kicad/include/boost/polygon/polygon_set_traits.hpp

134 lines
5.4 KiB
C++

/*
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_SET_TRAITS_HPP
#define BOOST_POLYGON_POLYGON_SET_TRAITS_HPP
namespace boost { namespace polygon{
struct polygon_set_concept {};
//default definition of polygon set traits works for any model of polygon , polygon with holes or any vector or list thereof
template <typename T>
struct polygon_set_traits {
typedef typename get_coordinate_type<T, typename geometry_concept<T>::type >::type coordinate_type;
typedef typename get_iterator_type<T>::type iterator_type;
typedef T operator_arg_type;
static inline iterator_type begin(const T& polygon_set) {
return get_iterator_type<T>::begin(polygon_set);
}
static inline iterator_type end(const T& polygon_set) {
return get_iterator_type<T>::end(polygon_set);
}
static inline bool clean(const T& ) { return false; }
static inline bool sorted(const T& ) { return false; }
};
template <typename T>
struct is_polygonal_concept { typedef gtl_no type; };
template <>
struct is_polygonal_concept<polygon_concept> { typedef gtl_yes type; };
template <>
struct is_polygonal_concept<polygon_with_holes_concept> { typedef gtl_yes type; };
template <>
struct is_polygonal_concept<polygon_set_concept> { typedef gtl_yes type; };
template <typename T>
struct is_polygon_set_type {
typedef typename is_polygonal_concept<typename geometry_concept<T>::type>::type type;
};
template <typename T>
struct is_polygon_set_type<std::list<T> > {
typedef typename gtl_or<
typename is_polygonal_concept<typename geometry_concept<std::list<T> >::type>::type,
typename is_polygonal_concept<typename geometry_concept<typename std::list<T>::value_type>::type>::type>::type type;
};
template <typename T>
struct is_polygon_set_type<std::vector<T> > {
typedef typename gtl_or<
typename is_polygonal_concept<typename geometry_concept<std::vector<T> >::type>::type,
typename is_polygonal_concept<typename geometry_concept<typename std::vector<T>::value_type>::type>::type>::type type;
};
template <typename T>
struct is_mutable_polygon_set_type {
typedef typename gtl_same_type<polygon_set_concept, typename geometry_concept<T>::type>::type type;
};
template <typename T>
struct is_mutable_polygon_set_type<std::list<T> > {
typedef typename gtl_or<
typename gtl_same_type<polygon_set_concept, typename geometry_concept<std::list<T> >::type>::type,
typename is_polygonal_concept<typename geometry_concept<typename std::list<T>::value_type>::type>::type>::type type;
};
template <typename T>
struct is_mutable_polygon_set_type<std::vector<T> > {
typedef typename gtl_or<
typename gtl_same_type<polygon_set_concept, typename geometry_concept<std::vector<T> >::type>::type,
typename is_polygonal_concept<typename geometry_concept<typename std::vector<T>::value_type>::type>::type>::type type;
};
template <typename T>
struct polygon_set_mutable_traits {};
template <typename T>
struct polygon_set_mutable_traits<std::list<T> > {
template <typename input_iterator_type>
static inline void set(std::list<T>& polygon_set, input_iterator_type input_begin, input_iterator_type input_end) {
polygon_set.clear();
polygon_set_data<typename polygon_set_traits<std::list<T> >::coordinate_type> ps;
ps.reserve(std::distance(input_begin, input_end));
ps.insert(input_begin, input_end);
ps.get(polygon_set);
}
};
template <typename T>
struct polygon_set_mutable_traits<std::vector<T> > {
template <typename input_iterator_type>
static inline void set(std::vector<T>& polygon_set, input_iterator_type input_begin, input_iterator_type input_end) {
polygon_set.clear();
size_t num_ele = std::distance(input_begin, input_end);
polygon_set.reserve(num_ele);
polygon_set_data<typename polygon_set_traits<std::list<T> >::coordinate_type> ps;
ps.reserve(num_ele);
ps.insert(input_begin, input_end);
ps.get(polygon_set);
}
};
template <typename T>
struct polygon_set_mutable_traits<polygon_set_data<T> > {
template <typename input_iterator_type>
static inline void set(polygon_set_data<T>& polygon_set,
input_iterator_type input_begin, input_iterator_type input_end) {
polygon_set.set(input_begin, input_end);
}
};
template <typename T>
struct polygon_set_traits<polygon_set_data<T> > {
typedef typename polygon_set_data<T>::coordinate_type coordinate_type;
typedef typename polygon_set_data<T>::iterator_type iterator_type;
typedef typename polygon_set_data<T>::operator_arg_type operator_arg_type;
static inline iterator_type begin(const polygon_set_data<T>& polygon_set) {
return polygon_set.begin();
}
static inline iterator_type end(const polygon_set_data<T>& polygon_set) {
return polygon_set.end();
}
static inline bool clean(const polygon_set_data<T>& polygon_set) { polygon_set.clean(); return true; }
static inline bool sorted(const polygon_set_data<T>& polygon_set) { polygon_set.sort(); return true; }
};
}
}
#endif