Boost GIL


pixel_based.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_CONCEPTS_PIXEL_BASED_HPP
9 #define BOOST_GIL_CONCEPTS_PIXEL_BASED_HPP
10 
11 #include <boost/gil/concepts/basic.hpp>
12 #include <boost/gil/concepts/channel.hpp>
13 #include <boost/gil/concepts/color.hpp>
14 #include <boost/gil/concepts/concept_check.hpp>
15 #include <boost/gil/concepts/fwd.hpp>
16 
17 #include <cstddef>
18 
19 #if defined(BOOST_CLANG)
20 #pragma clang diagnostic push
21 #pragma clang diagnostic ignored "-Wunknown-pragmas"
22 #pragma clang diagnostic ignored "-Wunused-local-typedefs"
23 #endif
24 
25 #if defined(BOOST_GCC) && (BOOST_GCC >= 40900)
26 #pragma GCC diagnostic push
27 #pragma GCC diagnostic ignored "-Wunused-local-typedefs"
28 #endif
29 
30 namespace boost { namespace gil {
31 
52 template <typename P>
54 {
55  void constraints()
56  {
57  using color_space_t = typename color_space_type<P>::type;
58  gil_function_requires<ColorSpaceConcept<color_space_t>>();
59 
60  using channel_mapping_t = typename channel_mapping_type<P>::type ;
61  gil_function_requires<ChannelMappingConcept<channel_mapping_t>>();
62 
63  static const bool planar = is_planar<P>::value;
64  ignore_unused_variable_warning(planar);
65 
66  // This is not part of the concept, but should still work
67  static const std::size_t nc = num_channels<P>::value;
68  ignore_unused_variable_warning(nc);
69  }
70 };
71 
82 template <typename P>
84 {
85  void constraints()
86  {
87  gil_function_requires<PixelBasedConcept<P>>();
88 
89  using channel_t = typename channel_type<P>::type;
90  gil_function_requires<ChannelConcept<channel_t>>();
91  }
92 };
93 
94 }} // namespace boost::gil
95 
96 #if defined(BOOST_CLANG)
97 #pragma clang diagnostic pop
98 #endif
99 
100 #if defined(BOOST_GCC) && (BOOST_GCC >= 40900)
101 #pragma GCC diagnostic pop
102 #endif
103 
104 #endif
Concept for homogeneous pixel-based GIL constructs.
Definition: pixel_based.hpp:83
Concept for all pixel-based GIL constructs.
Definition: pixel_based.hpp:53
Definition: color_convert.hpp:31
Returns the number of channels of a pixel-based GIL construct.
Definition: locator.hpp:38