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 20 #include <utils/Flattenable.h> 21 #include <utils/TypeHelpers.h> 22 23 namespace android { 24 25 class Point : public LightFlattenablePod<Point> 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 Point()35 inline Point() { 36 } Point(int x,int y)37 inline Point(int x, int y) : x(x), y(y) { 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 isOrigin()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 - () { 58 x = -x; 59 y = -y; 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 74 const Point operator + (const Point& rhs) const { 75 const Point result(x+rhs.x, y+rhs.y); 76 return result; 77 } 78 const Point operator - (const Point& rhs) const { 79 const Point result(x-rhs.x, y-rhs.y); 80 return result; 81 } 82 }; 83 84 ANDROID_BASIC_TYPES_TRAITS(Point) 85 86 }; // namespace android 87 88 #endif // ANDROID_UI_POINT 89