//
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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_PIXEL_BIT_SIZE_HPP
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#define BOOST_GIL_EXTENSION_TOOLBOX_METAFUNCTIONS_PIXEL_BIT_SIZE_HPP
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#include <boost/gil/bit_aligned_pixel_reference.hpp>
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#include <boost/gil/packed_pixel.hpp>
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namespace boost{ namespace gil {
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/// pixel_bit_size metafunctions
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/// \brief Accumulates the all channel size.
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///
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/// \code
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/// using image_t = bit_aligned_image5_type<16, 16, 16, 8, 8, devicen_layout_t<5>>::type;
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/// const int size = pixel_bit_size<image_t::view_t::reference>::value;
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/// \endcode
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template< typename PixelRef>
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struct pixel_bit_size : std::integral_constant<int, 0> {};
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template <typename B, typename C, typename L, bool M>
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struct pixel_bit_size<bit_aligned_pixel_reference<B, C, L, M>>
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: mp11::mp_fold
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<
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C,
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std::integral_constant<int, 0>,
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mp11::mp_plus
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>
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{};
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template <typename B, typename C, typename L, bool M>
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struct pixel_bit_size<bit_aligned_pixel_reference<B, C, L, M> const>
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: mp11::mp_fold
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<
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C,
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std::integral_constant<int, 0>,
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mp11::mp_plus
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>
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{};
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template <typename B, typename C, typename L>
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struct pixel_bit_size<packed_pixel<B, C, L>>
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: mp11::mp_fold
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<
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C,
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std::integral_constant<int, 0>,
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mp11::mp_plus
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>
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{};
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template <typename B, typename C, typename L>
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struct pixel_bit_size<const packed_pixel<B,C,L> >
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: mp11::mp_fold
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<
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C,
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std::integral_constant<int, 0>,
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mp11::mp_plus
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>
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{};
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}} // namespace boost::gil
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#endif
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