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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 UI_GFX_POINT_H_
#define UI_GFX_POINT_H_
#include "ui/base/ui_export.h"
#include "ui/gfx/point_base.h"
#include "ui/gfx/point_f.h"
#include "ui/gfx/vector2d.h"
#if defined(OS_WIN)
typedef unsigned long DWORD;
typedef struct tagPOINT POINT;
#elif defined(OS_IOS)
#include <CoreGraphics/CoreGraphics.h>
#elif defined(OS_MACOSX)
#include <ApplicationServices/ApplicationServices.h>
#endif
namespace gfx {
// A point has an x and y coordinate.
class UI_EXPORT 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) {}
#if defined(OS_WIN)
// |point| is a DWORD value that contains a coordinate. The x-coordinate is
// the low-order short and the y-coordinate is the high-order short. This
// value is commonly acquired from GetMessagePos/GetCursorPos.
explicit Point(DWORD point);
explicit Point(const POINT& point);
Point& operator=(const POINT& point);
#elif defined(OS_MACOSX)
explicit Point(const CGPoint& point);
#endif
~Point() {}
#if defined(OS_WIN)
POINT ToPOINT() const;
#elif defined(OS_MACOSX)
CGPoint ToCGPoint() const;
#endif
operator PointF() const {
return PointF(x(), 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());
}
#if !defined(COMPILER_MSVC)
extern template class PointBase<Point, int, Vector2d>;
#endif
} // namespace gfx
#endif // UI_GFX_POINT_H_
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