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298 lines
9.9 KiB
298 lines
9.9 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 "SkCanvas.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 "SkPicture.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 SkDebugCanvas : public 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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void toggleFilter(bool toggle) { fFilter = toggle; } |
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void setMegaVizMode(bool megaVizMode) { fMegaVizMode = megaVizMode; } |
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bool getMegaVizMode() const { return fMegaVizMode; } |
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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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SkColor getClipVizColor() const { return fClipVizColor; } |
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void setDrawGpuOpBounds(bool drawGpuOpBounds) { fDrawGpuOpBounds = drawGpuOpBounds; } |
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bool getDrawGpuOpBounds() const { return fDrawGpuOpBounds; } |
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bool getAllowSimplifyClip() const { return fAllowSimplifyClip; } |
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void setPicture(SkPicture *picture) { fPicture = picture; } |
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/** |
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* Enable or disable texure filtering override |
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*/ |
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void overrideTexFiltering(bool overrideTexFiltering, SkFilterQuality); |
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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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Returns the index of the last draw command to write to the pixel at (x,y) |
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*/ |
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int getCommandAtPoint(int x, int y, int index); |
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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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Sets the draw command for a given index. |
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@param index The index to overwrite |
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@param command The new command |
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*/ |
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void setDrawCommandAt(int index, SkDrawCommand *command); |
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/** |
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Returns information about the command at the given index. |
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@param index The index of the command |
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*/ |
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const SkTDArray<SkString *> *getCommandInfo(int index) const; |
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/** |
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Returns the visibility of the command at the given index. |
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@param index The index of the command |
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*/ |
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bool getDrawCommandVisibilityAt(int index); |
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/** |
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Returns the vector of draw commands |
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*/ |
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SK_ATTR_DEPRECATED("please use getDrawCommandAt and getSize instead") |
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const SkTDArray<SkDrawCommand *> &getDrawCommands() const; |
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/** |
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Returns the vector of draw commands. Do not use this entry |
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point - it is going away! |
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*/ |
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SkTDArray<SkDrawCommand *> &getDrawCommands(); |
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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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void setUserMatrix(SkMatrix matrix) { |
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fUserMatrix = matrix; |
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} |
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SkString clipStackData() const { return fClipStackData; } |
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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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Json::Value toJSON(UrlDataManager &urlDataManager, int n, SkCanvas *); |
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Json::Value toJSONOpList(int n, SkCanvas*); |
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//////////////////////////////////////////////////////////////////////////////// |
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// Inherited from SkCanvas |
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//////////////////////////////////////////////////////////////////////////////// |
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static const int kVizImageHeight = 256; |
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static const int kVizImageWidth = 256; |
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bool isClipEmpty() const override { return false; } |
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bool isClipRect() const override { return true; } |
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SkRect onGetLocalClipBounds() const override { |
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return SkRect::MakeIWH(this->imageInfo().width(), this->imageInfo().height()); |
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} |
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SkIRect onGetDeviceClipBounds() const override { |
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return SkIRect::MakeWH(this->imageInfo().width(), this->imageInfo().height()); |
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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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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 onDrawText(const void* text, size_t byteLength, SkScalar x, SkScalar y, |
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const SkPaint&) override; |
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void onDrawPosText(const void* text, size_t byteLength, const SkPoint pos[], |
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const SkPaint&) override; |
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void onDrawPosTextH(const void* text, size_t byteLength, const SkScalar xpos[], |
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SkScalar constY, const SkPaint&) override; |
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void onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path, |
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const SkMatrix* matrix, const SkPaint&) override; |
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void onDrawTextRSXform(const void* text, size_t byteLength, const SkRSXform[], const SkRect*, |
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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 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 onDrawBitmap(const SkBitmap&, SkScalar left, SkScalar top, 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 onDrawBitmapNine(const SkBitmap&, const SkIRect& center, const SkRect& dst, |
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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 onDrawPicture(const SkPicture*, const SkMatrix*, const SkPaint*) override; |
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void markActiveCommands(int index); |
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private: |
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SkTDArray<SkDrawCommand*> fCommandVector; |
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SkPicture* fPicture; |
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bool fFilter; |
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bool fMegaVizMode; |
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SkMatrix fUserMatrix; |
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SkMatrix fMatrix; |
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SkIRect fClip; |
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SkString fClipStackData; |
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bool fCalledAddStackData; |
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SkPath fSaveDevPath; |
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bool fOverdrawViz; |
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bool fOverrideFilterQuality; |
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SkFilterQuality fFilterQuality; |
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SkColor fClipVizColor; |
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bool fDrawGpuOpBounds; |
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/** |
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The active saveLayer commands at a given point in the renderering. |
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Only used when "mega" visualization is enabled. |
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*/ |
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SkTDArray<SkDrawCommand*> fActiveLayers; |
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/** |
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Adds the command to the classes 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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/** |
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Applies any panning and zooming the user has specified before |
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drawing anything else into the canvas. |
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*/ |
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void applyUserTransform(SkCanvas* canvas); |
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void resetClipStackData() { fClipStackData.reset(); fCalledAddStackData = false; } |
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void addClipStackData(const SkPath& devPath, const SkPath& operand, SkClipOp elementOp); |
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void addPathData(const SkPath& path, const char* pathName); |
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bool lastClipStackData(const SkPath& devPath); |
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void outputConicPoints(const SkPoint* pts, SkScalar weight); |
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void outputPoints(const SkPoint* pts, int count); |
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void outputPointsCommon(const SkPoint* pts, int count); |
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void outputScalar(SkScalar num); |
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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 SkCanvas INHERITED; |
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}; |
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#endif
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