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548 lines
26 KiB
548 lines
26 KiB
/* |
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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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|
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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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|
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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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typedef typename polygon_90_set_traits<polygon_set_type>::coordinate_type Unit; |
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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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|
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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; |
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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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|
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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_down(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; |
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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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|
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template <typename polygon_set_type, typename scaling_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(polygon_set_type& polygon_set, |
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const scaling_type& scaling) { |
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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.scale(scaling); |
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assign(polygon_set, ps); |
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return polygon_set; |
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} |
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|
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//move |
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template <typename polygon_set_type> |
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polygon_set_type& |
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move(polygon_set_type& polygon_set, |
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orientation_2d orient, typename polygon_90_set_traits<polygon_set_type>::coordinate_type displacement, |
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typename enable_if< typename is_mutable_polygon_90_set_type<polygon_set_type>::type>::type * = 0) { |
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if(orient == HORIZONTAL) |
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return move(polygon_set, displacement, 0); |
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else |
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return move(polygon_set, 0, displacement); |
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} |
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|
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template <typename polygon_set_type> |
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polygon_set_type& |
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move(polygon_set_type& polygon_set, typename polygon_90_set_traits<polygon_set_type>::coordinate_type x_displacement, |
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typename polygon_90_set_traits<polygon_set_type>::coordinate_type y_displacement, |
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typename enable_if< typename is_mutable_polygon_90_set_type<polygon_set_type>::type>::type * = 0 |
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) { |
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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.move(x_displacement, y_displacement); |
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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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|
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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_90_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_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.transform(transformation); |
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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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typedef typename polygon_90_set_traits<polygon_set_type>::coordinate_type Unit; |
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} |
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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_90_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_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type min_area, |
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typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type max_area, |
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typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type min_width, |
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typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type max_width, |
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typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type min_height, |
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typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type max_height) { |
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typedef typename polygon_90_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_90_data<Unit> > polys; |
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assign(polys, polygon_set); |
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clear(polygon_set); |
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typename std::list<polygon_90_data<Unit> >::iterator itr_nxt; |
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for(typename std::list<polygon_90_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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uat 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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} |
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} |
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#include "detail/polygon_90_set_view.hpp" |
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#endif
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