The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2006 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #ifndef ANDROID_UI_POINT |
| 18 | #define ANDROID_UI_POINT |
| 19 | |
Mathias Agopian | 8683fca | 2012-08-12 19:37:16 -0700 | [diff] [blame] | 20 | #include <utils/Flattenable.h> |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 21 | #include <utils/TypeHelpers.h> |
| 22 | |
| 23 | namespace android { |
| 24 | |
Mathias Agopian | 8683fca | 2012-08-12 19:37:16 -0700 | [diff] [blame] | 25 | class Point : public LightFlattenablePod<Point> |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 26 | { |
| 27 | public: |
| 28 | int x; |
| 29 | int y; |
| 30 | |
| 31 | // we don't provide copy-ctor and operator= on purpose |
| 32 | // because we want the compiler generated versions |
| 33 | |
| 34 | // Default constructor doesn't initialize the Point |
Mathias Agopian | 35801ce | 2009-05-26 17:44:57 -0700 | [diff] [blame] | 35 | inline Point() { |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 36 | } |
Mathias Agopian | 35801ce | 2009-05-26 17:44:57 -0700 | [diff] [blame] | 37 | inline Point(int x, int y) : x(x), y(y) { |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 38 | } |
| 39 | |
| 40 | inline bool operator == (const Point& rhs) const { |
| 41 | return (x == rhs.x) && (y == rhs.y); |
| 42 | } |
| 43 | inline bool operator != (const Point& rhs) const { |
| 44 | return !operator == (rhs); |
| 45 | } |
| 46 | |
| 47 | inline bool isOrigin() const { |
| 48 | return !(x|y); |
| 49 | } |
| 50 | |
| 51 | // operator < defines an order which allows to use points in sorted |
| 52 | // vectors. |
| 53 | bool operator < (const Point& rhs) const { |
| 54 | return y<rhs.y || (y==rhs.y && x<rhs.x); |
| 55 | } |
| 56 | |
| 57 | inline Point& operator - () { |
Mathias Agopian | 35801ce | 2009-05-26 17:44:57 -0700 | [diff] [blame] | 58 | x = -x; |
| 59 | y = -y; |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 60 | return *this; |
| 61 | } |
| 62 | |
| 63 | inline Point& operator += (const Point& rhs) { |
| 64 | x += rhs.x; |
| 65 | y += rhs.y; |
| 66 | return *this; |
| 67 | } |
| 68 | inline Point& operator -= (const Point& rhs) { |
| 69 | x -= rhs.x; |
| 70 | y -= rhs.y; |
| 71 | return *this; |
| 72 | } |
| 73 | |
Mathias Agopian | 35801ce | 2009-05-26 17:44:57 -0700 | [diff] [blame] | 74 | const Point operator + (const Point& rhs) const { |
| 75 | const Point result(x+rhs.x, y+rhs.y); |
| 76 | return result; |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 77 | } |
Mathias Agopian | 35801ce | 2009-05-26 17:44:57 -0700 | [diff] [blame] | 78 | const Point operator - (const Point& rhs) const { |
| 79 | const Point result(x-rhs.x, y-rhs.y); |
| 80 | return result; |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 81 | } |
| 82 | }; |
| 83 | |
| 84 | ANDROID_BASIC_TYPES_TRAITS(Point) |
| 85 | |
| 86 | }; // namespace android |
| 87 | |
| 88 | #endif // ANDROID_UI_POINT |