8 #ifndef BOOST_GIL_CONCEPTS_CHANNEL_HPP     9 #define BOOST_GIL_CONCEPTS_CHANNEL_HPP    11 #include <boost/gil/concepts/basic.hpp>    12 #include <boost/gil/concepts/concept_check.hpp>    13 #include <boost/gil/concepts/fwd.hpp>    15 #include <boost/concept_check.hpp>    18 #include <type_traits>    20 #if defined(BOOST_CLANG)    21 #pragma clang diagnostic push    22 #pragma clang diagnostic ignored "-Wunused-local-typedefs"    25 #if defined(BOOST_GCC) && (BOOST_GCC >= 40900)    26 #pragma GCC diagnostic push    27 #pragma GCC diagnostic ignored "-Wunused-local-typedefs"    30 namespace boost { 
namespace gil {
    34 struct channel_traits;
    36 template <
typename DstT, 
typename SrcT>
    38     -> 
typename channel_traits<DstT>::value_type;
    77         gil_function_requires<boost::EqualityComparableConcept<T>>();
    79         using v = 
typename channel_traits<T>::value_type;
    80         using r = 
typename channel_traits<T>::reference;
    81         using p = 
typename channel_traits<T>::pointer;
    82         using cr = 
typename channel_traits<T>::const_reference;
    83         using cp = 
typename channel_traits<T>::const_pointer;
    85         channel_traits<T>::min_value();
    86         channel_traits<T>::max_value();
   116 template <
typename T>
   121         gil_function_requires<ChannelConcept<T>>();
   122         gil_function_requires<detail::ChannelIsMutableConcept<T>>();
   131 template <
typename T>
   136         gil_function_requires<ChannelConcept<T>>();
   137         gil_function_requires<Regular<T>>();
   152 template <
typename T1, 
typename T2>  
   156             typename channel_traits<T1>::value_type,
   157             typename channel_traits<T2>::value_type
   171 template <
typename Channel1, 
typename Channel2>
   191 template <
typename SrcChannel, 
typename DstChannel>
   196         gil_function_requires<ChannelConcept<SrcChannel>>();
   197         gil_function_requires<MutableChannelConcept<DstChannel>>();
   198         dst = channel_convert<DstChannel, SrcChannel>(src);
   199         ignore_unused_variable_warning(dst);
   207 #if defined(BOOST_CLANG)   208 #pragma clang diagnostic pop   211 #if defined(BOOST_GCC) && (BOOST_GCC >= 40900)   212 #pragma GCC diagnostic pop Definition: concepts/channel.hpp:97
channel_traits< DstChannel >::value_type channel_convert(const SrcChannel &src)
Converting from one channel type to another.
Definition: channel_algorithm.hpp:451
A channel is convertible to another one if the channel_convert algorithm is defined for the two chann...
Definition: concepts/channel.hpp:192
A channel is the building block of a color. Color is defined as a mixture of primary colors and a cha...
Definition: concepts/channel.hpp:73
A channel that supports default construction.
Definition: concepts/channel.hpp:132
Predicate metafunction returning whether two channels are compatible.
Definition: concepts/channel.hpp:153
void swap(boost::gil::packed_channel_reference< BF, FB, NB, M > const x, R &y)
swap for packed_channel_reference
Definition: channel.hpp:529
Channels are compatible if their associated value types (ignoring constness and references) are the s...
Definition: concepts/channel.hpp:172
A channel that allows for modifying its value.
Definition: concepts/channel.hpp:117