SkiaCanvas.cpp revision c190813b938ecf28d9e76b07098e9637ced8808e
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" 218872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 226f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger#include <SkDrawable.h> 23849911a9c4315fc552faa38516c842b2541b1909John Reck#include <SkDevice.h> 24849911a9c4315fc552faa38516c842b2541b1909John Reck#include <SkDeque.h> 25849911a9c4315fc552faa38516c842b2541b1909John Reck#include <SkDrawFilter.h> 26849911a9c4315fc552faa38516c842b2541b1909John Reck#include <SkGraphics.h> 276f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger#include <SkImage.h> 28849911a9c4315fc552faa38516c842b2541b1909John Reck#include <SkShader.h> 29849911a9c4315fc552faa38516c842b2541b1909John Reck#include <SkTemplates.h> 308872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3160126efd7d905ca24822765c6dafac17fef278abBen Wagner#include <memory> 3260126efd7d905ca24822765c6dafac17fef278abBen Wagner 338872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergernamespace android { 348872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 35c1b33d665c8caf5760f68c45c6ca0baa649b832aJohn ReckCanvas* Canvas::create_canvas(const SkBitmap& bitmap) { 368872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return new SkiaCanvas(bitmap); 378872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 388872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 398872b38ef403cc2c44aca07d392f5e9426fd7f54Derek SollenbergerCanvas* Canvas::create_canvas(SkCanvas* skiaCanvas) { 408872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return new SkiaCanvas(skiaCanvas); 418872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 428872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 43c1b33d665c8caf5760f68c45c6ca0baa649b832aJohn ReckSkiaCanvas::SkiaCanvas(const SkBitmap& bitmap) { 44c1b33d665c8caf5760f68c45c6ca0baa649b832aJohn Reck mCanvas.reset(new SkCanvas(bitmap)); 458872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 468872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 47c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenbergervoid SkiaCanvas::reset(SkCanvas* skiaCanvas) { 48c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger mCanvas.reset(skiaCanvas); 49c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger mSaveStack.reset(nullptr); 50c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger mHighContrastText = false; 51c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger} 52c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger 538872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 548872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas state operations: Replace Bitmap 558872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 568872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 578872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerclass ClipCopier : public SkCanvas::ClipVisitor { 588872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerpublic: 59c6baf563ba6aa207a48317c177b29f1d2b70cf3dChih-Hung Hsieh explicit ClipCopier(SkCanvas* dstCanvas) : m_dstCanvas(dstCanvas) {} 608872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 618872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger virtual void clipRect(const SkRect& rect, SkRegion::Op op, bool antialias) { 628872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger m_dstCanvas->clipRect(rect, op, antialias); 638872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 648872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger virtual void clipRRect(const SkRRect& rrect, SkRegion::Op op, bool antialias) { 658872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger m_dstCanvas->clipRRect(rrect, op, antialias); 668872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 678872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger virtual void clipPath(const SkPath& path, SkRegion::Op op, bool antialias) { 688872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger m_dstCanvas->clipPath(path, op, antialias); 698872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 708872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 718872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerprivate: 728872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkCanvas* m_dstCanvas; 738872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger}; 748872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 75c1b33d665c8caf5760f68c45c6ca0baa649b832aJohn Reckvoid SkiaCanvas::setBitmap(const SkBitmap& bitmap) { 76c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger sk_sp<SkCanvas> newCanvas(new SkCanvas(bitmap)); 778872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 78c1b33d665c8caf5760f68c45c6ca0baa649b832aJohn Reck if (!bitmap.isNull()) { 798872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // Copy the canvas matrix & clip state. 808872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger newCanvas->setMatrix(mCanvas->getTotalMatrix()); 81f35b989d26bb98900f6c5fa2e586326b30b6e161Leon Scroggins III 82c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger ClipCopier copier(newCanvas.get()); 83f35b989d26bb98900f6c5fa2e586326b30b6e161Leon Scroggins III mCanvas->replayClips(&copier); 848872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 858872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 868872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // unrefs the existing canvas 87c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger mCanvas = std::move(newCanvas); 888872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 898872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // clean up the old save stack 908872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mSaveStack.reset(NULL); 918872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 928872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 938872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 948872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas state operations 958872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 968872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 978872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerbool SkiaCanvas::isOpaque() { 98f35b989d26bb98900f6c5fa2e586326b30b6e161Leon Scroggins III return mCanvas->imageInfo().isOpaque(); 998872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1008872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1018872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerint SkiaCanvas::width() { 102f35b989d26bb98900f6c5fa2e586326b30b6e161Leon Scroggins III return mCanvas->imageInfo().width(); 1038872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1048872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1058872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerint SkiaCanvas::height() { 106f35b989d26bb98900f6c5fa2e586326b30b6e161Leon Scroggins III return mCanvas->imageInfo().height(); 1078872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1088872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1098872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 1108872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas state operations: Save (layer) 1118872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 1128872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1138872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerint SkiaCanvas::getSaveCount() const { 1148872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return mCanvas->getSaveCount(); 1158872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1168872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 117eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malitaint SkiaCanvas::save(SaveFlags::Flags flags) { 1188872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger int count = mCanvas->save(); 1198872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger recordPartialSave(flags); 1208872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return count; 1218872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1228872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1235e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita// The SkiaCanvas::restore operation layers on the capability to preserve 1245e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita// either (or both) the matrix and/or clip state after a SkCanvas::restore 1255e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita// operation. It does this by explicitly saving off the clip & matrix state 1265e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita// when requested and playing it back after the SkCanvas::restore. 1278872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::restore() { 1288872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const SaveRec* rec = (NULL == mSaveStack.get()) 1298872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger ? NULL 1308872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger : static_cast<SaveRec*>(mSaveStack->back()); 1315e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita int currentSaveCount = mCanvas->getSaveCount(); 1328872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkASSERT(NULL == rec || currentSaveCount >= rec->saveCount); 1338872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1348872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (NULL == rec || rec->saveCount != currentSaveCount) { 1358872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // Fast path - no record for this frame. 1368872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->restore(); 1378872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return; 1388872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 1398872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 140eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita bool preserveMatrix = !(rec->saveFlags & SaveFlags::Matrix); 141eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita bool preserveClip = !(rec->saveFlags & SaveFlags::Clip); 1428872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1438872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkMatrix savedMatrix; 1448872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (preserveMatrix) { 1458872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger savedMatrix = mCanvas->getTotalMatrix(); 1468872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 1478872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1488872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkTArray<SkClipStack::Element> savedClips; 1495e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita int topClipStackFrame = mCanvas->getClipStack()->getSaveCount(); 1508872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (preserveClip) { 1515e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita saveClipsForFrame(savedClips, topClipStackFrame); 1528872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 1538872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1548872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->restore(); 1558872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1568872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (preserveMatrix) { 1578872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->setMatrix(savedMatrix); 1588872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 1598872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1605e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita if (preserveClip && !savedClips.empty() && 1615e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita topClipStackFrame != mCanvas->getClipStack()->getSaveCount()) { 1625e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita // Only reapply the saved clips if the top clip stack frame was actually 1635e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita // popped by restore(). If it wasn't, it means it doesn't belong to the 1645e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita // restored canvas frame (SkCanvas lazy save/restore kicked in). 1658872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger applyClips(savedClips); 1668872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 1678872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1688872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mSaveStack->pop_back(); 1698872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1708872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1718872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::restoreToCount(int restoreCount) { 1728872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger while (mCanvas->getSaveCount() > restoreCount) { 1738872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger this->restore(); 1748872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 1758872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1768872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 177eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malitastatic inline SkCanvas::SaveLayerFlags layerFlags(SaveFlags::Flags flags) { 178eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita SkCanvas::SaveLayerFlags layerFlags = 0; 179eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita 180eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita if (!(flags & SaveFlags::HasAlphaLayer)) { 181eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita layerFlags |= SkCanvas::kIsOpaque_SaveLayerFlag; 182eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita } 183eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita 184eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita if (!(flags & SaveFlags::ClipToLayer)) { 185eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita layerFlags |= SkCanvas::kDontClipToLayer_Legacy_SaveLayerFlag; 186eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita } 187eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita 188eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita return layerFlags; 189eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita} 190eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita 1918872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerint SkiaCanvas::saveLayer(float left, float top, float right, float bottom, 192eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita const SkPaint* paint, SaveFlags::Flags flags) { 193eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita const SkRect bounds = SkRect::MakeLTRB(left, top, right, bottom); 194eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita const SkCanvas::SaveLayerRec rec(&bounds, paint, layerFlags(flags)); 195eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita 196eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita int count = mCanvas->saveLayer(rec); 1978872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger recordPartialSave(flags); 1988872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return count; 1998872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2008872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2018872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerint SkiaCanvas::saveLayerAlpha(float left, float top, float right, float bottom, 202eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita int alpha, SaveFlags::Flags flags) { 203eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita if (static_cast<unsigned>(alpha) < 0xFF) { 204fd92ee4b731bee39f8b100cd138fb491de9d66eeYuqian Li SkPaint alphaPaint; 205fd92ee4b731bee39f8b100cd138fb491de9d66eeYuqian Li alphaPaint.setAlpha(alpha); 206fd92ee4b731bee39f8b100cd138fb491de9d66eeYuqian Li return this->saveLayer(left, top, right, bottom, &alphaPaint, flags); 207eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita } 208fd92ee4b731bee39f8b100cd138fb491de9d66eeYuqian Li return this->saveLayer(left, top, right, bottom, nullptr, flags); 2098872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2108872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2118872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 2128872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// functions to emulate legacy SaveFlags (i.e. independent matrix/clip flags) 2138872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 2148872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 215eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malitavoid SkiaCanvas::recordPartialSave(SaveFlags::Flags flags) { 2168872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // A partial save is a save operation which doesn't capture the full canvas state. 217eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita // (either SaveFlags::Matrix or SaveFlags::Clip is missing). 2188872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2198872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // Mask-out non canvas state bits. 220eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita flags &= SaveFlags::MatrixClip; 2218872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 222eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita if (flags == SaveFlags::MatrixClip) { 2238872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // not a partial save. 2248872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return; 2258872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 2268872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2278872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (NULL == mSaveStack.get()) { 228d1cbc1608906302130158acc4c72c82c89b49e10Ben Wagner mSaveStack.reset(new SkDeque(sizeof(struct SaveRec), 8)); 2298872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 2308872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2318872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SaveRec* rec = static_cast<SaveRec*>(mSaveStack->push_back()); 2325e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita rec->saveCount = mCanvas->getSaveCount(); 2338872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger rec->saveFlags = flags; 2348872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2358872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2365e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malitavoid SkiaCanvas::saveClipsForFrame(SkTArray<SkClipStack::Element>& clips, 2375e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita int saveCountToBackup) { 2385e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita // Each SkClipStack::Element stores the index of the canvas save 2395e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita // with which it is associated. Backup only those Elements that 2405e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita // are associated with 'saveCountToBackup' 2418872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkClipStack::Iter clipIterator(*mCanvas->getClipStack(), 2428872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkClipStack::Iter::kTop_IterStart); 2435e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita while (const SkClipStack::Element* elem = clipIterator.prev()) { 2445e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita if (elem->getSaveCount() < saveCountToBackup) { 2455e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita // done with the target save count. 2468872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger break; 2478872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 2485e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita SkASSERT(elem->getSaveCount() == saveCountToBackup); 2498872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger clips.push_back(*elem); 2508872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 2518872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2528872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2538872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::applyClips(const SkTArray<SkClipStack::Element>& clips) { 254c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger ClipCopier clipCopier(mCanvas.get()); 2558872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2568872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // The clip stack stores clips in device space. 2578872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkMatrix origMatrix = mCanvas->getTotalMatrix(); 2588872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->resetMatrix(); 2598872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2608872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // We pushed the clips in reverse order. 2618872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int i = clips.count() - 1; i >= 0; --i) { 2628872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger clips[i].replay(&clipCopier); 2638872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 2648872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2658872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->setMatrix(origMatrix); 2668872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2678872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2688872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 2698872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas state operations: Matrix 2708872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 2718872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2728872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::getMatrix(SkMatrix* outMatrix) const { 2738872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *outMatrix = mCanvas->getTotalMatrix(); 2748872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2758872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2768872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::setMatrix(const SkMatrix& matrix) { 2778872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->setMatrix(matrix); 2788872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2798872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2808872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::concat(const SkMatrix& matrix) { 2818872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->concat(matrix); 2828872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2838872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2848872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::rotate(float degrees) { 2858872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->rotate(degrees); 2868872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2878872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2888872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::scale(float sx, float sy) { 2898872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->scale(sx, sy); 2908872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2918872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2928872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::skew(float sx, float sy) { 2938872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->skew(sx, sy); 2948872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2958872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2968872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::translate(float dx, float dy) { 2978872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->translate(dx, dy); 2988872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2998872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3008872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 3018872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas state operations: Clips 3028872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 3038872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3048872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// This function is a mirror of SkCanvas::getClipBounds except that it does 3058872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// not outset the edge of the clip to account for anti-aliasing. There is 3068872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// a skia bug to investigate pushing this logic into back into skia. 3078872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// (see https://code.google.com/p/skia/issues/detail?id=1303) 3088872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerbool SkiaCanvas::getClipBounds(SkRect* outRect) const { 3098872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkIRect ibounds; 3108872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (!mCanvas->getClipDeviceBounds(&ibounds)) { 3118872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return false; 3128872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3138872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3148872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkMatrix inverse; 3158872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // if we can't invert the CTM, we can't return local clip bounds 3168872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (!mCanvas->getTotalMatrix().invert(&inverse)) { 3178872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (outRect) { 3188872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger outRect->setEmpty(); 3198872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3208872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return false; 3218872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3228872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3238872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (NULL != outRect) { 3248872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect r = SkRect::Make(ibounds); 3258872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger inverse.mapRect(outRect, r); 3268872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3278872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return true; 3288872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3298872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3308872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerbool SkiaCanvas::quickRejectRect(float left, float top, float right, float bottom) const { 3318872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect bounds = SkRect::MakeLTRB(left, top, right, bottom); 3328872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return mCanvas->quickReject(bounds); 3338872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3348872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3358872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerbool SkiaCanvas::quickRejectPath(const SkPath& path) const { 3368872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return mCanvas->quickReject(path); 3378872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3388872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3398872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerbool SkiaCanvas::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 3408872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 3418872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->clipRect(rect, op); 3425ec6a2878b2ad933c5da6fe2341c854155acc24cChris Craik return !mCanvas->isClipEmpty(); 3438872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3448872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3458872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerbool SkiaCanvas::clipPath(const SkPath* path, SkRegion::Op op) { 346c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger SkRRect roundRect; 347c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger if (path->isRRect(&roundRect)) { 348c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger mCanvas->clipRRect(roundRect, op); 349c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger } else { 350c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger mCanvas->clipPath(*path, op); 351c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger } 3525ec6a2878b2ad933c5da6fe2341c854155acc24cChris Craik return !mCanvas->isClipEmpty(); 3538872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3548872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3558872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerbool SkiaCanvas::clipRegion(const SkRegion* region, SkRegion::Op op) { 3568872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkPath rgnPath; 3578872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (region->getBoundaryPath(&rgnPath)) { 3588872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // The region is specified in device space. 3598872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkMatrix savedMatrix = mCanvas->getTotalMatrix(); 3608872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->resetMatrix(); 3618872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->clipPath(rgnPath, op); 3628872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->setMatrix(savedMatrix); 3638872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } else { 3648872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->clipRect(SkRect::MakeEmpty(), op); 3658872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3665ec6a2878b2ad933c5da6fe2341c854155acc24cChris Craik return !mCanvas->isClipEmpty(); 3678872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3688872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3698872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 3708872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas state operations: Filters 3718872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 3728872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 373acb4099deff72c2c631f7110a405a3331d3e8b27Derek SollenbergerSkDrawFilter* SkiaCanvas::getDrawFilter() { 374acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger return mCanvas->getDrawFilter(); 375acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger} 376acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger 3778872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::setDrawFilter(SkDrawFilter* drawFilter) { 3788872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->setDrawFilter(drawFilter); 3798872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3808872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3818872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 3828872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas draw operations 3838872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 3848872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3858872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::drawColor(int color, SkXfermode::Mode mode) { 3868872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawColor(color, mode); 3878872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3888872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 389acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawPaint(const SkPaint& paint) { 3908872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawPaint(paint); 3918872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3928872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3938872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 3948872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas draw operations: Geometry 3958872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 3968872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 397acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawPoints(const float* points, int count, const SkPaint& paint, 3988872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkCanvas::PointMode mode) { 3998872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // convert the floats into SkPoints 4008872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger count >>= 1; // now it is the number of points 4016bbf68d05a9deb335fc693b4a64651aea1b4e9e0Ben Wagner std::unique_ptr<SkPoint[]> pts(new SkPoint[count]); 4028872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int i = 0; i < count; i++) { 4038872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger pts[i].set(points[0], points[1]); 4048872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger points += 2; 4058872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 4066bbf68d05a9deb335fc693b4a64651aea1b4e9e0Ben Wagner mCanvas->drawPoints(mode, count, pts.get(), paint); 4078872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4088872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4098872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 410acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawPoint(float x, float y, const SkPaint& paint) { 4118872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawPoint(x, y, paint); 4128872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4138872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 414acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawPoints(const float* points, int count, const SkPaint& paint) { 4158872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger this->drawPoints(points, count, paint, SkCanvas::kPoints_PointMode); 4168872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4178872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4188872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::drawLine(float startX, float startY, float stopX, float stopY, 419acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger const SkPaint& paint) { 4208872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawLine(startX, startY, stopX, stopY, paint); 4218872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4228872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 423acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawLines(const float* points, int count, const SkPaint& paint) { 4248872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger this->drawPoints(points, count, paint, SkCanvas::kLines_PointMode); 4258872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4268872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4278872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::drawRect(float left, float top, float right, float bottom, 428acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger const SkPaint& paint) { 4298872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawRectCoords(left, top, right, bottom, paint); 4308872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4318872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4328872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 43394394b3fb048d5349a77b57950ab7f6b6e92ce34Derek Sollenbergervoid SkiaCanvas::drawRegion(const SkRegion& region, const SkPaint& paint) { 43494394b3fb048d5349a77b57950ab7f6b6e92ce34Derek Sollenberger SkRegion::Iterator it(region); 43594394b3fb048d5349a77b57950ab7f6b6e92ce34Derek Sollenberger while (!it.done()) { 43694394b3fb048d5349a77b57950ab7f6b6e92ce34Derek Sollenberger mCanvas->drawRect(SkRect::Make(it.rect()), paint); 43794394b3fb048d5349a77b57950ab7f6b6e92ce34Derek Sollenberger it.next(); 43894394b3fb048d5349a77b57950ab7f6b6e92ce34Derek Sollenberger } 43994394b3fb048d5349a77b57950ab7f6b6e92ce34Derek Sollenberger} 44094394b3fb048d5349a77b57950ab7f6b6e92ce34Derek Sollenberger 4418872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::drawRoundRect(float left, float top, float right, float bottom, 442acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger float rx, float ry, const SkPaint& paint) { 4438872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 4448872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawRoundRect(rect, rx, ry, paint); 4458872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4468872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 447acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawCircle(float x, float y, float radius, const SkPaint& paint) { 4488872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawCircle(x, y, radius, paint); 4498872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4508872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 451acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawOval(float left, float top, float right, float bottom, const SkPaint& paint) { 4528872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect oval = SkRect::MakeLTRB(left, top, right, bottom); 4538872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawOval(oval, paint); 4548872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4558872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4568872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::drawArc(float left, float top, float right, float bottom, 457acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger float startAngle, float sweepAngle, bool useCenter, const SkPaint& paint) { 4588872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect arc = SkRect::MakeLTRB(left, top, right, bottom); 4598872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawArc(arc, startAngle, sweepAngle, useCenter, paint); 4608872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4618872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 462acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawPath(const SkPath& path, const SkPaint& paint) { 463c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger SkRect rect; 464c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger SkRRect roundRect; 465c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger if (path.isOval(&rect)) { 466c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger mCanvas->drawOval(rect, paint); 467c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger } else if (path.isRRect(&roundRect)) { 468c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger mCanvas->drawRRect(roundRect, paint); 469c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger } else { 470c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger mCanvas->drawPath(path, paint); 471c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger } 4728872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4738872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4748872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::drawVertices(SkCanvas::VertexMode vertexMode, int vertexCount, 4758872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const float* verts, const float* texs, const int* colors, 476acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger const uint16_t* indices, int indexCount, const SkPaint& paint) { 4778872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#ifndef SK_SCALAR_IS_FLOAT 4788872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkDEBUGFAIL("SkScalar must be a float for these conversions to be valid"); 4798872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#endif 4808872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const int ptCount = vertexCount >> 1; 4818872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawVertices(vertexMode, ptCount, (SkPoint*)verts, (SkPoint*)texs, 4828872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger (SkColor*)colors, NULL, indices, indexCount, paint); 4838872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4848872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4858872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 4868872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas draw operations: Bitmaps 4878872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 4888872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 489acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawBitmap(const SkBitmap& bitmap, float left, float top, const SkPaint* paint) { 4908872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawBitmap(bitmap, left, top, paint); 4918872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4928872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 493acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawBitmap(const SkBitmap& bitmap, const SkMatrix& matrix, const SkPaint* paint) { 494c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger SkAutoCanvasRestore acr(mCanvas.get(), true); 49570ffbf9e8288296ef7009c8297bcb6da6a7f73b2Mike Reed mCanvas->concat(matrix); 49670ffbf9e8288296ef7009c8297bcb6da6a7f73b2Mike Reed mCanvas->drawBitmap(bitmap, 0, 0, paint); 4978872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4988872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4998872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::drawBitmap(const SkBitmap& bitmap, float srcLeft, float srcTop, 5008872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger float srcRight, float srcBottom, float dstLeft, float dstTop, 501acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger float dstRight, float dstBottom, const SkPaint* paint) { 5028872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect srcRect = SkRect::MakeLTRB(srcLeft, srcTop, srcRight, srcBottom); 5038872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect dstRect = SkRect::MakeLTRB(dstLeft, dstTop, dstRight, dstBottom); 504f35b989d26bb98900f6c5fa2e586326b30b6e161Leon Scroggins III mCanvas->drawBitmapRect(bitmap, srcRect, dstRect, paint); 5058872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5068872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5078872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::drawBitmapMesh(const SkBitmap& bitmap, int meshWidth, int meshHeight, 508acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger const float* vertices, const int* colors, const SkPaint* paint) { 5098872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5108872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const int ptCount = (meshWidth + 1) * (meshHeight + 1); 5118872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const int indexCount = meshWidth * meshHeight * 6; 5128872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5138872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger /* Our temp storage holds 2 or 3 arrays. 5148872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger texture points [ptCount * sizeof(SkPoint)] 5158872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger optionally vertex points [ptCount * sizeof(SkPoint)] if we need a 5168872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger copy to convert from float to fixed 5178872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger indices [ptCount * sizeof(uint16_t)] 5188872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger */ 5198872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger ssize_t storageSize = ptCount * sizeof(SkPoint); // texs[] 5208872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger storageSize += indexCount * sizeof(uint16_t); // indices[] 5218872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5228872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5238872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#ifndef SK_SCALAR_IS_FLOAT 5248872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkDEBUGFAIL("SkScalar must be a float for these conversions to be valid"); 5258872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#endif 5266bbf68d05a9deb335fc693b4a64651aea1b4e9e0Ben Wagner std::unique_ptr<char[]> storage(new char[storageSize]); 5278872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkPoint* texs = (SkPoint*)storage.get(); 5288872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger uint16_t* indices = (uint16_t*)(texs + ptCount); 5298872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5308872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // cons up texture coordinates and indices 5318872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger { 5328872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const SkScalar w = SkIntToScalar(bitmap.width()); 5338872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const SkScalar h = SkIntToScalar(bitmap.height()); 5348872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const SkScalar dx = w / meshWidth; 5358872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const SkScalar dy = h / meshHeight; 5368872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5378872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkPoint* texsPtr = texs; 5388872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkScalar y = 0; 5398872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int i = 0; i <= meshHeight; i++) { 5408872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (i == meshHeight) { 5418872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger y = h; // to ensure numerically we hit h exactly 5428872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 5438872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkScalar x = 0; 5448872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int j = 0; j < meshWidth; j++) { 5458872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger texsPtr->set(x, y); 5468872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger texsPtr += 1; 5478872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger x += dx; 5488872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 5498872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger texsPtr->set(w, y); 5508872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger texsPtr += 1; 5518872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger y += dy; 5528872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 5538872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkASSERT(texsPtr - texs == ptCount); 5548872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 5558872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5568872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // cons up indices 5578872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger { 5588872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger uint16_t* indexPtr = indices; 5598872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger int index = 0; 5608872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int i = 0; i < meshHeight; i++) { 5618872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int j = 0; j < meshWidth; j++) { 5628872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // lower-left triangle 5638872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index; 5648872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index + meshWidth + 1; 5658872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index + meshWidth + 2; 5668872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // upper-right triangle 5678872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index; 5688872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index + meshWidth + 2; 5698872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index + 1; 5708872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // bump to the next cell 5718872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger index += 1; 5728872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 5738872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // bump to the next row 5748872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger index += 1; 5758872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 5768872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkASSERT(indexPtr - indices == indexCount); 5778872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkASSERT((char*)indexPtr - (char*)storage.get() == storageSize); 5788872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 5798872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5808872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // double-check that we have legal indices 5818872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#ifdef SK_DEBUG 5828872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger { 5838872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int i = 0; i < indexCount; i++) { 5848872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkASSERT((unsigned)indices[i] < (unsigned)ptCount); 5858872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 5868872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 5878872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#endif 5888872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5898872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // cons-up a shader for the bitmap 590acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger SkPaint tmpPaint; 5918872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (paint) { 5928872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger tmpPaint = *paint; 5938872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 5948872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkShader* shader = SkShader::CreateBitmapShader(bitmap, 5958872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkShader::kClamp_TileMode, 5968872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkShader::kClamp_TileMode); 5978872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkSafeUnref(tmpPaint.setShader(shader)); 5988872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5998872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawVertices(SkCanvas::kTriangles_VertexMode, ptCount, (SkPoint*)vertices, 6008872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger texs, (const SkColor*)colors, NULL, indices, 6018872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger indexCount, tmpPaint); 6028872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 6038872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 604edca320a2b42011f98c308fdf25fc0494c6a5454Derek Sollenbergervoid SkiaCanvas::drawNinePatch(const SkBitmap& bitmap, const Res_png_9patch& chunk, 605edca320a2b42011f98c308fdf25fc0494c6a5454Derek Sollenberger float dstLeft, float dstTop, float dstRight, float dstBottom, const SkPaint* paint) { 606edca320a2b42011f98c308fdf25fc0494c6a5454Derek Sollenberger SkRect bounds = SkRect::MakeLTRB(dstLeft, dstTop, dstRight, dstBottom); 607c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger NinePatch::Draw(mCanvas.get(), bounds, bitmap, chunk, paint, nullptr); 608edca320a2b42011f98c308fdf25fc0494c6a5454Derek Sollenberger} 609edca320a2b42011f98c308fdf25fc0494c6a5454Derek Sollenberger 610766431aa57c16ece8842287a92b2e7208e3b8ac3Doris Liuvoid SkiaCanvas::drawVectorDrawable(VectorDrawableRoot* vectorDrawable) { 6111d8e194661085f9a18ab1b3cd12f9e19d3a86be5Doris Liu vectorDrawable->drawStaging(this); 612766431aa57c16ece8842287a92b2e7208e3b8ac3Doris Liu} 613766431aa57c16ece8842287a92b2e7208e3b8ac3Doris Liu 6148872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 6158872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas draw operations: Text 6168872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 6178872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 618dccca44ffda4836b56a21da95a046c9708ffd49csergeyvvoid SkiaCanvas::drawGlyphs(const uint16_t* text, const float* positions, int count, 619acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger const SkPaint& paint, float x, float y, 6208dfaa4904205772cdceee63ef3989bcdedf1a914Tom Hudson float boundsLeft, float boundsTop, float boundsRight, float boundsBottom, 6218dfaa4904205772cdceee63ef3989bcdedf1a914Tom Hudson float totalAdvance) { 622e3a40ea488c7cfa396d5901255719a6ddab791d4Ben Wagner static_assert(sizeof(SkPoint) == sizeof(float)*2, "SkPoint is no longer two floats"); 62379abbf22d4f672208327546661e694d837f564a9Derek Sollenberger mCanvas->drawPosText(text, count << 1, reinterpret_cast<const SkPoint*>(positions), paint); 624a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik drawTextDecorations(x, y, totalAdvance, paint); 6258872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 6268872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 627dccca44ffda4836b56a21da95a046c9708ffd49csergeyvvoid SkiaCanvas::drawGlyphsOnPath(const uint16_t* glyphs, int count, const SkPath& path, 628acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger float hOffset, float vOffset, const SkPaint& paint) { 62934e79c1e570673148e3e0bbd91df3180a00eeff1Tom Hudson mCanvas->drawTextOnPathHV(glyphs, count << 1, path, hOffset, vOffset, paint); 6308872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 6318872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6326f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// ---------------------------------------------------------------------------- 6336f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// Canvas draw operations: Animations 6346f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// ---------------------------------------------------------------------------- 6356f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 6366f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenbergerclass AnimatedRoundRect : public SkDrawable { 6376f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger public: 6386f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger AnimatedRoundRect(uirenderer::CanvasPropertyPrimitive* left, 6396f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* top, uirenderer::CanvasPropertyPrimitive* right, 6406f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* bottom, uirenderer::CanvasPropertyPrimitive* rx, 6416f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* ry, uirenderer::CanvasPropertyPaint* p) : 6426f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger mLeft(left), mTop(top), mRight(right), mBottom(bottom), mRx(rx), mRy(ry), mPaint(p) {} 6436f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 6446f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger protected: 6456f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger virtual SkRect onGetBounds() override { 6466f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger return SkRect::MakeLTRB(mLeft->value, mTop->value, mRight->value, mBottom->value); 6476f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger } 6486f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger virtual void onDraw(SkCanvas* canvas) override { 6496f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger SkRect rect = SkRect::MakeLTRB(mLeft->value, mTop->value, mRight->value, mBottom->value); 6506f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger canvas->drawRoundRect(rect, mRx->value, mRy->value, mPaint->value); 6516f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger } 6526f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 6536f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger private: 6546f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPrimitive> mLeft; 6556f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPrimitive> mTop; 6566f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPrimitive> mRight; 6576f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPrimitive> mBottom; 6586f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPrimitive> mRx; 6596f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPrimitive> mRy; 6606f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPaint> mPaint; 6616f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger}; 6626f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 6636f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenbergerclass AnimatedCircle : public SkDrawable { 6646f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger public: 6656f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger AnimatedCircle(uirenderer::CanvasPropertyPrimitive* x, uirenderer::CanvasPropertyPrimitive* y, 6666f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* radius, uirenderer::CanvasPropertyPaint* paint) : 6676f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger mX(x), mY(y), mRadius(radius), mPaint(paint) {} 6686f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 6696f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger protected: 6706f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger virtual SkRect onGetBounds() override { 6716f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger const float x = mX->value; 6726f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger const float y = mY->value; 6736f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger const float radius = mRadius->value; 6746f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger return SkRect::MakeLTRB(x - radius, y - radius, x + radius, y + radius); 6756f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger } 6766f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger virtual void onDraw(SkCanvas* canvas) override { 6776f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger canvas->drawCircle(mX->value, mY->value, mRadius->value, mPaint->value); 6786f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger } 6796f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 6806f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger private: 6816f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPrimitive> mX; 6826f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPrimitive> mY; 6836f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPrimitive> mRadius; 6846f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPaint> mPaint; 6856f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger}; 6866f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 6876f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenbergervoid SkiaCanvas::drawRoundRect(uirenderer::CanvasPropertyPrimitive* left, 6886f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* top, uirenderer::CanvasPropertyPrimitive* right, 6896f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* bottom, uirenderer::CanvasPropertyPrimitive* rx, 6906f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* ry, uirenderer::CanvasPropertyPaint* paint) { 691c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger sk_sp<AnimatedRoundRect> drawable( 6926f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger new AnimatedRoundRect(left, top, right, bottom, rx, ry, paint)); 6936f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger mCanvas->drawDrawable(drawable.get()); 6946f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger} 6956f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 6966f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenbergervoid SkiaCanvas::drawCircle(uirenderer::CanvasPropertyPrimitive* x, uirenderer::CanvasPropertyPrimitive* y, 6976f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* radius, uirenderer::CanvasPropertyPaint* paint) { 698c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger sk_sp<AnimatedCircle> drawable(new AnimatedCircle(x, y, radius, paint)); 6996f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger mCanvas->drawDrawable(drawable.get()); 7006f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger} 7016f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 7026f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// ---------------------------------------------------------------------------- 7036f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// Canvas draw operations: View System 7046f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// ---------------------------------------------------------------------------- 7056f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 706c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenbergervoid SkiaCanvas::drawLayer(uirenderer::DeferredLayerUpdater* layer) { 707c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger LOG_ALWAYS_FATAL("SkiaCanvas can't directly draw Layers"); 708c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger} 7096f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 710c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenbergervoid SkiaCanvas::drawRenderNode(uirenderer::RenderNode* renderNode) { 711c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger LOG_ALWAYS_FATAL("SkiaCanvas can't directly draw RenderNodes"); 712c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger} 7136f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 714cd1c3eba69d044b551cededad75474038f919890John Reckvoid SkiaCanvas::callDrawGLFunction(Functor* functor, 715c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger uirenderer::GlFunctorLifecycleListener* listener) { 716c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger LOG_ALWAYS_FATAL("SkiaCanvas can't directly draw GL Content"); 717c190813b938ecf28d9e76b07098e9637ced8808eDerek Sollenberger} 7186f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 7198872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} // namespace android 720