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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>
53 struct PixelBasedConcept
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>
83 struct HomogeneousPixelBasedConcept
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
boost
defined(BOOST_NO_CXX17_HDR_MEMORY_RESOURCE)
Definition: algorithm.hpp:36
boost::gil::HomogeneousPixelBasedConcept
Concept for homogeneous pixel-based GIL constructs.
Definition: pixel_based.hpp:84
boost::gil::PixelBasedConcept
Concept for all pixel-based GIL constructs.
Definition: pixel_based.hpp:54
boost::gil::channel_type
Definition: color_convert.hpp:31
boost::gil::num_channels
Returns the number of channels of a pixel-based GIL construct.
Definition: pixel.hpp:54