367 lines
16 KiB
C++
367 lines
16 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_90_SET_TRAITS_HPP
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#define BOOST_POLYGON_POLYGON_90_SET_TRAITS_HPP
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namespace boost { namespace polygon{
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struct polygon_90_set_concept {};
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template <typename T, typename T2>
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struct traits_by_concept {};
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template <typename T>
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struct traits_by_concept<T, coordinate_concept> { typedef coordinate_traits<T> type; };
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template <typename T>
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struct traits_by_concept<T, interval_concept> { typedef interval_traits<T> type; };
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template <typename T>
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struct traits_by_concept<T, point_concept> { typedef point_traits<T> type; };
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template <typename T>
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struct traits_by_concept<T, rectangle_concept> { typedef rectangle_traits<T> type; };
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template <typename T>
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struct traits_by_concept<T, segment_concept> { typedef segment_traits<T> type; };
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template <typename T>
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struct traits_by_concept<T, polygon_90_concept> { typedef polygon_traits<T> type; };
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template <typename T>
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struct traits_by_concept<T, polygon_90_with_holes_concept> { typedef polygon_traits<T> type; };
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template <typename T>
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struct traits_by_concept<T, polygon_45_concept> { typedef polygon_traits<T> type; };
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template <typename T>
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struct traits_by_concept<T, polygon_45_with_holes_concept> { typedef polygon_traits<T> type; };
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template <typename T>
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struct traits_by_concept<T, polygon_concept> { typedef polygon_traits<T> type; };
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template <typename T>
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struct traits_by_concept<T, polygon_with_holes_concept> { typedef polygon_traits<T> type; };
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struct polygon_45_set_concept;
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struct polygon_set_concept;
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template <typename T>
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struct polygon_90_set_traits;
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template <typename T>
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struct polygon_45_set_traits;
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template <typename T>
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struct polygon_set_traits;
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template <typename T>
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struct traits_by_concept<T, polygon_90_set_concept> { typedef polygon_90_set_traits<T> type; };
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template <typename T>
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struct traits_by_concept<T, polygon_45_set_concept> { typedef polygon_45_set_traits<T> type; };
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template <typename T>
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struct traits_by_concept<T, polygon_set_concept> { typedef polygon_set_traits<T> type; };
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template <typename T, typename T2>
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struct get_coordinate_type {
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typedef typename traits_by_concept<T, T2>::type traits_type;
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typedef typename traits_type::coordinate_type type;
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};
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//want to prevent recursive template definition syntax errors, so duplicate get_coordinate_type
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template <typename T, typename T2>
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struct get_coordinate_type_2 {
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typedef typename traits_by_concept<T, T2>::type traits_type;
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typedef typename traits_type::coordinate_type type;
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};
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template <typename T>
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struct get_coordinate_type<T, undefined_concept> {
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typedef typename get_coordinate_type_2<typename std::iterator_traits
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<typename T::iterator>::value_type,
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typename geometry_concept<typename std::iterator_traits
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<typename T::iterator>::value_type>::type>::type type; };
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template <typename T, typename T2>
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struct get_iterator_type_2 {
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typedef const T* type;
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static type begin(const T& t) { return &t; }
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static type end(const T& t) { const T* tp = &t; ++tp; return tp; }
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};
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template <typename T>
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struct get_iterator_type {
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typedef get_iterator_type_2<T, typename geometry_concept<T>::type> indirect_type;
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typedef typename indirect_type::type type;
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static type begin(const T& t) { return indirect_type::begin(t); }
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static type end(const T& t) { return indirect_type::end(t); }
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};
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template <typename T>
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struct get_iterator_type_2<T, undefined_concept> {
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typedef typename T::const_iterator type;
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static type begin(const T& t) { return t.begin(); }
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static type end(const T& t) { return t.end(); }
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};
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// //helpers for allowing polygon 45 and containers of polygon 45 to behave interchangably in polygon_45_set_traits
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// template <typename T, typename T2>
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// struct get_coordinate_type_45 {};
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// template <typename T, typename T2>
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// struct get_coordinate_type_2_45 {};
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// template <typename T>
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// struct get_coordinate_type_45<T, void> {
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// typedef typename get_coordinate_type_2_45< typename T::value_type, typename geometry_concept<typename T::value_type>::type >::type type; };
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// template <typename T>
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// struct get_coordinate_type_45<T, polygon_45_concept> { typedef typename polygon_traits<T>::coordinate_type type; };
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// template <typename T>
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// struct get_coordinate_type_45<T, polygon_45_with_holes_concept> { typedef typename polygon_traits<T>::coordinate_type type; };
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// template <typename T>
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// struct get_coordinate_type_2_45<T, polygon_45_concept> { typedef typename polygon_traits<T>::coordinate_type type; };
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// template <typename T>
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// struct get_coordinate_type_2_45<T, polygon_45_with_holes_concept> { typedef typename polygon_traits<T>::coordinate_type type; };
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// template <typename T, typename T2>
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// struct get_iterator_type_45 {};
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// template <typename T>
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// struct get_iterator_type_45<T, void> {
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// typedef typename T::const_iterator type;
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// static type begin(const T& t) { return t.begin(); }
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// static type end(const T& t) { return t.end(); }
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// };
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// template <typename T>
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// struct get_iterator_type_45<T, polygon_45_concept> {
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// typedef const T* type;
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// static type begin(const T& t) { return &t; }
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// static type end(const T& t) { const T* tp = &t; ++tp; return tp; }
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// };
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// template <typename T>
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// struct get_iterator_type_45<T, polygon_45_with_holes_concept> {
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// typedef const T* type;
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// static type begin(const T& t) { return &t; }
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// static type end(const T& t) { const T* tp = &t; ++tp; return tp; }
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// };
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// template <typename T>
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// struct get_iterator_type_45<T, polygon_90_set_concept> {
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// typedef const T* type;
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// static type begin(const T& t) { return &t; }
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// static type end(const T& t) { const T* tp = &t; ++tp; return tp; }
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// };
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template <typename T>
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struct polygon_90_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 get_iterator_type<T> indirection_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 indirection_type::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 indirection_type::end(polygon_set);
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}
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static inline orientation_2d orient(const T&) { return HORIZONTAL; }
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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_manhattan_polygonal_concept { typedef gtl_no type; };
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template <>
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struct is_manhattan_polygonal_concept<rectangle_concept> { typedef gtl_yes type; };
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template <>
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struct is_manhattan_polygonal_concept<polygon_90_concept> { typedef gtl_yes type; };
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template <>
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struct is_manhattan_polygonal_concept<polygon_90_with_holes_concept> { typedef gtl_yes type; };
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template <>
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struct is_manhattan_polygonal_concept<polygon_90_set_concept> { typedef gtl_yes type; };
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template <typename T>
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struct is_polygon_90_set_type {
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typedef typename is_manhattan_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_90_set_type<std::list<T> > {
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typedef typename gtl_or<
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typename is_manhattan_polygonal_concept<typename geometry_concept<std::list<T> >::type>::type,
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typename is_manhattan_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_90_set_type<std::vector<T> > {
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typedef typename gtl_or<
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typename is_manhattan_polygonal_concept<typename geometry_concept<std::vector<T> >::type>::type,
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typename is_manhattan_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_90_set_type {
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typedef typename gtl_same_type<polygon_90_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_90_set_type<std::list<T> > {
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typedef typename gtl_or<
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typename gtl_same_type<polygon_90_set_concept, typename geometry_concept<std::list<T> >::type>::type,
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typename is_manhattan_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_90_set_type<std::vector<T> > {
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typedef typename gtl_or<
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typename gtl_same_type<polygon_90_set_concept, typename geometry_concept<std::vector<T> >::type>::type,
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typename is_manhattan_polygonal_concept<typename geometry_concept<typename std::vector<T>::value_type>::type>::type>::type type;
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};
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// //specialization for rectangle, polygon_90 and polygon_90_with_holes types
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// template <typename T>
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// struct polygon_90_set_traits
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// typedef typename geometry_concept<T>::type concept_type;
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// typedef typename get_coordinate_type<T, concept_type>::type coordinate_type;
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// typedef iterator_geometry_to_set<concept_type, T> 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 iterator_geometry_to_set<concept_type, T>(polygon_set, LOW, HORIZONTAL);
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// }
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// static inline iterator_type end(const T& polygon_set) {
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// return iterator_geometry_to_set<concept_type, T>(polygon_set, HIGH, HORIZONTAL);
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// }
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// static inline orientation_2d orient(const T& polygon_set) { return HORIZONTAL; }
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// static inline bool clean(const T& polygon_set) { return false; }
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// static inline bool sorted(const T& polygon_set) { return false; }
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// };
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// //specialization for containers of recangle, polygon_90, polygon_90_with_holes
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// template <typename T>
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// struct polygon_90_set_traits<T, typename is_manhattan_polygonal_concept<typename std::iterator_traits<typename T::iterator>::value_type>::type> {
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// typedef typename std::iterator_traits<typename T::iterator>::value_type geometry_type;
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// typedef typename geometry_concept<geometry_type>::type concept_type;
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// typedef typename get_coordinate_type<geometry_type, concept_type>::type coordinate_type;
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// typedef iterator_geometry_range_to_set<concept_type, typename T::const_iterator> 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 iterator_type(polygon_set.begin(), HORIZONTAL);
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// }
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// static inline iterator_type end(const T& polygon_set) {
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// return iterator_type(polygon_set.end(), HORIZONTAL);
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// }
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// static inline orientation_2d orient(const T& polygon_set) { return HORIZONTAL; }
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// static inline bool clean(const T& polygon_set) { return false; }
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// static inline bool sorted(const T& polygon_set) { return false; }
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// };
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//get dispatch functions
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template <typename output_container_type, typename pst>
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void get_90_dispatch(output_container_type& output, const pst& ps,
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orientation_2d orient, rectangle_concept ) {
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form_rectangles(output, ps.begin(), ps.end(), orient, rectangle_concept());
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}
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template <typename output_container_type, typename pst>
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void get_90_dispatch(output_container_type& output, const pst& ps,
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orientation_2d orient, polygon_90_concept tag) {
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get_polygons(output, ps.begin(), ps.end(), orient, true, tag);
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}
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template <typename output_container_type, typename pst>
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void get_90_dispatch(output_container_type& output, const pst& ps,
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orientation_2d orient, polygon_90_with_holes_concept tag) {
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get_polygons(output, ps.begin(), ps.end(), orient, false, tag);
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}
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//by default works with containers of rectangle, polygon or polygon with holes
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//must be specialized to work with anything else
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template <typename T>
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struct polygon_90_set_mutable_traits {};
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template <typename T>
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struct polygon_90_set_mutable_traits<std::list<T> > {
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typedef typename geometry_concept<T>::type concept_type;
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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, orientation_2d orient) {
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polygon_set.clear();
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polygon_90_set_data<typename polygon_90_set_traits<std::list<T> >::coordinate_type> ps(orient);
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ps.reserve(std::distance(input_begin, input_end));
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ps.insert(input_begin, input_end, orient);
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ps.clean();
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get_90_dispatch(polygon_set, ps, orient, concept_type());
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}
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};
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template <typename T>
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struct polygon_90_set_mutable_traits<std::vector<T> > {
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typedef typename geometry_concept<T>::type concept_type;
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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, orientation_2d orient) {
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polygon_set.clear();
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size_t num_ele = std::distance(input_begin, input_end);
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polygon_set.reserve(num_ele);
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polygon_90_set_data<typename polygon_90_set_traits<std::list<T> >::coordinate_type> ps(orient);
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ps.reserve(num_ele);
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ps.insert(input_begin, input_end, orient);
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ps.clean();
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get_90_dispatch(polygon_set, ps, orient, concept_type());
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}
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};
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template <typename T>
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struct polygon_90_set_mutable_traits<polygon_90_set_data<T> > {
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template <typename input_iterator_type>
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static inline void set(polygon_90_set_data<T>& polygon_set,
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input_iterator_type input_begin, input_iterator_type input_end,
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orientation_2d orient) {
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polygon_set.clear();
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polygon_set.reserve(std::distance(input_begin, input_end));
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polygon_set.insert(input_begin, input_end, orient);
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}
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};
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template <typename T>
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struct polygon_90_set_traits<polygon_90_set_data<T> > {
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typedef typename polygon_90_set_data<T>::coordinate_type coordinate_type;
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typedef typename polygon_90_set_data<T>::iterator_type iterator_type;
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typedef typename polygon_90_set_data<T>::operator_arg_type operator_arg_type;
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static inline iterator_type begin(const polygon_90_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_90_set_data<T>& polygon_set) {
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return polygon_set.end();
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}
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static inline orientation_2d orient(const polygon_90_set_data<T>& polygon_set) { return polygon_set.orient(); }
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static inline bool clean(const polygon_90_set_data<T>& polygon_set) { polygon_set.clean(); return true; }
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static inline bool sorted(const polygon_90_set_data<T>& polygon_set) { polygon_set.sort(); return true; }
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};
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template <typename T>
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struct is_polygon_90_set_concept { };
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template <>
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struct is_polygon_90_set_concept<polygon_90_set_concept> { typedef gtl_yes type; };
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template <>
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struct is_polygon_90_set_concept<rectangle_concept> { typedef gtl_yes type; };
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template <>
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struct is_polygon_90_set_concept<polygon_90_concept> { typedef gtl_yes type; };
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template <>
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struct is_polygon_90_set_concept<polygon_90_with_holes_concept> { typedef gtl_yes type; };
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template <typename T>
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struct is_mutable_polygon_90_set_concept { typedef gtl_no type; };
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template <>
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struct is_mutable_polygon_90_set_concept<polygon_90_set_concept> { typedef gtl_yes type; };
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template <typename T>
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struct geometry_concept<polygon_90_set_data<T> > { typedef polygon_90_set_concept type; };
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//template <typename T>
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//typename enable_if<typename is_polygon_90_set_type<T>::type, void>::type
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//print_is_polygon_90_set_concept(const T& t) { std::cout << "is polygon 90 set concept\n"; }
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//template <typename T>
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//typename enable_if<typename is_mutable_polygon_90_set_type<T>::type, void>::type
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//print_is_mutable_polygon_90_set_concept(const T& t) { std::cout << "is mutable polygon 90 set concept\n"; }
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}
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}
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#endif
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