Rect.h revision ac02eb9035a13a3d09c2def9ed63d04225eb2509
1bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy/* 2bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy * Copyright (C) 2010 The Android Open Source Project 3bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy * 4bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 5bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy * you may not use this file except in compliance with the License. 6bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy * You may obtain a copy of the License at 7bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy * 8bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy * http://www.apache.org/licenses/LICENSE-2.0 9bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy * 10bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy * Unless required by applicable law or agreed to in writing, software 11bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy * distributed under the License is distributed on an "AS IS" BASIS, 12bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy * See the License for the specific language governing permissions and 14bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy * limitations under the License. 15bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy */ 16bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#ifndef ANDROID_HWUI_RECT_H 185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#define ANDROID_HWUI_RECT_H 195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#include <cmath> 21df72b63928cc1492b72ba9a4e99d5e714f93ccc6Chris Craik#include <algorithm> 22af6f7ed8dd4288a41d0a07a1f0f0be7d6d035b33ztenghui#include <SkRect.h> 23bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 245cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include <utils/Log.h> 255cbbce535744b89df5ecea95de21ee3733298260Romain Guy 2632f05e343c5ffb17f3235942bcda651bd3b9f1d6Chris Craik#include "Vertex.h" 2732f05e343c5ffb17f3235942bcda651bd3b9f1d6Chris Craik 28bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guynamespace android { 299d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 30bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 3162d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik#define RECT_STRING "%5.2f %5.2f %5.2f %5.2f" 3228ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik#define RECT_ARGS(r) \ 3328ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik (r).left, (r).top, (r).right, (r).bottom 343f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik#define SK_RECT_ARGS(r) \ 353f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik (r).left(), (r).top(), (r).right(), (r).bottom() 3628ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik 37bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy/////////////////////////////////////////////////////////////////////////////// 38bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy// Structs 39bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy/////////////////////////////////////////////////////////////////////////////// 40bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 4183b186a246e8ffd52b91a17c0019dd8c9c9d21b1Mathias Agopianclass Rect { 4283b186a246e8ffd52b91a17c0019dd8c9c9d21b1Mathias Agopianpublic: 437ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy float left; 447ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy float top; 457ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy float right; 467ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy float bottom; 477ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy 485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Used by Region 495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy typedef float value_type; 505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5183b186a246e8ffd52b91a17c0019dd8c9c9d21b1Mathias Agopian // we don't provide copy-ctor and operator= on purpose 5283b186a246e8ffd52b91a17c0019dd8c9c9d21b1Mathias Agopian // because we want the compiler generated versions 5383b186a246e8ffd52b91a17c0019dd8c9c9d21b1Mathias Agopian 545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inline Rect(): 557ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy left(0), 567ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy top(0), 577ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy right(0), 587ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bottom(0) { 597ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 607ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy 615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inline Rect(float left, float top, float right, float bottom): 627ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy left(left), 637ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy top(top), 647ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy right(right), 657ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bottom(bottom) { 667ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 677ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy 685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inline Rect(float width, float height): 695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy left(0.0f), 705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy top(0.0f), 715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy right(width), 725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bottom(height) { 735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 75af6f7ed8dd4288a41d0a07a1f0f0be7d6d035b33ztenghui inline Rect(const SkRect& rect): 76af6f7ed8dd4288a41d0a07a1f0f0be7d6d035b33ztenghui left(rect.fLeft), 77af6f7ed8dd4288a41d0a07a1f0f0be7d6d035b33ztenghui top(rect.fTop), 78af6f7ed8dd4288a41d0a07a1f0f0be7d6d035b33ztenghui right(rect.fRight), 79af6f7ed8dd4288a41d0a07a1f0f0be7d6d035b33ztenghui bottom(rect.fBottom) { 80af6f7ed8dd4288a41d0a07a1f0f0be7d6d035b33ztenghui } 81af6f7ed8dd4288a41d0a07a1f0f0be7d6d035b33ztenghui 827ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy friend int operator==(const Rect& a, const Rect& b) { 837ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return !memcmp(&a, &b, sizeof(a)); 847ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 857ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy 867ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy friend int operator!=(const Rect& a, const Rect& b) { 877ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return memcmp(&a, &b, sizeof(a)); 887ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 897ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy 905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inline void clear() { 915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy left = top = right = bottom = 0.0f; 925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inline bool isEmpty() const { 9583b186a246e8ffd52b91a17c0019dd8c9c9d21b1Mathias Agopian // this is written in such way this it'll handle NANs to return 9683b186a246e8ffd52b91a17c0019dd8c9c9d21b1Mathias Agopian // true (empty) 9783b186a246e8ffd52b91a17c0019dd8c9c9d21b1Mathias Agopian return !((left < right) && (top < bottom)); 987ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 997ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy 1005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inline void setEmpty() { 1015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy left = top = right = bottom = 0.0f; 1027ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 1037ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy 1045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inline void set(float left, float top, float right, float bottom) { 1057ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy this->left = left; 1067ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy this->right = right; 1077ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy this->top = top; 1087ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy this->bottom = bottom; 1097ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 1107ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy 1115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inline void set(const Rect& r) { 1127ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy set(r.left, r.top, r.right, r.bottom); 1137ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 1147ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy 115487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk inline void set(const SkIRect& r) { 116487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk set(r.left(), r.top(), r.right(), r.bottom()); 117487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk } 118487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk 1198aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy inline float getWidth() const { 1207ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return right - left; 1217ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 1227ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy 1238aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy inline float getHeight() const { 1247ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return bottom - top; 1257ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 1267ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy 12783b186a246e8ffd52b91a17c0019dd8c9c9d21b1Mathias Agopian bool intersects(float l, float t, float r, float b) const { 128ac02eb9035a13a3d09c2def9ed63d04225eb2509Chris Craik float tempLeft = std::max(left, l); 129ac02eb9035a13a3d09c2def9ed63d04225eb2509Chris Craik float tempTop = std::max(top, t); 130ac02eb9035a13a3d09c2def9ed63d04225eb2509Chris Craik float tempRight = std::min(right, r); 131ac02eb9035a13a3d09c2def9ed63d04225eb2509Chris Craik float tempBottom = std::min(bottom, b); 132ac02eb9035a13a3d09c2def9ed63d04225eb2509Chris Craik 133ac02eb9035a13a3d09c2def9ed63d04225eb2509Chris Craik return ((tempLeft < tempRight) && (tempTop < tempBottom)); // !isEmpty 1347ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 1357ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy 1367ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool intersects(const Rect& r) const { 1377ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return intersects(r.left, r.top, r.right, r.bottom); 1387ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 1397ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy 140ac02eb9035a13a3d09c2def9ed63d04225eb2509Chris Craik /** 141ac02eb9035a13a3d09c2def9ed63d04225eb2509Chris Craik * This method is named 'doIntersect' instead of 'intersect' so as not to be confused with 142ac02eb9035a13a3d09c2def9ed63d04225eb2509Chris Craik * SkRect::intersect / android.graphics.Rect#intersect behavior, which do not modify the object 143ac02eb9035a13a3d09c2def9ed63d04225eb2509Chris Craik * if the intersection of the rects would be empty. 144ac02eb9035a13a3d09c2def9ed63d04225eb2509Chris Craik */ 145ac02eb9035a13a3d09c2def9ed63d04225eb2509Chris Craik void doIntersect(float l, float t, float r, float b) { 146ac02eb9035a13a3d09c2def9ed63d04225eb2509Chris Craik left = std::max(left, l); 147ac02eb9035a13a3d09c2def9ed63d04225eb2509Chris Craik top = std::max(top, t); 148ac02eb9035a13a3d09c2def9ed63d04225eb2509Chris Craik right = std::min(right, r); 149ac02eb9035a13a3d09c2def9ed63d04225eb2509Chris Craik bottom = std::min(bottom, b); 1507ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 1517ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy 152ac02eb9035a13a3d09c2def9ed63d04225eb2509Chris Craik void doIntersect(const Rect& r) { 153ac02eb9035a13a3d09c2def9ed63d04225eb2509Chris Craik doIntersect(r.left, r.top, r.right, r.bottom); 1547ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 1557ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy 1562db5e993b626794eb07a0ff354269f9a77da81b3Romain Guy inline bool contains(float l, float t, float r, float b) const { 157ec31f83bd3af1f900d1ee9116b15f56904c66dcdRomain Guy return l >= left && t >= top && r <= right && b <= bottom; 158ec31f83bd3af1f900d1ee9116b15f56904c66dcdRomain Guy } 159ec31f83bd3af1f900d1ee9116b15f56904c66dcdRomain Guy 1602db5e993b626794eb07a0ff354269f9a77da81b3Romain Guy inline bool contains(const Rect& r) const { 161ec31f83bd3af1f900d1ee9116b15f56904c66dcdRomain Guy return contains(r.left, r.top, r.right, r.bottom); 162ec31f83bd3af1f900d1ee9116b15f56904c66dcdRomain Guy } 163ec31f83bd3af1f900d1ee9116b15f56904c66dcdRomain Guy 164079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy bool unionWith(const Rect& r) { 165079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy if (r.left < r.right && r.top < r.bottom) { 166079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy if (left < right && top < bottom) { 167079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy if (left > r.left) left = r.left; 168079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy if (top > r.top) top = r.top; 169079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy if (right < r.right) right = r.right; 170079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy if (bottom < r.bottom) bottom = r.bottom; 171079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return true; 172079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy } else { 173079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy left = r.left; 174079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy top = r.top; 175079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy right = r.right; 176079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy bottom = r.bottom; 177079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return true; 178079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy } 179079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy } 180079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return false; 181079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy } 182079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy 1835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy void translate(float dx, float dy) { 1845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy left += dx; 1855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy right += dx; 1865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy top += dy; 1875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bottom += dy; 1885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 1895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 190e4aa95e3627226bcb0d8cc3e42dca6e4df8f421cChris Craik void inset(float delta) { 191e4aa95e3627226bcb0d8cc3e42dca6e4df8f421cChris Craik outset(-delta); 192e4aa95e3627226bcb0d8cc3e42dca6e4df8f421cChris Craik } 193e4aa95e3627226bcb0d8cc3e42dca6e4df8f421cChris Craik 194c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik void outset(float delta) { 195c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik left -= delta; 196c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik top -= delta; 197c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik right += delta; 198c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik bottom += delta; 199c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 200c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 20105f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik void outset(float xdelta, float ydelta) { 20205f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik left -= xdelta; 20305f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik top -= ydelta; 20405f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik right += xdelta; 20505f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik bottom += ydelta; 20605f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik } 20705f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik 2085e49b307eb99269db2db257760508b8efd7bb97dChris Craik /** 20932f05e343c5ffb17f3235942bcda651bd3b9f1d6Chris Craik * Similar to snapToPixelBoundaries, but estimates bounds conservatively to handle GL rounding 21032f05e343c5ffb17f3235942bcda651bd3b9f1d6Chris Craik * errors. 2115e49b307eb99269db2db257760508b8efd7bb97dChris Craik * 21232f05e343c5ffb17f3235942bcda651bd3b9f1d6Chris Craik * This function should be used whenever estimating the damage rect of geometry already mapped 21332f05e343c5ffb17f3235942bcda651bd3b9f1d6Chris Craik * into layer space. 2145e49b307eb99269db2db257760508b8efd7bb97dChris Craik */ 21532f05e343c5ffb17f3235942bcda651bd3b9f1d6Chris Craik void snapGeometryToPixelBoundaries(bool snapOut) { 21632f05e343c5ffb17f3235942bcda651bd3b9f1d6Chris Craik if (snapOut) { 21732f05e343c5ffb17f3235942bcda651bd3b9f1d6Chris Craik /* For AA geometry with a ramp perimeter, don't snap by rounding - AA geometry will have 21832f05e343c5ffb17f3235942bcda651bd3b9f1d6Chris Craik * a 0.5 pixel perimeter not accounted for in its bounds. Instead, snap by 21932f05e343c5ffb17f3235942bcda651bd3b9f1d6Chris Craik * conservatively rounding out the bounds with floor/ceil. 22032f05e343c5ffb17f3235942bcda651bd3b9f1d6Chris Craik * 22132f05e343c5ffb17f3235942bcda651bd3b9f1d6Chris Craik * In order to avoid changing integer bounds with floor/ceil due to rounding errors 22232f05e343c5ffb17f3235942bcda651bd3b9f1d6Chris Craik * inset the bounds first by the fudge factor. Very small fraction-of-a-pixel errors 22332f05e343c5ffb17f3235942bcda651bd3b9f1d6Chris Craik * from this inset will only incur similarly small errors in output, due to transparency 22432f05e343c5ffb17f3235942bcda651bd3b9f1d6Chris Craik * in extreme outside of the geometry. 22532f05e343c5ffb17f3235942bcda651bd3b9f1d6Chris Craik */ 226564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik left = floorf(left + Vertex::GeometryFudgeFactor()); 227564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik top = floorf(top + Vertex::GeometryFudgeFactor()); 228564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik right = ceilf(right - Vertex::GeometryFudgeFactor()); 229564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik bottom = ceilf(bottom - Vertex::GeometryFudgeFactor()); 23032f05e343c5ffb17f3235942bcda651bd3b9f1d6Chris Craik } else { 23132f05e343c5ffb17f3235942bcda651bd3b9f1d6Chris Craik /* For other geometry, we do the regular rounding in order to snap, but also outset the 23232f05e343c5ffb17f3235942bcda651bd3b9f1d6Chris Craik * bounds by a fudge factor. This ensures that ambiguous geometry (e.g. a non-AA Rect 23332f05e343c5ffb17f3235942bcda651bd3b9f1d6Chris Craik * with top left at (0.5, 0.5)) will err on the side of a larger damage rect. 23432f05e343c5ffb17f3235942bcda651bd3b9f1d6Chris Craik */ 235564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik left = floorf(left + 0.5f - Vertex::GeometryFudgeFactor()); 236564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik top = floorf(top + 0.5f - Vertex::GeometryFudgeFactor()); 237564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik right = floorf(right + 0.5f + Vertex::GeometryFudgeFactor()); 238564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik bottom = floorf(bottom + 0.5f + Vertex::GeometryFudgeFactor()); 23932f05e343c5ffb17f3235942bcda651bd3b9f1d6Chris Craik } 2405e49b307eb99269db2db257760508b8efd7bb97dChris Craik } 2415e49b307eb99269db2db257760508b8efd7bb97dChris Craik 242bf434114cbf55b216fdc76fc8d65a75e84c9dab5Romain Guy void snapToPixelBoundaries() { 243ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy left = floorf(left + 0.5f); 244ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy top = floorf(top + 0.5f); 245ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy right = floorf(right + 0.5f); 246ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy bottom = floorf(bottom + 0.5f); 247bf434114cbf55b216fdc76fc8d65a75e84c9dab5Romain Guy } 248bf434114cbf55b216fdc76fc8d65a75e84c9dab5Romain Guy 249f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik void roundOut() { 250f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik left = floorf(left); 251f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik top = floorf(top); 252f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik right = ceilf(right); 253f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik bottom = ceilf(bottom); 254f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik } 255f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik 256c93e45cf045f41aea95f856173e4043d988a5a5cChris Craik void expandToCoverVertex(float x, float y) { 257df72b63928cc1492b72ba9a4e99d5e714f93ccc6Chris Craik left = std::min(left, x); 258df72b63928cc1492b72ba9a4e99d5e714f93ccc6Chris Craik top = std::min(top, y); 259df72b63928cc1492b72ba9a4e99d5e714f93ccc6Chris Craik right = std::max(right, x); 260df72b63928cc1492b72ba9a4e99d5e714f93ccc6Chris Craik bottom = std::max(bottom, y); 261c93e45cf045f41aea95f856173e4043d988a5a5cChris Craik } 262c93e45cf045f41aea95f856173e4043d988a5a5cChris Craik 2638820fd1d82acaefda98ae73ccf61413d5044f9f3Chris Craik void expandToCoverRect(float otherLeft, float otherTop, float otherRight, float otherBottom) { 264df72b63928cc1492b72ba9a4e99d5e714f93ccc6Chris Craik left = std::min(left, otherLeft); 265df72b63928cc1492b72ba9a4e99d5e714f93ccc6Chris Craik top = std::min(top, otherTop); 266df72b63928cc1492b72ba9a4e99d5e714f93ccc6Chris Craik right = std::max(right, otherRight); 267df72b63928cc1492b72ba9a4e99d5e714f93ccc6Chris Craik bottom = std::max(bottom, otherBottom); 2688820fd1d82acaefda98ae73ccf61413d5044f9f3Chris Craik } 2698820fd1d82acaefda98ae73ccf61413d5044f9f3Chris Craik 270487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk SkRect toSkRect() const { 271487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk return SkRect::MakeLTRB(left, top, right, bottom); 272487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk } 273487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk 274487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk SkIRect toSkIRect() const { 275487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk return SkIRect::MakeLTRB(left, top, right, bottom); 276487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk } 277487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk 278e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik void dump(const char* label = nullptr) const { 279e4aa95e3627226bcb0d8cc3e42dca6e4df8f421cChris Craik ALOGD("%s[l=%f t=%f r=%f b=%f]", label ? label : "Rect", left, top, right, bottom); 2807ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 28183b186a246e8ffd52b91a17c0019dd8c9c9d21b1Mathias Agopian}; // class Rect 282bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2839d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 284bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy}; // namespace android 285bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif // ANDROID_HWUI_RECT_H 287