Expose SkPathRef::unique through SkPath.

include/core/SkPath.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 SkPath_DEFINED
@@ skipping 24 matching lines @@
     SkPath();
     SkPath(const SkPath&);
     ~SkPath();
 
     SkPath& operator=(const SkPath&);
     friend  SK_API bool operator==(const SkPath&, const SkPath&);
     friend bool operator!=(const SkPath& a, const SkPath& b) {
         return !(a == b);
     }
 
+    /** May return true if the caller is the only owner.

[reed1, 2015/02/12 19:47:48]

"May" ? That is mysteriously noncommittal.

/** Retruns true if the caller is the only owner of the underlying path data.
*/

+     */
+    bool unique() const { return fPathRef->unique(); }
+
     enum FillType {
         /** Specifies that "inside" is computed by a non-zero sum of signed
             edge crossings
         */
         kWinding_FillType,
         /** Specifies that "inside" is computed by an odd number of edge
             crossings
         */
         kEvenOdd_FillType,
         /** Same as Winding, but draws outside of the path, rather than inside
@@ skipping 980 matching lines @@
     }
 
     friend class SkAutoPathBoundsUpdate;
     friend class SkAutoDisableOvalCheck;
     friend class SkAutoDisableDirectionCheck;
     friend class SkBench_AddPathTest; // perf test reversePathTo
     friend class PathTest_Private; // unit test reversePathTo
 };
 
 #endif