ceph/src/boost/boost/gil/rgb.hpp

   1 //
   2 // Copyright 2005-2007 Adobe Systems Incorporated
   3 //
   4 // Distributed under the Boost Software License, Version 1.0
   5 // See accompanying file LICENSE_1_0.txt or copy at
   6 // http://www.boost.org/LICENSE_1_0.txt
   7 //
   8 #ifndef BOOST_GIL_RGB_HPP
   9 #define BOOST_GIL_RGB_HPP
  10
  11 #include <boost/gil/metafunctions.hpp>
  12 #include <boost/gil/planar_pixel_iterator.hpp>
  13 #include <boost/gil/detail/mp11.hpp>
  14
  15 #include <cstddef>
  16 #include <type_traits>
  17
  18 namespace boost { namespace gil {
  19
  20 /// \addtogroup ColorNameModel
  21 /// \{
  22
  23 /// \brief Red
  24 struct red_t {};
  25
  26 /// \brief Green
  27 struct green_t {};
  28
  29 /// \brief Blue
  30 struct blue_t {};
  31 /// \}
  32
  33 /// \ingroup ColorSpaceModel
  34 using rgb_t = mp11::mp_list<red_t, green_t, blue_t>;
  35
  36 /// \ingroup LayoutModel
  37 using rgb_layout_t = layout<rgb_t>;
  38
  39 /// \ingroup LayoutModel
  40 using bgr_layout_t = layout<rgb_t, mp11::mp_list_c<int, 2, 1, 0>>;
  41
  42 /// \ingroup ImageViewConstructors
  43 /// \brief from raw RGB planar data
  44 template <typename IC>
  45 inline
  46 auto planar_rgb_view(
  47     std::size_t width, std::size_t height,
  48     IC r, IC g, IC b,
  49     std::ptrdiff_t rowsize_in_bytes)
  50     -> typename type_from_x_iterator<planar_pixel_iterator<IC, rgb_t> >::view_t
  51 {
  52     using view_t = typename type_from_x_iterator<planar_pixel_iterator<IC, rgb_t>>::view_t;
  53
  54     return view_t(
  55         width, height,
  56         typename view_t::locator(
  57             planar_pixel_iterator<IC, rgb_t>(r, g, b),
  58             rowsize_in_bytes));
  59 }
  60
  61 }}  // namespace boost::gil
  62
  63 #endif