| #ifndef SkDumpCanvasM_DEFINED |
| #define SkDumpCanvasM_DEFINED |
| |
| #include "SkCanvas.h" |
| |
| /** This class overrides all the draw methods on SkCanvas, and formats them |
| as text, and then sends that to a Dumper helper object. |
| |
| Typical use might be to dump a display list to a log file to see what is |
| being drawn. |
| */ |
| class SkDumpCanvasM : public SkCanvas { |
| public: |
| class Dumper; |
| |
| explicit SkDumpCanvasM(Dumper* = 0); |
| virtual ~SkDumpCanvasM(); |
| |
| enum Verb { |
| kNULL_Verb, |
| |
| kSave_Verb, |
| kRestore_Verb, |
| |
| kMatrix_Verb, |
| |
| kClip_Verb, |
| |
| kDrawPaint_Verb, |
| kDrawPoints_Verb, |
| kDrawRect_Verb, |
| kDrawPath_Verb, |
| kDrawBitmap_Verb, |
| kDrawText_Verb, |
| kDrawPicture_Verb, |
| kDrawVertices_Verb, |
| kDrawData_Verb |
| }; |
| |
| /** Subclasses of this are installed on the DumpCanvas, and then called for |
| each drawing command. |
| */ |
| class Dumper : public SkRefCnt { |
| public: |
| virtual void dump(SkDumpCanvasM*, SkDumpCanvasM::Verb, const char str[], |
| const SkPaint*) = 0; |
| }; |
| |
| Dumper* getDumper() const { return fDumper; } |
| void setDumper(Dumper*); |
| |
| int getNestLevel() const { return fNestLevel; } |
| |
| // overrides from SkCanvas |
| |
| virtual int save(SaveFlags flags = kMatrixClip_SaveFlag); |
| virtual int saveLayer(const SkRect* bounds, const SkPaint* paint, |
| SaveFlags flags = kARGB_ClipLayer_SaveFlag); |
| virtual void restore(); |
| |
| virtual bool translate(SkScalar dx, SkScalar dy); |
| virtual bool scale(SkScalar sx, SkScalar sy); |
| virtual bool rotate(SkScalar degrees); |
| virtual bool skew(SkScalar sx, SkScalar sy); |
| virtual bool concat(const SkMatrix& matrix); |
| virtual void setMatrix(const SkMatrix& matrix); |
| |
| virtual bool clipRect(const SkRect& rect, |
| SkRegion::Op op = SkRegion::kIntersect_Op); |
| virtual bool clipPath(const SkPath& path, |
| SkRegion::Op op = SkRegion::kIntersect_Op); |
| virtual bool clipRegion(const SkRegion& deviceRgn, |
| SkRegion::Op op = SkRegion::kIntersect_Op); |
| |
| virtual void drawPaint(const SkPaint& paint); |
| virtual void drawPoints(PointMode mode, size_t count, const SkPoint pts[], |
| const SkPaint& paint); |
| virtual void drawRect(const SkRect& rect, const SkPaint& paint); |
| virtual void drawPath(const SkPath& path, const SkPaint& paint); |
| virtual void drawBitmap(const SkBitmap& bitmap, SkScalar left, SkScalar top, |
| const SkPaint* paint = NULL); |
| virtual void drawBitmapRect(const SkBitmap& bitmap, const SkIRect* src, |
| const SkRect& dst, const SkPaint* paint = NULL); |
| virtual void drawBitmapMatrix(const SkBitmap& bitmap, const SkMatrix& m, |
| const SkPaint* paint = NULL); |
| virtual void drawSprite(const SkBitmap& bitmap, int left, int top, |
| const SkPaint* paint = NULL); |
| virtual void drawText(const void* text, size_t byteLength, SkScalar x, |
| SkScalar y, const SkPaint& paint); |
| virtual void drawPosText(const void* text, size_t byteLength, |
| const SkPoint pos[], const SkPaint& paint); |
| virtual void drawPosTextH(const void* text, size_t byteLength, |
| const SkScalar xpos[], SkScalar constY, |
| const SkPaint& paint); |
| virtual void drawTextOnPath(const void* text, size_t byteLength, |
| const SkPath& path, const SkMatrix* matrix, |
| const SkPaint& paint); |
| virtual void drawPicture(SkPicture&); |
| virtual void drawVertices(VertexMode vmode, int vertexCount, |
| const SkPoint vertices[], const SkPoint texs[], |
| const SkColor colors[], SkXfermode* xmode, |
| const uint16_t indices[], int indexCount, |
| const SkPaint& paint); |
| virtual void drawData(const void*, size_t); |
| |
| private: |
| Dumper* fDumper; |
| int fNestLevel; // for nesting recursive elements like pictures |
| |
| void dump(Verb, const SkPaint*, const char format[], ...); |
| |
| typedef SkCanvas INHERITED; |
| }; |
| |
| #endif |