/* Copyright 2008 Intel Corporation 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). */ #ifndef BOOST_POLYGON_POLYGON_90_SET_TRAITS_HPP #define BOOST_POLYGON_POLYGON_90_SET_TRAITS_HPP namespace boost { namespace polygon{ struct polygon_90_set_concept {}; template <typename T, typename T2> struct traits_by_concept {}; template <typename T> struct traits_by_concept<T, coordinate_concept> { typedef coordinate_traits<T> type; }; template <typename T> struct traits_by_concept<T, interval_concept> { typedef interval_traits<T> type; }; template <typename T> struct traits_by_concept<T, point_concept> { typedef point_traits<T> type; }; template <typename T> struct traits_by_concept<T, point_3d_concept> { typedef point_3d_traits<T> type; }; template <typename T> struct traits_by_concept<T, rectangle_concept> { typedef rectangle_traits<T> type; }; template <typename T> struct traits_by_concept<T, polygon_90_concept> { typedef polygon_traits<T> type; }; template <typename T> struct traits_by_concept<T, polygon_90_with_holes_concept> { typedef polygon_traits<T> type; }; template <typename T> struct traits_by_concept<T, polygon_45_concept> { typedef polygon_traits<T> type; }; template <typename T> struct traits_by_concept<T, polygon_45_with_holes_concept> { typedef polygon_traits<T> type; }; template <typename T> struct traits_by_concept<T, polygon_concept> { typedef polygon_traits<T> type; }; template <typename T> struct traits_by_concept<T, polygon_with_holes_concept> { typedef polygon_traits<T> type; }; struct polygon_45_set_concept; struct polygon_set_concept; template <typename T> struct polygon_90_set_traits; template <typename T> struct polygon_45_set_traits; template <typename T> struct polygon_set_traits; template <typename T> struct traits_by_concept<T, polygon_90_set_concept> { typedef polygon_90_set_traits<T> type; }; template <typename T> struct traits_by_concept<T, polygon_45_set_concept> { typedef polygon_45_set_traits<T> type; }; template <typename T> struct traits_by_concept<T, polygon_set_concept> { typedef polygon_set_traits<T> type; }; template <typename T, typename T2> struct get_coordinate_type { typedef typename traits_by_concept<T, T2>::type traits_type; typedef typename traits_type::coordinate_type type; }; //want to prevent recursive template definition syntax errors, so duplicate get_coordinate_type template <typename T, typename T2> struct get_coordinate_type_2 { typedef typename traits_by_concept<T, T2>::type traits_type; typedef typename traits_type::coordinate_type type; }; template <typename T> struct get_coordinate_type<T, undefined_concept> { typedef typename get_coordinate_type_2<typename std::iterator_traits <typename T::iterator>::value_type, typename geometry_concept<typename std::iterator_traits <typename T::iterator>::value_type>::type>::type type; }; template <typename T, typename T2> struct get_iterator_type_2 { typedef const T* type; static type begin(const T& t) { return &t; } static type end(const T& t) { const T* tp = &t; ++tp; return tp; } }; template <typename T> struct get_iterator_type { typedef get_iterator_type_2<T, typename geometry_concept<T>::type> indirect_type; typedef typename indirect_type::type type; static type begin(const T& t) { return indirect_type::begin(t); } static type end(const T& t) { return indirect_type::end(t); } }; template <typename T> struct get_iterator_type_2<T, undefined_concept> { typedef typename T::const_iterator type; static type begin(const T& t) { return t.begin(); } static type end(const T& t) { return t.end(); } }; // //helpers for allowing polygon 45 and containers of polygon 45 to behave interchangably in polygon_45_set_traits // template <typename T, typename T2> // struct get_coordinate_type_45 {}; // template <typename T, typename T2> // struct get_coordinate_type_2_45 {}; // template <typename T> // struct get_coordinate_type_45<T, void> { // typedef typename get_coordinate_type_2_45< typename T::value_type, typename geometry_concept<typename T::value_type>::type >::type type; }; // template <typename T> // struct get_coordinate_type_45<T, polygon_45_concept> { typedef typename polygon_traits<T>::coordinate_type type; }; // template <typename T> // struct get_coordinate_type_45<T, polygon_45_with_holes_concept> { typedef typename polygon_traits<T>::coordinate_type type; }; // template <typename T> // struct get_coordinate_type_2_45<T, polygon_45_concept> { typedef typename polygon_traits<T>::coordinate_type type; }; // template <typename T> // struct get_coordinate_type_2_45<T, polygon_45_with_holes_concept> { typedef typename polygon_traits<T>::coordinate_type type; }; // template <typename T, typename T2> // struct get_iterator_type_45 {}; // template <typename T> // struct get_iterator_type_45<T, void> { // typedef typename T::const_iterator type; // static type begin(const T& t) { return t.begin(); } // static type end(const T& t) { return t.end(); } // }; // template <typename T> // struct get_iterator_type_45<T, polygon_45_concept> { // typedef const T* type; // static type begin(const T& t) { return &t; } // static type end(const T& t) { const T* tp = &t; ++tp; return tp; } // }; // template <typename T> // struct get_iterator_type_45<T, polygon_45_with_holes_concept> { // typedef const T* type; // static type begin(const T& t) { return &t; } // static type end(const T& t) { const T* tp = &t; ++tp; return tp; } // }; // template <typename T> // struct get_iterator_type_45<T, polygon_90_set_concept> { // typedef const T* type; // static type begin(const T& t) { return &t; } // static type end(const T& t) { const T* tp = &t; ++tp; return tp; } // }; template <typename T> struct polygon_90_set_traits { typedef typename get_coordinate_type<T, typename geometry_concept<T>::type >::type coordinate_type; typedef get_iterator_type<T> indirection_type; typedef typename get_iterator_type<T>::type iterator_type; typedef T operator_arg_type; static inline iterator_type begin(const T& polygon_set) { return indirection_type::begin(polygon_set); } static inline iterator_type end(const T& polygon_set) { return indirection_type::end(polygon_set); } static inline orientation_2d orient(const T&) { return HORIZONTAL; } static inline bool clean(const T&) { return false; } static inline bool sorted(const T&) { return false; } }; template <typename T> struct is_manhattan_polygonal_concept { typedef gtl_no type; }; template <> struct is_manhattan_polygonal_concept<rectangle_concept> { typedef gtl_yes type; }; template <> struct is_manhattan_polygonal_concept<polygon_90_concept> { typedef gtl_yes type; }; template <> struct is_manhattan_polygonal_concept<polygon_90_with_holes_concept> { typedef gtl_yes type; }; template <> struct is_manhattan_polygonal_concept<polygon_90_set_concept> { typedef gtl_yes type; }; template <typename T> struct is_polygon_90_set_type { typedef typename is_manhattan_polygonal_concept<typename geometry_concept<T>::type>::type type; }; template <typename T> struct is_polygon_90_set_type<std::list<T> > { typedef typename gtl_or< typename is_manhattan_polygonal_concept<typename geometry_concept<std::list<T> >::type>::type, typename is_manhattan_polygonal_concept<typename geometry_concept<typename std::list<T>::value_type>::type>::type>::type type; }; template <typename T> struct is_polygon_90_set_type<std::vector<T> > { typedef typename gtl_or< typename is_manhattan_polygonal_concept<typename geometry_concept<std::vector<T> >::type>::type, typename is_manhattan_polygonal_concept<typename geometry_concept<typename std::vector<T>::value_type>::type>::type>::type type; }; template <typename T> struct is_mutable_polygon_90_set_type { typedef typename gtl_same_type<polygon_90_set_concept, typename geometry_concept<T>::type>::type type; }; template <typename T> struct is_mutable_polygon_90_set_type<std::list<T> > { typedef typename gtl_or< typename gtl_same_type<polygon_90_set_concept, typename geometry_concept<std::list<T> >::type>::type, typename is_manhattan_polygonal_concept<typename geometry_concept<typename std::list<T>::value_type>::type>::type>::type type; }; template <typename T> struct is_mutable_polygon_90_set_type<std::vector<T> > { typedef typename gtl_or< typename gtl_same_type<polygon_90_set_concept, typename geometry_concept<std::vector<T> >::type>::type, typename is_manhattan_polygonal_concept<typename geometry_concept<typename std::vector<T>::value_type>::type>::type>::type type; }; // //specialization for rectangle, polygon_90 and polygon_90_with_holes types // template <typename T> // struct polygon_90_set_traits // typedef typename geometry_concept<T>::type concept_type; // typedef typename get_coordinate_type<T, concept_type>::type coordinate_type; // typedef iterator_geometry_to_set<concept_type, T> iterator_type; // typedef T operator_arg_type; // static inline iterator_type begin(const T& polygon_set) { // return iterator_geometry_to_set<concept_type, T>(polygon_set, LOW, HORIZONTAL); // } // static inline iterator_type end(const T& polygon_set) { // return iterator_geometry_to_set<concept_type, T>(polygon_set, HIGH, HORIZONTAL); // } // static inline orientation_2d orient(const T& polygon_set) { return HORIZONTAL; } // static inline bool clean(const T& polygon_set) { return false; } // static inline bool sorted(const T& polygon_set) { return false; } // }; // //specialization for containers of recangle, polygon_90, polygon_90_with_holes // template <typename T> // struct polygon_90_set_traits<T, typename is_manhattan_polygonal_concept<typename std::iterator_traits<typename T::iterator>::value_type>::type> { // typedef typename std::iterator_traits<typename T::iterator>::value_type geometry_type; // typedef typename geometry_concept<geometry_type>::type concept_type; // typedef typename get_coordinate_type<geometry_type, concept_type>::type coordinate_type; // typedef iterator_geometry_range_to_set<concept_type, typename T::const_iterator> iterator_type; // typedef T operator_arg_type; // static inline iterator_type begin(const T& polygon_set) { // return iterator_type(polygon_set.begin(), HORIZONTAL); // } // static inline iterator_type end(const T& polygon_set) { // return iterator_type(polygon_set.end(), HORIZONTAL); // } // static inline orientation_2d orient(const T& polygon_set) { return HORIZONTAL; } // static inline bool clean(const T& polygon_set) { return false; } // static inline bool sorted(const T& polygon_set) { return false; } // }; //get dispatch functions template <typename output_container_type, typename pst> void get_90_dispatch(output_container_type& output, const pst& ps, orientation_2d orient, rectangle_concept ) { form_rectangles(output, ps.begin(), ps.end(), orient, rectangle_concept()); } template <typename output_container_type, typename pst> void get_90_dispatch(output_container_type& output, const pst& ps, orientation_2d orient, polygon_90_concept tag) { get_polygons(output, ps.begin(), ps.end(), orient, true, tag); } template <typename output_container_type, typename pst> void get_90_dispatch(output_container_type& output, const pst& ps, orientation_2d orient, polygon_90_with_holes_concept tag) { get_polygons(output, ps.begin(), ps.end(), orient, false, tag); } //by default works with containers of rectangle, polygon or polygon with holes //must be specialized to work with anything else template <typename T> struct polygon_90_set_mutable_traits {}; template <typename T> struct polygon_90_set_mutable_traits<std::list<T> > { typedef typename geometry_concept<T>::type concept_type; template <typename input_iterator_type> static inline void set(std::list<T>& polygon_set, input_iterator_type input_begin, input_iterator_type input_end, orientation_2d orient) { polygon_set.clear(); polygon_90_set_data<typename polygon_90_set_traits<std::list<T> >::coordinate_type> ps(orient); ps.insert(input_begin, input_end, orient); ps.clean(); get_90_dispatch(polygon_set, ps, orient, concept_type()); } }; template <typename T> struct polygon_90_set_mutable_traits<std::vector<T> > { typedef typename geometry_concept<T>::type concept_type; template <typename input_iterator_type> static inline void set(std::vector<T>& polygon_set, input_iterator_type input_begin, input_iterator_type input_end, orientation_2d orient) { polygon_set.clear(); polygon_90_set_data<typename polygon_90_set_traits<std::list<T> >::coordinate_type> ps(orient); ps.insert(input_begin, input_end, orient); ps.clean(); get_90_dispatch(polygon_set, ps, orient, concept_type()); } }; template <typename T> struct polygon_90_set_mutable_traits<polygon_90_set_data<T> > { template <typename input_iterator_type> static inline void set(polygon_90_set_data<T>& polygon_set, input_iterator_type input_begin, input_iterator_type input_end, orientation_2d orient) { polygon_set.clear(); polygon_set.insert(input_begin, input_end, orient); } }; template <typename T> struct polygon_90_set_traits<polygon_90_set_data<T> > { typedef typename polygon_90_set_data<T>::coordinate_type coordinate_type; typedef typename polygon_90_set_data<T>::iterator_type iterator_type; typedef typename polygon_90_set_data<T>::operator_arg_type operator_arg_type; static inline iterator_type begin(const polygon_90_set_data<T>& polygon_set) { return polygon_set.begin(); } static inline iterator_type end(const polygon_90_set_data<T>& polygon_set) { return polygon_set.end(); } static inline orientation_2d orient(const polygon_90_set_data<T>& polygon_set) { return polygon_set.orient(); } static inline bool clean(const polygon_90_set_data<T>& polygon_set) { polygon_set.clean(); return true; } static inline bool sorted(const polygon_90_set_data<T>& polygon_set) { polygon_set.sort(); return true; } }; template <typename T> struct is_polygon_90_set_concept { }; template <> struct is_polygon_90_set_concept<polygon_90_set_concept> { typedef gtl_yes type; }; template <> struct is_polygon_90_set_concept<rectangle_concept> { typedef gtl_yes type; }; template <> struct is_polygon_90_set_concept<polygon_90_concept> { typedef gtl_yes type; }; template <> struct is_polygon_90_set_concept<polygon_90_with_holes_concept> { typedef gtl_yes type; }; template <typename T> struct is_mutable_polygon_90_set_concept { typedef gtl_no type; }; template <> struct is_mutable_polygon_90_set_concept<polygon_90_set_concept> { typedef gtl_yes type; }; template <typename T> struct geometry_concept<polygon_90_set_data<T> > { typedef polygon_90_set_concept type; }; //template <typename T> //typename enable_if<typename is_polygon_90_set_type<T>::type, void>::type //print_is_polygon_90_set_concept(const T& t) { std::cout << "is polygon 90 set concept\n"; } //template <typename T> //typename enable_if<typename is_mutable_polygon_90_set_type<T>::type, void>::type //print_is_mutable_polygon_90_set_concept(const T& t) { std::cout << "is mutable polygon 90 set concept\n"; } } } #endif