1edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project/* 2edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * Copyright (C) 2007 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#define LOG_TAG "Region" 18edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1992dc3fc52cf097bd105460cf377779bdcf146d62Mark Salyzyn#include <inttypes.h> 2072b0ffe4c3776b33844bb00b9be5693bddd391f9Mathias Agopian#include <limits.h> 2172b0ffe4c3776b33844bb00b9be5693bddd391f9Mathias Agopian 2220f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian#include <utils/Log.h> 23edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <utils/String8.h> 24068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian#include <utils/CallStack.h> 2520f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian 2620f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian#include <ui/Rect.h> 27edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <ui/Region.h> 2820f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian#include <ui/Point.h> 2920f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian 3020f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian#include <private/ui/RegionHelper.h> 3120f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian 3220f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian// ---------------------------------------------------------------------------- 3320f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian#define VALIDATE_REGIONS (false) 3420f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian#define VALIDATE_WITH_CORECG (false) 3520f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian// ---------------------------------------------------------------------------- 3620f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian 3720f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian#if VALIDATE_WITH_CORECG 3820f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian#include <core/SkRegion.h> 3920f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian#endif 40edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 41edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectnamespace android { 4220f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian// ---------------------------------------------------------------------------- 4320f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian 4420f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopianenum { 4520f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian op_nand = region_operator<Rect>::op_nand, 4620f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian op_and = region_operator<Rect>::op_and, 4720f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian op_or = region_operator<Rect>::op_or, 4820f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian op_xor = region_operator<Rect>::op_xor 4920f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian}; 50edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 513e010f3138593cc6953039ee0e3db8ee31881296Chris Craikenum { 523e010f3138593cc6953039ee0e3db8ee31881296Chris Craik direction_LTR, 533e010f3138593cc6953039ee0e3db8ee31881296Chris Craik direction_RTL 543e010f3138593cc6953039ee0e3db8ee31881296Chris Craik}; 553e010f3138593cc6953039ee0e3db8ee31881296Chris Craik 56edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// ---------------------------------------------------------------------------- 57edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 583ab68558fa5a4b8f792a54965a010f03385bd271Mathias AgopianRegion::Region() { 593ab68558fa5a4b8f792a54965a010f03385bd271Mathias Agopian mStorage.add(Rect(0,0)); 60edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 61edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 62edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source ProjectRegion::Region(const Region& rhs) 633ab68558fa5a4b8f792a54965a010f03385bd271Mathias Agopian : mStorage(rhs.mStorage) 64edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 65d0b55c011a311b677493ba72804bf1bc4df68224Mathias Agopian#if VALIDATE_REGIONS 66d0b55c011a311b677493ba72804bf1bc4df68224Mathias Agopian validate(rhs, "rhs copy-ctor"); 67d0b55c011a311b677493ba72804bf1bc4df68224Mathias Agopian#endif 68edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 69edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 703ab68558fa5a4b8f792a54965a010f03385bd271Mathias AgopianRegion::Region(const Rect& rhs) { 713ab68558fa5a4b8f792a54965a010f03385bd271Mathias Agopian mStorage.add(rhs); 72edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 73edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 7420f68782a4ea71c6a977d7f87d8288d3daa265ecMathias AgopianRegion::~Region() 75edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 76edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 77edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 783e010f3138593cc6953039ee0e3db8ee31881296Chris Craik/** 793e010f3138593cc6953039ee0e3db8ee31881296Chris Craik * Copy rects from the src vector into the dst vector, resolving vertical T-Junctions along the way 803e010f3138593cc6953039ee0e3db8ee31881296Chris Craik * 813e010f3138593cc6953039ee0e3db8ee31881296Chris Craik * First pass through, divideSpanRTL will be set because the 'previous span' (indexing into the dst 823e010f3138593cc6953039ee0e3db8ee31881296Chris Craik * vector) will be reversed. Each rectangle in the original list, starting from the bottom, will be 833e010f3138593cc6953039ee0e3db8ee31881296Chris Craik * compared with the span directly below, and subdivided as needed to resolve T-junctions. 843e010f3138593cc6953039ee0e3db8ee31881296Chris Craik * 853e010f3138593cc6953039ee0e3db8ee31881296Chris Craik * The resulting temporary vector will be a completely reversed copy of the original, without any 863e010f3138593cc6953039ee0e3db8ee31881296Chris Craik * bottom-up T-junctions. 873e010f3138593cc6953039ee0e3db8ee31881296Chris Craik * 883e010f3138593cc6953039ee0e3db8ee31881296Chris Craik * Second pass through, divideSpanRTL will be false since the previous span will index into the 893e010f3138593cc6953039ee0e3db8ee31881296Chris Craik * final, correctly ordered region buffer. Each rectangle will be compared with the span directly 903e010f3138593cc6953039ee0e3db8ee31881296Chris Craik * above it, and subdivided to resolve any remaining T-junctions. 913e010f3138593cc6953039ee0e3db8ee31881296Chris Craik */ 923e010f3138593cc6953039ee0e3db8ee31881296Chris Craikstatic void reverseRectsResolvingJunctions(const Rect* begin, const Rect* end, 933e010f3138593cc6953039ee0e3db8ee31881296Chris Craik Vector<Rect>& dst, int spanDirection) { 943e010f3138593cc6953039ee0e3db8ee31881296Chris Craik dst.clear(); 953e010f3138593cc6953039ee0e3db8ee31881296Chris Craik 963e010f3138593cc6953039ee0e3db8ee31881296Chris Craik const Rect* current = end - 1; 973e010f3138593cc6953039ee0e3db8ee31881296Chris Craik int lastTop = current->top; 983e010f3138593cc6953039ee0e3db8ee31881296Chris Craik 993e010f3138593cc6953039ee0e3db8ee31881296Chris Craik // add first span immediately 1003e010f3138593cc6953039ee0e3db8ee31881296Chris Craik do { 1013e010f3138593cc6953039ee0e3db8ee31881296Chris Craik dst.add(*current); 1023e010f3138593cc6953039ee0e3db8ee31881296Chris Craik current--; 1033e010f3138593cc6953039ee0e3db8ee31881296Chris Craik } while (current->top == lastTop && current >= begin); 1043e010f3138593cc6953039ee0e3db8ee31881296Chris Craik 1053e010f3138593cc6953039ee0e3db8ee31881296Chris Craik unsigned int beginLastSpan = -1; 1063e010f3138593cc6953039ee0e3db8ee31881296Chris Craik unsigned int endLastSpan = -1; 1073e010f3138593cc6953039ee0e3db8ee31881296Chris Craik int top = -1; 1083e010f3138593cc6953039ee0e3db8ee31881296Chris Craik int bottom = -1; 1093e010f3138593cc6953039ee0e3db8ee31881296Chris Craik 1103e010f3138593cc6953039ee0e3db8ee31881296Chris Craik // for all other spans, split if a t-junction exists in the span directly above 1113e010f3138593cc6953039ee0e3db8ee31881296Chris Craik while (current >= begin) { 1123e010f3138593cc6953039ee0e3db8ee31881296Chris Craik if (current->top != (current + 1)->top) { 1133e010f3138593cc6953039ee0e3db8ee31881296Chris Craik // new span 1143e010f3138593cc6953039ee0e3db8ee31881296Chris Craik if ((spanDirection == direction_RTL && current->bottom != (current + 1)->top) || 1153e010f3138593cc6953039ee0e3db8ee31881296Chris Craik (spanDirection == direction_LTR && current->top != (current + 1)->bottom)) { 1163e010f3138593cc6953039ee0e3db8ee31881296Chris Craik // previous span not directly adjacent, don't check for T junctions 1173e010f3138593cc6953039ee0e3db8ee31881296Chris Craik beginLastSpan = INT_MAX; 1183e010f3138593cc6953039ee0e3db8ee31881296Chris Craik } else { 1193e010f3138593cc6953039ee0e3db8ee31881296Chris Craik beginLastSpan = endLastSpan + 1; 1203e010f3138593cc6953039ee0e3db8ee31881296Chris Craik } 1213e010f3138593cc6953039ee0e3db8ee31881296Chris Craik endLastSpan = dst.size() - 1; 1223e010f3138593cc6953039ee0e3db8ee31881296Chris Craik 1233e010f3138593cc6953039ee0e3db8ee31881296Chris Craik top = current->top; 1243e010f3138593cc6953039ee0e3db8ee31881296Chris Craik bottom = current->bottom; 1253e010f3138593cc6953039ee0e3db8ee31881296Chris Craik } 1263e010f3138593cc6953039ee0e3db8ee31881296Chris Craik int left = current->left; 1273e010f3138593cc6953039ee0e3db8ee31881296Chris Craik int right = current->right; 1283e010f3138593cc6953039ee0e3db8ee31881296Chris Craik 1293e010f3138593cc6953039ee0e3db8ee31881296Chris Craik for (unsigned int prevIndex = beginLastSpan; prevIndex <= endLastSpan; prevIndex++) { 1303e010f3138593cc6953039ee0e3db8ee31881296Chris Craik const Rect* prev = &dst[prevIndex]; 1313e010f3138593cc6953039ee0e3db8ee31881296Chris Craik if (spanDirection == direction_RTL) { 1323e010f3138593cc6953039ee0e3db8ee31881296Chris Craik // iterating over previous span RTL, quit if it's too far left 1333e010f3138593cc6953039ee0e3db8ee31881296Chris Craik if (prev->right <= left) break; 1343e010f3138593cc6953039ee0e3db8ee31881296Chris Craik 1353e010f3138593cc6953039ee0e3db8ee31881296Chris Craik if (prev->right > left && prev->right < right) { 1363e010f3138593cc6953039ee0e3db8ee31881296Chris Craik dst.add(Rect(prev->right, top, right, bottom)); 1373e010f3138593cc6953039ee0e3db8ee31881296Chris Craik right = prev->right; 1383e010f3138593cc6953039ee0e3db8ee31881296Chris Craik } 1393e010f3138593cc6953039ee0e3db8ee31881296Chris Craik 1403e010f3138593cc6953039ee0e3db8ee31881296Chris Craik if (prev->left > left && prev->left < right) { 1413e010f3138593cc6953039ee0e3db8ee31881296Chris Craik dst.add(Rect(prev->left, top, right, bottom)); 1423e010f3138593cc6953039ee0e3db8ee31881296Chris Craik right = prev->left; 1433e010f3138593cc6953039ee0e3db8ee31881296Chris Craik } 1443e010f3138593cc6953039ee0e3db8ee31881296Chris Craik 1453e010f3138593cc6953039ee0e3db8ee31881296Chris Craik // if an entry in the previous span is too far right, nothing further left in the 1463e010f3138593cc6953039ee0e3db8ee31881296Chris Craik // current span will need it 1473e010f3138593cc6953039ee0e3db8ee31881296Chris Craik if (prev->left >= right) { 1483e010f3138593cc6953039ee0e3db8ee31881296Chris Craik beginLastSpan = prevIndex; 1493e010f3138593cc6953039ee0e3db8ee31881296Chris Craik } 1503e010f3138593cc6953039ee0e3db8ee31881296Chris Craik } else { 1513e010f3138593cc6953039ee0e3db8ee31881296Chris Craik // iterating over previous span LTR, quit if it's too far right 1523e010f3138593cc6953039ee0e3db8ee31881296Chris Craik if (prev->left >= right) break; 1533e010f3138593cc6953039ee0e3db8ee31881296Chris Craik 1543e010f3138593cc6953039ee0e3db8ee31881296Chris Craik if (prev->left > left && prev->left < right) { 1553e010f3138593cc6953039ee0e3db8ee31881296Chris Craik dst.add(Rect(left, top, prev->left, bottom)); 1563e010f3138593cc6953039ee0e3db8ee31881296Chris Craik left = prev->left; 1573e010f3138593cc6953039ee0e3db8ee31881296Chris Craik } 1583e010f3138593cc6953039ee0e3db8ee31881296Chris Craik 1593e010f3138593cc6953039ee0e3db8ee31881296Chris Craik if (prev->right > left && prev->right < right) { 1603e010f3138593cc6953039ee0e3db8ee31881296Chris Craik dst.add(Rect(left, top, prev->right, bottom)); 1613e010f3138593cc6953039ee0e3db8ee31881296Chris Craik left = prev->right; 1623e010f3138593cc6953039ee0e3db8ee31881296Chris Craik } 1633e010f3138593cc6953039ee0e3db8ee31881296Chris Craik // if an entry in the previous span is too far left, nothing further right in the 1643e010f3138593cc6953039ee0e3db8ee31881296Chris Craik // current span will need it 1653e010f3138593cc6953039ee0e3db8ee31881296Chris Craik if (prev->right <= left) { 1663e010f3138593cc6953039ee0e3db8ee31881296Chris Craik beginLastSpan = prevIndex; 1673e010f3138593cc6953039ee0e3db8ee31881296Chris Craik } 1683e010f3138593cc6953039ee0e3db8ee31881296Chris Craik } 1693e010f3138593cc6953039ee0e3db8ee31881296Chris Craik } 1703e010f3138593cc6953039ee0e3db8ee31881296Chris Craik 1713e010f3138593cc6953039ee0e3db8ee31881296Chris Craik if (left < right) { 1723e010f3138593cc6953039ee0e3db8ee31881296Chris Craik dst.add(Rect(left, top, right, bottom)); 1733e010f3138593cc6953039ee0e3db8ee31881296Chris Craik } 1743e010f3138593cc6953039ee0e3db8ee31881296Chris Craik 1753e010f3138593cc6953039ee0e3db8ee31881296Chris Craik current--; 1763e010f3138593cc6953039ee0e3db8ee31881296Chris Craik } 1773e010f3138593cc6953039ee0e3db8ee31881296Chris Craik} 1783e010f3138593cc6953039ee0e3db8ee31881296Chris Craik 1793e010f3138593cc6953039ee0e3db8ee31881296Chris Craik/** 1803e010f3138593cc6953039ee0e3db8ee31881296Chris Craik * Creates a new region with the same data as the argument, but divides rectangles as necessary to 1813e010f3138593cc6953039ee0e3db8ee31881296Chris Craik * remove T-Junctions 1823e010f3138593cc6953039ee0e3db8ee31881296Chris Craik * 1833e010f3138593cc6953039ee0e3db8ee31881296Chris Craik * Note: the output will not necessarily be a very efficient representation of the region, since it 1843e010f3138593cc6953039ee0e3db8ee31881296Chris Craik * may be that a triangle-based approach would generate significantly simpler geometry 1853e010f3138593cc6953039ee0e3db8ee31881296Chris Craik */ 1863e010f3138593cc6953039ee0e3db8ee31881296Chris CraikRegion Region::createTJunctionFreeRegion(const Region& r) { 1873e010f3138593cc6953039ee0e3db8ee31881296Chris Craik if (r.isEmpty()) return r; 1883e010f3138593cc6953039ee0e3db8ee31881296Chris Craik if (r.isRect()) return r; 1893e010f3138593cc6953039ee0e3db8ee31881296Chris Craik 1903e010f3138593cc6953039ee0e3db8ee31881296Chris Craik Vector<Rect> reversed; 1913e010f3138593cc6953039ee0e3db8ee31881296Chris Craik reverseRectsResolvingJunctions(r.begin(), r.end(), reversed, direction_RTL); 1923e010f3138593cc6953039ee0e3db8ee31881296Chris Craik 1933e010f3138593cc6953039ee0e3db8ee31881296Chris Craik Region outputRegion; 1943e010f3138593cc6953039ee0e3db8ee31881296Chris Craik reverseRectsResolvingJunctions(reversed.begin(), reversed.end(), 1953e010f3138593cc6953039ee0e3db8ee31881296Chris Craik outputRegion.mStorage, direction_LTR); 1963e010f3138593cc6953039ee0e3db8ee31881296Chris Craik outputRegion.mStorage.add(r.getBounds()); // to make region valid, mStorage must end with bounds 1973e010f3138593cc6953039ee0e3db8ee31881296Chris Craik 1983e010f3138593cc6953039ee0e3db8ee31881296Chris Craik#if VALIDATE_REGIONS 1993e010f3138593cc6953039ee0e3db8ee31881296Chris Craik validate(outputRegion, "T-Junction free region"); 2003e010f3138593cc6953039ee0e3db8ee31881296Chris Craik#endif 2013e010f3138593cc6953039ee0e3db8ee31881296Chris Craik 2023e010f3138593cc6953039ee0e3db8ee31881296Chris Craik return outputRegion; 2033e010f3138593cc6953039ee0e3db8ee31881296Chris Craik} 2043e010f3138593cc6953039ee0e3db8ee31881296Chris Craik 20520f68782a4ea71c6a977d7f87d8288d3daa265ecMathias AgopianRegion& Region::operator = (const Region& rhs) 206edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 20720f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian#if VALIDATE_REGIONS 208d0b55c011a311b677493ba72804bf1bc4df68224Mathias Agopian validate(*this, "this->operator="); 209d0b55c011a311b677493ba72804bf1bc4df68224Mathias Agopian validate(rhs, "rhs.operator="); 21020f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian#endif 21120f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian mStorage = rhs.mStorage; 21220f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian return *this; 213edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 214edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 2159f96145725ff3f265712d607d19078fb91a5c8ecMathias AgopianRegion& Region::makeBoundsSelf() 2169f96145725ff3f265712d607d19078fb91a5c8ecMathias Agopian{ 2173ab68558fa5a4b8f792a54965a010f03385bd271Mathias Agopian if (mStorage.size() >= 2) { 2183ab68558fa5a4b8f792a54965a010f03385bd271Mathias Agopian const Rect bounds(getBounds()); 2193ab68558fa5a4b8f792a54965a010f03385bd271Mathias Agopian mStorage.clear(); 2203ab68558fa5a4b8f792a54965a010f03385bd271Mathias Agopian mStorage.add(bounds); 2213ab68558fa5a4b8f792a54965a010f03385bd271Mathias Agopian } 2229f96145725ff3f265712d607d19078fb91a5c8ecMathias Agopian return *this; 2239f96145725ff3f265712d607d19078fb91a5c8ecMathias Agopian} 2249f96145725ff3f265712d607d19078fb91a5c8ecMathias Agopian 2251c284a9431f98bbefd27a30c3368bbf7366dff3aMichael Wrightbool Region::contains(const Point& point) const { 2261c284a9431f98bbefd27a30c3368bbf7366dff3aMichael Wright return contains(point.x, point.y); 2271c284a9431f98bbefd27a30c3368bbf7366dff3aMichael Wright} 2281c284a9431f98bbefd27a30c3368bbf7366dff3aMichael Wright 2291c284a9431f98bbefd27a30c3368bbf7366dff3aMichael Wrightbool Region::contains(int x, int y) const { 2301c284a9431f98bbefd27a30c3368bbf7366dff3aMichael Wright const_iterator cur = begin(); 2311c284a9431f98bbefd27a30c3368bbf7366dff3aMichael Wright const_iterator const tail = end(); 2321c284a9431f98bbefd27a30c3368bbf7366dff3aMichael Wright while (cur != tail) { 2331c284a9431f98bbefd27a30c3368bbf7366dff3aMichael Wright if (y >= cur->top && y < cur->bottom && x >= cur->left && x < cur->right) { 2341c284a9431f98bbefd27a30c3368bbf7366dff3aMichael Wright return true; 2351c284a9431f98bbefd27a30c3368bbf7366dff3aMichael Wright } 2361c284a9431f98bbefd27a30c3368bbf7366dff3aMichael Wright cur++; 2371c284a9431f98bbefd27a30c3368bbf7366dff3aMichael Wright } 2381c284a9431f98bbefd27a30c3368bbf7366dff3aMichael Wright return false; 2391c284a9431f98bbefd27a30c3368bbf7366dff3aMichael Wright} 2401c284a9431f98bbefd27a30c3368bbf7366dff3aMichael Wright 241edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid Region::clear() 242edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 24320f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian mStorage.clear(); 2443ab68558fa5a4b8f792a54965a010f03385bd271Mathias Agopian mStorage.add(Rect(0,0)); 245edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 246edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 247edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid Region::set(const Rect& r) 248edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 24920f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian mStorage.clear(); 2503ab68558fa5a4b8f792a54965a010f03385bd271Mathias Agopian mStorage.add(r); 251edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 252edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 2530926f50664c739eaee60341f8e8c694dc9a4f3ebMathias Agopianvoid Region::set(uint32_t w, uint32_t h) 2540926f50664c739eaee60341f8e8c694dc9a4f3ebMathias Agopian{ 25520f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian mStorage.clear(); 2563ab68558fa5a4b8f792a54965a010f03385bd271Mathias Agopian mStorage.add(Rect(w,h)); 2570926f50664c739eaee60341f8e8c694dc9a4f3ebMathias Agopian} 2580926f50664c739eaee60341f8e8c694dc9a4f3ebMathias Agopian 2592ca79399b933935eb1b6c0ec1f746f8c4475369cMathias Agopianbool Region::isTriviallyEqual(const Region& region) const { 2602ca79399b933935eb1b6c0ec1f746f8c4475369cMathias Agopian return begin() == region.begin(); 2612ca79399b933935eb1b6c0ec1f746f8c4475369cMathias Agopian} 2622ca79399b933935eb1b6c0ec1f746f8c4475369cMathias Agopian 263edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// ---------------------------------------------------------------------------- 264edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 26520f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopianvoid Region::addRectUnchecked(int l, int t, int r, int b) 266edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 2673ab68558fa5a4b8f792a54965a010f03385bd271Mathias Agopian Rect rect(l,t,r,b); 2683ab68558fa5a4b8f792a54965a010f03385bd271Mathias Agopian size_t where = mStorage.size() - 1; 2693ab68558fa5a4b8f792a54965a010f03385bd271Mathias Agopian mStorage.insertAt(rect, where, 1); 270edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 271edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 27220f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian// ---------------------------------------------------------------------------- 27320f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian 27420f68782a4ea71c6a977d7f87d8288d3daa265ecMathias AgopianRegion& Region::orSelf(const Rect& r) { 27520f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian return operationSelf(r, op_or); 27620f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian} 277b8a2e98cd7edbe7513543670c94f6b5efa74462fRomain GuyRegion& Region::xorSelf(const Rect& r) { 278b8a2e98cd7edbe7513543670c94f6b5efa74462fRomain Guy return operationSelf(r, op_xor); 279b8a2e98cd7edbe7513543670c94f6b5efa74462fRomain Guy} 28020f68782a4ea71c6a977d7f87d8288d3daa265ecMathias AgopianRegion& Region::andSelf(const Rect& r) { 28120f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian return operationSelf(r, op_and); 28220f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian} 28320f68782a4ea71c6a977d7f87d8288d3daa265ecMathias AgopianRegion& Region::subtractSelf(const Rect& r) { 28420f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian return operationSelf(r, op_nand); 28520f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian} 28620f68782a4ea71c6a977d7f87d8288d3daa265ecMathias AgopianRegion& Region::operationSelf(const Rect& r, int op) { 28720f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian Region lhs(*this); 28820f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian boolean_operation(op, *this, lhs, r); 289edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return *this; 290edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 291edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 292edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// ---------------------------------------------------------------------------- 293edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 294edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source ProjectRegion& Region::orSelf(const Region& rhs) { 29520f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian return operationSelf(rhs, op_or); 296edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 297b8a2e98cd7edbe7513543670c94f6b5efa74462fRomain GuyRegion& Region::xorSelf(const Region& rhs) { 298b8a2e98cd7edbe7513543670c94f6b5efa74462fRomain Guy return operationSelf(rhs, op_xor); 299b8a2e98cd7edbe7513543670c94f6b5efa74462fRomain Guy} 300edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source ProjectRegion& Region::andSelf(const Region& rhs) { 30120f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian return operationSelf(rhs, op_and); 302edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 303edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source ProjectRegion& Region::subtractSelf(const Region& rhs) { 30420f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian return operationSelf(rhs, op_nand); 30520f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian} 30620f68782a4ea71c6a977d7f87d8288d3daa265ecMathias AgopianRegion& Region::operationSelf(const Region& rhs, int op) { 30720f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian Region lhs(*this); 30820f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian boolean_operation(op, *this, lhs, rhs); 309edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return *this; 310edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 311edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 312edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source ProjectRegion& Region::translateSelf(int x, int y) { 31320f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian if (x|y) translate(*this, x, y); 314edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return *this; 315edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 316edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 31720f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian// ---------------------------------------------------------------------------- 31820f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian 319bed9dd128dfbdc7d9dbca005078536dadc0b9359Mathias Agopianconst Region Region::merge(const Rect& rhs) const { 32020f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian return operation(rhs, op_or); 32120f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian} 322b8a2e98cd7edbe7513543670c94f6b5efa74462fRomain Guyconst Region Region::mergeExclusive(const Rect& rhs) const { 323b8a2e98cd7edbe7513543670c94f6b5efa74462fRomain Guy return operation(rhs, op_xor); 324b8a2e98cd7edbe7513543670c94f6b5efa74462fRomain Guy} 325bed9dd128dfbdc7d9dbca005078536dadc0b9359Mathias Agopianconst Region Region::intersect(const Rect& rhs) const { 32620f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian return operation(rhs, op_and); 32720f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian} 328bed9dd128dfbdc7d9dbca005078536dadc0b9359Mathias Agopianconst Region Region::subtract(const Rect& rhs) const { 32920f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian return operation(rhs, op_nand); 33020f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian} 331bed9dd128dfbdc7d9dbca005078536dadc0b9359Mathias Agopianconst Region Region::operation(const Rect& rhs, int op) const { 332edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Region result; 33320f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian boolean_operation(op, result, *this, rhs); 334edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return result; 335edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 336edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 33720f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian// ---------------------------------------------------------------------------- 33820f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian 339bed9dd128dfbdc7d9dbca005078536dadc0b9359Mathias Agopianconst Region Region::merge(const Region& rhs) const { 34020f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian return operation(rhs, op_or); 34120f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian} 342b8a2e98cd7edbe7513543670c94f6b5efa74462fRomain Guyconst Region Region::mergeExclusive(const Region& rhs) const { 343b8a2e98cd7edbe7513543670c94f6b5efa74462fRomain Guy return operation(rhs, op_xor); 344b8a2e98cd7edbe7513543670c94f6b5efa74462fRomain Guy} 345bed9dd128dfbdc7d9dbca005078536dadc0b9359Mathias Agopianconst Region Region::intersect(const Region& rhs) const { 34620f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian return operation(rhs, op_and); 347edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 348bed9dd128dfbdc7d9dbca005078536dadc0b9359Mathias Agopianconst Region Region::subtract(const Region& rhs) const { 34920f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian return operation(rhs, op_nand); 35020f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian} 351bed9dd128dfbdc7d9dbca005078536dadc0b9359Mathias Agopianconst Region Region::operation(const Region& rhs, int op) const { 352edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Region result; 35320f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian boolean_operation(op, result, *this, rhs); 354edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return result; 355edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 356edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 357bed9dd128dfbdc7d9dbca005078536dadc0b9359Mathias Agopianconst Region Region::translate(int x, int y) const { 358edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Region result; 35920f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian translate(result, *this, x, y); 360edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return result; 361edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 362edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 363edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// ---------------------------------------------------------------------------- 364edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 365edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source ProjectRegion& Region::orSelf(const Region& rhs, int dx, int dy) { 36620f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian return operationSelf(rhs, dx, dy, op_or); 367edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 368b8a2e98cd7edbe7513543670c94f6b5efa74462fRomain GuyRegion& Region::xorSelf(const Region& rhs, int dx, int dy) { 369b8a2e98cd7edbe7513543670c94f6b5efa74462fRomain Guy return operationSelf(rhs, dx, dy, op_xor); 370b8a2e98cd7edbe7513543670c94f6b5efa74462fRomain Guy} 371edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source ProjectRegion& Region::andSelf(const Region& rhs, int dx, int dy) { 37220f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian return operationSelf(rhs, dx, dy, op_and); 373edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 374edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source ProjectRegion& Region::subtractSelf(const Region& rhs, int dx, int dy) { 37520f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian return operationSelf(rhs, dx, dy, op_nand); 37620f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian} 37720f68782a4ea71c6a977d7f87d8288d3daa265ecMathias AgopianRegion& Region::operationSelf(const Region& rhs, int dx, int dy, int op) { 37820f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian Region lhs(*this); 37920f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian boolean_operation(op, *this, lhs, rhs, dx, dy); 380edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return *this; 381edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 382edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 38320f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian// ---------------------------------------------------------------------------- 38420f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian 385bed9dd128dfbdc7d9dbca005078536dadc0b9359Mathias Agopianconst Region Region::merge(const Region& rhs, int dx, int dy) const { 38620f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian return operation(rhs, dx, dy, op_or); 387edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 388b8a2e98cd7edbe7513543670c94f6b5efa74462fRomain Guyconst Region Region::mergeExclusive(const Region& rhs, int dx, int dy) const { 389b8a2e98cd7edbe7513543670c94f6b5efa74462fRomain Guy return operation(rhs, dx, dy, op_xor); 390b8a2e98cd7edbe7513543670c94f6b5efa74462fRomain Guy} 391bed9dd128dfbdc7d9dbca005078536dadc0b9359Mathias Agopianconst Region Region::intersect(const Region& rhs, int dx, int dy) const { 39220f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian return operation(rhs, dx, dy, op_and); 393edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 394bed9dd128dfbdc7d9dbca005078536dadc0b9359Mathias Agopianconst Region Region::subtract(const Region& rhs, int dx, int dy) const { 39520f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian return operation(rhs, dx, dy, op_nand); 39620f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian} 397bed9dd128dfbdc7d9dbca005078536dadc0b9359Mathias Agopianconst Region Region::operation(const Region& rhs, int dx, int dy, int op) const { 398edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Region result; 39920f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian boolean_operation(op, result, *this, rhs, dx, dy); 400edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return result; 401edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 402edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 403edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// ---------------------------------------------------------------------------- 404edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 40520f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian// This is our region rasterizer, which merges rects and spans together 40620f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian// to obtain an optimal region. 40720f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopianclass Region::rasterizer : public region_operator<Rect>::region_rasterizer 40820f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian{ 4093ab68558fa5a4b8f792a54965a010f03385bd271Mathias Agopian Rect bounds; 41020f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian Vector<Rect>& storage; 41120f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian Rect* head; 41220f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian Rect* tail; 41320f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian Vector<Rect> span; 41420f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian Rect* cur; 41520f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopianpublic: 41620f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian rasterizer(Region& reg) 4173ab68558fa5a4b8f792a54965a010f03385bd271Mathias Agopian : bounds(INT_MAX, 0, INT_MIN, 0), storage(reg.mStorage), head(), tail(), cur() { 41820f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian storage.clear(); 41920f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian } 42020f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian 42120f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian ~rasterizer() { 42220f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian if (span.size()) { 42320f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian flushSpan(); 42420f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian } 42520f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian if (storage.size()) { 42620f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian bounds.top = storage.itemAt(0).top; 42720f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian bounds.bottom = storage.top().bottom; 42820f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian if (storage.size() == 1) { 42920f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian storage.clear(); 43020f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian } 43120f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian } else { 43220f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian bounds.left = 0; 43320f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian bounds.right = 0; 43420f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian } 4353ab68558fa5a4b8f792a54965a010f03385bd271Mathias Agopian storage.add(bounds); 43620f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian } 43720f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian 43820f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian virtual void operator()(const Rect& rect) { 4399d4536835248525f32f1504a3d28d5bbfa0a2910Steve Block //ALOGD(">>> %3d, %3d, %3d, %3d", 44020f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian // rect.left, rect.top, rect.right, rect.bottom); 44120f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian if (span.size()) { 44220f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian if (cur->top != rect.top) { 44320f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian flushSpan(); 44420f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian } else if (cur->right == rect.left) { 44520f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian cur->right = rect.right; 44620f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian return; 44720f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian } 44820f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian } 44920f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian span.add(rect); 45020f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian cur = span.editArray() + (span.size() - 1); 45120f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian } 45220f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopianprivate: 45320f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian template<typename T> 45420f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian static inline T min(T rhs, T lhs) { return rhs < lhs ? rhs : lhs; } 45520f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian template<typename T> 45620f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian static inline T max(T rhs, T lhs) { return rhs > lhs ? rhs : lhs; } 45720f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian void flushSpan() { 45820f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian bool merge = false; 45920f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian if (tail-head == ssize_t(span.size())) { 460b801624dc4f03c930ec35f406f07fa5fd8f65dd9Romain Guy Rect const* p = span.editArray(); 46120f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian Rect const* q = head; 46220f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian if (p->top == q->bottom) { 46320f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian merge = true; 46420f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian while (q != tail) { 46520f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian if ((p->left != q->left) || (p->right != q->right)) { 46620f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian merge = false; 46720f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian break; 46820f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian } 46920f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian p++, q++; 47020f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian } 47120f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian } 47220f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian } 47320f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian if (merge) { 47420f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian const int bottom = span[0].bottom; 47520f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian Rect* r = head; 47620f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian while (r != tail) { 47720f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian r->bottom = bottom; 47820f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian r++; 47920f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian } 48020f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian } else { 48120f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian bounds.left = min(span.itemAt(0).left, bounds.left); 48220f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian bounds.right = max(span.top().right, bounds.right); 48320f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian storage.appendVector(span); 48420f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian tail = storage.editArray() + storage.size(); 48520f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian head = tail - span.size(); 48620f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian } 48720f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian span.clear(); 48820f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian } 48920f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian}; 49020f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian 491068d47f29dfead847999a7b33b4217ee9514152bMathias Agopianbool Region::validate(const Region& reg, const char* name, bool silent) 492edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 49320f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian bool result = true; 49420f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian const_iterator cur = reg.begin(); 49520f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian const_iterator const tail = reg.end(); 496068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian const_iterator prev = cur; 49720f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian Rect b(*prev); 49820f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian while (cur != tail) { 499068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian if (cur->isValid() == false) { 500068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian ALOGE_IF(!silent, "%s: region contains an invalid Rect", name); 501068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian result = false; 502068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian } 503068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian if (cur->right > region_operator<Rect>::max_value) { 504068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian ALOGE_IF(!silent, "%s: rect->right > max_value", name); 505068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian result = false; 506068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian } 507068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian if (cur->bottom > region_operator<Rect>::max_value) { 508068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian ALOGE_IF(!silent, "%s: rect->right > max_value", name); 509068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian result = false; 510068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian } 511068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian if (prev != cur) { 512068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian b.left = b.left < cur->left ? b.left : cur->left; 513068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian b.top = b.top < cur->top ? b.top : cur->top; 514068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian b.right = b.right > cur->right ? b.right : cur->right; 515068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian b.bottom = b.bottom > cur->bottom ? b.bottom : cur->bottom; 516068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian if ((*prev < *cur) == false) { 517068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian ALOGE_IF(!silent, "%s: region's Rects not sorted", name); 51820f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian result = false; 519068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian } 520068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian if (cur->top == prev->top) { 521068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian if (cur->bottom != prev->bottom) { 522068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian ALOGE_IF(!silent, "%s: invalid span %p", name, cur); 523068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian result = false; 524068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian } else if (cur->left < prev->right) { 525068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian ALOGE_IF(!silent, 526068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian "%s: spans overlap horizontally prev=%p, cur=%p", 527068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian name, prev, cur); 528068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian result = false; 529068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian } 530068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian } else if (cur->top < prev->bottom) { 531068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian ALOGE_IF(!silent, 532068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian "%s: spans overlap vertically prev=%p, cur=%p", 53320f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian name, prev, cur); 53420f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian result = false; 53520f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian } 536068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian prev = cur; 53720f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian } 53820f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian cur++; 53920f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian } 54020f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian if (b != reg.getBounds()) { 54120f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian result = false; 542068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian ALOGE_IF(!silent, 543068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian "%s: invalid bounds [%d,%d,%d,%d] vs. [%d,%d,%d,%d]", name, 54420f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian b.left, b.top, b.right, b.bottom, 54520f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian reg.getBounds().left, reg.getBounds().top, 54620f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian reg.getBounds().right, reg.getBounds().bottom); 54720f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian } 5483ab68558fa5a4b8f792a54965a010f03385bd271Mathias Agopian if (reg.mStorage.size() == 2) { 549068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian result = false; 550068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian ALOGE_IF(!silent, "%s: mStorage size is 2, which is never valid", name); 5513ab68558fa5a4b8f792a54965a010f03385bd271Mathias Agopian } 552068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian if (result == false && !silent) { 55320f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian reg.dump(name); 554cab25d680e644d962041d05a319e485b96136a5dMathias Agopian CallStack stack(LOG_TAG); 55520f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian } 55620f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian return result; 557edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 558edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 55920f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopianvoid Region::boolean_operation(int op, Region& dst, 56020f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian const Region& lhs, 56120f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian const Region& rhs, int dx, int dy) 562edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 563d0b55c011a311b677493ba72804bf1bc4df68224Mathias Agopian#if VALIDATE_REGIONS 564d0b55c011a311b677493ba72804bf1bc4df68224Mathias Agopian validate(lhs, "boolean_operation (before): lhs"); 565d0b55c011a311b677493ba72804bf1bc4df68224Mathias Agopian validate(rhs, "boolean_operation (before): rhs"); 566d0b55c011a311b677493ba72804bf1bc4df68224Mathias Agopian validate(dst, "boolean_operation (before): dst"); 567d0b55c011a311b677493ba72804bf1bc4df68224Mathias Agopian#endif 568d0b55c011a311b677493ba72804bf1bc4df68224Mathias Agopian 56920f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian size_t lhs_count; 57020f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian Rect const * const lhs_rects = lhs.getArray(&lhs_count); 57120f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian 57220f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian size_t rhs_count; 57320f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian Rect const * const rhs_rects = rhs.getArray(&rhs_count); 57420f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian 57520f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian region_operator<Rect>::region lhs_region(lhs_rects, lhs_count); 57620f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian region_operator<Rect>::region rhs_region(rhs_rects, rhs_count, dx, dy); 57720f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian region_operator<Rect> operation(op, lhs_region, rhs_region); 57820f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian { // scope for rasterizer (dtor has side effects) 57920f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian rasterizer r(dst); 58020f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian operation(r); 58120f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian } 58220f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian 58320f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian#if VALIDATE_REGIONS 58420f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian validate(lhs, "boolean_operation: lhs"); 58520f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian validate(rhs, "boolean_operation: rhs"); 58620f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian validate(dst, "boolean_operation: dst"); 58720f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian#endif 58820f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian 58920f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian#if VALIDATE_WITH_CORECG 59020f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian SkRegion sk_lhs; 59120f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian SkRegion sk_rhs; 59220f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian SkRegion sk_dst; 59320f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian 59420f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian for (size_t i=0 ; i<lhs_count ; i++) 59520f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian sk_lhs.op( 59620f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian lhs_rects[i].left + dx, 59720f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian lhs_rects[i].top + dy, 59820f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian lhs_rects[i].right + dx, 59920f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian lhs_rects[i].bottom + dy, 60020f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian SkRegion::kUnion_Op); 60120f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian 60220f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian for (size_t i=0 ; i<rhs_count ; i++) 60320f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian sk_rhs.op( 60420f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian rhs_rects[i].left + dx, 60520f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian rhs_rects[i].top + dy, 60620f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian rhs_rects[i].right + dx, 60720f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian rhs_rects[i].bottom + dy, 60820f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian SkRegion::kUnion_Op); 60920f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian 61020f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian const char* name = "---"; 61120f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian SkRegion::Op sk_op; 61220f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian switch (op) { 61320f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian case op_or: sk_op = SkRegion::kUnion_Op; name="OR"; break; 614b8a2e98cd7edbe7513543670c94f6b5efa74462fRomain Guy case op_xor: sk_op = SkRegion::kUnion_XOR; name="XOR"; break; 61520f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian case op_and: sk_op = SkRegion::kIntersect_Op; name="AND"; break; 61620f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian case op_nand: sk_op = SkRegion::kDifference_Op; name="NAND"; break; 61720f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian } 61820f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian sk_dst.op(sk_lhs, sk_rhs, sk_op); 61920f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian 62020f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian if (sk_dst.isEmpty() && dst.isEmpty()) 62120f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian return; 62220f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian 62320f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian bool same = true; 62420f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian Region::const_iterator head = dst.begin(); 62520f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian Region::const_iterator const tail = dst.end(); 62620f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian SkRegion::Iterator it(sk_dst); 62720f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian while (!it.done()) { 62820f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian if (head != tail) { 62920f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian if ( 63020f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian head->left != it.rect().fLeft || 63120f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian head->top != it.rect().fTop || 63220f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian head->right != it.rect().fRight || 63320f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian head->bottom != it.rect().fBottom 63420f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian ) { 63520f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian same = false; 63620f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian break; 63720f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian } 63820f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian } else { 63920f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian same = false; 64020f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian break; 64120f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian } 64220f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian head++; 64320f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian it.next(); 64420f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian } 64520f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian 64620f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian if (head != tail) { 64720f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian same = false; 64820f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian } 64920f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian 65020f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian if(!same) { 6519d4536835248525f32f1504a3d28d5bbfa0a2910Steve Block ALOGD("---\nregion boolean %s failed", name); 65220f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian lhs.dump("lhs"); 65320f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian rhs.dump("rhs"); 65420f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian dst.dump("dst"); 6559d4536835248525f32f1504a3d28d5bbfa0a2910Steve Block ALOGD("should be"); 65620f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian SkRegion::Iterator it(sk_dst); 65720f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian while (!it.done()) { 6589d4536835248525f32f1504a3d28d5bbfa0a2910Steve Block ALOGD(" [%3d, %3d, %3d, %3d]", 65920f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian it.rect().fLeft, 66020f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian it.rect().fTop, 66120f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian it.rect().fRight, 66220f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian it.rect().fBottom); 66320f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian it.next(); 66420f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian } 66520f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian } 66620f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian#endif 667edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 668edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 66920f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopianvoid Region::boolean_operation(int op, Region& dst, 67020f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian const Region& lhs, 67120f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian const Rect& rhs, int dx, int dy) 67220f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian{ 6730450452e8c6ea48341d57d8bc51d56252e9806b8Mathias Agopian if (!rhs.isValid()) { 674e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("Region::boolean_operation(op=%d) invalid Rect={%d,%d,%d,%d}", 6750450452e8c6ea48341d57d8bc51d56252e9806b8Mathias Agopian op, rhs.left, rhs.top, rhs.right, rhs.bottom); 6760857c8f7f1905008b285a5473c906639fdd0288bMathias Agopian return; 6770450452e8c6ea48341d57d8bc51d56252e9806b8Mathias Agopian } 6780450452e8c6ea48341d57d8bc51d56252e9806b8Mathias Agopian 67920f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian#if VALIDATE_WITH_CORECG || VALIDATE_REGIONS 68020f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian boolean_operation(op, dst, lhs, Region(rhs), dx, dy); 68120f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian#else 68220f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian size_t lhs_count; 68320f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian Rect const * const lhs_rects = lhs.getArray(&lhs_count); 68420f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian 68520f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian region_operator<Rect>::region lhs_region(lhs_rects, lhs_count); 68620f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian region_operator<Rect>::region rhs_region(&rhs, 1, dx, dy); 68720f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian region_operator<Rect> operation(op, lhs_region, rhs_region); 68820f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian { // scope for rasterizer (dtor has side effects) 68920f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian rasterizer r(dst); 69020f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian operation(r); 69120f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian } 692edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 69320f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian#endif 69420f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian} 69520f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian 69620f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopianvoid Region::boolean_operation(int op, Region& dst, 69720f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian const Region& lhs, const Region& rhs) 69820f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian{ 69920f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian boolean_operation(op, dst, lhs, rhs, 0, 0); 70020f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian} 70120f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian 70220f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopianvoid Region::boolean_operation(int op, Region& dst, 70320f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian const Region& lhs, const Rect& rhs) 70420f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian{ 70520f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian boolean_operation(op, dst, lhs, rhs, 0, 0); 70620f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian} 70720f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian 70820f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopianvoid Region::translate(Region& reg, int dx, int dy) 70920f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian{ 7104c0a170585d5c8a1f3508ac55f799ebaf86e91dbMathias Agopian if ((dx || dy) && !reg.isEmpty()) { 71120f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian#if VALIDATE_REGIONS 71220f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian validate(reg, "translate (before)"); 71320f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian#endif 71420f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian size_t count = reg.mStorage.size(); 71520f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian Rect* rects = reg.mStorage.editArray(); 71620f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian while (count) { 7176c7f25afb75ac155bad0b3bc17c0089d0337d060Mathias Agopian rects->offsetBy(dx, dy); 71820f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian rects++; 71920f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian count--; 72020f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian } 72120f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian#if VALIDATE_REGIONS 72220f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian validate(reg, "translate (after)"); 72320f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian#endif 72420f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian } 72520f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian} 72620f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian 72720f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopianvoid Region::translate(Region& dst, const Region& reg, int dx, int dy) 72820f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian{ 72920f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian dst = reg; 73020f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian translate(dst, dx, dy); 73120f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian} 73220f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian 73320f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian// ---------------------------------------------------------------------------- 734edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 735e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopiansize_t Region::getFlattenedSize() const { 7363ab68558fa5a4b8f792a54965a010f03385bd271Mathias Agopian return mStorage.size() * sizeof(Rect); 737edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 738edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 739e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopianstatus_t Region::flatten(void* buffer, size_t size) const { 740068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian#if VALIDATE_REGIONS 741068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian validate(*this, "Region::flatten"); 742068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian#endif 743e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian if (size < mStorage.size() * sizeof(Rect)) { 744e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian return NO_MEMORY; 745e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian } 7468683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian Rect* rects = reinterpret_cast<Rect*>(buffer); 7478683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian memcpy(rects, mStorage.array(), mStorage.size() * sizeof(Rect)); 7488683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian return NO_ERROR; 749edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 750edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 7518683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopianstatus_t Region::unflatten(void const* buffer, size_t size) { 752068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian Region result; 7538683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian if (size >= sizeof(Rect)) { 7548683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian Rect const* rects = reinterpret_cast<Rect const*>(buffer); 7558683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian size_t count = size / sizeof(Rect); 7568683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian if (count > 0) { 757068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian result.mStorage.clear(); 758068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian ssize_t err = result.mStorage.insertAt(0, count); 7598683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian if (err < 0) { 7608683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian return status_t(err); 7618683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian } 762068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian memcpy(result.mStorage.editArray(), rects, count*sizeof(Rect)); 7638683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian } 7648683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian } 7653ab68558fa5a4b8f792a54965a010f03385bd271Mathias Agopian#if VALIDATE_REGIONS 766068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian validate(result, "Region::unflatten"); 7673ab68558fa5a4b8f792a54965a010f03385bd271Mathias Agopian#endif 768068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian 769068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian if (!result.validate(result, "Region::unflatten", true)) { 770068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian ALOGE("Region::unflatten() failed, invalid region"); 771068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian return BAD_VALUE; 772068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian } 773068d47f29dfead847999a7b33b4217ee9514152bMathias Agopian mStorage = result.mStorage; 7748683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian return NO_ERROR; 77520f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian} 77620f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian 77720f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian// ---------------------------------------------------------------------------- 77820f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian 77920f68782a4ea71c6a977d7f87d8288d3daa265ecMathias AgopianRegion::const_iterator Region::begin() const { 7803ab68558fa5a4b8f792a54965a010f03385bd271Mathias Agopian return mStorage.array(); 78120f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian} 78220f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian 78320f68782a4ea71c6a977d7f87d8288d3daa265ecMathias AgopianRegion::const_iterator Region::end() const { 7843ab68558fa5a4b8f792a54965a010f03385bd271Mathias Agopian size_t numRects = isRect() ? 1 : mStorage.size() - 1; 7853ab68558fa5a4b8f792a54965a010f03385bd271Mathias Agopian return mStorage.array() + numRects; 78620f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian} 78720f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian 78820f68782a4ea71c6a977d7f87d8288d3daa265ecMathias AgopianRect const* Region::getArray(size_t* count) const { 78920f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian const_iterator const b(begin()); 79020f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian const_iterator const e(end()); 79120f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian if (count) *count = e-b; 79220f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian return b; 793edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 794edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 7952401ead70099c982796ecc3ec63ec8a5570948fcMathias AgopianSharedBuffer const* Region::getSharedBuffer(size_t* count) const { 7962401ead70099c982796ecc3ec63ec8a5570948fcMathias Agopian // We can get to the SharedBuffer of a Vector<Rect> because Rect has 7972401ead70099c982796ecc3ec63ec8a5570948fcMathias Agopian // a trivial destructor. 7982401ead70099c982796ecc3ec63ec8a5570948fcMathias Agopian SharedBuffer const* sb = SharedBuffer::bufferFromData(mStorage.array()); 7992401ead70099c982796ecc3ec63ec8a5570948fcMathias Agopian if (count) { 8002401ead70099c982796ecc3ec63ec8a5570948fcMathias Agopian size_t numRects = isRect() ? 1 : mStorage.size() - 1; 8012401ead70099c982796ecc3ec63ec8a5570948fcMathias Agopian count[0] = numRects; 8022401ead70099c982796ecc3ec63ec8a5570948fcMathias Agopian } 8032401ead70099c982796ecc3ec63ec8a5570948fcMathias Agopian sb->acquire(); 8042401ead70099c982796ecc3ec63ec8a5570948fcMathias Agopian return sb; 8052401ead70099c982796ecc3ec63ec8a5570948fcMathias Agopian} 8062401ead70099c982796ecc3ec63ec8a5570948fcMathias Agopian 80720f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian// ---------------------------------------------------------------------------- 80820f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian 809edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid Region::dump(String8& out, const char* what, uint32_t flags) const 810edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 811edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project (void)flags; 81220f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian const_iterator head = begin(); 81320f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian const_iterator const tail = end(); 81420f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian 815edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project size_t SIZE = 256; 816edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project char buffer[SIZE]; 81720f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian 81892dc3fc52cf097bd105460cf377779bdcf146d62Mark Salyzyn snprintf(buffer, SIZE, " Region %s (this=%p, count=%" PRIdPTR ")\n", 81920f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian what, this, tail-head); 820edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out.append(buffer); 82120f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian while (head != tail) { 822edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project snprintf(buffer, SIZE, " [%3d, %3d, %3d, %3d]\n", 82320f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian head->left, head->top, head->right, head->bottom); 824edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out.append(buffer); 82520f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian head++; 826edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 827edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 828edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 829edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid Region::dump(const char* what, uint32_t flags) const 830edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 831edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project (void)flags; 83220f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian const_iterator head = begin(); 83320f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian const_iterator const tail = end(); 83492dc3fc52cf097bd105460cf377779bdcf146d62Mark Salyzyn ALOGD(" Region %s (this=%p, count=%" PRIdPTR ")\n", what, this, tail-head); 83520f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian while (head != tail) { 8369d4536835248525f32f1504a3d28d5bbfa0a2910Steve Block ALOGD(" [%3d, %3d, %3d, %3d]\n", 83720f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian head->left, head->top, head->right, head->bottom); 83820f68782a4ea71c6a977d7f87d8288d3daa265ecMathias Agopian head++; 839edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 840edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 841edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 842edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// ---------------------------------------------------------------------------- 843edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 844edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project}; // namespace android 845