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