-/*
- 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).
+//
+// 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_EXTENSION_DYNAMIC_IMAGE_ANY_IMAGE_HPP
+#define BOOST_GIL_EXTENSION_DYNAMIC_IMAGE_ANY_IMAGE_HPP
+
+#include <boost/gil/extension/dynamic_image/any_image_view.hpp>
+#include <boost/gil/extension/dynamic_image/apply_operation.hpp>
+
+#include <boost/gil/image.hpp>
+#include <boost/gil/detail/mp11.hpp>
+
+#include <boost/config.hpp>
+#include <boost/variant.hpp>
+
+#if BOOST_WORKAROUND(BOOST_MSVC, >= 1400)
+#pragma warning(push)
+#pragma warning(disable:4512) //assignment operator could not be generated
+#endif
- See http://opensource.adobe.com/gil for most recent version including documentation.
-*/
-/*************************************************************************************************/
+namespace boost { namespace gil {
-#ifndef GIL_DYNAMICIMAGE_ANY_IMAGE_HPP
-#define GIL_DYNAMICIMAGE_ANY_IMAGE_HPP
+namespace detail {
-////////////////////////////////////////////////////////////////////////////////////////
-/// \file
-/// \brief Support for run-time instantiated images and image views
-/// \author Lubomir Bourdev and Hailin Jin \n
-/// Adobe Systems Incorporated
-///
-///
-////////////////////////////////////////////////////////////////////////////////////////
+template <typename T>
+using get_view_t = typename T::view_t;
-#include "any_image_view.hpp"
-#include "../../image.hpp"
+template <typename Images>
+using images_get_views_t = mp11::mp_transform<get_view_t, Images>;
-//#ifdef _MSC_VER
-//#pragma warning(push)
-//#pragma warning(disable : 4244) // conversion from 'std::ptrdiff_t' to 'int', possible loss of data. even if we static-assert the two types are the same (on visual studio 8)
-//#endif
+template <typename T>
+using get_const_view_t = typename T::const_view_t;
-namespace boost { namespace gil {
+template <typename Images>
+using images_get_const_views_t = mp11::mp_transform<get_const_view_t, Images>;
-namespace detail {
- template <typename T> struct get_view_t { typedef typename T::view_t type; };
- template <typename Images> struct images_get_views_t : public mpl::transform<Images, get_view_t<mpl::_1> > {};
-
- template <typename T> struct get_const_view_t { typedef typename T::const_view_t type; };
- template <typename Images> struct images_get_const_views_t : public mpl::transform<Images, get_const_view_t<mpl::_1> > {};
-
- struct recreate_image_fnobj {
- typedef void result_type;
- const point2<std::ptrdiff_t>& _dimensions;
- unsigned _alignment;
-
- recreate_image_fnobj(const point2<std::ptrdiff_t>& dims, unsigned alignment) : _dimensions(dims), _alignment(alignment) {}
- template <typename Image> result_type operator()(Image& img) const { img.recreate(_dimensions,_alignment); }
- };
-
- template <typename AnyView> // Models AnyViewConcept
- struct any_image_get_view {
- typedef AnyView result_type;
- template <typename Image> result_type operator()( Image& img) const { return result_type(view(img)); }
- };
-
- template <typename AnyConstView> // Models AnyConstViewConcept
- struct any_image_get_const_view {
- typedef AnyConstView result_type;
- template <typename Image> result_type operator()(const Image& img) const { return result_type(const_view(img)); }
- };
-}
+struct recreate_image_fnobj
+{
+ using result_type = void;
+ point<std::ptrdiff_t> const& _dimensions;
+ unsigned _alignment;
+
+ recreate_image_fnobj(point<std::ptrdiff_t> const& dims, unsigned alignment)
+ : _dimensions(dims), _alignment(alignment)
+ {}
+
+ template <typename Image>
+ result_type operator()(Image& img) const { img.recreate(_dimensions,_alignment); }
+};
+
+template <typename AnyView> // Models AnyViewConcept
+struct any_image_get_view
+{
+ using result_type = AnyView;
+ template <typename Image>
+ result_type operator()(Image& img) const
+ {
+ return result_type(view(img));
+ }
+};
+
+template <typename AnyConstView> // Models AnyConstViewConcept
+struct any_image_get_const_view
+{
+ using result_type = AnyConstView;
+ template <typename Image>
+ result_type operator()(Image const& img) const { return result_type{const_view(img)}; }
+};
+
+} // namespce detail
////////////////////////////////////////////////////////////////////////////////////////
/// \ingroup ImageModel
/// \brief Represents a run-time specified image. Note it does NOT model ImageConcept
-///
+///
/// Represents an image whose type (color space, layout, planar/interleaved organization, etc) can be specified at run time.
/// It is the runtime equivalent of \p image.
-/// Some of the requirements of ImageConcept, such as the \p value_type typedef cannot be fulfilled, since the language does not allow runtime type specification.
+/// Some of the requirements of ImageConcept, such as the \p value_type alias cannot be fulfilled, since the language does not allow runtime type specification.
/// Other requirements, such as access to the pixels, would be inefficient to provide. Thus \p any_image does not fully model ImageConcept.
/// In particular, its \p view and \p const_view methods return \p any_image_view, which does not fully model ImageViewConcept. See \p any_image_view for more.
////////////////////////////////////////////////////////////////////////////////////////
-template <typename ImageTypes>
-class any_image : public variant<ImageTypes> {
- typedef variant<ImageTypes> parent_t;
+
+template <typename Images>
+class any_image : public make_variant_over<Images>::type
+{
+ using parent_t = typename make_variant_over<Images>::type;
public:
- typedef any_image_view<typename detail::images_get_const_views_t<ImageTypes>::type> const_view_t;
- typedef any_image_view<typename detail::images_get_views_t<ImageTypes>::type> view_t;
- typedef std::ptrdiff_t x_coord_t;
- typedef std::ptrdiff_t y_coord_t;
- typedef point2<std::ptrdiff_t> point_t;
-
- any_image() : parent_t() {}
- template <typename T> explicit any_image(const T& obj) : parent_t(obj) {}
- template <typename T> explicit any_image(T& obj, bool do_swap) : parent_t(obj,do_swap) {}
- any_image(const any_image& v) : parent_t((const parent_t&)v) {}
-
- template <typename T> any_image& operator=(const T& obj) { parent_t::operator=(obj); return *this; }
- any_image& operator=(const any_image& v) { parent_t::operator=((const parent_t&)v); return *this;}
-
- void recreate(const point_t& dims, unsigned alignment=1) { apply_operation(*this,detail::recreate_image_fnobj(dims,alignment)); }
- void recreate(x_coord_t width, y_coord_t height, unsigned alignment=1) { recreate(point2<std::ptrdiff_t>(width,height),alignment); }
-
- std::size_t num_channels() const { return apply_operation(*this, detail::any_type_get_num_channels()); }
- point_t dimensions() const { return apply_operation(*this, detail::any_type_get_dimensions()); }
- x_coord_t width() const { return dimensions().x; }
- y_coord_t height() const { return dimensions().y; }
+ using view_t = any_image_view<detail::images_get_views_t<Images>>;
+ using const_view_t = any_image_view<detail::images_get_const_views_t<Images>>;
+ using x_coord_t = std::ptrdiff_t;
+ using y_coord_t = std::ptrdiff_t;
+ using point_t = point<std::ptrdiff_t>;
+
+ any_image() = default;
+ any_image(any_image const& img) : parent_t((parent_t const&)img) {}
+
+ template <typename Image>
+ explicit any_image(Image const& img) : parent_t(img) {}
+
+ template <typename Image>
+ explicit any_image(Image& img, bool do_swap) : parent_t(img, do_swap) {}
+
+ template <typename OtherImages>
+ any_image(any_image<OtherImages> const& img)
+ : parent_t((typename make_variant_over<OtherImages>::type const&)img)
+ {}
+
+ any_image& operator=(any_image const& img)
+ {
+ parent_t::operator=((parent_t const&)img);
+ return *this;
+ }
+
+ template <typename Image>
+ any_image& operator=(Image const& img)
+ {
+ parent_t::operator=(img);
+ return *this;
+ }
+
+ template <typename OtherImages>
+ any_image& operator=(any_image<OtherImages> const& img)
+ {
+ parent_t::operator=((typename make_variant_over<OtherImages>::type const&)img);
+ return *this;
+ }
+
+ void recreate(const point_t& dims, unsigned alignment=1)
+ {
+ apply_operation(*this, detail::recreate_image_fnobj(dims, alignment));
+ }
+
+ void recreate(x_coord_t width, y_coord_t height, unsigned alignment=1)
+ {
+ recreate({ width, height }, alignment);
+ }
+
+ std::size_t num_channels() const
+ {
+ return apply_operation(*this, detail::any_type_get_num_channels());
+ }
+
+ point_t dimensions() const
+ {
+ return apply_operation(*this, detail::any_type_get_dimensions());
+ }
+
+ x_coord_t width() const { return dimensions().x; }
+ y_coord_t height() const { return dimensions().y; }
};
///@{
/// \ingroup ImageModel
/// \brief Returns the non-constant-pixel view of any image. The returned view is any view.
-template <typename Types> GIL_FORCEINLINE // Models ImageVectorConcept
-typename any_image<Types>::view_t view(any_image<Types>& anyImage) {
- return apply_operation(anyImage, detail::any_image_get_view<typename any_image<Types>::view_t>());
+/// \tparam Types Models ImageVectorConcept
+template <typename Types>
+BOOST_FORCEINLINE
+auto view(any_image<Types>& img) -> typename any_image<Types>::view_t
+{
+ using view_t = typename any_image<Types>::view_t;
+ return apply_operation(img, detail::any_image_get_view<view_t>());
}
/// \brief Returns the constant-pixel view of any image. The returned view is any view.
-template <typename Types> GIL_FORCEINLINE // Models ImageVectorConcept
-typename any_image<Types>::const_view_t const_view(const any_image<Types>& anyImage) {
- return apply_operation(anyImage, detail::any_image_get_const_view<typename any_image<Types>::const_view_t>());
+/// \tparam Types Models ImageVectorConcept
+template <typename Types>
+BOOST_FORCEINLINE
+auto const_view(any_image<Types> const& img) -> typename any_image<Types>::const_view_t
+{
+ using view_t = typename any_image<Types>::const_view_t;
+ return apply_operation(img, detail::any_image_get_const_view<view_t>());
}
///@}
-} } // namespace boost::gil
+}} // namespace boost::gil
-//#ifdef _MSC_VER
-//#pragma warning(pop)
-//#endif
+#if BOOST_WORKAROUND(BOOST_MSVC, >= 1400)
+#pragma warning(pop)
+#endif
#endif