1edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project/* 2edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * Copyright (C) 2006 The Android Open Source Project 3edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * 4edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 5edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * you may not use this file except in compliance with the License. 6edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * You may obtain a copy of the License at 7edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * 8edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 9edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * 10edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 11edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 12edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * See the License for the specific language governing permissions and 14edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * limitations under the License. 15edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project */ 16edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 17edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#ifndef ANDROID_UI_RECT 18edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define ANDROID_UI_RECT 19edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 208683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian#include <utils/Flattenable.h> 21edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <utils/TypeHelpers.h> 22edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <ui/Point.h> 23edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 249147d11a5f1d50496908bb1f49996e3ad23e19ccDianne Hackborn#include <android/rect.h> 259147d11a5f1d50496908bb1f49996e3ad23e19ccDianne Hackborn 26edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectnamespace android { 27edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 288683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopianclass Rect : public ARect, public LightFlattenablePod<Rect> 29edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 30edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectpublic: 31000e95e7ebf1a60bbb7fda604b54092f45c87f89Mathias Agopian typedef ARect::value_type value_type; 324b8160fdfd3281d1d66c0cae9bb9c647b4333491Mathias Agopian 33edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // we don't provide copy-ctor and operator= on purpose 34edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // because we want the compiler generated versions 35edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 3635801cea5f301c0e1d7a93b15a8f73f98e6b1033Mathias Agopian inline Rect() { 37b2e19208ddf3274e7cc044ca1abfcd02787a7cf1Dmitriy Ivanov left = right = top = bottom = 0; 38edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 396c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian 409147d11a5f1d50496908bb1f49996e3ad23e19ccDianne Hackborn inline Rect(int32_t w, int32_t h) { 416c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian left = top = 0; 426c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian right = w; 436c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian bottom = h; 44edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 456c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian 469147d11a5f1d50496908bb1f49996e3ad23e19ccDianne Hackborn inline Rect(int32_t l, int32_t t, int32_t r, int32_t b) { 476c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian left = l; 486c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian top = t; 496c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian right = r; 506c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian bottom = b; 51edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 526c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian 539147d11a5f1d50496908bb1f49996e3ad23e19ccDianne Hackborn inline Rect(const Point& lt, const Point& rb) { 546c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian left = lt.x; 556c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian top = lt.y; 566c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian right = rb.x; 576c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian bottom = rb.y; 58edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 59edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 60edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void makeInvalid(); 614b8160fdfd3281d1d66c0cae9bb9c647b4333491Mathias Agopian 624b8160fdfd3281d1d66c0cae9bb9c647b4333491Mathias Agopian inline void clear() { 634b8160fdfd3281d1d66c0cae9bb9c647b4333491Mathias Agopian left = top = right = bottom = 0; 644b8160fdfd3281d1d66c0cae9bb9c647b4333491Mathias Agopian } 654b8160fdfd3281d1d66c0cae9bb9c647b4333491Mathias Agopian 66edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // a valid rectangle has a non negative width and height 67edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project inline bool isValid() const { 686c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian return (getWidth() >= 0) && (getHeight() >= 0); 69edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 70edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 71edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // an empty rect has a zero width or height, or is invalid 72edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project inline bool isEmpty() const { 736c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian return (getWidth() <= 0) || (getHeight() <= 0); 74edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 75edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 76edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // rectangle's width 77b82203a6601728a507bc3e7d5b2b042356004aaeMathias Agopian inline int32_t getWidth() const { 786c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian return right - left; 79edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 806c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian 81edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // rectangle's height 82b82203a6601728a507bc3e7d5b2b042356004aaeMathias Agopian inline int32_t getHeight() const { 836c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian return bottom - top; 84edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 85edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 86b82203a6601728a507bc3e7d5b2b042356004aaeMathias Agopian inline Rect getBounds() const { 876c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian return Rect(right - left, bottom - top); 88b82203a6601728a507bc3e7d5b2b042356004aaeMathias Agopian } 89b82203a6601728a507bc3e7d5b2b042356004aaeMathias Agopian 9035801cea5f301c0e1d7a93b15a8f73f98e6b1033Mathias Agopian void setLeftTop(const Point& lt) { 9135801cea5f301c0e1d7a93b15a8f73f98e6b1033Mathias Agopian left = lt.x; 926c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian top = lt.y; 93edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 9435801cea5f301c0e1d7a93b15a8f73f98e6b1033Mathias Agopian 9535801cea5f301c0e1d7a93b15a8f73f98e6b1033Mathias Agopian void setRightBottom(const Point& rb) { 9635801cea5f301c0e1d7a93b15a8f73f98e6b1033Mathias Agopian right = rb.x; 976c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian bottom = rb.y; 98edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 99edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 100edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // the following 4 functions return the 4 corners of the rect as Point 10135801cea5f301c0e1d7a93b15a8f73f98e6b1033Mathias Agopian Point leftTop() const { 10235801cea5f301c0e1d7a93b15a8f73f98e6b1033Mathias Agopian return Point(left, top); 103edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 10435801cea5f301c0e1d7a93b15a8f73f98e6b1033Mathias Agopian Point rightBottom() const { 10535801cea5f301c0e1d7a93b15a8f73f98e6b1033Mathias Agopian return Point(right, bottom); 106edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 107edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Point rightTop() const { 108edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return Point(right, top); 109edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 110edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Point leftBottom() const { 111edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return Point(left, bottom); 112edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 113edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 114edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // comparisons 115edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project inline bool operator == (const Rect& rhs) const { 116edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return (left == rhs.left) && (top == rhs.top) && 117edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project (right == rhs.right) && (bottom == rhs.bottom); 118edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 119edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 120edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project inline bool operator != (const Rect& rhs) const { 121edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return !operator == (rhs); 122edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 123edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 124edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // operator < defines an order which allows to use rectangles in sorted 125edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // vectors. 126edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bool operator < (const Rect& rhs) const; 127edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1286c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian const Rect operator + (const Point& rhs) const; 1296c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian const Rect operator - (const Point& rhs) const; 1306c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian 1316c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian Rect& operator += (const Point& rhs) { 1326c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian return offsetBy(rhs.x, rhs.y); 1336c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian } 1346c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian Rect& operator -= (const Point& rhs) { 1356c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian return offsetBy(-rhs.x, -rhs.y); 1366c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian } 1376c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian 138edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Rect& offsetToOrigin() { 139edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project right -= left; 140edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bottom -= top; 141edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project left = top = 0; 142edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return *this; 143edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 144edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Rect& offsetTo(const Point& p) { 145edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return offsetTo(p.x, p.y); 146edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 147edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Rect& offsetBy(const Point& dp) { 148edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return offsetBy(dp.x, dp.y); 149edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 150edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1516c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian Rect& offsetTo(int32_t x, int32_t y); 1526c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian Rect& offsetBy(int32_t x, int32_t y); 15359332804306c054082a39e9b004146bd03ae1d30Jamie Gennis 1546c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian bool intersect(const Rect& with, Rect* result) const; 15559332804306c054082a39e9b004146bd03ae1d30Jamie Gennis 15659332804306c054082a39e9b004146bd03ae1d30Jamie Gennis // Create a new Rect by transforming this one using a graphics HAL 15759332804306c054082a39e9b004146bd03ae1d30Jamie Gennis // transform. This rectangle is defined in a coordinate space starting at 15859332804306c054082a39e9b004146bd03ae1d30Jamie Gennis // the origin and extending to (width, height). If the transform includes 15959332804306c054082a39e9b004146bd03ae1d30Jamie Gennis // a ROT90 then the output rectangle is defined in a space extending to 16059332804306c054082a39e9b004146bd03ae1d30Jamie Gennis // (height, width). Otherwise the output rectangle is in the same space as 16159332804306c054082a39e9b004146bd03ae1d30Jamie Gennis // the input. 162f15a83f5814219c167f87cb8aaea622fc8493499Jamie Gennis Rect transform(uint32_t xform, int32_t width, int32_t height) const; 1636c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian 164f3e85d432749ca77ad707bec523b67d741d43e6eMathias Agopian // this calculates (Region(*this) - exclude).bounds() efficiently 165f3e85d432749ca77ad707bec523b67d741d43e6eMathias Agopian Rect reduce(const Rect& exclude) const; 166f3e85d432749ca77ad707bec523b67d741d43e6eMathias Agopian 167f3e85d432749ca77ad707bec523b67d741d43e6eMathias Agopian 1686c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian // for backward compatibility 1696c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian inline int32_t width() const { return getWidth(); } 1706c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian inline int32_t height() const { return getHeight(); } 1716c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian inline void set(const Rect& rhs) { operator = (rhs); } 172edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project}; 173edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 174edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source ProjectANDROID_BASIC_TYPES_TRAITS(Rect) 175edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 176edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project}; // namespace android 177edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 178edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif // ANDROID_UI_RECT 179