1// Copyright (c) 2012 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#ifndef UI_GFX_POINT_H_ 6#define UI_GFX_POINT_H_ 7 8#include "ui/base/ui_export.h" 9#include "ui/gfx/point_base.h" 10#include "ui/gfx/point_f.h" 11#include "ui/gfx/vector2d.h" 12 13#if defined(OS_WIN) 14typedef unsigned long DWORD; 15typedef struct tagPOINT POINT; 16#elif defined(OS_IOS) 17#include <CoreGraphics/CoreGraphics.h> 18#elif defined(OS_MACOSX) 19#include <ApplicationServices/ApplicationServices.h> 20#endif 21 22namespace gfx { 23 24// A point has an x and y coordinate. 25class UI_EXPORT Point : public PointBase<Point, int, Vector2d> { 26 public: 27 Point() : PointBase<Point, int, Vector2d>(0, 0) {} 28 Point(int x, int y) : PointBase<Point, int, Vector2d>(x, y) {} 29#if defined(OS_WIN) 30 // |point| is a DWORD value that contains a coordinate. The x-coordinate is 31 // the low-order short and the y-coordinate is the high-order short. This 32 // value is commonly acquired from GetMessagePos/GetCursorPos. 33 explicit Point(DWORD point); 34 explicit Point(const POINT& point); 35 Point& operator=(const POINT& point); 36#elif defined(OS_MACOSX) 37 explicit Point(const CGPoint& point); 38#endif 39 40 ~Point() {} 41 42#if defined(OS_WIN) 43 POINT ToPOINT() const; 44#elif defined(OS_MACOSX) 45 CGPoint ToCGPoint() const; 46#endif 47 48 operator PointF() const { 49 return PointF(x(), y()); 50 } 51 52 // Returns a string representation of point. 53 std::string ToString() const; 54}; 55 56inline bool operator==(const Point& lhs, const Point& rhs) { 57 return lhs.x() == rhs.x() && lhs.y() == rhs.y(); 58} 59 60inline bool operator!=(const Point& lhs, const Point& rhs) { 61 return !(lhs == rhs); 62} 63 64inline Point operator+(const Point& lhs, const Vector2d& rhs) { 65 Point result(lhs); 66 result += rhs; 67 return result; 68} 69 70inline Point operator-(const Point& lhs, const Vector2d& rhs) { 71 Point result(lhs); 72 result -= rhs; 73 return result; 74} 75 76inline Vector2d operator-(const Point& lhs, const Point& rhs) { 77 return Vector2d(lhs.x() - rhs.x(), lhs.y() - rhs.y()); 78} 79 80inline Point PointAtOffsetFromOrigin(const Vector2d& offset_from_origin) { 81 return Point(offset_from_origin.x(), offset_from_origin.y()); 82} 83 84#if !defined(COMPILER_MSVC) 85extern template class PointBase<Point, int, Vector2d>; 86#endif 87 88} // namespace gfx 89 90#endif // UI_GFX_POINT_H_ 91