/* * 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 SKDRAWCOMMAND_H_ #define SKDRAWCOMMAND_H_ #include "include/core/SkBitmap.h" #include "include/core/SkCanvas.h" #include "include/core/SkFlattenable.h" #include "include/core/SkPath.h" #include "include/core/SkRRect.h" #include "include/core/SkRSXform.h" #include "include/core/SkRegion.h" #include "include/core/SkString.h" #include "include/core/SkVertices.h" #include "include/private/SkTDArray.h" #include "src/core/SkDrawShadowInfo.h" #include "src/core/SkTLazy.h" #include "src/utils/SkJSONWriter.h" #include "tools/UrlDataManager.h" class DrawCommand { public: enum OpType { kBeginDrawPicture_OpType, kClear_OpType, kClipPath_OpType, kClipRegion_OpType, kClipRect_OpType, kClipRRect_OpType, kConcat_OpType, kDrawAnnotation_OpType, kDrawBitmap_OpType, kDrawBitmapLattice_OpType, kDrawBitmapNine_OpType, kDrawBitmapRect_OpType, kDrawDRRect_OpType, kDrawImage_OpType, kDrawImageLattice_OpType, kDrawImageNine_OpType, kDrawImageRect_OpType, kDrawOval_OpType, kDrawArc_OpType, kDrawPaint_OpType, kDrawPatch_OpType, kDrawPath_OpType, kDrawPoints_OpType, kDrawRect_OpType, kDrawRRect_OpType, kDrawRegion_OpType, kDrawShadow_OpType, kDrawTextBlob_OpType, kDrawVertices_OpType, kDrawAtlas_OpType, kDrawDrawable_OpType, kDrawEdgeAAQuad_OpType, kDrawEdgeAAImageSet_OpType, kEndDrawPicture_OpType, kRestore_OpType, kSave_OpType, kSaveLayer_OpType, kSetMatrix_OpType, kLast_OpType = kSetMatrix_OpType }; static const int kOpTypeCount = kLast_OpType + 1; static void WritePNG(SkBitmap bitmap, SkWStream& out); DrawCommand(OpType opType); virtual ~DrawCommand() {} bool isVisible() const { return fVisible; } void setVisible(bool toggle) { fVisible = toggle; } virtual void execute(SkCanvas*) const = 0; virtual bool render(SkCanvas* canvas) const { return false; } virtual void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const; static const char* GetCommandString(OpType type); // Helper methods for converting things to JSON static void MakeJsonColor(SkJSONWriter&, const SkColor color); static void MakeJsonColor4f(SkJSONWriter&, const SkColor4f& color); static void MakeJsonPoint(SkJSONWriter&, const SkPoint& point); static void MakeJsonPoint(SkJSONWriter&, SkScalar x, SkScalar y); static void MakeJsonPoint3(SkJSONWriter&, const SkPoint3& point); static void MakeJsonRect(SkJSONWriter&, const SkRect& rect); static void MakeJsonIRect(SkJSONWriter&, const SkIRect&); static void MakeJsonMatrix(SkJSONWriter&, const SkMatrix&); static void MakeJsonPath(SkJSONWriter&, const SkPath& path); static void MakeJsonRegion(SkJSONWriter&, const SkRegion& region); static void MakeJsonPaint(SkJSONWriter&, const SkPaint& paint, UrlDataManager& urlDataManager); static void MakeJsonLattice(SkJSONWriter&, const SkCanvas::Lattice& lattice); static void flatten(const SkFlattenable* flattenable, SkJSONWriter& writer, UrlDataManager& urlDataManager); static bool flatten(const SkImage& image, SkJSONWriter& writer, UrlDataManager& urlDataManager); static bool flatten(const SkBitmap& bitmap, SkJSONWriter& writer, UrlDataManager& urlDataManager); private: OpType fOpType; bool fVisible; }; class RestoreCommand : public DrawCommand { public: RestoreCommand(); void execute(SkCanvas* canvas) const override; private: typedef DrawCommand INHERITED; }; class ClearCommand : public DrawCommand { public: ClearCommand(SkColor color); void execute(SkCanvas* canvas) const override; void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override; private: SkColor fColor; typedef DrawCommand INHERITED; }; class ClipPathCommand : public DrawCommand { public: ClipPathCommand(const SkPath& path, SkClipOp op, bool doAA); void execute(SkCanvas* canvas) const override; bool render(SkCanvas* canvas) const override; void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override; private: SkPath fPath; SkClipOp fOp; bool fDoAA; typedef DrawCommand INHERITED; }; class ClipRegionCommand : public DrawCommand { public: ClipRegionCommand(const SkRegion& region, SkClipOp op); void execute(SkCanvas* canvas) const override; void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override; private: SkRegion fRegion; SkClipOp fOp; typedef DrawCommand INHERITED; }; class ClipRectCommand : public DrawCommand { public: ClipRectCommand(const SkRect& rect, SkClipOp op, bool doAA); void execute(SkCanvas* canvas) const override; void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override; private: SkRect fRect; SkClipOp fOp; bool fDoAA; typedef DrawCommand INHERITED; }; class ClipRRectCommand : public DrawCommand { public: ClipRRectCommand(const SkRRect& rrect, SkClipOp op, bool doAA); void execute(SkCanvas* canvas) const override; bool render(SkCanvas* canvas) const override; void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override; private: SkRRect fRRect; SkClipOp fOp; bool fDoAA; typedef DrawCommand INHERITED; }; class ConcatCommand : public DrawCommand { public: ConcatCommand(const SkMatrix& matrix); void execute(SkCanvas* canvas) const override; void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override; private: SkMatrix fMatrix; typedef DrawCommand INHERITED; }; class DrawAnnotationCommand : public DrawCommand { public: DrawAnnotationCommand(const SkRect&, const char key[], sk_sp value); void execute(SkCanvas* canvas) const override; void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override; private: SkRect fRect; SkString fKey; sk_sp fValue; typedef DrawCommand INHERITED; }; class DrawBitmapCommand : public DrawCommand { public: DrawBitmapCommand(const SkBitmap& bitmap, SkScalar left, SkScalar top, const SkPaint* paint); void execute(SkCanvas* canvas) const override; bool render(SkCanvas* canvas) const override; void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override; private: SkBitmap fBitmap; SkScalar fLeft; SkScalar fTop; SkTLazy fPaint; typedef DrawCommand INHERITED; }; class DrawBitmapLatticeCommand : public DrawCommand { public: DrawBitmapLatticeCommand(const SkBitmap& bitmap, const SkCanvas::Lattice& lattice, const SkRect& dst, const SkPaint* paint); void execute(SkCanvas* canvas) const override; bool render(SkCanvas* canvas) const override; void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override; private: SkBitmap fBitmap; SkCanvas::Lattice fLattice; SkRect fDst; SkTLazy fPaint; typedef DrawCommand INHERITED; }; class DrawBitmapNineCommand : public DrawCommand { public: DrawBitmapNineCommand(const SkBitmap& bitmap, const SkIRect& center, const SkRect& dst, const SkPaint* paint); void execute(SkCanvas* canvas) const override; bool render(SkCanvas* canvas) const override; void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override; private: SkBitmap fBitmap; SkIRect fCenter; SkRect fDst; SkTLazy fPaint; typedef DrawCommand INHERITED; }; class DrawBitmapRectCommand : public DrawCommand { public: DrawBitmapRectCommand(const SkBitmap& bitmap, const SkRect* src, const SkRect& dst, const SkPaint* paint, SkCanvas::SrcRectConstraint); void execute(SkCanvas* canvas) const override; bool render(SkCanvas* canvas) const override; void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override; private: SkBitmap fBitmap; SkTLazy fSrc; SkRect fDst; SkTLazy fPaint; SkCanvas::SrcRectConstraint fConstraint; typedef DrawCommand INHERITED; }; class DrawImageCommand : public DrawCommand { public: DrawImageCommand(const SkImage* image, SkScalar left, SkScalar top, const SkPaint* paint); void execute(SkCanvas* canvas) const override; bool render(SkCanvas* canvas) const override; void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override; private: sk_sp fImage; SkScalar fLeft; SkScalar fTop; SkTLazy fPaint; typedef DrawCommand INHERITED; }; class DrawImageLatticeCommand : public DrawCommand { public: DrawImageLatticeCommand(const SkImage* image, const SkCanvas::Lattice& lattice, const SkRect& dst, const SkPaint* paint); void execute(SkCanvas* canvas) const override; bool render(SkCanvas* canvas) const override; void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override; private: sk_sp fImage; SkCanvas::Lattice fLattice; SkRect fDst; SkTLazy fPaint; typedef DrawCommand INHERITED; }; class DrawImageNineCommand : public DrawCommand { public: DrawImageNineCommand(const SkImage* image, const SkIRect& center, const SkRect& dst, const SkPaint* paint); void execute(SkCanvas* canvas) const override; bool render(SkCanvas* canvas) const override; void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override; private: sk_sp fImage; SkIRect fCenter; SkRect fDst; SkTLazy fPaint; typedef DrawCommand INHERITED; }; class DrawImageRectCommand : public DrawCommand { public: DrawImageRectCommand(const SkImage* image, const SkRect* src, const SkRect& dst, const SkPaint* paint, SkCanvas::SrcRectConstraint constraint); void execute(SkCanvas* canvas) const override; bool render(SkCanvas* canvas) const override; void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override; private: sk_sp fImage; SkTLazy fSrc; SkRect fDst; SkTLazy fPaint; SkCanvas::SrcRectConstraint fConstraint; typedef DrawCommand INHERITED; }; class DrawOvalCommand : public DrawCommand { public: DrawOvalCommand(const SkRect& oval, const SkPaint& paint); void execute(SkCanvas* canvas) const override; bool render(SkCanvas* canvas) const override; void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override; private: SkRect fOval; SkPaint fPaint; typedef DrawCommand INHERITED; }; class DrawArcCommand : public DrawCommand { public: DrawArcCommand(const SkRect& oval, SkScalar startAngle, SkScalar sweepAngle, bool useCenter, const SkPaint& paint); void execute(SkCanvas* canvas) const override; bool render(SkCanvas* canvas) const override; void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override; private: SkRect fOval; SkScalar fStartAngle; SkScalar fSweepAngle; bool fUseCenter; SkPaint fPaint; typedef DrawCommand INHERITED; }; class DrawPaintCommand : public DrawCommand { public: DrawPaintCommand(const SkPaint& paint); void execute(SkCanvas* canvas) const override; bool render(SkCanvas* canvas) const override; void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override; private: SkPaint fPaint; typedef DrawCommand INHERITED; }; class DrawBehindCommand : public DrawCommand { public: DrawBehindCommand(const SkPaint& paint); void execute(SkCanvas* canvas) const override; bool render(SkCanvas* canvas) const override; void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override; private: SkPaint fPaint; typedef DrawCommand INHERITED; }; class DrawPathCommand : public DrawCommand { public: DrawPathCommand(const SkPath& path, const SkPaint& paint); void execute(SkCanvas* canvas) const override; bool render(SkCanvas* canvas) const override; void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override; private: SkPath fPath; SkPaint fPaint; typedef DrawCommand INHERITED; }; class BeginDrawPictureCommand : public DrawCommand { public: BeginDrawPictureCommand(const SkPicture* picture, const SkMatrix* matrix, const SkPaint* paint); void execute(SkCanvas* canvas) const override; bool render(SkCanvas* canvas) const override; private: sk_sp fPicture; SkTLazy fMatrix; SkTLazy fPaint; typedef DrawCommand INHERITED; }; class EndDrawPictureCommand : public DrawCommand { public: EndDrawPictureCommand(bool restore); void execute(SkCanvas* canvas) const override; private: bool fRestore; typedef DrawCommand INHERITED; }; class DrawPointsCommand : public DrawCommand { public: DrawPointsCommand(SkCanvas::PointMode mode, size_t count, const SkPoint pts[], const SkPaint& paint); void execute(SkCanvas* canvas) const override; bool render(SkCanvas* canvas) const override; void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override; private: SkCanvas::PointMode fMode; SkTDArray fPts; SkPaint fPaint; typedef DrawCommand INHERITED; }; class DrawRegionCommand : public DrawCommand { public: DrawRegionCommand(const SkRegion& region, const SkPaint& paint); void execute(SkCanvas* canvas) const override; bool render(SkCanvas* canvas) const override; void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override; private: SkRegion fRegion; SkPaint fPaint; typedef DrawCommand INHERITED; }; class DrawTextBlobCommand : public DrawCommand { public: DrawTextBlobCommand(sk_sp blob, SkScalar x, SkScalar y, const SkPaint& paint); void execute(SkCanvas* canvas) const override; bool render(SkCanvas* canvas) const override; void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override; private: sk_sp fBlob; SkScalar fXPos; SkScalar fYPos; SkPaint fPaint; typedef DrawCommand INHERITED; }; class DrawPatchCommand : public DrawCommand { public: DrawPatchCommand(const SkPoint cubics[12], const SkColor colors[4], const SkPoint texCoords[4], SkBlendMode bmode, const SkPaint& paint); void execute(SkCanvas* canvas) const override; void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override; private: SkPoint fCubics[12]; SkColor* fColorsPtr; SkColor fColors[4]; SkPoint* fTexCoordsPtr; SkPoint fTexCoords[4]; SkBlendMode fBlendMode; SkPaint fPaint; typedef DrawCommand INHERITED; }; class DrawRectCommand : public DrawCommand { public: DrawRectCommand(const SkRect& rect, const SkPaint& paint); void execute(SkCanvas* canvas) const override; void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override; private: SkRect fRect; SkPaint fPaint; typedef DrawCommand INHERITED; }; class DrawRRectCommand : public DrawCommand { public: DrawRRectCommand(const SkRRect& rrect, const SkPaint& paint); void execute(SkCanvas* canvas) const override; bool render(SkCanvas* canvas) const override; void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override; private: SkRRect fRRect; SkPaint fPaint; typedef DrawCommand INHERITED; }; class DrawDRRectCommand : public DrawCommand { public: DrawDRRectCommand(const SkRRect& outer, const SkRRect& inner, const SkPaint& paint); void execute(SkCanvas* canvas) const override; bool render(SkCanvas* canvas) const override; void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override; private: SkRRect fOuter; SkRRect fInner; SkPaint fPaint; typedef DrawCommand INHERITED; }; class DrawVerticesCommand : public DrawCommand { public: DrawVerticesCommand(sk_sp, SkBlendMode, const SkPaint&); void execute(SkCanvas* canvas) const override; private: sk_sp fVertices; SkBlendMode fBlendMode; SkPaint fPaint; typedef DrawCommand INHERITED; }; class DrawAtlasCommand : public DrawCommand { public: DrawAtlasCommand(const SkImage*, const SkRSXform[], const SkRect[], const SkColor[], int, SkBlendMode, const SkRect*, const SkPaint*); void execute(SkCanvas* canvas) const override; private: sk_sp fImage; SkTDArray fXform; SkTDArray fTex; SkTDArray fColors; SkBlendMode fBlendMode; SkTLazy fCull; SkTLazy fPaint; typedef DrawCommand INHERITED; }; class SaveCommand : public DrawCommand { public: SaveCommand(); void execute(SkCanvas* canvas) const override; private: typedef DrawCommand INHERITED; }; class SaveLayerCommand : public DrawCommand { public: SaveLayerCommand(const SkCanvas::SaveLayerRec&); void execute(SkCanvas* canvas) const override; void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override; private: SkTLazy fBounds; SkTLazy fPaint; sk_sp fBackdrop; uint32_t fSaveLayerFlags; typedef DrawCommand INHERITED; }; class SetMatrixCommand : public DrawCommand { public: SetMatrixCommand(const SkMatrix& matrix); void execute(SkCanvas* canvas) const override; void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override; private: SkMatrix fMatrix; typedef DrawCommand INHERITED; }; class DrawShadowCommand : public DrawCommand { public: DrawShadowCommand(const SkPath& path, const SkDrawShadowRec& rec); void execute(SkCanvas* canvas) const override; bool render(SkCanvas* canvas) const override; void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override; private: SkPath fPath; SkDrawShadowRec fShadowRec; typedef DrawCommand INHERITED; }; class DrawDrawableCommand : public DrawCommand { public: DrawDrawableCommand(SkDrawable*, const SkMatrix*); void execute(SkCanvas* canvas) const override; private: sk_sp fDrawable; SkTLazy fMatrix; typedef DrawCommand INHERITED; }; class DrawEdgeAAQuadCommand : public DrawCommand { public: DrawEdgeAAQuadCommand(const SkRect& rect, const SkPoint clip[4], SkCanvas::QuadAAFlags aa, SkColor color, SkBlendMode mode); void execute(SkCanvas* canvas) const override; private: SkRect fRect; SkPoint fClip[4]; int fHasClip; SkCanvas::QuadAAFlags fAA; SkColor fColor; SkBlendMode fMode; typedef DrawCommand INHERITED; }; class DrawEdgeAAImageSetCommand : public DrawCommand { public: DrawEdgeAAImageSetCommand(const SkCanvas::ImageSetEntry[], int count, const SkPoint[], const SkMatrix[], const SkPaint*, SkCanvas::SrcRectConstraint); void execute(SkCanvas* canvas) const override; private: SkAutoTArray fSet; int fCount; SkAutoTArray fDstClips; SkAutoTArray fPreViewMatrices; SkTLazy fPaint; SkCanvas::SrcRectConstraint fConstraint; typedef DrawCommand INHERITED; }; #endif