1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
/*
Copyright 2012 Christian Henning, Andreas Pokorny, Lubomir Bourdev
Use, modification and distribution are subject to 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
////////////////////////////////////////////////////////////////////////////////////////
/// \file pixel_bit_size.hpp
/// \brief pixel_bit_size metafunction.
/// \author Christian Henning, Andreas Pokorny, Lubomir Bourdev \n
///
/// \date 2012 \n
///
////////////////////////////////////////////////////////////////////////////////////////
#include <boost/mpl/int.hpp>
#include <boost/mpl/accumulate.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
/// typedef bit_aligned_image5_type< 16, 16, 16, 8, 8, devicen_layout_t< 5 > >::type image_t;
/// const int size = pixel_bit_size<image_t::view_t::reference>::value;
/// \endcode
template< typename PixelRef >
struct pixel_bit_size : mpl::int_<0> {};
template <typename B, typename C, typename L, bool M>
struct pixel_bit_size<bit_aligned_pixel_reference<B,C,L,M> > : mpl::int_< mpl::accumulate< C, mpl::int_<0>, mpl::plus<mpl::_1, mpl::_2> >::type::value >{};
template <typename B, typename C, typename L, bool M>
struct pixel_bit_size<const bit_aligned_pixel_reference<B,C,L,M> > : mpl::int_< mpl::accumulate< C, mpl::int_<0>, mpl::plus<mpl::_1, mpl::_2> >::type::value >{};
template <typename B, typename C, typename L>
struct pixel_bit_size<packed_pixel<B,C,L> > : mpl::int_< mpl::accumulate< C, mpl::int_<0>, mpl::plus<mpl::_1, mpl::_2> >::type::value >{};
template <typename B, typename C, typename L>
struct pixel_bit_size<const packed_pixel<B,C,L> > : mpl::int_< mpl::accumulate< C, mpl::int_<0>, mpl::plus<mpl::_1, mpl::_2> >::type::value >{};
} // namespace gil
} // namespace boost
#endif // BOOST_GIL_EXTENSION_TOOLBOX_METAFUNCTIONS_PIXEL_BIT_SIZE_HPP
|
