Chris@16: /*
Chris@16:   Copyright 2008 Intel Corporation
Chris@16: 
Chris@16:   Use, modification and distribution are subject to the Boost Software License,
Chris@16:   Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
Chris@16:   http://www.boost.org/LICENSE_1_0.txt).
Chris@16: */
Chris@16: #ifndef BOOST_POLYGON_POLYGON_90_SET_TRAITS_HPP
Chris@16: #define BOOST_POLYGON_POLYGON_90_SET_TRAITS_HPP
Chris@16: namespace boost { namespace polygon{
Chris@16: 
Chris@16:   struct polygon_90_set_concept {};
Chris@16: 
Chris@16:   template <typename T, typename T2>
Chris@16:   struct traits_by_concept {};
Chris@16:   template <typename T>
Chris@16:   struct traits_by_concept<T, coordinate_concept> { typedef coordinate_traits<T> type; };
Chris@16:   template <typename T>
Chris@16:   struct traits_by_concept<T, interval_concept> { typedef interval_traits<T> type; };
Chris@16:   template <typename T>
Chris@16:   struct traits_by_concept<T, point_concept> { typedef point_traits<T> type; };
Chris@16:   template <typename T>
Chris@16:   struct traits_by_concept<T, rectangle_concept> { typedef rectangle_traits<T> type; };
Chris@16:   template <typename T>
Chris@16:   struct traits_by_concept<T, segment_concept> { typedef segment_traits<T> type; };
Chris@16:   template <typename T>
Chris@16:   struct traits_by_concept<T, polygon_90_concept> { typedef polygon_traits<T> type; };
Chris@16:   template <typename T>
Chris@16:   struct traits_by_concept<T, polygon_90_with_holes_concept> { typedef polygon_traits<T> type; };
Chris@16:   template <typename T>
Chris@16:   struct traits_by_concept<T, polygon_45_concept> { typedef polygon_traits<T> type; };
Chris@16:   template <typename T>
Chris@16:   struct traits_by_concept<T, polygon_45_with_holes_concept> { typedef polygon_traits<T> type; };
Chris@16:   template <typename T>
Chris@16:   struct traits_by_concept<T, polygon_concept> { typedef polygon_traits<T> type; };
Chris@16:   template <typename T>
Chris@16:   struct traits_by_concept<T, polygon_with_holes_concept> { typedef polygon_traits<T> type; };
Chris@16: 
Chris@16:   struct polygon_45_set_concept;
Chris@16:   struct polygon_set_concept;
Chris@16:   template <typename T>
Chris@16:   struct polygon_90_set_traits;
Chris@16:   template <typename T>
Chris@16:   struct polygon_45_set_traits;
Chris@16:   template <typename T>
Chris@16:   struct polygon_set_traits;
Chris@16:   template <typename T>
Chris@16:   struct traits_by_concept<T, polygon_90_set_concept> { typedef polygon_90_set_traits<T> type; };
Chris@16:   template <typename T>
Chris@16:   struct traits_by_concept<T, polygon_45_set_concept> { typedef polygon_45_set_traits<T> type; };
Chris@16:   template <typename T>
Chris@16:   struct traits_by_concept<T, polygon_set_concept> { typedef polygon_set_traits<T> type; };
Chris@16: 
Chris@16:   template <typename T, typename T2>
Chris@16:   struct get_coordinate_type {
Chris@16:     typedef typename traits_by_concept<T, T2>::type traits_type;
Chris@16:     typedef typename traits_type::coordinate_type type;
Chris@16:   };
Chris@16:   //want to prevent recursive template definition syntax errors, so duplicate get_coordinate_type
Chris@16:   template <typename T, typename T2>
Chris@16:   struct get_coordinate_type_2 {
Chris@16:     typedef typename traits_by_concept<T, T2>::type traits_type;
Chris@16:     typedef typename traits_type::coordinate_type type;
Chris@16:   };
Chris@16:   template <typename T>
Chris@16:   struct get_coordinate_type<T, undefined_concept> {
Chris@16:     typedef typename get_coordinate_type_2<typename std::iterator_traits
Chris@16:                                            <typename T::iterator>::value_type,
Chris@16:                                            typename geometry_concept<typename std::iterator_traits
Chris@16:                                                                      <typename T::iterator>::value_type>::type>::type type; };
Chris@16: 
Chris@16:   template <typename T, typename T2>
Chris@16:   struct get_iterator_type_2 {
Chris@16:     typedef const T* type;
Chris@16:     static type begin(const T& t) { return &t; }
Chris@16:     static type end(const T& t) { const T* tp = &t; ++tp; return tp; }
Chris@16:   };
Chris@16:   template <typename T>
Chris@16:   struct get_iterator_type {
Chris@16:     typedef get_iterator_type_2<T, typename geometry_concept<T>::type> indirect_type;
Chris@16:     typedef typename indirect_type::type type;
Chris@16:     static type begin(const T& t) { return indirect_type::begin(t); }
Chris@16:     static type end(const T& t) { return indirect_type::end(t); }
Chris@16:   };
Chris@16:   template <typename T>
Chris@16:   struct get_iterator_type_2<T, undefined_concept> {
Chris@16:     typedef typename T::const_iterator type;
Chris@16:     static type begin(const T& t) { return t.begin(); }
Chris@16:     static type end(const T& t) { return t.end(); }
Chris@16:   };
Chris@16: 
Chris@16: //   //helpers for allowing polygon 45 and containers of polygon 45 to behave interchangably in polygon_45_set_traits
Chris@16: //   template <typename T, typename T2>
Chris@16: //   struct get_coordinate_type_45 {};
Chris@16: //   template <typename T, typename T2>
Chris@16: //   struct get_coordinate_type_2_45 {};
Chris@16: //   template <typename T>
Chris@16: //   struct get_coordinate_type_45<T, void> {
Chris@16: //     typedef typename get_coordinate_type_2_45< typename T::value_type, typename geometry_concept<typename T::value_type>::type >::type type; };
Chris@16: //   template <typename T>
Chris@16: //   struct get_coordinate_type_45<T, polygon_45_concept> { typedef typename polygon_traits<T>::coordinate_type type; };
Chris@16: //   template <typename T>
Chris@16: //   struct get_coordinate_type_45<T, polygon_45_with_holes_concept> { typedef typename polygon_traits<T>::coordinate_type type; };
Chris@16: //   template <typename T>
Chris@16: //   struct get_coordinate_type_2_45<T, polygon_45_concept> { typedef typename polygon_traits<T>::coordinate_type type; };
Chris@16: //   template <typename T>
Chris@16: //   struct get_coordinate_type_2_45<T, polygon_45_with_holes_concept> { typedef typename polygon_traits<T>::coordinate_type type; };
Chris@16: //   template <typename T, typename T2>
Chris@16: //   struct get_iterator_type_45 {};
Chris@16: //   template <typename T>
Chris@16: //   struct get_iterator_type_45<T, void> {
Chris@16: //     typedef typename T::const_iterator type;
Chris@16: //     static type begin(const T& t) { return t.begin(); }
Chris@16: //     static type end(const T& t) { return t.end(); }
Chris@16: //   };
Chris@16: //   template <typename T>
Chris@16: //   struct get_iterator_type_45<T, polygon_45_concept> {
Chris@16: //     typedef const T* type;
Chris@16: //     static type begin(const T& t) { return &t; }
Chris@16: //     static type end(const T& t) { const T* tp = &t; ++tp; return tp; }
Chris@16: //   };
Chris@16: //   template <typename T>
Chris@16: //   struct get_iterator_type_45<T, polygon_45_with_holes_concept> {
Chris@16: //     typedef const T* type;
Chris@16: //     static type begin(const T& t) { return &t; }
Chris@16: //     static type end(const T& t) { const T* tp = &t; ++tp; return tp; }
Chris@16: //   };
Chris@16: //   template <typename T>
Chris@16: //   struct get_iterator_type_45<T, polygon_90_set_concept> {
Chris@16: //     typedef const T* type;
Chris@16: //     static type begin(const T& t) { return &t; }
Chris@16: //     static type end(const T& t) { const T* tp = &t; ++tp; return tp; }
Chris@16: //   };
Chris@16: 
Chris@16:   template <typename T>
Chris@16:   struct polygon_90_set_traits {
Chris@16:     typedef typename get_coordinate_type<T, typename geometry_concept<T>::type >::type coordinate_type;
Chris@16:     typedef get_iterator_type<T> indirection_type;
Chris@16:     typedef typename get_iterator_type<T>::type iterator_type;
Chris@16:     typedef T operator_arg_type;
Chris@16: 
Chris@16:     static inline iterator_type begin(const T& polygon_set) {
Chris@16:       return indirection_type::begin(polygon_set);
Chris@16:     }
Chris@16: 
Chris@16:     static inline iterator_type end(const T& polygon_set) {
Chris@16:       return indirection_type::end(polygon_set);
Chris@16:     }
Chris@16: 
Chris@16:     static inline orientation_2d orient(const T&) { return HORIZONTAL; }
Chris@16: 
Chris@16:     static inline bool clean(const T&) { return false; }
Chris@16: 
Chris@16:     static inline bool sorted(const T&) { return false; }
Chris@16:   };
Chris@16: 
Chris@16:   template <typename T>
Chris@16:   struct is_manhattan_polygonal_concept { typedef gtl_no type; };
Chris@16:   template <>
Chris@16:   struct is_manhattan_polygonal_concept<rectangle_concept> { typedef gtl_yes type; };
Chris@16:   template <>
Chris@16:   struct is_manhattan_polygonal_concept<polygon_90_concept> { typedef gtl_yes type; };
Chris@16:   template <>
Chris@16:   struct is_manhattan_polygonal_concept<polygon_90_with_holes_concept> { typedef gtl_yes type; };
Chris@16:   template <>
Chris@16:   struct is_manhattan_polygonal_concept<polygon_90_set_concept> { typedef gtl_yes type; };
Chris@16: 
Chris@16:   template <typename T>
Chris@16:   struct is_polygon_90_set_type {
Chris@16:     typedef typename is_manhattan_polygonal_concept<typename geometry_concept<T>::type>::type type;
Chris@16:   };
Chris@16:   template <typename T>
Chris@16:   struct is_polygon_90_set_type<std::list<T> > {
Chris@16:     typedef typename gtl_or<
Chris@16:       typename is_manhattan_polygonal_concept<typename geometry_concept<std::list<T> >::type>::type,
Chris@16:       typename is_manhattan_polygonal_concept<typename geometry_concept<typename std::list<T>::value_type>::type>::type>::type type;
Chris@16:   };
Chris@16:   template <typename T>
Chris@16:   struct is_polygon_90_set_type<std::vector<T> > {
Chris@16:     typedef typename gtl_or<
Chris@16:       typename is_manhattan_polygonal_concept<typename geometry_concept<std::vector<T> >::type>::type,
Chris@16:       typename is_manhattan_polygonal_concept<typename geometry_concept<typename std::vector<T>::value_type>::type>::type>::type type;
Chris@16:   };
Chris@16: 
Chris@16:   template <typename T>
Chris@16:   struct is_mutable_polygon_90_set_type {
Chris@16:     typedef typename gtl_same_type<polygon_90_set_concept, typename geometry_concept<T>::type>::type type;
Chris@16:   };
Chris@16:   template <typename T>
Chris@16:   struct is_mutable_polygon_90_set_type<std::list<T> > {
Chris@16:     typedef typename gtl_or<
Chris@16:       typename gtl_same_type<polygon_90_set_concept, typename geometry_concept<std::list<T> >::type>::type,
Chris@16:       typename is_manhattan_polygonal_concept<typename geometry_concept<typename std::list<T>::value_type>::type>::type>::type type;
Chris@16:   };
Chris@16:   template <typename T>
Chris@16:   struct is_mutable_polygon_90_set_type<std::vector<T> > {
Chris@16:     typedef typename gtl_or<
Chris@16:       typename gtl_same_type<polygon_90_set_concept, typename geometry_concept<std::vector<T> >::type>::type,
Chris@16:       typename is_manhattan_polygonal_concept<typename geometry_concept<typename std::vector<T>::value_type>::type>::type>::type type;
Chris@16:   };
Chris@16: 
Chris@16: //   //specialization for rectangle, polygon_90 and polygon_90_with_holes types
Chris@16: //   template <typename T>
Chris@16: //   struct polygon_90_set_traits
Chris@16: //     typedef typename geometry_concept<T>::type concept_type;
Chris@16: //     typedef typename get_coordinate_type<T, concept_type>::type coordinate_type;
Chris@16: //     typedef iterator_geometry_to_set<concept_type, T> iterator_type;
Chris@16: //     typedef T operator_arg_type;
Chris@16: 
Chris@16: //     static inline iterator_type begin(const T& polygon_set) {
Chris@16: //       return iterator_geometry_to_set<concept_type, T>(polygon_set, LOW, HORIZONTAL);
Chris@16: //     }
Chris@16: 
Chris@16: //     static inline iterator_type end(const T& polygon_set) {
Chris@16: //       return iterator_geometry_to_set<concept_type, T>(polygon_set, HIGH, HORIZONTAL);
Chris@16: //     }
Chris@16: 
Chris@16: //     static inline orientation_2d orient(const T& polygon_set) { return HORIZONTAL; }
Chris@16: 
Chris@16: //     static inline bool clean(const T& polygon_set) { return false; }
Chris@16: 
Chris@16: //     static inline bool sorted(const T& polygon_set) { return false; }
Chris@16: 
Chris@16: //   };
Chris@16: 
Chris@16: //   //specialization for containers of recangle, polygon_90, polygon_90_with_holes
Chris@16: //   template <typename T>
Chris@16: //   struct polygon_90_set_traits<T, typename is_manhattan_polygonal_concept<typename std::iterator_traits<typename T::iterator>::value_type>::type> {
Chris@16: //     typedef typename std::iterator_traits<typename T::iterator>::value_type geometry_type;
Chris@16: //     typedef typename geometry_concept<geometry_type>::type concept_type;
Chris@16: //     typedef typename get_coordinate_type<geometry_type, concept_type>::type coordinate_type;
Chris@16: //     typedef iterator_geometry_range_to_set<concept_type, typename T::const_iterator> iterator_type;
Chris@16: //     typedef T operator_arg_type;
Chris@16: 
Chris@16: //     static inline iterator_type begin(const T& polygon_set) {
Chris@16: //       return iterator_type(polygon_set.begin(), HORIZONTAL);
Chris@16: //     }
Chris@16: 
Chris@16: //     static inline iterator_type end(const T& polygon_set) {
Chris@16: //       return iterator_type(polygon_set.end(), HORIZONTAL);
Chris@16: //     }
Chris@16: 
Chris@16: //     static inline orientation_2d orient(const T& polygon_set) { return HORIZONTAL; }
Chris@16: 
Chris@16: //     static inline bool clean(const T& polygon_set) { return false; }
Chris@16: 
Chris@16: //     static inline bool sorted(const T& polygon_set) { return false; }
Chris@16: 
Chris@16: //   };
Chris@16: 
Chris@16:   //get dispatch functions
Chris@16:   template <typename output_container_type, typename pst>
Chris@16:   void get_90_dispatch(output_container_type& output, const pst& ps,
Chris@16:                        orientation_2d orient, rectangle_concept ) {
Chris@16:     form_rectangles(output, ps.begin(), ps.end(), orient, rectangle_concept());
Chris@16:   }
Chris@16: 
Chris@16:   template <typename output_container_type, typename pst>
Chris@16:   void get_90_dispatch(output_container_type& output, const pst& ps,
Chris@16:                        orientation_2d orient, polygon_90_concept tag) {
Chris@16:     get_polygons(output, ps.begin(), ps.end(), orient, true, tag);
Chris@16:   }
Chris@16: 
Chris@16:   template <typename output_container_type, typename pst>
Chris@16:   void get_90_dispatch(output_container_type& output, const pst& ps,
Chris@16:                        orientation_2d orient, polygon_90_with_holes_concept tag) {
Chris@16:     get_polygons(output, ps.begin(), ps.end(), orient, false, tag);
Chris@16:   }
Chris@16: 
Chris@16:   //by default works with containers of rectangle, polygon or polygon with holes
Chris@16:   //must be specialized to work with anything else
Chris@16:   template <typename T>
Chris@16:   struct polygon_90_set_mutable_traits {};
Chris@16:   template <typename T>
Chris@16:   struct polygon_90_set_mutable_traits<std::list<T> > {
Chris@16:     typedef typename geometry_concept<T>::type concept_type;
Chris@16:     template <typename input_iterator_type>
Chris@16:     static inline void set(std::list<T>& polygon_set, input_iterator_type input_begin, input_iterator_type input_end, orientation_2d orient) {
Chris@16:       polygon_set.clear();
Chris@16:       polygon_90_set_data<typename polygon_90_set_traits<std::list<T> >::coordinate_type> ps(orient);
Chris@16:       ps.reserve(std::distance(input_begin, input_end));
Chris@16:       ps.insert(input_begin, input_end, orient);
Chris@16:       ps.clean();
Chris@16:       get_90_dispatch(polygon_set, ps, orient, concept_type());
Chris@16:     }
Chris@16:   };
Chris@16:   template <typename T>
Chris@16:   struct polygon_90_set_mutable_traits<std::vector<T> > {
Chris@16:     typedef typename geometry_concept<T>::type concept_type;
Chris@16:     template <typename input_iterator_type>
Chris@16:     static inline void set(std::vector<T>& polygon_set, input_iterator_type input_begin, input_iterator_type input_end, orientation_2d orient) {
Chris@16:       polygon_set.clear();
Chris@16:       size_t num_ele = std::distance(input_begin, input_end);
Chris@16:       polygon_set.reserve(num_ele);
Chris@16:       polygon_90_set_data<typename polygon_90_set_traits<std::list<T> >::coordinate_type> ps(orient);
Chris@16:       ps.reserve(num_ele);
Chris@16:       ps.insert(input_begin, input_end, orient);
Chris@16:       ps.clean();
Chris@16:       get_90_dispatch(polygon_set, ps, orient, concept_type());
Chris@16:     }
Chris@16:   };
Chris@16: 
Chris@16:   template <typename T>
Chris@16:   struct polygon_90_set_mutable_traits<polygon_90_set_data<T> > {
Chris@16: 
Chris@16:     template <typename input_iterator_type>
Chris@16:     static inline void set(polygon_90_set_data<T>& polygon_set,
Chris@16:                            input_iterator_type input_begin, input_iterator_type input_end,
Chris@16:                            orientation_2d orient) {
Chris@16:       polygon_set.clear();
Chris@16:       polygon_set.reserve(std::distance(input_begin, input_end));
Chris@16:       polygon_set.insert(input_begin, input_end, orient);
Chris@16:     }
Chris@16: 
Chris@16:   };
Chris@16: 
Chris@16:   template <typename T>
Chris@16:   struct polygon_90_set_traits<polygon_90_set_data<T> > {
Chris@16:     typedef typename polygon_90_set_data<T>::coordinate_type coordinate_type;
Chris@16:     typedef typename polygon_90_set_data<T>::iterator_type iterator_type;
Chris@16:     typedef typename polygon_90_set_data<T>::operator_arg_type operator_arg_type;
Chris@16: 
Chris@16:     static inline iterator_type begin(const polygon_90_set_data<T>& polygon_set) {
Chris@16:       return polygon_set.begin();
Chris@16:     }
Chris@16: 
Chris@16:     static inline iterator_type end(const polygon_90_set_data<T>& polygon_set) {
Chris@16:       return polygon_set.end();
Chris@16:     }
Chris@16: 
Chris@16:     static inline orientation_2d orient(const polygon_90_set_data<T>& polygon_set) { return polygon_set.orient(); }
Chris@16: 
Chris@16:     static inline bool clean(const polygon_90_set_data<T>& polygon_set) { polygon_set.clean(); return true; }
Chris@16: 
Chris@16:     static inline bool sorted(const polygon_90_set_data<T>& polygon_set) { polygon_set.sort(); return true; }
Chris@16: 
Chris@16:   };
Chris@16: 
Chris@16:   template <typename T>
Chris@16:   struct is_polygon_90_set_concept { };
Chris@16:   template <>
Chris@16:   struct is_polygon_90_set_concept<polygon_90_set_concept> { typedef gtl_yes type; };
Chris@16:   template <>
Chris@16:   struct is_polygon_90_set_concept<rectangle_concept> { typedef gtl_yes type; };
Chris@16:   template <>
Chris@16:   struct is_polygon_90_set_concept<polygon_90_concept> { typedef gtl_yes type; };
Chris@16:   template <>
Chris@16:   struct is_polygon_90_set_concept<polygon_90_with_holes_concept> { typedef gtl_yes type; };
Chris@16: 
Chris@16:   template <typename T>
Chris@16:   struct is_mutable_polygon_90_set_concept { typedef gtl_no type; };
Chris@16:   template <>
Chris@16:   struct is_mutable_polygon_90_set_concept<polygon_90_set_concept> { typedef gtl_yes type; };
Chris@16: 
Chris@16:   template <typename T>
Chris@16:   struct geometry_concept<polygon_90_set_data<T> > { typedef polygon_90_set_concept type; };
Chris@16: 
Chris@16:   //template <typename T>
Chris@16:   //typename enable_if<typename is_polygon_90_set_type<T>::type, void>::type
Chris@16:   //print_is_polygon_90_set_concept(const T& t) { std::cout << "is polygon 90 set concept\n"; }
Chris@16:   //template <typename T>
Chris@16:   //typename enable_if<typename is_mutable_polygon_90_set_type<T>::type, void>::type
Chris@16:   //print_is_mutable_polygon_90_set_concept(const T& t) { std::cout << "is mutable polygon 90 set concept\n"; }
Chris@16: }
Chris@16: }
Chris@16: #endif