The Tor Browser / file comparison
comparison: media/omx-plugin/include/froyo/ui/Rect.h
media/omx-plugin/include/froyo/ui/Rect.h
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- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:6659b18fdec3 |
|---|---|
| 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_RECT | |
| 18 #define ANDROID_UI_RECT | |
| 19 | |
| 20 #include <utils/TypeHelpers.h> | |
| 21 #include <ui/Point.h> | |
| 22 | |
| 23 namespace android { | |
| 24 | |
| 25 class Rect | |
| 26 { | |
| 27 public: | |
| 28 int left; | |
| 29 int top; | |
| 30 int right; | |
| 31 int bottom; | |
| 32 | |
| 33 typedef int value_type; | |
| 34 | |
| 35 // we don't provide copy-ctor and operator= on purpose | |
| 36 // because we want the compiler generated versions | |
| 37 | |
| 38 inline Rect() { | |
| 39 } | |
| 40 inline Rect(int w, int h) | |
| 41 : left(0), top(0), right(w), bottom(h) { | |
| 42 } | |
| 43 inline Rect(int l, int t, int r, int b) | |
| 44 : left(l), top(t), right(r), bottom(b) { | |
| 45 } | |
| 46 inline Rect(const Point& lt, const Point& rb) | |
| 47 : left(lt.x), top(lt.y), right(rb.x), bottom(rb.y) { | |
| 48 } | |
| 49 | |
| 50 void makeInvalid(); | |
| 51 | |
| 52 inline void clear() { | |
| 53 left = top = right = bottom = 0; | |
| 54 } | |
| 55 | |
| 56 // a valid rectangle has a non negative width and height | |
| 57 inline bool isValid() const { | |
| 58 return (width()>=0) && (height()>=0); | |
| 59 } | |
| 60 | |
| 61 // an empty rect has a zero width or height, or is invalid | |
| 62 inline bool isEmpty() const { | |
| 63 return (width()<=0) || (height()<=0); | |
| 64 } | |
| 65 | |
| 66 inline void set(const Rect& rhs) { | |
| 67 operator = (rhs); | |
| 68 } | |
| 69 | |
| 70 // rectangle's width | |
| 71 inline int width() const { | |
| 72 return right-left; | |
| 73 } | |
| 74 | |
| 75 // rectangle's height | |
| 76 inline int height() const { | |
| 77 return bottom-top; | |
| 78 } | |
| 79 | |
| 80 void setLeftTop(const Point& lt) { | |
| 81 left = lt.x; | |
| 82 top = lt.y; | |
| 83 } | |
| 84 | |
| 85 void setRightBottom(const Point& rb) { | |
| 86 right = rb.x; | |
| 87 bottom = rb.y; | |
| 88 } | |
| 89 | |
| 90 // the following 4 functions return the 4 corners of the rect as Point | |
| 91 Point leftTop() const { | |
| 92 return Point(left, top); | |
| 93 } | |
| 94 Point rightBottom() const { | |
| 95 return Point(right, bottom); | |
| 96 } | |
| 97 Point rightTop() const { | |
| 98 return Point(right, top); | |
| 99 } | |
| 100 Point leftBottom() const { | |
| 101 return Point(left, bottom); | |
| 102 } | |
| 103 | |
| 104 // comparisons | |
| 105 inline bool operator == (const Rect& rhs) const { | |
| 106 return (left == rhs.left) && (top == rhs.top) && | |
| 107 (right == rhs.right) && (bottom == rhs.bottom); | |
| 108 } | |
| 109 | |
| 110 inline bool operator != (const Rect& rhs) const { | |
| 111 return !operator == (rhs); | |
| 112 } | |
| 113 | |
| 114 // operator < defines an order which allows to use rectangles in sorted | |
| 115 // vectors. | |
| 116 bool operator < (const Rect& rhs) const; | |
| 117 | |
| 118 Rect& offsetToOrigin() { | |
| 119 right -= left; | |
| 120 bottom -= top; | |
| 121 left = top = 0; | |
| 122 return *this; | |
| 123 } | |
| 124 Rect& offsetTo(const Point& p) { | |
| 125 return offsetTo(p.x, p.y); | |
| 126 } | |
| 127 Rect& offsetBy(const Point& dp) { | |
| 128 return offsetBy(dp.x, dp.y); | |
| 129 } | |
| 130 Rect& operator += (const Point& rhs) { | |
| 131 return offsetBy(rhs.x, rhs.y); | |
| 132 } | |
| 133 Rect& operator -= (const Point& rhs) { | |
| 134 return offsetBy(-rhs.x, -rhs.y); | |
| 135 } | |
| 136 const Rect operator + (const Point& rhs) const; | |
| 137 const Rect operator - (const Point& rhs) const; | |
| 138 | |
| 139 void translate(int dx, int dy) { // legacy, don't use. | |
| 140 offsetBy(dx, dy); | |
| 141 } | |
| 142 | |
| 143 Rect& offsetTo(int x, int y); | |
| 144 Rect& offsetBy(int x, int y); | |
| 145 bool intersect(const Rect& with, Rect* result) const; | |
| 146 }; | |
| 147 | |
| 148 ANDROID_BASIC_TYPES_TRAITS(Rect) | |
| 149 | |
| 150 }; // namespace android | |
| 151 | |
| 152 #endif // ANDROID_UI_RECT |
