Add getCurrentClipPath() to SkCanvas.

include/core/SkCanvas.h

 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkCanvas_DEFINED
 #define SkCanvas_DEFINED
 
@@ skipping 1111 matching lines @@
 
     /** Return the clip stack. The clip stack stores all the individual
      *  clips organized by the save/restore frame in which they were
      *  added.
      *  @return the current clip stack ("list" of individual clip elements)
      */
     const SkClipStack* getClipStack() const {
         return &fClipStack;
     }
 
+    /**
+     *  Gets a current clip path from the clip stack.
+     */
+    void getCurrentClipPath(SkPath*) const;
+
     typedef SkCanvasClipVisitor ClipVisitor;
     /**
      *  Replays the clip operations, back to front, that have been applied to
      *  the canvas, calling the appropriate method on the visitor for each
      *  clip. All clips have already been transformed into device space.
      */
     void replayClips(ClipVisitor*) const;
 
     ///////////////////////////////////////////////////////////////////////////
 
@@ skipping 355 matching lines @@
 
 class SkCanvasClipVisitor {
 public:
     virtual ~SkCanvasClipVisitor();
     virtual void clipRect(const SkRect&, SkRegion::Op, bool antialias) = 0;
     virtual void clipRRect(const SkRRect&, SkRegion::Op, bool antialias) = 0;
     virtual void clipPath(const SkPath&, SkRegion::Op, bool antialias) = 0;
 };
 
 #endif