device_n.hpp

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00001 /*
00002     Copyright 2005-2007 Adobe Systems Incorporated
00003    
00004     Use, modification and distribution are subject to the Boost Software License,
00005     Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
00006     http://www.boost.org/LICENSE_1_0.txt).
00007 
00008     See http://stlab.adobe.com/gil for most recent version including documentation.
00009 */
00010 /*************************************************************************************************/
00011 
00012 #ifndef GIL_DEVICE_N_H
00013 #define GIL_DEVICE_N_H
00014 
00015 
00023 
00024 #include <cstddef>
00025 #include "gil_config.hpp"
00026 #include "utilities.hpp"
00027 #include "metafunctions.hpp"
00028 #include <boost/type_traits.hpp>
00029 #include <boost/mpl/range_c.hpp>
00030 #include <boost/mpl/vector_c.hpp>
00031 
00032 namespace boost { namespace gil {
00033 
00036 template <int N> struct devicen_color_t {};
00037 
00038 template <int N> struct devicen_t;
00039 
00042 template <> struct devicen_t<1> : public mpl::vector1<devicen_color_t<0> > {};
00043 
00046 template <> struct devicen_t<2> : public mpl::vector2<devicen_color_t<0>, devicen_color_t<1> > {};
00047 
00050 template <> struct devicen_t<3> : public mpl::vector3<devicen_color_t<0>, devicen_color_t<1>, devicen_color_t<2> > {};
00051 
00054 template <> struct devicen_t<4> : public mpl::vector4<devicen_color_t<0>, devicen_color_t<1>, devicen_color_t<2>, devicen_color_t<3> > {};
00055 
00058 template <> struct devicen_t<5> : public mpl::vector5<devicen_color_t<0>, devicen_color_t<1>, devicen_color_t<2>, devicen_color_t<3>, devicen_color_t<4> > {};
00059 
00062 template <int N> struct devicen_layout_t : public layout<devicen_t<N> > {};
00063 
00066 template <typename IC>
00067 inline typename type_from_x_iterator<planar_pixel_iterator<IC,devicen_t<2> > >::view_t
00068 planar_devicen_view(std::size_t width, std::size_t height, IC c0, IC c1, std::ptrdiff_t rowsize_in_bytes) {
00069     typedef typename type_from_x_iterator<planar_pixel_iterator<IC,devicen_t<2> > >::view_t view_t;
00070     return view_t(width, height, typename view_t::locator(typename view_t::x_iterator(c0,c1), rowsize_in_bytes));
00071 }
00072 
00075 template <typename IC>
00076 inline typename type_from_x_iterator<planar_pixel_iterator<IC,devicen_t<3> > >::view_t
00077 planar_devicen_view(std::size_t width, std::size_t height, IC c0, IC c1, IC c2, std::ptrdiff_t rowsize_in_bytes) {
00078     typedef typename type_from_x_iterator<planar_pixel_iterator<IC,devicen_t<3> > >::view_t view_t;
00079     return view_t(width, height, typename view_t::locator(typename view_t::x_iterator(c0,c1,c2), rowsize_in_bytes));
00080 }
00081 
00084 template <typename IC>
00085 inline typename type_from_x_iterator<planar_pixel_iterator<IC,devicen_t<4> > >::view_t
00086 planar_devicen_view(std::size_t width, std::size_t height, IC c0, IC c1, IC c2, IC c3, std::ptrdiff_t rowsize_in_bytes) {
00087     typedef typename type_from_x_iterator<planar_pixel_iterator<IC,devicen_t<4> > >::view_t view_t;
00088     return view_t(width, height, typename view_t::locator(typename view_t::x_iterator(c0,c1,c2,c3), rowsize_in_bytes));
00089 }
00090 
00093 template <typename IC>
00094 inline typename type_from_x_iterator<planar_pixel_iterator<IC,devicen_t<5> > >::view_t
00095 planar_devicen_view(std::size_t width, std::size_t height, IC c0, IC c1, IC c2, IC c3, IC c4, std::ptrdiff_t rowsize_in_bytes) {
00096     typedef typename type_from_x_iterator<planar_pixel_iterator<IC,devicen_t<5> > >::view_t view_t;
00097     return view_t(width, height, typename view_t::locator(typename view_t::x_iterator(c0,c1,c2,c3,c4), rowsize_in_bytes));
00098 }
00099 
00100 } }  // namespace boost::gil
00101 
00102 #endif