123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475 |
- //
- // Copyright 2012 Christian Henning
- //
- // 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
- //
- #ifndef BOOST_GIL_EXTENSION_TOOLBOX_COLOR_SPACES_CMYKA_HPP
- #define BOOST_GIL_EXTENSION_TOOLBOX_COLOR_SPACES_CMYKA_HPP
- #include <boost/gil/cmyk.hpp>
- #include <boost/gil/color_convert.hpp>
- #include <boost/gil/rgba.hpp>
- #include <boost/gil/typedefs.hpp>
- #include <boost/gil/detail/mp11.hpp>
- namespace boost{ namespace gil {
- /// \ingroup ColorSpaceModel
- using cmyka_t = mp11::mp_list<cyan_t, magenta_t, yellow_t, black_t, alpha_t>;
- /// \ingroup LayoutModel
- using cmyka_layout_t = layout<cmyka_t>;
- GIL_DEFINE_ALL_TYPEDEFS(8, uint8_t, cmyka)
- GIL_DEFINE_ALL_TYPEDEFS(8s, int8_t, cmyka)
- GIL_DEFINE_ALL_TYPEDEFS(16, uint16_t, cmyka)
- GIL_DEFINE_ALL_TYPEDEFS(16s, int16_t, cmyka)
- GIL_DEFINE_ALL_TYPEDEFS(32, uint32_t, cmyka)
- GIL_DEFINE_ALL_TYPEDEFS(32s, int32_t, cmyka)
- GIL_DEFINE_ALL_TYPEDEFS(32f, float32_t, cmyka)
- ///// \ingroup ColorConvert
- ///// \brief Converting CMYKA to any pixel type. Note: Supports homogeneous pixels only.
- //template <typename C2>
- //struct default_color_converter_impl<cmyka_t,C2> {
- // template <typename P1, typename P2>
- // void operator()(const P1& src, P2& dst) const {
- // using T1 = typename channel_type<P1>::type;
- // default_color_converter_impl<cmyk_t,C2>()(
- // pixel<T1,cmyk_layout_t>(channel_multiply(get_color(src,cyan_t()), get_color(src,alpha_t())),
- // channel_multiply(get_color(src,magenta_t()),get_color(src,alpha_t())),
- // channel_multiply(get_color(src,yellow_t()), get_color(src,alpha_t())),
- // channel_multiply(get_color(src,black_t()), get_color(src,alpha_t())))
- // ,dst);
- // }
- //};
- template <>
- struct default_color_converter_impl<cmyka_t,rgba_t> {
- template <typename P1, typename P2>
- void operator()(const P1& src, P2& dst) const {
- using T1 = typename channel_type<P1>::type;
- default_color_converter_impl<cmyk_t,rgba_t>()(
- pixel<T1,cmyk_layout_t>(get_color(src,cyan_t()),
- get_color(src,magenta_t()),
- get_color(src,yellow_t()),
- get_color(src,black_t()))
- ,dst);
- }
- };
- /// \ingroup ColorConvert
- /// \brief Unfortunately CMYKA to CMYKA must be explicitly provided - otherwise we get ambiguous specialization error.
- template <>
- struct default_color_converter_impl<cmyka_t,cmyka_t> {
- template <typename P1, typename P2>
- void operator()(const P1& src, P2& dst) const {
- static_for_each(src,dst,default_channel_converter());
- }
- };
- } // namespace gil
- } // namespace boost
- #endif
|