Renamed Curve#reverse() and Segment#reverse() to #reversed()

Since they don't modify the object. Also introduce new Segment#reverse(), which does.

src/path/Curve.js

@@ -522,8 +522,8 @@ var Curve = Base.extend(/** @lends Curve# */{
      *
      * @return {Curve} a reversed version of the curve
      */
-    reverse: function() {
+    reversed: function() {
-        return new Curve(this._segment2.reverse(), this._segment1.reverse());
+        return new Curve(this._segment2.reversed(), this._segment1.reversed());
     },
 
     /**

src/path/Segment.js

@@ -393,10 +393,24 @@ var Segment = Base.extend(/** @lends Segment# */{
     },
 
     /**
-     * Returns the reversed the segment, without modifying the segment itself.
+     * Reverses the {@link #handleIn} and {@link #handleOut} vectors of this
+     * segment. Note: the actual segment is modified, no copy is created.
      * @return {Segment} the reversed segment
      */
     reverse: function() {
+        var handleIn = this._handleIn,
+            handleOut = this._handleOut,
+            inX = handleIn._x,
+            inY = handleIn._y;
+        handleIn.set(handleOut._x, handleOut._y);
+        handleOut.set(inX, inY);
+    },
+
+    /**
+     * Returns the reversed the segment, without modifying the segment itself.
+     * @return {Segment} the reversed segment
+     */
+    reversed: function() {
         return new Segment(this._point, this._handleOut, this._handleIn);
     },
 

test/tests/Segment.js

@@ -43,7 +43,7 @@ test('new Segment(size)', function() {
 
 test('segment.reverse()', function() {
     var segment = new Segment(new Point(10, 10), new Point(5, 5), new Point(15, 15));
-    segment = segment.reverse();
+    segment.reverse();
     equals(segment.toString(), '{ point: { x: 10, y: 10 }, handleIn: { x: 15, y: 15 }, handleOut: { x: 5, y: 5 } }');
 });