SkiaCanvas.cpp revision 5e4389823191aafff7422561f134dbdb391e0a2d
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 266f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger#include <SkDrawable.h> 27849911a9c4315fc552faa38516c842b2541b1909John Reck#include <SkDeque.h> 28849911a9c4315fc552faa38516c842b2541b1909John Reck#include <SkDrawFilter.h> 29849911a9c4315fc552faa38516c842b2541b1909John Reck#include <SkGraphics.h> 306f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger#include <SkImage.h> 3162feb3a0b4690144a067080ab17beae160ea6320Matt Sarett#include <SkImagePriv.h> 32afc221499d943386256feb9db46c119ff834bf79Yuqian Li#include <SkRSXform.h> 33849911a9c4315fc552faa38516c842b2541b1909John Reck#include <SkShader.h> 34849911a9c4315fc552faa38516c842b2541b1909John Reck#include <SkTemplates.h> 35f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev#include <SkTextBlob.h> 368872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3760126efd7d905ca24822765c6dafac17fef278abBen Wagner#include <memory> 3860126efd7d905ca24822765c6dafac17fef278abBen Wagner 398872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergernamespace android { 408872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 41f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Ilievusing uirenderer::PaintUtils; 42f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 43c1b33d665c8caf5760f68c45c6ca0baa649b832aJohn ReckCanvas* Canvas::create_canvas(const SkBitmap& bitmap) { 448872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return new SkiaCanvas(bitmap); 458872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 468872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 478872b38ef403cc2c44aca07d392f5e9426fd7f54Derek SollenbergerCanvas* Canvas::create_canvas(SkCanvas* skiaCanvas) { 488872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return new SkiaCanvas(skiaCanvas); 498872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 508872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 51f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan IlievSkiaCanvas::SkiaCanvas() {} 52f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 53f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan IlievSkiaCanvas::SkiaCanvas(SkCanvas* canvas) 546acfe16b5650446dbdcce3bd779b52fb6533a41eMike Reed : mCanvas(canvas) {} 55f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 56c1b33d665c8caf5760f68c45c6ca0baa649b832aJohn ReckSkiaCanvas::SkiaCanvas(const SkBitmap& bitmap) { 576acfe16b5650446dbdcce3bd779b52fb6533a41eMike Reed mCanvasOwned = std::unique_ptr<SkCanvas>(new SkCanvas(bitmap)); 586acfe16b5650446dbdcce3bd779b52fb6533a41eMike Reed mCanvas = mCanvasOwned.get(); 598872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 608872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 61021693b967a2c5556dddd183eb0247df4079e1adStan IlievSkiaCanvas::~SkiaCanvas() {} 62021693b967a2c5556dddd183eb0247df4079e1adStan Iliev 63c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenbergervoid SkiaCanvas::reset(SkCanvas* skiaCanvas) { 646acfe16b5650446dbdcce3bd779b52fb6533a41eMike Reed if (mCanvas != skiaCanvas) { 656acfe16b5650446dbdcce3bd779b52fb6533a41eMike Reed mCanvas = skiaCanvas; 666acfe16b5650446dbdcce3bd779b52fb6533a41eMike Reed mCanvasOwned.reset(); 676acfe16b5650446dbdcce3bd779b52fb6533a41eMike Reed } 68c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger mSaveStack.reset(nullptr); 69c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger mHighContrastText = false; 70c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger} 71c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger 728872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 738872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas state operations: Replace Bitmap 748872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 758872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 768872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerclass ClipCopier : public SkCanvas::ClipVisitor { 778872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerpublic: 78c6baf563ba6aa207a48317c177b29f1d2b70cf3dChih-Hung Hsieh explicit ClipCopier(SkCanvas* dstCanvas) : m_dstCanvas(dstCanvas) {} 798872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 806e49c9f007c879f05b035c40c0ba543c00f9d0d0Mike Reed virtual void clipRect(const SkRect& rect, SkClipOp op, bool antialias) { 818872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger m_dstCanvas->clipRect(rect, op, antialias); 828872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 836e49c9f007c879f05b035c40c0ba543c00f9d0d0Mike Reed virtual void clipRRect(const SkRRect& rrect, SkClipOp op, bool antialias) { 848872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger m_dstCanvas->clipRRect(rrect, op, antialias); 858872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 866e49c9f007c879f05b035c40c0ba543c00f9d0d0Mike Reed virtual void clipPath(const SkPath& path, SkClipOp op, bool antialias) { 878872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger m_dstCanvas->clipPath(path, op, antialias); 888872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 898872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 908872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerprivate: 918872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkCanvas* m_dstCanvas; 928872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger}; 938872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 94c1b33d665c8caf5760f68c45c6ca0baa649b832aJohn Reckvoid SkiaCanvas::setBitmap(const SkBitmap& bitmap) { 95f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkCanvas* newCanvas = new SkCanvas(bitmap); 968872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 97c1b33d665c8caf5760f68c45c6ca0baa649b832aJohn Reck if (!bitmap.isNull()) { 988872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // Copy the canvas matrix & clip state. 998872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger newCanvas->setMatrix(mCanvas->getTotalMatrix()); 100f35b989d26bb98900f6c5fa2e586326b30b6e161Leon Scroggins III 101f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev ClipCopier copier(newCanvas); 102f35b989d26bb98900f6c5fa2e586326b30b6e161Leon Scroggins III mCanvas->replayClips(&copier); 1038872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 1048872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1056acfe16b5650446dbdcce3bd779b52fb6533a41eMike Reed // deletes the previously owned canvas (if any) 1066acfe16b5650446dbdcce3bd779b52fb6533a41eMike Reed mCanvasOwned = std::unique_ptr<SkCanvas>(newCanvas); 1076acfe16b5650446dbdcce3bd779b52fb6533a41eMike Reed mCanvas = newCanvas; 1088872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1098872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // clean up the old save stack 110f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev mSaveStack.reset(nullptr); 1118872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1128872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1138872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 1148872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas state operations 1158872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 1168872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1178872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerbool SkiaCanvas::isOpaque() { 118f35b989d26bb98900f6c5fa2e586326b30b6e161Leon Scroggins III return mCanvas->imageInfo().isOpaque(); 1198872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1208872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1218872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerint SkiaCanvas::width() { 122f35b989d26bb98900f6c5fa2e586326b30b6e161Leon Scroggins III return mCanvas->imageInfo().width(); 1238872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1248872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1258872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerint SkiaCanvas::height() { 126f35b989d26bb98900f6c5fa2e586326b30b6e161Leon Scroggins III return mCanvas->imageInfo().height(); 1278872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1288872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1298872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 1308872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas state operations: Save (layer) 1318872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 1328872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1338872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerint SkiaCanvas::getSaveCount() const { 1348872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return mCanvas->getSaveCount(); 1358872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1368872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 137eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malitaint SkiaCanvas::save(SaveFlags::Flags flags) { 1388872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger int count = mCanvas->save(); 1398872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger recordPartialSave(flags); 1408872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return count; 1418872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1428872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1435e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita// The SkiaCanvas::restore operation layers on the capability to preserve 1445e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita// either (or both) the matrix and/or clip state after a SkCanvas::restore 1455e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita// operation. It does this by explicitly saving off the clip & matrix state 1465e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita// when requested and playing it back after the SkCanvas::restore. 1478872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::restore() { 148f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev const auto* rec = this->currentSaveRec(); 149f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (!rec) { 1508872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // Fast path - no record for this frame. 1518872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->restore(); 1528872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return; 1538872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 1548872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 155eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita bool preserveMatrix = !(rec->saveFlags & SaveFlags::Matrix); 156eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita bool preserveClip = !(rec->saveFlags & SaveFlags::Clip); 1578872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1588872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkMatrix savedMatrix; 1598872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (preserveMatrix) { 1608872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger savedMatrix = mCanvas->getTotalMatrix(); 1618872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 1628872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 163f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev const size_t clipIndex = rec->clipIndex; 1648872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1658872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->restore(); 166f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev mSaveStack->pop_back(); 1678872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1688872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (preserveMatrix) { 1698872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->setMatrix(savedMatrix); 1708872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 1718872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 172f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (preserveClip) { 173f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev this->applyPersistentClips(clipIndex); 1748872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 1758872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1768872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1778872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::restoreToCount(int restoreCount) { 1788872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger while (mCanvas->getSaveCount() > restoreCount) { 1798872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger this->restore(); 1808872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 1818872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1828872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 183eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malitastatic inline SkCanvas::SaveLayerFlags layerFlags(SaveFlags::Flags flags) { 184eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita SkCanvas::SaveLayerFlags layerFlags = 0; 185eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita 18683427ff2224c89cc1a590ea609206c95c8ee039eYuqian Li // We intentionally ignore the SaveFlags::HasAlphaLayer and 18783427ff2224c89cc1a590ea609206c95c8ee039eYuqian Li // SkCanvas::kIsOpaque_SaveLayerFlag flags because HWUI ignores it 18883427ff2224c89cc1a590ea609206c95c8ee039eYuqian Li // and our Android client may use it incorrectly. 18983427ff2224c89cc1a590ea609206c95c8ee039eYuqian Li // In Skia, this flag is purely for performance optimization. 190eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita 191eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita if (!(flags & SaveFlags::ClipToLayer)) { 192eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita layerFlags |= SkCanvas::kDontClipToLayer_Legacy_SaveLayerFlag; 193eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita } 194eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita 195eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita return layerFlags; 196eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita} 197eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita 1988872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerint SkiaCanvas::saveLayer(float left, float top, float right, float bottom, 199eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita const SkPaint* paint, SaveFlags::Flags flags) { 200eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita const SkRect bounds = SkRect::MakeLTRB(left, top, right, bottom); 20168885e38b86405b333e3f8fd4ff0a104889147c4Stan Iliev //always save matrix and clip to match the behaviour of Skia and HWUI pipelines and to ensure 20268885e38b86405b333e3f8fd4ff0a104889147c4Stan Iliev //android state tracking behavior matches that of the Skia API (partial save is not supported) 20368885e38b86405b333e3f8fd4ff0a104889147c4Stan Iliev const SkCanvas::SaveLayerRec rec(&bounds, paint, layerFlags(flags | SaveFlags::MatrixClip)); 204eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita 20568885e38b86405b333e3f8fd4ff0a104889147c4Stan Iliev return mCanvas->saveLayer(rec); 2068872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2078872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2088872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerint SkiaCanvas::saveLayerAlpha(float left, float top, float right, float bottom, 209eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita int alpha, SaveFlags::Flags flags) { 210eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita if (static_cast<unsigned>(alpha) < 0xFF) { 211fd92ee4b731bee39f8b100cd138fb491de9d66eeYuqian Li SkPaint alphaPaint; 212fd92ee4b731bee39f8b100cd138fb491de9d66eeYuqian Li alphaPaint.setAlpha(alpha); 213fd92ee4b731bee39f8b100cd138fb491de9d66eeYuqian Li return this->saveLayer(left, top, right, bottom, &alphaPaint, flags); 214eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita } 215fd92ee4b731bee39f8b100cd138fb491de9d66eeYuqian Li return this->saveLayer(left, top, right, bottom, nullptr, flags); 2168872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2178872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 218f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Ilievclass SkiaCanvas::Clip { 219f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Ilievpublic: 2206e49c9f007c879f05b035c40c0ba543c00f9d0d0Mike Reed Clip(const SkRect& rect, SkClipOp op, const SkMatrix& m) 221f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev : mType(Type::Rect), mOp(op), mMatrix(m), mRRect(SkRRect::MakeRect(rect)) {} 2226e49c9f007c879f05b035c40c0ba543c00f9d0d0Mike Reed Clip(const SkRRect& rrect, SkClipOp op, const SkMatrix& m) 223f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev : mType(Type::RRect), mOp(op), mMatrix(m), mRRect(rrect) {} 2246e49c9f007c879f05b035c40c0ba543c00f9d0d0Mike Reed Clip(const SkPath& path, SkClipOp op, const SkMatrix& m) 225f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev : mType(Type::Path), mOp(op), mMatrix(m), mPath(&path) {} 226f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 227f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev void apply(SkCanvas* canvas) const { 228f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev canvas->setMatrix(mMatrix); 229f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev switch (mType) { 230f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev case Type::Rect: 231f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev canvas->clipRect(mRRect.rect(), mOp); 232f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev break; 233f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev case Type::RRect: 234f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev canvas->clipRRect(mRRect, mOp); 235f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev break; 236f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev case Type::Path: 237f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev canvas->clipPath(*mPath.get(), mOp); 238f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev break; 239f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev } 240f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev } 241f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 242f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Ilievprivate: 243f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev enum class Type { 244f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev Rect, 245f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev RRect, 246f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev Path, 247f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev }; 248f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 2496e49c9f007c879f05b035c40c0ba543c00f9d0d0Mike Reed Type mType; 2506e49c9f007c879f05b035c40c0ba543c00f9d0d0Mike Reed SkClipOp mOp; 2516e49c9f007c879f05b035c40c0ba543c00f9d0d0Mike Reed SkMatrix mMatrix; 252f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 253f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // These are logically a union (tracked separately due to non-POD path). 254f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkTLazy<SkPath> mPath; 255f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkRRect mRRect; 256f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev}; 257f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 258f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Ilievconst SkiaCanvas::SaveRec* SkiaCanvas::currentSaveRec() const { 259f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev const SaveRec* rec = mSaveStack 260f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev ? static_cast<const SaveRec*>(mSaveStack->back()) 261f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev : nullptr; 262f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev int currentSaveCount = mCanvas->getSaveCount(); 263f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkASSERT(!rec || currentSaveCount >= rec->saveCount); 264f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 265f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev return (rec && rec->saveCount == currentSaveCount) ? rec : nullptr; 266f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev} 267f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 2688872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 2698872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// functions to emulate legacy SaveFlags (i.e. independent matrix/clip flags) 2708872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 2718872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 272eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malitavoid SkiaCanvas::recordPartialSave(SaveFlags::Flags flags) { 2738872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // A partial save is a save operation which doesn't capture the full canvas state. 274eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita // (either SaveFlags::Matrix or SaveFlags::Clip is missing). 2758872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2768872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // Mask-out non canvas state bits. 277eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita flags &= SaveFlags::MatrixClip; 2788872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 279eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita if (flags == SaveFlags::MatrixClip) { 2808872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // not a partial save. 2818872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return; 2828872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 2838872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 284f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (!mSaveStack) { 285d1cbc1608906302130158acc4c72c82c89b49e10Ben Wagner mSaveStack.reset(new SkDeque(sizeof(struct SaveRec), 8)); 2868872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 2878872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2888872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SaveRec* rec = static_cast<SaveRec*>(mSaveStack->push_back()); 2895e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita rec->saveCount = mCanvas->getSaveCount(); 2908872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger rec->saveFlags = flags; 291f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev rec->clipIndex = mClipStack.size(); 2928872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2938872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 294f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Ilievtemplate <typename T> 2956e49c9f007c879f05b035c40c0ba543c00f9d0d0Mike Reedvoid SkiaCanvas::recordClip(const T& clip, SkClipOp op) { 296f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // Only need tracking when in a partial save frame which 297f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // doesn't restore the clip. 298f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev const SaveRec* rec = this->currentSaveRec(); 299f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (rec && !(rec->saveFlags & SaveFlags::Clip)) { 300f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev mClipStack.emplace_back(clip, op, mCanvas->getTotalMatrix()); 3018872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3028872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3038872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 304f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev// Applies and optionally removes all clips >= index. 305f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Ilievvoid SkiaCanvas::applyPersistentClips(size_t clipStartIndex) { 306f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkASSERT(clipStartIndex <= mClipStack.size()); 307f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev const auto begin = mClipStack.cbegin() + clipStartIndex; 308f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev const auto end = mClipStack.cend(); 3098872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 310f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // Clip application mutates the CTM. 311f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev const SkMatrix saveMatrix = mCanvas->getTotalMatrix(); 3128872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 313f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev for (auto clip = begin; clip != end; ++clip) { 3146acfe16b5650446dbdcce3bd779b52fb6533a41eMike Reed clip->apply(mCanvas); 3158872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3168872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 317f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev mCanvas->setMatrix(saveMatrix); 318f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 319f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // If the current/post-restore save rec is also persisting clips, we 320f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // leave them on the stack to be reapplied part of the next restore(). 321f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // Otherwise we're done and just pop them. 322f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev const auto* rec = this->currentSaveRec(); 323f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (!rec || (rec->saveFlags & SaveFlags::Clip)) { 324f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev mClipStack.erase(begin, end); 325f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev } 3268872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3278872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3288872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 3298872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas state operations: Matrix 3308872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 3318872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3328872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::getMatrix(SkMatrix* outMatrix) const { 3338872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *outMatrix = mCanvas->getTotalMatrix(); 3348872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3358872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3368872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::setMatrix(const SkMatrix& matrix) { 3378872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->setMatrix(matrix); 3388872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3398872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3408872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::concat(const SkMatrix& matrix) { 3418872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->concat(matrix); 3428872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3438872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3448872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::rotate(float degrees) { 3458872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->rotate(degrees); 3468872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3478872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3488872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::scale(float sx, float sy) { 3498872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->scale(sx, sy); 3508872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3518872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3528872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::skew(float sx, float sy) { 3538872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->skew(sx, sy); 3548872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3558872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3568872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::translate(float dx, float dy) { 3578872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->translate(dx, dy); 3588872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3598872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3608872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 3618872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas state operations: Clips 3628872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 3638872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3648872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// This function is a mirror of SkCanvas::getClipBounds except that it does 3658872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// not outset the edge of the clip to account for anti-aliasing. There is 3668872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// a skia bug to investigate pushing this logic into back into skia. 3678872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// (see https://code.google.com/p/skia/issues/detail?id=1303) 3688872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerbool SkiaCanvas::getClipBounds(SkRect* outRect) const { 3698872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkIRect ibounds; 3705e4389823191aafff7422561f134dbdb391e0a2dMike Reed if (!mCanvas->getDeviceClipBounds(&ibounds)) { 3718872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return false; 3728872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3738872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3748872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkMatrix inverse; 3758872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // if we can't invert the CTM, we can't return local clip bounds 3768872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (!mCanvas->getTotalMatrix().invert(&inverse)) { 3778872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (outRect) { 3788872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger outRect->setEmpty(); 3798872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3808872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return false; 3818872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3828872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3838872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (NULL != outRect) { 3848872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect r = SkRect::Make(ibounds); 3858872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger inverse.mapRect(outRect, r); 3868872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3878872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return true; 3888872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3898872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3908872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerbool SkiaCanvas::quickRejectRect(float left, float top, float right, float bottom) const { 3918872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect bounds = SkRect::MakeLTRB(left, top, right, bottom); 3928872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return mCanvas->quickReject(bounds); 3938872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3948872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3958872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerbool SkiaCanvas::quickRejectPath(const SkPath& path) const { 3968872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return mCanvas->quickReject(path); 3978872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3988872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3996e49c9f007c879f05b035c40c0ba543c00f9d0d0Mike Reedbool SkiaCanvas::clipRect(float left, float top, float right, float bottom, SkClipOp op) { 4008872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 401f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev this->recordClip(rect, op); 4028872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->clipRect(rect, op); 4035ec6a2878b2ad933c5da6fe2341c854155acc24cChris Craik return !mCanvas->isClipEmpty(); 4048872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4058872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4066e49c9f007c879f05b035c40c0ba543c00f9d0d0Mike Reedbool SkiaCanvas::clipPath(const SkPath* path, SkClipOp op) { 407c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger SkRRect roundRect; 408c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger if (path->isRRect(&roundRect)) { 409f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev this->recordClip(roundRect, op); 410c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger mCanvas->clipRRect(roundRect, op); 411c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger } else { 412f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev this->recordClip(*path, op); 413c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger mCanvas->clipPath(*path, op); 414c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger } 4155ec6a2878b2ad933c5da6fe2341c854155acc24cChris Craik return !mCanvas->isClipEmpty(); 4168872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4178872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4188872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 4198872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas state operations: Filters 4208872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 4218872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 422acb4099deff72c2c631f7110a405a3331d3e8b27Derek SollenbergerSkDrawFilter* SkiaCanvas::getDrawFilter() { 423acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger return mCanvas->getDrawFilter(); 424acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger} 425acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger 4268872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::setDrawFilter(SkDrawFilter* drawFilter) { 4278872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->setDrawFilter(drawFilter); 4288872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4298872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4308872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 4318872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas draw operations 4328872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 4338872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 434260ab726486317496bc12a57d599ea96dcde3284Mike Reedvoid SkiaCanvas::drawColor(int color, SkBlendMode mode) { 4358872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawColor(color, mode); 4368872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4378872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 438acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawPaint(const SkPaint& paint) { 4398872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawPaint(paint); 4408872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4418872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4428872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 4438872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas draw operations: Geometry 4448872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 4458872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 446acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawPoints(const float* points, int count, const SkPaint& paint, 4478872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkCanvas::PointMode mode) { 448f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (CC_UNLIKELY(count < 2 || PaintUtils::paintWillNotDraw(paint))) return; 4498872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // convert the floats into SkPoints 4508872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger count >>= 1; // now it is the number of points 4516bbf68d05a9deb335fc693b4a64651aea1b4e9e0Ben Wagner std::unique_ptr<SkPoint[]> pts(new SkPoint[count]); 4528872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int i = 0; i < count; i++) { 4538872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger pts[i].set(points[0], points[1]); 4548872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger points += 2; 4558872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 4566bbf68d05a9deb335fc693b4a64651aea1b4e9e0Ben Wagner mCanvas->drawPoints(mode, count, pts.get(), paint); 4578872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4588872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4598872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 460acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawPoint(float x, float y, const SkPaint& paint) { 4618872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawPoint(x, y, paint); 4628872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4638872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 464acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawPoints(const float* points, int count, const SkPaint& paint) { 4658872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger this->drawPoints(points, count, paint, SkCanvas::kPoints_PointMode); 4668872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4678872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4688872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::drawLine(float startX, float startY, float stopX, float stopY, 469acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger const SkPaint& paint) { 4708872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawLine(startX, startY, stopX, stopY, paint); 4718872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4728872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 473acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawLines(const float* points, int count, const SkPaint& paint) { 474f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (CC_UNLIKELY(count < 4 || PaintUtils::paintWillNotDraw(paint))) return; 4758872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger this->drawPoints(points, count, paint, SkCanvas::kLines_PointMode); 4768872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4778872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4788872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::drawRect(float left, float top, float right, float bottom, 479acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger const SkPaint& paint) { 480f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (CC_UNLIKELY(PaintUtils::paintWillNotDraw(paint))) return; 4818872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawRectCoords(left, top, right, bottom, paint); 4828872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4838872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4848872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 48594394b3fb048d5349a77b57950ab7f6b6e92ce34Derek Sollenbergervoid SkiaCanvas::drawRegion(const SkRegion& region, const SkPaint& paint) { 486f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (CC_UNLIKELY(PaintUtils::paintWillNotDraw(paint))) return; 487f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev mCanvas->drawRegion(region, paint); 48894394b3fb048d5349a77b57950ab7f6b6e92ce34Derek Sollenberger} 48994394b3fb048d5349a77b57950ab7f6b6e92ce34Derek Sollenberger 4908872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::drawRoundRect(float left, float top, float right, float bottom, 491acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger float rx, float ry, const SkPaint& paint) { 492f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (CC_UNLIKELY(PaintUtils::paintWillNotDraw(paint))) return; 4938872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 4948872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawRoundRect(rect, rx, ry, paint); 4958872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4968872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 497acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawCircle(float x, float y, float radius, const SkPaint& paint) { 498f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (CC_UNLIKELY(radius <= 0 || PaintUtils::paintWillNotDraw(paint))) return; 4998872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawCircle(x, y, radius, paint); 5008872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5018872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 502acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawOval(float left, float top, float right, float bottom, const SkPaint& paint) { 503f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (CC_UNLIKELY(PaintUtils::paintWillNotDraw(paint))) return; 5048872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect oval = SkRect::MakeLTRB(left, top, right, bottom); 5058872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawOval(oval, paint); 5068872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5078872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5088872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::drawArc(float left, float top, float right, float bottom, 509acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger float startAngle, float sweepAngle, bool useCenter, const SkPaint& paint) { 510f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (CC_UNLIKELY(PaintUtils::paintWillNotDraw(paint))) return; 5118872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect arc = SkRect::MakeLTRB(left, top, right, bottom); 5128872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawArc(arc, startAngle, sweepAngle, useCenter, paint); 5138872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5148872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 515acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawPath(const SkPath& path, const SkPaint& paint) { 516f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (CC_UNLIKELY(PaintUtils::paintWillNotDraw(paint))) return; 517c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger SkRect rect; 518c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger SkRRect roundRect; 519c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger if (path.isOval(&rect)) { 520c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger mCanvas->drawOval(rect, paint); 521c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger } else if (path.isRRect(&roundRect)) { 522c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger mCanvas->drawRRect(roundRect, paint); 523c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger } else { 524c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger mCanvas->drawPath(path, paint); 525c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger } 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; 5358872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawVertices(vertexMode, ptCount, (SkPoint*)verts, (SkPoint*)texs, 536c2f31df8b3b9a237e9abffc59c61804ad8495073Mike Reed (SkColor*)colors, indices, indexCount, paint); 5378872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5388872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5398872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 5408872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas draw operations: Bitmaps 5418872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 5428872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 543aed7f58fb05a25ce2112829e77c0eb5dd268e8a7sergeyvvoid SkiaCanvas::drawBitmap(Bitmap& bitmap, float left, float top, const SkPaint* paint) { 544aed7f58fb05a25ce2112829e77c0eb5dd268e8a7sergeyv SkBitmap skBitmap; 545aed7f58fb05a25ce2112829e77c0eb5dd268e8a7sergeyv bitmap.getSkBitmap(&skBitmap); 546aed7f58fb05a25ce2112829e77c0eb5dd268e8a7sergeyv mCanvas->drawBitmap(skBitmap, left, top, paint); 5478872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5488872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 549fc9999505a36c66892d7ccce85187936105f4f36sergeyvvoid SkiaCanvas::drawBitmap(Bitmap& hwuiBitmap, const SkMatrix& matrix, const SkPaint* paint) { 550fc9999505a36c66892d7ccce85187936105f4f36sergeyv SkBitmap bitmap; 551fc9999505a36c66892d7ccce85187936105f4f36sergeyv hwuiBitmap.getSkBitmap(&bitmap); 5526acfe16b5650446dbdcce3bd779b52fb6533a41eMike Reed SkAutoCanvasRestore acr(mCanvas, true); 55370ffbf9e8288296ef7009c8297bcb6da6a7f73b2Mike Reed mCanvas->concat(matrix); 55470ffbf9e8288296ef7009c8297bcb6da6a7f73b2Mike Reed mCanvas->drawBitmap(bitmap, 0, 0, paint); 5558872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5568872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 557fc9999505a36c66892d7ccce85187936105f4f36sergeyvvoid SkiaCanvas::drawBitmap(Bitmap& hwuiBitmap, float srcLeft, float srcTop, 5588872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger float srcRight, float srcBottom, float dstLeft, float dstTop, 559acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger float dstRight, float dstBottom, const SkPaint* paint) { 560fc9999505a36c66892d7ccce85187936105f4f36sergeyv SkBitmap bitmap; 561fc9999505a36c66892d7ccce85187936105f4f36sergeyv hwuiBitmap.getSkBitmap(&bitmap); 5628872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect srcRect = SkRect::MakeLTRB(srcLeft, srcTop, srcRight, srcBottom); 5638872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect dstRect = SkRect::MakeLTRB(dstLeft, dstTop, dstRight, dstBottom); 564f35b989d26bb98900f6c5fa2e586326b30b6e161Leon Scroggins III mCanvas->drawBitmapRect(bitmap, srcRect, dstRect, paint); 5658872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5668872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5675fd2a1cb2726afa7d40fe4750e9defd89c24ed37sergeyvvoid SkiaCanvas::drawBitmapMesh(Bitmap& hwuiBitmap, int meshWidth, int meshHeight, 568acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger const float* vertices, const int* colors, const SkPaint* paint) { 5695fd2a1cb2726afa7d40fe4750e9defd89c24ed37sergeyv SkBitmap bitmap; 5705fd2a1cb2726afa7d40fe4750e9defd89c24ed37sergeyv hwuiBitmap.getSkBitmap(&bitmap); 5718872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const int ptCount = (meshWidth + 1) * (meshHeight + 1); 5728872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const int indexCount = meshWidth * meshHeight * 6; 5738872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5748872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger /* Our temp storage holds 2 or 3 arrays. 5758872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger texture points [ptCount * sizeof(SkPoint)] 5768872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger optionally vertex points [ptCount * sizeof(SkPoint)] if we need a 5778872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger copy to convert from float to fixed 5788872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger indices [ptCount * sizeof(uint16_t)] 5798872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger */ 5808872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger ssize_t storageSize = ptCount * sizeof(SkPoint); // texs[] 5818872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger storageSize += indexCount * sizeof(uint16_t); // indices[] 5828872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5838872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5848872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#ifndef SK_SCALAR_IS_FLOAT 5858872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkDEBUGFAIL("SkScalar must be a float for these conversions to be valid"); 5868872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#endif 5876bbf68d05a9deb335fc693b4a64651aea1b4e9e0Ben Wagner std::unique_ptr<char[]> storage(new char[storageSize]); 5888872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkPoint* texs = (SkPoint*)storage.get(); 5898872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger uint16_t* indices = (uint16_t*)(texs + ptCount); 5908872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5918872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // cons up texture coordinates and indices 5928872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger { 5938872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const SkScalar w = SkIntToScalar(bitmap.width()); 5948872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const SkScalar h = SkIntToScalar(bitmap.height()); 5958872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const SkScalar dx = w / meshWidth; 5968872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const SkScalar dy = h / meshHeight; 5978872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5988872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkPoint* texsPtr = texs; 5998872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkScalar y = 0; 6008872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int i = 0; i <= meshHeight; i++) { 6018872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (i == meshHeight) { 6028872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger y = h; // to ensure numerically we hit h exactly 6038872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 6048872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkScalar x = 0; 6058872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int j = 0; j < meshWidth; j++) { 6068872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger texsPtr->set(x, y); 6078872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger texsPtr += 1; 6088872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger x += dx; 6098872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 6108872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger texsPtr->set(w, y); 6118872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger texsPtr += 1; 6128872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger y += dy; 6138872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 6148872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkASSERT(texsPtr - texs == ptCount); 6158872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 6168872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6178872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // cons up indices 6188872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger { 6198872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger uint16_t* indexPtr = indices; 6208872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger int index = 0; 6218872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int i = 0; i < meshHeight; i++) { 6228872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int j = 0; j < meshWidth; j++) { 6238872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // lower-left triangle 6248872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index; 6258872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index + meshWidth + 1; 6268872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index + meshWidth + 2; 6278872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // upper-right triangle 6288872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index; 6298872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index + meshWidth + 2; 6308872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index + 1; 6318872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // bump to the next cell 6328872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger index += 1; 6338872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 6348872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // bump to the next row 6358872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger index += 1; 6368872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 6378872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkASSERT(indexPtr - indices == indexCount); 6388872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkASSERT((char*)indexPtr - (char*)storage.get() == storageSize); 6398872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 6408872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6418872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // double-check that we have legal indices 6428872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#ifdef SK_DEBUG 6438872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger { 6448872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int i = 0; i < indexCount; i++) { 6458872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkASSERT((unsigned)indices[i] < (unsigned)ptCount); 6468872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 6478872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 6488872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#endif 6498872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6508872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // cons-up a shader for the bitmap 651acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger SkPaint tmpPaint; 6528872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (paint) { 6538872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger tmpPaint = *paint; 6548872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 655f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 656f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev sk_sp<SkImage> image = SkMakeImageFromRasterBitmap(bitmap, kNever_SkCopyPixelsMode); 657f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev tmpPaint.setShader(image->makeShader(SkShader::kClamp_TileMode, SkShader::kClamp_TileMode)); 6588872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6598872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawVertices(SkCanvas::kTriangles_VertexMode, ptCount, (SkPoint*)vertices, 660c2f31df8b3b9a237e9abffc59c61804ad8495073Mike Reed texs, (const SkColor*)colors, indices, 6618872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger indexCount, tmpPaint); 6628872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 6638872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6645fd2a1cb2726afa7d40fe4750e9defd89c24ed37sergeyvvoid SkiaCanvas::drawNinePatch(Bitmap& hwuiBitmap, const Res_png_9patch& chunk, 665edca320a2b42011f98c308fdf25fc0494c6a5454Derek Sollenberger float dstLeft, float dstTop, float dstRight, float dstBottom, const SkPaint* paint) { 666f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 6675fd2a1cb2726afa7d40fe4750e9defd89c24ed37sergeyv SkBitmap bitmap; 6685fd2a1cb2726afa7d40fe4750e9defd89c24ed37sergeyv hwuiBitmap.getSkBitmap(&bitmap); 669f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 670f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkCanvas::Lattice lattice; 6717de73858975fc4dbccfa1c188f6d1a12d39ce2c5Matt Sarett NinePatchUtils::SetLatticeDivs(&lattice, chunk, bitmap.width(), bitmap.height()); 672f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 673f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev lattice.fFlags = nullptr; 674f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev int numFlags = 0; 675021693b967a2c5556dddd183eb0247df4079e1adStan Iliev if (chunk.numColors > 0 && chunk.numColors == NinePatchUtils::NumDistinctRects(lattice)) { 676f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // We can expect the framework to give us a color for every distinct rect. 677f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // Skia requires a flag for every rect. 678f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev numFlags = (lattice.fXCount + 1) * (lattice.fYCount + 1); 679f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev } 680f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 681f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkAutoSTMalloc<25, SkCanvas::Lattice::Flags> flags(numFlags); 682f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (numFlags > 0) { 683021693b967a2c5556dddd183eb0247df4079e1adStan Iliev NinePatchUtils::SetLatticeFlags(&lattice, flags.get(), numFlags, chunk); 684f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev } 685f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 686f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev lattice.fBounds = nullptr; 687f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkRect dst = SkRect::MakeLTRB(dstLeft, dstTop, dstRight, dstBottom); 688f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev mCanvas->drawBitmapLattice(bitmap, lattice, dst, paint); 689edca320a2b42011f98c308fdf25fc0494c6a5454Derek Sollenberger} 690edca320a2b42011f98c308fdf25fc0494c6a5454Derek Sollenberger 691766431aa57c16ece8842287a92b2e7208e3b8ac3Doris Liuvoid SkiaCanvas::drawVectorDrawable(VectorDrawableRoot* vectorDrawable) { 6921d8e194661085f9a18ab1b3cd12f9e19d3a86be5Doris Liu vectorDrawable->drawStaging(this); 693766431aa57c16ece8842287a92b2e7208e3b8ac3Doris Liu} 694766431aa57c16ece8842287a92b2e7208e3b8ac3Doris Liu 6958872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 6968872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas draw operations: Text 6978872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 6988872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 699dccca44ffda4836b56a21da95a046c9708ffd49csergeyvvoid SkiaCanvas::drawGlyphs(const uint16_t* text, const float* positions, int count, 700acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger const SkPaint& paint, float x, float y, 7018dfaa4904205772cdceee63ef3989bcdedf1a914Tom Hudson float boundsLeft, float boundsTop, float boundsRight, float boundsBottom, 7028dfaa4904205772cdceee63ef3989bcdedf1a914Tom Hudson float totalAdvance) { 703f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (!text || !positions || count <= 0 || PaintUtils::paintWillNotDrawText(paint)) return; 704f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // Set align to left for drawing, as we don't want individual 705f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // glyphs centered or right-aligned; the offset above takes 706f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // care of all alignment. 707f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkPaint paintCopy(paint); 708f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev paintCopy.setTextAlign(SkPaint::kLeft_Align); 709f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 710f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkRect bounds = SkRect::MakeLTRB(boundsLeft + x, boundsTop + y, 711f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev boundsRight + x, boundsBottom + y); 712f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 713f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkTextBlobBuilder builder; 714f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev const SkTextBlobBuilder::RunBuffer& buffer = builder.allocRunPos(paintCopy, count, &bounds); 715f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // TODO: we could reduce the number of memcpy's if the this were exposed further up 716f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // in the architecture. 717f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev memcpy(buffer.glyphs, text, count * sizeof(uint16_t)); 718f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev memcpy(buffer.pos, positions, (count << 1) * sizeof(float)); 719f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 720f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev sk_sp<SkTextBlob> textBlob(builder.make()); 721f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev mCanvas->drawTextBlob(textBlob, 0, 0, paintCopy); 722f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev drawTextDecorations(x, y, totalAdvance, paintCopy); 7238872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 7248872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 725afc221499d943386256feb9db46c119ff834bf79Yuqian Livoid SkiaCanvas::drawLayoutOnPath(const minikin::Layout& layout, float hOffset, float vOffset, 726afc221499d943386256feb9db46c119ff834bf79Yuqian Li const SkPaint& paint, const SkPath& path, size_t start, size_t end) { 727afc221499d943386256feb9db46c119ff834bf79Yuqian Li const int N = end - start; 728e547dd0b80b819bbd377bd7de228737b10570aa0Derek Sollenberger SkAutoSTMalloc<1024, uint8_t> storage(N * (sizeof(uint16_t) + sizeof(SkRSXform))); 729afc221499d943386256feb9db46c119ff834bf79Yuqian Li SkRSXform* xform = (SkRSXform*)storage.get(); 730afc221499d943386256feb9db46c119ff834bf79Yuqian Li uint16_t* glyphs = (uint16_t*)(xform + N); 731afc221499d943386256feb9db46c119ff834bf79Yuqian Li SkPathMeasure meas(path, false); 732afc221499d943386256feb9db46c119ff834bf79Yuqian Li 733afc221499d943386256feb9db46c119ff834bf79Yuqian Li for (size_t i = start; i < end; i++) { 734afc221499d943386256feb9db46c119ff834bf79Yuqian Li glyphs[i - start] = layout.getGlyphId(i); 735afc221499d943386256feb9db46c119ff834bf79Yuqian Li float x = hOffset + layout.getX(i); 736afc221499d943386256feb9db46c119ff834bf79Yuqian Li float y = vOffset + layout.getY(i); 737afc221499d943386256feb9db46c119ff834bf79Yuqian Li 738afc221499d943386256feb9db46c119ff834bf79Yuqian Li SkPoint pos; 739afc221499d943386256feb9db46c119ff834bf79Yuqian Li SkVector tan; 740afc221499d943386256feb9db46c119ff834bf79Yuqian Li if (!meas.getPosTan(x, &pos, &tan)) { 741afc221499d943386256feb9db46c119ff834bf79Yuqian Li pos.set(x, y); 742afc221499d943386256feb9db46c119ff834bf79Yuqian Li tan.set(1, 0); 743afc221499d943386256feb9db46c119ff834bf79Yuqian Li } 744afc221499d943386256feb9db46c119ff834bf79Yuqian Li xform[i - start].fSCos = tan.x(); 745afc221499d943386256feb9db46c119ff834bf79Yuqian Li xform[i - start].fSSin = tan.y(); 746afc221499d943386256feb9db46c119ff834bf79Yuqian Li xform[i - start].fTx = pos.x() - tan.y() * y; 747afc221499d943386256feb9db46c119ff834bf79Yuqian Li xform[i - start].fTy = pos.y() + tan.x() * y; 748afc221499d943386256feb9db46c119ff834bf79Yuqian Li } 749afc221499d943386256feb9db46c119ff834bf79Yuqian Li 750afc221499d943386256feb9db46c119ff834bf79Yuqian Li this->asSkCanvas()->drawTextRSXform(glyphs, sizeof(uint16_t) * N, xform, nullptr, paint); 7518872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 7528872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 7536f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// ---------------------------------------------------------------------------- 7546f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// Canvas draw operations: Animations 7556f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// ---------------------------------------------------------------------------- 7566f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 7576f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenbergervoid SkiaCanvas::drawRoundRect(uirenderer::CanvasPropertyPrimitive* left, 7586f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* top, uirenderer::CanvasPropertyPrimitive* right, 7596f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* bottom, uirenderer::CanvasPropertyPrimitive* rx, 7606f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* ry, uirenderer::CanvasPropertyPaint* paint) { 761021693b967a2c5556dddd183eb0247df4079e1adStan Iliev sk_sp<uirenderer::skiapipeline::AnimatedRoundRect> drawable( 762021693b967a2c5556dddd183eb0247df4079e1adStan Iliev new uirenderer::skiapipeline::AnimatedRoundRect(left, top, right, bottom, rx, ry, paint)); 7636f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger mCanvas->drawDrawable(drawable.get()); 7646f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger} 7656f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 7666f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenbergervoid SkiaCanvas::drawCircle(uirenderer::CanvasPropertyPrimitive* x, uirenderer::CanvasPropertyPrimitive* y, 7676f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* radius, uirenderer::CanvasPropertyPaint* paint) { 768021693b967a2c5556dddd183eb0247df4079e1adStan Iliev sk_sp<uirenderer::skiapipeline::AnimatedCircle> drawable(new uirenderer::skiapipeline::AnimatedCircle(x, y, radius, paint)); 7696f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger mCanvas->drawDrawable(drawable.get()); 7706f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger} 7716f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 7726f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// ---------------------------------------------------------------------------- 7736f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// Canvas draw operations: View System 7746f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// ---------------------------------------------------------------------------- 7756f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 776f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Ilievvoid SkiaCanvas::drawLayer(uirenderer::DeferredLayerUpdater* layerUpdater) { 777c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger LOG_ALWAYS_FATAL("SkiaCanvas can't directly draw Layers"); 778c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger} 7796f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 780c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenbergervoid SkiaCanvas::drawRenderNode(uirenderer::RenderNode* renderNode) { 781c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger LOG_ALWAYS_FATAL("SkiaCanvas can't directly draw RenderNodes"); 782c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger} 7836f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 784cd1c3eba69d044b551cededad75474038f919890John Reckvoid SkiaCanvas::callDrawGLFunction(Functor* functor, 785c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger uirenderer::GlFunctorLifecycleListener* listener) { 786c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger LOG_ALWAYS_FATAL("SkiaCanvas can't directly draw GL Content"); 787c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger} 7886f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 7898872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} // namespace android 790