add alternative to isRect named asRect

include/core/SkPath.h

Index: include/core/SkPath.h
diff --git a/include/core/SkPath.h b/include/core/SkPath.h
index 9b3f281ea9508bb08f07966dbb21cabb37af9b04..fa13039fe5569b98ef2e85a0871cb290a06a4abd 100644
--- a/include/core/SkPath.h
+++ b/include/core/SkPath.h
@@ -555,6 +555,24 @@ public:
         return computedDir == dir;
     }
 
+    enum PathAsRect {
+        /** The path can not draw the same as its bounds. */
+        kNone_PathAsRect,
+        /** The path draws the same as its bounds when stroked or filled. */
+        kStroke_PathAsRect,
+        /** The path draws the same as its bounds when filled. */
+        kFill_PathAsRect,
+    };
+
+    /** Returns kFill_PathAsRect or kStroke_PathAsRect if the path is a rect. If

[reed1, 2014/01/23 18:34:20]

I wonder if we want a different overall description...

Returns kFill or kStroke if drawing the path (either filled or stroked) will be
equivalent to filling/stroking the path's bounding rect.
(SkPath::getBounds())...

[caryclark, 2014/01/23 19:03:23]

Done.

+        so, and direction is not null, sets the direction of the contour. If the
+        path is not a rect, returns kNone_PathAsRect and ignores direction.
+
+        @param direction If not null, set to the contour's direction when it is a rect
+        @return the path's PathAsRect type
+     */
+    PathAsRect asRect(Direction* direction = NULL) const;
+
     /** Returns true if the path specifies a rectangle. If so, and if isClosed is
         not null, set isClosed to true if the path is closed. Also, if returning true
         and direction is not null, return the rect direction. If the path does not