/* * 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 "SkBitmap.h" #include "SkCanvas.h" #include "SkDrawShadowInfo.h" #include "SkFlattenable.h" #include "SkTLazy.h" #include "SkPath.h" #include "SkRegion.h" #include "SkRRect.h" #include "SkRSXform.h" #include "SkString.h" #include "SkTDArray.h" #include "SkVertices.h" #include "SkJSONCPP.h" #include "UrlDataManager.h" class SkDrawCommand { 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, kDrawPosText_OpType, kDrawPosTextH_OpType, kDrawRect_OpType, kDrawRRect_OpType, kDrawRegion_OpType, kDrawShadow_OpType, kDrawText_OpType, kDrawTextBlob_OpType, kDrawTextOnPath_OpType, kDrawTextRSXform_OpType, kDrawVertices_OpType, kDrawAtlas_OpType, kDrawDrawable_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); SkDrawCommand(OpType opType); virtual ~SkDrawCommand() {} 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 Json::Value toJSON(UrlDataManager& urlDataManager) const; static const char* GetCommandString(OpType type); // Helper methods for converting things to JSON static Json::Value MakeJsonColor(const SkColor color); static Json::Value MakeJsonColor4f(const SkColor4f& color); static Json::Value MakeJsonPoint(const SkPoint& point); static Json::Value MakeJsonPoint(SkScalar x, SkScalar y); static Json::Value MakeJsonPoint3(const SkPoint3& point); static Json::Value MakeJsonRect(const SkRect& rect); static Json::Value MakeJsonIRect(const SkIRect&); static Json::Value MakeJsonMatrix(const SkMatrix&); static Json::Value MakeJsonScalar(SkScalar); static Json::Value MakeJsonPath(const SkPath& path); static Json::Value MakeJsonRegion(const SkRegion& region); static Json::Value MakeJsonPaint(const SkPaint& paint, UrlDataManager& urlDataManager); static Json::Value MakeJsonLattice(const SkCanvas::Lattice& lattice); static void flatten(const SkFlattenable* flattenable, Json::Value* target, UrlDataManager& urlDataManager); static bool flatten(const SkImage& image, Json::Value* target, UrlDataManager& urlDataManager); static bool flatten(const SkBitmap& bitmap, Json::Value* target, UrlDataManager& urlDataManager); private: OpType fOpType; bool fVisible; }; class SkRestoreCommand : public SkDrawCommand { public: SkRestoreCommand(); void execute(SkCanvas* canvas) const override; private: typedef SkDrawCommand INHERITED; }; class SkClearCommand : public SkDrawCommand { public: SkClearCommand(SkColor color); void execute(SkCanvas* canvas) const override; Json::Value toJSON(UrlDataManager& urlDataManager) const override; private: SkColor fColor; typedef SkDrawCommand INHERITED; }; class SkClipPathCommand : public SkDrawCommand { public: SkClipPathCommand(const SkPath& path, SkClipOp op, bool doAA); void execute(SkCanvas* canvas) const override; bool render(SkCanvas* canvas) const override; Json::Value toJSON(UrlDataManager& urlDataManager) const override; private: SkPath fPath; SkClipOp fOp; bool fDoAA; typedef SkDrawCommand INHERITED; }; class SkClipRegionCommand : public SkDrawCommand { public: SkClipRegionCommand(const SkRegion& region, SkClipOp op); void execute(SkCanvas* canvas) const override; Json::Value toJSON(UrlDataManager& urlDataManager) const override; private: SkRegion fRegion; SkClipOp fOp; typedef SkDrawCommand INHERITED; }; class SkClipRectCommand : public SkDrawCommand { public: SkClipRectCommand(const SkRect& rect, SkClipOp op, bool doAA); void execute(SkCanvas* canvas) const override; Json::Value toJSON(UrlDataManager& urlDataManager) const override; private: SkRect fRect; SkClipOp fOp; bool fDoAA; typedef SkDrawCommand INHERITED; }; class SkClipRRectCommand : public SkDrawCommand { public: SkClipRRectCommand(const SkRRect& rrect, SkClipOp op, bool doAA); void execute(SkCanvas* canvas) const override; bool render(SkCanvas* canvas) const override; Json::Value toJSON(UrlDataManager& urlDataManager) const override; private: SkRRect fRRect; SkClipOp fOp; bool fDoAA; typedef SkDrawCommand INHERITED; }; class SkConcatCommand : public SkDrawCommand { public: SkConcatCommand(const SkMatrix& matrix); void execute(SkCanvas* canvas) const override; Json::Value toJSON(UrlDataManager& urlDataManager) const override; private: SkMatrix fMatrix; typedef SkDrawCommand INHERITED; }; class SkDrawAnnotationCommand : public SkDrawCommand { public: SkDrawAnnotationCommand(const SkRect&, const char key[], sk_sp value); void execute(SkCanvas* canvas) const override; Json::Value toJSON(UrlDataManager& urlDataManager) const override; private: SkRect fRect; SkString fKey; sk_sp fValue; typedef SkDrawCommand INHERITED; }; class SkDrawBitmapCommand : public SkDrawCommand { public: SkDrawBitmapCommand(const SkBitmap& bitmap, SkScalar left, SkScalar top, const SkPaint* paint); void execute(SkCanvas* canvas) const override; bool render(SkCanvas* canvas) const override; Json::Value toJSON(UrlDataManager& urlDataManager) const override; private: SkBitmap fBitmap; SkScalar fLeft; SkScalar fTop; SkTLazy fPaint; typedef SkDrawCommand INHERITED; }; class SkDrawBitmapLatticeCommand : public SkDrawCommand { public: SkDrawBitmapLatticeCommand(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; Json::Value toJSON(UrlDataManager& urlDataManager) const override; private: SkBitmap fBitmap; SkCanvas::Lattice fLattice; SkRect fDst; SkTLazy fPaint; typedef SkDrawCommand INHERITED; }; class SkDrawBitmapNineCommand : public SkDrawCommand { public: SkDrawBitmapNineCommand(const SkBitmap& bitmap, const SkIRect& center, const SkRect& dst, const SkPaint* paint); void execute(SkCanvas* canvas) const override; bool render(SkCanvas* canvas) const override; Json::Value toJSON(UrlDataManager& urlDataManager) const override; private: SkBitmap fBitmap; SkIRect fCenter; SkRect fDst; SkTLazy fPaint; typedef SkDrawCommand INHERITED; }; class SkDrawBitmapRectCommand : public SkDrawCommand { public: SkDrawBitmapRectCommand(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; Json::Value toJSON(UrlDataManager& urlDataManager) const override; private: SkBitmap fBitmap; SkTLazy fSrc; SkRect fDst; SkTLazy fPaint; SkCanvas::SrcRectConstraint fConstraint; typedef SkDrawCommand INHERITED; }; class SkDrawImageCommand : public SkDrawCommand { public: SkDrawImageCommand(const SkImage* image, SkScalar left, SkScalar top, const SkPaint* paint); void execute(SkCanvas* canvas) const override; bool render(SkCanvas* canvas) const override; Json::Value toJSON(UrlDataManager& urlDataManager) const override; private: sk_sp fImage; SkScalar fLeft; SkScalar fTop; SkTLazy fPaint; typedef SkDrawCommand INHERITED; }; class SkDrawImageLatticeCommand : public SkDrawCommand { public: SkDrawImageLatticeCommand(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; Json::Value toJSON(UrlDataManager& urlDataManager) const override; private: sk_sp fImage; SkCanvas::Lattice fLattice; SkRect fDst; SkTLazy fPaint; typedef SkDrawCommand INHERITED; }; class SkDrawImageNineCommand : public SkDrawCommand { public: SkDrawImageNineCommand(const SkImage* image, const SkIRect& center, const SkRect& dst, const SkPaint* paint); void execute(SkCanvas* canvas) const override; bool render(SkCanvas* canvas) const override; Json::Value toJSON(UrlDataManager& urlDataManager) const override; private: sk_sp fImage; SkIRect fCenter; SkRect fDst; SkTLazy fPaint; typedef SkDrawCommand INHERITED; }; class SkDrawImageRectCommand : public SkDrawCommand { public: SkDrawImageRectCommand(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; Json::Value toJSON(UrlDataManager& urlDataManager) const override; private: sk_sp fImage; SkTLazy fSrc; SkRect fDst; SkTLazy fPaint; SkCanvas::SrcRectConstraint fConstraint; typedef SkDrawCommand INHERITED; }; class SkDrawOvalCommand : public SkDrawCommand { public: SkDrawOvalCommand(const SkRect& oval, const SkPaint& paint); void execute(SkCanvas* canvas) const override; bool render(SkCanvas* canvas) const override; Json::Value toJSON(UrlDataManager& urlDataManager) const override; private: SkRect fOval; SkPaint fPaint; typedef SkDrawCommand INHERITED; }; class SkDrawArcCommand : public SkDrawCommand { public: SkDrawArcCommand(const SkRect& oval, SkScalar startAngle, SkScalar sweepAngle, bool useCenter, const SkPaint& paint); void execute(SkCanvas* canvas) const override; bool render(SkCanvas* canvas) const override; Json::Value toJSON(UrlDataManager& urlDataManager) const override; private: SkRect fOval; SkScalar fStartAngle; SkScalar fSweepAngle; bool fUseCenter; SkPaint fPaint; typedef SkDrawCommand INHERITED; }; class SkDrawPaintCommand : public SkDrawCommand { public: SkDrawPaintCommand(const SkPaint& paint); void execute(SkCanvas* canvas) const override; bool render(SkCanvas* canvas) const override; Json::Value toJSON(UrlDataManager& urlDataManager) const override; private: SkPaint fPaint; typedef SkDrawCommand INHERITED; }; class SkDrawPathCommand : public SkDrawCommand { public: SkDrawPathCommand(const SkPath& path, const SkPaint& paint); void execute(SkCanvas* canvas) const override; bool render(SkCanvas* canvas) const override; Json::Value toJSON(UrlDataManager& urlDataManager) const override; private: SkPath fPath; SkPaint fPaint; typedef SkDrawCommand INHERITED; }; class SkBeginDrawPictureCommand : public SkDrawCommand { public: SkBeginDrawPictureCommand(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 SkDrawCommand INHERITED; }; class SkEndDrawPictureCommand : public SkDrawCommand { public: SkEndDrawPictureCommand(bool restore); void execute(SkCanvas* canvas) const override; private: bool fRestore; typedef SkDrawCommand INHERITED; }; class SkDrawPointsCommand : public SkDrawCommand { public: SkDrawPointsCommand(SkCanvas::PointMode mode, size_t count, const SkPoint pts[], const SkPaint& paint); void execute(SkCanvas* canvas) const override; bool render(SkCanvas* canvas) const override; Json::Value toJSON(UrlDataManager& urlDataManager) const override; private: SkCanvas::PointMode fMode; SkTDArray fPts; SkPaint fPaint; typedef SkDrawCommand INHERITED; }; class SkDrawRegionCommand : public SkDrawCommand { public: SkDrawRegionCommand(const SkRegion& region, const SkPaint& paint); void execute(SkCanvas* canvas) const override; bool render(SkCanvas* canvas) const override; Json::Value toJSON(UrlDataManager& urlDataManager) const override; private: SkRegion fRegion; SkPaint fPaint; typedef SkDrawCommand INHERITED; }; class SkDrawTextCommand : public SkDrawCommand { public: SkDrawTextCommand(const void* text, size_t byteLength, SkScalar x, SkScalar y, const SkPaint& paint); void execute(SkCanvas* canvas) const override; Json::Value toJSON(UrlDataManager& urlDataManager) const override; private: sk_sp fText; SkScalar fX; SkScalar fY; SkPaint fPaint; typedef SkDrawCommand INHERITED; }; class SkDrawPosTextCommand : public SkDrawCommand { public: SkDrawPosTextCommand(const void* text, size_t byteLength, const SkPoint pos[], const SkPaint& paint); void execute(SkCanvas* canvas) const override; Json::Value toJSON(UrlDataManager& urlDataManager) const override; private: sk_sp fText; SkTDArray fPos; SkPaint fPaint; typedef SkDrawCommand INHERITED; }; class SkDrawTextOnPathCommand : public SkDrawCommand { public: SkDrawTextOnPathCommand(const void* text, size_t byteLength, const SkPath& path, const SkMatrix* matrix, const SkPaint& paint); void execute(SkCanvas* canvas) const override; Json::Value toJSON(UrlDataManager& urlDataManager) const override; private: sk_sp fText; SkPath fPath; SkTLazy fMatrix; SkPaint fPaint; typedef SkDrawCommand INHERITED; }; class SkDrawTextRSXformCommand : public SkDrawCommand { public: SkDrawTextRSXformCommand(const void* text, size_t byteLength, const SkRSXform[], const SkRect*, const SkPaint& paint); void execute(SkCanvas* canvas) const override; Json::Value toJSON(UrlDataManager& urlDataManager) const override; private: sk_sp fText; SkTDArray fXform; SkTLazy fCull; SkPaint fPaint; typedef SkDrawCommand INHERITED; }; class SkDrawPosTextHCommand : public SkDrawCommand { public: SkDrawPosTextHCommand(const void* text, size_t byteLength, const SkScalar xpos[], SkScalar constY, const SkPaint& paint); void execute(SkCanvas* canvas) const override; Json::Value toJSON(UrlDataManager& urlDataManager) const override; private: sk_sp fText; SkTDArray fXpos; SkScalar fConstY; SkPaint fPaint; typedef SkDrawCommand INHERITED; }; class SkDrawTextBlobCommand : public SkDrawCommand { public: SkDrawTextBlobCommand(sk_sp blob, SkScalar x, SkScalar y, const SkPaint& paint); void execute(SkCanvas* canvas) const override; bool render(SkCanvas* canvas) const override; Json::Value toJSON(UrlDataManager& urlDataManager) const override; private: sk_sp fBlob; SkScalar fXPos; SkScalar fYPos; SkPaint fPaint; typedef SkDrawCommand INHERITED; }; class SkDrawPatchCommand : public SkDrawCommand { public: SkDrawPatchCommand(const SkPoint cubics[12], const SkColor colors[4], const SkPoint texCoords[4], SkBlendMode bmode, const SkPaint& paint); void execute(SkCanvas* canvas) const override; Json::Value toJSON(UrlDataManager& urlDataManager) const override; private: SkPoint fCubics[12]; SkColor* fColorsPtr; SkColor fColors[4]; SkPoint* fTexCoordsPtr; SkPoint fTexCoords[4]; SkBlendMode fBlendMode; SkPaint fPaint; typedef SkDrawCommand INHERITED; }; class SkDrawRectCommand : public SkDrawCommand { public: SkDrawRectCommand(const SkRect& rect, const SkPaint& paint); void execute(SkCanvas* canvas) const override; Json::Value toJSON(UrlDataManager& urlDataManager) const override; private: SkRect fRect; SkPaint fPaint; typedef SkDrawCommand INHERITED; }; class SkDrawRRectCommand : public SkDrawCommand { public: SkDrawRRectCommand(const SkRRect& rrect, const SkPaint& paint); void execute(SkCanvas* canvas) const override; bool render(SkCanvas* canvas) const override; Json::Value toJSON(UrlDataManager& urlDataManager) const override; private: SkRRect fRRect; SkPaint fPaint; typedef SkDrawCommand INHERITED; }; class SkDrawDRRectCommand : public SkDrawCommand { public: SkDrawDRRectCommand(const SkRRect& outer, const SkRRect& inner, const SkPaint& paint); void execute(SkCanvas* canvas) const override; bool render(SkCanvas* canvas) const override; Json::Value toJSON(UrlDataManager& urlDataManager) const override; private: SkRRect fOuter; SkRRect fInner; SkPaint fPaint; typedef SkDrawCommand INHERITED; }; class SkDrawVerticesCommand : public SkDrawCommand { public: SkDrawVerticesCommand(sk_sp, SkBlendMode, const SkPaint&); void execute(SkCanvas* canvas) const override; private: sk_sp fVertices; SkBlendMode fBlendMode; SkPaint fPaint; typedef SkDrawCommand INHERITED; }; class SkDrawAtlasCommand : public SkDrawCommand { public: SkDrawAtlasCommand(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 SkDrawCommand INHERITED; }; class SkSaveCommand : public SkDrawCommand { public: SkSaveCommand(); void execute(SkCanvas* canvas) const override; private: typedef SkDrawCommand INHERITED; }; class SkSaveLayerCommand : public SkDrawCommand { public: SkSaveLayerCommand(const SkCanvas::SaveLayerRec&); void execute(SkCanvas* canvas) const override; Json::Value toJSON(UrlDataManager& urlDataManager) const override; private: SkTLazy fBounds; SkTLazy fPaint; sk_sp fBackdrop; uint32_t fSaveLayerFlags; typedef SkDrawCommand INHERITED; }; class SkSetMatrixCommand : public SkDrawCommand { public: SkSetMatrixCommand(const SkMatrix& matrix); void execute(SkCanvas* canvas) const override; Json::Value toJSON(UrlDataManager& urlDataManager) const override; private: SkMatrix fMatrix; typedef SkDrawCommand INHERITED; }; class SkDrawShadowCommand : public SkDrawCommand { public: SkDrawShadowCommand(const SkPath& path, const SkDrawShadowRec& rec); void execute(SkCanvas* canvas) const override; bool render(SkCanvas* canvas) const override; Json::Value toJSON(UrlDataManager& urlDataManager) const override; private: SkPath fPath; SkDrawShadowRec fShadowRec; typedef SkDrawCommand INHERITED; }; class SkDrawDrawableCommand : public SkDrawCommand { public: SkDrawDrawableCommand(SkDrawable*, const SkMatrix*); void execute(SkCanvas* canvas) const override; private: sk_sp fDrawable; SkTLazy fMatrix; typedef SkDrawCommand INHERITED; }; #endif