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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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