442 lines
19 KiB
C++
442 lines
19 KiB
C++
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/*
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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_CONCEPT_HPP
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#define BOOST_POLYGON_POLYGON_45_SET_CONCEPT_HPP
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#include "polygon_45_set_data.hpp"
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#include "polygon_45_set_traits.hpp"
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#include "detail/polygon_45_touch.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_45_set_type {
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typedef typename gtl_or<typename is_polygon_45_set_type<T>::type, typename is_polygon_45_set_type<T2>::type >::type type;
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};
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template <typename T>
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struct is_polygon_45_or_90_set_type {
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typedef typename gtl_or<typename is_polygon_45_set_type<T>::type, typename is_polygon_90_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 gtl_if<typename is_polygon_45_or_90_set_type<polygon_set_type>::type>::type,
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typename polygon_45_set_traits<polygon_set_type>::iterator_type>::type
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begin_45_set_data(const polygon_set_type& polygon_set) {
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return polygon_45_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 gtl_if<typename is_polygon_45_or_90_set_type<polygon_set_type>::type>::type,
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typename polygon_45_set_traits<polygon_set_type>::iterator_type>::type
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end_45_set_data(const polygon_set_type& polygon_set) {
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return polygon_45_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 gtl_if<typename is_polygon_45_set_type<polygon_set_type>::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_45_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< typename gtl_if<typename is_mutable_polygon_45_set_type<polygon_set_type_1>::type>::type,
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typename gtl_if<typename is_polygon_45_or_90_set_type<polygon_set_type_2>::type>::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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polygon_45_set_mutable_traits<polygon_set_type_1>::set(lvalue, begin_45_set_data(rvalue), end_45_set_data(rvalue));
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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 gtl_if<typename is_polygon_45_set_type<polygon_set_type>::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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clean(polygon_set);
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polygon_45_set_data<typename polygon_45_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 gtl_if<typename is_polygon_45_set_type<polygon_set_type>::type>::type,
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void>::type
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get_trapezoids(output_container_type& output, const polygon_set_type& polygon_set, orientation_2d slicing_orientation) {
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clean(polygon_set);
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polygon_45_set_data<typename polygon_45_set_traits<polygon_set_type>::coordinate_type> ps;
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assign(ps, polygon_set);
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ps.get_trapezoids(output, slicing_orientation);
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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<typename gtl_if<typename is_polygon_45_or_90_set_type<polygon_set_type_1>::type>::type,
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typename gtl_if<typename is_polygon_45_or_90_set_type<polygon_set_type_2>::type>::type,
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typename gtl_if<typename is_either_polygon_45_set_type<polygon_set_type_1,
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polygon_set_type_2>::type>::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_45_set_data<typename polygon_45_set_traits<polygon_set_type_1>::coordinate_type> ps1;
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assign(ps1, lvalue);
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polygon_45_set_data<typename polygon_45_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 gtl_if<typename is_mutable_polygon_45_set_type<polygon_set_type>::type>::type,
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void>::type
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clear(polygon_set_type& polygon_set) {
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polygon_45_set_data<typename polygon_45_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 gtl_if<typename is_mutable_polygon_45_set_type<polygon_set_type>::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_45_set_data(polygon_set) == end_45_set_data(polygon_set);
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polygon_45_set_data<typename polygon_45_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<
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typename gtl_and< typename gtl_if<typename is_mutable_polygon_45_set_type<polygon_set_type>::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_45_set_data<typename polygon_45_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_45_set_type<polygon_set_type>::type,
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typename coordinate_traits<typename polygon_45_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_45_set_traits<polygon_set_type>::coordinate_type Unit;
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typedef polygon_45_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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//interact
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template <typename polygon_set_type_1, typename polygon_set_type_2>
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typename enable_if <
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typename gtl_and< typename gtl_if<typename is_mutable_polygon_45_set_type<polygon_set_type_1>::type>::type,
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typename gtl_if<typename is_polygon_45_or_90_set_type<polygon_set_type_2>::type>::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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typedef typename polygon_45_set_traits<polygon_set_type_1>::coordinate_type Unit;
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std::vector<polygon_45_data<Unit> > polys;
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assign(polys, polygon_set_1);
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std::vector<std::set<int> > graph(polys.size()+1, std::set<int>());
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connectivity_extraction_45<Unit> ce;
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ce.insert(polygon_set_2);
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for(std::size_t i = 0; i < polys.size(); ++i){
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ce.insert(polys[i]);
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}
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ce.extract(graph);
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clear(polygon_set_1);
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polygon_45_set_data<Unit> ps;
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for(std::set<int>::iterator itr = graph[0].begin(); itr != graph[0].end(); ++itr){
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ps.insert(polys[(*itr)-1]);
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}
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assign(polygon_set_1, ps);
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return polygon_set_1;
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}
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// //self_intersect
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// template <typename polygon_set_type>
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// typename enable_if< typename is_mutable_polygon_45_set_type<polygon_set_type>::type>::type,
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// polygon_set_type>::type &
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// self_intersect(polygon_set_type& polygon_set) {
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// typedef typename polygon_45_set_traits<polygon_set_type>::coordinate_type Unit;
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// //TODO
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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_45_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,
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RoundingOption rounding = CLOSEST, CornerOption corner = INTERSECTION) {
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typedef typename polygon_45_set_traits<polygon_set_type>::coordinate_type Unit;
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clean(polygon_set);
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polygon_45_set_data<Unit> ps;
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assign(ps, polygon_set);
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ps.resize(resizing, rounding, corner);
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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_45_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_45_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type bloating) {
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return resize(polygon_set, static_cast<typename polygon_45_set_traits<polygon_set_type>::coordinate_type>(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_45_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_45_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type shrinking) {
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return resize(polygon_set, -(typename polygon_45_set_traits<polygon_set_type>::coordinate_type)shrinking);
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}
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template <typename polygon_set_type>
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typename enable_if< typename is_mutable_polygon_45_set_type<polygon_set_type>::type,
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polygon_set_type>::type &
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grow_and(polygon_set_type& polygon_set,
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typename coordinate_traits<typename polygon_45_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type bloating) {
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typedef typename polygon_45_set_traits<polygon_set_type>::coordinate_type Unit;
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std::vector<polygon_45_data<Unit> > polys;
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assign(polys, polygon_set);
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clear(polygon_set);
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polygon_45_set_data<Unit> ps;
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for(std::size_t i = 0; i < polys.size(); ++i) {
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polygon_45_set_data<Unit> tmpPs;
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tmpPs.insert(polys[i]);
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bloat(tmpPs, bloating);
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tmpPs.clean(); //apply implicit OR on tmp polygon set
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ps.insert(tmpPs);
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}
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ps.self_intersect();
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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_45_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_45_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type factor) {
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typedef typename polygon_45_set_traits<polygon_set_type>::coordinate_type Unit;
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clean(polygon_set);
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polygon_45_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_45_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_45_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type factor) {
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typedef typename polygon_45_set_traits<polygon_set_type>::coordinate_type Unit;
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clean(polygon_set);
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polygon_45_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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template <typename polygon_set_type>
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typename enable_if< typename is_mutable_polygon_45_set_type<polygon_set_type>::type,
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polygon_set_type>::type &
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scale(polygon_set_type& polygon_set, double factor) {
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typedef typename polygon_45_set_traits<polygon_set_type>::coordinate_type Unit;
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clean(polygon_set);
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polygon_45_set_data<Unit> ps;
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assign(ps, polygon_set);
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ps.scale(factor);
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assign(polygon_set, ps);
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return polygon_set;
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}
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//self_intersect
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template <typename polygon_set_type>
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typename enable_if< typename is_mutable_polygon_45_set_type<polygon_set_type>::type,
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polygon_set_type>::type &
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self_intersect(polygon_set_type& polygon_set) {
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typedef typename polygon_45_set_traits<polygon_set_type>::coordinate_type Unit;
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polygon_45_set_data<Unit> ps;
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assign(ps, polygon_set);
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ps.self_intersect();
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assign(polygon_set, ps);
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return polygon_set;
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}
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//self_xor
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template <typename polygon_set_type>
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typename enable_if< typename is_mutable_polygon_45_set_type<polygon_set_type>::type,
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polygon_set_type>::type &
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self_xor(polygon_set_type& polygon_set) {
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typedef typename polygon_45_set_traits<polygon_set_type>::coordinate_type Unit;
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polygon_45_set_data<Unit> ps;
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assign(ps, polygon_set);
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ps.self_xor();
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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_45_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) {
|
||
|
|
typedef typename polygon_45_set_traits<polygon_set_type>::coordinate_type Unit;
|
||
|
|
clean(polygon_set);
|
||
|
|
polygon_45_set_data<Unit> ps;
|
||
|
|
assign(ps, polygon_set);
|
||
|
|
ps.transform(transformation);
|
||
|
|
assign(polygon_set, ps);
|
||
|
|
return polygon_set;
|
||
|
|
}
|
||
|
|
|
||
|
|
//keep
|
||
|
|
template <typename polygon_set_type>
|
||
|
|
typename enable_if< typename is_mutable_polygon_45_set_type<polygon_set_type>::type,
|
||
|
|
polygon_set_type>::type &
|
||
|
|
keep(polygon_set_type& polygon_set,
|
||
|
|
typename coordinate_traits<typename polygon_45_set_traits<polygon_set_type>::coordinate_type>::area_type min_area,
|
||
|
|
typename coordinate_traits<typename polygon_45_set_traits<polygon_set_type>::coordinate_type>::area_type max_area,
|
||
|
|
typename coordinate_traits<typename polygon_45_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type min_width,
|
||
|
|
typename coordinate_traits<typename polygon_45_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type max_width,
|
||
|
|
typename coordinate_traits<typename polygon_45_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type min_height,
|
||
|
|
typename coordinate_traits<typename polygon_45_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type max_height) {
|
||
|
|
typedef typename polygon_45_set_traits<polygon_set_type>::coordinate_type Unit;
|
||
|
|
typedef typename coordinate_traits<Unit>::unsigned_area_type uat;
|
||
|
|
std::list<polygon_45_data<Unit> > polys;
|
||
|
|
assign(polys, polygon_set);
|
||
|
|
typename std::list<polygon_45_data<Unit> >::iterator itr_nxt;
|
||
|
|
for(typename std::list<polygon_45_data<Unit> >::iterator itr = polys.begin(); itr != polys.end(); itr = itr_nxt){
|
||
|
|
itr_nxt = itr;
|
||
|
|
++itr_nxt;
|
||
|
|
rectangle_data<Unit> bbox;
|
||
|
|
extents(bbox, *itr);
|
||
|
|
uat pwidth = delta(bbox, HORIZONTAL);
|
||
|
|
if(pwidth > min_width && pwidth <= max_width){
|
||
|
|
uat pheight = delta(bbox, VERTICAL);
|
||
|
|
if(pheight > min_height && pheight <= max_height){
|
||
|
|
typename coordinate_traits<Unit>::area_type parea = area(*itr);
|
||
|
|
if(parea <= max_area && parea >= min_area) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
polys.erase(itr);
|
||
|
|
}
|
||
|
|
assign(polygon_set, polys);
|
||
|
|
return polygon_set;
|
||
|
|
}
|
||
|
|
|
||
|
|
template <typename T>
|
||
|
|
struct view_of<polygon_90_set_concept, T> {
|
||
|
|
typedef typename get_coordinate_type<T, typename geometry_concept<T>::type >::type coordinate_type;
|
||
|
|
T* tp;
|
||
|
|
std::vector<polygon_90_with_holes_data<coordinate_type> > polys;
|
||
|
|
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_90_with_holes_data<coordinate_type>());
|
||
|
|
assign(polys.back(), view_as<polygon_90_with_holes_concept>(*itr));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
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_90_with_holes_data<coordinate_type>());
|
||
|
|
assign(polys.back(), view_as<polygon_90_with_holes_concept>(*itr));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
typedef typename std::vector<polygon_90_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_90_set_traits<view_of<polygon_90_set_concept, T> > {
|
||
|
|
typedef typename view_of<polygon_90_set_concept, T>::coordinate_type coordinate_type;
|
||
|
|
typedef typename view_of<polygon_90_set_concept, T>::iterator_type iterator_type;
|
||
|
|
typedef view_of<polygon_90_set_concept, T> operator_arg_type;
|
||
|
|
|
||
|
|
static inline iterator_type begin(const view_of<polygon_90_set_concept, T>& polygon_set) {
|
||
|
|
return polygon_set.begin();
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline iterator_type end(const view_of<polygon_90_set_concept, T>& polygon_set) {
|
||
|
|
return polygon_set.end();
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline orientation_2d orient(const view_of<polygon_90_set_concept, T>& polygon_set) {
|
||
|
|
return polygon_set.orient(); }
|
||
|
|
|
||
|
|
static inline bool clean(const view_of<polygon_90_set_concept, T>& polygon_set) {
|
||
|
|
return polygon_set.clean(); }
|
||
|
|
|
||
|
|
static inline bool sorted(const view_of<polygon_90_set_concept, T>& polygon_set) {
|
||
|
|
return polygon_set.sorted(); }
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
template <typename T>
|
||
|
|
struct geometry_concept<view_of<polygon_90_set_concept, T> > {
|
||
|
|
typedef polygon_90_set_concept type;
|
||
|
|
};
|
||
|
|
|
||
|
|
template <typename T>
|
||
|
|
struct get_coordinate_type<view_of<polygon_90_set_concept, T>, polygon_90_set_concept> {
|
||
|
|
typedef typename view_of<polygon_90_set_concept, T>::coordinate_type type;
|
||
|
|
};
|
||
|
|
template <typename T>
|
||
|
|
struct get_iterator_type_2<view_of<polygon_90_set_concept, T>, polygon_90_set_concept> {
|
||
|
|
typedef typename view_of<polygon_90_set_concept, T>::iterator_type type;
|
||
|
|
static type begin(const view_of<polygon_90_set_concept, T>& t) { return t.begin(); }
|
||
|
|
static type end(const view_of<polygon_90_set_concept, T>& t) { return t.end(); }
|
||
|
|
};
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#include "detail/polygon_45_set_view.hpp"
|
||
|
|
#endif
|