change getBounds to return 0000 iff there are zero points

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
 #define SkPath_DEFINED
 
@@ skipping 255 matching lines @@
 
         @param verbs If not null, receives up to max verbs
         @param max The maximum number of verbs to copy into verbs
         @return the actual number of verbs in the path
     */
     int getVerbs(uint8_t verbs[], int max) const;
 
     //! Swap contents of this and other. Guaranteed not to throw
     void swap(SkPath& other);
 
-    /** Returns the bounds of the path's points. If the path contains 0 or 1
-        points, the bounds is set to (0,0,0,0), and isEmpty() will return true.
-        Note: this bounds may be larger than the actual shape, since curves
-        do not extend as far as their control points. Additionally this bound
-        can contain trailing MoveTo points (cf. isRect).
+    /**
+     *  Returns the bounds of the path's points. If the path contains zero points/verbs, this
+     *  will return the "empty" rect [0, 0, 0, 0].
+     *  Note: this bounds may be larger than the actual shape, since curves
+     *  do not extend as far as their control points. Additionally this bound encompases all points,
+     *  even isolated moveTos either preceeding or following the last non-degenerate contour.
     */
     const SkRect& getBounds() const {
         return fPathRef->getBounds();
     }
 
     /** Calling this will, if the internal cache of the bounds is out of date,
         update it so that subsequent calls to getBounds will be instantaneous.
         This also means that any copies or simple transformations of the path
         will inherit the cached bounds.
      */
@@ skipping 710 matching lines @@
     void setPt(int index, SkScalar x, SkScalar y);
 
     friend class SkAutoPathBoundsUpdate;
     friend class SkAutoDisableOvalCheck;
     friend class SkAutoDisableDirectionCheck;
     friend class SkBench_AddPathTest; // perf test reversePathTo
     friend class PathTest_Private; // unit test reversePathTo
 };
 
 #endif