-/*
- Copyright 2005-2007 Adobe Systems Incorporated
-
- Use, modification and distribution are subject to 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).
-
- See http://stlab.adobe.com/gil for most recent version including documentation.
-*/
-
-/*************************************************************************************************/
-
-
-////////////////////////////////////////////////////////////////////////////////////////
-/// \file
-/// \brief Example on how to create a new model of a pixel reference
-/// \author Lubomir Bourdev and Hailin Jin \n
-/// Adobe Systems Incorporated
-/// \date 2005-2007 \n Last updated on February 26, 2007
-//////
-////////////////////////////////////////////////////////////////////////////////////////
+//
+// 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_EXAMPLE_INTERLEAVED_REF_HPP
+#define BOOST_GIL_EXAMPLE_INTERLEAVED_REF_HPP
+
+#include <boost/gil.hpp>
+#include <boost/gil/extension/dynamic_image/dynamic_image_all.hpp>
-#ifndef GIL_INTERLEAVED_REF_HPP
-#define GIL_INTERLEAVED_REF_HPP
+#include <type_traits>
-#include <boost/mpl/range_c.hpp>
-#include <boost/mpl/vector_c.hpp>
-#include <boost/gil/extension/dynamic_image/dynamic_image_all.hpp>
+// Example on how to create a new model of a pixel reference
namespace boost { namespace gil {
-
-/////////////////////////////////////////////////////////////////////////
-///
-/// A model of an interleaved pixel reference. Holds a pointer to the first channel
-/// MODELS:
-/// MutableHomogeneousPixelConcept
-/// MutableHomogeneousColorBaseConcept
-/// MutableColorBaseConcept
-/// HomogeneousColorBaseConcept
-/// ColorBaseConcept
-/// HomogeneousPixelBasedConcept
-/// PixelBasedConcept
-///
-/// For planar reference proxies to work properly, all of their methods must be const-qualified
-/// and their iterator's reference type must be const-qualified.
-/// Mutability of the reference proxy is part of its type (in this case, depends on the mutability of ChannelReference)
-/////////////////////////////////////////////////////////////////////////
-
-template <typename ChannelReference, // Models ChannelConcept. A channel reference, unsigned char& or const unsigned char&
- typename Layout> // A layout (includes the color space and channel ordering)
-struct interleaved_ref {
+// A model of an interleaved pixel reference. Holds a pointer to the first channel
+// MODELS:
+// MutableHomogeneousPixelConcept
+// MutableHomogeneousColorBaseConcept
+// MutableColorBaseConcept
+// HomogeneousColorBaseConcept
+// ColorBaseConcept
+// HomogeneousPixelBasedConcept
+// PixelBasedConcept
+//
+// For planar reference proxies to work properly, all of their methods must be const-qualified
+// and their iterator's reference type must be const-qualified.
+// Mutability of the reference proxy is part of its type (in this case, depends on the mutability of ChannelReference)
+
+/// \tparam ChannelReference - Models ChannelConcept.
+/// A channel reference, unsigned char& or const unsigned char&
+/// \tparam Layout - A layout (includes the color space and channel ordering)
+template <typename ChannelReference, typename Layout>
+struct interleaved_ref
+{
private:
- typedef typename channel_traits<ChannelReference>::value_type channel_t;
- typedef typename channel_traits<ChannelReference>::reference channel_reference_t;
- typedef typename channel_traits<ChannelReference>::const_reference channel_const_reference_t;
- typedef typename channel_traits<ChannelReference>::pointer channel_pointer_t;
+ using channel_t = typename channel_traits<ChannelReference>::value_type;
+ using channel_pointer_t = typename channel_traits<ChannelReference>::pointer;
+ using channel_reference_t = typename channel_traits<ChannelReference>::reference;
+ using channel_const_reference_t = typename channel_traits<ChannelReference>::const_reference;
+
public:
-// Required by ColorBaseConcept
- typedef Layout layout_t;
+ using layout_t = Layout; // Required by ColorBaseConcept
// Copy construction from a compatible type. The copy constructor of references is shallow. The channels themselves are not copied.
interleaved_ref(const interleaved_ref& p) : _channels(p._channels) {}
template <typename P> bool operator!=(const P& p) const { return !(*this==p); }
// Required by MutableColorBaseConcept
-
- // Assignment from a compatible type
+
+ // Assignment from a compatible type
const interleaved_ref& operator=(const interleaved_ref& p) const { static_copy(p,*this); return *this; }
template <typename P> const interleaved_ref& operator=(const P& p) const { check_compatible<P>(); static_copy(p,*this); return *this; }
// Required by PixelConcept
- typedef pixel<channel_t, layout_t> value_type;
- typedef interleaved_ref reference;
- typedef interleaved_ref<channel_const_reference_t, layout_t> const_reference;
+ using value_type = pixel<channel_t, layout_t>;
+ using reference = interleaved_ref;
+ using const_reference = interleaved_ref<channel_const_reference_t, layout_t>;
static const bool is_mutable = channel_traits<ChannelReference>::is_mutable;
// Required by HomogeneousPixelConcept
private:
channel_pointer_t _channels;
- template <typename Pixel> static void check_compatible() { gil_function_requires<PixelsCompatibleConcept<Pixel,interleaved_ref> >(); }
+ template <typename Pixel> static void check_compatible() { gil_function_requires<PixelsCompatibleConcept<Pixel,interleaved_ref>>(); }
};
// Required by ColorBaseConcept
template <typename ChannelReference, typename Layout, int K>
-struct kth_element_type<interleaved_ref<ChannelReference,Layout>,K> {
- typedef ChannelReference type;
+struct kth_element_type<interleaved_ref<ChannelReference, Layout>, K>
+{
+ using type = ChannelReference;
};
template <typename ChannelReference, typename Layout, int K>
-struct kth_element_reference_type<interleaved_ref<ChannelReference,Layout>,K> {
- typedef ChannelReference type;
+struct kth_element_reference_type<interleaved_ref<ChannelReference, Layout>, K>
+{
+ using type = ChannelReference;
};
template <typename ChannelReference, typename Layout, int K>
-struct kth_element_const_reference_type<interleaved_ref<ChannelReference,Layout>,K> {
- typedef ChannelReference type;
-// typedef typename channel_traits<ChannelReference>::const_reference type;
+struct kth_element_const_reference_type<interleaved_ref<ChannelReference, Layout>, K>
+{
+ using type = ChannelReference;
+ // XXX: using type = typename channel_traits<ChannelReference>::const_reference;
};
-
// Required by ColorBaseConcept
template <int K, typename ChannelReference, typename Layout>
-typename element_reference_type<interleaved_ref<ChannelReference,Layout> >::type
+typename element_reference_type<interleaved_ref<ChannelReference,Layout>>::type
at_c(const interleaved_ref<ChannelReference,Layout>& p) { return p[K]; };
// Required by HomogeneousColorBaseConcept
template <typename ChannelReference, typename Layout>
-typename element_reference_type<interleaved_ref<ChannelReference,Layout> >::type
+typename element_reference_type<interleaved_ref<ChannelReference,Layout>>::type
dynamic_at_c(const interleaved_ref<ChannelReference,Layout>& p, std::size_t n) { return p[n]; };
namespace detail {
// Required by MutableColorBaseConcept. The default std::swap does not do the right thing for proxy references - it swaps the references, not the values
template <typename ChannelReference, typename Layout>
-void swap(const interleaved_ref<ChannelReference,Layout>& x, const interleaved_ref<ChannelReference,Layout>& y) {
+void swap(const interleaved_ref<ChannelReference,Layout>& x, const interleaved_ref<ChannelReference,Layout>& y) {
static_for_each(x,y,detail::swap_fn_t());
};
// Required by PixelConcept
template <typename ChannelReference, typename Layout>
-struct is_pixel<interleaved_ref<ChannelReference,Layout> > : public boost::mpl::true_ {};
+struct is_pixel<interleaved_ref<ChannelReference,Layout>> : public std::true_type {};
// Required by PixelBasedConcept
template <typename ChannelReference, typename Layout>
-struct color_space_type<interleaved_ref<ChannelReference,Layout> > {
- typedef typename Layout::color_space_t type;
-};
+struct color_space_type<interleaved_ref<ChannelReference, Layout>>
+{
+ using type = typename Layout::color_space_t;
+};
// Required by PixelBasedConcept
template <typename ChannelReference, typename Layout>
-struct channel_mapping_type<interleaved_ref<ChannelReference,Layout> > {
- typedef typename Layout::channel_mapping_t type;
-};
+struct channel_mapping_type<interleaved_ref<ChannelReference, Layout>>
+{
+ using type = typename Layout::channel_mapping_t;
+};
// Required by PixelBasedConcept
template <typename ChannelReference, typename Layout>
-struct is_planar<interleaved_ref<ChannelReference,Layout> > : mpl::false_ {};
+struct is_planar<interleaved_ref<ChannelReference,Layout>> : std::false_type {};
// Required by HomogeneousPixelBasedConcept
template <typename ChannelReference, typename Layout>
-struct channel_type<interleaved_ref<ChannelReference,Layout> > {
- typedef typename channel_traits<ChannelReference>::value_type type;
-};
+struct channel_type<interleaved_ref<ChannelReference, Layout>>
+{
+ using type = typename channel_traits<ChannelReference>::value_type;
+};
} } // namespace boost::gil