147 lines
6.0 KiB
C++
147 lines
6.0 KiB
C++
/*
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Copyright 2008 Intel Corporation
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Use, modification and distribution are subject to the Boost Software License,
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Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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http://www.boost.org/LICENSE_1_0.txt).
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*/
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#ifndef BOOST_POLYGON_POLYGON_45_SET_TRAITS_HPP
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#define BOOST_POLYGON_POLYGON_45_SET_TRAITS_HPP
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namespace boost { namespace polygon{
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//default definition of polygon 45 set traits works for any model of polygon 45, polygon 45 with holes or any vector or list thereof
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template <typename T>
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struct polygon_45_set_traits {
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typedef typename get_coordinate_type<T, typename geometry_concept<T>::type >::type coordinate_type;
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typedef typename get_iterator_type<T>::type iterator_type;
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typedef T operator_arg_type;
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static inline iterator_type begin(const T& polygon_set) {
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return get_iterator_type<T>::begin(polygon_set);
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}
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static inline iterator_type end(const T& polygon_set) {
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return get_iterator_type<T>::end(polygon_set);
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}
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static inline bool clean(const T& ) { return false; }
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static inline bool sorted(const T& ) { return false; }
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};
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template <typename T>
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struct is_45_polygonal_concept { typedef gtl_no type; };
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template <>
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struct is_45_polygonal_concept<polygon_45_concept> { typedef gtl_yes type; };
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template <>
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struct is_45_polygonal_concept<polygon_45_with_holes_concept> { typedef gtl_yes type; };
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template <>
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struct is_45_polygonal_concept<polygon_45_set_concept> { typedef gtl_yes type; };
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template <typename T>
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struct is_polygon_45_set_type {
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typedef typename is_45_polygonal_concept<typename geometry_concept<T>::type>::type type;
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};
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template <typename T>
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struct is_polygon_45_set_type<std::list<T> > {
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typedef typename gtl_or<
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typename is_45_polygonal_concept<typename geometry_concept<std::list<T> >::type>::type,
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typename is_45_polygonal_concept<typename geometry_concept<typename std::list<T>::value_type>::type>::type>::type type;
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};
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template <typename T>
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struct is_polygon_45_set_type<std::vector<T> > {
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typedef typename gtl_or<
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typename is_45_polygonal_concept<typename geometry_concept<std::vector<T> >::type>::type,
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typename is_45_polygonal_concept<typename geometry_concept<typename std::vector<T>::value_type>::type>::type>::type type;
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};
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template <typename T>
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struct is_mutable_polygon_45_set_type {
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typedef typename gtl_same_type<polygon_45_set_concept, typename geometry_concept<T>::type>::type type;
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};
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template <typename T>
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struct is_mutable_polygon_45_set_type<std::list<T> > {
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typedef typename gtl_or<
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typename gtl_same_type<polygon_45_set_concept, typename geometry_concept<std::list<T> >::type>::type,
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typename is_45_polygonal_concept<typename geometry_concept<typename std::list<T>::value_type>::type>::type>::type type;
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};
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template <typename T>
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struct is_mutable_polygon_45_set_type<std::vector<T> > {
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typedef typename gtl_or<
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typename gtl_same_type<polygon_45_set_concept, typename geometry_concept<std::vector<T> >::type>::type,
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typename is_45_polygonal_concept<typename geometry_concept<typename std::vector<T>::value_type>::type>::type>::type type;
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};
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template <typename T>
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bool fracture_holes_45_by_concept() { return false; }
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template <>
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inline bool fracture_holes_45_by_concept<polygon_45_concept>() { return true; }
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template <typename T, typename iT>
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void get_45_polygons_T(T& t, iT begin, iT end) {
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typedef typename polygon_45_set_traits<T>::coordinate_type Unit;
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typedef typename geometry_concept<typename T::value_type>::type CType;
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typename polygon_45_formation<Unit>::Polygon45Formation pf(fracture_holes_45_by_concept<CType>());
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//std::cout << "FORMING POLYGONS\n";
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pf.scan(t, begin, end);
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}
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template <typename T>
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struct polygon_45_set_mutable_traits {};
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template <typename T>
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struct polygon_45_set_mutable_traits<std::list<T> > {
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template <typename input_iterator_type>
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static inline void set(std::list<T>& polygon_set, input_iterator_type input_begin, input_iterator_type input_end) {
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polygon_set.clear();
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polygon_45_set_data<typename polygon_45_set_traits<std::list<T> >::coordinate_type> ps;
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ps.insert(input_begin, input_end);
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ps.sort();
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ps.clean();
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get_45_polygons_T(polygon_set, ps.begin(), ps.end());
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}
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};
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template <typename T>
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struct polygon_45_set_mutable_traits<std::vector<T> > {
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template <typename input_iterator_type>
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static inline void set(std::vector<T>& polygon_set, input_iterator_type input_begin, input_iterator_type input_end) {
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polygon_set.clear();
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polygon_45_set_data<typename polygon_45_set_traits<std::list<T> >::coordinate_type> ps;
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ps.insert(input_begin, input_end);
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ps.sort();
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ps.clean();
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get_45_polygons_T(polygon_set, ps.begin(), ps.end());
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}
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};
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template <typename T>
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struct polygon_45_set_mutable_traits<polygon_45_set_data<T> > {
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template <typename input_iterator_type>
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static inline void set(polygon_45_set_data<T>& polygon_set,
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input_iterator_type input_begin, input_iterator_type input_end) {
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polygon_set.set(input_begin, input_end);
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}
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};
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template <typename T>
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struct polygon_45_set_traits<polygon_45_set_data<T> > {
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typedef typename polygon_45_set_data<T>::coordinate_type coordinate_type;
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typedef typename polygon_45_set_data<T>::iterator_type iterator_type;
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typedef typename polygon_45_set_data<T>::operator_arg_type operator_arg_type;
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static inline iterator_type begin(const polygon_45_set_data<T>& polygon_set) {
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return polygon_set.begin();
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}
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static inline iterator_type end(const polygon_45_set_data<T>& polygon_set) {
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return polygon_set.end();
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}
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static inline bool clean(const polygon_45_set_data<T>& polygon_set) { polygon_set.clean(); return true; }
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static inline bool sorted(const polygon_45_set_data<T>& polygon_set) { polygon_set.sort(); return true; }
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};
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}
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}
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#endif
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