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
23namespace android {
24
25class Point : public LightFlattenablePod<Point>
26{
27public:
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
35    inline Point() {
36    }
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
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
84ANDROID_BASIC_TYPES_TRAITS(Point)
85
86}; // namespace android
87
88#endif // ANDROID_UI_POINT
89