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