Plumb drawArc to SkDevice

include/utils/SkPaintFilterCanvas.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkPaintFilterCanvas_DEFINED
 #define SkPaintFilterCanvas_DEFINED
 
@@ skipping 13 matching lines @@
 
     /**
      * The new SkPaintFilterCanvas is configured for forwarding to the
      * specified canvas.  Also copies the target canvas matrix and clip bounds.
      */
     SkPaintFilterCanvas(SkCanvas* canvas);
 
     enum Type {
         kPaint_Type,
         kPoint_Type,
+        kArc_Type,
         kBitmap_Type,
         kRect_Type,
         kRRect_Type,
         kDRRect_Type,
         kOval_Type,
         kPath_Type,
         kPicture_Type,
         kText_Type,
         kTextBlob_Type,
         kVertices_Type,
@@ skipping 15 matching lines @@
      *        override the relevant methods (i.e. drawPicture, drawTextBlob).
      */
     virtual bool onFilter(SkTCopyOnFirstWrite<SkPaint>* paint, Type type) const = 0;
 
     void onDrawPaint(const SkPaint&) override;
     void onDrawPoints(PointMode, size_t count, const SkPoint pts[], const SkPaint&) override;
     void onDrawRect(const SkRect&, const SkPaint&) override;
     void onDrawRRect(const SkRRect&, const SkPaint&) override;
     void onDrawDRRect(const SkRRect&, const SkRRect&, const SkPaint&) override;
     void onDrawOval(const SkRect&, const SkPaint&) override;
+    void onDrawArc(const SkRect&, SkScalar, SkScalar, bool, const SkPaint&) override;
     void onDrawPath(const SkPath&, const SkPaint&) override;
     void onDrawBitmap(const SkBitmap&, SkScalar left, SkScalar top, const SkPaint*) override;
     void onDrawBitmapRect(const SkBitmap&, const SkRect* src, const SkRect& dst, const SkPaint*,
                           SrcRectConstraint) override;
     void onDrawBitmapNine(const SkBitmap&, const SkIRect& center, const SkRect& dst,
                           const SkPaint*) override;
     void onDrawImage(const SkImage*, SkScalar left, SkScalar top, const SkPaint*) override;
     void onDrawImageRect(const SkImage*, const SkRect* src, const SkRect& dst,
                          const SkPaint*, SrcRectConstraint) override;
     void onDrawImageNine(const SkImage*, const SkIRect& center, const SkRect& dst,
@@ skipping 21 matching lines @@
     void onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,
                         const SkPaint& paint) override;
 
 private:
     class AutoPaintFilter;
 
     typedef SkNWayCanvas INHERITED;
 };
 
 #endif