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 Hu Chunming
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// Boost.Polygon library segment_data.hpp header file
// Copyright (c) Intel Corporation 2008.
// Copyright (c) 2008-2012 Simonson Lucanus.
// Copyright (c) 2012-2012 Andrii Sydorchuk.
// See http://www.boost.org for updates, documentation, and revision history.
// Use, modification and distribution is 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_SEGMENT_DATA_HPP
#define BOOST_POLYGON_SEGMENT_DATA_HPP
#include "isotropy.hpp"
#include "segment_concept.hpp"
namespace boost {
namespace polygon {
template <typename T>
class segment_data {
public:
typedef T coordinate_type;
typedef point_data<T> point_type;
segment_data()
#ifndef BOOST_POLYGON_MSVC
: points_()
#endif
{}
segment_data(const point_type& low, const point_type& high) {
points_[LOW] = low;
points_[HIGH] = high;
}
segment_data(const segment_data& that) {
points_[0] = that.points_[0];
points_[1] = that.points_[1];
}
segment_data& operator=(const segment_data& that) {
points_[0] = that.points_[0];
points_[1] = that.points_[1];
return *this;
}
template <typename SegmentType>
segment_data& operator=(const SegmentType& that) {
assign(*this, that);
return *this;
}
point_type get(direction_1d dir) const {
return points_[dir.to_int()];
}
void set(direction_1d dir, const point_type& point) {
points_[dir.to_int()] = point;
}
point_type low() const {
return points_[LOW];
}
segment_data& low(const point_type& point) {
points_[LOW] = point;
return *this;
}
point_type high() const {
return points_[HIGH];
}
segment_data& high(const point_type& point) {
points_[HIGH] = point;
return *this;
}
bool operator==(const segment_data& that) const {
return (points_[0] == that.points_[0]) &&
(points_[1] == that.points_[1]);
}
bool operator!=(const segment_data& that) const {
return (points_[0] != that.points_[0]) ||
(points_[1] != that.points_[1]);
}
bool operator<(const segment_data& that) const {
if (points_[0] != that.points_[0]) {
return points_[0] < that.points_[0];
}
return points_[1] < that.points_[1];
}
bool operator<=(const segment_data& that) const {
return !(that < *this);
}
bool operator>(const segment_data& that) const {
return that < *this;
}
bool operator>=(const segment_data& that) const {
return !((*this) < that);
}
private:
point_type points_[2];
};
template <typename CType>
struct geometry_concept<segment_data<CType> > {
typedef segment_concept type;
};
} // polygon
} // boost
#endif // BOOST_POLYGON_SEGMENT_DATA_HPP
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