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