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> 21dd883c0b08d2a60f89542b9b9f5fdabcb14885c7Dan Stoza#include <utils/Log.h> 22edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <utils/TypeHelpers.h> 237823e124e00576e20e47ec717cbe8bc89f0f2bf2Mark Salyzyn#include <log/log.h> 247823e124e00576e20e47ec717cbe8bc89f0f2bf2Mark Salyzyn 255a423eaa86f4c990afcef8c55e3949d0872068b4Dan Stoza#include <ui/FloatRect.h> 26edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <ui/Point.h> 27edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 289147d11a5f1d50496908bb1f49996e3ad23e19ccDianne Hackborn#include <android/rect.h> 299147d11a5f1d50496908bb1f49996e3ad23e19ccDianne Hackborn 30edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectnamespace android { 31edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 328683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopianclass Rect : public ARect, public LightFlattenablePod<Rect> 33edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 34edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectpublic: 35000e95e7ebf1a60bbb7fda604b54092f45c87f89Mathias Agopian typedef ARect::value_type value_type; 364b8160fdfd3281d1d66c0cae9bb9c647b4333491Mathias Agopian 375065a55291b67f584d7b0be3fa3cfc4e29a3cd1cDan Stoza static const Rect INVALID_RECT; 3860d6922a011fe18c111b8d30fb6ef1f655b6b15ePablo Ceballos static const Rect EMPTY_RECT; 395065a55291b67f584d7b0be3fa3cfc4e29a3cd1cDan Stoza 40edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // we don't provide copy-ctor and operator= on purpose 41edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // because we want the compiler generated versions 42edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 4360d6922a011fe18c111b8d30fb6ef1f655b6b15ePablo Ceballos inline Rect() : Rect(INVALID_RECT) {} 446c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian 454e643af56d8805b24cccb0ceb6b67a24cf437fb7Dan Stoza template <typename T> 464e643af56d8805b24cccb0ceb6b67a24cf437fb7Dan Stoza inline Rect(T w, T h) { 47dd883c0b08d2a60f89542b9b9f5fdabcb14885c7Dan Stoza if (w > INT32_MAX) { 48dd883c0b08d2a60f89542b9b9f5fdabcb14885c7Dan Stoza w = INT32_MAX; 49dd883c0b08d2a60f89542b9b9f5fdabcb14885c7Dan Stoza } 50dd883c0b08d2a60f89542b9b9f5fdabcb14885c7Dan Stoza if (h > INT32_MAX) { 51dd883c0b08d2a60f89542b9b9f5fdabcb14885c7Dan Stoza h = INT32_MAX; 52dd883c0b08d2a60f89542b9b9f5fdabcb14885c7Dan Stoza } 53dd883c0b08d2a60f89542b9b9f5fdabcb14885c7Dan Stoza left = top = 0; 544e643af56d8805b24cccb0ceb6b67a24cf437fb7Dan Stoza right = static_cast<int32_t>(w); 554e643af56d8805b24cccb0ceb6b67a24cf437fb7Dan Stoza bottom = static_cast<int32_t>(h); 56dd883c0b08d2a60f89542b9b9f5fdabcb14885c7Dan Stoza } 57dd883c0b08d2a60f89542b9b9f5fdabcb14885c7Dan Stoza 589147d11a5f1d50496908bb1f49996e3ad23e19ccDianne Hackborn inline Rect(int32_t l, int32_t t, int32_t r, int32_t b) { 596c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian left = l; 606c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian top = t; 616c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian right = r; 626c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian bottom = b; 63edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 646c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian 659147d11a5f1d50496908bb1f49996e3ad23e19ccDianne Hackborn inline Rect(const Point& lt, const Point& rb) { 666c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian left = lt.x; 676c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian top = lt.y; 686c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian right = rb.x; 696c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian bottom = rb.y; 70edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 71edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 72edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void makeInvalid(); 734b8160fdfd3281d1d66c0cae9bb9c647b4333491Mathias Agopian 744b8160fdfd3281d1d66c0cae9bb9c647b4333491Mathias Agopian inline void clear() { 754b8160fdfd3281d1d66c0cae9bb9c647b4333491Mathias Agopian left = top = right = bottom = 0; 764b8160fdfd3281d1d66c0cae9bb9c647b4333491Mathias Agopian } 774b8160fdfd3281d1d66c0cae9bb9c647b4333491Mathias Agopian 78edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // a valid rectangle has a non negative width and height 79edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project inline bool isValid() const { 806c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian return (getWidth() >= 0) && (getHeight() >= 0); 81edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 82edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 83edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // an empty rect has a zero width or height, or is invalid 84edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project inline bool isEmpty() const { 856c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian return (getWidth() <= 0) || (getHeight() <= 0); 86edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 87edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 88edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // rectangle's width 89b82203a6601728a507bc3e7d5b2b042356004aaeMathias Agopian inline int32_t getWidth() const { 906c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian return right - left; 91edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 926c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian 93edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // rectangle's height 94b82203a6601728a507bc3e7d5b2b042356004aaeMathias Agopian inline int32_t getHeight() const { 956c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian return bottom - top; 96edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 97edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 98b82203a6601728a507bc3e7d5b2b042356004aaeMathias Agopian inline Rect getBounds() const { 996c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian return Rect(right - left, bottom - top); 100b82203a6601728a507bc3e7d5b2b042356004aaeMathias Agopian } 101b82203a6601728a507bc3e7d5b2b042356004aaeMathias Agopian 10235801cea5f301c0e1d7a93b15a8f73f98e6b1033Mathias Agopian void setLeftTop(const Point& lt) { 10335801cea5f301c0e1d7a93b15a8f73f98e6b1033Mathias Agopian left = lt.x; 1046c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian top = lt.y; 105edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 10635801cea5f301c0e1d7a93b15a8f73f98e6b1033Mathias Agopian 10735801cea5f301c0e1d7a93b15a8f73f98e6b1033Mathias Agopian void setRightBottom(const Point& rb) { 10835801cea5f301c0e1d7a93b15a8f73f98e6b1033Mathias Agopian right = rb.x; 1096c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian bottom = rb.y; 110edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 111edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 112edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // the following 4 functions return the 4 corners of the rect as Point 11335801cea5f301c0e1d7a93b15a8f73f98e6b1033Mathias Agopian Point leftTop() const { 11435801cea5f301c0e1d7a93b15a8f73f98e6b1033Mathias Agopian return Point(left, top); 115edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 11635801cea5f301c0e1d7a93b15a8f73f98e6b1033Mathias Agopian Point rightBottom() const { 11735801cea5f301c0e1d7a93b15a8f73f98e6b1033Mathias Agopian return Point(right, bottom); 118edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 119edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Point rightTop() const { 120edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return Point(right, top); 121edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 122edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Point leftBottom() const { 123edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return Point(left, bottom); 124edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 125edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 126edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // comparisons 127edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project inline bool operator == (const Rect& rhs) const { 128edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return (left == rhs.left) && (top == rhs.top) && 129edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project (right == rhs.right) && (bottom == rhs.bottom); 130edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 131edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 132edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project inline bool operator != (const Rect& rhs) const { 133edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return !operator == (rhs); 134edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 135edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 136edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // operator < defines an order which allows to use rectangles in sorted 137edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // vectors. 138edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bool operator < (const Rect& rhs) const; 139edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1406c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian const Rect operator + (const Point& rhs) const; 1416c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian const Rect operator - (const Point& rhs) const; 1426c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian 1436c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian Rect& operator += (const Point& rhs) { 1446c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian return offsetBy(rhs.x, rhs.y); 1456c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian } 1466c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian Rect& operator -= (const Point& rhs) { 1476c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian return offsetBy(-rhs.x, -rhs.y); 1486c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian } 1496c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian 150edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Rect& offsetToOrigin() { 151edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project right -= left; 152edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bottom -= top; 153edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project left = top = 0; 154edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return *this; 155edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 156edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Rect& offsetTo(const Point& p) { 157edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return offsetTo(p.x, p.y); 158edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 159edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Rect& offsetBy(const Point& dp) { 160edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return offsetBy(dp.x, dp.y); 161edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 162edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1636c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian Rect& offsetTo(int32_t x, int32_t y); 1646c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian Rect& offsetBy(int32_t x, int32_t y); 16559332804306c054082a39e9b004146bd03ae1d30Jamie Gennis 1666c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian bool intersect(const Rect& with, Rect* result) const; 16759332804306c054082a39e9b004146bd03ae1d30Jamie Gennis 16859332804306c054082a39e9b004146bd03ae1d30Jamie Gennis // Create a new Rect by transforming this one using a graphics HAL 16959332804306c054082a39e9b004146bd03ae1d30Jamie Gennis // transform. This rectangle is defined in a coordinate space starting at 17059332804306c054082a39e9b004146bd03ae1d30Jamie Gennis // the origin and extending to (width, height). If the transform includes 17159332804306c054082a39e9b004146bd03ae1d30Jamie Gennis // a ROT90 then the output rectangle is defined in a space extending to 17259332804306c054082a39e9b004146bd03ae1d30Jamie Gennis // (height, width). Otherwise the output rectangle is in the same space as 17359332804306c054082a39e9b004146bd03ae1d30Jamie Gennis // the input. 174f15a83f5814219c167f87cb8aaea622fc8493499Jamie Gennis Rect transform(uint32_t xform, int32_t width, int32_t height) const; 1756c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian 176f3e85d432749ca77ad707bec523b67d741d43e6eMathias Agopian // this calculates (Region(*this) - exclude).bounds() efficiently 177f3e85d432749ca77ad707bec523b67d741d43e6eMathias Agopian Rect reduce(const Rect& exclude) const; 178f3e85d432749ca77ad707bec523b67d741d43e6eMathias Agopian 1796c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian // for backward compatibility 1806c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian inline int32_t width() const { return getWidth(); } 1816c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian inline int32_t height() const { return getHeight(); } 1826c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian inline void set(const Rect& rhs) { operator = (rhs); } 18371bded513d37a6c1260b4a62c69ecc0d24be95f7Dan Stoza 1845a423eaa86f4c990afcef8c55e3949d0872068b4Dan Stoza FloatRect toFloatRect() const { 18571bded513d37a6c1260b4a62c69ecc0d24be95f7Dan Stoza return {static_cast<float>(left), static_cast<float>(top), 18671bded513d37a6c1260b4a62c69ecc0d24be95f7Dan Stoza static_cast<float>(right), static_cast<float>(bottom)}; 18771bded513d37a6c1260b4a62c69ecc0d24be95f7Dan Stoza } 188edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project}; 189edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 190edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source ProjectANDROID_BASIC_TYPES_TRAITS(Rect) 191edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 192edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project}; // namespace android 193edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 194edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif // ANDROID_UI_RECT 195