SkiaCanvas.cpp revision 7de73858975fc4dbccfa1c188f6d1a12d39ce2c5
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" 248872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 256f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger#include <SkDrawable.h> 26849911a9c4315fc552faa38516c842b2541b1909John Reck#include <SkDevice.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) 54f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev : mCanvas(SkRef(canvas)) {} 55f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 56c1b33d665c8caf5760f68c45c6ca0baa649b832aJohn ReckSkiaCanvas::SkiaCanvas(const SkBitmap& bitmap) { 57c1b33d665c8caf5760f68c45c6ca0baa649b832aJohn Reck mCanvas.reset(new SkCanvas(bitmap)); 588872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 598872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 60c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenbergervoid SkiaCanvas::reset(SkCanvas* skiaCanvas) { 6186cbf883f6bded03841db3038e75d18afd5f6095Derek Sollenberger mCanvas.reset(SkRef(skiaCanvas)); 62c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger mSaveStack.reset(nullptr); 63c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger mHighContrastText = false; 64c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger} 65c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger 668872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 678872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas state operations: Replace Bitmap 688872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 698872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 708872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerclass ClipCopier : public SkCanvas::ClipVisitor { 718872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerpublic: 72c6baf563ba6aa207a48317c177b29f1d2b70cf3dChih-Hung Hsieh explicit ClipCopier(SkCanvas* dstCanvas) : m_dstCanvas(dstCanvas) {} 738872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 748872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger virtual void clipRect(const SkRect& rect, SkRegion::Op op, bool antialias) { 758872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger m_dstCanvas->clipRect(rect, op, antialias); 768872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 778872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger virtual void clipRRect(const SkRRect& rrect, SkRegion::Op op, bool antialias) { 788872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger m_dstCanvas->clipRRect(rrect, op, antialias); 798872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 808872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger virtual void clipPath(const SkPath& path, SkRegion::Op op, bool antialias) { 818872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger m_dstCanvas->clipPath(path, op, antialias); 828872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 838872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 848872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerprivate: 858872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkCanvas* m_dstCanvas; 868872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger}; 878872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 88c1b33d665c8caf5760f68c45c6ca0baa649b832aJohn Reckvoid SkiaCanvas::setBitmap(const SkBitmap& bitmap) { 89f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkCanvas* newCanvas = new SkCanvas(bitmap); 908872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 91c1b33d665c8caf5760f68c45c6ca0baa649b832aJohn Reck if (!bitmap.isNull()) { 928872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // Copy the canvas matrix & clip state. 938872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger newCanvas->setMatrix(mCanvas->getTotalMatrix()); 94f35b989d26bb98900f6c5fa2e586326b30b6e161Leon Scroggins III 95f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev ClipCopier copier(newCanvas); 96f35b989d26bb98900f6c5fa2e586326b30b6e161Leon Scroggins III mCanvas->replayClips(&copier); 978872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 988872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 998872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // unrefs the existing canvas 100f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev mCanvas.reset(newCanvas); 1018872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1028872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // clean up the old save stack 103f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev mSaveStack.reset(nullptr); 1048872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1058872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1068872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 1078872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas state operations 1088872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 1098872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1108872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerbool SkiaCanvas::isOpaque() { 111f35b989d26bb98900f6c5fa2e586326b30b6e161Leon Scroggins III return mCanvas->imageInfo().isOpaque(); 1128872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1138872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1148872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerint SkiaCanvas::width() { 115f35b989d26bb98900f6c5fa2e586326b30b6e161Leon Scroggins III return mCanvas->imageInfo().width(); 1168872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1178872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1188872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerint SkiaCanvas::height() { 119f35b989d26bb98900f6c5fa2e586326b30b6e161Leon Scroggins III return mCanvas->imageInfo().height(); 1208872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1218872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1228872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 1238872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas state operations: Save (layer) 1248872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 1258872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1268872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerint SkiaCanvas::getSaveCount() const { 1278872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return mCanvas->getSaveCount(); 1288872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1298872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 130eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malitaint SkiaCanvas::save(SaveFlags::Flags flags) { 1318872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger int count = mCanvas->save(); 1328872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger recordPartialSave(flags); 1338872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return count; 1348872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1358872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1365e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita// The SkiaCanvas::restore operation layers on the capability to preserve 1375e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita// either (or both) the matrix and/or clip state after a SkCanvas::restore 1385e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita// operation. It does this by explicitly saving off the clip & matrix state 1395e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita// when requested and playing it back after the SkCanvas::restore. 1408872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::restore() { 141f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev const auto* rec = this->currentSaveRec(); 142f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (!rec) { 1438872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // Fast path - no record for this frame. 1448872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->restore(); 1458872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return; 1468872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 1478872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 148eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita bool preserveMatrix = !(rec->saveFlags & SaveFlags::Matrix); 149eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita bool preserveClip = !(rec->saveFlags & SaveFlags::Clip); 1508872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1518872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkMatrix savedMatrix; 1528872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (preserveMatrix) { 1538872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger savedMatrix = mCanvas->getTotalMatrix(); 1548872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 1558872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 156f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev const size_t clipIndex = rec->clipIndex; 1578872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1588872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->restore(); 159f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev mSaveStack->pop_back(); 1608872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1618872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (preserveMatrix) { 1628872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->setMatrix(savedMatrix); 1638872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 1648872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 165f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (preserveClip) { 166f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev this->applyPersistentClips(clipIndex); 1678872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 1688872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1698872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1708872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::restoreToCount(int restoreCount) { 1718872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger while (mCanvas->getSaveCount() > restoreCount) { 1728872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger this->restore(); 1738872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 1748872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1758872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 176eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malitastatic inline SkCanvas::SaveLayerFlags layerFlags(SaveFlags::Flags flags) { 177eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita SkCanvas::SaveLayerFlags layerFlags = 0; 178eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita 17983427ff2224c89cc1a590ea609206c95c8ee039eYuqian Li // We intentionally ignore the SaveFlags::HasAlphaLayer and 18083427ff2224c89cc1a590ea609206c95c8ee039eYuqian Li // SkCanvas::kIsOpaque_SaveLayerFlag flags because HWUI ignores it 18183427ff2224c89cc1a590ea609206c95c8ee039eYuqian Li // and our Android client may use it incorrectly. 18283427ff2224c89cc1a590ea609206c95c8ee039eYuqian Li // In Skia, this flag is purely for performance optimization. 183eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita 184eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita if (!(flags & SaveFlags::ClipToLayer)) { 185eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita layerFlags |= SkCanvas::kDontClipToLayer_Legacy_SaveLayerFlag; 186eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita } 187eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita 188eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita return layerFlags; 189eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita} 190eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita 1918872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerint SkiaCanvas::saveLayer(float left, float top, float right, float bottom, 192eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita const SkPaint* paint, SaveFlags::Flags flags) { 193eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita const SkRect bounds = SkRect::MakeLTRB(left, top, right, bottom); 194eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita const SkCanvas::SaveLayerRec rec(&bounds, paint, layerFlags(flags)); 195eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita 196eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita int count = mCanvas->saveLayer(rec); 1978872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger recordPartialSave(flags); 1988872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return count; 1998872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2008872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2018872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerint SkiaCanvas::saveLayerAlpha(float left, float top, float right, float bottom, 202eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita int alpha, SaveFlags::Flags flags) { 203eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita if (static_cast<unsigned>(alpha) < 0xFF) { 204fd92ee4b731bee39f8b100cd138fb491de9d66eeYuqian Li SkPaint alphaPaint; 205fd92ee4b731bee39f8b100cd138fb491de9d66eeYuqian Li alphaPaint.setAlpha(alpha); 206fd92ee4b731bee39f8b100cd138fb491de9d66eeYuqian Li return this->saveLayer(left, top, right, bottom, &alphaPaint, flags); 207eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita } 208fd92ee4b731bee39f8b100cd138fb491de9d66eeYuqian Li return this->saveLayer(left, top, right, bottom, nullptr, flags); 2098872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2108872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 211f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Ilievclass SkiaCanvas::Clip { 212f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Ilievpublic: 213f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev Clip(const SkRect& rect, SkRegion::Op op, const SkMatrix& m) 214f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev : mType(Type::Rect), mOp(op), mMatrix(m), mRRect(SkRRect::MakeRect(rect)) {} 215f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev Clip(const SkRRect& rrect, SkRegion::Op op, const SkMatrix& m) 216f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev : mType(Type::RRect), mOp(op), mMatrix(m), mRRect(rrect) {} 217f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev Clip(const SkPath& path, SkRegion::Op op, const SkMatrix& m) 218f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev : mType(Type::Path), mOp(op), mMatrix(m), mPath(&path) {} 219f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 220f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev void apply(SkCanvas* canvas) const { 221f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev canvas->setMatrix(mMatrix); 222f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev switch (mType) { 223f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev case Type::Rect: 224f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev canvas->clipRect(mRRect.rect(), mOp); 225f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev break; 226f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev case Type::RRect: 227f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev canvas->clipRRect(mRRect, mOp); 228f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev break; 229f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev case Type::Path: 230f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev canvas->clipPath(*mPath.get(), mOp); 231f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev break; 232f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev } 233f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev } 234f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 235f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Ilievprivate: 236f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev enum class Type { 237f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev Rect, 238f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev RRect, 239f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev Path, 240f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev }; 241f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 242f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev Type mType; 243f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkRegion::Op mOp; 244f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkMatrix mMatrix; 245f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 246f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // These are logically a union (tracked separately due to non-POD path). 247f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkTLazy<SkPath> mPath; 248f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkRRect mRRect; 249f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev}; 250f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 251f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Ilievconst SkiaCanvas::SaveRec* SkiaCanvas::currentSaveRec() const { 252f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev const SaveRec* rec = mSaveStack 253f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev ? static_cast<const SaveRec*>(mSaveStack->back()) 254f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev : nullptr; 255f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev int currentSaveCount = mCanvas->getSaveCount(); 256f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkASSERT(!rec || currentSaveCount >= rec->saveCount); 257f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 258f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev return (rec && rec->saveCount == currentSaveCount) ? rec : nullptr; 259f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev} 260f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 2618872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 2628872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// functions to emulate legacy SaveFlags (i.e. independent matrix/clip flags) 2638872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 2648872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 265eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malitavoid SkiaCanvas::recordPartialSave(SaveFlags::Flags flags) { 2668872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // A partial save is a save operation which doesn't capture the full canvas state. 267eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita // (either SaveFlags::Matrix or SaveFlags::Clip is missing). 2688872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2698872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // Mask-out non canvas state bits. 270eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita flags &= SaveFlags::MatrixClip; 2718872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 272eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita if (flags == SaveFlags::MatrixClip) { 2738872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // not a partial save. 2748872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return; 2758872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 2768872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 277f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (!mSaveStack) { 278d1cbc1608906302130158acc4c72c82c89b49e10Ben Wagner mSaveStack.reset(new SkDeque(sizeof(struct SaveRec), 8)); 2798872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 2808872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2818872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SaveRec* rec = static_cast<SaveRec*>(mSaveStack->push_back()); 2825e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita rec->saveCount = mCanvas->getSaveCount(); 2838872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger rec->saveFlags = flags; 284f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev rec->clipIndex = mClipStack.size(); 2858872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2868872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 287f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Ilievtemplate <typename T> 288f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Ilievvoid SkiaCanvas::recordClip(const T& clip, SkRegion::Op op) { 289f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // Only need tracking when in a partial save frame which 290f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // doesn't restore the clip. 291f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev const SaveRec* rec = this->currentSaveRec(); 292f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (rec && !(rec->saveFlags & SaveFlags::Clip)) { 293f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev mClipStack.emplace_back(clip, op, mCanvas->getTotalMatrix()); 2948872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 2958872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2968872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 297f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev// Applies and optionally removes all clips >= index. 298f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Ilievvoid SkiaCanvas::applyPersistentClips(size_t clipStartIndex) { 299f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkASSERT(clipStartIndex <= mClipStack.size()); 300f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev const auto begin = mClipStack.cbegin() + clipStartIndex; 301f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev const auto end = mClipStack.cend(); 3028872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 303f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // Clip application mutates the CTM. 304f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev const SkMatrix saveMatrix = mCanvas->getTotalMatrix(); 3058872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 306f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev for (auto clip = begin; clip != end; ++clip) { 307f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev clip->apply(mCanvas.get()); 3088872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3098872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 310f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev mCanvas->setMatrix(saveMatrix); 311f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 312f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // If the current/post-restore save rec is also persisting clips, we 313f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // leave them on the stack to be reapplied part of the next restore(). 314f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // Otherwise we're done and just pop them. 315f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev const auto* rec = this->currentSaveRec(); 316f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (!rec || (rec->saveFlags & SaveFlags::Clip)) { 317f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev mClipStack.erase(begin, end); 318f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev } 3198872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3208872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3218872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 3228872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas state operations: Matrix 3238872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 3248872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3258872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::getMatrix(SkMatrix* outMatrix) const { 3268872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *outMatrix = mCanvas->getTotalMatrix(); 3278872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3288872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3298872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::setMatrix(const SkMatrix& matrix) { 3308872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->setMatrix(matrix); 3318872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3328872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3338872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::concat(const SkMatrix& matrix) { 3348872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->concat(matrix); 3358872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3368872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3378872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::rotate(float degrees) { 3388872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->rotate(degrees); 3398872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3408872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3418872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::scale(float sx, float sy) { 3428872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->scale(sx, sy); 3438872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3448872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3458872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::skew(float sx, float sy) { 3468872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->skew(sx, sy); 3478872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3488872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3498872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::translate(float dx, float dy) { 3508872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->translate(dx, dy); 3518872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3528872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3538872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 3548872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas state operations: Clips 3558872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 3568872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3578872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// This function is a mirror of SkCanvas::getClipBounds except that it does 3588872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// not outset the edge of the clip to account for anti-aliasing. There is 3598872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// a skia bug to investigate pushing this logic into back into skia. 3608872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// (see https://code.google.com/p/skia/issues/detail?id=1303) 3618872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerbool SkiaCanvas::getClipBounds(SkRect* outRect) const { 3628872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkIRect ibounds; 3638872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (!mCanvas->getClipDeviceBounds(&ibounds)) { 3648872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return false; 3658872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3668872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3678872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkMatrix inverse; 3688872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // if we can't invert the CTM, we can't return local clip bounds 3698872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (!mCanvas->getTotalMatrix().invert(&inverse)) { 3708872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (outRect) { 3718872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger outRect->setEmpty(); 3728872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3738872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return false; 3748872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3758872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3768872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (NULL != outRect) { 3778872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect r = SkRect::Make(ibounds); 3788872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger inverse.mapRect(outRect, r); 3798872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3808872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return true; 3818872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3828872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3838872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerbool SkiaCanvas::quickRejectRect(float left, float top, float right, float bottom) const { 3848872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect bounds = SkRect::MakeLTRB(left, top, right, bottom); 3858872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return mCanvas->quickReject(bounds); 3868872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3878872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3888872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerbool SkiaCanvas::quickRejectPath(const SkPath& path) const { 3898872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return mCanvas->quickReject(path); 3908872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3918872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3928872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerbool SkiaCanvas::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 3938872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 394f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev this->recordClip(rect, op); 3958872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->clipRect(rect, op); 3965ec6a2878b2ad933c5da6fe2341c854155acc24cChris Craik return !mCanvas->isClipEmpty(); 3978872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3988872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3998872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerbool SkiaCanvas::clipPath(const SkPath* path, SkRegion::Op op) { 400c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger SkRRect roundRect; 401c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger if (path->isRRect(&roundRect)) { 402f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev this->recordClip(roundRect, op); 403c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger mCanvas->clipRRect(roundRect, op); 404c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger } else { 405f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev this->recordClip(*path, op); 406c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger mCanvas->clipPath(*path, op); 407c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger } 4085ec6a2878b2ad933c5da6fe2341c854155acc24cChris Craik return !mCanvas->isClipEmpty(); 4098872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4108872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4118872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerbool SkiaCanvas::clipRegion(const SkRegion* region, SkRegion::Op op) { 4128872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkPath rgnPath; 4138872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (region->getBoundaryPath(&rgnPath)) { 4148872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // The region is specified in device space. 4158872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkMatrix savedMatrix = mCanvas->getTotalMatrix(); 4168872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->resetMatrix(); 417f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev this->recordClip(rgnPath, op); 4188872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->clipPath(rgnPath, op); 4198872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->setMatrix(savedMatrix); 4208872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } else { 421f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev const auto emptyClip = SkRect::MakeEmpty(); 422f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev this->recordClip(emptyClip, op); 423f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev mCanvas->clipRect(emptyClip, op); 4248872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 4255ec6a2878b2ad933c5da6fe2341c854155acc24cChris Craik return !mCanvas->isClipEmpty(); 4268872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4278872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4288872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 4298872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas state operations: Filters 4308872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 4318872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 432acb4099deff72c2c631f7110a405a3331d3e8b27Derek SollenbergerSkDrawFilter* SkiaCanvas::getDrawFilter() { 433acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger return mCanvas->getDrawFilter(); 434acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger} 435acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger 4368872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::setDrawFilter(SkDrawFilter* drawFilter) { 4378872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->setDrawFilter(drawFilter); 4388872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4398872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4408872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 4418872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas draw operations 4428872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 4438872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 444260ab726486317496bc12a57d599ea96dcde3284Mike Reedvoid SkiaCanvas::drawColor(int color, SkBlendMode mode) { 4458872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawColor(color, mode); 4468872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4478872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 448acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawPaint(const SkPaint& paint) { 4498872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawPaint(paint); 4508872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4518872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4528872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 4538872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas draw operations: Geometry 4548872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 4558872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 456acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawPoints(const float* points, int count, const SkPaint& paint, 4578872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkCanvas::PointMode mode) { 458f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (CC_UNLIKELY(count < 2 || PaintUtils::paintWillNotDraw(paint))) return; 4598872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // convert the floats into SkPoints 4608872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger count >>= 1; // now it is the number of points 4616bbf68d05a9deb335fc693b4a64651aea1b4e9e0Ben Wagner std::unique_ptr<SkPoint[]> pts(new SkPoint[count]); 4628872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int i = 0; i < count; i++) { 4638872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger pts[i].set(points[0], points[1]); 4648872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger points += 2; 4658872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 4666bbf68d05a9deb335fc693b4a64651aea1b4e9e0Ben Wagner mCanvas->drawPoints(mode, count, pts.get(), paint); 4678872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4688872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4698872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 470acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawPoint(float x, float y, const SkPaint& paint) { 4718872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawPoint(x, y, paint); 4728872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4738872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 474acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawPoints(const float* points, int count, const SkPaint& paint) { 4758872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger this->drawPoints(points, count, paint, SkCanvas::kPoints_PointMode); 4768872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4778872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4788872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::drawLine(float startX, float startY, float stopX, float stopY, 479acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger const SkPaint& paint) { 4808872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawLine(startX, startY, stopX, stopY, paint); 4818872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4828872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 483acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawLines(const float* points, int count, const SkPaint& paint) { 484f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (CC_UNLIKELY(count < 4 || PaintUtils::paintWillNotDraw(paint))) return; 4858872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger this->drawPoints(points, count, paint, SkCanvas::kLines_PointMode); 4868872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4878872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4888872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::drawRect(float left, float top, float right, float bottom, 489acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger const SkPaint& paint) { 490f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (CC_UNLIKELY(PaintUtils::paintWillNotDraw(paint))) return; 4918872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawRectCoords(left, top, right, bottom, paint); 4928872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4938872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4948872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 49594394b3fb048d5349a77b57950ab7f6b6e92ce34Derek Sollenbergervoid SkiaCanvas::drawRegion(const SkRegion& region, const SkPaint& paint) { 496f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (CC_UNLIKELY(PaintUtils::paintWillNotDraw(paint))) return; 497f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev mCanvas->drawRegion(region, paint); 49894394b3fb048d5349a77b57950ab7f6b6e92ce34Derek Sollenberger} 49994394b3fb048d5349a77b57950ab7f6b6e92ce34Derek Sollenberger 5008872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::drawRoundRect(float left, float top, float right, float bottom, 501acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger float rx, float ry, const SkPaint& paint) { 502f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (CC_UNLIKELY(PaintUtils::paintWillNotDraw(paint))) return; 5038872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 5048872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawRoundRect(rect, rx, ry, paint); 5058872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5068872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 507acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawCircle(float x, float y, float radius, const SkPaint& paint) { 508f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (CC_UNLIKELY(radius <= 0 || PaintUtils::paintWillNotDraw(paint))) return; 5098872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawCircle(x, y, radius, paint); 5108872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5118872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 512acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawOval(float left, float top, float right, float bottom, const SkPaint& paint) { 513f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (CC_UNLIKELY(PaintUtils::paintWillNotDraw(paint))) return; 5148872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect oval = SkRect::MakeLTRB(left, top, right, bottom); 5158872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawOval(oval, paint); 5168872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5178872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5188872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::drawArc(float left, float top, float right, float bottom, 519acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger float startAngle, float sweepAngle, bool useCenter, const SkPaint& paint) { 520f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (CC_UNLIKELY(PaintUtils::paintWillNotDraw(paint))) return; 5218872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect arc = SkRect::MakeLTRB(left, top, right, bottom); 5228872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawArc(arc, startAngle, sweepAngle, useCenter, paint); 5238872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5248872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 525acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawPath(const SkPath& path, const SkPaint& paint) { 526f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (CC_UNLIKELY(PaintUtils::paintWillNotDraw(paint))) return; 527c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger SkRect rect; 528c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger SkRRect roundRect; 529c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger if (path.isOval(&rect)) { 530c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger mCanvas->drawOval(rect, paint); 531c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger } else if (path.isRRect(&roundRect)) { 532c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger mCanvas->drawRRect(roundRect, paint); 533c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger } else { 534c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger mCanvas->drawPath(path, paint); 535c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger } 5368872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5378872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5388872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::drawVertices(SkCanvas::VertexMode vertexMode, int vertexCount, 5398872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const float* verts, const float* texs, const int* colors, 540acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger const uint16_t* indices, int indexCount, const SkPaint& paint) { 5418872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#ifndef SK_SCALAR_IS_FLOAT 5428872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkDEBUGFAIL("SkScalar must be a float for these conversions to be valid"); 5438872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#endif 5448872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const int ptCount = vertexCount >> 1; 5458872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawVertices(vertexMode, ptCount, (SkPoint*)verts, (SkPoint*)texs, 5468872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger (SkColor*)colors, NULL, indices, indexCount, paint); 5478872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5488872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5498872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 5508872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas draw operations: Bitmaps 5518872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 5528872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 553aed7f58fb05a25ce2112829e77c0eb5dd268e8a7sergeyvvoid SkiaCanvas::drawBitmap(Bitmap& bitmap, float left, float top, const SkPaint* paint) { 554aed7f58fb05a25ce2112829e77c0eb5dd268e8a7sergeyv SkBitmap skBitmap; 555aed7f58fb05a25ce2112829e77c0eb5dd268e8a7sergeyv bitmap.getSkBitmap(&skBitmap); 556aed7f58fb05a25ce2112829e77c0eb5dd268e8a7sergeyv mCanvas->drawBitmap(skBitmap, left, top, paint); 5578872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5588872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 559fc9999505a36c66892d7ccce85187936105f4f36sergeyvvoid SkiaCanvas::drawBitmap(Bitmap& hwuiBitmap, const SkMatrix& matrix, const SkPaint* paint) { 560fc9999505a36c66892d7ccce85187936105f4f36sergeyv SkBitmap bitmap; 561fc9999505a36c66892d7ccce85187936105f4f36sergeyv hwuiBitmap.getSkBitmap(&bitmap); 562c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger SkAutoCanvasRestore acr(mCanvas.get(), true); 56370ffbf9e8288296ef7009c8297bcb6da6a7f73b2Mike Reed mCanvas->concat(matrix); 56470ffbf9e8288296ef7009c8297bcb6da6a7f73b2Mike Reed mCanvas->drawBitmap(bitmap, 0, 0, paint); 5658872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5668872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 567fc9999505a36c66892d7ccce85187936105f4f36sergeyvvoid SkiaCanvas::drawBitmap(Bitmap& hwuiBitmap, float srcLeft, float srcTop, 5688872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger float srcRight, float srcBottom, float dstLeft, float dstTop, 569acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger float dstRight, float dstBottom, const SkPaint* paint) { 570fc9999505a36c66892d7ccce85187936105f4f36sergeyv SkBitmap bitmap; 571fc9999505a36c66892d7ccce85187936105f4f36sergeyv hwuiBitmap.getSkBitmap(&bitmap); 5728872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect srcRect = SkRect::MakeLTRB(srcLeft, srcTop, srcRight, srcBottom); 5738872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect dstRect = SkRect::MakeLTRB(dstLeft, dstTop, dstRight, dstBottom); 574f35b989d26bb98900f6c5fa2e586326b30b6e161Leon Scroggins III mCanvas->drawBitmapRect(bitmap, srcRect, dstRect, paint); 5758872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5768872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5775fd2a1cb2726afa7d40fe4750e9defd89c24ed37sergeyvvoid SkiaCanvas::drawBitmapMesh(Bitmap& hwuiBitmap, int meshWidth, int meshHeight, 578acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger const float* vertices, const int* colors, const SkPaint* paint) { 5795fd2a1cb2726afa7d40fe4750e9defd89c24ed37sergeyv SkBitmap bitmap; 5805fd2a1cb2726afa7d40fe4750e9defd89c24ed37sergeyv hwuiBitmap.getSkBitmap(&bitmap); 5818872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const int ptCount = (meshWidth + 1) * (meshHeight + 1); 5828872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const int indexCount = meshWidth * meshHeight * 6; 5838872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5848872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger /* Our temp storage holds 2 or 3 arrays. 5858872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger texture points [ptCount * sizeof(SkPoint)] 5868872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger optionally vertex points [ptCount * sizeof(SkPoint)] if we need a 5878872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger copy to convert from float to fixed 5888872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger indices [ptCount * sizeof(uint16_t)] 5898872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger */ 5908872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger ssize_t storageSize = ptCount * sizeof(SkPoint); // texs[] 5918872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger storageSize += indexCount * sizeof(uint16_t); // indices[] 5928872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5938872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5948872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#ifndef SK_SCALAR_IS_FLOAT 5958872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkDEBUGFAIL("SkScalar must be a float for these conversions to be valid"); 5968872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#endif 5976bbf68d05a9deb335fc693b4a64651aea1b4e9e0Ben Wagner std::unique_ptr<char[]> storage(new char[storageSize]); 5988872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkPoint* texs = (SkPoint*)storage.get(); 5998872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger uint16_t* indices = (uint16_t*)(texs + ptCount); 6008872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6018872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // cons up texture coordinates and indices 6028872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger { 6038872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const SkScalar w = SkIntToScalar(bitmap.width()); 6048872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const SkScalar h = SkIntToScalar(bitmap.height()); 6058872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const SkScalar dx = w / meshWidth; 6068872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const SkScalar dy = h / meshHeight; 6078872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6088872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkPoint* texsPtr = texs; 6098872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkScalar y = 0; 6108872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int i = 0; i <= meshHeight; i++) { 6118872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (i == meshHeight) { 6128872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger y = h; // to ensure numerically we hit h exactly 6138872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 6148872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkScalar x = 0; 6158872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int j = 0; j < meshWidth; j++) { 6168872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger texsPtr->set(x, y); 6178872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger texsPtr += 1; 6188872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger x += dx; 6198872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 6208872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger texsPtr->set(w, y); 6218872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger texsPtr += 1; 6228872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger y += dy; 6238872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 6248872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkASSERT(texsPtr - texs == ptCount); 6258872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 6268872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6278872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // cons up indices 6288872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger { 6298872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger uint16_t* indexPtr = indices; 6308872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger int index = 0; 6318872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int i = 0; i < meshHeight; i++) { 6328872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int j = 0; j < meshWidth; j++) { 6338872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // lower-left triangle 6348872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index; 6358872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index + meshWidth + 1; 6368872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index + meshWidth + 2; 6378872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // upper-right triangle 6388872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index; 6398872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index + meshWidth + 2; 6408872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index + 1; 6418872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // bump to the next cell 6428872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger index += 1; 6438872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 6448872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // bump to the next row 6458872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger index += 1; 6468872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 6478872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkASSERT(indexPtr - indices == indexCount); 6488872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkASSERT((char*)indexPtr - (char*)storage.get() == storageSize); 6498872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 6508872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6518872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // double-check that we have legal indices 6528872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#ifdef SK_DEBUG 6538872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger { 6548872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int i = 0; i < indexCount; i++) { 6558872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkASSERT((unsigned)indices[i] < (unsigned)ptCount); 6568872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 6578872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 6588872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#endif 6598872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6608872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // cons-up a shader for the bitmap 661acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger SkPaint tmpPaint; 6628872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (paint) { 6638872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger tmpPaint = *paint; 6648872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 665f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 666f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev sk_sp<SkImage> image = SkMakeImageFromRasterBitmap(bitmap, kNever_SkCopyPixelsMode); 667f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev tmpPaint.setShader(image->makeShader(SkShader::kClamp_TileMode, SkShader::kClamp_TileMode)); 6688872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6698872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawVertices(SkCanvas::kTriangles_VertexMode, ptCount, (SkPoint*)vertices, 6708872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger texs, (const SkColor*)colors, NULL, indices, 6718872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger indexCount, tmpPaint); 6728872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 6738872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 674f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Ilievstatic inline int num_distinct_rects(const SkCanvas::Lattice& lattice) { 675f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev int xRects; 676f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (lattice.fXCount > 0) { 677f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev xRects = (0 == lattice.fXDivs[0]) ? lattice.fXCount : lattice.fXCount + 1; 678f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev } else { 679f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev xRects = 1; 680f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev } 681f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 682f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev int yRects; 683f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (lattice.fYCount > 0) { 684f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev yRects = (0 == lattice.fYDivs[0]) ? lattice.fYCount : lattice.fYCount + 1; 685f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev } else { 686f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev yRects = 1; 687f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev } 688f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev return xRects * yRects; 689f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev} 690f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 691f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Ilievstatic inline void set_lattice_flags(SkCanvas::Lattice* lattice, SkCanvas::Lattice::Flags* flags, 692f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev int numFlags, const Res_png_9patch& chunk) { 693f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev lattice->fFlags = flags; 694f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev sk_bzero(flags, numFlags * sizeof(SkCanvas::Lattice::Flags)); 695f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 696f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev bool needPadRow = lattice->fYCount > 0 && 0 == lattice->fYDivs[0]; 697f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev bool needPadCol = lattice->fXCount > 0 && 0 == lattice->fXDivs[0]; 698f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 699f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev int yCount = lattice->fYCount; 700f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (needPadRow) { 701f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // Skip flags for the degenerate first row of rects. 702f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev flags += lattice->fXCount + 1; 703f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev yCount--; 704f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev } 705f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 706f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev int i = 0; 707f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev bool setFlags = false; 708f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev for (int y = 0; y < yCount + 1; y++) { 709f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev for (int x = 0; x < lattice->fXCount + 1; x++) { 710f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (0 == x && needPadCol) { 711f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // First rect of each column is degenerate, skip the flag. 712f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev flags++; 713f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev continue; 714f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev } 715f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 716f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (0 == chunk.getColors()[i++]) { 717f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev *flags = SkCanvas::Lattice::kTransparent_Flags; 718f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev setFlags = true; 719f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev } 720f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 721f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev flags++; 722f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev } 723f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev } 724f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 725f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (!setFlags) { 726f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev lattice->fFlags = nullptr; 727f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev } 728f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev} 729f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 7305fd2a1cb2726afa7d40fe4750e9defd89c24ed37sergeyvvoid SkiaCanvas::drawNinePatch(Bitmap& hwuiBitmap, const Res_png_9patch& chunk, 731edca320a2b42011f98c308fdf25fc0494c6a5454Derek Sollenberger float dstLeft, float dstTop, float dstRight, float dstBottom, const SkPaint* paint) { 732f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 7335fd2a1cb2726afa7d40fe4750e9defd89c24ed37sergeyv SkBitmap bitmap; 7345fd2a1cb2726afa7d40fe4750e9defd89c24ed37sergeyv hwuiBitmap.getSkBitmap(&bitmap); 735f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 736f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkCanvas::Lattice lattice; 7377de73858975fc4dbccfa1c188f6d1a12d39ce2c5Matt Sarett NinePatchUtils::SetLatticeDivs(&lattice, chunk, bitmap.width(), bitmap.height()); 738f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 739f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev lattice.fFlags = nullptr; 740f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev int numFlags = 0; 741f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (chunk.numColors > 0 && chunk.numColors == num_distinct_rects(lattice)) { 742f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // We can expect the framework to give us a color for every distinct rect. 743f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // Skia requires a flag for every rect. 744f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev numFlags = (lattice.fXCount + 1) * (lattice.fYCount + 1); 745f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev } 746f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 747f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkAutoSTMalloc<25, SkCanvas::Lattice::Flags> flags(numFlags); 748f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (numFlags > 0) { 749f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev set_lattice_flags(&lattice, flags.get(), numFlags, chunk); 750f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev } 751f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 752f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev lattice.fBounds = nullptr; 753f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkRect dst = SkRect::MakeLTRB(dstLeft, dstTop, dstRight, dstBottom); 754f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev mCanvas->drawBitmapLattice(bitmap, lattice, dst, paint); 755edca320a2b42011f98c308fdf25fc0494c6a5454Derek Sollenberger} 756edca320a2b42011f98c308fdf25fc0494c6a5454Derek Sollenberger 757766431aa57c16ece8842287a92b2e7208e3b8ac3Doris Liuvoid SkiaCanvas::drawVectorDrawable(VectorDrawableRoot* vectorDrawable) { 7581d8e194661085f9a18ab1b3cd12f9e19d3a86be5Doris Liu vectorDrawable->drawStaging(this); 759766431aa57c16ece8842287a92b2e7208e3b8ac3Doris Liu} 760766431aa57c16ece8842287a92b2e7208e3b8ac3Doris Liu 7618872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 7628872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas draw operations: Text 7638872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 7648872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 765dccca44ffda4836b56a21da95a046c9708ffd49csergeyvvoid SkiaCanvas::drawGlyphs(const uint16_t* text, const float* positions, int count, 766acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger const SkPaint& paint, float x, float y, 7678dfaa4904205772cdceee63ef3989bcdedf1a914Tom Hudson float boundsLeft, float boundsTop, float boundsRight, float boundsBottom, 7688dfaa4904205772cdceee63ef3989bcdedf1a914Tom Hudson float totalAdvance) { 769f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (!text || !positions || count <= 0 || PaintUtils::paintWillNotDrawText(paint)) return; 770f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // Set align to left for drawing, as we don't want individual 771f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // glyphs centered or right-aligned; the offset above takes 772f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // care of all alignment. 773f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkPaint paintCopy(paint); 774f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev paintCopy.setTextAlign(SkPaint::kLeft_Align); 775f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 776f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkRect bounds = SkRect::MakeLTRB(boundsLeft + x, boundsTop + y, 777f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev boundsRight + x, boundsBottom + y); 778f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 779f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkTextBlobBuilder builder; 780f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev const SkTextBlobBuilder::RunBuffer& buffer = builder.allocRunPos(paintCopy, count, &bounds); 781f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // TODO: we could reduce the number of memcpy's if the this were exposed further up 782f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // in the architecture. 783f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev memcpy(buffer.glyphs, text, count * sizeof(uint16_t)); 784f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev memcpy(buffer.pos, positions, (count << 1) * sizeof(float)); 785f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 786f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev sk_sp<SkTextBlob> textBlob(builder.make()); 787f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev mCanvas->drawTextBlob(textBlob, 0, 0, paintCopy); 788f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev drawTextDecorations(x, y, totalAdvance, paintCopy); 7898872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 7908872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 791afc221499d943386256feb9db46c119ff834bf79Yuqian Livoid SkiaCanvas::drawLayoutOnPath(const minikin::Layout& layout, float hOffset, float vOffset, 792afc221499d943386256feb9db46c119ff834bf79Yuqian Li const SkPaint& paint, const SkPath& path, size_t start, size_t end) { 793afc221499d943386256feb9db46c119ff834bf79Yuqian Li const int N = end - start; 794afc221499d943386256feb9db46c119ff834bf79Yuqian Li SkAutoSMalloc<1024> storage(N * (sizeof(uint16_t) + sizeof(SkRSXform))); 795afc221499d943386256feb9db46c119ff834bf79Yuqian Li SkRSXform* xform = (SkRSXform*)storage.get(); 796afc221499d943386256feb9db46c119ff834bf79Yuqian Li uint16_t* glyphs = (uint16_t*)(xform + N); 797afc221499d943386256feb9db46c119ff834bf79Yuqian Li SkPathMeasure meas(path, false); 798afc221499d943386256feb9db46c119ff834bf79Yuqian Li 799afc221499d943386256feb9db46c119ff834bf79Yuqian Li for (size_t i = start; i < end; i++) { 800afc221499d943386256feb9db46c119ff834bf79Yuqian Li glyphs[i - start] = layout.getGlyphId(i); 801afc221499d943386256feb9db46c119ff834bf79Yuqian Li float x = hOffset + layout.getX(i); 802afc221499d943386256feb9db46c119ff834bf79Yuqian Li float y = vOffset + layout.getY(i); 803afc221499d943386256feb9db46c119ff834bf79Yuqian Li 804afc221499d943386256feb9db46c119ff834bf79Yuqian Li SkPoint pos; 805afc221499d943386256feb9db46c119ff834bf79Yuqian Li SkVector tan; 806afc221499d943386256feb9db46c119ff834bf79Yuqian Li if (!meas.getPosTan(x, &pos, &tan)) { 807afc221499d943386256feb9db46c119ff834bf79Yuqian Li pos.set(x, y); 808afc221499d943386256feb9db46c119ff834bf79Yuqian Li tan.set(1, 0); 809afc221499d943386256feb9db46c119ff834bf79Yuqian Li } 810afc221499d943386256feb9db46c119ff834bf79Yuqian Li xform[i - start].fSCos = tan.x(); 811afc221499d943386256feb9db46c119ff834bf79Yuqian Li xform[i - start].fSSin = tan.y(); 812afc221499d943386256feb9db46c119ff834bf79Yuqian Li xform[i - start].fTx = pos.x() - tan.y() * y; 813afc221499d943386256feb9db46c119ff834bf79Yuqian Li xform[i - start].fTy = pos.y() + tan.x() * y; 814afc221499d943386256feb9db46c119ff834bf79Yuqian Li } 815afc221499d943386256feb9db46c119ff834bf79Yuqian Li 816afc221499d943386256feb9db46c119ff834bf79Yuqian Li this->asSkCanvas()->drawTextRSXform(glyphs, sizeof(uint16_t) * N, xform, nullptr, paint); 8178872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 8188872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 8196f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// ---------------------------------------------------------------------------- 8206f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// Canvas draw operations: Animations 8216f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// ---------------------------------------------------------------------------- 8226f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 8236f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenbergerclass AnimatedRoundRect : public SkDrawable { 8246f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger public: 8256f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger AnimatedRoundRect(uirenderer::CanvasPropertyPrimitive* left, 8266f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* top, uirenderer::CanvasPropertyPrimitive* right, 8276f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* bottom, uirenderer::CanvasPropertyPrimitive* rx, 8286f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* ry, uirenderer::CanvasPropertyPaint* p) : 8296f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger mLeft(left), mTop(top), mRight(right), mBottom(bottom), mRx(rx), mRy(ry), mPaint(p) {} 8306f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 8316f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger protected: 8326f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger virtual SkRect onGetBounds() override { 8336f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger return SkRect::MakeLTRB(mLeft->value, mTop->value, mRight->value, mBottom->value); 8346f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger } 8356f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger virtual void onDraw(SkCanvas* canvas) override { 8366f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger SkRect rect = SkRect::MakeLTRB(mLeft->value, mTop->value, mRight->value, mBottom->value); 8376f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger canvas->drawRoundRect(rect, mRx->value, mRy->value, mPaint->value); 8386f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger } 8396f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 8406f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger private: 8416f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPrimitive> mLeft; 8426f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPrimitive> mTop; 8436f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPrimitive> mRight; 8446f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPrimitive> mBottom; 8456f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPrimitive> mRx; 8466f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPrimitive> mRy; 8476f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPaint> mPaint; 8486f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger}; 8496f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 8506f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenbergerclass AnimatedCircle : public SkDrawable { 8516f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger public: 8526f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger AnimatedCircle(uirenderer::CanvasPropertyPrimitive* x, uirenderer::CanvasPropertyPrimitive* y, 8536f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* radius, uirenderer::CanvasPropertyPaint* paint) : 8546f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger mX(x), mY(y), mRadius(radius), mPaint(paint) {} 8556f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 8566f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger protected: 8576f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger virtual SkRect onGetBounds() override { 8586f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger const float x = mX->value; 8596f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger const float y = mY->value; 8606f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger const float radius = mRadius->value; 8616f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger return SkRect::MakeLTRB(x - radius, y - radius, x + radius, y + radius); 8626f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger } 8636f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger virtual void onDraw(SkCanvas* canvas) override { 8646f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger canvas->drawCircle(mX->value, mY->value, mRadius->value, mPaint->value); 8656f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger } 8666f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 8676f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger private: 8686f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPrimitive> mX; 8696f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPrimitive> mY; 8706f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPrimitive> mRadius; 8716f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPaint> mPaint; 8726f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger}; 8736f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 8746f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenbergervoid SkiaCanvas::drawRoundRect(uirenderer::CanvasPropertyPrimitive* left, 8756f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* top, uirenderer::CanvasPropertyPrimitive* right, 8766f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* bottom, uirenderer::CanvasPropertyPrimitive* rx, 8776f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* ry, uirenderer::CanvasPropertyPaint* paint) { 878c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger sk_sp<AnimatedRoundRect> drawable( 8796f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger new AnimatedRoundRect(left, top, right, bottom, rx, ry, paint)); 8806f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger mCanvas->drawDrawable(drawable.get()); 8816f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger} 8826f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 8836f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenbergervoid SkiaCanvas::drawCircle(uirenderer::CanvasPropertyPrimitive* x, uirenderer::CanvasPropertyPrimitive* y, 8846f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* radius, uirenderer::CanvasPropertyPaint* paint) { 885c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger sk_sp<AnimatedCircle> drawable(new AnimatedCircle(x, y, radius, paint)); 8866f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger mCanvas->drawDrawable(drawable.get()); 8876f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger} 8886f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 8896f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// ---------------------------------------------------------------------------- 8906f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// Canvas draw operations: View System 8916f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// ---------------------------------------------------------------------------- 8926f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 893f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Ilievvoid SkiaCanvas::drawLayer(uirenderer::DeferredLayerUpdater* layerUpdater) { 894c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger LOG_ALWAYS_FATAL("SkiaCanvas can't directly draw Layers"); 895c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger} 8966f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 897c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenbergervoid SkiaCanvas::drawRenderNode(uirenderer::RenderNode* renderNode) { 898c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger LOG_ALWAYS_FATAL("SkiaCanvas can't directly draw RenderNodes"); 899c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger} 9006f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 901cd1c3eba69d044b551cededad75474038f919890John Reckvoid SkiaCanvas::callDrawGLFunction(Functor* functor, 902c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger uirenderer::GlFunctorLifecycleListener* listener) { 903c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger LOG_ALWAYS_FATAL("SkiaCanvas can't directly draw GL Content"); 904c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger} 9056f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 9068872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} // namespace android 907