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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 SKDRAWCOMMAND_H_
#define SKDRAWCOMMAND_H_
#include "SkBitmap.h"
#include "SkCanvas.h"
#include "SkDrawShadowInfo.h"
#include "SkFlattenable.h"
#include "SkJSONWriter.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 "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,
kDrawImageSet_OpType,
kDrawOval_OpType,
kDrawArc_OpType,
kDrawPaint_OpType,
kDrawPatch_OpType,
kDrawPath_OpType,
kDrawPoints_OpType,
kDrawRect_OpType,
kDrawEdgeAARect_OpType,
kDrawRRect_OpType,
kDrawRegion_OpType,
kDrawShadow_OpType,
kDrawTextBlob_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 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 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;
void toJSON(SkJSONWriter& writer, 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;
void toJSON(SkJSONWriter& writer, 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;
void toJSON(SkJSONWriter& writer, 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;
void toJSON(SkJSONWriter& writer, 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;
void toJSON(SkJSONWriter& writer, 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;
void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override;
private:
SkMatrix fMatrix;
typedef SkDrawCommand INHERITED;
};
class SkDrawAnnotationCommand : public SkDrawCommand {
public:
SkDrawAnnotationCommand(const SkRect&, const char key[], sk_sp<SkData> value);
void execute(SkCanvas* canvas) const override;
void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override;
private:
SkRect fRect;
SkString fKey;
sk_sp<SkData> 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;
void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override;
private:
SkBitmap fBitmap;
SkScalar fLeft;
SkScalar fTop;
SkTLazy<SkPaint> 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;
void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override;
private:
SkBitmap fBitmap;
SkCanvas::Lattice fLattice;
SkRect fDst;
SkTLazy<SkPaint> 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;
void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override;
private:
SkBitmap fBitmap;
SkIRect fCenter;
SkRect fDst;
SkTLazy<SkPaint> 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;
void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override;
private:
SkBitmap fBitmap;
SkTLazy<SkRect> fSrc;
SkRect fDst;
SkTLazy<SkPaint> 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;
void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override;
private:
sk_sp<const SkImage> fImage;
SkScalar fLeft;
SkScalar fTop;
SkTLazy<SkPaint> 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;
void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override;
private:
sk_sp<const SkImage> fImage;
SkCanvas::Lattice fLattice;
SkRect fDst;
SkTLazy<SkPaint> 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;
void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override;
private:
sk_sp<const SkImage> fImage;
SkIRect fCenter;
SkRect fDst;
SkTLazy<SkPaint> 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;
void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override;
private:
sk_sp<const SkImage> fImage;
SkTLazy<SkRect> fSrc;
SkRect fDst;
SkTLazy<SkPaint> fPaint;
SkCanvas::SrcRectConstraint fConstraint;
typedef SkDrawCommand INHERITED;
};
class SkDrawImageSetCommand : public SkDrawCommand {
public:
SkDrawImageSetCommand(const SkCanvas::ImageSetEntry[], int count, SkFilterQuality, SkBlendMode);
void execute(SkCanvas* canvas) const override;
private:
SkAutoTArray<SkCanvas::ImageSetEntry> fSet;
int fCount;
SkFilterQuality fFilterQuality;
SkBlendMode fMode;
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;
void toJSON(SkJSONWriter& writer, 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;
void toJSON(SkJSONWriter& writer, 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;
void toJSON(SkJSONWriter& writer, 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;
void toJSON(SkJSONWriter& writer, 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<const SkPicture> fPicture;
SkTLazy<SkMatrix> fMatrix;
SkTLazy<SkPaint> 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;
void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override;
private:
SkCanvas::PointMode fMode;
SkTDArray<SkPoint> 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;
void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override;
private:
SkRegion fRegion;
SkPaint fPaint;
typedef SkDrawCommand INHERITED;
};
class SkDrawTextBlobCommand : public SkDrawCommand {
public:
SkDrawTextBlobCommand(sk_sp<SkTextBlob> 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<SkTextBlob> 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;
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 SkDrawCommand INHERITED;
};
class SkDrawRectCommand : public SkDrawCommand {
public:
SkDrawRectCommand(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 SkDrawCommand INHERITED;
};
class SkDrawEdgeAARectCommand : public SkDrawCommand {
public:
SkDrawEdgeAARectCommand(const SkRect& rect, SkCanvas::QuadAAFlags aa, SkColor color,
SkBlendMode mode);
void execute(SkCanvas* canvas) const override;
private:
SkRect fRect;
SkCanvas::QuadAAFlags fAA;
SkColor fColor;
SkBlendMode fMode;
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;
void toJSON(SkJSONWriter& writer, 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;
void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override;
private:
SkRRect fOuter;
SkRRect fInner;
SkPaint fPaint;
typedef SkDrawCommand INHERITED;
};
class SkDrawVerticesCommand : public SkDrawCommand {
public:
SkDrawVerticesCommand(sk_sp<SkVertices>, SkBlendMode, const SkPaint&);
void execute(SkCanvas* canvas) const override;
private:
sk_sp<SkVertices> 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<const SkImage> fImage;
SkTDArray<SkRSXform> fXform;
SkTDArray<SkRect> fTex;
SkTDArray<SkColor> fColors;
SkBlendMode fBlendMode;
SkTLazy<SkRect> fCull;
SkTLazy<SkPaint> 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;
void toJSON(SkJSONWriter& writer, UrlDataManager& urlDataManager) const override;
private:
SkTLazy<SkRect> fBounds;
SkTLazy<SkPaint> fPaint;
sk_sp<const SkImageFilter> fBackdrop;
uint32_t fSaveLayerFlags;
typedef SkDrawCommand INHERITED;
};
class SkSetMatrixCommand : public SkDrawCommand {
public:
SkSetMatrixCommand(const SkMatrix& matrix);
void execute(SkCanvas* canvas) const override;
void toJSON(SkJSONWriter& writer, 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;
void toJSON(SkJSONWriter& writer, 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<SkDrawable> fDrawable;
SkTLazy<SkMatrix> fMatrix;
typedef SkDrawCommand INHERITED;
};
#endif