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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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