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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COBALT_MATH_POINT_H_
#define COBALT_MATH_POINT_H_
#include <iosfwd>
#include <string>
#include "cobalt/math/point_base.h"
#include "cobalt/math/point_f.h"
#include "cobalt/math/vector2d.h"
namespace cobalt {
namespace math {
// A point has an x and y coordinate.
class Point : public PointBase<Point, int, Vector2d> {
public:
Point() : PointBase<Point, int, Vector2d>(0, 0) {}
Point(int x, int y) : PointBase<Point, int, Vector2d>(x, y) {}
~Point() {}
operator PointF() const {
return PointF(static_cast<float>(x()), static_cast<float>(y()));
}
// Returns a string representation of point.
std::string ToString() const;
};
inline bool operator==(const Point& lhs, const Point& rhs) {
return lhs.x() == rhs.x() && lhs.y() == rhs.y();
}
inline bool operator!=(const Point& lhs, const Point& rhs) {
return !(lhs == rhs);
}
inline Point operator+(const Point& lhs, const Vector2d& rhs) {
Point result(lhs);
result += rhs;
return result;
}
inline Point operator-(const Point& lhs, const Vector2d& rhs) {
Point result(lhs);
result -= rhs;
return result;
}
inline Vector2d operator-(const Point& lhs, const Point& rhs) {
return Vector2d(lhs.x() - rhs.x(), lhs.y() - rhs.y());
}
inline Point PointAtOffsetFromOrigin(const Vector2d& offset_from_origin) {
return Point(offset_from_origin.x(), offset_from_origin.y());
}
extern template class PointBase<Point, int, Vector2d>;
} // namespace math
} // namespace cobalt
#endif // COBALT_MATH_POINT_H_