SkiaCanvas.cpp revision 871cd2dd6074544bd41a84ff38255d81a392546a
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 764f641d1e4586b027969052cc0ad6b65c1158e72eTony Mantlerclass ClipCopier : public SkCanvas::ClipVisitor { 774f641d1e4586b027969052cc0ad6b65c1158e72eTony Mantlerpublic: 784f641d1e4586b027969052cc0ad6b65c1158e72eTony Mantler explicit ClipCopier(SkCanvas* dstCanvas) : m_dstCanvas(dstCanvas) {} 794f641d1e4586b027969052cc0ad6b65c1158e72eTony Mantler 804f641d1e4586b027969052cc0ad6b65c1158e72eTony Mantler virtual void clipRect(const SkRect& rect, SkClipOp op, bool antialias) { 814f641d1e4586b027969052cc0ad6b65c1158e72eTony Mantler m_dstCanvas->clipRect(rect, op, antialias); 824f641d1e4586b027969052cc0ad6b65c1158e72eTony Mantler } 834f641d1e4586b027969052cc0ad6b65c1158e72eTony Mantler virtual void clipRRect(const SkRRect& rrect, SkClipOp op, bool antialias) { 844f641d1e4586b027969052cc0ad6b65c1158e72eTony Mantler m_dstCanvas->clipRRect(rrect, op, antialias); 854f641d1e4586b027969052cc0ad6b65c1158e72eTony Mantler } 864f641d1e4586b027969052cc0ad6b65c1158e72eTony Mantler virtual void clipPath(const SkPath& path, SkClipOp op, bool antialias) { 874f641d1e4586b027969052cc0ad6b65c1158e72eTony Mantler m_dstCanvas->clipPath(path, op, antialias); 884f641d1e4586b027969052cc0ad6b65c1158e72eTony Mantler } 894f641d1e4586b027969052cc0ad6b65c1158e72eTony Mantler 904f641d1e4586b027969052cc0ad6b65c1158e72eTony Mantlerprivate: 914f641d1e4586b027969052cc0ad6b65c1158e72eTony Mantler SkCanvas* m_dstCanvas; 924f641d1e4586b027969052cc0ad6b65c1158e72eTony Mantler}; 934f641d1e4586b027969052cc0ad6b65c1158e72eTony Mantler 94c1b33d665c8caf5760f68c45c6ca0baa649b832aJohn Reckvoid SkiaCanvas::setBitmap(const SkBitmap& bitmap) { 954f641d1e4586b027969052cc0ad6b65c1158e72eTony Mantler SkCanvas* newCanvas = new SkCanvas(bitmap); 964f641d1e4586b027969052cc0ad6b65c1158e72eTony Mantler 974f641d1e4586b027969052cc0ad6b65c1158e72eTony Mantler if (!bitmap.isNull()) { 984f641d1e4586b027969052cc0ad6b65c1158e72eTony Mantler // Copy the canvas matrix & clip state. 994f641d1e4586b027969052cc0ad6b65c1158e72eTony Mantler newCanvas->setMatrix(mCanvas->getTotalMatrix()); 1004f641d1e4586b027969052cc0ad6b65c1158e72eTony Mantler 1014f641d1e4586b027969052cc0ad6b65c1158e72eTony Mantler ClipCopier copier(newCanvas); 1024f641d1e4586b027969052cc0ad6b65c1158e72eTony Mantler mCanvas->replayClips(&copier); 1034f641d1e4586b027969052cc0ad6b65c1158e72eTony Mantler } 1044f641d1e4586b027969052cc0ad6b65c1158e72eTony Mantler 1054f641d1e4586b027969052cc0ad6b65c1158e72eTony Mantler // deletes the previously owned canvas (if any) 1064f641d1e4586b027969052cc0ad6b65c1158e72eTony Mantler mCanvasOwned = std::unique_ptr<SkCanvas>(newCanvas); 1074f641d1e4586b027969052cc0ad6b65c1158e72eTony Mantler mCanvas = newCanvas; 1084f641d1e4586b027969052cc0ad6b65c1158e72eTony Mantler 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); 201b8201195dfb2bae05faaf91b9b3d065e2f199929Derek Sollenberger const SkCanvas::SaveLayerRec rec(&bounds, paint, layerFlags(flags)); 202eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita 20368885e38b86405b333e3f8fd4ff0a104889147c4Stan Iliev return mCanvas->saveLayer(rec); 2048872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2058872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2068872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerint SkiaCanvas::saveLayerAlpha(float left, float top, float right, float bottom, 207eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita int alpha, SaveFlags::Flags flags) { 208eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita if (static_cast<unsigned>(alpha) < 0xFF) { 209fd92ee4b731bee39f8b100cd138fb491de9d66eeYuqian Li SkPaint alphaPaint; 210fd92ee4b731bee39f8b100cd138fb491de9d66eeYuqian Li alphaPaint.setAlpha(alpha); 211fd92ee4b731bee39f8b100cd138fb491de9d66eeYuqian Li return this->saveLayer(left, top, right, bottom, &alphaPaint, flags); 212eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita } 213fd92ee4b731bee39f8b100cd138fb491de9d66eeYuqian Li return this->saveLayer(left, top, right, bottom, nullptr, flags); 2148872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2158872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 216f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Ilievclass SkiaCanvas::Clip { 217f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Ilievpublic: 2186e49c9f007c879f05b035c40c0ba543c00f9d0d0Mike Reed Clip(const SkRect& rect, SkClipOp op, const SkMatrix& m) 219f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev : mType(Type::Rect), mOp(op), mMatrix(m), mRRect(SkRRect::MakeRect(rect)) {} 2206e49c9f007c879f05b035c40c0ba543c00f9d0d0Mike Reed Clip(const SkRRect& rrect, SkClipOp op, const SkMatrix& m) 221f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev : mType(Type::RRect), mOp(op), mMatrix(m), mRRect(rrect) {} 2226e49c9f007c879f05b035c40c0ba543c00f9d0d0Mike Reed Clip(const SkPath& path, SkClipOp op, const SkMatrix& m) 223f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev : mType(Type::Path), mOp(op), mMatrix(m), mPath(&path) {} 224f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 225f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev void apply(SkCanvas* canvas) const { 226f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev canvas->setMatrix(mMatrix); 227f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev switch (mType) { 228f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev case Type::Rect: 229f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev canvas->clipRect(mRRect.rect(), mOp); 230f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev break; 231f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev case Type::RRect: 232f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev canvas->clipRRect(mRRect, mOp); 233f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev break; 234f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev case Type::Path: 235f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev canvas->clipPath(*mPath.get(), mOp); 236f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev break; 237f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev } 238f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev } 239f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 240f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Ilievprivate: 241f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev enum class Type { 242f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev Rect, 243f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev RRect, 244f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev Path, 245f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev }; 246f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 2476e49c9f007c879f05b035c40c0ba543c00f9d0d0Mike Reed Type mType; 2486e49c9f007c879f05b035c40c0ba543c00f9d0d0Mike Reed SkClipOp mOp; 2496e49c9f007c879f05b035c40c0ba543c00f9d0d0Mike Reed SkMatrix mMatrix; 250f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 251f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // These are logically a union (tracked separately due to non-POD path). 252f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkTLazy<SkPath> mPath; 253f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkRRect mRRect; 254f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev}; 255f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 256f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Ilievconst SkiaCanvas::SaveRec* SkiaCanvas::currentSaveRec() const { 257f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev const SaveRec* rec = mSaveStack 258f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev ? static_cast<const SaveRec*>(mSaveStack->back()) 259f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev : nullptr; 260f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev int currentSaveCount = mCanvas->getSaveCount(); 261f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkASSERT(!rec || currentSaveCount >= rec->saveCount); 262f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 263f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev return (rec && rec->saveCount == currentSaveCount) ? rec : nullptr; 264f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev} 265f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 2668872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 2678872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// functions to emulate legacy SaveFlags (i.e. independent matrix/clip flags) 2688872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 2698872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 270eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malitavoid SkiaCanvas::recordPartialSave(SaveFlags::Flags flags) { 2718872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // A partial save is a save operation which doesn't capture the full canvas state. 272eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita // (either SaveFlags::Matrix or SaveFlags::Clip is missing). 2738872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2748872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // Mask-out non canvas state bits. 275eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita flags &= SaveFlags::MatrixClip; 2768872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 277eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita if (flags == SaveFlags::MatrixClip) { 2788872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // not a partial save. 2798872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return; 2808872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 2818872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 282f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (!mSaveStack) { 283d1cbc1608906302130158acc4c72c82c89b49e10Ben Wagner mSaveStack.reset(new SkDeque(sizeof(struct SaveRec), 8)); 2848872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 2858872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2868872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SaveRec* rec = static_cast<SaveRec*>(mSaveStack->push_back()); 2875e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita rec->saveCount = mCanvas->getSaveCount(); 2888872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger rec->saveFlags = flags; 289f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev rec->clipIndex = mClipStack.size(); 2908872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2918872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 292f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Ilievtemplate <typename T> 2936e49c9f007c879f05b035c40c0ba543c00f9d0d0Mike Reedvoid SkiaCanvas::recordClip(const T& clip, SkClipOp op) { 294f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // Only need tracking when in a partial save frame which 295f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // doesn't restore the clip. 296f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev const SaveRec* rec = this->currentSaveRec(); 297f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (rec && !(rec->saveFlags & SaveFlags::Clip)) { 298f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev mClipStack.emplace_back(clip, op, mCanvas->getTotalMatrix()); 2998872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3008872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3018872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 302f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev// Applies and optionally removes all clips >= index. 303f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Ilievvoid SkiaCanvas::applyPersistentClips(size_t clipStartIndex) { 304f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkASSERT(clipStartIndex <= mClipStack.size()); 305f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev const auto begin = mClipStack.cbegin() + clipStartIndex; 306f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev const auto end = mClipStack.cend(); 3078872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 308f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // Clip application mutates the CTM. 309f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev const SkMatrix saveMatrix = mCanvas->getTotalMatrix(); 3108872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 311f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev for (auto clip = begin; clip != end; ++clip) { 3126acfe16b5650446dbdcce3bd779b52fb6533a41eMike Reed clip->apply(mCanvas); 3138872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3148872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 315f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev mCanvas->setMatrix(saveMatrix); 316f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 317f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // If the current/post-restore save rec is also persisting clips, we 318f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // leave them on the stack to be reapplied part of the next restore(). 319f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // Otherwise we're done and just pop them. 320f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev const auto* rec = this->currentSaveRec(); 321f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (!rec || (rec->saveFlags & SaveFlags::Clip)) { 322f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev mClipStack.erase(begin, end); 323f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev } 3248872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3258872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3268872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 3278872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas state operations: Matrix 3288872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 3298872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3308872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::getMatrix(SkMatrix* outMatrix) const { 3318872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *outMatrix = mCanvas->getTotalMatrix(); 3328872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3338872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3348872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::setMatrix(const SkMatrix& matrix) { 3358872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->setMatrix(matrix); 3368872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3378872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3388872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::concat(const SkMatrix& matrix) { 3398872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->concat(matrix); 3408872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3418872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3428872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::rotate(float degrees) { 3438872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->rotate(degrees); 3448872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3458872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3468872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::scale(float sx, float sy) { 3478872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->scale(sx, sy); 3488872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3498872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3508872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::skew(float sx, float sy) { 3518872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->skew(sx, sy); 3528872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3538872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3548872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::translate(float dx, float dy) { 3558872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->translate(dx, dy); 3568872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3578872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3588872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 3598872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas state operations: Clips 3608872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 3618872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3628872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// This function is a mirror of SkCanvas::getClipBounds except that it does 3638872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// not outset the edge of the clip to account for anti-aliasing. There is 3648872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// a skia bug to investigate pushing this logic into back into skia. 3658872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// (see https://code.google.com/p/skia/issues/detail?id=1303) 3668872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerbool SkiaCanvas::getClipBounds(SkRect* outRect) const { 3678872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkIRect ibounds; 3685e4389823191aafff7422561f134dbdb391e0a2dMike Reed if (!mCanvas->getDeviceClipBounds(&ibounds)) { 3698872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return false; 3708872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3718872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3728872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkMatrix inverse; 3738872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // if we can't invert the CTM, we can't return local clip bounds 3748872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (!mCanvas->getTotalMatrix().invert(&inverse)) { 3758872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (outRect) { 3768872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger outRect->setEmpty(); 3778872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3788872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return false; 3798872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3808872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3818872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (NULL != outRect) { 3828872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect r = SkRect::Make(ibounds); 3838872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger inverse.mapRect(outRect, r); 3848872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3858872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return true; 3868872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3878872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3888872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerbool SkiaCanvas::quickRejectRect(float left, float top, float right, float bottom) const { 3898872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect bounds = SkRect::MakeLTRB(left, top, right, bottom); 3908872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return mCanvas->quickReject(bounds); 3918872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3928872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3938872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerbool SkiaCanvas::quickRejectPath(const SkPath& path) const { 3948872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return mCanvas->quickReject(path); 3958872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3968872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3976e49c9f007c879f05b035c40c0ba543c00f9d0d0Mike Reedbool SkiaCanvas::clipRect(float left, float top, float right, float bottom, SkClipOp op) { 3988872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 399f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev this->recordClip(rect, op); 4008872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->clipRect(rect, op); 4015ec6a2878b2ad933c5da6fe2341c854155acc24cChris Craik return !mCanvas->isClipEmpty(); 4028872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4038872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4046e49c9f007c879f05b035c40c0ba543c00f9d0d0Mike Reedbool SkiaCanvas::clipPath(const SkPath* path, SkClipOp op) { 405c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger SkRRect roundRect; 406c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger if (path->isRRect(&roundRect)) { 407f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev this->recordClip(roundRect, op); 408c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger mCanvas->clipRRect(roundRect, op); 409c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger } else { 410f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev this->recordClip(*path, op); 411c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger mCanvas->clipPath(*path, op); 412c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger } 4135ec6a2878b2ad933c5da6fe2341c854155acc24cChris Craik return !mCanvas->isClipEmpty(); 4148872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4158872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4168872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 4178872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas state operations: Filters 4188872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 4198872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 420acb4099deff72c2c631f7110a405a3331d3e8b27Derek SollenbergerSkDrawFilter* SkiaCanvas::getDrawFilter() { 421acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger return mCanvas->getDrawFilter(); 422acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger} 423acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger 4248872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::setDrawFilter(SkDrawFilter* drawFilter) { 4258872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->setDrawFilter(drawFilter); 4268872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4278872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4288872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 4298872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas draw operations 4308872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 4318872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 432260ab726486317496bc12a57d599ea96dcde3284Mike Reedvoid SkiaCanvas::drawColor(int color, SkBlendMode mode) { 4338872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawColor(color, mode); 4348872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4358872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 436acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawPaint(const SkPaint& paint) { 4378872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawPaint(paint); 4388872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4398872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4408872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 4418872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas draw operations: Geometry 4428872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 4438872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 444acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawPoints(const float* points, int count, const SkPaint& paint, 4458872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkCanvas::PointMode mode) { 446792fb3252f6460acfd82c4e5d7536ca6b787a0e0Derek Sollenberger if (CC_UNLIKELY(count < 2 || paint.nothingToDraw())) return; 4478872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // convert the floats into SkPoints 4488872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger count >>= 1; // now it is the number of points 4496bbf68d05a9deb335fc693b4a64651aea1b4e9e0Ben Wagner std::unique_ptr<SkPoint[]> pts(new SkPoint[count]); 4508872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int i = 0; i < count; i++) { 4518872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger pts[i].set(points[0], points[1]); 4528872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger points += 2; 4538872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 4546bbf68d05a9deb335fc693b4a64651aea1b4e9e0Ben Wagner mCanvas->drawPoints(mode, count, pts.get(), paint); 4558872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4568872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4578872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 458acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawPoint(float x, float y, const SkPaint& paint) { 4598872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawPoint(x, y, paint); 4608872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4618872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 462acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawPoints(const float* points, int count, const SkPaint& paint) { 4638872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger this->drawPoints(points, count, paint, SkCanvas::kPoints_PointMode); 4648872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4658872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4668872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::drawLine(float startX, float startY, float stopX, float stopY, 467acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger const SkPaint& paint) { 4688872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawLine(startX, startY, stopX, stopY, paint); 4698872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4708872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 471acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawLines(const float* points, int count, const SkPaint& paint) { 472792fb3252f6460acfd82c4e5d7536ca6b787a0e0Derek Sollenberger if (CC_UNLIKELY(count < 4 || paint.nothingToDraw())) return; 4738872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger this->drawPoints(points, count, paint, SkCanvas::kLines_PointMode); 4748872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4758872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4768872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::drawRect(float left, float top, float right, float bottom, 477acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger const SkPaint& paint) { 478792fb3252f6460acfd82c4e5d7536ca6b787a0e0Derek Sollenberger if (CC_UNLIKELY(paint.nothingToDraw())) return; 4798872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawRectCoords(left, top, right, bottom, paint); 4808872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4818872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4828872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 48394394b3fb048d5349a77b57950ab7f6b6e92ce34Derek Sollenbergervoid SkiaCanvas::drawRegion(const SkRegion& region, const SkPaint& paint) { 484792fb3252f6460acfd82c4e5d7536ca6b787a0e0Derek Sollenberger if (CC_UNLIKELY(paint.nothingToDraw())) return; 485f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev mCanvas->drawRegion(region, paint); 48694394b3fb048d5349a77b57950ab7f6b6e92ce34Derek Sollenberger} 48794394b3fb048d5349a77b57950ab7f6b6e92ce34Derek Sollenberger 4888872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::drawRoundRect(float left, float top, float right, float bottom, 489acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger float rx, float ry, const SkPaint& paint) { 490792fb3252f6460acfd82c4e5d7536ca6b787a0e0Derek Sollenberger if (CC_UNLIKELY(paint.nothingToDraw())) return; 4918872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 4928872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawRoundRect(rect, rx, ry, paint); 4938872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4948872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 495acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawCircle(float x, float y, float radius, const SkPaint& paint) { 496792fb3252f6460acfd82c4e5d7536ca6b787a0e0Derek Sollenberger if (CC_UNLIKELY(radius <= 0 || paint.nothingToDraw())) return; 4978872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawCircle(x, y, radius, paint); 4988872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4998872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 500acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawOval(float left, float top, float right, float bottom, const SkPaint& paint) { 501792fb3252f6460acfd82c4e5d7536ca6b787a0e0Derek Sollenberger if (CC_UNLIKELY(paint.nothingToDraw())) return; 5028872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect oval = SkRect::MakeLTRB(left, top, right, bottom); 5038872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawOval(oval, paint); 5048872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5058872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5068872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::drawArc(float left, float top, float right, float bottom, 507acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger float startAngle, float sweepAngle, bool useCenter, const SkPaint& paint) { 508792fb3252f6460acfd82c4e5d7536ca6b787a0e0Derek Sollenberger if (CC_UNLIKELY(paint.nothingToDraw())) return; 5098872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect arc = SkRect::MakeLTRB(left, top, right, bottom); 5108872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawArc(arc, startAngle, sweepAngle, useCenter, paint); 5118872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5128872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 513acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawPath(const SkPath& path, const SkPaint& paint) { 514792fb3252f6460acfd82c4e5d7536ca6b787a0e0Derek Sollenberger if (CC_UNLIKELY(paint.nothingToDraw())) return; 515d7f13f84f8aefcad10ccb83aad794f1864623642Derek Sollenberger mCanvas->drawPath(path, paint); 5168872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5178872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5188872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::drawVertices(SkCanvas::VertexMode vertexMode, int vertexCount, 5198872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const float* verts, const float* texs, const int* colors, 520acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger const uint16_t* indices, int indexCount, const SkPaint& paint) { 5218872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#ifndef SK_SCALAR_IS_FLOAT 5228872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkDEBUGFAIL("SkScalar must be a float for these conversions to be valid"); 5238872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#endif 5248872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const int ptCount = vertexCount >> 1; 525871cd2dd6074544bd41a84ff38255d81a392546aMike Reed mCanvas->drawVertices(SkVertices::MakeCopy(vertexMode, ptCount, (SkPoint*)verts, 526871cd2dd6074544bd41a84ff38255d81a392546aMike Reed (SkPoint*)texs, (SkColor*)colors, 527871cd2dd6074544bd41a84ff38255d81a392546aMike Reed indexCount, indices), 528871cd2dd6074544bd41a84ff38255d81a392546aMike Reed SkBlendMode::kModulate, paint); 5298872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5308872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5318872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 5328872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas draw operations: Bitmaps 5338872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 5348872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 535aed7f58fb05a25ce2112829e77c0eb5dd268e8a7sergeyvvoid SkiaCanvas::drawBitmap(Bitmap& bitmap, float left, float top, const SkPaint* paint) { 536aed7f58fb05a25ce2112829e77c0eb5dd268e8a7sergeyv SkBitmap skBitmap; 537aed7f58fb05a25ce2112829e77c0eb5dd268e8a7sergeyv bitmap.getSkBitmap(&skBitmap); 538aed7f58fb05a25ce2112829e77c0eb5dd268e8a7sergeyv mCanvas->drawBitmap(skBitmap, left, top, paint); 5398872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5408872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 541fc9999505a36c66892d7ccce85187936105f4f36sergeyvvoid SkiaCanvas::drawBitmap(Bitmap& hwuiBitmap, const SkMatrix& matrix, const SkPaint* paint) { 542fc9999505a36c66892d7ccce85187936105f4f36sergeyv SkBitmap bitmap; 543fc9999505a36c66892d7ccce85187936105f4f36sergeyv hwuiBitmap.getSkBitmap(&bitmap); 5446acfe16b5650446dbdcce3bd779b52fb6533a41eMike Reed SkAutoCanvasRestore acr(mCanvas, true); 54570ffbf9e8288296ef7009c8297bcb6da6a7f73b2Mike Reed mCanvas->concat(matrix); 54670ffbf9e8288296ef7009c8297bcb6da6a7f73b2Mike Reed mCanvas->drawBitmap(bitmap, 0, 0, paint); 5478872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5488872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 549fc9999505a36c66892d7ccce85187936105f4f36sergeyvvoid SkiaCanvas::drawBitmap(Bitmap& hwuiBitmap, float srcLeft, float srcTop, 5508872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger float srcRight, float srcBottom, float dstLeft, float dstTop, 551acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger float dstRight, float dstBottom, const SkPaint* paint) { 552fc9999505a36c66892d7ccce85187936105f4f36sergeyv SkBitmap bitmap; 553fc9999505a36c66892d7ccce85187936105f4f36sergeyv hwuiBitmap.getSkBitmap(&bitmap); 5548872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect srcRect = SkRect::MakeLTRB(srcLeft, srcTop, srcRight, srcBottom); 5558872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect dstRect = SkRect::MakeLTRB(dstLeft, dstTop, dstRight, dstBottom); 556f35b989d26bb98900f6c5fa2e586326b30b6e161Leon Scroggins III mCanvas->drawBitmapRect(bitmap, srcRect, dstRect, paint); 5578872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5588872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5595fd2a1cb2726afa7d40fe4750e9defd89c24ed37sergeyvvoid SkiaCanvas::drawBitmapMesh(Bitmap& hwuiBitmap, int meshWidth, int meshHeight, 560acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger const float* vertices, const int* colors, const SkPaint* paint) { 5615fd2a1cb2726afa7d40fe4750e9defd89c24ed37sergeyv SkBitmap bitmap; 5625fd2a1cb2726afa7d40fe4750e9defd89c24ed37sergeyv hwuiBitmap.getSkBitmap(&bitmap); 5638872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const int ptCount = (meshWidth + 1) * (meshHeight + 1); 5648872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const int indexCount = meshWidth * meshHeight * 6; 565871cd2dd6074544bd41a84ff38255d81a392546aMike Reed uint32_t flags = SkVertices::kHasTexCoords_BuilderFlag; 566871cd2dd6074544bd41a84ff38255d81a392546aMike Reed if (colors) { 567871cd2dd6074544bd41a84ff38255d81a392546aMike Reed flags |= SkVertices::kHasColors_BuilderFlag; 568871cd2dd6074544bd41a84ff38255d81a392546aMike Reed } 569871cd2dd6074544bd41a84ff38255d81a392546aMike Reed SkVertices::Builder builder(SkCanvas::kTriangles_VertexMode, ptCount, indexCount, flags); 570871cd2dd6074544bd41a84ff38255d81a392546aMike Reed memcpy(builder.positions(), vertices, ptCount * sizeof(SkPoint)); 571871cd2dd6074544bd41a84ff38255d81a392546aMike Reed if (colors) { 572871cd2dd6074544bd41a84ff38255d81a392546aMike Reed memcpy(builder.colors(), colors, ptCount * sizeof(SkColor)); 573871cd2dd6074544bd41a84ff38255d81a392546aMike Reed } 574871cd2dd6074544bd41a84ff38255d81a392546aMike Reed SkPoint* texs = builder.texCoords(); 575871cd2dd6074544bd41a84ff38255d81a392546aMike Reed uint16_t* indices = builder.indices(); 5768872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5778872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // cons up texture coordinates and indices 5788872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger { 5798872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const SkScalar w = SkIntToScalar(bitmap.width()); 5808872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const SkScalar h = SkIntToScalar(bitmap.height()); 5818872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const SkScalar dx = w / meshWidth; 5828872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const SkScalar dy = h / meshHeight; 5838872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5848872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkPoint* texsPtr = texs; 5858872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkScalar y = 0; 5868872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int i = 0; i <= meshHeight; i++) { 5878872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (i == meshHeight) { 5888872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger y = h; // to ensure numerically we hit h exactly 5898872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 5908872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkScalar x = 0; 5918872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int j = 0; j < meshWidth; j++) { 5928872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger texsPtr->set(x, y); 5938872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger texsPtr += 1; 5948872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger x += dx; 5958872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 5968872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger texsPtr->set(w, y); 5978872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger texsPtr += 1; 5988872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger y += dy; 5998872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 6008872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkASSERT(texsPtr - texs == ptCount); 6018872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 6028872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6038872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // cons up indices 6048872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger { 6058872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger uint16_t* indexPtr = indices; 6068872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger int index = 0; 6078872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int i = 0; i < meshHeight; i++) { 6088872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int j = 0; j < meshWidth; j++) { 6098872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // lower-left triangle 6108872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index; 6118872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index + meshWidth + 1; 6128872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index + meshWidth + 2; 6138872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // upper-right triangle 6148872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index; 6158872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index + meshWidth + 2; 6168872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index + 1; 6178872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // bump to the next cell 6188872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger index += 1; 6198872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 6208872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // bump to the next row 6218872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger index += 1; 6228872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 6238872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkASSERT(indexPtr - indices == indexCount); 6248872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 6258872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6268872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // double-check that we have legal indices 6278872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#ifdef SK_DEBUG 6288872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger { 6298872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int i = 0; i < indexCount; i++) { 6308872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkASSERT((unsigned)indices[i] < (unsigned)ptCount); 6318872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 6328872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 6338872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#endif 6348872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6358872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // cons-up a shader for the bitmap 636acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger SkPaint tmpPaint; 6378872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (paint) { 6388872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger tmpPaint = *paint; 6398872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 640f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 641f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev sk_sp<SkImage> image = SkMakeImageFromRasterBitmap(bitmap, kNever_SkCopyPixelsMode); 642f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev tmpPaint.setShader(image->makeShader(SkShader::kClamp_TileMode, SkShader::kClamp_TileMode)); 6438872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 644871cd2dd6074544bd41a84ff38255d81a392546aMike Reed mCanvas->drawVertices(builder.detach(), SkBlendMode::kModulate, tmpPaint); 6458872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 6468872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6475fd2a1cb2726afa7d40fe4750e9defd89c24ed37sergeyvvoid SkiaCanvas::drawNinePatch(Bitmap& hwuiBitmap, const Res_png_9patch& chunk, 648edca320a2b42011f98c308fdf25fc0494c6a5454Derek Sollenberger float dstLeft, float dstTop, float dstRight, float dstBottom, const SkPaint* paint) { 649f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 6505fd2a1cb2726afa7d40fe4750e9defd89c24ed37sergeyv SkBitmap bitmap; 6515fd2a1cb2726afa7d40fe4750e9defd89c24ed37sergeyv hwuiBitmap.getSkBitmap(&bitmap); 652f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 653f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkCanvas::Lattice lattice; 6547de73858975fc4dbccfa1c188f6d1a12d39ce2c5Matt Sarett NinePatchUtils::SetLatticeDivs(&lattice, chunk, bitmap.width(), bitmap.height()); 655f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 656f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev lattice.fFlags = nullptr; 657f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev int numFlags = 0; 658021693b967a2c5556dddd183eb0247df4079e1adStan Iliev if (chunk.numColors > 0 && chunk.numColors == NinePatchUtils::NumDistinctRects(lattice)) { 659f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // We can expect the framework to give us a color for every distinct rect. 660f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // Skia requires a flag for every rect. 661f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev numFlags = (lattice.fXCount + 1) * (lattice.fYCount + 1); 662f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev } 663f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 664f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkAutoSTMalloc<25, SkCanvas::Lattice::Flags> flags(numFlags); 665f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev if (numFlags > 0) { 666021693b967a2c5556dddd183eb0247df4079e1adStan Iliev NinePatchUtils::SetLatticeFlags(&lattice, flags.get(), numFlags, chunk); 667f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev } 668f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 669f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev lattice.fBounds = nullptr; 670f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkRect dst = SkRect::MakeLTRB(dstLeft, dstTop, dstRight, dstBottom); 671f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev mCanvas->drawBitmapLattice(bitmap, lattice, dst, paint); 672edca320a2b42011f98c308fdf25fc0494c6a5454Derek Sollenberger} 673edca320a2b42011f98c308fdf25fc0494c6a5454Derek Sollenberger 674766431aa57c16ece8842287a92b2e7208e3b8ac3Doris Liuvoid SkiaCanvas::drawVectorDrawable(VectorDrawableRoot* vectorDrawable) { 6751d8e194661085f9a18ab1b3cd12f9e19d3a86be5Doris Liu vectorDrawable->drawStaging(this); 676766431aa57c16ece8842287a92b2e7208e3b8ac3Doris Liu} 677766431aa57c16ece8842287a92b2e7208e3b8ac3Doris Liu 6788872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 6798872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas draw operations: Text 6808872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 6818872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 682dccca44ffda4836b56a21da95a046c9708ffd49csergeyvvoid SkiaCanvas::drawGlyphs(const uint16_t* text, const float* positions, int count, 683acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger const SkPaint& paint, float x, float y, 6848dfaa4904205772cdceee63ef3989bcdedf1a914Tom Hudson float boundsLeft, float boundsTop, float boundsRight, float boundsBottom, 6858dfaa4904205772cdceee63ef3989bcdedf1a914Tom Hudson float totalAdvance) { 686792fb3252f6460acfd82c4e5d7536ca6b787a0e0Derek Sollenberger if (!text || !positions || count <= 0 || paint.nothingToDraw()) return; 687f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // Set align to left for drawing, as we don't want individual 688f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // glyphs centered or right-aligned; the offset above takes 689f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // care of all alignment. 690f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkPaint paintCopy(paint); 691f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev paintCopy.setTextAlign(SkPaint::kLeft_Align); 692f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 693f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkRect bounds = SkRect::MakeLTRB(boundsLeft + x, boundsTop + y, 694f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev boundsRight + x, boundsBottom + y); 695f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 696f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev SkTextBlobBuilder builder; 697f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev const SkTextBlobBuilder::RunBuffer& buffer = builder.allocRunPos(paintCopy, count, &bounds); 698f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // TODO: we could reduce the number of memcpy's if the this were exposed further up 699f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev // in the architecture. 700f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev memcpy(buffer.glyphs, text, count * sizeof(uint16_t)); 701f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev memcpy(buffer.pos, positions, (count << 1) * sizeof(float)); 702f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev 703f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev sk_sp<SkTextBlob> textBlob(builder.make()); 704f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev mCanvas->drawTextBlob(textBlob, 0, 0, paintCopy); 705f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Iliev drawTextDecorations(x, y, totalAdvance, paintCopy); 7068872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 7078872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 708afc221499d943386256feb9db46c119ff834bf79Yuqian Livoid SkiaCanvas::drawLayoutOnPath(const minikin::Layout& layout, float hOffset, float vOffset, 709afc221499d943386256feb9db46c119ff834bf79Yuqian Li const SkPaint& paint, const SkPath& path, size_t start, size_t end) { 710afc221499d943386256feb9db46c119ff834bf79Yuqian Li const int N = end - start; 711e547dd0b80b819bbd377bd7de228737b10570aa0Derek Sollenberger SkAutoSTMalloc<1024, uint8_t> storage(N * (sizeof(uint16_t) + sizeof(SkRSXform))); 712afc221499d943386256feb9db46c119ff834bf79Yuqian Li SkRSXform* xform = (SkRSXform*)storage.get(); 713afc221499d943386256feb9db46c119ff834bf79Yuqian Li uint16_t* glyphs = (uint16_t*)(xform + N); 714afc221499d943386256feb9db46c119ff834bf79Yuqian Li SkPathMeasure meas(path, false); 715afc221499d943386256feb9db46c119ff834bf79Yuqian Li 716afc221499d943386256feb9db46c119ff834bf79Yuqian Li for (size_t i = start; i < end; i++) { 717afc221499d943386256feb9db46c119ff834bf79Yuqian Li glyphs[i - start] = layout.getGlyphId(i); 718afc221499d943386256feb9db46c119ff834bf79Yuqian Li float x = hOffset + layout.getX(i); 719afc221499d943386256feb9db46c119ff834bf79Yuqian Li float y = vOffset + layout.getY(i); 720afc221499d943386256feb9db46c119ff834bf79Yuqian Li 721afc221499d943386256feb9db46c119ff834bf79Yuqian Li SkPoint pos; 722afc221499d943386256feb9db46c119ff834bf79Yuqian Li SkVector tan; 723afc221499d943386256feb9db46c119ff834bf79Yuqian Li if (!meas.getPosTan(x, &pos, &tan)) { 724afc221499d943386256feb9db46c119ff834bf79Yuqian Li pos.set(x, y); 725afc221499d943386256feb9db46c119ff834bf79Yuqian Li tan.set(1, 0); 726afc221499d943386256feb9db46c119ff834bf79Yuqian Li } 727afc221499d943386256feb9db46c119ff834bf79Yuqian Li xform[i - start].fSCos = tan.x(); 728afc221499d943386256feb9db46c119ff834bf79Yuqian Li xform[i - start].fSSin = tan.y(); 729afc221499d943386256feb9db46c119ff834bf79Yuqian Li xform[i - start].fTx = pos.x() - tan.y() * y; 730afc221499d943386256feb9db46c119ff834bf79Yuqian Li xform[i - start].fTy = pos.y() + tan.x() * y; 731afc221499d943386256feb9db46c119ff834bf79Yuqian Li } 732afc221499d943386256feb9db46c119ff834bf79Yuqian Li 733afc221499d943386256feb9db46c119ff834bf79Yuqian Li this->asSkCanvas()->drawTextRSXform(glyphs, sizeof(uint16_t) * N, xform, nullptr, paint); 7348872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 7358872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 7366f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// ---------------------------------------------------------------------------- 7376f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// Canvas draw operations: Animations 7386f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// ---------------------------------------------------------------------------- 7396f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 7406f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenbergervoid SkiaCanvas::drawRoundRect(uirenderer::CanvasPropertyPrimitive* left, 7416f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* top, uirenderer::CanvasPropertyPrimitive* right, 7426f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* bottom, uirenderer::CanvasPropertyPrimitive* rx, 7436f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* ry, uirenderer::CanvasPropertyPaint* paint) { 744021693b967a2c5556dddd183eb0247df4079e1adStan Iliev sk_sp<uirenderer::skiapipeline::AnimatedRoundRect> drawable( 745021693b967a2c5556dddd183eb0247df4079e1adStan Iliev new uirenderer::skiapipeline::AnimatedRoundRect(left, top, right, bottom, rx, ry, paint)); 7466f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger mCanvas->drawDrawable(drawable.get()); 7476f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger} 7486f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 7496f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenbergervoid SkiaCanvas::drawCircle(uirenderer::CanvasPropertyPrimitive* x, uirenderer::CanvasPropertyPrimitive* y, 7506f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* radius, uirenderer::CanvasPropertyPaint* paint) { 751021693b967a2c5556dddd183eb0247df4079e1adStan Iliev sk_sp<uirenderer::skiapipeline::AnimatedCircle> drawable(new uirenderer::skiapipeline::AnimatedCircle(x, y, radius, paint)); 7526f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger mCanvas->drawDrawable(drawable.get()); 7536f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger} 7546f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 7556f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// ---------------------------------------------------------------------------- 7566f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// Canvas draw operations: View System 7576f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// ---------------------------------------------------------------------------- 7586f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 759f50806afb8982acbab4510a8d04bbcf13a2bcd9eStan Ilievvoid SkiaCanvas::drawLayer(uirenderer::DeferredLayerUpdater* layerUpdater) { 760c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger LOG_ALWAYS_FATAL("SkiaCanvas can't directly draw Layers"); 761c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger} 7626f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 763c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenbergervoid SkiaCanvas::drawRenderNode(uirenderer::RenderNode* renderNode) { 764c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger LOG_ALWAYS_FATAL("SkiaCanvas can't directly draw RenderNodes"); 765c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger} 7666f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 767cd1c3eba69d044b551cededad75474038f919890John Reckvoid SkiaCanvas::callDrawGLFunction(Functor* functor, 768c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger uirenderer::GlFunctorLifecycleListener* listener) { 769c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger LOG_ALWAYS_FATAL("SkiaCanvas can't directly draw GL Content"); 770c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger} 7716f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 7728872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} // namespace android 773