00001
00002
00003
00004
00005
00006
00007
00008
00009
00010
00011
00012 #ifndef GIL_DYNAMICIMAGE_ANY_IMAGE_HPP
00013 #define GIL_DYNAMICIMAGE_ANY_IMAGE_HPP
00014
00023
00024 #include "any_image_view.hpp"
00025 #include "../../image.hpp"
00026
00027 #ifdef _MSC_VER
00028 #pragma warning(push)
00029 #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)
00030 #endif
00031
00032 namespace boost { namespace gil {
00033
00034 namespace detail {
00035 template <typename T> struct get_view_t { typedef typename T::view_t type; };
00036 template <typename Images> struct images_get_views_t : public mpl::transform<Images, get_view_t<mpl::_1> > {};
00037
00038 template <typename T> struct get_const_view_t { typedef typename T::const_view_t type; };
00039 template <typename Images> struct images_get_const_views_t : public mpl::transform<Images, get_const_view_t<mpl::_1> > {};
00040
00041 struct recreate_image_fnobj {
00042 typedef void result_type;
00043 const point2<std::ptrdiff_t>& _dimensions;
00044 unsigned _alignment;
00045
00046 recreate_image_fnobj(const point2<std::ptrdiff_t>& dims, unsigned alignment) : _dimensions(dims), _alignment(alignment) {}
00047 template <typename Image> result_type operator()(Image& img) const { img.recreate(_dimensions,_alignment); }
00048 };
00049
00050 template <typename AnyView>
00051 struct any_image_get_view {
00052 typedef AnyView result_type;
00053 template <typename Image> result_type operator()( Image& img) const { return result_type(view(img)); }
00054 };
00055
00056 template <typename AnyConstView>
00057 struct any_image_get_const_view {
00058 typedef AnyConstView result_type;
00059 template <typename Image> result_type operator()(const Image& img) const { return result_type(const_view(img)); }
00060 };
00061 }
00062
00073 template <typename ImageTypes>
00074 class any_image : public variant<ImageTypes> {
00075 typedef variant<ImageTypes> parent_t;
00076 public:
00077 typedef any_image_view<typename detail::images_get_const_views_t<ImageTypes>::type> const_view_t;
00078 typedef any_image_view<typename detail::images_get_views_t<ImageTypes>::type> view_t;
00079 typedef std::ptrdiff_t x_coord_t;
00080 typedef std::ptrdiff_t y_coord_t;
00081 typedef point2<std::ptrdiff_t> point_t;
00082
00083 any_image() : parent_t() {}
00084 template <typename T> explicit any_image(const T& obj) : parent_t(obj) {}
00085 template <typename T> explicit any_image(T& obj, bool do_swap) : parent_t(obj,do_swap) {}
00086 any_image(const any_image& v) : parent_t((const parent_t&)v) {}
00087
00088 template <typename T> any_image& operator=(const T& obj) { parent_t::operator=(obj); return *this; }
00089 any_image& operator=(const any_image& v) { parent_t::operator=((const parent_t&)v); return *this;}
00090
00091 void recreate(const point_t& dims, unsigned alignment=1) { apply_operation(*this,detail::recreate_image_fnobj(dims,alignment)); }
00092 void recreate(x_coord_t width, y_coord_t height, unsigned alignment=1) { recreate(point2<std::ptrdiff_t>(width,height),alignment); }
00093
00094 std::size_t num_channels() const { return apply_operation(*this, detail::any_type_get_num_channels()); }
00095 point_t dimensions() const { return apply_operation(*this, detail::any_type_get_dimensions()); }
00096 x_coord_t width() const { return dimensions().x; }
00097 y_coord_t height() const { return dimensions().y; }
00098 };
00099
00103
00105
00107 template <typename Types> GIL_FORCEINLINE
00108 typename any_image<Types>::view_t view(any_image<Types>& anyImage) {
00109 return apply_operation(anyImage, detail::any_image_get_view<typename any_image<Types>::view_t>());
00110 }
00111
00113 template <typename Types> GIL_FORCEINLINE
00114 typename any_image<Types>::const_view_t const_view(const any_image<Types>& anyImage) {
00115 return apply_operation(anyImage, detail::any_image_get_const_view<typename any_image<Types>::const_view_t>());
00116 }
00118
00119 } }
00120
00121 #ifdef _MSC_VER
00122 #pragma warning(pop)
00123 #endif
00124
00125 #endif