SkiaCanvas.cpp revision 5fd2a1cb2726afa7d40fe4750e9defd89c24ed37
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" 20c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger#include "VectorDrawable.h" 21aed7f58fb05a25ce2112829e77c0eb5dd268e8a7sergeyv#include "hwui/Bitmap.h" 22afc221499d943386256feb9db46c119ff834bf79Yuqian Li#include "hwui/MinikinUtils.h" 238872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 246f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger#include <SkDrawable.h> 25849911a9c4315fc552faa38516c842b2541b1909John Reck#include <SkDevice.h> 26849911a9c4315fc552faa38516c842b2541b1909John Reck#include <SkDeque.h> 27849911a9c4315fc552faa38516c842b2541b1909John Reck#include <SkDrawFilter.h> 28849911a9c4315fc552faa38516c842b2541b1909John Reck#include <SkGraphics.h> 296f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger#include <SkImage.h> 3062feb3a0b4690144a067080ab17beae160ea6320Matt Sarett#include <SkImagePriv.h> 31afc221499d943386256feb9db46c119ff834bf79Yuqian Li#include <SkRSXform.h> 32849911a9c4315fc552faa38516c842b2541b1909John Reck#include <SkShader.h> 33849911a9c4315fc552faa38516c842b2541b1909John Reck#include <SkTemplates.h> 348872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3560126efd7d905ca24822765c6dafac17fef278abBen Wagner#include <memory> 3660126efd7d905ca24822765c6dafac17fef278abBen Wagner 378872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergernamespace android { 388872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 39c1b33d665c8caf5760f68c45c6ca0baa649b832aJohn ReckCanvas* Canvas::create_canvas(const SkBitmap& bitmap) { 408872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return new SkiaCanvas(bitmap); 418872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 428872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 438872b38ef403cc2c44aca07d392f5e9426fd7f54Derek SollenbergerCanvas* Canvas::create_canvas(SkCanvas* skiaCanvas) { 448872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return new SkiaCanvas(skiaCanvas); 458872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 468872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 47c1b33d665c8caf5760f68c45c6ca0baa649b832aJohn ReckSkiaCanvas::SkiaCanvas(const SkBitmap& bitmap) { 48c1b33d665c8caf5760f68c45c6ca0baa649b832aJohn Reck mCanvas.reset(new SkCanvas(bitmap)); 498872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 508872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 51c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenbergervoid SkiaCanvas::reset(SkCanvas* skiaCanvas) { 5286cbf883f6bded03841db3038e75d18afd5f6095Derek Sollenberger mCanvas.reset(SkRef(skiaCanvas)); 53c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger mSaveStack.reset(nullptr); 54c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger mHighContrastText = false; 55c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger} 56c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger 578872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 588872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas state operations: Replace Bitmap 598872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 608872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 618872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerclass ClipCopier : public SkCanvas::ClipVisitor { 628872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerpublic: 63c6baf563ba6aa207a48317c177b29f1d2b70cf3dChih-Hung Hsieh explicit ClipCopier(SkCanvas* dstCanvas) : m_dstCanvas(dstCanvas) {} 648872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 658872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger virtual void clipRect(const SkRect& rect, SkRegion::Op op, bool antialias) { 668872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger m_dstCanvas->clipRect(rect, op, antialias); 678872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 688872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger virtual void clipRRect(const SkRRect& rrect, SkRegion::Op op, bool antialias) { 698872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger m_dstCanvas->clipRRect(rrect, op, antialias); 708872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 718872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger virtual void clipPath(const SkPath& path, SkRegion::Op op, bool antialias) { 728872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger m_dstCanvas->clipPath(path, op, antialias); 738872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 748872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 758872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerprivate: 768872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkCanvas* m_dstCanvas; 778872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger}; 788872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 79c1b33d665c8caf5760f68c45c6ca0baa649b832aJohn Reckvoid SkiaCanvas::setBitmap(const SkBitmap& bitmap) { 80c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger sk_sp<SkCanvas> newCanvas(new SkCanvas(bitmap)); 818872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 82c1b33d665c8caf5760f68c45c6ca0baa649b832aJohn Reck if (!bitmap.isNull()) { 838872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // Copy the canvas matrix & clip state. 848872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger newCanvas->setMatrix(mCanvas->getTotalMatrix()); 85f35b989d26bb98900f6c5fa2e586326b30b6e161Leon Scroggins III 86c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger ClipCopier copier(newCanvas.get()); 87f35b989d26bb98900f6c5fa2e586326b30b6e161Leon Scroggins III mCanvas->replayClips(&copier); 888872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 898872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 908872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // unrefs the existing canvas 91c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger mCanvas = std::move(newCanvas); 928872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 938872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // clean up the old save stack 948872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mSaveStack.reset(NULL); 958872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 968872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 978872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 988872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas state operations 998872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 1008872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1018872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerbool SkiaCanvas::isOpaque() { 102f35b989d26bb98900f6c5fa2e586326b30b6e161Leon Scroggins III return mCanvas->imageInfo().isOpaque(); 1038872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1048872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1058872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerint SkiaCanvas::width() { 106f35b989d26bb98900f6c5fa2e586326b30b6e161Leon Scroggins III return mCanvas->imageInfo().width(); 1078872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1088872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1098872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerint SkiaCanvas::height() { 110f35b989d26bb98900f6c5fa2e586326b30b6e161Leon Scroggins III return mCanvas->imageInfo().height(); 1118872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1128872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1138872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 1148872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas state operations: Save (layer) 1158872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 1168872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1178872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerint SkiaCanvas::getSaveCount() const { 1188872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return mCanvas->getSaveCount(); 1198872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1208872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 121eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malitaint SkiaCanvas::save(SaveFlags::Flags flags) { 1228872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger int count = mCanvas->save(); 1238872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger recordPartialSave(flags); 1248872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return count; 1258872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1268872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1275e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita// The SkiaCanvas::restore operation layers on the capability to preserve 1285e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita// either (or both) the matrix and/or clip state after a SkCanvas::restore 1295e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita// operation. It does this by explicitly saving off the clip & matrix state 1305e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita// when requested and playing it back after the SkCanvas::restore. 1318872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::restore() { 1328872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const SaveRec* rec = (NULL == mSaveStack.get()) 1338872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger ? NULL 1348872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger : static_cast<SaveRec*>(mSaveStack->back()); 1355e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita int currentSaveCount = mCanvas->getSaveCount(); 1368872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkASSERT(NULL == rec || currentSaveCount >= rec->saveCount); 1378872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1388872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (NULL == rec || rec->saveCount != currentSaveCount) { 1398872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // Fast path - no record for this frame. 1408872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->restore(); 1418872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return; 1428872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 1438872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 144eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita bool preserveMatrix = !(rec->saveFlags & SaveFlags::Matrix); 145eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita bool preserveClip = !(rec->saveFlags & SaveFlags::Clip); 1468872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1478872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkMatrix savedMatrix; 1488872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (preserveMatrix) { 1498872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger savedMatrix = mCanvas->getTotalMatrix(); 1508872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 1518872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1528872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkTArray<SkClipStack::Element> savedClips; 1535e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita int topClipStackFrame = mCanvas->getClipStack()->getSaveCount(); 1548872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (preserveClip) { 1555e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita saveClipsForFrame(savedClips, topClipStackFrame); 1568872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 1578872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1588872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->restore(); 1598872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1608872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (preserveMatrix) { 1618872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->setMatrix(savedMatrix); 1628872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 1638872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1645e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita if (preserveClip && !savedClips.empty() && 1655e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita topClipStackFrame != mCanvas->getClipStack()->getSaveCount()) { 1665e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita // Only reapply the saved clips if the top clip stack frame was actually 1675e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita // popped by restore(). If it wasn't, it means it doesn't belong to the 1685e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita // restored canvas frame (SkCanvas lazy save/restore kicked in). 1698872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger applyClips(savedClips); 1708872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 1718872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1728872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mSaveStack->pop_back(); 1738872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1748872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1758872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::restoreToCount(int restoreCount) { 1768872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger while (mCanvas->getSaveCount() > restoreCount) { 1778872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger this->restore(); 1788872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 1798872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1808872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 181eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malitastatic inline SkCanvas::SaveLayerFlags layerFlags(SaveFlags::Flags flags) { 182eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita SkCanvas::SaveLayerFlags layerFlags = 0; 183eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita 18483427ff2224c89cc1a590ea609206c95c8ee039eYuqian Li // We intentionally ignore the SaveFlags::HasAlphaLayer and 18583427ff2224c89cc1a590ea609206c95c8ee039eYuqian Li // SkCanvas::kIsOpaque_SaveLayerFlag flags because HWUI ignores it 18683427ff2224c89cc1a590ea609206c95c8ee039eYuqian Li // and our Android client may use it incorrectly. 18783427ff2224c89cc1a590ea609206c95c8ee039eYuqian Li // In Skia, this flag is purely for performance optimization. 188eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita 189eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita if (!(flags & SaveFlags::ClipToLayer)) { 190eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita layerFlags |= SkCanvas::kDontClipToLayer_Legacy_SaveLayerFlag; 191eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita } 192eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita 193eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita return layerFlags; 194eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita} 195eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita 1968872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerint SkiaCanvas::saveLayer(float left, float top, float right, float bottom, 197eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita const SkPaint* paint, SaveFlags::Flags flags) { 198eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita const SkRect bounds = SkRect::MakeLTRB(left, top, right, bottom); 199eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita const SkCanvas::SaveLayerRec rec(&bounds, paint, layerFlags(flags)); 200eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita 201eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita int count = mCanvas->saveLayer(rec); 2028872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger recordPartialSave(flags); 2038872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return count; 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 2168872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 2178872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// functions to emulate legacy SaveFlags (i.e. independent matrix/clip flags) 2188872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 2198872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 220eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malitavoid SkiaCanvas::recordPartialSave(SaveFlags::Flags flags) { 2218872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // A partial save is a save operation which doesn't capture the full canvas state. 222eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita // (either SaveFlags::Matrix or SaveFlags::Clip is missing). 2238872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2248872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // Mask-out non canvas state bits. 225eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita flags &= SaveFlags::MatrixClip; 2268872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 227eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita if (flags == SaveFlags::MatrixClip) { 2288872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // not a partial save. 2298872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return; 2308872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 2318872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2328872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (NULL == mSaveStack.get()) { 233d1cbc1608906302130158acc4c72c82c89b49e10Ben Wagner mSaveStack.reset(new SkDeque(sizeof(struct SaveRec), 8)); 2348872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 2358872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2368872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SaveRec* rec = static_cast<SaveRec*>(mSaveStack->push_back()); 2375e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita rec->saveCount = mCanvas->getSaveCount(); 2388872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger rec->saveFlags = flags; 2398872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2408872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2415e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malitavoid SkiaCanvas::saveClipsForFrame(SkTArray<SkClipStack::Element>& clips, 2425e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita int saveCountToBackup) { 2435e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita // Each SkClipStack::Element stores the index of the canvas save 2445e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita // with which it is associated. Backup only those Elements that 2455e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita // are associated with 'saveCountToBackup' 2468872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkClipStack::Iter clipIterator(*mCanvas->getClipStack(), 2478872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkClipStack::Iter::kTop_IterStart); 2485e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita while (const SkClipStack::Element* elem = clipIterator.prev()) { 2495e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita if (elem->getSaveCount() < saveCountToBackup) { 2505e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita // done with the target save count. 2518872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger break; 2528872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 2535e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita SkASSERT(elem->getSaveCount() == saveCountToBackup); 2548872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger clips.push_back(*elem); 2558872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 2568872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2578872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2588872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::applyClips(const SkTArray<SkClipStack::Element>& clips) { 259c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger ClipCopier clipCopier(mCanvas.get()); 2608872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2618872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // The clip stack stores clips in device space. 2628872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkMatrix origMatrix = mCanvas->getTotalMatrix(); 2638872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->resetMatrix(); 2648872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2658872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // We pushed the clips in reverse order. 2668872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int i = clips.count() - 1; i >= 0; --i) { 2678872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger clips[i].replay(&clipCopier); 2688872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 2698872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2708872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->setMatrix(origMatrix); 2718872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2728872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2738872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 2748872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas state operations: Matrix 2758872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 2768872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2778872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::getMatrix(SkMatrix* outMatrix) const { 2788872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *outMatrix = mCanvas->getTotalMatrix(); 2798872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2808872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2818872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::setMatrix(const SkMatrix& matrix) { 2828872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->setMatrix(matrix); 2838872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2848872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2858872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::concat(const SkMatrix& matrix) { 2868872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->concat(matrix); 2878872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2888872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2898872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::rotate(float degrees) { 2908872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->rotate(degrees); 2918872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2928872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2938872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::scale(float sx, float sy) { 2948872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->scale(sx, sy); 2958872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2968872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2978872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::skew(float sx, float sy) { 2988872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->skew(sx, sy); 2998872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3008872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3018872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::translate(float dx, float dy) { 3028872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->translate(dx, dy); 3038872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3048872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3058872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 3068872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas state operations: Clips 3078872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 3088872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3098872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// This function is a mirror of SkCanvas::getClipBounds except that it does 3108872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// not outset the edge of the clip to account for anti-aliasing. There is 3118872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// a skia bug to investigate pushing this logic into back into skia. 3128872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// (see https://code.google.com/p/skia/issues/detail?id=1303) 3138872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerbool SkiaCanvas::getClipBounds(SkRect* outRect) const { 3148872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkIRect ibounds; 3158872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (!mCanvas->getClipDeviceBounds(&ibounds)) { 3168872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return false; 3178872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3188872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3198872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkMatrix inverse; 3208872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // if we can't invert the CTM, we can't return local clip bounds 3218872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (!mCanvas->getTotalMatrix().invert(&inverse)) { 3228872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (outRect) { 3238872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger outRect->setEmpty(); 3248872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3258872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return false; 3268872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3278872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3288872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (NULL != outRect) { 3298872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect r = SkRect::Make(ibounds); 3308872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger inverse.mapRect(outRect, r); 3318872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3328872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return true; 3338872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3348872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3358872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerbool SkiaCanvas::quickRejectRect(float left, float top, float right, float bottom) const { 3368872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect bounds = SkRect::MakeLTRB(left, top, right, bottom); 3378872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return mCanvas->quickReject(bounds); 3388872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3398872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3408872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerbool SkiaCanvas::quickRejectPath(const SkPath& path) const { 3418872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return mCanvas->quickReject(path); 3428872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3438872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3448872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerbool SkiaCanvas::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 3458872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 3468872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->clipRect(rect, op); 3475ec6a2878b2ad933c5da6fe2341c854155acc24cChris Craik return !mCanvas->isClipEmpty(); 3488872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3498872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3508872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerbool SkiaCanvas::clipPath(const SkPath* path, SkRegion::Op op) { 351c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger SkRRect roundRect; 352c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger if (path->isRRect(&roundRect)) { 353c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger mCanvas->clipRRect(roundRect, op); 354c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger } else { 355c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger mCanvas->clipPath(*path, op); 356c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger } 3575ec6a2878b2ad933c5da6fe2341c854155acc24cChris Craik return !mCanvas->isClipEmpty(); 3588872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3598872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3608872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerbool SkiaCanvas::clipRegion(const SkRegion* region, SkRegion::Op op) { 3618872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkPath rgnPath; 3628872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (region->getBoundaryPath(&rgnPath)) { 3638872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // The region is specified in device space. 3648872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkMatrix savedMatrix = mCanvas->getTotalMatrix(); 3658872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->resetMatrix(); 3668872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->clipPath(rgnPath, op); 3678872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->setMatrix(savedMatrix); 3688872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } else { 3698872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->clipRect(SkRect::MakeEmpty(), op); 3708872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3715ec6a2878b2ad933c5da6fe2341c854155acc24cChris Craik return !mCanvas->isClipEmpty(); 3728872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3738872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3748872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 3758872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas state operations: Filters 3768872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 3778872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 378acb4099deff72c2c631f7110a405a3331d3e8b27Derek SollenbergerSkDrawFilter* SkiaCanvas::getDrawFilter() { 379acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger return mCanvas->getDrawFilter(); 380acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger} 381acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger 3828872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::setDrawFilter(SkDrawFilter* drawFilter) { 3838872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->setDrawFilter(drawFilter); 3848872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3858872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3868872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 3878872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas draw operations 3888872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 3898872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 390260ab726486317496bc12a57d599ea96dcde3284Mike Reedvoid SkiaCanvas::drawColor(int color, SkBlendMode mode) { 3918872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawColor(color, mode); 3928872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3938872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 394acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawPaint(const SkPaint& paint) { 3958872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawPaint(paint); 3968872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3978872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3988872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 3998872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas draw operations: Geometry 4008872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 4018872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 402acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawPoints(const float* points, int count, const SkPaint& paint, 4038872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkCanvas::PointMode mode) { 4048872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // convert the floats into SkPoints 4058872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger count >>= 1; // now it is the number of points 4066bbf68d05a9deb335fc693b4a64651aea1b4e9e0Ben Wagner std::unique_ptr<SkPoint[]> pts(new SkPoint[count]); 4078872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int i = 0; i < count; i++) { 4088872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger pts[i].set(points[0], points[1]); 4098872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger points += 2; 4108872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 4116bbf68d05a9deb335fc693b4a64651aea1b4e9e0Ben Wagner mCanvas->drawPoints(mode, count, pts.get(), paint); 4128872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4138872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4148872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 415acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawPoint(float x, float y, const SkPaint& paint) { 4168872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawPoint(x, y, paint); 4178872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4188872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 419acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawPoints(const float* points, int count, const SkPaint& paint) { 4208872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger this->drawPoints(points, count, paint, SkCanvas::kPoints_PointMode); 4218872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4228872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4238872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::drawLine(float startX, float startY, float stopX, float stopY, 424acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger const SkPaint& paint) { 4258872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawLine(startX, startY, stopX, stopY, paint); 4268872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4278872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 428acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawLines(const float* points, int count, const SkPaint& paint) { 4298872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger this->drawPoints(points, count, paint, SkCanvas::kLines_PointMode); 4308872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4318872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4328872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::drawRect(float left, float top, float right, float bottom, 433acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger const SkPaint& paint) { 4348872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawRectCoords(left, top, right, bottom, paint); 4358872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4368872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4378872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 43894394b3fb048d5349a77b57950ab7f6b6e92ce34Derek Sollenbergervoid SkiaCanvas::drawRegion(const SkRegion& region, const SkPaint& paint) { 43994394b3fb048d5349a77b57950ab7f6b6e92ce34Derek Sollenberger SkRegion::Iterator it(region); 44094394b3fb048d5349a77b57950ab7f6b6e92ce34Derek Sollenberger while (!it.done()) { 44194394b3fb048d5349a77b57950ab7f6b6e92ce34Derek Sollenberger mCanvas->drawRect(SkRect::Make(it.rect()), paint); 44294394b3fb048d5349a77b57950ab7f6b6e92ce34Derek Sollenberger it.next(); 44394394b3fb048d5349a77b57950ab7f6b6e92ce34Derek Sollenberger } 44494394b3fb048d5349a77b57950ab7f6b6e92ce34Derek Sollenberger} 44594394b3fb048d5349a77b57950ab7f6b6e92ce34Derek Sollenberger 4468872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::drawRoundRect(float left, float top, float right, float bottom, 447acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger float rx, float ry, const SkPaint& paint) { 4488872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 4498872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawRoundRect(rect, rx, ry, paint); 4508872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4518872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 452acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawCircle(float x, float y, float radius, const SkPaint& paint) { 4538872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawCircle(x, y, radius, paint); 4548872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4558872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 456acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawOval(float left, float top, float right, float bottom, const SkPaint& paint) { 4578872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect oval = SkRect::MakeLTRB(left, top, right, bottom); 4588872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawOval(oval, paint); 4598872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4608872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4618872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::drawArc(float left, float top, float right, float bottom, 462acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger float startAngle, float sweepAngle, bool useCenter, const SkPaint& paint) { 4638872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect arc = SkRect::MakeLTRB(left, top, right, bottom); 4648872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawArc(arc, startAngle, sweepAngle, useCenter, paint); 4658872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4668872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 467acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawPath(const SkPath& path, const SkPaint& paint) { 468c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger SkRect rect; 469c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger SkRRect roundRect; 470c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger if (path.isOval(&rect)) { 471c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger mCanvas->drawOval(rect, paint); 472c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger } else if (path.isRRect(&roundRect)) { 473c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger mCanvas->drawRRect(roundRect, paint); 474c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger } else { 475c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger mCanvas->drawPath(path, paint); 476c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger } 4778872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4788872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4798872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::drawVertices(SkCanvas::VertexMode vertexMode, int vertexCount, 4808872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const float* verts, const float* texs, const int* colors, 481acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger const uint16_t* indices, int indexCount, const SkPaint& paint) { 4828872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#ifndef SK_SCALAR_IS_FLOAT 4838872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkDEBUGFAIL("SkScalar must be a float for these conversions to be valid"); 4848872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#endif 4858872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const int ptCount = vertexCount >> 1; 4868872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawVertices(vertexMode, ptCount, (SkPoint*)verts, (SkPoint*)texs, 4878872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger (SkColor*)colors, NULL, indices, indexCount, paint); 4888872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4898872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4908872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 4918872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas draw operations: Bitmaps 4928872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 4938872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 494aed7f58fb05a25ce2112829e77c0eb5dd268e8a7sergeyvvoid SkiaCanvas::drawBitmap(Bitmap& bitmap, float left, float top, const SkPaint* paint) { 495aed7f58fb05a25ce2112829e77c0eb5dd268e8a7sergeyv SkBitmap skBitmap; 496aed7f58fb05a25ce2112829e77c0eb5dd268e8a7sergeyv bitmap.getSkBitmap(&skBitmap); 497aed7f58fb05a25ce2112829e77c0eb5dd268e8a7sergeyv mCanvas->drawBitmap(skBitmap, left, top, paint); 4988872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4998872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 500fc9999505a36c66892d7ccce85187936105f4f36sergeyvvoid SkiaCanvas::drawBitmap(Bitmap& hwuiBitmap, const SkMatrix& matrix, const SkPaint* paint) { 501fc9999505a36c66892d7ccce85187936105f4f36sergeyv SkBitmap bitmap; 502fc9999505a36c66892d7ccce85187936105f4f36sergeyv hwuiBitmap.getSkBitmap(&bitmap); 503c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger SkAutoCanvasRestore acr(mCanvas.get(), true); 50470ffbf9e8288296ef7009c8297bcb6da6a7f73b2Mike Reed mCanvas->concat(matrix); 50570ffbf9e8288296ef7009c8297bcb6da6a7f73b2Mike Reed mCanvas->drawBitmap(bitmap, 0, 0, paint); 5068872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5078872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 508fc9999505a36c66892d7ccce85187936105f4f36sergeyvvoid SkiaCanvas::drawBitmap(Bitmap& hwuiBitmap, float srcLeft, float srcTop, 5098872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger float srcRight, float srcBottom, float dstLeft, float dstTop, 510acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger float dstRight, float dstBottom, const SkPaint* paint) { 511fc9999505a36c66892d7ccce85187936105f4f36sergeyv SkBitmap bitmap; 512fc9999505a36c66892d7ccce85187936105f4f36sergeyv hwuiBitmap.getSkBitmap(&bitmap); 5138872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect srcRect = SkRect::MakeLTRB(srcLeft, srcTop, srcRight, srcBottom); 5148872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect dstRect = SkRect::MakeLTRB(dstLeft, dstTop, dstRight, dstBottom); 515f35b989d26bb98900f6c5fa2e586326b30b6e161Leon Scroggins III mCanvas->drawBitmapRect(bitmap, srcRect, dstRect, paint); 5168872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5178872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5185fd2a1cb2726afa7d40fe4750e9defd89c24ed37sergeyvvoid SkiaCanvas::drawBitmapMesh(Bitmap& hwuiBitmap, int meshWidth, int meshHeight, 519acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger const float* vertices, const int* colors, const SkPaint* paint) { 5205fd2a1cb2726afa7d40fe4750e9defd89c24ed37sergeyv SkBitmap bitmap; 5215fd2a1cb2726afa7d40fe4750e9defd89c24ed37sergeyv hwuiBitmap.getSkBitmap(&bitmap); 5228872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const int ptCount = (meshWidth + 1) * (meshHeight + 1); 5238872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const int indexCount = meshWidth * meshHeight * 6; 5248872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5258872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger /* Our temp storage holds 2 or 3 arrays. 5268872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger texture points [ptCount * sizeof(SkPoint)] 5278872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger optionally vertex points [ptCount * sizeof(SkPoint)] if we need a 5288872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger copy to convert from float to fixed 5298872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger indices [ptCount * sizeof(uint16_t)] 5308872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger */ 5318872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger ssize_t storageSize = ptCount * sizeof(SkPoint); // texs[] 5328872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger storageSize += indexCount * sizeof(uint16_t); // indices[] 5338872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5348872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5358872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#ifndef SK_SCALAR_IS_FLOAT 5368872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkDEBUGFAIL("SkScalar must be a float for these conversions to be valid"); 5378872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#endif 5386bbf68d05a9deb335fc693b4a64651aea1b4e9e0Ben Wagner std::unique_ptr<char[]> storage(new char[storageSize]); 5398872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkPoint* texs = (SkPoint*)storage.get(); 5408872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger uint16_t* indices = (uint16_t*)(texs + ptCount); 5418872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5428872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // cons up texture coordinates and indices 5438872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger { 5448872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const SkScalar w = SkIntToScalar(bitmap.width()); 5458872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const SkScalar h = SkIntToScalar(bitmap.height()); 5468872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const SkScalar dx = w / meshWidth; 5478872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const SkScalar dy = h / meshHeight; 5488872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5498872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkPoint* texsPtr = texs; 5508872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkScalar y = 0; 5518872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int i = 0; i <= meshHeight; i++) { 5528872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (i == meshHeight) { 5538872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger y = h; // to ensure numerically we hit h exactly 5548872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 5558872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkScalar x = 0; 5568872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int j = 0; j < meshWidth; j++) { 5578872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger texsPtr->set(x, y); 5588872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger texsPtr += 1; 5598872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger x += dx; 5608872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 5618872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger texsPtr->set(w, y); 5628872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger texsPtr += 1; 5638872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger y += dy; 5648872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 5658872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkASSERT(texsPtr - texs == ptCount); 5668872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 5678872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5688872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // cons up indices 5698872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger { 5708872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger uint16_t* indexPtr = indices; 5718872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger int index = 0; 5728872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int i = 0; i < meshHeight; i++) { 5738872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int j = 0; j < meshWidth; j++) { 5748872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // lower-left triangle 5758872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index; 5768872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index + meshWidth + 1; 5778872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index + meshWidth + 2; 5788872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // upper-right triangle 5798872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index; 5808872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index + meshWidth + 2; 5818872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index + 1; 5828872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // bump to the next cell 5838872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger index += 1; 5848872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 5858872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // bump to the next row 5868872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger index += 1; 5878872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 5888872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkASSERT(indexPtr - indices == indexCount); 5898872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkASSERT((char*)indexPtr - (char*)storage.get() == storageSize); 5908872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 5918872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5928872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // double-check that we have legal indices 5938872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#ifdef SK_DEBUG 5948872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger { 5958872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int i = 0; i < indexCount; i++) { 5968872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkASSERT((unsigned)indices[i] < (unsigned)ptCount); 5978872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 5988872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 5998872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#endif 6008872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6018872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // cons-up a shader for the bitmap 602acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger SkPaint tmpPaint; 6038872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (paint) { 6048872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger tmpPaint = *paint; 6058872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 60662feb3a0b4690144a067080ab17beae160ea6320Matt Sarett sk_sp<SkShader> shader = SkMakeBitmapShader(bitmap, 60762feb3a0b4690144a067080ab17beae160ea6320Matt Sarett SkShader::kClamp_TileMode, 60862feb3a0b4690144a067080ab17beae160ea6320Matt Sarett SkShader::kClamp_TileMode, 60962feb3a0b4690144a067080ab17beae160ea6320Matt Sarett nullptr, 61062feb3a0b4690144a067080ab17beae160ea6320Matt Sarett kNever_SkCopyPixelsMode, 61162feb3a0b4690144a067080ab17beae160ea6320Matt Sarett nullptr); 61262feb3a0b4690144a067080ab17beae160ea6320Matt Sarett tmpPaint.setShader(std::move(shader)); 6138872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6148872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawVertices(SkCanvas::kTriangles_VertexMode, ptCount, (SkPoint*)vertices, 6158872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger texs, (const SkColor*)colors, NULL, indices, 6168872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger indexCount, tmpPaint); 6178872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 6188872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6195fd2a1cb2726afa7d40fe4750e9defd89c24ed37sergeyvvoid SkiaCanvas::drawNinePatch(Bitmap& hwuiBitmap, const Res_png_9patch& chunk, 620edca320a2b42011f98c308fdf25fc0494c6a5454Derek Sollenberger float dstLeft, float dstTop, float dstRight, float dstBottom, const SkPaint* paint) { 6215fd2a1cb2726afa7d40fe4750e9defd89c24ed37sergeyv SkBitmap bitmap; 6225fd2a1cb2726afa7d40fe4750e9defd89c24ed37sergeyv hwuiBitmap.getSkBitmap(&bitmap); 623edca320a2b42011f98c308fdf25fc0494c6a5454Derek Sollenberger SkRect bounds = SkRect::MakeLTRB(dstLeft, dstTop, dstRight, dstBottom); 624c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger NinePatch::Draw(mCanvas.get(), bounds, bitmap, chunk, paint, nullptr); 625edca320a2b42011f98c308fdf25fc0494c6a5454Derek Sollenberger} 626edca320a2b42011f98c308fdf25fc0494c6a5454Derek Sollenberger 627766431aa57c16ece8842287a92b2e7208e3b8ac3Doris Liuvoid SkiaCanvas::drawVectorDrawable(VectorDrawableRoot* vectorDrawable) { 6281d8e194661085f9a18ab1b3cd12f9e19d3a86be5Doris Liu vectorDrawable->drawStaging(this); 629766431aa57c16ece8842287a92b2e7208e3b8ac3Doris Liu} 630766431aa57c16ece8842287a92b2e7208e3b8ac3Doris Liu 6318872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 6328872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas draw operations: Text 6338872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 6348872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 635dccca44ffda4836b56a21da95a046c9708ffd49csergeyvvoid SkiaCanvas::drawGlyphs(const uint16_t* text, const float* positions, int count, 636acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger const SkPaint& paint, float x, float y, 6378dfaa4904205772cdceee63ef3989bcdedf1a914Tom Hudson float boundsLeft, float boundsTop, float boundsRight, float boundsBottom, 6388dfaa4904205772cdceee63ef3989bcdedf1a914Tom Hudson float totalAdvance) { 639e3a40ea488c7cfa396d5901255719a6ddab791d4Ben Wagner static_assert(sizeof(SkPoint) == sizeof(float)*2, "SkPoint is no longer two floats"); 64079abbf22d4f672208327546661e694d837f564a9Derek Sollenberger mCanvas->drawPosText(text, count << 1, reinterpret_cast<const SkPoint*>(positions), paint); 641a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik drawTextDecorations(x, y, totalAdvance, paint); 6428872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 6438872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 644afc221499d943386256feb9db46c119ff834bf79Yuqian Livoid SkiaCanvas::drawLayoutOnPath(const minikin::Layout& layout, float hOffset, float vOffset, 645afc221499d943386256feb9db46c119ff834bf79Yuqian Li const SkPaint& paint, const SkPath& path, size_t start, size_t end) { 646afc221499d943386256feb9db46c119ff834bf79Yuqian Li const int N = end - start; 647afc221499d943386256feb9db46c119ff834bf79Yuqian Li SkAutoSMalloc<1024> storage(N * (sizeof(uint16_t) + sizeof(SkRSXform))); 648afc221499d943386256feb9db46c119ff834bf79Yuqian Li SkRSXform* xform = (SkRSXform*)storage.get(); 649afc221499d943386256feb9db46c119ff834bf79Yuqian Li uint16_t* glyphs = (uint16_t*)(xform + N); 650afc221499d943386256feb9db46c119ff834bf79Yuqian Li SkPathMeasure meas(path, false); 651afc221499d943386256feb9db46c119ff834bf79Yuqian Li 652afc221499d943386256feb9db46c119ff834bf79Yuqian Li for (size_t i = start; i < end; i++) { 653afc221499d943386256feb9db46c119ff834bf79Yuqian Li glyphs[i - start] = layout.getGlyphId(i); 654afc221499d943386256feb9db46c119ff834bf79Yuqian Li float x = hOffset + layout.getX(i); 655afc221499d943386256feb9db46c119ff834bf79Yuqian Li float y = vOffset + layout.getY(i); 656afc221499d943386256feb9db46c119ff834bf79Yuqian Li 657afc221499d943386256feb9db46c119ff834bf79Yuqian Li SkPoint pos; 658afc221499d943386256feb9db46c119ff834bf79Yuqian Li SkVector tan; 659afc221499d943386256feb9db46c119ff834bf79Yuqian Li if (!meas.getPosTan(x, &pos, &tan)) { 660afc221499d943386256feb9db46c119ff834bf79Yuqian Li pos.set(x, y); 661afc221499d943386256feb9db46c119ff834bf79Yuqian Li tan.set(1, 0); 662afc221499d943386256feb9db46c119ff834bf79Yuqian Li } 663afc221499d943386256feb9db46c119ff834bf79Yuqian Li xform[i - start].fSCos = tan.x(); 664afc221499d943386256feb9db46c119ff834bf79Yuqian Li xform[i - start].fSSin = tan.y(); 665afc221499d943386256feb9db46c119ff834bf79Yuqian Li xform[i - start].fTx = pos.x() - tan.y() * y; 666afc221499d943386256feb9db46c119ff834bf79Yuqian Li xform[i - start].fTy = pos.y() + tan.x() * y; 667afc221499d943386256feb9db46c119ff834bf79Yuqian Li } 668afc221499d943386256feb9db46c119ff834bf79Yuqian Li 669afc221499d943386256feb9db46c119ff834bf79Yuqian Li this->asSkCanvas()->drawTextRSXform(glyphs, sizeof(uint16_t) * N, xform, nullptr, paint); 6708872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 6718872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6726f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// ---------------------------------------------------------------------------- 6736f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// Canvas draw operations: Animations 6746f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// ---------------------------------------------------------------------------- 6756f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 6766f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenbergerclass AnimatedRoundRect : public SkDrawable { 6776f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger public: 6786f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger AnimatedRoundRect(uirenderer::CanvasPropertyPrimitive* left, 6796f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* top, uirenderer::CanvasPropertyPrimitive* right, 6806f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* bottom, uirenderer::CanvasPropertyPrimitive* rx, 6816f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* ry, uirenderer::CanvasPropertyPaint* p) : 6826f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger mLeft(left), mTop(top), mRight(right), mBottom(bottom), mRx(rx), mRy(ry), mPaint(p) {} 6836f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 6846f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger protected: 6856f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger virtual SkRect onGetBounds() override { 6866f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger return SkRect::MakeLTRB(mLeft->value, mTop->value, mRight->value, mBottom->value); 6876f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger } 6886f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger virtual void onDraw(SkCanvas* canvas) override { 6896f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger SkRect rect = SkRect::MakeLTRB(mLeft->value, mTop->value, mRight->value, mBottom->value); 6906f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger canvas->drawRoundRect(rect, mRx->value, mRy->value, mPaint->value); 6916f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger } 6926f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 6936f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger private: 6946f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPrimitive> mLeft; 6956f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPrimitive> mTop; 6966f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPrimitive> mRight; 6976f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPrimitive> mBottom; 6986f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPrimitive> mRx; 6996f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPrimitive> mRy; 7006f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPaint> mPaint; 7016f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger}; 7026f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 7036f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenbergerclass AnimatedCircle : public SkDrawable { 7046f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger public: 7056f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger AnimatedCircle(uirenderer::CanvasPropertyPrimitive* x, uirenderer::CanvasPropertyPrimitive* y, 7066f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* radius, uirenderer::CanvasPropertyPaint* paint) : 7076f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger mX(x), mY(y), mRadius(radius), mPaint(paint) {} 7086f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 7096f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger protected: 7106f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger virtual SkRect onGetBounds() override { 7116f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger const float x = mX->value; 7126f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger const float y = mY->value; 7136f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger const float radius = mRadius->value; 7146f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger return SkRect::MakeLTRB(x - radius, y - radius, x + radius, y + radius); 7156f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger } 7166f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger virtual void onDraw(SkCanvas* canvas) override { 7176f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger canvas->drawCircle(mX->value, mY->value, mRadius->value, mPaint->value); 7186f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger } 7196f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 7206f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger private: 7216f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPrimitive> mX; 7226f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPrimitive> mY; 7236f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPrimitive> mRadius; 7246f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPaint> mPaint; 7256f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger}; 7266f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 7276f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenbergervoid SkiaCanvas::drawRoundRect(uirenderer::CanvasPropertyPrimitive* left, 7286f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* top, uirenderer::CanvasPropertyPrimitive* right, 7296f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* bottom, uirenderer::CanvasPropertyPrimitive* rx, 7306f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* ry, uirenderer::CanvasPropertyPaint* paint) { 731c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger sk_sp<AnimatedRoundRect> drawable( 7326f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger new AnimatedRoundRect(left, top, right, bottom, rx, ry, paint)); 7336f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger mCanvas->drawDrawable(drawable.get()); 7346f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger} 7356f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 7366f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenbergervoid SkiaCanvas::drawCircle(uirenderer::CanvasPropertyPrimitive* x, uirenderer::CanvasPropertyPrimitive* y, 7376f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* radius, uirenderer::CanvasPropertyPaint* paint) { 738c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger sk_sp<AnimatedCircle> drawable(new AnimatedCircle(x, y, radius, paint)); 7396f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger mCanvas->drawDrawable(drawable.get()); 7406f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger} 7416f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 7426f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// ---------------------------------------------------------------------------- 7436f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// Canvas draw operations: View System 7446f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// ---------------------------------------------------------------------------- 7456f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 746c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenbergervoid SkiaCanvas::drawLayer(uirenderer::DeferredLayerUpdater* layer) { 747c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger LOG_ALWAYS_FATAL("SkiaCanvas can't directly draw Layers"); 748c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger} 7496f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 750c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenbergervoid SkiaCanvas::drawRenderNode(uirenderer::RenderNode* renderNode) { 751c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger LOG_ALWAYS_FATAL("SkiaCanvas can't directly draw RenderNodes"); 752c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger} 7536f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 754cd1c3eba69d044b551cededad75474038f919890John Reckvoid SkiaCanvas::callDrawGLFunction(Functor* functor, 755c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger uirenderer::GlFunctorLifecycleListener* listener) { 756c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger LOG_ALWAYS_FATAL("SkiaCanvas can't directly draw GL Content"); 757c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger} 7586f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 7598872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} // namespace android 760