582 lines
26 KiB
C++
582 lines
26 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_SET_CONCEPT_HPP
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#define BOOST_POLYGON_POLYGON_SET_CONCEPT_HPP
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#include "polygon_set_data.hpp"
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#include "detail/polygon_simplify.hpp"
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namespace boost { namespace polygon{
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template <typename T, typename T2>
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struct is_either_polygon_set_type {
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typedef typename gtl_or<typename is_polygon_set_type<T>::type, typename is_polygon_set_type<T2>::type >::type type;
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};
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template <typename T>
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struct is_any_polygon_set_type {
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typedef typename gtl_or<typename is_polygon_45_or_90_set_type<T>::type, typename is_polygon_set_type<T>::type >::type type;
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};
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template <typename polygon_set_type>
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typename enable_if< typename is_any_polygon_set_type<polygon_set_type>::type,
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typename polygon_set_traits<polygon_set_type>::iterator_type>::type
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begin_polygon_set_data(const polygon_set_type& polygon_set) {
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return polygon_set_traits<polygon_set_type>::begin(polygon_set);
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}
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template <typename polygon_set_type>
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typename enable_if< typename is_any_polygon_set_type<polygon_set_type>::type,
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typename polygon_set_traits<polygon_set_type>::iterator_type>::type
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end_polygon_set_data(const polygon_set_type& polygon_set) {
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return polygon_set_traits<polygon_set_type>::end(polygon_set);
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}
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template <typename polygon_set_type>
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typename enable_if< typename is_polygon_set_type<polygon_set_type>::type,
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bool>::type
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clean(const polygon_set_type& polygon_set) {
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return polygon_set_traits<polygon_set_type>::clean(polygon_set);
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}
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//assign
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template <typename polygon_set_type_1, typename polygon_set_type_2>
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typename enable_if< typename gtl_and<
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typename is_mutable_polygon_set_type<polygon_set_type_1>::type,
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typename is_any_polygon_set_type<polygon_set_type_2>::type>::type,
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polygon_set_type_1>::type &
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assign(polygon_set_type_1& lvalue, const polygon_set_type_2& rvalue) {
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if(clean(rvalue))
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polygon_set_mutable_traits<polygon_set_type_1>::set(lvalue, begin_polygon_set_data(rvalue), end_polygon_set_data(rvalue));
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else {
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polygon_set_data<typename polygon_set_traits<polygon_set_type_2>::coordinate_type> ps;
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ps.insert(begin_polygon_set_data(rvalue), end_polygon_set_data(rvalue));
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ps.clean();
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polygon_set_mutable_traits<polygon_set_type_1>::set(lvalue, ps.begin(), ps.end());
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}
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return lvalue;
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}
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//get trapezoids
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template <typename output_container_type, typename polygon_set_type>
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typename enable_if< typename is_mutable_polygon_set_type<polygon_set_type>::type,
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void>::type
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get_trapezoids(output_container_type& output, const polygon_set_type& polygon_set) {
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polygon_set_data<typename polygon_set_traits<polygon_set_type>::coordinate_type> ps;
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assign(ps, polygon_set);
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ps.get_trapezoids(output);
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}
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//get trapezoids
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template <typename output_container_type, typename polygon_set_type>
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typename enable_if< typename is_mutable_polygon_set_type<polygon_set_type>::type,
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void>::type
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get_trapezoids(output_container_type& output, const polygon_set_type& polygon_set,
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orientation_2d orient) {
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polygon_set_data<typename polygon_set_traits<polygon_set_type>::coordinate_type> ps;
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assign(ps, polygon_set);
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ps.get_trapezoids(output, orient);
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}
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//equivalence
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template <typename polygon_set_type_1, typename polygon_set_type_2>
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typename enable_if< typename gtl_and_3 <
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typename is_any_polygon_set_type<polygon_set_type_1>::type,
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typename is_any_polygon_set_type<polygon_set_type_2>::type,
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typename is_either_polygon_set_type<polygon_set_type_1, polygon_set_type_2>::type>::type,
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bool>::type
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equivalence(const polygon_set_type_1& lvalue,
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const polygon_set_type_2& rvalue) {
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polygon_set_data<typename polygon_set_traits<polygon_set_type_1>::coordinate_type> ps1;
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assign(ps1, lvalue);
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polygon_set_data<typename polygon_set_traits<polygon_set_type_2>::coordinate_type> ps2;
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assign(ps2, rvalue);
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return ps1 == ps2;
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}
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//clear
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template <typename polygon_set_type>
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typename enable_if< typename is_mutable_polygon_set_type<polygon_set_type>::type,
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void>::type
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clear(polygon_set_type& polygon_set) {
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polygon_set_data<typename polygon_set_traits<polygon_set_type>::coordinate_type> ps;
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assign(polygon_set, ps);
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}
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//empty
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template <typename polygon_set_type>
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typename enable_if< typename is_mutable_polygon_set_type<polygon_set_type>::type,
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bool>::type
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empty(const polygon_set_type& polygon_set) {
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if(clean(polygon_set)) return begin_polygon_set_data(polygon_set) == end_polygon_set_data(polygon_set);
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polygon_set_data<typename polygon_set_traits<polygon_set_type>::coordinate_type> ps;
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assign(ps, polygon_set);
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ps.clean();
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return ps.empty();
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}
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//extents
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template <typename polygon_set_type, typename rectangle_type>
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typename enable_if< typename gtl_and<
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typename is_mutable_polygon_set_type<polygon_set_type>::type,
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typename is_mutable_rectangle_concept<typename geometry_concept<rectangle_type>::type>::type>::type,
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bool>::type
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extents(rectangle_type& extents_rectangle,
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const polygon_set_type& polygon_set) {
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clean(polygon_set);
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polygon_set_data<typename polygon_set_traits<polygon_set_type>::coordinate_type> ps;
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assign(ps, polygon_set);
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return ps.extents(extents_rectangle);
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}
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//area
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template <typename polygon_set_type>
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typename enable_if< typename is_mutable_polygon_set_type<polygon_set_type>::type,
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typename coordinate_traits<typename polygon_set_traits<polygon_set_type>::coordinate_type>::area_type>::type
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area(const polygon_set_type& polygon_set) {
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typedef typename polygon_set_traits<polygon_set_type>::coordinate_type Unit;
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typedef polygon_with_holes_data<Unit> p_type;
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typedef typename coordinate_traits<Unit>::area_type area_type;
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std::vector<p_type> polys;
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assign(polys, polygon_set);
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area_type retval = (area_type)0;
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for(std::size_t i = 0; i < polys.size(); ++i) {
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retval += area(polys[i]);
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}
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return retval;
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}
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template <typename polygon_set_type>
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typename enable_if< typename is_mutable_polygon_set_type<polygon_set_type>::type,
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std::size_t>::type
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simplify(polygon_set_type& polygon_set, typename coordinate_traits<
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typename polygon_set_traits<polygon_set_type>::coordinate_type
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>::coordinate_distance threshold) {
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typedef typename polygon_set_traits<polygon_set_type>::coordinate_type Unit;
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typedef polygon_with_holes_data<Unit> p_type;
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std::vector<p_type> polys;
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assign(polys, polygon_set);
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std::size_t retval = 0;
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for(std::size_t i = 0; i < polys.size(); ++i) {
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retval += detail::simplify_detail::simplify(polys[i].self_.coords_,
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polys[i].self_.coords_, threshold);
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for(typename std::list<polygon_data<Unit> >::iterator itrh =
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polys[i].holes_.begin(); itrh != (polys[i].holes_.end()); ++itrh) {
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retval += detail::simplify_detail::simplify((*itrh).coords_,
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(*itrh).coords_, threshold);
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}
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}
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assign(polygon_set, polys);
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return retval;
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}
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template <typename polygon_set_type, typename coord_type>
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typename enable_if< typename is_mutable_polygon_set_type<polygon_set_type>::type,
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polygon_set_type>::type &
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resize(polygon_set_type& polygon_set, coord_type resizing, bool corner_fill_arcs = false, int num_circle_segments = 0) {
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typedef typename polygon_set_traits<polygon_set_type>::coordinate_type Unit;
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clean(polygon_set);
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polygon_set_data<Unit> ps;
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assign(ps, polygon_set);
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ps.resize(resizing, corner_fill_arcs,num_circle_segments);
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assign(polygon_set, ps);
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return polygon_set;
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}
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template <typename polygon_set_type>
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typename enable_if< typename is_mutable_polygon_set_type<polygon_set_type>::type,
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polygon_set_type>::type &
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bloat(polygon_set_type& polygon_set,
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typename coordinate_traits<typename polygon_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type bloating) {
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return resize(polygon_set, bloating);
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}
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template <typename polygon_set_type>
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typename enable_if< typename is_mutable_polygon_set_type<polygon_set_type>::type,
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polygon_set_type>::type &
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shrink(polygon_set_type& polygon_set,
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typename coordinate_traits<typename polygon_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type shrinking) {
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return resize(polygon_set, -(typename polygon_set_traits<polygon_set_type>::coordinate_type)shrinking);
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}
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//interact
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template <typename polygon_set_type_1, typename polygon_set_type_2>
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typename enable_if< typename gtl_and_3 <
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typename is_any_polygon_set_type<polygon_set_type_1>::type,
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typename is_any_polygon_set_type<polygon_set_type_2>::type,
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typename is_either_polygon_set_type<polygon_set_type_1, polygon_set_type_2>::type>::type,
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polygon_set_type_1>::type&
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interact(polygon_set_type_1& polygon_set_1, const polygon_set_type_2& polygon_set_2) {
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polygon_set_data<typename polygon_set_traits<polygon_set_type_1>::coordinate_type> ps1;
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assign(ps1, polygon_set_1);
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polygon_set_data<typename polygon_set_traits<polygon_set_type_2>::coordinate_type> ps2;
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assign(ps2, polygon_set_2);
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ps1.interact(ps2);
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assign(polygon_set_1, ps1);
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return polygon_set_1;
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}
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template <typename polygon_set_type>
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typename enable_if< typename is_mutable_polygon_set_type<polygon_set_type>::type,
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polygon_set_type>::type &
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scale_up(polygon_set_type& polygon_set,
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typename coordinate_traits<typename polygon_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type factor) {
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typedef typename polygon_set_traits<polygon_set_type>::coordinate_type Unit;
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clean(polygon_set);
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polygon_set_data<Unit> ps;
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assign(ps, polygon_set);
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ps.scale_up(factor);
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assign(polygon_set, ps);
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return polygon_set;
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}
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template <typename polygon_set_type>
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typename enable_if< typename is_mutable_polygon_set_type<polygon_set_type>::type,
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polygon_set_type>::type &
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scale_down(polygon_set_type& polygon_set,
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typename coordinate_traits<typename polygon_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type factor) {
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typedef typename polygon_set_traits<polygon_set_type>::coordinate_type Unit;
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clean(polygon_set);
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polygon_set_data<Unit> ps;
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assign(ps, polygon_set);
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ps.scale_down(factor);
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assign(polygon_set, ps);
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return polygon_set;
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}
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//transform
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template <typename polygon_set_type, typename transformation_type>
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typename enable_if< typename is_mutable_polygon_set_type<polygon_set_type>::type,
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polygon_set_type>::type &
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transform(polygon_set_type& polygon_set,
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const transformation_type& transformation) {
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typedef typename polygon_set_traits<polygon_set_type>::coordinate_type Unit;
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clean(polygon_set);
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polygon_set_data<Unit> ps;
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assign(ps, polygon_set);
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ps.transform(transformation);
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assign(polygon_set, ps);
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return polygon_set;
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}
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//keep
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template <typename polygon_set_type>
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typename enable_if< typename is_mutable_polygon_set_type<polygon_set_type>::type,
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polygon_set_type>::type &
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keep(polygon_set_type& polygon_set,
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typename coordinate_traits<typename polygon_set_traits<polygon_set_type>::coordinate_type>::area_type min_area,
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typename coordinate_traits<typename polygon_set_traits<polygon_set_type>::coordinate_type>::area_type max_area,
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typename coordinate_traits<typename polygon_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type min_width,
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typename coordinate_traits<typename polygon_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type max_width,
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typename coordinate_traits<typename polygon_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type min_height,
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typename coordinate_traits<typename polygon_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type max_height) {
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typedef typename polygon_set_traits<polygon_set_type>::coordinate_type Unit;
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typedef typename coordinate_traits<Unit>::unsigned_area_type uat;
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std::list<polygon_with_holes_data<Unit> > polys;
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assign(polys, polygon_set);
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typename std::list<polygon_with_holes_data<Unit> >::iterator itr_nxt;
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for(typename std::list<polygon_with_holes_data<Unit> >::iterator itr = polys.begin(); itr != polys.end(); itr = itr_nxt){
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itr_nxt = itr;
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++itr_nxt;
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rectangle_data<Unit> bbox;
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extents(bbox, *itr);
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uat pwidth = delta(bbox, HORIZONTAL);
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if(pwidth > min_width && pwidth <= max_width){
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uat pheight = delta(bbox, VERTICAL);
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if(pheight > min_height && pheight <= max_height){
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typename coordinate_traits<Unit>::area_type parea = area(*itr);
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if(parea <= max_area && parea >= min_area) {
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continue;
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}
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}
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}
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polys.erase(itr);
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}
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assign(polygon_set, polys);
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return polygon_set;
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}
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namespace operators {
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struct yes_ps_ob : gtl_yes {};
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template <typename geometry_type_1, typename geometry_type_2>
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typename enable_if< typename gtl_and_4 < yes_ps_ob, typename is_any_polygon_set_type<geometry_type_1>::type,
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typename is_any_polygon_set_type<geometry_type_2>::type,
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typename is_either_polygon_set_type<geometry_type_1, geometry_type_2>::type>::type,
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polygon_set_view<geometry_type_1, geometry_type_2, 0> >::type
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operator|(const geometry_type_1& lvalue, const geometry_type_2& rvalue) {
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return polygon_set_view<geometry_type_1, geometry_type_2, 0>
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(lvalue, rvalue);
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}
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struct yes_ps_op : gtl_yes {};
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template <typename geometry_type_1, typename geometry_type_2>
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typename enable_if< typename gtl_and_4 < yes_ps_op,
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typename gtl_if<typename is_any_polygon_set_type<geometry_type_1>::type>::type,
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typename gtl_if<typename is_any_polygon_set_type<geometry_type_2>::type>::type,
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typename gtl_if<typename is_either_polygon_set_type<geometry_type_1, geometry_type_2>::type>::type>
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::type, polygon_set_view<geometry_type_1, geometry_type_2, 0> >::type
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operator+(const geometry_type_1& lvalue, const geometry_type_2& rvalue) {
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return polygon_set_view<geometry_type_1, geometry_type_2, 0>
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(lvalue, rvalue);
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}
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struct yes_ps_os : gtl_yes {};
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template <typename geometry_type_1, typename geometry_type_2>
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typename enable_if< typename gtl_and_4 < yes_ps_os,
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typename is_any_polygon_set_type<geometry_type_1>::type,
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typename is_any_polygon_set_type<geometry_type_2>::type,
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typename is_either_polygon_set_type<geometry_type_1, geometry_type_2>::type>::type,
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polygon_set_view<geometry_type_1, geometry_type_2, 1> >::type
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operator*(const geometry_type_1& lvalue, const geometry_type_2& rvalue) {
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return polygon_set_view<geometry_type_1, geometry_type_2, 1>
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(lvalue, rvalue);
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}
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struct yes_ps_oa : gtl_yes {};
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template <typename geometry_type_1, typename geometry_type_2>
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typename enable_if< typename gtl_and_4 < yes_ps_oa,
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typename is_any_polygon_set_type<geometry_type_1>::type,
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typename is_any_polygon_set_type<geometry_type_2>::type,
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typename is_either_polygon_set_type<geometry_type_1, geometry_type_2>::type>::type,
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polygon_set_view<geometry_type_1, geometry_type_2, 1> >::type
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operator&(const geometry_type_1& lvalue, const geometry_type_2& rvalue) {
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return polygon_set_view<geometry_type_1, geometry_type_2, 1>
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(lvalue, rvalue);
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}
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struct yes_ps_ox : gtl_yes {};
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template <typename geometry_type_1, typename geometry_type_2>
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typename enable_if< typename gtl_and_4 < yes_ps_ox,
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typename is_any_polygon_set_type<geometry_type_1>::type,
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typename is_any_polygon_set_type<geometry_type_2>::type,
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typename is_either_polygon_set_type<geometry_type_1, geometry_type_2>::type>::type,
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polygon_set_view<geometry_type_1, geometry_type_2, 2> >::type
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operator^(const geometry_type_1& lvalue, const geometry_type_2& rvalue) {
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return polygon_set_view<geometry_type_1, geometry_type_2, 2>
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(lvalue, rvalue);
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}
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struct yes_ps_om : gtl_yes {};
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template <typename geometry_type_1, typename geometry_type_2>
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typename enable_if< typename gtl_and_4 < yes_ps_om,
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typename gtl_if<typename is_any_polygon_set_type<geometry_type_1>::type>::type,
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typename gtl_if<typename is_any_polygon_set_type<geometry_type_2>::type>::type,
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typename gtl_if<typename is_either_polygon_set_type<geometry_type_1, geometry_type_2>::type>::type>
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::type, polygon_set_view<geometry_type_1, geometry_type_2, 3> >::type
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operator-(const geometry_type_1& lvalue, const geometry_type_2& rvalue) {
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return polygon_set_view<geometry_type_1, geometry_type_2, 3>
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(lvalue, rvalue);
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}
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struct yes_ps_ope : gtl_yes {};
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template <typename geometry_type_1, typename geometry_type_2>
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typename enable_if< typename gtl_and_4< yes_ps_ope, gtl_yes, typename is_mutable_polygon_set_type<geometry_type_1>::type,
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typename is_any_polygon_set_type<geometry_type_2>::type>::type,
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geometry_type_1>::type &
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operator+=(geometry_type_1& lvalue, const geometry_type_2& rvalue) {
|
|
return self_assignment_boolean_op<geometry_type_1, geometry_type_2, 0>(lvalue, rvalue);
|
|
}
|
|
|
|
struct yes_ps_obe : gtl_yes {};
|
|
|
|
template <typename geometry_type_1, typename geometry_type_2>
|
|
typename enable_if< typename gtl_and_3< yes_ps_obe, typename is_mutable_polygon_set_type<geometry_type_1>::type,
|
|
typename is_any_polygon_set_type<geometry_type_2>::type>::type,
|
|
geometry_type_1>::type &
|
|
operator|=(geometry_type_1& lvalue, const geometry_type_2& rvalue) {
|
|
return self_assignment_boolean_op<geometry_type_1, geometry_type_2, 0>(lvalue, rvalue);
|
|
}
|
|
|
|
struct yes_ps_ose : gtl_yes {};
|
|
|
|
template <typename geometry_type_1, typename geometry_type_2>
|
|
typename enable_if< typename gtl_and_3< yes_ps_ose, typename is_mutable_polygon_set_type<geometry_type_1>::type,
|
|
typename is_any_polygon_set_type<geometry_type_2>::type>::type,
|
|
geometry_type_1>::type &
|
|
operator*=(geometry_type_1& lvalue, const geometry_type_2& rvalue) {
|
|
return self_assignment_boolean_op<geometry_type_1, geometry_type_2, 1>(lvalue, rvalue);
|
|
}
|
|
|
|
struct yes_ps_oae : gtl_yes {};
|
|
|
|
template <typename geometry_type_1, typename geometry_type_2>
|
|
typename enable_if<
|
|
typename gtl_and_3< yes_ps_oae, typename is_mutable_polygon_set_type<geometry_type_1>::type,
|
|
typename is_any_polygon_set_type<geometry_type_2>::type>::type,
|
|
geometry_type_1>::type &
|
|
operator&=(geometry_type_1& lvalue, const geometry_type_2& rvalue) {
|
|
return self_assignment_boolean_op<geometry_type_1, geometry_type_2, 1>(lvalue, rvalue);
|
|
}
|
|
|
|
struct yes_ps_oxe : gtl_yes {};
|
|
|
|
template <typename geometry_type_1, typename geometry_type_2>
|
|
typename enable_if< typename gtl_and_3< yes_ps_oxe, typename is_mutable_polygon_set_type<geometry_type_1>::type,
|
|
typename is_any_polygon_set_type<geometry_type_2>::type>::type,
|
|
geometry_type_1>::type &
|
|
operator^=(geometry_type_1& lvalue, const geometry_type_2& rvalue) {
|
|
return self_assignment_boolean_op<geometry_type_1, geometry_type_2, 2>(lvalue, rvalue);
|
|
}
|
|
|
|
struct yes_ps_ome : gtl_yes {};
|
|
|
|
template <typename geometry_type_1, typename geometry_type_2>
|
|
typename enable_if<
|
|
typename gtl_and_3< yes_ps_ome, typename is_mutable_polygon_set_type<geometry_type_1>::type,
|
|
typename is_any_polygon_set_type<geometry_type_2>::type>::type,
|
|
geometry_type_1>::type &
|
|
operator-=(geometry_type_1& lvalue, const geometry_type_2& rvalue) {
|
|
return self_assignment_boolean_op<geometry_type_1, geometry_type_2, 3>(lvalue, rvalue);
|
|
}
|
|
|
|
// TODO: Dafna, test these four resizing operators
|
|
struct y_ps_rpe : gtl_yes {};
|
|
|
|
template <typename geometry_type_1, typename coordinate_type_1>
|
|
typename enable_if< typename gtl_and_3< y_ps_rpe, typename is_mutable_polygon_set_type<geometry_type_1>::type,
|
|
typename gtl_same_type<typename geometry_concept<coordinate_type_1>::type,
|
|
coordinate_concept>::type>::type,
|
|
geometry_type_1>::type &
|
|
operator+=(geometry_type_1& lvalue, coordinate_type_1 rvalue) {
|
|
return resize(lvalue, rvalue);
|
|
}
|
|
|
|
struct y_ps_rme : gtl_yes {};
|
|
|
|
template <typename geometry_type_1, typename coordinate_type_1>
|
|
typename enable_if< typename gtl_and_3<y_ps_rme, typename gtl_if<typename is_mutable_polygon_set_type<geometry_type_1>::type>::type,
|
|
typename gtl_same_type<typename geometry_concept<coordinate_type_1>::type,
|
|
coordinate_concept>::type>::type,
|
|
geometry_type_1>::type &
|
|
operator-=(geometry_type_1& lvalue, coordinate_type_1 rvalue) {
|
|
return resize(lvalue, -rvalue);
|
|
}
|
|
|
|
struct y_ps_rp : gtl_yes {};
|
|
|
|
template <typename geometry_type_1, typename coordinate_type_1>
|
|
typename enable_if< typename gtl_and_3<y_ps_rp, typename gtl_if<typename is_mutable_polygon_set_type<geometry_type_1>::type>::type,
|
|
typename gtl_same_type<typename geometry_concept<coordinate_type_1>::type,
|
|
coordinate_concept>::type>
|
|
::type, geometry_type_1>::type
|
|
operator+(const geometry_type_1& lvalue, coordinate_type_1 rvalue) {
|
|
geometry_type_1 retval(lvalue);
|
|
retval += rvalue;
|
|
return retval;
|
|
}
|
|
|
|
struct y_ps_rm : gtl_yes {};
|
|
|
|
template <typename geometry_type_1, typename coordinate_type_1>
|
|
typename enable_if< typename gtl_and_3<y_ps_rm, typename gtl_if<typename is_mutable_polygon_set_type<geometry_type_1>::type>::type,
|
|
typename gtl_same_type<typename geometry_concept<coordinate_type_1>::type,
|
|
coordinate_concept>::type>
|
|
::type, geometry_type_1>::type
|
|
operator-(const geometry_type_1& lvalue, coordinate_type_1 rvalue) {
|
|
geometry_type_1 retval(lvalue);
|
|
retval -= rvalue;
|
|
return retval;
|
|
}
|
|
|
|
|
|
} //end operators namespace
|
|
|
|
template <typename T>
|
|
struct view_of<polygon_45_set_concept, T> {
|
|
typedef typename get_coordinate_type<T, typename geometry_concept<T>::type >::type coordinate_type;
|
|
T* tp;
|
|
std::vector<polygon_45_with_holes_data<coordinate_type> > polys;
|
|
view_of(const T& obj) : tp(), polys() {
|
|
std::vector<polygon_with_holes_data<coordinate_type> > gpolys;
|
|
assign(gpolys, obj);
|
|
for(typename std::vector<polygon_with_holes_data<coordinate_type> >::iterator itr = gpolys.begin();
|
|
itr != gpolys.end(); ++itr) {
|
|
polys.push_back(polygon_45_with_holes_data<coordinate_type>());
|
|
assign(polys.back(), view_as<polygon_45_with_holes_concept>(*itr));
|
|
}
|
|
}
|
|
view_of(T& obj) : tp(&obj), polys() {
|
|
std::vector<polygon_with_holes_data<coordinate_type> > gpolys;
|
|
assign(gpolys, obj);
|
|
for(typename std::vector<polygon_with_holes_data<coordinate_type> >::iterator itr = gpolys.begin();
|
|
itr != gpolys.end(); ++itr) {
|
|
polys.push_back(polygon_45_with_holes_data<coordinate_type>());
|
|
assign(polys.back(), view_as<polygon_45_with_holes_concept>(*itr));
|
|
}
|
|
}
|
|
|
|
typedef typename std::vector<polygon_45_with_holes_data<coordinate_type> >::const_iterator iterator_type;
|
|
typedef view_of operator_arg_type;
|
|
|
|
inline iterator_type begin() const {
|
|
return polys.begin();
|
|
}
|
|
|
|
inline iterator_type end() const {
|
|
return polys.end();
|
|
}
|
|
|
|
inline orientation_2d orient() const { return HORIZONTAL; }
|
|
|
|
inline bool clean() const { return false; }
|
|
|
|
inline bool sorted() const { return false; }
|
|
|
|
inline T& get() { return *tp; }
|
|
};
|
|
|
|
template <typename T>
|
|
struct polygon_45_set_traits<view_of<polygon_45_set_concept, T> > {
|
|
typedef typename view_of<polygon_45_set_concept, T>::coordinate_type coordinate_type;
|
|
typedef typename view_of<polygon_45_set_concept, T>::iterator_type iterator_type;
|
|
typedef view_of<polygon_45_set_concept, T> operator_arg_type;
|
|
|
|
static inline iterator_type begin(const view_of<polygon_45_set_concept, T>& polygon_set) {
|
|
return polygon_set.begin();
|
|
}
|
|
|
|
static inline iterator_type end(const view_of<polygon_45_set_concept, T>& polygon_set) {
|
|
return polygon_set.end();
|
|
}
|
|
|
|
static inline orientation_2d orient(const view_of<polygon_45_set_concept, T>& polygon_set) {
|
|
return polygon_set.orient(); }
|
|
|
|
static inline bool clean(const view_of<polygon_45_set_concept, T>& polygon_set) {
|
|
return polygon_set.clean(); }
|
|
|
|
static inline bool sorted(const view_of<polygon_45_set_concept, T>& polygon_set) {
|
|
return polygon_set.sorted(); }
|
|
|
|
};
|
|
|
|
template <typename T>
|
|
struct geometry_concept<view_of<polygon_45_set_concept, T> > {
|
|
typedef polygon_45_set_concept type;
|
|
};
|
|
|
|
template <typename T>
|
|
struct get_coordinate_type<view_of<polygon_45_set_concept, T>, polygon_45_set_concept> {
|
|
typedef typename view_of<polygon_45_set_concept, T>::coordinate_type type;
|
|
};
|
|
template <typename T>
|
|
struct get_iterator_type_2<view_of<polygon_45_set_concept, T>, polygon_45_set_concept> {
|
|
typedef typename view_of<polygon_45_set_concept, T>::iterator_type type;
|
|
static type begin(const view_of<polygon_45_set_concept, T>& t) { return t.begin(); }
|
|
static type end(const view_of<polygon_45_set_concept, T>& t) { return t.end(); }
|
|
};
|
|
}
|
|
}
|
|
#endif
|