1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/omx-plugin/include/ics/ui/Rect.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,149 @@
1.4 +/*
1.5 + * Copyright (C) 2006 The Android Open Source Project
1.6 + *
1.7 + * Licensed under the Apache License, Version 2.0 (the "License");
1.8 + * you may not use this file except in compliance with the License.
1.9 + * You may obtain a copy of the License at
1.10 + *
1.11 + * http://www.apache.org/licenses/LICENSE-2.0
1.12 + *
1.13 + * Unless required by applicable law or agreed to in writing, software
1.14 + * distributed under the License is distributed on an "AS IS" BASIS,
1.15 + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1.16 + * See the License for the specific language governing permissions and
1.17 + * limitations under the License.
1.18 + */
1.19 +
1.20 +#ifndef ANDROID_UI_RECT
1.21 +#define ANDROID_UI_RECT
1.22 +
1.23 +#include <utils/TypeHelpers.h>
1.24 +#include <ui/Point.h>
1.25 +
1.26 +#include <android/rect.h>
1.27 +
1.28 +namespace android {
1.29 +
1.30 +class Rect : public ARect
1.31 +{
1.32 +public:
1.33 + typedef ARect::value_type value_type;
1.34 +
1.35 + // we don't provide copy-ctor and operator= on purpose
1.36 + // because we want the compiler generated versions
1.37 +
1.38 + inline Rect() {
1.39 + }
1.40 + inline Rect(int32_t w, int32_t h) {
1.41 + left = top = 0; right = w; bottom = h;
1.42 + }
1.43 + inline Rect(int32_t l, int32_t t, int32_t r, int32_t b) {
1.44 + left = l; top = t; right = r; bottom = b;
1.45 + }
1.46 + inline Rect(const Point& lt, const Point& rb) {
1.47 + left = lt.x; top = lt.y; right = rb.x; bottom = rb.y;
1.48 + }
1.49 +
1.50 + void makeInvalid();
1.51 +
1.52 + inline void clear() {
1.53 + left = top = right = bottom = 0;
1.54 + }
1.55 +
1.56 + // a valid rectangle has a non negative width and height
1.57 + inline bool isValid() const {
1.58 + return (width()>=0) && (height()>=0);
1.59 + }
1.60 +
1.61 + // an empty rect has a zero width or height, or is invalid
1.62 + inline bool isEmpty() const {
1.63 + return (width()<=0) || (height()<=0);
1.64 + }
1.65 +
1.66 + inline void set(const Rect& rhs) {
1.67 + operator = (rhs);
1.68 + }
1.69 +
1.70 + // rectangle's width
1.71 + inline int32_t width() const {
1.72 + return right-left;
1.73 + }
1.74 +
1.75 + // rectangle's height
1.76 + inline int32_t height() const {
1.77 + return bottom-top;
1.78 + }
1.79 +
1.80 + void setLeftTop(const Point& lt) {
1.81 + left = lt.x;
1.82 + top = lt.y;
1.83 + }
1.84 +
1.85 + void setRightBottom(const Point& rb) {
1.86 + right = rb.x;
1.87 + bottom = rb.y;
1.88 + }
1.89 +
1.90 + // the following 4 functions return the 4 corners of the rect as Point
1.91 + Point leftTop() const {
1.92 + return Point(left, top);
1.93 + }
1.94 + Point rightBottom() const {
1.95 + return Point(right, bottom);
1.96 + }
1.97 + Point rightTop() const {
1.98 + return Point(right, top);
1.99 + }
1.100 + Point leftBottom() const {
1.101 + return Point(left, bottom);
1.102 + }
1.103 +
1.104 + // comparisons
1.105 + inline bool operator == (const Rect& rhs) const {
1.106 + return (left == rhs.left) && (top == rhs.top) &&
1.107 + (right == rhs.right) && (bottom == rhs.bottom);
1.108 + }
1.109 +
1.110 + inline bool operator != (const Rect& rhs) const {
1.111 + return !operator == (rhs);
1.112 + }
1.113 +
1.114 + // operator < defines an order which allows to use rectangles in sorted
1.115 + // vectors.
1.116 + bool operator < (const Rect& rhs) const;
1.117 +
1.118 + Rect& offsetToOrigin() {
1.119 + right -= left;
1.120 + bottom -= top;
1.121 + left = top = 0;
1.122 + return *this;
1.123 + }
1.124 + Rect& offsetTo(const Point& p) {
1.125 + return offsetTo(p.x, p.y);
1.126 + }
1.127 + Rect& offsetBy(const Point& dp) {
1.128 + return offsetBy(dp.x, dp.y);
1.129 + }
1.130 + Rect& operator += (const Point& rhs) {
1.131 + return offsetBy(rhs.x, rhs.y);
1.132 + }
1.133 + Rect& operator -= (const Point& rhs) {
1.134 + return offsetBy(-rhs.x, -rhs.y);
1.135 + }
1.136 + const Rect operator + (const Point& rhs) const;
1.137 + const Rect operator - (const Point& rhs) const;
1.138 +
1.139 + void translate(int32_t dx, int32_t dy) { // legacy, don't use.
1.140 + offsetBy(dx, dy);
1.141 + }
1.142 +
1.143 + Rect& offsetTo(int32_t x, int32_t y);
1.144 + Rect& offsetBy(int32_t x, int32_t y);
1.145 + bool intersect(const Rect& with, Rect* result) const;
1.146 +};
1.147 +
1.148 +ANDROID_BASIC_TYPES_TRAITS(Rect)
1.149 +
1.150 +}; // namespace android
1.151 +
1.152 +#endif // ANDROID_UI_RECT
