1 2 #ifndef SkNWayCanvas_DEFINED 3 #define SkNWayCanvas_DEFINED 4 5 #include "SkCanvas.h" 6 7 class SkNWayCanvas : public SkCanvas { 8 public: 9 SkNWayCanvas(); 10 virtual ~SkNWayCanvas(); 11 12 void addCanvas(SkCanvas*); 13 void removeCanvas(SkCanvas*); 14 void removeAll(); 15 16 /////////////////////////////////////////////////////////////////////////// 17 // These are forwarded to the N canvases we're referencing 18 19 virtual int save(SaveFlags flags = kMatrixClip_SaveFlag); 20 virtual int saveLayer(const SkRect* bounds, const SkPaint* paint, 21 SaveFlags flags = kARGB_ClipLayer_SaveFlag); 22 virtual void restore(); 23 virtual bool translate(SkScalar dx, SkScalar dy); 24 virtual bool scale(SkScalar sx, SkScalar sy); 25 virtual bool rotate(SkScalar degrees); 26 virtual bool skew(SkScalar sx, SkScalar sy); 27 virtual bool concat(const SkMatrix& matrix); 28 virtual void setMatrix(const SkMatrix& matrix); 29 virtual bool clipRect(const SkRect& rect, 30 SkRegion::Op op = SkRegion::kIntersect_Op); 31 virtual bool clipPath(const SkPath& path, 32 SkRegion::Op op = SkRegion::kIntersect_Op); 33 virtual bool clipRegion(const SkRegion& deviceRgn, 34 SkRegion::Op op = SkRegion::kIntersect_Op); 35 36 virtual void drawPaint(const SkPaint& paint); 37 virtual void drawPoints(PointMode mode, size_t count, const SkPoint pts[], 38 const SkPaint& paint); 39 virtual void drawRect(const SkRect& rect, const SkPaint& paint); 40 virtual void drawPath(const SkPath& path, const SkPaint& paint); 41 virtual void drawBitmap(const SkBitmap& bitmap, SkScalar left, SkScalar top, 42 const SkPaint* paint = NULL); 43 virtual void drawBitmapRect(const SkBitmap& bitmap, const SkIRect* src, 44 const SkRect& dst, const SkPaint* paint = NULL); 45 virtual void drawBitmapMatrix(const SkBitmap& bitmap, const SkMatrix& m, 46 const SkPaint* paint = NULL); 47 virtual void drawSprite(const SkBitmap& bitmap, int left, int top, 48 const SkPaint* paint = NULL); 49 virtual void drawText(const void* text, size_t byteLength, SkScalar x, 50 SkScalar y, const SkPaint& paint); 51 virtual void drawPosText(const void* text, size_t byteLength, 52 const SkPoint pos[], const SkPaint& paint); 53 virtual void drawPosTextH(const void* text, size_t byteLength, 54 const SkScalar xpos[], SkScalar constY, 55 const SkPaint& paint); 56 virtual void drawTextOnPath(const void* text, size_t byteLength, 57 const SkPath& path, const SkMatrix* matrix, 58 const SkPaint& paint); 59 virtual void drawPicture(SkPicture&); 60 virtual void drawShape(SkShape*); 61 virtual void drawVertices(VertexMode vmode, int vertexCount, 62 const SkPoint vertices[], const SkPoint texs[], 63 const SkColor colors[], SkXfermode* xmode, 64 const uint16_t indices[], int indexCount, 65 const SkPaint& paint); 66 67 virtual SkBounder* setBounder(SkBounder* bounder); 68 virtual SkDrawFilter* setDrawFilter(SkDrawFilter* filter); 69 70 private: 71 SkTDArray<SkCanvas*> fList; 72 73 class Iter; 74 75 typedef SkCanvas INHERITED; 76 }; 77 78 79 #endif 80 81
