SkiaCanvas.cpp revision 44dc270830758d5b0f5b099e7c0e308bdf027dfb
18872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger/* 28872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger * Copyright (C) 2014 The Android Open Source Project 38872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger * 48872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger * Licensed under the Apache License, Version 2.0 (the "License"); 58872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger * you may not use this file except in compliance with the License. 68872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger * You may obtain a copy of the License at 78872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger * 88872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger * http://www.apache.org/licenses/LICENSE-2.0 98872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger * 108872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger * Unless required by applicable law or agreed to in writing, software 118872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger * distributed under the License is distributed on an "AS IS" BASIS, 128872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 138872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger * See the License for the specific language governing permissions and 148872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger * limitations under the License. 158872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger */ 168872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 17c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger#include "SkiaCanvas.h" 18c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger 196f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger#include "CanvasProperty.h" 207de73858975fc4dbccfa1c188f6d1a12d39ce2c5Matt Sarett#include "NinePatchUtils.h" 21c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger#include "VectorDrawable.h" 22aed7f58fb05a25ce2112829e77c0eb5dd268e8a7sergeyv#include "hwui/Bitmap.h" 23afc221499d943386256feb9db46c119ff834bf79Yuqian Li#include "hwui/MinikinUtils.h" 24021693b967a2c5556dddd183eb0247df4079e1adStan Iliev#include "pipeline/skia/AnimatedDrawables.h" 258872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2644dc270830758d5b0f5b099e7c0e308bdf027dfbMatt Sarett#include <SkCanvasStateUtils.h> 27ea70d22dc8dc5d61f075edf6d03f86f6a68169cdMatt Sarett#include <SkColorSpaceXformCanvas.h> 286f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger#include <SkDrawable.h> 29849911a9c4315fc552faa38516c842b2541b1909John Reck#include <SkDeque.h> 30849911a9c4315fc552faa38516c842b2541b1909John Reck#include <SkDrawFilter.h> 31849911a9c4315fc552faa38516c842b2541b1909John Reck#include <SkGraphics.h> 326f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger#include <SkImage.h> 3362feb3a0b4690144a067080ab17beae160ea6320Matt Sarett#include <SkImagePriv.h> 34afc221499d943386256feb9db46c119ff834bf79Yuqian Li#include <SkRSXform.h> 35849911a9c4315fc552faa38516c842b2541b1909John Reck#include <SkShader.h> 36849911a9c4315fc552faa38516c842b2541b1909John Reck#include <SkTemplates.h> 37f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev#include <SkTextBlob.h> 388872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3960126efd7d905ca24822765c6dafac17fef278abBen Wagner#include <memory> 4060126efd7d905ca24822765c6dafac17fef278abBen Wagner 418872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergernamespace android { 428872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 43f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Ilievusing uirenderer::PaintUtils; 44f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 45c1b33d665c8caf5760f68c45c6ca0baa649b832aJohn ReckCanvas* Canvas::create_canvas(const SkBitmap& bitmap) { 468872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return new SkiaCanvas(bitmap); 478872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 488872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 49ea70d22dc8dc5d61f075edf6d03f86f6a68169cdMatt SarettCanvas* Canvas::create_canvas(SkCanvas* skiaCanvas, XformToSRGB xformToSRGB) { 50ea70d22dc8dc5d61f075edf6d03f86f6a68169cdMatt Sarett return new SkiaCanvas(skiaCanvas, xformToSRGB); 518872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 528872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 53f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan IlievSkiaCanvas::SkiaCanvas() {} 54f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 55ea70d22dc8dc5d61f075edf6d03f86f6a68169cdMatt SarettSkiaCanvas::SkiaCanvas(SkCanvas* canvas, XformToSRGB xformToSRGB) 56ea70d22dc8dc5d61f075edf6d03f86f6a68169cdMatt Sarett : mCanvas(canvas) 57ea70d22dc8dc5d61f075edf6d03f86f6a68169cdMatt Sarett{ 58ea70d22dc8dc5d61f075edf6d03f86f6a68169cdMatt Sarett LOG_ALWAYS_FATAL_IF(XformToSRGB::kImmediate == xformToSRGB); 59ea70d22dc8dc5d61f075edf6d03f86f6a68169cdMatt Sarett} 60f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 61c1b33d665c8caf5760f68c45c6ca0baa649b832aJohn ReckSkiaCanvas::SkiaCanvas(const SkBitmap& bitmap) { 628242656f495847c50c9ceaea92839dce78218a75Romain Guy sk_sp<SkColorSpace> cs = bitmap.refColorSpace(); 636acfe16b5650446dbdcce3bd779b52fb6533a41eMike Reed mCanvasOwned = std::unique_ptr<SkCanvas>(new SkCanvas(bitmap)); 648242656f495847c50c9ceaea92839dce78218a75Romain Guy mCanvasWrapper = SkCreateColorSpaceXformCanvas(mCanvasOwned.get(), 658242656f495847c50c9ceaea92839dce78218a75Romain Guy cs == nullptr ? SkColorSpace::MakeSRGB() : std::move(cs)); 66ea70d22dc8dc5d61f075edf6d03f86f6a68169cdMatt Sarett mCanvas = mCanvasWrapper.get(); 678872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 688872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 69021693b967a2c5556dddd183eb0247df4079e1adStan IlievSkiaCanvas::~SkiaCanvas() {} 70021693b967a2c5556dddd183eb0247df4079e1adStan Iliev 71c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenbergervoid SkiaCanvas::reset(SkCanvas* skiaCanvas) { 726acfe16b5650446dbdcce3bd779b52fb6533a41eMike Reed if (mCanvas != skiaCanvas) { 736acfe16b5650446dbdcce3bd779b52fb6533a41eMike Reed mCanvas = skiaCanvas; 746acfe16b5650446dbdcce3bd779b52fb6533a41eMike Reed mCanvasOwned.reset(); 756acfe16b5650446dbdcce3bd779b52fb6533a41eMike Reed } 76c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger mSaveStack.reset(nullptr); 77c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger mHighContrastText = false; 78c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger} 79c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger 808872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 818872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas state operations: Replace Bitmap 828872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 838872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 84c1b33d665c8caf5760f68c45c6ca0baa649b832aJohn Reckvoid SkiaCanvas::setBitmap(const SkBitmap& bitmap) { 858242656f495847c50c9ceaea92839dce78218a75Romain Guy sk_sp<SkColorSpace> cs = bitmap.refColorSpace(); 86ea70d22dc8dc5d61f075edf6d03f86f6a68169cdMatt Sarett std::unique_ptr<SkCanvas> newCanvas = std::unique_ptr<SkCanvas>(new SkCanvas(bitmap)); 878242656f495847c50c9ceaea92839dce78218a75Romain Guy std::unique_ptr<SkCanvas> newCanvasWrapper = SkCreateColorSpaceXformCanvas(newCanvas.get(), 888242656f495847c50c9ceaea92839dce78218a75Romain Guy cs == nullptr ? SkColorSpace::MakeSRGB() : std::move(cs)); 894f641d1e4586b027969052cc0ad6b65c1158e72eTony Mantler 904f641d1e4586b027969052cc0ad6b65c1158e72eTony Mantler // deletes the previously owned canvas (if any) 91ea70d22dc8dc5d61f075edf6d03f86f6a68169cdMatt Sarett mCanvasOwned = std::move(newCanvas); 92ea70d22dc8dc5d61f075edf6d03f86f6a68169cdMatt Sarett mCanvasWrapper = std::move(newCanvasWrapper); 93ea70d22dc8dc5d61f075edf6d03f86f6a68169cdMatt Sarett mCanvas = mCanvasWrapper.get(); 944f641d1e4586b027969052cc0ad6b65c1158e72eTony Mantler 958872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // clean up the old save stack 96f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev mSaveStack.reset(nullptr); 978872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 988872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 998872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 1008872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas state operations 1018872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 1028872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1038872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerbool SkiaCanvas::isOpaque() { 104f35b989d26bb98900f6c5fa2e586326b30b6e161Leon Scroggins III return mCanvas->imageInfo().isOpaque(); 1058872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1068872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1078872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerint SkiaCanvas::width() { 108f35b989d26bb98900f6c5fa2e586326b30b6e161Leon Scroggins III return mCanvas->imageInfo().width(); 1098872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1108872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1118872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerint SkiaCanvas::height() { 112f35b989d26bb98900f6c5fa2e586326b30b6e161Leon Scroggins III return mCanvas->imageInfo().height(); 1138872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1148872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1158872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 1168872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas state operations: Save (layer) 1178872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 1188872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1198872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerint SkiaCanvas::getSaveCount() const { 1208872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return mCanvas->getSaveCount(); 1218872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1228872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 123eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malitaint SkiaCanvas::save(SaveFlags::Flags flags) { 1248872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger int count = mCanvas->save(); 1258872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger recordPartialSave(flags); 1268872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return count; 1278872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1288872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1295e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita// The SkiaCanvas::restore operation layers on the capability to preserve 1305e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita// either (or both) the matrix and/or clip state after a SkCanvas::restore 1315e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita// operation. It does this by explicitly saving off the clip & matrix state 1325e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita// when requested and playing it back after the SkCanvas::restore. 1338872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::restore() { 134f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev const auto* rec = this->currentSaveRec(); 135f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (!rec) { 1368872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // Fast path - no record for this frame. 1378872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->restore(); 1388872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return; 1398872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 1408872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 141eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita bool preserveMatrix = !(rec->saveFlags & SaveFlags::Matrix); 142eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita bool preserveClip = !(rec->saveFlags & SaveFlags::Clip); 1438872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1448872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkMatrix savedMatrix; 1458872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (preserveMatrix) { 1468872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger savedMatrix = mCanvas->getTotalMatrix(); 1478872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 1488872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 149f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev const size_t clipIndex = rec->clipIndex; 1508872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1518872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->restore(); 152f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev mSaveStack->pop_back(); 1538872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1548872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (preserveMatrix) { 1558872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->setMatrix(savedMatrix); 1568872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 1578872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 158f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (preserveClip) { 159f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev this->applyPersistentClips(clipIndex); 1608872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 1618872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1628872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1638872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::restoreToCount(int restoreCount) { 1648872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger while (mCanvas->getSaveCount() > restoreCount) { 1658872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger this->restore(); 1668872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 1678872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1688872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 169eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malitastatic inline SkCanvas::SaveLayerFlags layerFlags(SaveFlags::Flags flags) { 170eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita SkCanvas::SaveLayerFlags layerFlags = 0; 171eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita 17283427ff2224c89cc1a590ea609206c95c8ee039eYuqian Li // We intentionally ignore the SaveFlags::HasAlphaLayer and 17383427ff2224c89cc1a590ea609206c95c8ee039eYuqian Li // SkCanvas::kIsOpaque_SaveLayerFlag flags because HWUI ignores it 17483427ff2224c89cc1a590ea609206c95c8ee039eYuqian Li // and our Android client may use it incorrectly. 17583427ff2224c89cc1a590ea609206c95c8ee039eYuqian Li // In Skia, this flag is purely for performance optimization. 176eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita 177eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita if (!(flags & SaveFlags::ClipToLayer)) { 178eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita layerFlags |= SkCanvas::kDontClipToLayer_Legacy_SaveLayerFlag; 179eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita } 180eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita 181eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita return layerFlags; 182eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita} 183eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita 1848872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerint SkiaCanvas::saveLayer(float left, float top, float right, float bottom, 185eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita const SkPaint* paint, SaveFlags::Flags flags) { 186eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita const SkRect bounds = SkRect::MakeLTRB(left, top, right, bottom); 187b8201195dfb2bae05faaf91b9b3d065e2f199929Derek Sollenberger const SkCanvas::SaveLayerRec rec(&bounds, paint, layerFlags(flags)); 188eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita 18968885e38b86405b333e3f8fd4ff0a104889147c4Stan Iliev return mCanvas->saveLayer(rec); 1908872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1918872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1928872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerint SkiaCanvas::saveLayerAlpha(float left, float top, float right, float bottom, 193eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita int alpha, SaveFlags::Flags flags) { 194eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita if (static_cast<unsigned>(alpha) < 0xFF) { 195fd92ee4b731bee39f8b100cd138fb491de9d66eeYuqian Li SkPaint alphaPaint; 196fd92ee4b731bee39f8b100cd138fb491de9d66eeYuqian Li alphaPaint.setAlpha(alpha); 197fd92ee4b731bee39f8b100cd138fb491de9d66eeYuqian Li return this->saveLayer(left, top, right, bottom, &alphaPaint, flags); 198eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita } 199fd92ee4b731bee39f8b100cd138fb491de9d66eeYuqian Li return this->saveLayer(left, top, right, bottom, nullptr, flags); 2008872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2018872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 202f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Ilievclass SkiaCanvas::Clip { 203f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Ilievpublic: 2046e49c9f007c879f05b035c40c0ba543c00f9d0d0Mike Reed Clip(const SkRect& rect, SkClipOp op, const SkMatrix& m) 205f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev : mType(Type::Rect), mOp(op), mMatrix(m), mRRect(SkRRect::MakeRect(rect)) {} 2066e49c9f007c879f05b035c40c0ba543c00f9d0d0Mike Reed Clip(const SkRRect& rrect, SkClipOp op, const SkMatrix& m) 207f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev : mType(Type::RRect), mOp(op), mMatrix(m), mRRect(rrect) {} 2086e49c9f007c879f05b035c40c0ba543c00f9d0d0Mike Reed Clip(const SkPath& path, SkClipOp op, const SkMatrix& m) 209f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev : mType(Type::Path), mOp(op), mMatrix(m), mPath(&path) {} 210f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 211f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev void apply(SkCanvas* canvas) const { 212f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev canvas->setMatrix(mMatrix); 213f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev switch (mType) { 214f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev case Type::Rect: 215f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev canvas->clipRect(mRRect.rect(), mOp); 216f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev break; 217f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev case Type::RRect: 218f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev canvas->clipRRect(mRRect, mOp); 219f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev break; 220f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev case Type::Path: 221f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev canvas->clipPath(*mPath.get(), mOp); 222f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev break; 223f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev } 224f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev } 225f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 226f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Ilievprivate: 227f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev enum class Type { 228f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev Rect, 229f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev RRect, 230f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev Path, 231f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev }; 232f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 2336e49c9f007c879f05b035c40c0ba543c00f9d0d0Mike Reed Type mType; 2346e49c9f007c879f05b035c40c0ba543c00f9d0d0Mike Reed SkClipOp mOp; 2356e49c9f007c879f05b035c40c0ba543c00f9d0d0Mike Reed SkMatrix mMatrix; 236f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 237f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // These are logically a union (tracked separately due to non-POD path). 238f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkTLazy<SkPath> mPath; 239f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkRRect mRRect; 240f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev}; 241f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 242f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Ilievconst SkiaCanvas::SaveRec* SkiaCanvas::currentSaveRec() const { 243f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev const SaveRec* rec = mSaveStack 244f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev ? static_cast<const SaveRec*>(mSaveStack->back()) 245f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev : nullptr; 246f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev int currentSaveCount = mCanvas->getSaveCount(); 247f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkASSERT(!rec || currentSaveCount >= rec->saveCount); 248f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 249f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev return (rec && rec->saveCount == currentSaveCount) ? rec : nullptr; 250f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev} 251f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 2528872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 2538872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// functions to emulate legacy SaveFlags (i.e. independent matrix/clip flags) 2548872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 2558872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 256eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malitavoid SkiaCanvas::recordPartialSave(SaveFlags::Flags flags) { 2578872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // A partial save is a save operation which doesn't capture the full canvas state. 258eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita // (either SaveFlags::Matrix or SaveFlags::Clip is missing). 2598872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2608872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // Mask-out non canvas state bits. 261eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita flags &= SaveFlags::MatrixClip; 2628872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 263eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita if (flags == SaveFlags::MatrixClip) { 2648872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // not a partial save. 2658872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return; 2668872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 2678872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 268f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (!mSaveStack) { 269d1cbc1608906302130158acc4c72c82c89b49e10Ben Wagner mSaveStack.reset(new SkDeque(sizeof(struct SaveRec), 8)); 2708872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 2718872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2728872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SaveRec* rec = static_cast<SaveRec*>(mSaveStack->push_back()); 2735e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita rec->saveCount = mCanvas->getSaveCount(); 2748872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger rec->saveFlags = flags; 275f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev rec->clipIndex = mClipStack.size(); 2768872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2778872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 278f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Ilievtemplate <typename T> 2796e49c9f007c879f05b035c40c0ba543c00f9d0d0Mike Reedvoid SkiaCanvas::recordClip(const T& clip, SkClipOp op) { 280f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // Only need tracking when in a partial save frame which 281f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // doesn't restore the clip. 282f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev const SaveRec* rec = this->currentSaveRec(); 283f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (rec && !(rec->saveFlags & SaveFlags::Clip)) { 284f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev mClipStack.emplace_back(clip, op, mCanvas->getTotalMatrix()); 2858872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 2868872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2878872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 288f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev// Applies and optionally removes all clips >= index. 289f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Ilievvoid SkiaCanvas::applyPersistentClips(size_t clipStartIndex) { 290f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkASSERT(clipStartIndex <= mClipStack.size()); 291f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev const auto begin = mClipStack.cbegin() + clipStartIndex; 292f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev const auto end = mClipStack.cend(); 2938872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 294f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // Clip application mutates the CTM. 295f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev const SkMatrix saveMatrix = mCanvas->getTotalMatrix(); 2968872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 297f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev for (auto clip = begin; clip != end; ++clip) { 2986acfe16b5650446dbdcce3bd779b52fb6533a41eMike Reed clip->apply(mCanvas); 2998872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3008872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 301f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev mCanvas->setMatrix(saveMatrix); 302f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 303f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // If the current/post-restore save rec is also persisting clips, we 304f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // leave them on the stack to be reapplied part of the next restore(). 305f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // Otherwise we're done and just pop them. 306f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev const auto* rec = this->currentSaveRec(); 307f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (!rec || (rec->saveFlags & SaveFlags::Clip)) { 308f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev mClipStack.erase(begin, end); 309f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev } 3108872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3118872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3128872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 3138872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas state operations: Matrix 3148872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 3158872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3168872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::getMatrix(SkMatrix* outMatrix) const { 3178872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *outMatrix = mCanvas->getTotalMatrix(); 3188872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3198872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3208872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::setMatrix(const SkMatrix& matrix) { 3218872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->setMatrix(matrix); 3228872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3238872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3248872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::concat(const SkMatrix& matrix) { 3258872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->concat(matrix); 3268872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3278872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3288872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::rotate(float degrees) { 3298872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->rotate(degrees); 3308872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3318872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3328872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::scale(float sx, float sy) { 3338872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->scale(sx, sy); 3348872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3358872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3368872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::skew(float sx, float sy) { 3378872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->skew(sx, sy); 3388872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3398872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3408872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::translate(float dx, float dy) { 3418872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->translate(dx, dy); 3428872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3438872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3448872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 3458872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas state operations: Clips 3468872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 3478872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3488872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// This function is a mirror of SkCanvas::getClipBounds except that it does 3498872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// not outset the edge of the clip to account for anti-aliasing. There is 3508872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// a skia bug to investigate pushing this logic into back into skia. 3518872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// (see https://code.google.com/p/skia/issues/detail?id=1303) 3528872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerbool SkiaCanvas::getClipBounds(SkRect* outRect) const { 3538872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkIRect ibounds; 3545e4389823191aafff7422561f134dbdb391e0a2dMike Reed if (!mCanvas->getDeviceClipBounds(&ibounds)) { 3558872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return false; 3568872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3578872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3588872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkMatrix inverse; 3598872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // if we can't invert the CTM, we can't return local clip bounds 3608872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (!mCanvas->getTotalMatrix().invert(&inverse)) { 3618872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (outRect) { 3628872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger outRect->setEmpty(); 3638872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3648872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return false; 3658872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3668872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3678872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (NULL != outRect) { 3688872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect r = SkRect::Make(ibounds); 3698872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger inverse.mapRect(outRect, r); 3708872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3718872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return true; 3728872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3738872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3748872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerbool SkiaCanvas::quickRejectRect(float left, float top, float right, float bottom) const { 3758872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect bounds = SkRect::MakeLTRB(left, top, right, bottom); 3768872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return mCanvas->quickReject(bounds); 3778872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3788872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3798872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerbool SkiaCanvas::quickRejectPath(const SkPath& path) const { 3808872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return mCanvas->quickReject(path); 3818872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3828872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3836e49c9f007c879f05b035c40c0ba543c00f9d0d0Mike Reedbool SkiaCanvas::clipRect(float left, float top, float right, float bottom, SkClipOp op) { 3848872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 385f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev this->recordClip(rect, op); 3868872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->clipRect(rect, op); 3875ec6a2878b2ad933c5da6fe2341c854155acc24cChris Craik return !mCanvas->isClipEmpty(); 3888872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3898872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3906e49c9f007c879f05b035c40c0ba543c00f9d0d0Mike Reedbool SkiaCanvas::clipPath(const SkPath* path, SkClipOp op) { 391c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger SkRRect roundRect; 392c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger if (path->isRRect(&roundRect)) { 393f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev this->recordClip(roundRect, op); 394c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger mCanvas->clipRRect(roundRect, op); 395c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger } else { 396f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev this->recordClip(*path, op); 397c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger mCanvas->clipPath(*path, op); 398c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger } 3995ec6a2878b2ad933c5da6fe2341c854155acc24cChris Craik return !mCanvas->isClipEmpty(); 4008872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4018872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4028872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 4038872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas state operations: Filters 4048872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 4058872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 406acb4099deff72c2c631f7110a405a3331d3e8b27Derek SollenbergerSkDrawFilter* SkiaCanvas::getDrawFilter() { 407acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger return mCanvas->getDrawFilter(); 408acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger} 409acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger 4108872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::setDrawFilter(SkDrawFilter* drawFilter) { 4118872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->setDrawFilter(drawFilter); 4128872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4138872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4148872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 41544dc270830758d5b0f5b099e7c0e308bdf027dfbMatt Sarett// Canvas state operations: Capture 41644dc270830758d5b0f5b099e7c0e308bdf027dfbMatt Sarett// ---------------------------------------------------------------------------- 41744dc270830758d5b0f5b099e7c0e308bdf027dfbMatt Sarett 41844dc270830758d5b0f5b099e7c0e308bdf027dfbMatt SarettSkCanvasState* SkiaCanvas::captureCanvasState() const { 41944dc270830758d5b0f5b099e7c0e308bdf027dfbMatt Sarett SkCanvas* canvas = mCanvas; 42044dc270830758d5b0f5b099e7c0e308bdf027dfbMatt Sarett if (mCanvasOwned) { 42144dc270830758d5b0f5b099e7c0e308bdf027dfbMatt Sarett // Important to use the underlying SkCanvas, not the wrapper. 42244dc270830758d5b0f5b099e7c0e308bdf027dfbMatt Sarett canvas = mCanvasOwned.get(); 42344dc270830758d5b0f5b099e7c0e308bdf027dfbMatt Sarett } 42444dc270830758d5b0f5b099e7c0e308bdf027dfbMatt Sarett 42544dc270830758d5b0f5b099e7c0e308bdf027dfbMatt Sarett // Workarounds for http://crbug.com/271096: SW draw only supports 42644dc270830758d5b0f5b099e7c0e308bdf027dfbMatt Sarett // translate & scale transforms, and a simple rectangular clip. 42744dc270830758d5b0f5b099e7c0e308bdf027dfbMatt Sarett // (This also avoids significant wasted time in calling 42844dc270830758d5b0f5b099e7c0e308bdf027dfbMatt Sarett // SkCanvasStateUtils::CaptureCanvasState when the clip is complex). 42944dc270830758d5b0f5b099e7c0e308bdf027dfbMatt Sarett if (!canvas->isClipRect() || 43044dc270830758d5b0f5b099e7c0e308bdf027dfbMatt Sarett (canvas->getTotalMatrix().getType() & 43144dc270830758d5b0f5b099e7c0e308bdf027dfbMatt Sarett ~(SkMatrix::kTranslate_Mask | SkMatrix::kScale_Mask))) { 43244dc270830758d5b0f5b099e7c0e308bdf027dfbMatt Sarett return nullptr; 43344dc270830758d5b0f5b099e7c0e308bdf027dfbMatt Sarett } 43444dc270830758d5b0f5b099e7c0e308bdf027dfbMatt Sarett 43544dc270830758d5b0f5b099e7c0e308bdf027dfbMatt Sarett return SkCanvasStateUtils::CaptureCanvasState(canvas); 43644dc270830758d5b0f5b099e7c0e308bdf027dfbMatt Sarett} 43744dc270830758d5b0f5b099e7c0e308bdf027dfbMatt Sarett 43844dc270830758d5b0f5b099e7c0e308bdf027dfbMatt Sarett// ---------------------------------------------------------------------------- 4398872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas draw operations 4408872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 4418872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 442260ab726486317496bc12a57d599ea96dcde3284Mike Reedvoid SkiaCanvas::drawColor(int color, SkBlendMode mode) { 4438872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawColor(color, mode); 4448872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4458872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 446acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawPaint(const SkPaint& paint) { 4478872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawPaint(paint); 4488872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4498872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4508872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 4518872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas draw operations: Geometry 4528872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 4538872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 454acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawPoints(const float* points, int count, const SkPaint& paint, 4558872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkCanvas::PointMode mode) { 456792fb3252f6460acfd82c4e5d7536ca6b787a0e0Derek Sollenberger if (CC_UNLIKELY(count < 2 || paint.nothingToDraw())) return; 4578872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // convert the floats into SkPoints 4588872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger count >>= 1; // now it is the number of points 4596bbf68d05a9deb335fc693b4a64651aea1b4e9e0Ben Wagner std::unique_ptr<SkPoint[]> pts(new SkPoint[count]); 4608872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int i = 0; i < count; i++) { 4618872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger pts[i].set(points[0], points[1]); 4628872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger points += 2; 4638872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 4646bbf68d05a9deb335fc693b4a64651aea1b4e9e0Ben Wagner mCanvas->drawPoints(mode, count, pts.get(), paint); 4658872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4668872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4678872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 468acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawPoint(float x, float y, const SkPaint& paint) { 4698872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawPoint(x, y, paint); 4708872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4718872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 472acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawPoints(const float* points, int count, const SkPaint& paint) { 4738872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger this->drawPoints(points, count, paint, SkCanvas::kPoints_PointMode); 4748872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4758872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4768872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::drawLine(float startX, float startY, float stopX, float stopY, 477acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger const SkPaint& paint) { 4788872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawLine(startX, startY, stopX, stopY, paint); 4798872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4808872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 481acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawLines(const float* points, int count, const SkPaint& paint) { 482792fb3252f6460acfd82c4e5d7536ca6b787a0e0Derek Sollenberger if (CC_UNLIKELY(count < 4 || paint.nothingToDraw())) return; 4838872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger this->drawPoints(points, count, paint, SkCanvas::kLines_PointMode); 4848872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4858872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4868872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::drawRect(float left, float top, float right, float bottom, 487acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger const SkPaint& paint) { 488792fb3252f6460acfd82c4e5d7536ca6b787a0e0Derek Sollenberger if (CC_UNLIKELY(paint.nothingToDraw())) return; 4898872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawRectCoords(left, top, right, bottom, paint); 4908872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4918872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4928872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 49394394b3fb048d5349a77b57950ab7f6b6e92ce34Derek Sollenbergervoid SkiaCanvas::drawRegion(const SkRegion& region, const SkPaint& paint) { 494792fb3252f6460acfd82c4e5d7536ca6b787a0e0Derek Sollenberger if (CC_UNLIKELY(paint.nothingToDraw())) return; 495f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev mCanvas->drawRegion(region, paint); 49694394b3fb048d5349a77b57950ab7f6b6e92ce34Derek Sollenberger} 49794394b3fb048d5349a77b57950ab7f6b6e92ce34Derek Sollenberger 4988872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::drawRoundRect(float left, float top, float right, float bottom, 499acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger float rx, float ry, const SkPaint& paint) { 500792fb3252f6460acfd82c4e5d7536ca6b787a0e0Derek Sollenberger if (CC_UNLIKELY(paint.nothingToDraw())) return; 5018872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 5028872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawRoundRect(rect, rx, ry, paint); 5038872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5048872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 505acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawCircle(float x, float y, float radius, const SkPaint& paint) { 506792fb3252f6460acfd82c4e5d7536ca6b787a0e0Derek Sollenberger if (CC_UNLIKELY(radius <= 0 || paint.nothingToDraw())) return; 5078872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawCircle(x, y, radius, paint); 5088872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5098872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 510acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawOval(float left, float top, float right, float bottom, const SkPaint& paint) { 511792fb3252f6460acfd82c4e5d7536ca6b787a0e0Derek Sollenberger if (CC_UNLIKELY(paint.nothingToDraw())) return; 5128872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect oval = SkRect::MakeLTRB(left, top, right, bottom); 5138872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawOval(oval, paint); 5148872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5158872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5168872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::drawArc(float left, float top, float right, float bottom, 517acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger float startAngle, float sweepAngle, bool useCenter, const SkPaint& paint) { 518792fb3252f6460acfd82c4e5d7536ca6b787a0e0Derek Sollenberger if (CC_UNLIKELY(paint.nothingToDraw())) return; 5198872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect arc = SkRect::MakeLTRB(left, top, right, bottom); 5208872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawArc(arc, startAngle, sweepAngle, useCenter, paint); 5218872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5228872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 523acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawPath(const SkPath& path, const SkPaint& paint) { 524792fb3252f6460acfd82c4e5d7536ca6b787a0e0Derek Sollenberger if (CC_UNLIKELY(paint.nothingToDraw())) return; 525d7f13f84f8aefcad10ccb83aad794f1864623642Derek Sollenberger mCanvas->drawPath(path, paint); 5268872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5278872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5288872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::drawVertices(SkCanvas::VertexMode vertexMode, int vertexCount, 5298872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const float* verts, const float* texs, const int* colors, 530acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger const uint16_t* indices, int indexCount, const SkPaint& paint) { 5318872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#ifndef SK_SCALAR_IS_FLOAT 5328872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkDEBUGFAIL("SkScalar must be a float for these conversions to be valid"); 5338872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#endif 5348872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const int ptCount = vertexCount >> 1; 535871cd2dd6074544bd41a84ff38255d81a392546aMike Reed mCanvas->drawVertices(SkVertices::MakeCopy(vertexMode, ptCount, (SkPoint*)verts, 536871cd2dd6074544bd41a84ff38255d81a392546aMike Reed (SkPoint*)texs, (SkColor*)colors, 537871cd2dd6074544bd41a84ff38255d81a392546aMike Reed indexCount, indices), 538871cd2dd6074544bd41a84ff38255d81a392546aMike Reed SkBlendMode::kModulate, paint); 5398872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5408872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5418872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 5428872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas draw operations: Bitmaps 5438872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 5448872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 545aed7f58fb05a25ce2112829e77c0eb5dd268e8a7sergeyvvoid SkiaCanvas::drawBitmap(Bitmap& bitmap, float left, float top, const SkPaint* paint) { 546aed7f58fb05a25ce2112829e77c0eb5dd268e8a7sergeyv SkBitmap skBitmap; 547aed7f58fb05a25ce2112829e77c0eb5dd268e8a7sergeyv bitmap.getSkBitmap(&skBitmap); 548aed7f58fb05a25ce2112829e77c0eb5dd268e8a7sergeyv mCanvas->drawBitmap(skBitmap, left, top, paint); 5498872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5508872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 551fc9999505a36c66892d7ccce85187936105f4f36sergeyvvoid SkiaCanvas::drawBitmap(Bitmap& hwuiBitmap, const SkMatrix& matrix, const SkPaint* paint) { 552fc9999505a36c66892d7ccce85187936105f4f36sergeyv SkBitmap bitmap; 553fc9999505a36c66892d7ccce85187936105f4f36sergeyv hwuiBitmap.getSkBitmap(&bitmap); 5546acfe16b5650446dbdcce3bd779b52fb6533a41eMike Reed SkAutoCanvasRestore acr(mCanvas, true); 55570ffbf9e8288296ef7009c8297bcb6da6a7f73b2Mike Reed mCanvas->concat(matrix); 55670ffbf9e8288296ef7009c8297bcb6da6a7f73b2Mike Reed mCanvas->drawBitmap(bitmap, 0, 0, paint); 5578872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5588872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 559fc9999505a36c66892d7ccce85187936105f4f36sergeyvvoid SkiaCanvas::drawBitmap(Bitmap& hwuiBitmap, float srcLeft, float srcTop, 5608872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger float srcRight, float srcBottom, float dstLeft, float dstTop, 561acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger float dstRight, float dstBottom, const SkPaint* paint) { 562fc9999505a36c66892d7ccce85187936105f4f36sergeyv SkBitmap bitmap; 563fc9999505a36c66892d7ccce85187936105f4f36sergeyv hwuiBitmap.getSkBitmap(&bitmap); 5648872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect srcRect = SkRect::MakeLTRB(srcLeft, srcTop, srcRight, srcBottom); 5658872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect dstRect = SkRect::MakeLTRB(dstLeft, dstTop, dstRight, dstBottom); 566f35b989d26bb98900f6c5fa2e586326b30b6e161Leon Scroggins III mCanvas->drawBitmapRect(bitmap, srcRect, dstRect, paint); 5678872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5688872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5695fd2a1cb2726afa7d40fe4750e9defd89c24ed37sergeyvvoid SkiaCanvas::drawBitmapMesh(Bitmap& hwuiBitmap, int meshWidth, int meshHeight, 570acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger const float* vertices, const int* colors, const SkPaint* paint) { 5715fd2a1cb2726afa7d40fe4750e9defd89c24ed37sergeyv SkBitmap bitmap; 5725fd2a1cb2726afa7d40fe4750e9defd89c24ed37sergeyv hwuiBitmap.getSkBitmap(&bitmap); 5738872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const int ptCount = (meshWidth + 1) * (meshHeight + 1); 5748872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const int indexCount = meshWidth * meshHeight * 6; 575871cd2dd6074544bd41a84ff38255d81a392546aMike Reed uint32_t flags = SkVertices::kHasTexCoords_BuilderFlag; 576871cd2dd6074544bd41a84ff38255d81a392546aMike Reed if (colors) { 577871cd2dd6074544bd41a84ff38255d81a392546aMike Reed flags |= SkVertices::kHasColors_BuilderFlag; 578871cd2dd6074544bd41a84ff38255d81a392546aMike Reed } 579871cd2dd6074544bd41a84ff38255d81a392546aMike Reed SkVertices::Builder builder(SkCanvas::kTriangles_VertexMode, ptCount, indexCount, flags); 580871cd2dd6074544bd41a84ff38255d81a392546aMike Reed memcpy(builder.positions(), vertices, ptCount * sizeof(SkPoint)); 581871cd2dd6074544bd41a84ff38255d81a392546aMike Reed if (colors) { 582871cd2dd6074544bd41a84ff38255d81a392546aMike Reed memcpy(builder.colors(), colors, ptCount * sizeof(SkColor)); 583871cd2dd6074544bd41a84ff38255d81a392546aMike Reed } 584871cd2dd6074544bd41a84ff38255d81a392546aMike Reed SkPoint* texs = builder.texCoords(); 585871cd2dd6074544bd41a84ff38255d81a392546aMike Reed uint16_t* indices = builder.indices(); 5868872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5878872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // cons up texture coordinates and indices 5888872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger { 5898872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const SkScalar w = SkIntToScalar(bitmap.width()); 5908872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const SkScalar h = SkIntToScalar(bitmap.height()); 5918872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const SkScalar dx = w / meshWidth; 5928872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const SkScalar dy = h / meshHeight; 5938872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5948872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkPoint* texsPtr = texs; 5958872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkScalar y = 0; 5968872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int i = 0; i <= meshHeight; i++) { 5978872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (i == meshHeight) { 5988872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger y = h; // to ensure numerically we hit h exactly 5998872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 6008872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkScalar x = 0; 6018872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int j = 0; j < meshWidth; j++) { 6028872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger texsPtr->set(x, y); 6038872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger texsPtr += 1; 6048872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger x += dx; 6058872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 6068872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger texsPtr->set(w, y); 6078872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger texsPtr += 1; 6088872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger y += dy; 6098872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 6108872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkASSERT(texsPtr - texs == ptCount); 6118872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 6128872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6138872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // cons up indices 6148872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger { 6158872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger uint16_t* indexPtr = indices; 6168872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger int index = 0; 6178872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int i = 0; i < meshHeight; i++) { 6188872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int j = 0; j < meshWidth; j++) { 6198872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // lower-left triangle 6208872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index; 6218872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index + meshWidth + 1; 6228872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index + meshWidth + 2; 6238872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // upper-right triangle 6248872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index; 6258872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index + meshWidth + 2; 6268872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index + 1; 6278872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // bump to the next cell 6288872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger index += 1; 6298872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 6308872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // bump to the next row 6318872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger index += 1; 6328872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 6338872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkASSERT(indexPtr - indices == indexCount); 6348872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 6358872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6368872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // double-check that we have legal indices 6378872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#ifdef SK_DEBUG 6388872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger { 6398872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int i = 0; i < indexCount; i++) { 6408872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkASSERT((unsigned)indices[i] < (unsigned)ptCount); 6418872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 6428872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 6438872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#endif 6448872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6458872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // cons-up a shader for the bitmap 646acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger SkPaint tmpPaint; 6478872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (paint) { 6488872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger tmpPaint = *paint; 6498872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 650f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 651f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev sk_sp<SkImage> image = SkMakeImageFromRasterBitmap(bitmap, kNever_SkCopyPixelsMode); 652f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev tmpPaint.setShader(image->makeShader(SkShader::kClamp_TileMode, SkShader::kClamp_TileMode)); 6538872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 654871cd2dd6074544bd41a84ff38255d81a392546aMike Reed mCanvas->drawVertices(builder.detach(), SkBlendMode::kModulate, tmpPaint); 6558872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 6568872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6575fd2a1cb2726afa7d40fe4750e9defd89c24ed37sergeyvvoid SkiaCanvas::drawNinePatch(Bitmap& hwuiBitmap, const Res_png_9patch& chunk, 658edca320a2b42011f98c308fdf25fc0494c6a5454Derek Sollenberger float dstLeft, float dstTop, float dstRight, float dstBottom, const SkPaint* paint) { 659f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 6605fd2a1cb2726afa7d40fe4750e9defd89c24ed37sergeyv SkBitmap bitmap; 6615fd2a1cb2726afa7d40fe4750e9defd89c24ed37sergeyv hwuiBitmap.getSkBitmap(&bitmap); 662f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 663f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkCanvas::Lattice lattice; 6647de73858975fc4dbccfa1c188f6d1a12d39ce2c5Matt Sarett NinePatchUtils::SetLatticeDivs(&lattice, chunk, bitmap.width(), bitmap.height()); 665f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 666f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev lattice.fFlags = nullptr; 667f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev int numFlags = 0; 668021693b967a2c5556dddd183eb0247df4079e1adStan Iliev if (chunk.numColors > 0 && chunk.numColors == NinePatchUtils::NumDistinctRects(lattice)) { 669f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // We can expect the framework to give us a color for every distinct rect. 670f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // Skia requires a flag for every rect. 671f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev numFlags = (lattice.fXCount + 1) * (lattice.fYCount + 1); 672f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev } 673f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 674f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkAutoSTMalloc<25, SkCanvas::Lattice::Flags> flags(numFlags); 675f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (numFlags > 0) { 676021693b967a2c5556dddd183eb0247df4079e1adStan Iliev NinePatchUtils::SetLatticeFlags(&lattice, flags.get(), numFlags, chunk); 677f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev } 678f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 679f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev lattice.fBounds = nullptr; 680f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkRect dst = SkRect::MakeLTRB(dstLeft, dstTop, dstRight, dstBottom); 681f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev mCanvas->drawBitmapLattice(bitmap, lattice, dst, paint); 682edca320a2b42011f98c308fdf25fc0494c6a5454Derek Sollenberger} 683edca320a2b42011f98c308fdf25fc0494c6a5454Derek Sollenberger 684766431aa57c16ece8842287a92b2e7208e3b8ac3Doris Liuvoid SkiaCanvas::drawVectorDrawable(VectorDrawableRoot* vectorDrawable) { 6851d8e194661085f9a18ab1b3cd12f9e19d3a86be5Doris Liu vectorDrawable->drawStaging(this); 686766431aa57c16ece8842287a92b2e7208e3b8ac3Doris Liu} 687766431aa57c16ece8842287a92b2e7208e3b8ac3Doris Liu 6888872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 6898872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas draw operations: Text 6908872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 6918872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 692dccca44ffda4836b56a21da95a046c9708ffd49csergeyvvoid SkiaCanvas::drawGlyphs(const uint16_t* text, const float* positions, int count, 693acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger const SkPaint& paint, float x, float y, 6948dfaa4904205772cdceee63ef3989bcdedf1a914Tom Hudson float boundsLeft, float boundsTop, float boundsRight, float boundsBottom, 6958dfaa4904205772cdceee63ef3989bcdedf1a914Tom Hudson float totalAdvance) { 696792fb3252f6460acfd82c4e5d7536ca6b787a0e0Derek Sollenberger if (!text || !positions || count <= 0 || paint.nothingToDraw()) return; 697f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // Set align to left for drawing, as we don't want individual 698f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // glyphs centered or right-aligned; the offset above takes 699f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // care of all alignment. 700f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkPaint paintCopy(paint); 701f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev paintCopy.setTextAlign(SkPaint::kLeft_Align); 702f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 703f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkRect bounds = SkRect::MakeLTRB(boundsLeft + x, boundsTop + y, 704f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev boundsRight + x, boundsBottom + y); 705f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 706f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkTextBlobBuilder builder; 707f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev const SkTextBlobBuilder::RunBuffer& buffer = builder.allocRunPos(paintCopy, count, &bounds); 708f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // TODO: we could reduce the number of memcpy's if the this were exposed further up 709f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // in the architecture. 710f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev memcpy(buffer.glyphs, text, count * sizeof(uint16_t)); 711f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev memcpy(buffer.pos, positions, (count << 1) * sizeof(float)); 712f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 713f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev sk_sp<SkTextBlob> textBlob(builder.make()); 714f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev mCanvas->drawTextBlob(textBlob, 0, 0, paintCopy); 715f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev drawTextDecorations(x, y, totalAdvance, paintCopy); 7168872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 7178872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 718afc221499d943386256feb9db46c119ff834bf79Yuqian Livoid SkiaCanvas::drawLayoutOnPath(const minikin::Layout& layout, float hOffset, float vOffset, 719afc221499d943386256feb9db46c119ff834bf79Yuqian Li const SkPaint& paint, const SkPath& path, size_t start, size_t end) { 720afc221499d943386256feb9db46c119ff834bf79Yuqian Li const int N = end - start; 721e547dd0b80b819bbd377bd7de228737b10570aa0Derek Sollenberger SkAutoSTMalloc<1024, uint8_t> storage(N * (sizeof(uint16_t) + sizeof(SkRSXform))); 722afc221499d943386256feb9db46c119ff834bf79Yuqian Li SkRSXform* xform = (SkRSXform*)storage.get(); 723afc221499d943386256feb9db46c119ff834bf79Yuqian Li uint16_t* glyphs = (uint16_t*)(xform + N); 724afc221499d943386256feb9db46c119ff834bf79Yuqian Li SkPathMeasure meas(path, false); 725afc221499d943386256feb9db46c119ff834bf79Yuqian Li 726afc221499d943386256feb9db46c119ff834bf79Yuqian Li for (size_t i = start; i < end; i++) { 727afc221499d943386256feb9db46c119ff834bf79Yuqian Li glyphs[i - start] = layout.getGlyphId(i); 728afc221499d943386256feb9db46c119ff834bf79Yuqian Li float x = hOffset + layout.getX(i); 729afc221499d943386256feb9db46c119ff834bf79Yuqian Li float y = vOffset + layout.getY(i); 730afc221499d943386256feb9db46c119ff834bf79Yuqian Li 731afc221499d943386256feb9db46c119ff834bf79Yuqian Li SkPoint pos; 732afc221499d943386256feb9db46c119ff834bf79Yuqian Li SkVector tan; 733afc221499d943386256feb9db46c119ff834bf79Yuqian Li if (!meas.getPosTan(x, &pos, &tan)) { 734afc221499d943386256feb9db46c119ff834bf79Yuqian Li pos.set(x, y); 735afc221499d943386256feb9db46c119ff834bf79Yuqian Li tan.set(1, 0); 736afc221499d943386256feb9db46c119ff834bf79Yuqian Li } 737afc221499d943386256feb9db46c119ff834bf79Yuqian Li xform[i - start].fSCos = tan.x(); 738afc221499d943386256feb9db46c119ff834bf79Yuqian Li xform[i - start].fSSin = tan.y(); 739afc221499d943386256feb9db46c119ff834bf79Yuqian Li xform[i - start].fTx = pos.x() - tan.y() * y; 740afc221499d943386256feb9db46c119ff834bf79Yuqian Li xform[i - start].fTy = pos.y() + tan.x() * y; 741afc221499d943386256feb9db46c119ff834bf79Yuqian Li } 742afc221499d943386256feb9db46c119ff834bf79Yuqian Li 743afc221499d943386256feb9db46c119ff834bf79Yuqian Li this->asSkCanvas()->drawTextRSXform(glyphs, sizeof(uint16_t) * N, xform, nullptr, paint); 7448872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 7458872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 7466f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// ---------------------------------------------------------------------------- 7476f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// Canvas draw operations: Animations 7486f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// ---------------------------------------------------------------------------- 7496f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 7506f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenbergervoid SkiaCanvas::drawRoundRect(uirenderer::CanvasPropertyPrimitive* left, 7516f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* top, uirenderer::CanvasPropertyPrimitive* right, 7526f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* bottom, uirenderer::CanvasPropertyPrimitive* rx, 7536f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* ry, uirenderer::CanvasPropertyPaint* paint) { 754021693b967a2c5556dddd183eb0247df4079e1adStan Iliev sk_sp<uirenderer::skiapipeline::AnimatedRoundRect> drawable( 755021693b967a2c5556dddd183eb0247df4079e1adStan Iliev new uirenderer::skiapipeline::AnimatedRoundRect(left, top, right, bottom, rx, ry, paint)); 7566f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger mCanvas->drawDrawable(drawable.get()); 7576f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger} 7586f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 7596f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenbergervoid SkiaCanvas::drawCircle(uirenderer::CanvasPropertyPrimitive* x, uirenderer::CanvasPropertyPrimitive* y, 7606f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* radius, uirenderer::CanvasPropertyPaint* paint) { 761021693b967a2c5556dddd183eb0247df4079e1adStan Iliev sk_sp<uirenderer::skiapipeline::AnimatedCircle> drawable(new uirenderer::skiapipeline::AnimatedCircle(x, y, radius, paint)); 7626f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger mCanvas->drawDrawable(drawable.get()); 7636f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger} 7646f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 7656f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// ---------------------------------------------------------------------------- 7666f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// Canvas draw operations: View System 7676f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// ---------------------------------------------------------------------------- 7686f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 769f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Ilievvoid SkiaCanvas::drawLayer(uirenderer::DeferredLayerUpdater* layerUpdater) { 770c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger LOG_ALWAYS_FATAL("SkiaCanvas can't directly draw Layers"); 771c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger} 7726f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 773c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenbergervoid SkiaCanvas::drawRenderNode(uirenderer::RenderNode* renderNode) { 774c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger LOG_ALWAYS_FATAL("SkiaCanvas can't directly draw RenderNodes"); 775c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger} 7766f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 777cd1c3eba69d044b551cededad75474038f919890John Reckvoid SkiaCanvas::callDrawGLFunction(Functor* functor, 778c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger uirenderer::GlFunctorLifecycleListener* listener) { 779c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger LOG_ALWAYS_FATAL("SkiaCanvas can't directly draw GL Content"); 780c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger} 7816f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 7828872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} // namespace android 783