/mp11.hpp>
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namespace boost{ namespace gil {
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/// \ingroup ColorSpaceModel
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using cmyka_t = mp11::mp_list<cyan_t, magenta_t, yellow_t, black_t, alpha_t>;
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/// \ingroup LayoutModel
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using cmyka_layout_t = layout<cmyka_t>;
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BOOST_GIL_DEFINE_ALL_TYPEDEFS(8, uint8_t, cmyka)
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BOOST_GIL_DEFINE_ALL_TYPEDEFS(8s, int8_t, cmyka)
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BOOST_GIL_DEFINE_ALL_TYPEDEFS(16, uint16_t, cmyka)
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BOOST_GIL_DEFINE_ALL_TYPEDEFS(16s, int16_t, cmyka)
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BOOST_GIL_DEFINE_ALL_TYPEDEFS(32, uint32_t, cmyka)
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BOOST_GIL_DEFINE_ALL_TYPEDEFS(32s, int32_t, cmyka)
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BOOST_GIL_DEFINE_ALL_TYPEDEFS(32f, float32_t, cmyka)
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///// \ingroup ColorConvert
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///// \brief Converting CMYKA to any pixel type. Note: Supports homogeneous pixels only.
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//template <typename C2>
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//struct default_color_converter_impl<cmyka_t,C2> {
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// template <typename P1, typename P2>
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// void operator()(const P1& src, P2& dst) const {
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// using T1 = typename channel_type<P1>::type;
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// default_color_converter_impl<cmyk_t,C2>()(
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// pixel<T1,cmyk_layout_t>(channel_multiply(get_color(src,cyan_t()), get_color(src,alpha_t())),
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// channel_multiply(get_color(src,magenta_t()),get_color(src,alpha_t())),
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// channel_multiply(get_color(src,yellow_t()), get_color(src,alpha_t())),
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// channel_multiply(get_color(src,black_t()), get_color(src,alpha_t())))
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// ,dst);
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// }
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//};
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template <>
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struct default_color_converter_impl<cmyka_t,rgba_t> {
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template <typename P1, typename P2>
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void operator()(const P1& src, P2& dst) const {
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using T1 = typename channel_type<P1>::type;
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default_color_converter_impl<cmyk_t,rgba_t>()(
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pixel<T1,cmyk_layout_t>(get_color(src,cyan_t()),
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get_color(src,magenta_t()),
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get_color(src,yellow_t()),
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get_color(src,black_t()))
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,dst);
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}
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};
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/// \ingroup ColorConvert
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/// \brief Unfortunately CMYKA to CMYKA must be explicitly provided - otherwise we get ambiguous specialization error.
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template <>
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struct default_color_converter_impl<cmyka_t,cmyka_t> {
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template <typename P1, typename P2>
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void operator()(const P1& src, P2& dst) const {
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static_for_each(src,dst,default_channel_converter());
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}
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};
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} // namespace gil
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} // namespace boost
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#endif
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