kicad/include/boost/polygon/detail/iterator_points_to_compact.hpp

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/*
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_ITERATOR_POINTS_TO_COMPACT_HPP
#define BOOST_POLYGON_ITERATOR_POINTS_TO_COMPACT_HPP
namespace boost { namespace polygon{
template <typename iT, typename point_type>
class iterator_points_to_compact {
private:
iT iter_, iterEnd_;
orientation_2d orient_;
mutable typename point_traits<point_type>::coordinate_type coord_;
public:
typedef typename point_traits<point_type>::coordinate_type coordinate_type;
typedef std::forward_iterator_tag iterator_category;
typedef coordinate_type value_type;
typedef std::ptrdiff_t difference_type;
typedef const coordinate_type* pointer; //immutable
typedef const coordinate_type& reference; //immutable
inline iterator_points_to_compact() : iter_(), iterEnd_(), orient_(), coord_() {}
inline iterator_points_to_compact(iT iter, iT iterEnd) :
iter_(iter), iterEnd_(iterEnd), orient_(HORIZONTAL), coord_() {}
inline iterator_points_to_compact(const iterator_points_to_compact& that) :
iter_(that.iter_), iterEnd_(that.iterEnd_), orient_(that.orient_), coord_(that.coord_) {}
//use bitwise copy and assign provided by the compiler
inline iterator_points_to_compact& operator++() {
//iT tmp = iter_;
++iter_;
//iT tmp2 = iter_;
orient_.turn_90();
//while(tmp2 != iterEnd_ && get(*tmp2, orient_) == get(*tmp, orient_)) {
// iter_ = tmp2;
// ++tmp2;
//}
return *this;
}
inline const iterator_points_to_compact operator++(int) {
iT tmp(*this);
++(*this);
return tmp;
}
inline bool operator==(const iterator_points_to_compact& that) const {
return (iter_ == that.iter_);
}
inline bool operator!=(const iterator_points_to_compact& that) const {
return (iter_ != that.iter_);
}
inline reference operator*() const { coord_ = get(*iter_, orient_);
return coord_;
}
};
}
}
#endif