1 files changed, 79 insertions, 0 deletions
diff --git a/include/effects/SkNWayCanvas.h b/include/effects/SkNWayCanvas.h
new file mode 100644
index 0000000000..2394037157
--- /dev/null
+++ b/include/effects/SkNWayCanvas.h
@@ -0,0 +1,79 @@
+
+#ifndef SkNWayCanvas_DEFINED
+#define SkNWayCanvas_DEFINED
+
+#include "SkCanvas.h"
+
+class SkNWayCanvas : public SkCanvas {
+public:
+    SkNWayCanvas();
+    virtual ~SkNWayCanvas();
+    
+    void addCanvas(SkCanvas*);
+    void removeCanvas(SkCanvas*);
+    void removeAll();
+
+    ///////////////////////////////////////////////////////////////////////////
+    // These are forwarded to the N canvases we're referencing
+
+    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& picture);
+    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 SkBounder* setBounder(SkBounder* bounder);
+    virtual SkDrawFilter* setDrawFilter(SkDrawFilter* filter);
+    
+private:
+    SkTDArray<SkCanvas*> fList;
+    
+    class Iter;
+
+    typedef SkCanvas INHERITED;
+};
+
+
+#endif
+