//
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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_METAFUNCTIONS_GET_PIXEL_TYPE_HPP
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#define BOOST_GIL_EXTENSION_TOOLBOX_METAFUNCTIONS_GET_PIXEL_TYPE_HPP
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#include <boost/gil/extension/toolbox/dynamic_images.hpp>
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#include <boost/gil/extension/toolbox/metafunctions/is_bit_aligned.hpp>
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#include <boost/gil/detail/mp11.hpp>
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namespace boost{ namespace gil {
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/// get_pixel_type metafunction
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/// \brief Depending on Image this function generates either
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/// the pixel type or the reference type in case
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/// the image is bit_aligned.
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template<typename View>
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struct get_pixel_type
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{
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using type = mp11::mp_if
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<
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is_bit_aligned<typename View::value_type>,
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typename View::reference,
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typename View::value_type
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>;
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};
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template<typename ...Views>
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struct get_pixel_type<any_image_view<Views...>>
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{
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using type = any_image_pixel_t;
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};
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}} // namespace boost::gil
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#endif
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