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