/*
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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_CONCEPT_HPP
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#define BOOST_POLYGON_POLYGON_90_SET_CONCEPT_HPP
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#include "polygon_90_set_data.hpp"
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#include "polygon_90_set_traits.hpp"
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namespace boost { namespace polygon{
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template <typename polygon_set_type>
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typename enable_if< typename is_polygon_90_set_type<polygon_set_type>::type,
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typename polygon_90_set_traits<polygon_set_type>::iterator_type>::type
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begin_90_set_data(const polygon_set_type& polygon_set) {
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return polygon_90_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_polygon_90_set_type<polygon_set_type>::type,
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typename polygon_90_set_traits<polygon_set_type>::iterator_type>::type
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end_90_set_data(const polygon_set_type& polygon_set) {
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return polygon_90_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_90_set_type<polygon_set_type>::type,
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orientation_2d>::type
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scanline_orientation(const polygon_set_type& polygon_set) {
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return polygon_90_set_traits<polygon_set_type>::orient(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_90_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_90_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 <
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typename gtl_and<
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typename is_mutable_polygon_90_set_type<polygon_set_type_1>::type,
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typename is_polygon_90_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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polygon_90_set_mutable_traits<polygon_set_type_1>::set(lvalue, begin_90_set_data(rvalue), end_90_set_data(rvalue),
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scanline_orientation(rvalue));
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return lvalue;
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}
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template <typename T1, typename T2>
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struct are_not_both_rectangle_concept { typedef gtl_yes type; };
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template <>
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struct are_not_both_rectangle_concept<rectangle_concept, rectangle_concept> { typedef gtl_no type; };
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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_polygon_90_set_type<polygon_set_type_1>::type,
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typename is_polygon_90_set_type<polygon_set_type_2>::type,
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typename are_not_both_rectangle_concept<typename geometry_concept<polygon_set_type_1>::type,
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typename geometry_concept<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_90_set_data<typename polygon_90_set_traits<polygon_set_type_1>::coordinate_type> ps1;
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assign(ps1, lvalue);
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polygon_90_set_data<typename polygon_90_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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//get rectangle tiles (slicing orientation is vertical)
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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_90_set_type<polygon_set_type>::type>::type,
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void>::type
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get_rectangles(output_container_type& output, const polygon_set_type& polygon_set) {
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clean(polygon_set);
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polygon_90_set_data<typename polygon_90_set_traits<polygon_set_type>::coordinate_type> ps(VERTICAL);
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assign(ps, polygon_set);
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ps.get_rectangles(output);
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}
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//get rectangle tiles
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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_90_set_type<polygon_set_type>::type>::type,
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void>::type
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get_rectangles(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_90_set_data<typename polygon_90_set_traits<polygon_set_type>::coordinate_type> ps;
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assign(ps, polygon_set);
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ps.get_rectangles(output, slicing_orientation);
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}
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//get: min_rectangles max_rectangles
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template <typename output_container_type, typename polygon_set_type>
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typename enable_if <typename gtl_and<
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typename is_polygon_90_set_type<polygon_set_type>::type,
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typename gtl_same_type<rectangle_concept,
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typename geometry_concept
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<typename std::iterator_traits
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<typename output_container_type::iterator>::value_type>::type>::type>::type,
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void>::type
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get_max_rectangles(output_container_type& output, const polygon_set_type& polygon_set) {
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std::vector<rectangle_data<typename polygon_90_set_traits<polygon_set_type>::coordinate_type> > rects;
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assign(rects, polygon_set);
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MaxCover<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::getMaxCover(output, rects, scanline_orientation(polygon_set));
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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_90_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_90_set_data<typename polygon_90_set_traits<polygon_set_type>::coordinate_type> ps(scanline_orientation(polygon_set));
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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_90_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_90_set_data(polygon_set) == end_90_set_data(polygon_set);
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polygon_90_set_data<typename polygon_90_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< typename is_mutable_polygon_90_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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typedef typename polygon_90_set_traits<polygon_set_type>::coordinate_type Unit;
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polygon_90_set_data<Unit> 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_90_set_type<polygon_set_type>::type,
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typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::manhattan_area_type>::type
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area(const polygon_set_type& polygon_set) {
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typedef rectangle_data<typename polygon_90_set_traits<polygon_set_type>::coordinate_type> rectangle_type;
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typedef typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::manhattan_area_type area_type;
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std::vector<rectangle_type> rects;
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assign(rects, polygon_set);
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area_type retval = (area_type)0;
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for(std::size_t i = 0; i < rects.size(); ++i) {
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retval += (area_type)area(rects[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 <typename gtl_and< typename is_mutable_polygon_90_set_type<polygon_set_type_1>::type,
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typename is_mutable_polygon_90_set_type<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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typedef typename polygon_90_set_traits<polygon_set_type_1>::coordinate_type Unit;
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polygon_90_set_data<Unit> ps(scanline_orientation(polygon_set_2));
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polygon_90_set_data<Unit> ps2(ps);
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ps.insert(polygon_set_1);
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ps2.insert(polygon_set_2);
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ps.interact(ps2);
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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_90_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_90_set_traits<polygon_set_type>::coordinate_type Unit;
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polygon_90_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_90_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_90_set_traits<polygon_set_type>::coordinate_type Unit;
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polygon_90_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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template <typename polygon_set_type>
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typename enable_if< typename is_mutable_polygon_90_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_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type bloating) {
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return bloat(polygon_set, bloating, bloating, bloating, 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_90_set_type<polygon_set_type>::type,
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polygon_set_type>::type &
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bloat(polygon_set_type& polygon_set, orientation_2d orient,
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typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type bloating) {
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if(orient == orientation_2d(HORIZONTAL))
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return bloat(polygon_set, bloating, bloating, 0, 0);
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return bloat(polygon_set, 0, 0, bloating, 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_90_set_type<polygon_set_type>::type,
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polygon_set_type>::type &
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bloat(polygon_set_type& polygon_set, orientation_2d orient,
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typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type low_bloating,
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typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type high_bloating) {
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if(orient == orientation_2d(HORIZONTAL))
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return bloat(polygon_set, low_bloating, high_bloating, 0, 0);
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return bloat(polygon_set, 0, 0, low_bloating, high_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_90_set_type<polygon_set_type>::type,
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polygon_set_type>::type &
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bloat(polygon_set_type& polygon_set, direction_2d dir,
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typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type bloating) {
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if(dir == direction_2d(EAST))
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return bloat(polygon_set, 0, bloating, 0, 0);
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if(dir == direction_2d(WEST))
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return bloat(polygon_set, bloating, 0, 0, 0);
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if(dir == direction_2d(SOUTH))
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return bloat(polygon_set, 0, 0, bloating, 0);
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return bloat(polygon_set, 0, 0, 0, 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_90_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_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type west_bloating,
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typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type east_bloating,
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typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type south_bloating,
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typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type north_bloating) {
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typedef typename polygon_90_set_traits<polygon_set_type>::coordinate_type Unit;
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polygon_90_set_data<Unit> ps;
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assign(ps, polygon_set);
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ps.bloat(west_bloating, east_bloating, south_bloating, north_bloating);
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ps.clean();
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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_90_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_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type shrinking) {
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return shrink(polygon_set, shrinking, shrinking, shrinking, 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_90_set_type<polygon_set_type>::type,
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polygon_set_type>::type &
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shrink(polygon_set_type& polygon_set, orientation_2d orient,
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typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type shrinking) {
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if(orient == orientation_2d(HORIZONTAL))
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return shrink(polygon_set, shrinking, shrinking, 0, 0);
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return shrink(polygon_set, 0, 0, shrinking, 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_90_set_type<polygon_set_type>::type,
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polygon_set_type>::type &
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shrink(polygon_set_type& polygon_set, orientation_2d orient,
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typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type low_shrinking,
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typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type high_shrinking) {
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if(orient == orientation_2d(HORIZONTAL))
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return shrink(polygon_set, low_shrinking, high_shrinking, 0, 0);
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return shrink(polygon_set, 0, 0, low_shrinking, high_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_90_set_type<polygon_set_type>::type,
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polygon_set_type>::type &
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shrink(polygon_set_type& polygon_set, direction_2d dir,
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typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type shrinking) {
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if(dir == direction_2d(EAST))
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return shrink(polygon_set, 0, shrinking, 0, 0);
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if(dir == direction_2d(WEST))
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return shrink(polygon_set, shrinking, 0, 0, 0);
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if(dir == direction_2d(SOUTH))
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return shrink(polygon_set, 0, 0, shrinking, 0);
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return shrink(polygon_set, 0, 0, 0, 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_90_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_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type west_shrinking,
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typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type east_shrinking,
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typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type south_shrinking,
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typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type north_shrinking) {
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typedef typename polygon_90_set_traits<polygon_set_type>::coordinate_type Unit;
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polygon_90_set_data<Unit> ps;
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assign(ps, polygon_set);
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ps.shrink(west_shrinking, east_shrinking, south_shrinking, north_shrinking);
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ps.clean();
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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, typename coord_type>
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typename enable_if< typename is_mutable_polygon_90_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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if(resizing > 0) {
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return bloat(polygon_set, resizing);
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}
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if(resizing < 0) {
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return shrink(polygon_set, -resizing);
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}
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return polygon_set;
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}
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//positive or negative values allow for any and all directions of sizing
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template <typename polygon_set_type, typename coord_type>
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typename enable_if< typename is_mutable_polygon_90_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 west, coord_type east, coord_type south, coord_type north) {
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typedef typename polygon_90_set_traits<polygon_set_type>::coordinate_type Unit;
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polygon_90_set_data<Unit> ps;
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assign(ps, polygon_set);
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ps.resize(west, east, south, north);
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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_90_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_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type bloating) {
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return grow_and(polygon_set, bloating, bloating, bloating, 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_90_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, orientation_2d orient,
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typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type bloating) {
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if(orient == orientation_2d(HORIZONTAL))
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return grow_and(polygon_set, bloating, bloating, 0, 0);
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return grow_and(polygon_set, 0, 0, bloating, 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_90_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, orientation_2d orient,
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typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type low_bloating,
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typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type high_bloating) {
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if(orient == orientation_2d(HORIZONTAL))
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return grow_and(polygon_set, low_bloating, high_bloating, 0, 0);
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return grow_and(polygon_set, 0, 0, low_bloating, high_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_90_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, direction_2d dir,
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typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type bloating) {
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if(dir == direction_2d(EAST))
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return grow_and(polygon_set, 0, bloating, 0, 0);
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if(dir == direction_2d(WEST))
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return grow_and(polygon_set, bloating, 0, 0, 0);
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if(dir == direction_2d(SOUTH))
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return grow_and(polygon_set, 0, 0, bloating, 0);
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return grow_and(polygon_set, 0, 0, 0, bloating);
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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_mutable_polygon_90_set_type<polygon_set_type>::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_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type west_bloating,
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typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type east_bloating,
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typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type south_bloating,
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typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type north_bloating) {
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typedef typename polygon_90_set_traits<polygon_set_type>::coordinate_type Unit;
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std::vector<polygon_90_data<Unit> > polys;
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assign(polys, polygon_set);
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clear(polygon_set);
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polygon_90_set_data<Unit> ps(scanline_orientation(polygon_set));
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for(std::size_t i = 0; i < polys.size(); ++i) {
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polygon_90_set_data<Unit> tmpPs(scanline_orientation(polygon_set));
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tmpPs.insert(polys[i]);
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bloat(tmpPs, west_bloating, east_bloating, south_bloating, north_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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self_intersect(ps);
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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_90_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_90_set_traits<polygon_set_type>::coordinate_type>
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::unsigned_area_type factor) {
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typedef typename polygon_90_set_traits<polygon_set_type>::coordinate_type Unit;
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polygon_90_set_data<Unit> ps;
|
assign(ps, polygon_set);
|
ps.scale_up(factor);
|
assign(polygon_set, ps);
|
return polygon_set;
|
}
|
|
template <typename polygon_set_type>
|
typename enable_if< typename is_mutable_polygon_90_set_type<polygon_set_type>::type,
|
polygon_set_type>::type &
|
scale_down(polygon_set_type& polygon_set,
|
typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>
|
::unsigned_area_type factor) {
|
typedef typename polygon_90_set_traits<polygon_set_type>::coordinate_type Unit;
|
polygon_90_set_data<Unit> ps;
|
assign(ps, polygon_set);
|
ps.scale_down(factor);
|
assign(polygon_set, ps);
|
return polygon_set;
|
}
|
|
template <typename polygon_set_type, typename scaling_type>
|
typename enable_if< typename is_mutable_polygon_90_set_type<polygon_set_type>::type,
|
polygon_set_type>::type &
|
scale(polygon_set_type& polygon_set,
|
const scaling_type& scaling) {
|
typedef typename polygon_90_set_traits<polygon_set_type>::coordinate_type Unit;
|
polygon_90_set_data<Unit> ps;
|
assign(ps, polygon_set);
|
ps.scale(scaling);
|
assign(polygon_set, ps);
|
return polygon_set;
|
}
|
|
struct y_p_s_move : gtl_yes {};
|
|
//move
|
template <typename polygon_set_type>
|
typename enable_if< typename gtl_and<y_p_s_move, typename gtl_if<typename is_mutable_polygon_90_set_type<polygon_set_type>::type>::type>::type,
|
polygon_set_type>::type &
|
move(polygon_set_type& polygon_set,
|
orientation_2d orient, typename polygon_90_set_traits<polygon_set_type>::coordinate_type displacement) {
|
if(orient == HORIZONTAL)
|
return move(polygon_set, displacement, 0);
|
else
|
return move(polygon_set, 0, displacement);
|
}
|
|
struct y_p_s_move2 : gtl_yes {};
|
|
template <typename polygon_set_type>
|
typename enable_if< typename gtl_and<y_p_s_move2, typename gtl_if<typename is_mutable_polygon_90_set_type<polygon_set_type>::type>::type>::type,
|
polygon_set_type>::type &
|
move(polygon_set_type& polygon_set, typename polygon_90_set_traits<polygon_set_type>::coordinate_type x_displacement,
|
typename polygon_90_set_traits<polygon_set_type>::coordinate_type y_displacement) {
|
typedef typename polygon_90_set_traits<polygon_set_type>::coordinate_type Unit;
|
polygon_90_set_data<Unit> ps;
|
assign(ps, polygon_set);
|
ps.move(x_displacement, y_displacement);
|
ps.clean();
|
assign(polygon_set, ps);
|
return polygon_set;
|
}
|
|
//transform
|
template <typename polygon_set_type, typename transformation_type>
|
typename enable_if< typename is_mutable_polygon_90_set_type<polygon_set_type>::type,
|
polygon_set_type>::type &
|
transform(polygon_set_type& polygon_set,
|
const transformation_type& transformation) {
|
typedef typename polygon_90_set_traits<polygon_set_type>::coordinate_type Unit;
|
polygon_90_set_data<Unit> ps;
|
assign(ps, polygon_set);
|
ps.transform(transformation);
|
ps.clean();
|
assign(polygon_set, ps);
|
return polygon_set;
|
typedef typename polygon_90_set_traits<polygon_set_type>::coordinate_type Unit;
|
}
|
|
//keep
|
template <typename polygon_set_type>
|
typename enable_if< typename is_mutable_polygon_90_set_type<polygon_set_type>::type,
|
polygon_set_type>::type &
|
keep(polygon_set_type& polygon_set,
|
typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type min_area,
|
typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type max_area,
|
typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type min_width,
|
typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type max_width,
|
typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type min_height,
|
typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type max_height) {
|
typedef typename polygon_90_set_traits<polygon_set_type>::coordinate_type Unit;
|
typedef typename coordinate_traits<Unit>::unsigned_area_type uat;
|
std::list<polygon_90_data<Unit> > polys;
|
assign(polys, polygon_set);
|
clear(polygon_set);
|
typename std::list<polygon_90_data<Unit> >::iterator itr_nxt;
|
for(typename std::list<polygon_90_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){
|
uat parea = area(*itr);
|
if(parea <= max_area && parea >= min_area) {
|
continue;
|
}
|
}
|
}
|
polys.erase(itr);
|
}
|
assign(polygon_set, polys);
|
return polygon_set;
|
}
|
|
|
}
|
}
|
#include "detail/polygon_90_set_view.hpp"
|
#endif
|
