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243 lines
8.8 KiB
243 lines
8.8 KiB
/*
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* Copyright 2012 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef SKDEBUGCANVAS_H_
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#define SKDEBUGCANVAS_H_
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#include "include/core/SkCanvas.h"
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#include "include/core/SkCanvasVirtualEnforcer.h"
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#include "include/core/SkPath.h"
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#include "include/core/SkString.h"
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#include "include/core/SkVertices.h"
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#include "include/pathops/SkPathOps.h"
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#include "include/private/SkTArray.h"
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#include "tools/UrlDataManager.h"
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#include "tools/debugger/DebugLayerManager.h"
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#include "tools/debugger/DrawCommand.h"
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#include <map>
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#include <vector>
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class GrAuditTrail;
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class SkNWayCanvas;
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class SkPicture;
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class DebugLayerManager;
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class DebugCanvas : public SkCanvasVirtualEnforcer<SkCanvas> {
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public:
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DebugCanvas(int width, int height);
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DebugCanvas(SkIRect bounds);
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~DebugCanvas() override;
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/**
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* Provide a DebugLayerManager for mskp files containing layer information
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* when set this DebugCanvas will attempt to parse layer info from annotations.
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* it will store layer pictures to the layer manager, and interpret some drawImageRects
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* as layer draws, deferring to the layer manager for images.
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* Provide a frame number that will be passed to all layer manager functions to identify this
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* DebugCanvas.
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*
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* Used only in wasm debugger animations.
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*/
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void setLayerManagerAndFrame(DebugLayerManager* lm, int frame) {
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fLayerManager = lm;
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fFrame = frame;
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}
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/**
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* Enable or disable overdraw visualization
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*/
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void setOverdrawViz(bool overdrawViz);
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bool getOverdrawViz() const { return fOverdrawViz; }
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/**
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* Set the color of the clip visualization. An alpha of zero renders the clip invisible.
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*/
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void setClipVizColor(SkColor clipVizColor) { this->fClipVizColor = clipVizColor; }
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void setAndroidClipViz(bool enable) { this->fShowAndroidClip = enable; }
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void setOriginVisible(bool enable) { this->fShowOrigin = enable; }
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void setDrawGpuOpBounds(bool drawGpuOpBounds) { fDrawGpuOpBounds = drawGpuOpBounds; }
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bool getDrawGpuOpBounds() const { return fDrawGpuOpBounds; }
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/**
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Executes all draw calls to the canvas.
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@param canvas The canvas being drawn to
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*/
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void draw(SkCanvas* canvas);
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/**
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Executes the draw calls up to the specified index.
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Does not clear the canvas to transparent black first,
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if needed, caller should do that first.
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@param canvas The canvas being drawn to
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@param index The index of the final command being executed
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@param m an optional Mth gpu op to highlight, or -1
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*/
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void drawTo(SkCanvas* canvas, int index, int m = -1);
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/**
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Returns the most recently calculated transformation matrix
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*/
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const SkM44& getCurrentMatrix() { return fMatrix; }
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/**
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Returns the most recently calculated clip
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*/
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const SkIRect& getCurrentClip() { return fClip; }
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/**
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Removes the command at the specified index
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@param index The index of the command to delete
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*/
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void deleteDrawCommandAt(int index);
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/**
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Returns the draw command at the given index.
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@param index The index of the command
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*/
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DrawCommand* getDrawCommandAt(int index) const;
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/**
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Returns length of draw command vector.
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*/
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int getSize() const { return fCommandVector.count(); }
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/**
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Toggles the visibility / execution of the draw command at index i with
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the value of toggle.
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*/
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void toggleCommand(int index, bool toggle);
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/**
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Returns a JSON object representing all commands in the picture.
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The encoder may use the UrlDataManager to store binary data such
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as images, referring to them via URLs embedded in the JSON.
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*/
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void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager, SkCanvas*);
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void toJSONOpsTask(SkJSONWriter& writer, SkCanvas*);
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void detachCommands(SkTDArray<DrawCommand*>* dst) { fCommandVector.swap(*dst); }
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/**
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Returns a map from image IDs to command indices where they are used.
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*/
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std::map<int, std::vector<int>> getImageIdToCommandMap(UrlDataManager& udm) const;
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protected:
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void willSave() override;
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SaveLayerStrategy getSaveLayerStrategy(const SaveLayerRec&) override;
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bool onDoSaveBehind(const SkRect*) override;
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void willRestore() override;
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void didConcat44(const SkM44&) override;
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void didSetM44(const SkM44&) override;
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void didScale(SkScalar, SkScalar) override;
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void didTranslate(SkScalar, SkScalar) override;
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void onDrawAnnotation(const SkRect&, const char[], SkData*) override;
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void onDrawDRRect(const SkRRect&, const SkRRect&, const SkPaint&) override;
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void onDrawTextBlob(const SkTextBlob* blob,
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SkScalar x,
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SkScalar y,
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const SkPaint& paint) override;
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void onDrawPatch(const SkPoint cubics[12],
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const SkColor colors[4],
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const SkPoint texCoords[4],
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SkBlendMode,
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const SkPaint& paint) override;
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void onDrawPaint(const SkPaint&) override;
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void onDrawBehind(const SkPaint&) override;
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void onDrawRect(const SkRect&, const SkPaint&) override;
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void onDrawOval(const SkRect&, const SkPaint&) override;
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void onDrawArc(const SkRect&, SkScalar, SkScalar, bool, const SkPaint&) override;
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void onDrawRRect(const SkRRect&, const SkPaint&) override;
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void onDrawPoints(PointMode, size_t count, const SkPoint pts[], const SkPaint&) override;
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void onDrawVerticesObject(const SkVertices*, SkBlendMode, const SkPaint&) override;
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void onDrawPath(const SkPath&, const SkPaint&) override;
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void onDrawRegion(const SkRegion&, const SkPaint&) override;
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void onDrawImage2(const SkImage*, SkScalar, SkScalar, const SkSamplingOptions&,
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const SkPaint*) override;
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void onDrawImageRect2(const SkImage*, const SkRect&, const SkRect&, const SkSamplingOptions&,
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const SkPaint*, SrcRectConstraint) override;
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void onDrawImageLattice2(const SkImage*, const Lattice&, const SkRect&, SkFilterMode,
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const SkPaint*) override;
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void onDrawAtlas2(const SkImage*, const SkRSXform[], const SkRect[], const SkColor[], int,
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SkBlendMode, const SkSamplingOptions&, const SkRect*, const SkPaint*) override;
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void onClipRect(const SkRect&, SkClipOp, ClipEdgeStyle) override;
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void onClipRRect(const SkRRect&, SkClipOp, ClipEdgeStyle) override;
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void onClipPath(const SkPath&, SkClipOp, ClipEdgeStyle) override;
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void onClipShader(sk_sp<SkShader>, SkClipOp) override;
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void onClipRegion(const SkRegion& region, SkClipOp) override;
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void onDrawShadowRec(const SkPath&, const SkDrawShadowRec&) override;
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void onDrawDrawable(SkDrawable*, const SkMatrix*) override;
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void onDrawPicture(const SkPicture*, const SkMatrix*, const SkPaint*) override;
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void onDrawEdgeAAQuad(const SkRect&,
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const SkPoint[4],
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QuadAAFlags,
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const SkColor4f&,
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SkBlendMode) override;
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void onDrawEdgeAAImageSet2(const ImageSetEntry[],
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int count,
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const SkPoint[],
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const SkMatrix[],
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const SkSamplingOptions&,
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const SkPaint*,
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SrcRectConstraint) override;
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private:
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SkTDArray<DrawCommand*> fCommandVector;
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SkM44 fMatrix;
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SkIRect fClip;
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bool fOverdrawViz = false;
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SkColor fClipVizColor;
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bool fDrawGpuOpBounds = false;
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bool fShowAndroidClip = false;
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bool fShowOrigin = false;
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// When not negative, indicates the render node id of the layer represented by the next
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// drawPicture call.
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int fnextDrawPictureLayerId = -1;
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int fnextDrawImageRectLayerId = -1;
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SkIRect fnextDrawPictureDirtyRect;
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// may be null, in which case layer annotations are ignored.
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DebugLayerManager* fLayerManager = nullptr;
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// May be set when DebugCanvas is used in playing back an animation.
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// Only used for passing to fLayerManager to identify itself.
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int fFrame = -1;
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SkRect fAndroidClip = SkRect::MakeEmpty();
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/**
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Adds the command to the class' vector of commands.
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@param command The draw command for execution
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*/
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void addDrawCommand(DrawCommand* command);
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GrAuditTrail* getAuditTrail(SkCanvas*);
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void drawAndCollectOps(SkCanvas*);
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void cleanupAuditTrail(SkCanvas*);
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using INHERITED = SkCanvasVirtualEnforcer<SkCanvas>;
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};
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#endif
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