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// // Copyright 2012 Christian Henning, Andreas Pokorny, Lubomir Bourdev // // 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_CONVERTERS_GRAY_TO_RGBA_HPP #define BOOST_GIL_EXTENSION_TOOLBOX_COLOR_CONVERTERS_GRAY_TO_RGBA_HPP #include <boost/gil/color_convert.hpp> namespace boost{ namespace gil { /// This one is missing in gil ( color_convert.hpp ). template <> struct default_color_converter_impl<gray_t,rgba_t> { template <typename P1, typename P2> void operator()(const P1& src, P2& dst) const { get_color(dst,red_t()) = channel_convert<typename color_element_type<P2, red_t >::type>(get_color(src,gray_color_t())); get_color(dst,green_t())= channel_convert<typename color_element_type<P2, green_t>::type>(get_color(src,gray_color_t())); get_color(dst,blue_t()) = channel_convert<typename color_element_type<P2, blue_t >::type>(get_color(src,gray_color_t())); using channel_t = typename channel_type<P2>::type; get_color(dst,alpha_t()) = channel_traits< channel_t >::max_value(); } }; }} // namespace boost::gil #endif
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