/*
Copyright 2008 Intel Corporation
Use, modification and distribution are subject to the Boost Software License,
Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
http://www.boost.org/LICENSE_1_0.txt).
*/
#ifndef BOOST_POLYGON_POLYGON_90_SET_CONCEPT_HPP
#define BOOST_POLYGON_POLYGON_90_SET_CONCEPT_HPP
#include "polygon_90_set_data.hpp"
#include "polygon_90_set_traits.hpp"
namespace boost { namespace polygon{
template <typename polygon_set_type>
typename enable_if< typename is_polygon_90_set_type<polygon_set_type>::type,
typename polygon_90_set_traits<polygon_set_type>::iterator_type>::type
begin_90_set_data(const polygon_set_type& polygon_set) {
return polygon_90_set_traits<polygon_set_type>::begin(polygon_set);
}
template <typename polygon_set_type>
typename enable_if< typename is_polygon_90_set_type<polygon_set_type>::type,
typename polygon_90_set_traits<polygon_set_type>::iterator_type>::type
end_90_set_data(const polygon_set_type& polygon_set) {
return polygon_90_set_traits<polygon_set_type>::end(polygon_set);
}
template <typename polygon_set_type>
typename enable_if< typename is_polygon_90_set_type<polygon_set_type>::type,
orientation_2d>::type
scanline_orientation(const polygon_set_type& polygon_set) {
return polygon_90_set_traits<polygon_set_type>::orient(polygon_set);
}
template <typename polygon_set_type>
typename enable_if< typename is_polygon_90_set_type<polygon_set_type>::type,
bool>::type
clean(const polygon_set_type& polygon_set) {
return polygon_90_set_traits<polygon_set_type>::clean(polygon_set);
}
//assign
template <typename polygon_set_type_1, typename polygon_set_type_2>
typename enable_if <
typename gtl_and<
typename is_mutable_polygon_90_set_type<polygon_set_type_1>::type,
typename is_polygon_90_set_type<polygon_set_type_2>::type>::type,
polygon_set_type_1>::type &
assign(polygon_set_type_1& lvalue, const polygon_set_type_2& rvalue) {
polygon_90_set_mutable_traits<polygon_set_type_1>::set(lvalue, begin_90_set_data(rvalue), end_90_set_data(rvalue),
scanline_orientation(rvalue));
return lvalue;
}
template <typename T1, typename T2>
struct are_not_both_rectangle_concept { typedef gtl_yes type; };
template <>
struct are_not_both_rectangle_concept<rectangle_concept, rectangle_concept> { typedef gtl_no type; };
//equivalence
template <typename polygon_set_type_1, typename polygon_set_type_2>
typename enable_if< typename gtl_and_3<
typename is_polygon_90_set_type<polygon_set_type_1>::type,
typename is_polygon_90_set_type<polygon_set_type_2>::type,
typename are_not_both_rectangle_concept<typename geometry_concept<polygon_set_type_1>::type,
typename geometry_concept<polygon_set_type_2>::type>::type>::type,
bool>::type
equivalence(const polygon_set_type_1& lvalue,
const polygon_set_type_2& rvalue) {
polygon_90_set_data<typename polygon_90_set_traits<polygon_set_type_1>::coordinate_type> ps1;
assign(ps1, lvalue);
polygon_90_set_data<typename polygon_90_set_traits<polygon_set_type_2>::coordinate_type> ps2;
assign(ps2, rvalue);
return ps1 == ps2;
}
//get rectangle tiles (slicing orientation is vertical)
template <typename output_container_type, typename polygon_set_type>
typename enable_if< typename gtl_if<typename is_polygon_90_set_type<polygon_set_type>::type>::type,
void>::type
get_rectangles(output_container_type& output, const polygon_set_type& polygon_set) {
clean(polygon_set);
polygon_90_set_data<typename polygon_90_set_traits<polygon_set_type>::coordinate_type> ps(VERTICAL);
assign(ps, polygon_set);
ps.get_rectangles(output);
}
//get rectangle tiles
template <typename output_container_type, typename polygon_set_type>
typename enable_if< typename gtl_if<typename is_polygon_90_set_type<polygon_set_type>::type>::type,
void>::type
get_rectangles(output_container_type& output, const polygon_set_type& polygon_set, orientation_2d slicing_orientation) {
clean(polygon_set);
polygon_90_set_data<typename polygon_90_set_traits<polygon_set_type>::coordinate_type> ps;
assign(ps, polygon_set);
ps.get_rectangles(output, slicing_orientation);
}
//get: min_rectangles max_rectangles
template <typename output_container_type, typename polygon_set_type>
typename enable_if <typename gtl_and<
typename is_polygon_90_set_type<polygon_set_type>::type,
typename gtl_same_type<rectangle_concept,
typename geometry_concept
<typename std::iterator_traits
<typename output_container_type::iterator>::value_type>::type>::type>::type,
void>::type
get_max_rectangles(output_container_type& output, const polygon_set_type& polygon_set) {
std::vector<rectangle_data<typename polygon_90_set_traits<polygon_set_type>::coordinate_type> > rects;
assign(rects, polygon_set);
MaxCover<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::getMaxCover(output, rects, scanline_orientation(polygon_set));
}
//clear
template <typename polygon_set_type>
typename enable_if< typename is_mutable_polygon_90_set_type<polygon_set_type>::type,
void>::type
clear(polygon_set_type& polygon_set) {
polygon_90_set_data<typename polygon_90_set_traits<polygon_set_type>::coordinate_type> ps(scanline_orientation(polygon_set));
assign(polygon_set, ps);
}
//empty
template <typename polygon_set_type>
typename enable_if< typename is_mutable_polygon_90_set_type<polygon_set_type>::type,
bool>::type
empty(const polygon_set_type& polygon_set) {
if(clean(polygon_set)) return begin_90_set_data(polygon_set) == end_90_set_data(polygon_set);
polygon_90_set_data<typename polygon_90_set_traits<polygon_set_type>::coordinate_type> ps;
assign(ps, polygon_set);
ps.clean();
return ps.empty();
}
//extents
template <typename polygon_set_type, typename rectangle_type>
typename enable_if <typename gtl_and< typename is_mutable_polygon_90_set_type<polygon_set_type>::type,
typename is_mutable_rectangle_concept<typename geometry_concept<rectangle_type>::type>::type>::type,
bool>::type
extents(rectangle_type& extents_rectangle,
const polygon_set_type& polygon_set) {
typedef typename polygon_90_set_traits<polygon_set_type>::coordinate_type Unit;
polygon_90_set_data<Unit> ps;
assign(ps, polygon_set);
return ps.extents(extents_rectangle);
}
//area
template <typename polygon_set_type>
typename enable_if< typename is_mutable_polygon_90_set_type<polygon_set_type>::type,
typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::manhattan_area_type>::type
area(const polygon_set_type& polygon_set) {
typedef rectangle_data<typename polygon_90_set_traits<polygon_set_type>::coordinate_type> rectangle_type;
typedef typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::manhattan_area_type area_type;
std::vector<rectangle_type> rects;
assign(rects, polygon_set);
area_type retval = (area_type)0;
for(std::size_t i = 0; i < rects.size(); ++i) {
retval += (area_type)area(rects[i]);
}
return retval;
}
//interact
template <typename polygon_set_type_1, typename polygon_set_type_2>
typename enable_if <typename gtl_and< typename is_mutable_polygon_90_set_type<polygon_set_type_1>::type,
typename is_mutable_polygon_90_set_type<polygon_set_type_2>::type>::type,
polygon_set_type_1>::type&
interact(polygon_set_type_1& polygon_set_1, const polygon_set_type_2& polygon_set_2) {
typedef typename polygon_90_set_traits<polygon_set_type_1>::coordinate_type Unit;
polygon_90_set_data<Unit> ps(scanline_orientation(polygon_set_2));
polygon_90_set_data<Unit> ps2(ps);
ps.insert(polygon_set_1);
ps2.insert(polygon_set_2);
ps.interact(ps2);
assign(polygon_set_1, ps);
return polygon_set_1;
}
//self_intersect
template <typename polygon_set_type>
typename enable_if< typename is_mutable_polygon_90_set_type<polygon_set_type>::type,
polygon_set_type>::type &
self_intersect(polygon_set_type& polygon_set) {
typedef typename polygon_90_set_traits<polygon_set_type>::coordinate_type Unit;
polygon_90_set_data<Unit> ps;
assign(ps, polygon_set);
ps.self_intersect();
assign(polygon_set, ps);
return polygon_set;
}
//self_xor
template <typename polygon_set_type>
typename enable_if< typename is_mutable_polygon_90_set_type<polygon_set_type>::type,
polygon_set_type>::type &
self_xor(polygon_set_type& polygon_set) {
typedef typename polygon_90_set_traits<polygon_set_type>::coordinate_type Unit;
polygon_90_set_data<Unit> ps;
assign(ps, polygon_set);
ps.self_xor();
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 &
bloat(polygon_set_type& polygon_set,
typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type bloating) {
return bloat(polygon_set, bloating, bloating, bloating, bloating);
}
template <typename polygon_set_type>
typename enable_if< typename is_mutable_polygon_90_set_type<polygon_set_type>::type,
polygon_set_type>::type &
bloat(polygon_set_type& polygon_set, orientation_2d orient,
typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type bloating) {
if(orient == orientation_2d(HORIZONTAL))
return bloat(polygon_set, bloating, bloating, 0, 0);
return bloat(polygon_set, 0, 0, bloating, bloating);
}
template <typename polygon_set_type>
typename enable_if< typename is_mutable_polygon_90_set_type<polygon_set_type>::type,
polygon_set_type>::type &
bloat(polygon_set_type& polygon_set, orientation_2d orient,
typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type low_bloating,
typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type high_bloating) {
if(orient == orientation_2d(HORIZONTAL))
return bloat(polygon_set, low_bloating, high_bloating, 0, 0);
return bloat(polygon_set, 0, 0, low_bloating, high_bloating);
}
template <typename polygon_set_type>
typename enable_if< typename is_mutable_polygon_90_set_type<polygon_set_type>::type,
polygon_set_type>::type &
bloat(polygon_set_type& polygon_set, direction_2d dir,
typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type bloating) {
if(dir == direction_2d(EAST))
return bloat(polygon_set, 0, bloating, 0, 0);
if(dir == direction_2d(WEST))
return bloat(polygon_set, bloating, 0, 0, 0);
if(dir == direction_2d(SOUTH))
return bloat(polygon_set, 0, 0, bloating, 0);
return bloat(polygon_set, 0, 0, 0, bloating);
}
template <typename polygon_set_type>
typename enable_if< typename is_mutable_polygon_90_set_type<polygon_set_type>::type,
polygon_set_type>::type &
bloat(polygon_set_type& polygon_set,
typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type west_bloating,
typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type east_bloating,
typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type south_bloating,
typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type north_bloating) {
typedef typename polygon_90_set_traits<polygon_set_type>::coordinate_type Unit;
polygon_90_set_data<Unit> ps;
assign(ps, polygon_set);
ps.bloat(west_bloating, east_bloating, south_bloating, north_bloating);
ps.clean();
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 &
shrink(polygon_set_type& polygon_set,
typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type shrinking) {
return shrink(polygon_set, shrinking, shrinking, shrinking, shrinking);
}
template <typename polygon_set_type>
typename enable_if< typename is_mutable_polygon_90_set_type<polygon_set_type>::type,
polygon_set_type>::type &
shrink(polygon_set_type& polygon_set, orientation_2d orient,
typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type shrinking) {
if(orient == orientation_2d(HORIZONTAL))
return shrink(polygon_set, shrinking, shrinking, 0, 0);
return shrink(polygon_set, 0, 0, shrinking, shrinking);
}
template <typename polygon_set_type>
typename enable_if< typename is_mutable_polygon_90_set_type<polygon_set_type>::type,
polygon_set_type>::type &
shrink(polygon_set_type& polygon_set, orientation_2d orient,
typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type low_shrinking,
typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type high_shrinking) {
if(orient == orientation_2d(HORIZONTAL))
return shrink(polygon_set, low_shrinking, high_shrinking, 0, 0);
return shrink(polygon_set, 0, 0, low_shrinking, high_shrinking);
}
template <typename polygon_set_type>
typename enable_if< typename is_mutable_polygon_90_set_type<polygon_set_type>::type,
polygon_set_type>::type &
shrink(polygon_set_type& polygon_set, direction_2d dir,
typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type shrinking) {
if(dir == direction_2d(EAST))
return shrink(polygon_set, 0, shrinking, 0, 0);
if(dir == direction_2d(WEST))
return shrink(polygon_set, shrinking, 0, 0, 0);
if(dir == direction_2d(SOUTH))
return shrink(polygon_set, 0, 0, shrinking, 0);
return shrink(polygon_set, 0, 0, 0, shrinking);
}
template <typename polygon_set_type>
typename enable_if< typename is_mutable_polygon_90_set_type<polygon_set_type>::type,
polygon_set_type>::type &
shrink(polygon_set_type& polygon_set,
typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type west_shrinking,
typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type east_shrinking,
typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type south_shrinking,
typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type north_shrinking) {
typedef typename polygon_90_set_traits<polygon_set_type>::coordinate_type Unit;
polygon_90_set_data<Unit> ps;
assign(ps, polygon_set);
ps.shrink(west_shrinking, east_shrinking, south_shrinking, north_shrinking);
ps.clean();
assign(polygon_set, ps);
return polygon_set;
}
template <typename polygon_set_type, typename coord_type>
typename enable_if< typename is_mutable_polygon_90_set_type<polygon_set_type>::type,
polygon_set_type>::type &
resize(polygon_set_type& polygon_set, coord_type resizing) {
typedef typename polygon_90_set_traits<polygon_set_type>::coordinate_type Unit;
if(resizing > 0) {
return bloat(polygon_set, resizing);
}
if(resizing < 0) {
return shrink(polygon_set, -resizing);
}
return polygon_set;
}
//positive or negative values allow for any and all directions of sizing
template <typename polygon_set_type, typename coord_type>
typename enable_if< typename is_mutable_polygon_90_set_type<polygon_set_type>::type,
polygon_set_type>::type &
resize(polygon_set_type& polygon_set, coord_type west, coord_type east, coord_type south, coord_type north) {
typedef typename polygon_90_set_traits<polygon_set_type>::coordinate_type Unit;
polygon_90_set_data<Unit> ps;
assign(ps, polygon_set);
ps.resize(west, east, south, north);
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 &
grow_and(polygon_set_type& polygon_set,
typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type bloating) {
return grow_and(polygon_set, bloating, bloating, bloating, bloating);
}
template <typename polygon_set_type>
typename enable_if< typename is_mutable_polygon_90_set_type<polygon_set_type>::type,
polygon_set_type>::type &
grow_and(polygon_set_type& polygon_set, orientation_2d orient,
typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type bloating) {
if(orient == orientation_2d(HORIZONTAL))
return grow_and(polygon_set, bloating, bloating, 0, 0);
return grow_and(polygon_set, 0, 0, bloating, bloating);
}
template <typename polygon_set_type>
typename enable_if< typename is_mutable_polygon_90_set_type<polygon_set_type>::type,
polygon_set_type>::type &
grow_and(polygon_set_type& polygon_set, orientation_2d orient,
typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type low_bloating,
typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type high_bloating) {
if(orient == orientation_2d(HORIZONTAL))
return grow_and(polygon_set, low_bloating, high_bloating, 0, 0);
return grow_and(polygon_set, 0, 0, low_bloating, high_bloating);
}
template <typename polygon_set_type>
typename enable_if< typename is_mutable_polygon_90_set_type<polygon_set_type>::type,
polygon_set_type>::type &
grow_and(polygon_set_type& polygon_set, direction_2d dir,
typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type bloating) {
if(dir == direction_2d(EAST))
return grow_and(polygon_set, 0, bloating, 0, 0);
if(dir == direction_2d(WEST))
return grow_and(polygon_set, bloating, 0, 0, 0);
if(dir == direction_2d(SOUTH))
return grow_and(polygon_set, 0, 0, bloating, 0);
return grow_and(polygon_set, 0, 0, 0, bloating);
}
template <typename polygon_set_type>
typename enable_if< typename gtl_if<typename is_mutable_polygon_90_set_type<polygon_set_type>::type>::type,
polygon_set_type>::type &
grow_and(polygon_set_type& polygon_set,
typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type west_bloating,
typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type east_bloating,
typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type south_bloating,
typename coordinate_traits<typename polygon_90_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type north_bloating) {
typedef typename polygon_90_set_traits<polygon_set_type>::coordinate_type Unit;
std::vector<polygon_90_data<Unit> > polys;
assign(polys, polygon_set);
clear(polygon_set);
polygon_90_set_data<Unit> ps(scanline_orientation(polygon_set));
for(std::size_t i = 0; i < polys.size(); ++i) {
polygon_90_set_data<Unit> tmpPs(scanline_orientation(polygon_set));
tmpPs.insert(polys[i]);
bloat(tmpPs, west_bloating, east_bloating, south_bloating, north_bloating);
tmpPs.clean(); //apply implicit OR on tmp polygon set
ps.insert(tmpPs);
}
self_intersect(ps);
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_up(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_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