SkiaCanvas.cpp revision 79abbf22d4f672208327546661e694d837f564a9
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 176f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger#include "CanvasProperty.h" 186f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger#include "Layer.h" 196f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger#include "RenderNode.h" 20dccca44ffda4836b56a21da95a046c9708ffd49csergeyv#include "hwui/Canvas.h" 218872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 22849911a9c4315fc552faa38516c842b2541b1909John Reck#include <SkCanvas.h> 23849911a9c4315fc552faa38516c842b2541b1909John Reck#include <SkClipStack.h> 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> 30849911a9c4315fc552faa38516c842b2541b1909John Reck#include <SkShader.h> 31849911a9c4315fc552faa38516c842b2541b1909John Reck#include <SkTArray.h> 32eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita#include <SkTLazy.h> 33849911a9c4315fc552faa38516c842b2541b1909John Reck#include <SkTemplates.h> 348872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 35766431aa57c16ece8842287a92b2e7208e3b8ac3Doris Liu#include "VectorDrawable.h" 36766431aa57c16ece8842287a92b2e7208e3b8ac3Doris Liu 3760126efd7d905ca24822765c6dafac17fef278abBen Wagner#include <memory> 3860126efd7d905ca24822765c6dafac17fef278abBen Wagner 398872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergernamespace android { 408872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 418872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Holds an SkCanvas reference plus additional native data. 428872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerclass SkiaCanvas : public Canvas { 438872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerpublic: 44c1b33d665c8caf5760f68c45c6ca0baa649b832aJohn Reck explicit SkiaCanvas(const SkBitmap& bitmap); 458872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4618981294a58c411a4a33ebb22caf9c75ba639691Leon Scroggins III /** 4718981294a58c411a4a33ebb22caf9c75ba639691Leon Scroggins III * Create a new SkiaCanvas. 4818981294a58c411a4a33ebb22caf9c75ba639691Leon Scroggins III * 4918981294a58c411a4a33ebb22caf9c75ba639691Leon Scroggins III * @param canvas SkCanvas to handle calls made to this SkiaCanvas. Must 5018981294a58c411a4a33ebb22caf9c75ba639691Leon Scroggins III * not be NULL. This constructor will ref() the SkCanvas, and unref() 5118981294a58c411a4a33ebb22caf9c75ba639691Leon Scroggins III * it in its destructor. 5218981294a58c411a4a33ebb22caf9c75ba639691Leon Scroggins III */ 5318981294a58c411a4a33ebb22caf9c75ba639691Leon Scroggins III explicit SkiaCanvas(SkCanvas* canvas) : mCanvas(canvas) { 548872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkASSERT(canvas); 5518981294a58c411a4a33ebb22caf9c75ba639691Leon Scroggins III canvas->ref(); 568872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 578872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 58b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger virtual SkCanvas* asSkCanvas() override { 598872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return mCanvas.get(); 608872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 618872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 626f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger virtual void resetRecording(int width, int height) override { 636f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger LOG_ALWAYS_FATAL("SkiaCanvas cannot be reset as a recording canvas"); 646f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger } 656f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 666f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger virtual uirenderer::DisplayList* finishRecording() override { 676f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger LOG_ALWAYS_FATAL("SkiaCanvas does not produce a DisplayList"); 686f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger return nullptr; 696f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger } 706f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger virtual void insertReorderBarrier(bool enableReorder) override { 716f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger LOG_ALWAYS_FATAL("SkiaCanvas does not support reordering barriers"); 726f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger } 736f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 74c1b33d665c8caf5760f68c45c6ca0baa649b832aJohn Reck virtual void setBitmap(const SkBitmap& bitmap) override; 758872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 76b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger virtual bool isOpaque() override; 77b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger virtual int width() override; 78b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger virtual int height() override; 798872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 806578a989566e585eee053095dc80e2552e125db2Derek Sollenberger virtual void setHighContrastText(bool highContrastText) override { 816578a989566e585eee053095dc80e2552e125db2Derek Sollenberger mHighContrastText = highContrastText; 826578a989566e585eee053095dc80e2552e125db2Derek Sollenberger } 836578a989566e585eee053095dc80e2552e125db2Derek Sollenberger virtual bool isHighContrastText() override { return mHighContrastText; } 846578a989566e585eee053095dc80e2552e125db2Derek Sollenberger 85b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger virtual int getSaveCount() const override; 86eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita virtual int save(SaveFlags::Flags flags) override; 87b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger virtual void restore() override; 88b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger virtual void restoreToCount(int saveCount) override; 898872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 908872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger virtual int saveLayer(float left, float top, float right, float bottom, 91eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita const SkPaint* paint, SaveFlags::Flags flags) override; 928872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger virtual int saveLayerAlpha(float left, float top, float right, float bottom, 93eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita int alpha, SaveFlags::Flags flags) override; 94b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger 95b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger virtual void getMatrix(SkMatrix* outMatrix) const override; 96b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger virtual void setMatrix(const SkMatrix& matrix) override; 97b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger virtual void concat(const SkMatrix& matrix) override; 98b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger virtual void rotate(float degrees) override; 99b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger virtual void scale(float sx, float sy) override; 100b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger virtual void skew(float sx, float sy) override; 101b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger virtual void translate(float dx, float dy) override; 102b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger 103b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger virtual bool getClipBounds(SkRect* outRect) const override; 104b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger virtual bool quickRejectRect(float left, float top, float right, float bottom) const override; 105b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger virtual bool quickRejectPath(const SkPath& path) const override; 106b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger virtual bool clipRect(float left, float top, float right, float bottom, 107b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger SkRegion::Op op) override; 108b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger virtual bool clipPath(const SkPath* path, SkRegion::Op op) override; 109b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger virtual bool clipRegion(const SkRegion* region, SkRegion::Op op) override; 110b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger 111b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger virtual SkDrawFilter* getDrawFilter() override; 112b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger virtual void setDrawFilter(SkDrawFilter* drawFilter) override; 113b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger 114b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger virtual void drawColor(int color, SkXfermode::Mode mode) override; 115b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger virtual void drawPaint(const SkPaint& paint) override; 116b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger 117b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger virtual void drawPoint(float x, float y, const SkPaint& paint) override; 118b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger virtual void drawPoints(const float* points, int count, const SkPaint& paint) override; 1198872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger virtual void drawLine(float startX, float startY, float stopX, float stopY, 120b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger const SkPaint& paint) override; 121b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger virtual void drawLines(const float* points, int count, const SkPaint& paint) override; 122b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger virtual void drawRect(float left, float top, float right, float bottom, 123b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger const SkPaint& paint) override; 12494394b3fb048d5349a77b57950ab7f6b6e92ce34Derek Sollenberger virtual void drawRegion(const SkRegion& region, const SkPaint& paint) override; 1258872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger virtual void drawRoundRect(float left, float top, float right, float bottom, 126b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger float rx, float ry, const SkPaint& paint) override; 127b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger virtual void drawCircle(float x, float y, float radius, const SkPaint& paint) override; 128b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger virtual void drawOval(float left, float top, float right, float bottom, 129b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger const SkPaint& paint) override; 1308872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger virtual void drawArc(float left, float top, float right, float bottom, 131b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger float startAngle, float sweepAngle, bool useCenter, const SkPaint& paint) override; 132b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger virtual void drawPath(const SkPath& path, const SkPaint& paint) override; 1338872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger virtual void drawVertices(SkCanvas::VertexMode vertexMode, int vertexCount, 1348872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const float* verts, const float* tex, const int* colors, 135b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger const uint16_t* indices, int indexCount, const SkPaint& paint) override; 1368872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 137b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger virtual void drawBitmap(const SkBitmap& bitmap, float left, float top, 138b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger const SkPaint* paint) override; 139b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger virtual void drawBitmap(const SkBitmap& bitmap, const SkMatrix& matrix, 140b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger const SkPaint* paint) override; 1418872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger virtual void drawBitmap(const SkBitmap& bitmap, float srcLeft, float srcTop, 1428872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger float srcRight, float srcBottom, float dstLeft, float dstTop, 143b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger float dstRight, float dstBottom, const SkPaint* paint) override; 1448872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger virtual void drawBitmapMesh(const SkBitmap& bitmap, int meshWidth, int meshHeight, 145b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger const float* vertices, const int* colors, const SkPaint* paint) override; 146edca320a2b42011f98c308fdf25fc0494c6a5454Derek Sollenberger virtual void drawNinePatch(const SkBitmap& bitmap, const android::Res_png_9patch& chunk, 147edca320a2b42011f98c308fdf25fc0494c6a5454Derek Sollenberger float dstLeft, float dstTop, float dstRight, float dstBottom, 148edca320a2b42011f98c308fdf25fc0494c6a5454Derek Sollenberger const SkPaint* paint) override; 1498872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 150b3d50e007523d1ada0866d384c391c72ac1a3577Derek Sollenberger virtual bool drawTextAbsolutePos() const override { return true; } 151766431aa57c16ece8842287a92b2e7208e3b8ac3Doris Liu virtual void drawVectorDrawable(VectorDrawableRoot* vectorDrawable) override; 1528872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1536f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger virtual void drawRoundRect(uirenderer::CanvasPropertyPrimitive* left, 1546f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* top, uirenderer::CanvasPropertyPrimitive* right, 1556f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* bottom, uirenderer::CanvasPropertyPrimitive* rx, 1566f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* ry, uirenderer::CanvasPropertyPaint* paint) override; 1576f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger virtual void drawCircle(uirenderer::CanvasPropertyPrimitive* x, 1586f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* y, uirenderer::CanvasPropertyPrimitive* radius, 1596f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPaint* paint) override; 1606f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 1616f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger virtual void drawLayer(uirenderer::DeferredLayerUpdater* layerHandle) override; 1626f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger virtual void drawRenderNode(uirenderer::RenderNode* renderNode) override; 1636f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger virtual void callDrawGLFunction(Functor* functor) override; 1646f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 16579abbf22d4f672208327546661e694d837f564a9Derek Sollenbergerprotected: 16679abbf22d4f672208327546661e694d837f564a9Derek Sollenberger virtual void drawGlyphs(const uint16_t* text, const float* positions, int count, 16779abbf22d4f672208327546661e694d837f564a9Derek Sollenberger const SkPaint& paint, float x, float y, 16879abbf22d4f672208327546661e694d837f564a9Derek Sollenberger float boundsLeft, float boundsTop, float boundsRight, float boundsBottom, 16979abbf22d4f672208327546661e694d837f564a9Derek Sollenberger float totalAdvance) override; 17079abbf22d4f672208327546661e694d837f564a9Derek Sollenberger virtual void drawGlyphsOnPath(const uint16_t* glyphs, int count, const SkPath& path, 17179abbf22d4f672208327546661e694d837f564a9Derek Sollenberger float hOffset, float vOffset, const SkPaint& paint) override; 17279abbf22d4f672208327546661e694d837f564a9Derek Sollenberger 1738872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerprivate: 1748872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger struct SaveRec { 175eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita int saveCount; 176eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita SaveFlags::Flags saveFlags; 1778872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger }; 1788872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1796578a989566e585eee053095dc80e2552e125db2Derek Sollenberger bool mHighContrastText = false; 1806578a989566e585eee053095dc80e2552e125db2Derek Sollenberger 181eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita void recordPartialSave(SaveFlags::Flags flags); 1828872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger void saveClipsForFrame(SkTArray<SkClipStack::Element>& clips, int frameSaveCount); 1838872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger void applyClips(const SkTArray<SkClipStack::Element>& clips); 1848872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 185acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger void drawPoints(const float* points, int count, const SkPaint& paint, 1868872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkCanvas::PointMode mode); 1878872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1888872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkAutoTUnref<SkCanvas> mCanvas; 18960126efd7d905ca24822765c6dafac17fef278abBen Wagner std::unique_ptr<SkDeque> mSaveStack; // lazily allocated, tracks partial saves. 1908872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger}; 1918872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 192c1b33d665c8caf5760f68c45c6ca0baa649b832aJohn ReckCanvas* Canvas::create_canvas(const SkBitmap& bitmap) { 1938872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return new SkiaCanvas(bitmap); 1948872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1958872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1968872b38ef403cc2c44aca07d392f5e9426fd7f54Derek SollenbergerCanvas* Canvas::create_canvas(SkCanvas* skiaCanvas) { 1978872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return new SkiaCanvas(skiaCanvas); 1988872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1998872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 200c1b33d665c8caf5760f68c45c6ca0baa649b832aJohn ReckSkiaCanvas::SkiaCanvas(const SkBitmap& bitmap) { 201c1b33d665c8caf5760f68c45c6ca0baa649b832aJohn Reck mCanvas.reset(new SkCanvas(bitmap)); 2028872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2038872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2048872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 2058872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas state operations: Replace Bitmap 2068872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 2078872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2088872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerclass ClipCopier : public SkCanvas::ClipVisitor { 2098872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerpublic: 2108872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger ClipCopier(SkCanvas* dstCanvas) : m_dstCanvas(dstCanvas) {} 2118872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2128872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger virtual void clipRect(const SkRect& rect, SkRegion::Op op, bool antialias) { 2138872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger m_dstCanvas->clipRect(rect, op, antialias); 2148872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 2158872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger virtual void clipRRect(const SkRRect& rrect, SkRegion::Op op, bool antialias) { 2168872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger m_dstCanvas->clipRRect(rrect, op, antialias); 2178872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 2188872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger virtual void clipPath(const SkPath& path, SkRegion::Op op, bool antialias) { 2198872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger m_dstCanvas->clipPath(path, op, antialias); 2208872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 2218872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2228872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerprivate: 2238872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkCanvas* m_dstCanvas; 2248872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger}; 2258872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 226c1b33d665c8caf5760f68c45c6ca0baa649b832aJohn Reckvoid SkiaCanvas::setBitmap(const SkBitmap& bitmap) { 227c1b33d665c8caf5760f68c45c6ca0baa649b832aJohn Reck SkCanvas* newCanvas = new SkCanvas(bitmap); 2288872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 229c1b33d665c8caf5760f68c45c6ca0baa649b832aJohn Reck if (!bitmap.isNull()) { 2308872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // Copy the canvas matrix & clip state. 2318872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger newCanvas->setMatrix(mCanvas->getTotalMatrix()); 232f35b989d26bb98900f6c5fa2e586326b30b6e161Leon Scroggins III 233f35b989d26bb98900f6c5fa2e586326b30b6e161Leon Scroggins III ClipCopier copier(newCanvas); 234f35b989d26bb98900f6c5fa2e586326b30b6e161Leon Scroggins III mCanvas->replayClips(&copier); 2358872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 2368872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2378872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // unrefs the existing canvas 2388872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas.reset(newCanvas); 2398872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2408872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // clean up the old save stack 2418872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mSaveStack.reset(NULL); 2428872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2438872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2448872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 2458872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas state operations 2468872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 2478872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2488872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerbool SkiaCanvas::isOpaque() { 249f35b989d26bb98900f6c5fa2e586326b30b6e161Leon Scroggins III return mCanvas->imageInfo().isOpaque(); 2508872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2518872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2528872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerint SkiaCanvas::width() { 253f35b989d26bb98900f6c5fa2e586326b30b6e161Leon Scroggins III return mCanvas->imageInfo().width(); 2548872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2558872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2568872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerint SkiaCanvas::height() { 257f35b989d26bb98900f6c5fa2e586326b30b6e161Leon Scroggins III return mCanvas->imageInfo().height(); 2588872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2598872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2608872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 2618872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas state operations: Save (layer) 2628872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 2638872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2648872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerint SkiaCanvas::getSaveCount() const { 2658872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return mCanvas->getSaveCount(); 2668872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2678872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 268eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malitaint SkiaCanvas::save(SaveFlags::Flags flags) { 2698872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger int count = mCanvas->save(); 2708872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger recordPartialSave(flags); 2718872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return count; 2728872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2738872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2745e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita// The SkiaCanvas::restore operation layers on the capability to preserve 2755e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita// either (or both) the matrix and/or clip state after a SkCanvas::restore 2765e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita// operation. It does this by explicitly saving off the clip & matrix state 2775e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita// when requested and playing it back after the SkCanvas::restore. 2788872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::restore() { 2798872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const SaveRec* rec = (NULL == mSaveStack.get()) 2808872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger ? NULL 2818872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger : static_cast<SaveRec*>(mSaveStack->back()); 2825e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita int currentSaveCount = mCanvas->getSaveCount(); 2838872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkASSERT(NULL == rec || currentSaveCount >= rec->saveCount); 2848872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2858872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (NULL == rec || rec->saveCount != currentSaveCount) { 2868872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // Fast path - no record for this frame. 2878872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->restore(); 2888872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return; 2898872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 2908872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 291eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita bool preserveMatrix = !(rec->saveFlags & SaveFlags::Matrix); 292eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita bool preserveClip = !(rec->saveFlags & SaveFlags::Clip); 2938872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2948872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkMatrix savedMatrix; 2958872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (preserveMatrix) { 2968872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger savedMatrix = mCanvas->getTotalMatrix(); 2978872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 2988872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2998872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkTArray<SkClipStack::Element> savedClips; 3005e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita int topClipStackFrame = mCanvas->getClipStack()->getSaveCount(); 3018872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (preserveClip) { 3025e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita saveClipsForFrame(savedClips, topClipStackFrame); 3038872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3048872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3058872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->restore(); 3068872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3078872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (preserveMatrix) { 3088872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->setMatrix(savedMatrix); 3098872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3108872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3115e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita if (preserveClip && !savedClips.empty() && 3125e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita topClipStackFrame != mCanvas->getClipStack()->getSaveCount()) { 3135e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita // Only reapply the saved clips if the top clip stack frame was actually 3145e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita // popped by restore(). If it wasn't, it means it doesn't belong to the 3155e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita // restored canvas frame (SkCanvas lazy save/restore kicked in). 3168872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger applyClips(savedClips); 3178872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3188872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3198872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mSaveStack->pop_back(); 3208872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3218872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3228872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::restoreToCount(int restoreCount) { 3238872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger while (mCanvas->getSaveCount() > restoreCount) { 3248872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger this->restore(); 3258872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3268872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3278872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 328eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malitastatic inline SkCanvas::SaveLayerFlags layerFlags(SaveFlags::Flags flags) { 329eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita SkCanvas::SaveLayerFlags layerFlags = 0; 330eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita 331eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita if (!(flags & SaveFlags::HasAlphaLayer)) { 332eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita layerFlags |= SkCanvas::kIsOpaque_SaveLayerFlag; 333eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita } 334eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita 335eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita if (!(flags & SaveFlags::ClipToLayer)) { 336eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita layerFlags |= SkCanvas::kDontClipToLayer_Legacy_SaveLayerFlag; 337eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita } 338eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita 339eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita return layerFlags; 340eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita} 341eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita 3428872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerint SkiaCanvas::saveLayer(float left, float top, float right, float bottom, 343eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita const SkPaint* paint, SaveFlags::Flags flags) { 344eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita const SkRect bounds = SkRect::MakeLTRB(left, top, right, bottom); 345eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita const SkCanvas::SaveLayerRec rec(&bounds, paint, layerFlags(flags)); 346eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita 347eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita int count = mCanvas->saveLayer(rec); 3488872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger recordPartialSave(flags); 3498872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return count; 3508872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3518872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3528872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerint SkiaCanvas::saveLayerAlpha(float left, float top, float right, float bottom, 353eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita int alpha, SaveFlags::Flags flags) { 354eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita SkTLazy<SkPaint> alphaPaint; 355eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita if (static_cast<unsigned>(alpha) < 0xFF) { 356eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita alphaPaint.init()->setAlpha(alpha); 357eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita } 358eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita 359eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita return this->saveLayer(left, top, right, bottom, alphaPaint.getMaybeNull(), 360eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita flags); 3618872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3628872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3638872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 3648872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// functions to emulate legacy SaveFlags (i.e. independent matrix/clip flags) 3658872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 3668872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 367eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malitavoid SkiaCanvas::recordPartialSave(SaveFlags::Flags flags) { 3688872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // A partial save is a save operation which doesn't capture the full canvas state. 369eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita // (either SaveFlags::Matrix or SaveFlags::Clip is missing). 3708872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3718872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // Mask-out non canvas state bits. 372eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita flags &= SaveFlags::MatrixClip; 3738872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 374eecff56fed5dd5206acfbc5007b4912081b36d3bFlorin Malita if (flags == SaveFlags::MatrixClip) { 3758872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // not a partial save. 3768872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return; 3778872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3788872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3798872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (NULL == mSaveStack.get()) { 380d1cbc1608906302130158acc4c72c82c89b49e10Ben Wagner mSaveStack.reset(new SkDeque(sizeof(struct SaveRec), 8)); 3818872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3828872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3838872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SaveRec* rec = static_cast<SaveRec*>(mSaveStack->push_back()); 3845e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita rec->saveCount = mCanvas->getSaveCount(); 3858872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger rec->saveFlags = flags; 3868872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3878872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3885e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malitavoid SkiaCanvas::saveClipsForFrame(SkTArray<SkClipStack::Element>& clips, 3895e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita int saveCountToBackup) { 3905e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita // Each SkClipStack::Element stores the index of the canvas save 3915e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita // with which it is associated. Backup only those Elements that 3925e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita // are associated with 'saveCountToBackup' 3938872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkClipStack::Iter clipIterator(*mCanvas->getClipStack(), 3948872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkClipStack::Iter::kTop_IterStart); 3955e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita while (const SkClipStack::Element* elem = clipIterator.prev()) { 3965e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita if (elem->getSaveCount() < saveCountToBackup) { 3975e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita // done with the target save count. 3988872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger break; 3998872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 4005e27140f48a1ec0ae3890dca84bfa91bd32ecb3bFlorin Malita SkASSERT(elem->getSaveCount() == saveCountToBackup); 4018872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger clips.push_back(*elem); 4028872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 4038872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4048872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4058872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::applyClips(const SkTArray<SkClipStack::Element>& clips) { 4068872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger ClipCopier clipCopier(mCanvas); 4078872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4088872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // The clip stack stores clips in device space. 4098872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkMatrix origMatrix = mCanvas->getTotalMatrix(); 4108872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->resetMatrix(); 4118872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4128872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // We pushed the clips in reverse order. 4138872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int i = clips.count() - 1; i >= 0; --i) { 4148872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger clips[i].replay(&clipCopier); 4158872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 4168872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4178872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->setMatrix(origMatrix); 4188872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4198872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4208872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 4218872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas state operations: Matrix 4228872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 4238872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4248872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::getMatrix(SkMatrix* outMatrix) const { 4258872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *outMatrix = mCanvas->getTotalMatrix(); 4268872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4278872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4288872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::setMatrix(const SkMatrix& matrix) { 4298872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->setMatrix(matrix); 4308872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4318872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4328872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::concat(const SkMatrix& matrix) { 4338872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->concat(matrix); 4348872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4358872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4368872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::rotate(float degrees) { 4378872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->rotate(degrees); 4388872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4398872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4408872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::scale(float sx, float sy) { 4418872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->scale(sx, sy); 4428872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4438872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4448872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::skew(float sx, float sy) { 4458872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->skew(sx, sy); 4468872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4478872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4488872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::translate(float dx, float dy) { 4498872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->translate(dx, dy); 4508872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4518872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4528872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 4538872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas state operations: Clips 4548872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 4558872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4568872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// This function is a mirror of SkCanvas::getClipBounds except that it does 4578872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// not outset the edge of the clip to account for anti-aliasing. There is 4588872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// a skia bug to investigate pushing this logic into back into skia. 4598872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// (see https://code.google.com/p/skia/issues/detail?id=1303) 4608872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerbool SkiaCanvas::getClipBounds(SkRect* outRect) const { 4618872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkIRect ibounds; 4628872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (!mCanvas->getClipDeviceBounds(&ibounds)) { 4638872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return false; 4648872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 4658872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4668872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkMatrix inverse; 4678872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // if we can't invert the CTM, we can't return local clip bounds 4688872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (!mCanvas->getTotalMatrix().invert(&inverse)) { 4698872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (outRect) { 4708872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger outRect->setEmpty(); 4718872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 4728872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return false; 4738872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 4748872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4758872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (NULL != outRect) { 4768872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect r = SkRect::Make(ibounds); 4778872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger inverse.mapRect(outRect, r); 4788872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 4798872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return true; 4808872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4818872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4828872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerbool SkiaCanvas::quickRejectRect(float left, float top, float right, float bottom) const { 4838872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect bounds = SkRect::MakeLTRB(left, top, right, bottom); 4848872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return mCanvas->quickReject(bounds); 4858872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4868872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4878872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerbool SkiaCanvas::quickRejectPath(const SkPath& path) const { 4888872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return mCanvas->quickReject(path); 4898872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4908872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4918872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerbool SkiaCanvas::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 4928872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 4938872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->clipRect(rect, op); 4945ec6a2878b2ad933c5da6fe2341c854155acc24cChris Craik return !mCanvas->isClipEmpty(); 4958872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4968872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4978872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerbool SkiaCanvas::clipPath(const SkPath* path, SkRegion::Op op) { 4988872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->clipPath(*path, op); 4995ec6a2878b2ad933c5da6fe2341c854155acc24cChris Craik return !mCanvas->isClipEmpty(); 5008872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5018872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5028872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerbool SkiaCanvas::clipRegion(const SkRegion* region, SkRegion::Op op) { 5038872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkPath rgnPath; 5048872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (region->getBoundaryPath(&rgnPath)) { 5058872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // The region is specified in device space. 5068872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkMatrix savedMatrix = mCanvas->getTotalMatrix(); 5078872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->resetMatrix(); 5088872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->clipPath(rgnPath, op); 5098872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->setMatrix(savedMatrix); 5108872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } else { 5118872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->clipRect(SkRect::MakeEmpty(), op); 5128872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 5135ec6a2878b2ad933c5da6fe2341c854155acc24cChris Craik return !mCanvas->isClipEmpty(); 5148872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5158872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5168872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 5178872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas state operations: Filters 5188872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 5198872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 520acb4099deff72c2c631f7110a405a3331d3e8b27Derek SollenbergerSkDrawFilter* SkiaCanvas::getDrawFilter() { 521acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger return mCanvas->getDrawFilter(); 522acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger} 523acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger 5248872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::setDrawFilter(SkDrawFilter* drawFilter) { 5258872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->setDrawFilter(drawFilter); 5268872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5278872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5288872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 5298872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas draw operations 5308872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 5318872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5328872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::drawColor(int color, SkXfermode::Mode mode) { 5338872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawColor(color, mode); 5348872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5358872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 536acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawPaint(const SkPaint& paint) { 5378872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawPaint(paint); 5388872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5398872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5408872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 5418872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas draw operations: Geometry 5428872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 5438872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 544acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawPoints(const float* points, int count, const SkPaint& paint, 5458872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkCanvas::PointMode mode) { 5468872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // convert the floats into SkPoints 5478872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger count >>= 1; // now it is the number of points 5486bbf68d05a9deb335fc693b4a64651aea1b4e9e0Ben Wagner std::unique_ptr<SkPoint[]> pts(new SkPoint[count]); 5498872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int i = 0; i < count; i++) { 5508872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger pts[i].set(points[0], points[1]); 5518872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger points += 2; 5528872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 5536bbf68d05a9deb335fc693b4a64651aea1b4e9e0Ben Wagner mCanvas->drawPoints(mode, count, pts.get(), paint); 5548872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5558872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5568872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 557acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawPoint(float x, float y, const SkPaint& paint) { 5588872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawPoint(x, y, paint); 5598872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5608872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 561acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawPoints(const float* points, int count, const SkPaint& paint) { 5628872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger this->drawPoints(points, count, paint, SkCanvas::kPoints_PointMode); 5638872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5648872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5658872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::drawLine(float startX, float startY, float stopX, float stopY, 566acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger const SkPaint& paint) { 5678872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawLine(startX, startY, stopX, stopY, paint); 5688872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5698872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 570acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawLines(const float* points, int count, const SkPaint& paint) { 5718872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger this->drawPoints(points, count, paint, SkCanvas::kLines_PointMode); 5728872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5738872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5748872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::drawRect(float left, float top, float right, float bottom, 575acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger const SkPaint& paint) { 5768872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawRectCoords(left, top, right, bottom, paint); 5778872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5788872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5798872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 58094394b3fb048d5349a77b57950ab7f6b6e92ce34Derek Sollenbergervoid SkiaCanvas::drawRegion(const SkRegion& region, const SkPaint& paint) { 58194394b3fb048d5349a77b57950ab7f6b6e92ce34Derek Sollenberger SkRegion::Iterator it(region); 58294394b3fb048d5349a77b57950ab7f6b6e92ce34Derek Sollenberger while (!it.done()) { 58394394b3fb048d5349a77b57950ab7f6b6e92ce34Derek Sollenberger mCanvas->drawRect(SkRect::Make(it.rect()), paint); 58494394b3fb048d5349a77b57950ab7f6b6e92ce34Derek Sollenberger it.next(); 58594394b3fb048d5349a77b57950ab7f6b6e92ce34Derek Sollenberger } 58694394b3fb048d5349a77b57950ab7f6b6e92ce34Derek Sollenberger} 58794394b3fb048d5349a77b57950ab7f6b6e92ce34Derek Sollenberger 5888872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::drawRoundRect(float left, float top, float right, float bottom, 589acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger float rx, float ry, const SkPaint& paint) { 5908872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 5918872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawRoundRect(rect, rx, ry, paint); 5928872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5938872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 594acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawCircle(float x, float y, float radius, const SkPaint& paint) { 5958872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawCircle(x, y, radius, paint); 5968872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5978872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 598acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawOval(float left, float top, float right, float bottom, const SkPaint& paint) { 5998872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect oval = SkRect::MakeLTRB(left, top, right, bottom); 6008872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawOval(oval, paint); 6018872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 6028872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6038872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::drawArc(float left, float top, float right, float bottom, 604acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger float startAngle, float sweepAngle, bool useCenter, const SkPaint& paint) { 6058872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect arc = SkRect::MakeLTRB(left, top, right, bottom); 6068872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawArc(arc, startAngle, sweepAngle, useCenter, paint); 6078872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 6088872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 609acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawPath(const SkPath& path, const SkPaint& paint) { 6108872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawPath(path, paint); 6118872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 6128872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6138872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::drawVertices(SkCanvas::VertexMode vertexMode, int vertexCount, 6148872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const float* verts, const float* texs, const int* colors, 615acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger const uint16_t* indices, int indexCount, const SkPaint& paint) { 6168872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#ifndef SK_SCALAR_IS_FLOAT 6178872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkDEBUGFAIL("SkScalar must be a float for these conversions to be valid"); 6188872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#endif 6198872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const int ptCount = vertexCount >> 1; 6208872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawVertices(vertexMode, ptCount, (SkPoint*)verts, (SkPoint*)texs, 6218872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger (SkColor*)colors, NULL, indices, indexCount, paint); 6228872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 6238872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6248872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 6258872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas draw operations: Bitmaps 6268872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 6278872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 628acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawBitmap(const SkBitmap& bitmap, float left, float top, const SkPaint* paint) { 6298872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawBitmap(bitmap, left, top, paint); 6308872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 6318872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 632acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid SkiaCanvas::drawBitmap(const SkBitmap& bitmap, const SkMatrix& matrix, const SkPaint* paint) { 63370ffbf9e8288296ef7009c8297bcb6da6a7f73b2Mike Reed SkAutoCanvasRestore acr(mCanvas, true); 63470ffbf9e8288296ef7009c8297bcb6da6a7f73b2Mike Reed mCanvas->concat(matrix); 63570ffbf9e8288296ef7009c8297bcb6da6a7f73b2Mike Reed mCanvas->drawBitmap(bitmap, 0, 0, paint); 6368872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 6378872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6388872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::drawBitmap(const SkBitmap& bitmap, float srcLeft, float srcTop, 6398872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger float srcRight, float srcBottom, float dstLeft, float dstTop, 640acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger float dstRight, float dstBottom, const SkPaint* paint) { 6418872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect srcRect = SkRect::MakeLTRB(srcLeft, srcTop, srcRight, srcBottom); 6428872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect dstRect = SkRect::MakeLTRB(dstLeft, dstTop, dstRight, dstBottom); 643f35b989d26bb98900f6c5fa2e586326b30b6e161Leon Scroggins III mCanvas->drawBitmapRect(bitmap, srcRect, dstRect, paint); 6448872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 6458872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6468872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergervoid SkiaCanvas::drawBitmapMesh(const SkBitmap& bitmap, int meshWidth, int meshHeight, 647acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger const float* vertices, const int* colors, const SkPaint* paint) { 6488872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6498872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const int ptCount = (meshWidth + 1) * (meshHeight + 1); 6508872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const int indexCount = meshWidth * meshHeight * 6; 6518872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6528872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger /* Our temp storage holds 2 or 3 arrays. 6538872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger texture points [ptCount * sizeof(SkPoint)] 6548872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger optionally vertex points [ptCount * sizeof(SkPoint)] if we need a 6558872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger copy to convert from float to fixed 6568872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger indices [ptCount * sizeof(uint16_t)] 6578872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger */ 6588872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger ssize_t storageSize = ptCount * sizeof(SkPoint); // texs[] 6598872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger storageSize += indexCount * sizeof(uint16_t); // indices[] 6608872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6618872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6628872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#ifndef SK_SCALAR_IS_FLOAT 6638872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkDEBUGFAIL("SkScalar must be a float for these conversions to be valid"); 6648872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#endif 6656bbf68d05a9deb335fc693b4a64651aea1b4e9e0Ben Wagner std::unique_ptr<char[]> storage(new char[storageSize]); 6668872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkPoint* texs = (SkPoint*)storage.get(); 6678872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger uint16_t* indices = (uint16_t*)(texs + ptCount); 6688872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6698872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // cons up texture coordinates and indices 6708872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger { 6718872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const SkScalar w = SkIntToScalar(bitmap.width()); 6728872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const SkScalar h = SkIntToScalar(bitmap.height()); 6738872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const SkScalar dx = w / meshWidth; 6748872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const SkScalar dy = h / meshHeight; 6758872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6768872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkPoint* texsPtr = texs; 6778872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkScalar y = 0; 6788872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int i = 0; i <= meshHeight; i++) { 6798872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (i == meshHeight) { 6808872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger y = h; // to ensure numerically we hit h exactly 6818872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 6828872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkScalar x = 0; 6838872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int j = 0; j < meshWidth; j++) { 6848872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger texsPtr->set(x, y); 6858872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger texsPtr += 1; 6868872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger x += dx; 6878872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 6888872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger texsPtr->set(w, y); 6898872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger texsPtr += 1; 6908872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger y += dy; 6918872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 6928872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkASSERT(texsPtr - texs == ptCount); 6938872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 6948872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6958872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // cons up indices 6968872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger { 6978872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger uint16_t* indexPtr = indices; 6988872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger int index = 0; 6998872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int i = 0; i < meshHeight; i++) { 7008872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int j = 0; j < meshWidth; j++) { 7018872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // lower-left triangle 7028872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index; 7038872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index + meshWidth + 1; 7048872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index + meshWidth + 2; 7058872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // upper-right triangle 7068872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index; 7078872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index + meshWidth + 2; 7088872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger *indexPtr++ = index + 1; 7098872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // bump to the next cell 7108872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger index += 1; 7118872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 7128872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // bump to the next row 7138872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger index += 1; 7148872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 7158872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkASSERT(indexPtr - indices == indexCount); 7168872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkASSERT((char*)indexPtr - (char*)storage.get() == storageSize); 7178872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 7188872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 7198872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // double-check that we have legal indices 7208872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#ifdef SK_DEBUG 7218872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger { 7228872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (int i = 0; i < indexCount; i++) { 7238872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkASSERT((unsigned)indices[i] < (unsigned)ptCount); 7248872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 7258872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 7268872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#endif 7278872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 7288872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // cons-up a shader for the bitmap 729acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger SkPaint tmpPaint; 7308872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (paint) { 7318872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger tmpPaint = *paint; 7328872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 7338872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkShader* shader = SkShader::CreateBitmapShader(bitmap, 7348872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkShader::kClamp_TileMode, 7358872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkShader::kClamp_TileMode); 7368872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkSafeUnref(tmpPaint.setShader(shader)); 7378872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 7388872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger mCanvas->drawVertices(SkCanvas::kTriangles_VertexMode, ptCount, (SkPoint*)vertices, 7398872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger texs, (const SkColor*)colors, NULL, indices, 7408872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger indexCount, tmpPaint); 7418872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 7428872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 743edca320a2b42011f98c308fdf25fc0494c6a5454Derek Sollenbergervoid SkiaCanvas::drawNinePatch(const SkBitmap& bitmap, const Res_png_9patch& chunk, 744edca320a2b42011f98c308fdf25fc0494c6a5454Derek Sollenberger float dstLeft, float dstTop, float dstRight, float dstBottom, const SkPaint* paint) { 745edca320a2b42011f98c308fdf25fc0494c6a5454Derek Sollenberger SkRect bounds = SkRect::MakeLTRB(dstLeft, dstTop, dstRight, dstBottom); 746edca320a2b42011f98c308fdf25fc0494c6a5454Derek Sollenberger NinePatch::Draw(mCanvas, bounds, bitmap, chunk, paint, nullptr); 747edca320a2b42011f98c308fdf25fc0494c6a5454Derek Sollenberger} 748edca320a2b42011f98c308fdf25fc0494c6a5454Derek Sollenberger 749766431aa57c16ece8842287a92b2e7208e3b8ac3Doris Liuvoid SkiaCanvas::drawVectorDrawable(VectorDrawableRoot* vectorDrawable) { 750766431aa57c16ece8842287a92b2e7208e3b8ac3Doris Liu const SkBitmap& bitmap = vectorDrawable->getBitmapUpdateIfDirty(); 751766431aa57c16ece8842287a92b2e7208e3b8ac3Doris Liu SkRect bounds = vectorDrawable->getBounds(); 752766431aa57c16ece8842287a92b2e7208e3b8ac3Doris Liu drawBitmap(bitmap, 0, 0, bitmap.width(), bitmap.height(), 753766431aa57c16ece8842287a92b2e7208e3b8ac3Doris Liu bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom, 754766431aa57c16ece8842287a92b2e7208e3b8ac3Doris Liu vectorDrawable->getPaint()); 755766431aa57c16ece8842287a92b2e7208e3b8ac3Doris Liu} 756766431aa57c16ece8842287a92b2e7208e3b8ac3Doris Liu 7578872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 7588872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Canvas draw operations: Text 7598872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// ---------------------------------------------------------------------------- 7608872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 761dccca44ffda4836b56a21da95a046c9708ffd49csergeyvvoid SkiaCanvas::drawGlyphs(const uint16_t* text, const float* positions, int count, 762acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger const SkPaint& paint, float x, float y, 7638dfaa4904205772cdceee63ef3989bcdedf1a914Tom Hudson float boundsLeft, float boundsTop, float boundsRight, float boundsBottom, 7648dfaa4904205772cdceee63ef3989bcdedf1a914Tom Hudson float totalAdvance) { 765e3a40ea488c7cfa396d5901255719a6ddab791d4Ben Wagner static_assert(sizeof(SkPoint) == sizeof(float)*2, "SkPoint is no longer two floats"); 76679abbf22d4f672208327546661e694d837f564a9Derek Sollenberger mCanvas->drawPosText(text, count << 1, reinterpret_cast<const SkPoint*>(positions), paint); 767a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik drawTextDecorations(x, y, totalAdvance, paint); 7688872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 7698872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 770dccca44ffda4836b56a21da95a046c9708ffd49csergeyvvoid SkiaCanvas::drawGlyphsOnPath(const uint16_t* glyphs, int count, const SkPath& path, 771acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger float hOffset, float vOffset, const SkPaint& paint) { 77234e79c1e570673148e3e0bbd91df3180a00eeff1Tom Hudson mCanvas->drawTextOnPathHV(glyphs, count << 1, path, hOffset, vOffset, paint); 7738872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 7748872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 7756f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// ---------------------------------------------------------------------------- 7766f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// Canvas draw operations: Animations 7776f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// ---------------------------------------------------------------------------- 7786f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 7796f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenbergerclass AnimatedRoundRect : public SkDrawable { 7806f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger public: 7816f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger AnimatedRoundRect(uirenderer::CanvasPropertyPrimitive* left, 7826f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* top, uirenderer::CanvasPropertyPrimitive* right, 7836f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* bottom, uirenderer::CanvasPropertyPrimitive* rx, 7846f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* ry, uirenderer::CanvasPropertyPaint* p) : 7856f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger mLeft(left), mTop(top), mRight(right), mBottom(bottom), mRx(rx), mRy(ry), mPaint(p) {} 7866f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 7876f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger protected: 7886f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger virtual SkRect onGetBounds() override { 7896f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger return SkRect::MakeLTRB(mLeft->value, mTop->value, mRight->value, mBottom->value); 7906f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger } 7916f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger virtual void onDraw(SkCanvas* canvas) override { 7926f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger SkRect rect = SkRect::MakeLTRB(mLeft->value, mTop->value, mRight->value, mBottom->value); 7936f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger canvas->drawRoundRect(rect, mRx->value, mRy->value, mPaint->value); 7946f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger } 7956f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 7966f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger private: 7976f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPrimitive> mLeft; 7986f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPrimitive> mTop; 7996f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPrimitive> mRight; 8006f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPrimitive> mBottom; 8016f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPrimitive> mRx; 8026f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPrimitive> mRy; 8036f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPaint> mPaint; 8046f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger}; 8056f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 8066f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenbergerclass AnimatedCircle : public SkDrawable { 8076f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger public: 8086f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger AnimatedCircle(uirenderer::CanvasPropertyPrimitive* x, uirenderer::CanvasPropertyPrimitive* y, 8096f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* radius, uirenderer::CanvasPropertyPaint* paint) : 8106f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger mX(x), mY(y), mRadius(radius), mPaint(paint) {} 8116f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 8126f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger protected: 8136f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger virtual SkRect onGetBounds() override { 8146f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger const float x = mX->value; 8156f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger const float y = mY->value; 8166f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger const float radius = mRadius->value; 8176f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger return SkRect::MakeLTRB(x - radius, y - radius, x + radius, y + radius); 8186f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger } 8196f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger virtual void onDraw(SkCanvas* canvas) override { 8206f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger canvas->drawCircle(mX->value, mY->value, mRadius->value, mPaint->value); 8216f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger } 8226f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 8236f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger private: 8246f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPrimitive> mX; 8256f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPrimitive> mY; 8266f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPrimitive> mRadius; 8276f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger sp<uirenderer::CanvasPropertyPaint> mPaint; 8286f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger}; 8296f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 8306f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenbergervoid SkiaCanvas::drawRoundRect(uirenderer::CanvasPropertyPrimitive* left, 8316f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* top, uirenderer::CanvasPropertyPrimitive* right, 8326f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* bottom, uirenderer::CanvasPropertyPrimitive* rx, 8336f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* ry, uirenderer::CanvasPropertyPaint* paint) { 8346f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger SkAutoTUnref<AnimatedRoundRect> drawable( 8356f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger new AnimatedRoundRect(left, top, right, bottom, rx, ry, paint)); 8366f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger mCanvas->drawDrawable(drawable.get()); 8376f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger} 8386f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 8396f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenbergervoid SkiaCanvas::drawCircle(uirenderer::CanvasPropertyPrimitive* x, uirenderer::CanvasPropertyPrimitive* y, 8406f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger uirenderer::CanvasPropertyPrimitive* radius, uirenderer::CanvasPropertyPaint* paint) { 8416f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger SkAutoTUnref<AnimatedCircle> drawable(new AnimatedCircle(x, y, radius, paint)); 8426f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger mCanvas->drawDrawable(drawable.get()); 8436f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger} 8446f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 8456f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// ---------------------------------------------------------------------------- 8466f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// Canvas draw operations: View System 8476f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger// ---------------------------------------------------------------------------- 8486f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 8496f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenbergervoid SkiaCanvas::drawLayer(uirenderer::DeferredLayerUpdater* layer) { } 8506f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 8516f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenbergervoid SkiaCanvas::drawRenderNode(uirenderer::RenderNode* renderNode) { } 8526f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 8536f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenbergervoid SkiaCanvas::callDrawGLFunction(Functor* functor) { } 8546f485569fa3d6047dcffd068aebf361e3598783cDerek Sollenberger 8558872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} // namespace android 856