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- /*
- * 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/DrawCommand.h"
- class GrAuditTrail;
- class SkNWayCanvas;
- class SkPicture;
- class DebugCanvas : public SkCanvasVirtualEnforcer<SkCanvas> {
- public:
- DebugCanvas(int width, int height);
- DebugCanvas(SkIRect bounds);
- ~DebugCanvas() override;
- /**
- * 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 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.
- @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 up to the Nth draw, where N is less than
- DebugCanvas::getSize(). 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, int n, SkCanvas*);
- void toJSONOpList(SkJSONWriter& writer, int n, SkCanvas*);
- void detachCommands(SkTDArray<DrawCommand*>* dst) { fCommandVector.swap(*dst); }
- protected:
- void willSave() override;
- SaveLayerStrategy getSaveLayerStrategy(const SaveLayerRec&) override;
- bool onDoSaveBehind(const SkRect*) override;
- void willRestore() override;
- void didConcat(const SkMatrix&) override;
- void didSetMatrix(const SkMatrix&) 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*,
- const SkVertices::Bone bones[],
- int boneCount,
- SkBlendMode,
- const SkPaint&) override;
- void onDrawPath(const SkPath&, const SkPaint&) override;
- void onDrawRegion(const SkRegion&, const SkPaint&) override;
- void onDrawBitmap(const SkBitmap&, SkScalar left, SkScalar top, const SkPaint*) override;
- void onDrawBitmapLattice(const SkBitmap&,
- const Lattice&,
- const SkRect&,
- const SkPaint*) override;
- void onDrawBitmapRect(const SkBitmap&,
- const SkRect* src,
- const SkRect& dst,
- const SkPaint*,
- SrcRectConstraint) 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 onDrawBitmapNine(const SkBitmap&,
- const SkIRect& center,
- const SkRect& dst,
- const SkPaint*) 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 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,
- SkColor,
- SkBlendMode) override;
- void onDrawEdgeAAImageSet(const ImageSetEntry[],
- int count,
- const SkPoint[],
- const SkMatrix[],
- const SkPaint*,
- SrcRectConstraint) override;
- private:
- SkTDArray<DrawCommand*> fCommandVector;
- SkMatrix fMatrix;
- SkIRect fClip;
- bool fOverdrawViz;
- SkColor fClipVizColor;
- bool fDrawGpuOpBounds;
- /**
- 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(int n, SkCanvas*);
- void cleanupAuditTrail(SkCanvas*);
- typedef SkCanvasVirtualEnforcer<SkCanvas> INHERITED;
- };
- #endif
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