//
|
// Copyright 2005-2007 Adobe Systems Incorporated
|
//
|
// Distributed under the Boost Software License, Version 1.0
|
// See accompanying file LICENSE_1_0.txt or copy at
|
// http://www.boost.org/LICENSE_1_0.txt
|
//
|
#ifndef BOOST_GIL_CONCEPTS_PIXEL_BASED_HPP
|
#define BOOST_GIL_CONCEPTS_PIXEL_BASED_HPP
|
|
#include <boost/gil/concepts/basic.hpp>
|
#include <boost/gil/concepts/channel.hpp>
|
#include <boost/gil/concepts/color.hpp>
|
#include <boost/gil/concepts/concept_check.hpp>
|
#include <boost/gil/concepts/fwd.hpp>
|
|
#include <cstddef>
|
|
#if defined(BOOST_CLANG)
|
#pragma clang diagnostic push
|
#pragma clang diagnostic ignored "-Wunknown-pragmas"
|
#pragma clang diagnostic ignored "-Wunused-local-typedefs"
|
#endif
|
|
#if defined(BOOST_GCC) && (BOOST_GCC >= 40900)
|
#pragma GCC diagnostic push
|
#pragma GCC diagnostic ignored "-Wunused-local-typedefs"
|
#endif
|
|
namespace boost { namespace gil {
|
|
/// \ingroup PixelBasedConcept
|
/// \brief Concept for all pixel-based GIL constructs.
|
///
|
/// Pixel-based constructs include pixels, iterators, locators, views and
|
/// images whose value type is a pixel.
|
///
|
/// \code
|
/// concept PixelBasedConcept<typename T>
|
/// {
|
/// typename color_space_type<T>;
|
/// where Metafunction<color_space_type<T> >;
|
/// where ColorSpaceConcept<color_space_type<T>::type>;
|
/// typename channel_mapping_type<T>;
|
/// where Metafunction<channel_mapping_type<T> >;
|
/// where ChannelMappingConcept<channel_mapping_type<T>::type>;
|
/// typename is_planar<T>;
|
/// where Metafunction<is_planar<T> >;
|
/// where SameType<is_planar<T>::type, bool>;
|
/// };
|
/// \endcode
|
template <typename P>
|
struct PixelBasedConcept
|
{
|
void constraints()
|
{
|
using color_space_t = typename color_space_type<P>::type;
|
gil_function_requires<ColorSpaceConcept<color_space_t>>();
|
|
using channel_mapping_t = typename channel_mapping_type<P>::type ;
|
gil_function_requires<ChannelMappingConcept<channel_mapping_t>>();
|
|
static const bool planar = is_planar<P>::value;
|
ignore_unused_variable_warning(planar);
|
|
// This is not part of the concept, but should still work
|
static const std::size_t nc = num_channels<P>::value;
|
ignore_unused_variable_warning(nc);
|
}
|
};
|
|
/// \brief Concept for homogeneous pixel-based GIL constructs
|
/// \ingroup PixelBasedConcept
|
/// \code
|
/// concept HomogeneousPixelBasedConcept<PixelBasedConcept T>
|
/// {
|
/// typename channel_type<T>;
|
/// where Metafunction<channel_type<T>>;
|
/// where ChannelConcept<channel_type<T>::type>;
|
/// };
|
/// \endcode
|
template <typename P>
|
struct HomogeneousPixelBasedConcept
|
{
|
void constraints()
|
{
|
gil_function_requires<PixelBasedConcept<P>>();
|
|
using channel_t = typename channel_type<P>::type;
|
gil_function_requires<ChannelConcept<channel_t>>();
|
}
|
};
|
|
}} // namespace boost::gil
|
|
#if defined(BOOST_CLANG)
|
#pragma clang diagnostic pop
|
#endif
|
|
#if defined(BOOST_GCC) && (BOOST_GCC >= 40900)
|
#pragma GCC diagnostic pop
|
#endif
|
|
#endif
|
