/*
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_45_SET_CONCEPT_HPP
#define BOOST_POLYGON_POLYGON_45_SET_CONCEPT_HPP
#include "polygon_45_set_data.hpp"
#include "polygon_45_set_traits.hpp"
#include "detail/polygon_45_touch.hpp"
namespace boost { namespace polygon{
template <typename T, typename T2>
struct is_either_polygon_45_set_type {
typedef typename gtl_or<typename is_polygon_45_set_type<T>::type, typename is_polygon_45_set_type<T2>::type >::type type;
};
template <typename T>
struct is_polygon_45_or_90_set_type {
typedef typename gtl_or<typename is_polygon_45_set_type<T>::type, typename is_polygon_90_set_type<T>::type >::type type;
};
template <typename polygon_set_type>
typename enable_if< typename gtl_if<typename is_polygon_45_or_90_set_type<polygon_set_type>::type>::type,
typename polygon_45_set_traits<polygon_set_type>::iterator_type>::type
begin_45_set_data(const polygon_set_type& polygon_set) {
return polygon_45_set_traits<polygon_set_type>::begin(polygon_set);
}
template <typename polygon_set_type>
typename enable_if< typename gtl_if<typename is_polygon_45_or_90_set_type<polygon_set_type>::type>::type,
typename polygon_45_set_traits<polygon_set_type>::iterator_type>::type
end_45_set_data(const polygon_set_type& polygon_set) {
return polygon_45_set_traits<polygon_set_type>::end(polygon_set);
}
template <typename polygon_set_type>
typename enable_if< typename gtl_if<typename is_polygon_45_set_type<polygon_set_type>::type>::type,
bool>::type
clean(const polygon_set_type& polygon_set) {
return polygon_45_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 gtl_if<typename is_mutable_polygon_45_set_type<polygon_set_type_1>::type>::type,
typename gtl_if<typename is_polygon_45_or_90_set_type<polygon_set_type_2>::type>::type>::type,
polygon_set_type_1>::type &
assign(polygon_set_type_1& lvalue, const polygon_set_type_2& rvalue) {
polygon_45_set_mutable_traits<polygon_set_type_1>::set(lvalue, begin_45_set_data(rvalue), end_45_set_data(rvalue));
return lvalue;
}
//get trapezoids
template <typename output_container_type, typename polygon_set_type>
typename enable_if< typename gtl_if<typename is_polygon_45_set_type<polygon_set_type>::type>::type,
void>::type
get_trapezoids(output_container_type& output, const polygon_set_type& polygon_set) {
clean(polygon_set);
polygon_45_set_data<typename polygon_45_set_traits<polygon_set_type>::coordinate_type> ps;
assign(ps, polygon_set);
ps.get_trapezoids(output);
}
//get trapezoids
template <typename output_container_type, typename polygon_set_type>
typename enable_if< typename gtl_if<typename is_polygon_45_set_type<polygon_set_type>::type>::type,
void>::type
get_trapezoids(output_container_type& output, const polygon_set_type& polygon_set, orientation_2d slicing_orientation) {
clean(polygon_set);
polygon_45_set_data<typename polygon_45_set_traits<polygon_set_type>::coordinate_type> ps;
assign(ps, polygon_set);
ps.get_trapezoids(output, slicing_orientation);
}
//equivalence
template <typename polygon_set_type_1, typename polygon_set_type_2>
typename enable_if< typename gtl_and_3<typename gtl_if<typename is_polygon_45_or_90_set_type<polygon_set_type_1>::type>::type,
typename gtl_if<typename is_polygon_45_or_90_set_type<polygon_set_type_2>::type>::type,
typename gtl_if<typename is_either_polygon_45_set_type<polygon_set_type_1,
polygon_set_type_2>::type>::type>::type,
bool>::type
equivalence(const polygon_set_type_1& lvalue,
const polygon_set_type_2& rvalue) {
polygon_45_set_data<typename polygon_45_set_traits<polygon_set_type_1>::coordinate_type> ps1;
assign(ps1, lvalue);
polygon_45_set_data<typename polygon_45_set_traits<polygon_set_type_2>::coordinate_type> ps2;
assign(ps2, rvalue);
return ps1 == ps2;
}
//clear
template <typename polygon_set_type>
typename enable_if< typename gtl_if<typename is_mutable_polygon_45_set_type<polygon_set_type>::type>::type,
void>::type
clear(polygon_set_type& polygon_set) {
polygon_45_set_data<typename polygon_45_set_traits<polygon_set_type>::coordinate_type> ps;
assign(polygon_set, ps);
}
//empty
template <typename polygon_set_type>
typename enable_if< typename gtl_if<typename is_mutable_polygon_45_set_type<polygon_set_type>::type>::type,
bool>::type
empty(const polygon_set_type& polygon_set) {
if(clean(polygon_set)) return begin_45_set_data(polygon_set) == end_45_set_data(polygon_set);
polygon_45_set_data<typename polygon_45_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 gtl_if<typename is_mutable_polygon_45_set_type<polygon_set_type>::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) {
clean(polygon_set);
polygon_45_set_data<typename polygon_45_set_traits<polygon_set_type>::coordinate_type> ps;
assign(ps, polygon_set);
return ps.extents(extents_rectangle);
}
//area
template <typename polygon_set_type>
typename enable_if< typename is_mutable_polygon_45_set_type<polygon_set_type>::type,
typename coordinate_traits<typename polygon_45_set_traits<polygon_set_type>::coordinate_type>::area_type>::type
area(const polygon_set_type& polygon_set) {
typedef typename polygon_45_set_traits<polygon_set_type>::coordinate_type Unit;
typedef polygon_45_with_holes_data<Unit> p_type;
typedef typename coordinate_traits<Unit>::area_type area_type;
std::vector<p_type> polys;
assign(polys, polygon_set);
area_type retval = (area_type)0;
for(std::size_t i = 0; i < polys.size(); ++i) {
retval += area(polys[i]);
}
return retval;
}
//interact
template <typename polygon_set_type_1, typename polygon_set_type_2>
typename enable_if <
typename gtl_and< typename gtl_if<typename is_mutable_polygon_45_set_type<polygon_set_type_1>::type>::type,
typename gtl_if<typename is_polygon_45_or_90_set_type<polygon_set_type_2>::type>::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_45_set_traits<polygon_set_type_1>::coordinate_type Unit;
std::vector<polygon_45_data<Unit> > polys;
assign(polys, polygon_set_1);
std::vector<std::set<int> > graph(polys.size()+1, std::set<int>());
connectivity_extraction_45<Unit> ce;
ce.insert(polygon_set_2);
for(std::size_t i = 0; i < polys.size(); ++i){
ce.insert(polys[i]);
}
ce.extract(graph);
clear(polygon_set_1);
polygon_45_set_data<Unit> ps;
for(std::set<int>::iterator itr = graph[0].begin(); itr != graph[0].end(); ++itr){
ps.insert(polys[(*itr)-1]);
}
assign(polygon_set_1, ps);
return polygon_set_1;
}
// //self_intersect
// template <typename polygon_set_type>
// typename enable_if< typename is_mutable_polygon_45_set_type<polygon_set_type>::type>::type,
// polygon_set_type>::type &
// self_intersect(polygon_set_type& polygon_set) {
// typedef typename polygon_45_set_traits<polygon_set_type>::coordinate_type Unit;
// //TODO
// }
template <typename polygon_set_type, typename coord_type>
typename enable_if< typename is_mutable_polygon_45_set_type<polygon_set_type>::type,
polygon_set_type>::type &
resize(polygon_set_type& polygon_set, coord_type resizing,
RoundingOption rounding = CLOSEST, CornerOption corner = INTERSECTION) {
typedef typename polygon_45_set_traits<polygon_set_type>::coordinate_type Unit;
clean(polygon_set);
polygon_45_set_data<Unit> ps;
assign(ps, polygon_set);
ps.resize(resizing, rounding, corner);
assign(polygon_set, ps);
return polygon_set;
}
template <typename polygon_set_type>
typename enable_if< typename is_mutable_polygon_45_set_type<polygon_set_type>::type,
polygon_set_type>::type &
bloat(polygon_set_type& polygon_set,
typename coordinate_traits<typename polygon_45_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type bloating) {
return resize(polygon_set, static_cast<typename polygon_45_set_traits<polygon_set_type>::coordinate_type>(bloating));
}
template <typename polygon_set_type>
typename enable_if< typename is_mutable_polygon_45_set_type<polygon_set_type>::type,
polygon_set_type>::type &
shrink(polygon_set_type& polygon_set,
typename coordinate_traits<typename polygon_45_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type shrinking) {
return resize(polygon_set, -(typename polygon_45_set_traits<polygon_set_type>::coordinate_type)shrinking);
}
template <typename polygon_set_type>
typename enable_if< typename is_mutable_polygon_45_set_type<polygon_set_type>::type,
polygon_set_type>::type &
grow_and(polygon_set_type& polygon_set,
typename coordinate_traits<typename polygon_45_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type bloating) {
typedef typename polygon_45_set_traits<polygon_set_type>::coordinate_type Unit;
std::vector<polygon_45_data<Unit> > polys;
assign(polys, polygon_set);
clear(polygon_set);
polygon_45_set_data<Unit> ps;
for(std::size_t i = 0; i < polys.size(); ++i) {
polygon_45_set_data<Unit> tmpPs;
tmpPs.insert(polys[i]);
bloat(tmpPs, bloating);
tmpPs.clean(); //apply implicit OR on tmp polygon set
ps.insert(tmpPs);
}
ps.self_intersect();
assign(polygon_set, ps);
return polygon_set;
}
template <typename polygon_set_type>
typename enable_if< typename is_mutable_polygon_45_set_type<polygon_set_type>::type,
polygon_set_type>::type &
scale_up(polygon_set_type& polygon_set,
typename coordinate_traits<typename polygon_45_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type factor) {
typedef typename polygon_45_set_traits<polygon_set_type>::coordinate_type Unit;
clean(polygon_set);
polygon_45_set_data<Unit> ps;
assign(ps, polygon_set);
ps.scale_up(factor);
assign(polygon_set, ps);
return polygon_set;
}
template <typename polygon_set_type>
typename enable_if< typename is_mutable_polygon_45_set_type<polygon_set_type>::type,
polygon_set_type>::type &
scale_down(polygon_set_type& polygon_set,
typename coordinate_traits<typename polygon_45_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type factor) {
typedef typename polygon_45_set_traits<polygon_set_type>::coordinate_type Unit;
clean(polygon_set);
polygon_45_set_data<Unit> ps;
assign(ps, polygon_set);
ps.scale_down(factor);
assign(polygon_set, ps);
return polygon_set;
}
template <typename polygon_set_type>
typename enable_if< typename is_mutable_polygon_45_set_type<polygon_set_type>::type,
polygon_set_type>::type &
scale(polygon_set_type& polygon_set, double factor) {
typedef typename polygon_45_set_traits<polygon_set_type>::coordinate_type Unit;
clean(polygon_set);
polygon_45_set_data<Unit> ps;
assign(ps, polygon_set);
ps.scale(factor);
assign(polygon_set, ps);
return polygon_set;
}
//self_intersect
template <typename polygon_set_type>
typename enable_if< typename is_mutable_polygon_45_set_type<polygon_set_type>::type,
polygon_set_type>::type &
self_intersect(polygon_set_type& polygon_set) {
typedef typename polygon_45_set_traits<polygon_set_type>::coordinate_type Unit;
polygon_45_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_45_set_type<polygon_set_type>::type,
polygon_set_type>::type &
self_xor(polygon_set_type& polygon_set) {
typedef typename polygon_45_set_traits<polygon_set_type>::coordinate_type Unit;
polygon_45_set_data<Unit> ps;
assign(ps, polygon_set);
ps.self_xor();
assign(polygon_set, ps);
return polygon_set;
}
//transform
template <typename polygon_set_type, typename transformation_type>
typename enable_if< typename is_mutable_polygon_45_set_type<polygon_set_type>::type,
polygon_set_type>::type &
transform(polygon_set_type& polygon_set,
const transformation_type& transformation) {
typedef typename polygon_45_set_traits<polygon_set_type>::coordinate_type Unit;
clean(polygon_set);
polygon_45_set_data<Unit> ps;
assign(ps, polygon_set);
ps.transform(transformation);
assign(polygon_set, ps);
return polygon_set;
}
//keep
template <typename polygon_set_type>
typename enable_if< typename is_mutable_polygon_45_set_type<polygon_set_type>::type,
polygon_set_type>::type &
keep(polygon_set_type& polygon_set,
typename coordinate_traits<typename polygon_45_set_traits<polygon_set_type>::coordinate_type>::area_type min_area,
typename coordinate_traits<typename polygon_45_set_traits<polygon_set_type>::coordinate_type>::area_type max_area,
typename coordinate_traits<typename polygon_45_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type min_width,
typename coordinate_traits<typename polygon_45_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type max_width,
typename coordinate_traits<typename polygon_45_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type min_height,
typename coordinate_traits<typename polygon_45_set_traits<polygon_set_type>::coordinate_type>::unsigned_area_type max_height) {
typedef typename polygon_45_set_traits<polygon_set_type>::coordinate_type Unit;
typedef typename coordinate_traits<Unit>::unsigned_area_type uat;
std::list<polygon_45_data<Unit> > polys;
assign(polys, polygon_set);
typename std::list<polygon_45_data<Unit> >::iterator itr_nxt;
for(typename std::list<polygon_45_data<Unit> >::iterator itr = polys.begin(); itr != polys.end(); itr = itr_nxt){
itr_nxt = itr;
++itr_nxt;
rectangle_data<Unit> bbox;
extents(bbox, *itr);
uat pwidth = delta(bbox, HORIZONTAL);
if(pwidth > min_width && pwidth <= max_width){
uat pheight = delta(bbox, VERTICAL);
if(pheight > min_height && pheight <= max_height){
typename coordinate_traits<Unit>::area_type parea = area(*itr);
if(parea <= max_area && parea >= min_area) {
continue;
}
}
}
polys.erase(itr);
}
assign(polygon_set, polys);
return polygon_set;
}
template <typename T>
struct view_of<polygon_90_set_concept, T> {
typedef typename get_coordinate_type<T, typename geometry_concept<T>::type >::type coordinate_type;
T* tp;
std::vector<polygon_90_with_holes_data<coordinate_type> > polys;
view_of(T& obj) : tp(&obj), polys() {
std::vector<polygon_with_holes_data<coordinate_type> > gpolys;
assign(gpolys, obj);
for(typename std::vector<polygon_with_holes_data<coordinate_type> >::iterator itr = gpolys.begin();
itr != gpolys.end(); ++itr) {
polys.push_back(polygon_90_with_holes_data<coordinate_type>());
assign(polys.back(), view_as<polygon_90_with_holes_concept>(*itr));
}
}
view_of(const T& obj) : tp(), polys() {
std::vector<polygon_with_holes_data<coordinate_type> > gpolys;
assign(gpolys, obj);
for(typename std::vector<polygon_with_holes_data<coordinate_type> >::iterator itr = gpolys.begin();
itr != gpolys.end(); ++itr) {
polys.push_back(polygon_90_with_holes_data<coordinate_type>());
assign(polys.back(), view_as<polygon_90_with_holes_concept>(*itr));
}
}
typedef typename std::vector<polygon_90_with_holes_data<coordinate_type> >::const_iterator iterator_type;
typedef view_of operator_arg_type;
inline iterator_type begin() const {
return polys.begin();
}
inline iterator_type end() const {
return polys.end();
}
inline orientation_2d orient() const { return HORIZONTAL; }
inline bool clean() const { return false; }
inline bool sorted() const { return false; }
inline T& get() { return *tp; }
};
template <typename T>
struct polygon_90_set_traits<view_of<polygon_90_set_concept, T> > {
typedef typename view_of<polygon_90_set_concept, T>::coordinate_type coordinate_type;
typedef typename view_of<polygon_90_set_concept, T>::iterator_type iterator_type;
typedef view_of<polygon_90_set_concept, T> operator_arg_type;
static inline iterator_type begin(const view_of<polygon_90_set_concept, T>& polygon_set) {
return polygon_set.begin();
}
static inline iterator_type end(const view_of<polygon_90_set_concept, T>& polygon_set) {
return polygon_set.end();
}
static inline orientation_2d orient(const view_of<polygon_90_set_concept, T>& polygon_set) {
return polygon_set.orient(); }
static inline bool clean(const view_of<polygon_90_set_concept, T>& polygon_set) {
return polygon_set.clean(); }
static inline bool sorted(const view_of<polygon_90_set_concept, T>& polygon_set) {
return polygon_set.sorted(); }
};
template <typename T>
struct geometry_concept<view_of<polygon_90_set_concept, T> > {
typedef polygon_90_set_concept type;
};
template <typename T>
struct get_coordinate_type<view_of<polygon_90_set_concept, T>, polygon_90_set_concept> {
typedef typename view_of<polygon_90_set_concept, T>::coordinate_type type;
};
template <typename T>
struct get_iterator_type_2<view_of<polygon_90_set_concept, T>, polygon_90_set_concept> {
typedef typename view_of<polygon_90_set_concept, T>::iterator_type type;
static type begin(const view_of<polygon_90_set_concept, T>& t) { return t.begin(); }
static type end(const view_of<polygon_90_set_concept, T>& t) { return t.end(); }
};
}
}
#include "detail/polygon_45_set_view.hpp"
#endif