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| 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef GFX_POINT_H_ | 5 #ifndef GFX_POINT_H_ |
| 6 #define GFX_POINT_H_ | 6 #define GFX_POINT_H_ |
| 7 #pragma once | 7 #pragma once |
| 8 | 8 |
| 9 #include "build/build_config.h" | 9 #include "ui/gfx/point.h" |
| 10 | 10 // TODO(sail): remove this file once all includes have been updated. |
| 11 #include <iosfwd> | |
| 12 | |
| 13 #if defined(OS_WIN) | |
| 14 typedef unsigned long DWORD; | |
| 15 typedef struct tagPOINT POINT; | |
| 16 #elif defined(OS_MACOSX) | |
| 17 #include <ApplicationServices/ApplicationServices.h> | |
| 18 #endif | |
| 19 | |
| 20 namespace gfx { | |
| 21 | |
| 22 // A point has an x and y coordinate. | |
| 23 class Point { | |
| 24 public: | |
| 25 Point(); | |
| 26 Point(int x, int y); | |
| 27 #if defined(OS_WIN) | |
| 28 // |point| is a DWORD value that contains a coordinate. The x-coordinate is | |
| 29 // the low-order short and the y-coordinate is the high-order short. This | |
| 30 // value is commonly acquired from GetMessagePos/GetCursorPos. | |
| 31 explicit Point(DWORD point); | |
| 32 explicit Point(const POINT& point); | |
| 33 Point& operator=(const POINT& point); | |
| 34 #elif defined(OS_MACOSX) | |
| 35 explicit Point(const CGPoint& point); | |
| 36 #endif | |
| 37 | |
| 38 ~Point() {} | |
| 39 | |
| 40 int x() const { return x_; } | |
| 41 int y() const { return y_; } | |
| 42 | |
| 43 void SetPoint(int x, int y) { | |
| 44 x_ = x; | |
| 45 y_ = y; | |
| 46 } | |
| 47 | |
| 48 void set_x(int x) { x_ = x; } | |
| 49 void set_y(int y) { y_ = y; } | |
| 50 | |
| 51 void Offset(int delta_x, int delta_y) { | |
| 52 x_ += delta_x; | |
| 53 y_ += delta_y; | |
| 54 } | |
| 55 | |
| 56 Point Add(const Point& other) const{ | |
| 57 Point copy = *this; | |
| 58 copy.Offset(other.x_, other.y_); | |
| 59 return copy; | |
| 60 } | |
| 61 | |
| 62 Point Subtract(const Point& other) const { | |
| 63 Point copy = *this; | |
| 64 copy.Offset(-other.x_, -other.y_); | |
| 65 return copy; | |
| 66 } | |
| 67 | |
| 68 bool operator==(const Point& rhs) const { | |
| 69 return x_ == rhs.x_ && y_ == rhs.y_; | |
| 70 } | |
| 71 | |
| 72 bool operator!=(const Point& rhs) const { | |
| 73 return !(*this == rhs); | |
| 74 } | |
| 75 | |
| 76 // A point is less than another point if its y-value is closer | |
| 77 // to the origin. If the y-values are the same, then point with | |
| 78 // the x-value closer to the origin is considered less than the | |
| 79 // other. | |
| 80 // This comparison is required to use Points in sets, or sorted | |
| 81 // vectors. | |
| 82 bool operator<(const Point& rhs) const { | |
| 83 return (y_ == rhs.y_) ? (x_ < rhs.x_) : (y_ < rhs.y_); | |
| 84 } | |
| 85 | |
| 86 #if defined(OS_WIN) | |
| 87 POINT ToPOINT() const; | |
| 88 #elif defined(OS_MACOSX) | |
| 89 CGPoint ToCGPoint() const; | |
| 90 #endif | |
| 91 | |
| 92 private: | |
| 93 int x_; | |
| 94 int y_; | |
| 95 }; | |
| 96 | |
| 97 std::ostream& operator<<(std::ostream& out, const gfx::Point& p); | |
| 98 | |
| 99 } // namespace gfx | |
| 100 | 11 |
| 101 #endif // GFX_POINT_H_ | 12 #endif // GFX_POINT_H_ |
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