michael@0: 
michael@0: /*
michael@0:  * Copyright 2012 Google Inc.
michael@0:  *
michael@0:  * Use of this source code is governed by a BSD-style license that can be
michael@0:  * found in the LICENSE file.
michael@0:  */
michael@0: 
michael@0: #ifndef SKDRAWCOMMAND_H_
michael@0: #define SKDRAWCOMMAND_H_
michael@0: 
michael@0: #include "SkPictureFlat.h"
michael@0: #include "SkCanvas.h"
michael@0: #include "SkString.h"
michael@0: 
michael@0: class SK_API SkDrawCommand {
michael@0: public:
michael@0:     /* TODO(chudy): Remove subclasses. */
michael@0:     SkDrawCommand(DrawType drawType);
michael@0:     SkDrawCommand();
michael@0: 
michael@0:     virtual ~SkDrawCommand();
michael@0: 
michael@0:     virtual SkString toString();
michael@0: 
michael@0:     virtual const char* toCString() {
michael@0:         return GetCommandString(fDrawType);
michael@0:     }
michael@0: 
michael@0:     bool isVisible() const {
michael@0:         return fVisible;
michael@0:     }
michael@0: 
michael@0:     void setVisible(bool toggle) {
michael@0:         fVisible = toggle;
michael@0:     }
michael@0: 
michael@0:     SkTDArray<SkString*>* Info() {return &fInfo; };
michael@0:     virtual void execute(SkCanvas* canvas) = 0;
michael@0:     virtual void vizExecute(SkCanvas* canvas) { };
michael@0:     /** Does nothing by default, but used by save() and restore()-type
michael@0:         subclasses to track unresolved save() calls. */
michael@0:     virtual void trackSaveState(int* state) { };
michael@0: 
michael@0:     // The next "active" system is only used by save, saveLayer, restore,
michael@0:     // pushCull and popCull. It is used in two ways:
michael@0:     // To determine which saveLayers are currently active (at a
michael@0:     // given point in the rendering).
michael@0:     //      save just return a kPushLayer action but don't track active state
michael@0:     //      restore just return a kPopLayer action
michael@0:     //      saveLayers return kPushLayer but also track the active state
michael@0:     // To determine which culls are currently active (at a given point)
michael@0:     // in the rendering).
michael@0:     //      pushCull returns a kPushCull action
michael@0:     //      popCull  returns a kPopCull action
michael@0:     enum Action {
michael@0:         kNone_Action,
michael@0:         kPopLayer_Action,
michael@0:         kPushLayer_Action,
michael@0:         kPopCull_Action,
michael@0:         kPushCull_Action
michael@0:     };
michael@0:     virtual Action action() const { return kNone_Action; }
michael@0:     virtual void setActive(bool active) {}
michael@0:     virtual bool active() const { return false; }
michael@0: 
michael@0:     DrawType getType() { return fDrawType; };
michael@0: 
michael@0:     virtual bool render(SkCanvas* canvas) const { return false; }
michael@0: 
michael@0:     static const char* GetCommandString(DrawType type);
michael@0: 
michael@0: protected:
michael@0:     DrawType fDrawType;
michael@0:     SkTDArray<SkString*> fInfo;
michael@0: 
michael@0: private:
michael@0:     bool fVisible;
michael@0: };
michael@0: 
michael@0: class SkRestoreCommand : public SkDrawCommand {
michael@0: public:
michael@0:     SkRestoreCommand();
michael@0:     virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
michael@0:     virtual void trackSaveState(int* state) SK_OVERRIDE;
michael@0:     virtual Action action() const SK_OVERRIDE { return kPopLayer_Action; }
michael@0: 
michael@0: private:
michael@0:     typedef SkDrawCommand INHERITED;
michael@0: };
michael@0: 
michael@0: class SkClearCommand : public SkDrawCommand {
michael@0: public:
michael@0:     SkClearCommand(SkColor color);
michael@0:     virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
michael@0: private:
michael@0:     SkColor fColor;
michael@0: 
michael@0:     typedef SkDrawCommand INHERITED;
michael@0: };
michael@0: 
michael@0: class SkClipPathCommand : public SkDrawCommand {
michael@0: public:
michael@0:     SkClipPathCommand(const SkPath& path, SkRegion::Op op, bool doAA);
michael@0:     virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
michael@0:     virtual bool render(SkCanvas* canvas) const SK_OVERRIDE;
michael@0: private:
michael@0:     SkPath       fPath;
michael@0:     SkRegion::Op fOp;
michael@0:     bool         fDoAA;
michael@0: 
michael@0:     typedef SkDrawCommand INHERITED;
michael@0: };
michael@0: 
michael@0: class SkClipRegionCommand : public SkDrawCommand {
michael@0: public:
michael@0:     SkClipRegionCommand(const SkRegion& region, SkRegion::Op op);
michael@0:     virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
michael@0: private:
michael@0:     SkRegion     fRegion;
michael@0:     SkRegion::Op fOp;
michael@0: 
michael@0:     typedef SkDrawCommand INHERITED;
michael@0: };
michael@0: 
michael@0: class SkClipRectCommand : public SkDrawCommand {
michael@0: public:
michael@0:     SkClipRectCommand(const SkRect& rect, SkRegion::Op op, bool doAA);
michael@0:     virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
michael@0: 
michael@0:     const SkRect& rect() const { return fRect; }
michael@0:     SkRegion::Op op() const { return fOp; }
michael@0:     bool doAA() const { return fDoAA; }
michael@0: 
michael@0: private:
michael@0:     SkRect       fRect;
michael@0:     SkRegion::Op fOp;
michael@0:     bool         fDoAA;
michael@0: 
michael@0:     typedef SkDrawCommand INHERITED;
michael@0: };
michael@0: 
michael@0: class SkClipRRectCommand : public SkDrawCommand {
michael@0: public:
michael@0:     SkClipRRectCommand(const SkRRect& rrect, SkRegion::Op op, bool doAA);
michael@0:     virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
michael@0:     virtual bool render(SkCanvas* canvas) const SK_OVERRIDE;
michael@0: 
michael@0:     const SkRRect& rrect() const { return fRRect; }
michael@0:     SkRegion::Op op() const { return fOp; }
michael@0:     bool doAA() const { return fDoAA; }
michael@0: 
michael@0: private:
michael@0:     SkRRect      fRRect;
michael@0:     SkRegion::Op fOp;
michael@0:     bool         fDoAA;
michael@0: 
michael@0:     typedef SkDrawCommand INHERITED;
michael@0: };
michael@0: 
michael@0: class SkConcatCommand : public SkDrawCommand {
michael@0: public:
michael@0:     SkConcatCommand(const SkMatrix& matrix);
michael@0:     virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
michael@0: private:
michael@0:     SkMatrix fMatrix;
michael@0: 
michael@0:     typedef SkDrawCommand INHERITED;
michael@0: };
michael@0: 
michael@0: class SkDrawBitmapCommand : public SkDrawCommand {
michael@0: public:
michael@0:     SkDrawBitmapCommand(const SkBitmap& bitmap, SkScalar left, SkScalar top,
michael@0:                const SkPaint* paint);
michael@0:     virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
michael@0:     virtual bool render(SkCanvas* canvas) const SK_OVERRIDE;
michael@0: private:
michael@0:     SkBitmap fBitmap;
michael@0:     SkScalar fLeft;
michael@0:     SkScalar fTop;
michael@0:     SkPaint  fPaint;
michael@0:     SkPaint* fPaintPtr;
michael@0: 
michael@0:     typedef SkDrawCommand INHERITED;
michael@0: };
michael@0: 
michael@0: class SkDrawBitmapMatrixCommand : public SkDrawCommand {
michael@0: public:
michael@0:     SkDrawBitmapMatrixCommand(const SkBitmap& bitmap, const SkMatrix& matrix,
michael@0:                      const SkPaint* paint);
michael@0:     virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
michael@0:     virtual bool render(SkCanvas* canvas) const SK_OVERRIDE;
michael@0: private:
michael@0:     SkBitmap fBitmap;
michael@0:     SkMatrix fMatrix;
michael@0:     SkPaint  fPaint;
michael@0:     SkPaint* fPaintPtr;
michael@0: 
michael@0:     typedef SkDrawCommand INHERITED;
michael@0: };
michael@0: 
michael@0: class SkDrawBitmapNineCommand : public SkDrawCommand {
michael@0: public:
michael@0:     SkDrawBitmapNineCommand(const SkBitmap& bitmap, const SkIRect& center,
michael@0:                    const SkRect& dst, const SkPaint* paint);
michael@0:     virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
michael@0:     virtual bool render(SkCanvas* canvas) const SK_OVERRIDE;
michael@0: private:
michael@0:     SkBitmap fBitmap;
michael@0:     SkIRect  fCenter;
michael@0:     SkRect   fDst;
michael@0:     SkPaint  fPaint;
michael@0:     SkPaint* fPaintPtr;
michael@0: 
michael@0:     typedef SkDrawCommand INHERITED;
michael@0: };
michael@0: 
michael@0: class SkDrawBitmapRectCommand : public SkDrawCommand {
michael@0: public:
michael@0:     SkDrawBitmapRectCommand(const SkBitmap& bitmap, const SkRect* src,
michael@0:                             const SkRect& dst, const SkPaint* paint,
michael@0:                             SkCanvas::DrawBitmapRectFlags flags);
michael@0:     virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
michael@0:     virtual bool render(SkCanvas* canvas) const SK_OVERRIDE;
michael@0: 
michael@0:     const SkBitmap& bitmap() const { return fBitmap; }
michael@0: 
michael@0:     // The non-const 'paint' method allows modification of this object's
michael@0:     // SkPaint. For this reason the ctor and setPaint method make a local copy.
michael@0:     // The 'fPaintPtr' member acts a signal that the local SkPaint is valid
michael@0:     // (since only an SkPaint* is passed into the ctor).
michael@0:     const SkPaint* paint() const { return fPaintPtr; }
michael@0:     SkPaint* paint() { return fPaintPtr; }
michael@0: 
michael@0:     void setPaint(const SkPaint& paint) { fPaint = paint; fPaintPtr = &fPaint; }
michael@0: 
michael@0:     const SkRect* srcRect() const { return fSrc.isEmpty() ? NULL : &fSrc; }
michael@0:     void setSrcRect(const SkRect& src) { fSrc = src; }
michael@0: 
michael@0:     const SkRect& dstRect() const { return fDst; }
michael@0:     void setDstRect(const SkRect& dst) { fDst = dst; }
michael@0: 
michael@0:     SkCanvas::DrawBitmapRectFlags flags() const { return fFlags; }
michael@0:     void setFlags(SkCanvas::DrawBitmapRectFlags flags) { fFlags = flags; }
michael@0: 
michael@0: private:
michael@0:     SkBitmap                      fBitmap;
michael@0:     SkRect                        fSrc;
michael@0:     SkRect                        fDst;
michael@0:     SkPaint                       fPaint;
michael@0:     SkPaint*                      fPaintPtr;
michael@0:     SkCanvas::DrawBitmapRectFlags fFlags;
michael@0: 
michael@0:     typedef SkDrawCommand INHERITED;
michael@0: };
michael@0: 
michael@0: class SkDrawDataCommand : public SkDrawCommand {
michael@0: public:
michael@0:     SkDrawDataCommand(const void* data, size_t length);
michael@0:     virtual ~SkDrawDataCommand() { delete [] fData; }
michael@0:     virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
michael@0: private:
michael@0:     char*  fData;
michael@0:     size_t fLength;
michael@0: 
michael@0:     typedef SkDrawCommand INHERITED;
michael@0: };
michael@0: 
michael@0: class SkBeginCommentGroupCommand : public SkDrawCommand {
michael@0: public:
michael@0:     SkBeginCommentGroupCommand(const char* description);
michael@0:     virtual void execute(SkCanvas* canvas) SK_OVERRIDE {
michael@0:         canvas->beginCommentGroup(fDescription.c_str());
michael@0:     };
michael@0: private:
michael@0:     SkString fDescription;
michael@0: 
michael@0:     typedef SkDrawCommand INHERITED;
michael@0: };
michael@0: 
michael@0: class SkCommentCommand : public SkDrawCommand {
michael@0: public:
michael@0:     SkCommentCommand(const char* kywd, const char* value);
michael@0:     virtual void execute(SkCanvas* canvas) SK_OVERRIDE {
michael@0:         canvas->addComment(fKywd.c_str(), fValue.c_str());
michael@0:     };
michael@0: private:
michael@0:     SkString fKywd;
michael@0:     SkString fValue;
michael@0: 
michael@0:     typedef SkDrawCommand INHERITED;
michael@0: };
michael@0: 
michael@0: class SkEndCommentGroupCommand : public SkDrawCommand {
michael@0: public:
michael@0:     SkEndCommentGroupCommand();
michael@0:     virtual void execute(SkCanvas* canvas) SK_OVERRIDE {
michael@0:         canvas->endCommentGroup();
michael@0:     };
michael@0: private:
michael@0:     typedef SkDrawCommand INHERITED;
michael@0: };
michael@0: 
michael@0: class SkDrawOvalCommand : public SkDrawCommand {
michael@0: public:
michael@0:     SkDrawOvalCommand(const SkRect& oval, const SkPaint& paint);
michael@0:     virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
michael@0:     virtual bool render(SkCanvas* canvas) const SK_OVERRIDE;
michael@0: private:
michael@0:     SkRect  fOval;
michael@0:     SkPaint fPaint;
michael@0: 
michael@0:     typedef SkDrawCommand INHERITED;
michael@0: };
michael@0: 
michael@0: class SkDrawPaintCommand : public SkDrawCommand {
michael@0: public:
michael@0:     SkDrawPaintCommand(const SkPaint& paint);
michael@0:     virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
michael@0:     virtual bool render(SkCanvas* canvas) const SK_OVERRIDE;
michael@0: private:
michael@0:     SkPaint fPaint;
michael@0: 
michael@0:     typedef SkDrawCommand INHERITED;
michael@0: };
michael@0: 
michael@0: class SkDrawPathCommand : public SkDrawCommand {
michael@0: public:
michael@0:     SkDrawPathCommand(const SkPath& path, const SkPaint& paint);
michael@0:     virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
michael@0:     virtual bool render(SkCanvas* canvas) const SK_OVERRIDE;
michael@0: 
michael@0: private:
michael@0:     SkPath   fPath;
michael@0:     SkPaint  fPaint;
michael@0: 
michael@0:     typedef SkDrawCommand INHERITED;
michael@0: };
michael@0: 
michael@0: class SkDrawPictureCommand : public SkDrawCommand {
michael@0: public:
michael@0:     SkDrawPictureCommand(SkPicture& picture);
michael@0:     virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
michael@0:     virtual bool render(SkCanvas* canvas) const SK_OVERRIDE;
michael@0: 
michael@0: private:
michael@0:     SkPicture fPicture;
michael@0: 
michael@0:     typedef SkDrawCommand INHERITED;
michael@0: };
michael@0: 
michael@0: class SkDrawPointsCommand : public SkDrawCommand {
michael@0: public:
michael@0:     SkDrawPointsCommand(SkCanvas::PointMode mode, size_t count, const SkPoint pts[],
michael@0:                const SkPaint& paint);
michael@0:     virtual ~SkDrawPointsCommand() { delete [] fPts; }
michael@0:     virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
michael@0:     virtual bool render(SkCanvas* canvas) const SK_OVERRIDE;
michael@0: private:
michael@0:     SkCanvas::PointMode fMode;
michael@0:     size_t              fCount;
michael@0:     SkPoint*            fPts;
michael@0:     SkPaint             fPaint;
michael@0: 
michael@0:     typedef SkDrawCommand INHERITED;
michael@0: };
michael@0: 
michael@0: class SkDrawTextCommand : public SkDrawCommand {
michael@0: public:
michael@0:     SkDrawTextCommand(const void* text, size_t byteLength, SkScalar x, SkScalar y,
michael@0:               const SkPaint& paint);
michael@0:     virtual ~SkDrawTextCommand() { delete [] fText; }
michael@0:     virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
michael@0: private:
michael@0:     char*    fText;
michael@0:     size_t   fByteLength;
michael@0:     SkScalar fX;
michael@0:     SkScalar fY;
michael@0:     SkPaint  fPaint;
michael@0: 
michael@0:     typedef SkDrawCommand INHERITED;
michael@0: };
michael@0: 
michael@0: class SkDrawPosTextCommand : public SkDrawCommand {
michael@0: public:
michael@0:     SkDrawPosTextCommand(const void* text, size_t byteLength, const SkPoint pos[],
michael@0:                          const SkPaint& paint);
michael@0:     virtual ~SkDrawPosTextCommand() { delete [] fPos; delete [] fText; }
michael@0:     virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
michael@0: private:
michael@0:     char*    fText;
michael@0:     size_t   fByteLength;
michael@0:     SkPoint* fPos;
michael@0:     SkPaint  fPaint;
michael@0: 
michael@0:     typedef SkDrawCommand INHERITED;
michael@0: };
michael@0: 
michael@0: class SkDrawTextOnPathCommand : public SkDrawCommand {
michael@0: public:
michael@0:     SkDrawTextOnPathCommand(const void* text, size_t byteLength, const SkPath& path,
michael@0:                             const SkMatrix* matrix, const SkPaint& paint);
michael@0:     virtual ~SkDrawTextOnPathCommand() { delete [] fText; }
michael@0:     virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
michael@0: private:
michael@0:     char*    fText;
michael@0:     size_t   fByteLength;
michael@0:     SkPath   fPath;
michael@0:     SkMatrix fMatrix;
michael@0:     SkPaint  fPaint;
michael@0: 
michael@0:     typedef SkDrawCommand INHERITED;
michael@0: };
michael@0: 
michael@0: class SkDrawPosTextHCommand : public SkDrawCommand {
michael@0: public:
michael@0:     SkDrawPosTextHCommand(const void* text, size_t byteLength, const SkScalar xpos[],
michael@0:                           SkScalar constY, const SkPaint& paint);
michael@0:     virtual ~SkDrawPosTextHCommand() { delete [] fXpos; delete [] fText; }
michael@0:     virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
michael@0: private:
michael@0:     SkScalar* fXpos;
michael@0:     char*     fText;
michael@0:     size_t    fByteLength;
michael@0:     SkScalar  fConstY;
michael@0:     SkPaint   fPaint;
michael@0: 
michael@0:     typedef SkDrawCommand INHERITED;
michael@0: };
michael@0: 
michael@0: class SkDrawRectCommand : public SkDrawCommand {
michael@0: public:
michael@0:     SkDrawRectCommand(const SkRect& rect, const SkPaint& paint);
michael@0:     virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
michael@0: 
michael@0:     const SkRect& rect() const   { return fRect; }
michael@0:     const SkPaint& paint() const { return fPaint; }
michael@0: private:
michael@0:     SkRect  fRect;
michael@0:     SkPaint fPaint;
michael@0: 
michael@0:     typedef SkDrawCommand INHERITED;
michael@0: };
michael@0: 
michael@0: class SkDrawRRectCommand : public SkDrawCommand {
michael@0: public:
michael@0:     SkDrawRRectCommand(const SkRRect& rrect, const SkPaint& paint);
michael@0:     virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
michael@0:     virtual bool render(SkCanvas* canvas) const SK_OVERRIDE;
michael@0: private:
michael@0:     SkRRect fRRect;
michael@0:     SkPaint fPaint;
michael@0: 
michael@0:     typedef SkDrawCommand INHERITED;
michael@0: };
michael@0: 
michael@0: class SkDrawDRRectCommand : public SkDrawCommand {
michael@0: public:
michael@0:     SkDrawDRRectCommand(const SkRRect& outer, const SkRRect& inner,
michael@0:                         const SkPaint& paint);
michael@0:     virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
michael@0:     virtual bool render(SkCanvas* canvas) const SK_OVERRIDE;
michael@0: private:
michael@0:     SkRRect fOuter;
michael@0:     SkRRect fInner;
michael@0:     SkPaint fPaint;
michael@0: 
michael@0:     typedef SkDrawCommand INHERITED;
michael@0: };
michael@0: 
michael@0: class SkDrawSpriteCommand : public SkDrawCommand {
michael@0: public:
michael@0:     SkDrawSpriteCommand(const SkBitmap& bitmap, int left, int top, const SkPaint* paint);
michael@0:     virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
michael@0:     virtual bool render(SkCanvas* canvas) const SK_OVERRIDE;
michael@0: private:
michael@0:     SkBitmap fBitmap;
michael@0:     int      fLeft;
michael@0:     int      fTop;
michael@0:     SkPaint  fPaint;
michael@0:     SkPaint* fPaintPtr;
michael@0: 
michael@0:     typedef SkDrawCommand INHERITED;
michael@0: };
michael@0: 
michael@0: class SkDrawVerticesCommand : public SkDrawCommand {
michael@0: public:
michael@0:     SkDrawVerticesCommand(SkCanvas::VertexMode vmode, int vertexCount,
michael@0:                           const SkPoint vertices[], const SkPoint texs[],
michael@0:                           const SkColor colors[], SkXfermode* xfermode,
michael@0:                           const uint16_t indices[], int indexCount,
michael@0:                           const SkPaint& paint);
michael@0:     virtual ~SkDrawVerticesCommand();
michael@0:     virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
michael@0: private:
michael@0:     SkCanvas::VertexMode fVmode;
michael@0:     int         fVertexCount;
michael@0:     SkPoint*    fVertices;
michael@0:     SkPoint*    fTexs;
michael@0:     SkColor*    fColors;
michael@0:     SkXfermode* fXfermode;
michael@0:     uint16_t*   fIndices;
michael@0:     int         fIndexCount;
michael@0:     SkPaint     fPaint;
michael@0: 
michael@0:     typedef SkDrawCommand INHERITED;
michael@0: };
michael@0: 
michael@0: class SkRotateCommand : public SkDrawCommand {
michael@0: public:
michael@0:     SkRotateCommand(SkScalar degrees);
michael@0:     virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
michael@0: private:
michael@0:     SkScalar fDegrees;
michael@0: 
michael@0:     typedef SkDrawCommand INHERITED;
michael@0: };
michael@0: 
michael@0: class SkSaveCommand : public SkDrawCommand {
michael@0: public:
michael@0:     SkSaveCommand(SkCanvas::SaveFlags flags);
michael@0:     virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
michael@0:     virtual void trackSaveState(int* state) SK_OVERRIDE;
michael@0:     virtual Action action() const SK_OVERRIDE { return kPushLayer_Action; }
michael@0: private:
michael@0:     SkCanvas::SaveFlags fFlags;
michael@0: 
michael@0:     typedef SkDrawCommand INHERITED;
michael@0: };
michael@0: 
michael@0: class SkSaveLayerCommand : public SkDrawCommand {
michael@0: public:
michael@0:     SkSaveLayerCommand(const SkRect* bounds, const SkPaint* paint,
michael@0:                        SkCanvas::SaveFlags flags);
michael@0:     virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
michael@0:     virtual void vizExecute(SkCanvas* canvas) SK_OVERRIDE;
michael@0:     virtual void trackSaveState(int* state) SK_OVERRIDE;
michael@0:     virtual Action action() const SK_OVERRIDE{ return kPushLayer_Action; }
michael@0:     virtual void setActive(bool active) SK_OVERRIDE { fActive = active; }
michael@0:     virtual bool active() const SK_OVERRIDE { return fActive; }
michael@0: 
michael@0:     const SkPaint* paint() const { return fPaintPtr; }
michael@0: 
michael@0: private:
michael@0:     SkRect              fBounds;
michael@0:     SkPaint             fPaint;
michael@0:     SkPaint*            fPaintPtr;
michael@0:     SkCanvas::SaveFlags fFlags;
michael@0: 
michael@0:     bool                fActive;
michael@0: 
michael@0:     typedef SkDrawCommand INHERITED;
michael@0: };
michael@0: 
michael@0: class SkScaleCommand : public SkDrawCommand {
michael@0: public:
michael@0:     SkScaleCommand(SkScalar sx, SkScalar sy);
michael@0:     virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
michael@0: 
michael@0:     SkScalar x() const { return fSx; }
michael@0:     SkScalar y() const { return fSy; }
michael@0: 
michael@0: private:
michael@0:     SkScalar fSx;
michael@0:     SkScalar fSy;
michael@0: 
michael@0:     typedef SkDrawCommand INHERITED;
michael@0: };
michael@0: 
michael@0: class SkSetMatrixCommand : public SkDrawCommand {
michael@0: public:
michael@0:     SkSetMatrixCommand(const SkMatrix& matrix);
michael@0:     virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
michael@0: private:
michael@0:     SkMatrix fMatrix;
michael@0: 
michael@0:     typedef SkDrawCommand INHERITED;
michael@0: };
michael@0: 
michael@0: class SkSkewCommand : public SkDrawCommand {
michael@0: public:
michael@0:     SkSkewCommand(SkScalar sx, SkScalar sy);
michael@0:     virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
michael@0: private:
michael@0:     SkScalar fSx;
michael@0:     SkScalar fSy;
michael@0: 
michael@0:     typedef SkDrawCommand INHERITED;
michael@0: };
michael@0: 
michael@0: class SkTranslateCommand : public SkDrawCommand {
michael@0: public:
michael@0:     SkTranslateCommand(SkScalar dx, SkScalar dy);
michael@0:     virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
michael@0: 
michael@0:     SkScalar x() const { return fDx; }
michael@0:     SkScalar y() const { return fDy; }
michael@0: 
michael@0: private:
michael@0:     SkScalar fDx;
michael@0:     SkScalar fDy;
michael@0: 
michael@0:     typedef SkDrawCommand INHERITED;
michael@0: };
michael@0: 
michael@0: class SkPushCullCommand : public SkDrawCommand {
michael@0: public:
michael@0:     SkPushCullCommand(const SkRect&);
michael@0:     virtual void execute(SkCanvas*) SK_OVERRIDE;
michael@0:     virtual void vizExecute(SkCanvas* canvas) SK_OVERRIDE;
michael@0:     virtual Action action() const { return kPushCull_Action; }
michael@0:     virtual void setActive(bool active) { fActive = active; }
michael@0:     virtual bool active() const { return fActive; }
michael@0: private:
michael@0:     SkRect fCullRect;
michael@0:     bool   fActive;
michael@0: 
michael@0:     typedef SkDrawCommand INHERITED;
michael@0: };
michael@0: 
michael@0: class SkPopCullCommand : public SkDrawCommand {
michael@0: public:
michael@0:     SkPopCullCommand();
michael@0:     virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
michael@0:     virtual Action action() const { return kPopCull_Action; }
michael@0: private:
michael@0:     typedef SkDrawCommand INHERITED;
michael@0: };
michael@0: 
michael@0: #endif