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193 lines
6.8 KiB
193 lines
6.8 KiB
4 months ago
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/*
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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 "SkCanvas.h"
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#include "SkCanvasVirtualEnforcer.h"
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#include "SkDrawCommand.h"
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#include "SkPath.h"
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#include "SkPathOps.h"
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#include "SkString.h"
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#include "SkTArray.h"
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#include "SkVertices.h"
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#include "UrlDataManager.h"
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class GrAuditTrail;
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class SkNWayCanvas;
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class SkPicture;
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class SkDebugCanvas : public SkCanvasVirtualEnforcer<SkCanvas> {
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public:
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SkDebugCanvas(int width, int height);
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~SkDebugCanvas() override;
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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 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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@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 SkMatrix &getCurrentMatrix() {
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return fMatrix;
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}
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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() {
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return fClip;
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}
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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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SkDrawCommand *getDrawCommandAt(int index);
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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 {
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return fCommandVector.count();
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}
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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 up to the Nth draw, where N is less than
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SkDebugCanvas::getSize(). 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, int n, SkCanvas *);
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void toJSONOpList(SkJSONWriter& writer, int n, SkCanvas*);
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void detachCommands(SkTDArray<SkDrawCommand*>* dst) {
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fCommandVector.swap(*dst);
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}
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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 didConcat(const SkMatrix &) override;
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void didSetMatrix(const SkMatrix &) 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, SkScalar x, SkScalar y,
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const SkPaint& paint) override;
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void onDrawPatch(const SkPoint cubics[12], const SkColor colors[4],
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const SkPoint texCoords[4], SkBlendMode, const SkPaint& paint) override;
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void onDrawPaint(const SkPaint&) override;
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void onDrawRect(const SkRect&, const SkPaint&) override;
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void onDrawEdgeAARect(const SkRect&, SkCanvas::QuadAAFlags, SkColor, SkBlendMode) 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*, const SkVertices::Bone bones[], int boneCount,
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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 onDrawBitmap(const SkBitmap&, SkScalar left, SkScalar top, const SkPaint*) override;
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void onDrawBitmapLattice(const SkBitmap&, const Lattice&, const SkRect&,
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const SkPaint*) override;
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void onDrawBitmapRect(const SkBitmap&, const SkRect* src, const SkRect& dst, const SkPaint*,
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SrcRectConstraint) override;
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void onDrawImage(const SkImage*, SkScalar left, SkScalar top, const SkPaint*) override;
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void onDrawImageLattice(const SkImage* image, const Lattice& lattice,
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const SkRect& dst, const SkPaint* paint) override;
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void onDrawImageRect(const SkImage*, const SkRect* src, const SkRect& dst,
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const SkPaint*, SrcRectConstraint) override;
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void onDrawImageSet(const ImageSetEntry[], int count, SkFilterQuality, SkBlendMode) override;
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void onDrawBitmapNine(const SkBitmap&, const SkIRect& center, const SkRect& dst,
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const SkPaint*) override;
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void onDrawImageNine(const SkImage*, const SkIRect& center, const SkRect& dst,
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const SkPaint*) override;
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void onDrawAtlas(const SkImage*, const SkRSXform[], const SkRect[], const SkColor[],
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int, SkBlendMode, 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 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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private:
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SkTDArray<SkDrawCommand*> fCommandVector;
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SkMatrix fMatrix;
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SkIRect fClip;
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bool fOverdrawViz;
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SkColor fClipVizColor;
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bool fDrawGpuOpBounds;
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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(SkDrawCommand* command);
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GrAuditTrail* getAuditTrail(SkCanvas*);
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void drawAndCollectOps(int n, SkCanvas*);
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void cleanupAuditTrail(SkCanvas*);
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typedef SkCanvasVirtualEnforcer<SkCanvas> INHERITED;
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};
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#endif
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