1 files changed, 4 insertions, 4 deletions
diff --git a/src/ellipse.js b/src/ellipse.js
index 1f9ef41..598c250 100644
--- a/src/ellipse.js
+++ b/src/ellipse.js
@@ -10,19 +10,19 @@ SVG.Ellipse.prototype = new SVG.Shape
 SVG.extend(SVG.Ellipse, {
   // Move over x-axis
   x: function(x) {
-    return this.cx(x + this.attrs.rx)
+    return x == null ? this.cx() - this.attr('rx') : this.cx(x + this.attr('rx'))
   }
   // Move over y-axis
 , y: function(y) {
-    return this.cy(y + this.attrs.ry)
+    return y == null ? this.cy() - this.attr('ry') : this.cy(y + this.attr('ry'))
   }
   // Move by center over x-axis
 , cx: function(x) {
-    return this.attr('cx', x)
+    return x == null ? this.attr('cx') : this.attr('cx', x / this.trans.scaleX)
   }
   // Move by center over y-axis
 , cy: function(y) {
-    return this.attr('cy', y)
+    return y == null ? this.attr('cy') : this.attr('cy', y / this.trans.scaleY)
   }
   // Custom size function
 , size: function(width, height) {