diff options
Diffstat (limited to 'boost/gil/extension/dynamic_image/image_view_factory.hpp')
| -rw-r--r-- | boost/gil/extension/dynamic_image/image_view_factory.hpp | 167 |
1 files changed, 102 insertions, 65 deletions
diff --git a/boost/gil/extension/dynamic_image/image_view_factory.hpp b/boost/gil/extension/dynamic_image/image_view_factory.hpp index 69ac4f681d..f46e24a2bf 100644 --- a/boost/gil/extension/dynamic_image/image_view_factory.hpp +++ b/boost/gil/extension/dynamic_image/image_view_factory.hpp @@ -1,32 +1,23 @@ -/* - 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_IMAGE_VIEW_FACTORY_HPP +#define BOOST_GIL_EXTENSION_DYNAMIC_IMAGE_IMAGE_VIEW_FACTORY_HPP - See http://opensource.adobe.com/gil for most recent version including documentation. -*/ +#include <boost/gil/extension/dynamic_image/any_image_view.hpp> -/*************************************************************************************************/ - -#ifndef GIL_DYNAMICIMAGE_IMAGE_VIEWS_HPP -#define GIL_DYNAMICIMAGE_IMAGE_VIEWS_HPP - -/*! -/// \file -/// \brief Methods for constructing any image views from other any image views -/// \author Lubomir Bourdev and Hailin Jin \n -/// Adobe Systems Incorporated -/// \date 2005-2007 \n Last updated on January 31, 2007 -/// Extends image view factory to runtime type-specified views (any_image_view) -*/ - -#include "any_image_view.hpp" -#include "../../image_view_factory.hpp" +#include <boost/gil/image_view_factory.hpp> +#include <boost/gil/point.hpp> namespace boost { namespace gil { +// Methods for constructing any image views from other any image views +// Extends image view factory to runtime type-specified views (any_image_view) + namespace detail { template <typename Result> struct flipped_up_down_view_fn { typedef Result result_type; @@ -52,18 +43,40 @@ template <typename Result> struct rotated180_view_fn { typedef Result result_type; template <typename View> result_type operator()(const View& src) const { return result_type(rotated180_view(src)); } }; -template <typename Result> struct subimage_view_fn { + +template <typename Result> +struct subimage_view_fn +{ typedef Result result_type; - subimage_view_fn(const point2<std::ptrdiff_t>& topleft, const point2<std::ptrdiff_t>& dimensions) : _topleft(topleft), _size2(dimensions) {} - point2<std::ptrdiff_t> _topleft,_size2; - template <typename View> result_type operator()(const View& src) const { return result_type(subimage_view(src,_topleft,_size2)); } + subimage_view_fn(point_t const& topleft, point_t const& dimensions) + : _topleft(topleft), _size2(dimensions) + {} + + template <typename View> + result_type operator()(const View& src) const + { + return result_type(subimage_view(src,_topleft,_size2)); + } + + point_t _topleft; + point_t _size2; }; -template <typename Result> struct subsampled_view_fn { + +template <typename Result> +struct subsampled_view_fn +{ typedef Result result_type; - subsampled_view_fn(const point2<std::ptrdiff_t>& step) : _step(step) {} - point2<std::ptrdiff_t> _step; - template <typename View> result_type operator()(const View& src) const { return result_type(subsampled_view(src,_step)); } + subsampled_view_fn(point_t const& step) : _step(step) {} + + template <typename View> + result_type operator()(const View& src) const + { + return result_type(subsampled_view(src,_step)); + } + + point_t _step; }; + template <typename Result> struct nth_channel_view_fn { typedef Result result_type; nth_channel_view_fn(int n) : _n(n) {} @@ -84,62 +97,86 @@ template <typename DstP, typename Result, typename CC = default_color_converter> /// \ingroup ImageViewTransformationsFlipUD template <typename ViewTypes> inline // Models MPL Random Access Container of models of ImageViewConcept -typename dynamic_y_step_type<any_image_view<ViewTypes> >::type flipped_up_down_view(const any_image_view<ViewTypes>& src) { - return apply_operation(src,detail::flipped_up_down_view_fn<typename dynamic_y_step_type<any_image_view<ViewTypes> >::type>()); +typename dynamic_y_step_type<any_image_view<ViewTypes> >::type flipped_up_down_view(const any_image_view<ViewTypes>& src) { + return apply_operation(src,detail::flipped_up_down_view_fn<typename dynamic_y_step_type<any_image_view<ViewTypes> >::type>()); } /// \ingroup ImageViewTransformationsFlipLR template <typename ViewTypes> inline // Models MPL Random Access Container of models of ImageViewConcept -typename dynamic_x_step_type<any_image_view<ViewTypes> >::type flipped_left_right_view(const any_image_view<ViewTypes>& src) { - return apply_operation(src,detail::flipped_left_right_view_fn<typename dynamic_x_step_type<any_image_view<ViewTypes> >::type>()); +typename dynamic_x_step_type<any_image_view<ViewTypes> >::type flipped_left_right_view(const any_image_view<ViewTypes>& src) { + return apply_operation(src,detail::flipped_left_right_view_fn<typename dynamic_x_step_type<any_image_view<ViewTypes> >::type>()); } /// \ingroup ImageViewTransformationsTransposed template <typename ViewTypes> inline // Models MPL Random Access Container of models of ImageViewConcept -typename dynamic_xy_step_transposed_type<any_image_view<ViewTypes> >::type transposed_view(const any_image_view<ViewTypes>& src) { - return apply_operation(src,detail::tranposed_view_fn<typename dynamic_xy_step_transposed_type<any_image_view<ViewTypes> >::type>()); +typename dynamic_xy_step_transposed_type<any_image_view<ViewTypes> >::type transposed_view(const any_image_view<ViewTypes>& src) { + return apply_operation(src,detail::tranposed_view_fn<typename dynamic_xy_step_transposed_type<any_image_view<ViewTypes> >::type>()); } /// \ingroup ImageViewTransformations90CW template <typename ViewTypes> inline // Models MPL Random Access Container of models of ImageViewConcept -typename dynamic_xy_step_transposed_type<any_image_view<ViewTypes> >::type rotated90cw_view(const any_image_view<ViewTypes>& src) { - return apply_operation(src,detail::rotated90cw_view_fn<typename dynamic_xy_step_transposed_type<any_image_view<ViewTypes> >::type>()); +typename dynamic_xy_step_transposed_type<any_image_view<ViewTypes> >::type rotated90cw_view(const any_image_view<ViewTypes>& src) { + return apply_operation(src,detail::rotated90cw_view_fn<typename dynamic_xy_step_transposed_type<any_image_view<ViewTypes> >::type>()); } /// \ingroup ImageViewTransformations90CCW template <typename ViewTypes> inline // Models MPL Random Access Container of models of ImageViewConcept -typename dynamic_xy_step_transposed_type<any_image_view<ViewTypes> >::type rotated90ccw_view(const any_image_view<ViewTypes>& src) { - return apply_operation(src,detail::rotated90ccw_view_fn<typename dynamic_xy_step_transposed_type<any_image_view<ViewTypes> >::type>()); +typename dynamic_xy_step_transposed_type<any_image_view<ViewTypes> >::type rotated90ccw_view(const any_image_view<ViewTypes>& src) { + return apply_operation(src,detail::rotated90ccw_view_fn<typename dynamic_xy_step_transposed_type<any_image_view<ViewTypes> >::type>()); } /// \ingroup ImageViewTransformations180 -template <typename ViewTypes> inline // Models MPL Random Access Container of models of ImageViewConcept -typename dynamic_xy_step_type<any_image_view<ViewTypes> >::type rotated180_view(const any_image_view<ViewTypes>& src) { - return apply_operation(src,detail::rotated180_view_fn<typename dynamic_xy_step_type<any_image_view<ViewTypes> >::type>()); +/// Models MPL Random Access Container of models of ImageViewConcept +template <typename ViewTypes> +inline auto rotated180_view(const any_image_view<ViewTypes>& src) + -> typename dynamic_xy_step_type<any_image_view<ViewTypes>>::type +{ + using step_type = typename dynamic_xy_step_type<any_image_view<ViewTypes>>::type; + return apply_operation(src, detail::rotated180_view_fn<step_type>()); } /// \ingroup ImageViewTransformationsSubimage -template <typename ViewTypes> inline // Models MPL Random Access Container of models of ImageViewConcept -any_image_view<ViewTypes> subimage_view(const any_image_view<ViewTypes>& src, const point2<std::ptrdiff_t>& topleft, const point2<std::ptrdiff_t>& dimensions) { - return apply_operation(src,detail::subimage_view_fn<any_image_view<ViewTypes> >(topleft,dimensions)); +/// // Models MPL Random Access Container of models of ImageViewConcept +template <typename ViewTypes> +inline auto subimage_view(any_image_view<ViewTypes> const& src, + point_t const& topleft, point_t const& dimensions) + -> any_image_view<ViewTypes> +{ + using subimage_view_fn = detail::subimage_view_fn<any_image_view<ViewTypes>>; + return apply_operation(src, subimage_view_fn(topleft, dimensions)); } /// \ingroup ImageViewTransformationsSubimage -template <typename ViewTypes> inline // Models MPL Random Access Container of models of ImageViewConcept -any_image_view<ViewTypes> subimage_view(const any_image_view<ViewTypes>& src, int xMin, int yMin, int width, int height) { - return apply_operation(src,detail::subimage_view_fn<any_image_view<ViewTypes> >(point2<std::ptrdiff_t>(xMin,yMin),point2<std::ptrdiff_t>(width,height))); +/// Models MPL Random Access Container of models of ImageViewConcept +template <typename ViewTypes> +inline auto subimage_view(any_image_view<ViewTypes> const& src, + int xMin, int yMin, int width, int height) + -> any_image_view<ViewTypes> +{ + using subimage_view_fn = detail::subimage_view_fn<any_image_view<ViewTypes>>; + return apply_operation(src, subimage_view_fn(point_t(xMin, yMin),point_t(width, height))); } /// \ingroup ImageViewTransformationsSubsampled -template <typename ViewTypes> inline // Models MPL Random Access Container of models of ImageViewConcept -typename dynamic_xy_step_type<any_image_view<ViewTypes> >::type subsampled_view(const any_image_view<ViewTypes>& src, const point2<std::ptrdiff_t>& step) { - return apply_operation(src,detail::subsampled_view_fn<typename dynamic_xy_step_type<any_image_view<ViewTypes> >::type>(step)); +/// Models MPL Random Access Container of models of ImageViewConcept +template <typename ViewTypes> +inline auto subsampled_view(any_image_view<ViewTypes> const& src, point_t const& step) + -> typename dynamic_xy_step_type<any_image_view<ViewTypes>>::type +{ + using step_type = typename dynamic_xy_step_type<any_image_view<ViewTypes>>::type; + using subsampled_view = detail::subsampled_view_fn<step_type>; + return apply_operation(src, subsampled_view(step)); } /// \ingroup ImageViewTransformationsSubsampled -template <typename ViewTypes> inline // Models MPL Random Access Container of models of ImageViewConcept -typename dynamic_xy_step_type<any_image_view<ViewTypes> >::type subsampled_view(const any_image_view<ViewTypes>& src, int xStep, int yStep) { - return apply_operation(src,detail::subsampled_view_fn<typename dynamic_xy_step_type<any_image_view<ViewTypes> >::type>(point2<std::ptrdiff_t>(xStep,yStep))); +/// Models MPL Random Access Container of models of ImageViewConcept +template <typename ViewTypes> +inline auto subsampled_view(any_image_view<ViewTypes> const& src, int xStep, int yStep) + -> typename dynamic_xy_step_type<any_image_view<ViewTypes>>::type +{ + using step_type = typename dynamic_xy_step_type<any_image_view<ViewTypes>>::type; + using subsampled_view_fn = detail::subsampled_view_fn<step_type>; + return apply_operation(src, subsampled_view_fn(point_t(xStep, yStep))); } namespace detail { @@ -156,8 +193,8 @@ struct nth_channel_view_type<any_image_view<ViewTypes> > { /// \ingroup ImageViewTransformationsNthChannel template <typename ViewTypes> inline // Models MPL Random Access Container of models of ImageViewConcept -typename nth_channel_view_type<any_image_view<ViewTypes> >::type nth_channel_view(const any_image_view<ViewTypes>& src, int n) { - return apply_operation(src,detail::nth_channel_view_fn<typename nth_channel_view_type<any_image_view<ViewTypes> >::type>(n)); +typename nth_channel_view_type<any_image_view<ViewTypes> >::type nth_channel_view(const any_image_view<ViewTypes>& src, int n) { + return apply_operation(src,detail::nth_channel_view_fn<typename nth_channel_view_type<any_image_view<ViewTypes> >::type>(n)); } namespace detail { @@ -176,7 +213,7 @@ struct color_converted_view_type<any_image_view<ViewTypes>,DstP,CC> { /// \brief overload of generic color_converted_view with user defined color-converter template <typename DstP, typename ViewTypes, typename CC> inline // Models MPL Random Access Container of models of ImageViewConcept typename color_converted_view_type<any_image_view<ViewTypes>, DstP, CC>::type color_converted_view(const any_image_view<ViewTypes>& src, CC) { - return apply_operation(src,detail::color_converted_view_fn<DstP,typename color_converted_view_type<any_image_view<ViewTypes>, DstP, CC>::type >()); + return apply_operation(src,detail::color_converted_view_fn<DstP,typename color_converted_view_type<any_image_view<ViewTypes>, DstP, CC>::type >()); } /// \ingroup ImageViewTransformationsColorConvert @@ -189,8 +226,8 @@ struct color_converted_view_type<any_image_view<ViewTypes>,DstP> { /// \ingroup ImageViewTransformationsColorConvert /// \brief overload of generic color_converted_view with the default color-converter template <typename DstP, typename ViewTypes> inline // Models MPL Random Access Container of models of ImageViewConcept -typename color_converted_view_type<any_image_view<ViewTypes>, DstP>::type color_converted_view(const any_image_view<ViewTypes>& src) { - return apply_operation(src,detail::color_converted_view_fn<DstP,typename color_converted_view_type<any_image_view<ViewTypes>, DstP>::type >()); +typename color_converted_view_type<any_image_view<ViewTypes>, DstP>::type color_converted_view(const any_image_view<ViewTypes>& src) { + return apply_operation(src,detail::color_converted_view_fn<DstP,typename color_converted_view_type<any_image_view<ViewTypes>, DstP>::type >()); } @@ -199,15 +236,15 @@ typename color_converted_view_type<any_image_view<ViewTypes>, DstP>::type color_ /// These are workarounds for GCC 3.4, which thinks color_converted_view is ambiguous with the same method for templated views (in gil/image_view_factory.hpp) template <typename DstP, typename ViewTypes, typename CC> inline // Models MPL Random Access Container of models of ImageViewConcept typename color_converted_view_type<any_image_view<ViewTypes>, DstP, CC>::type any_color_converted_view(const any_image_view<ViewTypes>& src, CC) { - return apply_operation(src,detail::color_converted_view_fn<DstP,typename color_converted_view_type<any_image_view<ViewTypes>, DstP, CC>::type >()); + return apply_operation(src,detail::color_converted_view_fn<DstP,typename color_converted_view_type<any_image_view<ViewTypes>, DstP, CC>::type >()); } /// \ingroup ImageViewTransformationsColorConvert /// \brief overload of generic color_converted_view with the default color-converter /// These are workarounds for GCC 3.4, which thinks color_converted_view is ambiguous with the same method for templated views (in gil/image_view_factory.hpp) template <typename DstP, typename ViewTypes> inline // Models MPL Random Access Container of models of ImageViewConcept -typename color_converted_view_type<any_image_view<ViewTypes>, DstP>::type any_color_converted_view(const any_image_view<ViewTypes>& src) { - return apply_operation(src,detail::color_converted_view_fn<DstP,typename color_converted_view_type<any_image_view<ViewTypes>, DstP>::type >()); +typename color_converted_view_type<any_image_view<ViewTypes>, DstP>::type any_color_converted_view(const any_image_view<ViewTypes>& src) { + return apply_operation(src,detail::color_converted_view_fn<DstP,typename color_converted_view_type<any_image_view<ViewTypes>, DstP>::type >()); } /// \} |