ceph/src/boost/boost/gil/device_n.hpp

   1 /*
   2     Copyright 2005-2007 Adobe Systems Incorporated
   3
   4     Use, modification and distribution are subject to the Boost Software License,
   5     Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   6     http://www.boost.org/LICENSE_1_0.txt).
   7
   8     See http://stlab.adobe.com/gil for most recent version including documentation.
   9 */
  10 /*************************************************************************************************/
  11
  12 #ifndef GIL_DEVICE_N_H
  13 #define GIL_DEVICE_N_H
  14
  15
  16 ////////////////////////////////////////////////////////////////////////////////////////
  17 /// \file
  18 /// \brief Support for color space of N channels and variants
  19 /// \author Lubomir Bourdev and Hailin Jin \n
  20 ///         Adobe Systems Incorporated
  21 /// \date 2005-2009 \n Last updated on February 20, 2009
  22 ////////////////////////////////////////////////////////////////////////////////////////
  23
  24 #include <cstddef>
  25 #include "gil_config.hpp"
  26 #include "utilities.hpp"
  27 #include "metafunctions.hpp"
  28 #include <boost/type_traits.hpp>
  29 #include <boost/mpl/range_c.hpp>
  30 #include <boost/mpl/vector_c.hpp>
  31
  32 namespace boost { namespace gil {
  33
  34 /// \brief unnamed color
  35 /// \ingroup ColorNameModel
  36 template <int N> struct devicen_color_t {};
  37
  38 template <int N> struct devicen_t;
  39
  40 /// \brief unnamed color space of one channel
  41 /// \ingroup ColorSpaceModel
  42 template <> struct devicen_t<1> : public mpl::vector1<devicen_color_t<0> > {};
  43
  44 /// \brief unnamed color space of two channels
  45 /// \ingroup ColorSpaceModel
  46 template <> struct devicen_t<2> : public mpl::vector2<devicen_color_t<0>, devicen_color_t<1> > {};
  47
  48 /// \brief unnamed color space of three channels
  49 /// \ingroup ColorSpaceModel
  50 template <> struct devicen_t<3> : public mpl::vector3<devicen_color_t<0>, devicen_color_t<1>, devicen_color_t<2> > {};
  51
  52 /// \brief unnamed color space of four channels
  53 /// \ingroup ColorSpaceModel
  54 template <> struct devicen_t<4> : public mpl::vector4<devicen_color_t<0>, devicen_color_t<1>, devicen_color_t<2>, devicen_color_t<3> > {};
  55
  56 /// \brief unnamed color space of five channels
  57 /// \ingroup ColorSpaceModel
  58 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> > {};
  59
  60 /// \brief unnamed color layout of up to five channels
  61 /// \ingroup LayoutModel
  62 template <int N> struct devicen_layout_t : public layout<devicen_t<N> > {};
  63
  64 /// \ingroup ImageViewConstructors
  65 /// \brief from 2-channel planar data
  66 template <typename IC>
  67 inline typename type_from_x_iterator<planar_pixel_iterator<IC,devicen_t<2> > >::view_t
  68 planar_devicen_view(std::size_t width, std::size_t height, IC c0, IC c1, std::ptrdiff_t rowsize_in_bytes) {
  69     typedef typename type_from_x_iterator<planar_pixel_iterator<IC,devicen_t<2> > >::view_t view_t;
  70     return view_t(width, height, typename view_t::locator(typename view_t::x_iterator(c0,c1), rowsize_in_bytes));
  71 }
  72
  73 /// \ingroup ImageViewConstructors
  74 /// \brief from 3-channel planar data
  75 template <typename IC>
  76 inline typename type_from_x_iterator<planar_pixel_iterator<IC,devicen_t<3> > >::view_t
  77 planar_devicen_view(std::size_t width, std::size_t height, IC c0, IC c1, IC c2, std::ptrdiff_t rowsize_in_bytes) {
  78     typedef typename type_from_x_iterator<planar_pixel_iterator<IC,devicen_t<3> > >::view_t view_t;
  79     return view_t(width, height, typename view_t::locator(typename view_t::x_iterator(c0,c1,c2), rowsize_in_bytes));
  80 }
  81
  82 /// \ingroup ImageViewConstructors
  83 /// \brief from 4-channel planar data
  84 template <typename IC>
  85 inline typename type_from_x_iterator<planar_pixel_iterator<IC,devicen_t<4> > >::view_t
  86 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) {
  87     typedef typename type_from_x_iterator<planar_pixel_iterator<IC,devicen_t<4> > >::view_t view_t;
  88     return view_t(width, height, typename view_t::locator(typename view_t::x_iterator(c0,c1,c2,c3), rowsize_in_bytes));
  89 }
  90
  91 /// \ingroup ImageViewConstructors
  92 /// \brief from 5-channel planar data
  93 template <typename IC>
  94 inline typename type_from_x_iterator<planar_pixel_iterator<IC,devicen_t<5> > >::view_t
  95 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) {
  96     typedef typename type_from_x_iterator<planar_pixel_iterator<IC,devicen_t<5> > >::view_t view_t;
  97     return view_t(width, height, typename view_t::locator(typename view_t::x_iterator(c0,c1,c2,c3,c4), rowsize_in_bytes));
  98 }
  99
 100 } }  // namespace boost::gil
 101
 102 #endif