Implemented core library

1 files changed, 30 insertions, 0 deletions

diff --git a/src/ellipse.js b/src/ellipse.js
new file mode 100644
index 0000000..9e03277
--- /dev/null
+++ b/src/ellipse.js
@@ -0,0 +1,30 @@
+
+SVG.Ellipse = function Ellipse() {
+  this.constructor.call(this, SVG.createElement('ellipse'));
+};
+
+// inherit from SVG.Shape
+SVG.Ellipse.prototype = new SVG.Shape();
+
+// custom move function
+SVG.Ellipse.prototype.move = function(x, y) {
+  this.attributes.x = x;
+  this.attributes.y = y;
+  this._center();
+  
+  return this;
+};
+
+// custom size function
+SVG.Ellipse.prototype.size = function(w, h) {
+  this.setAttribute('rx', w / 2);
+  this.setAttribute('ry', h / 2);
+  this._center();
+  
+  return this; 
+};
+
+SVG.Ellipse.prototype._center = function() {
+  this.setAttribute('cx', (this.attributes.x || 0) + (this.attributes.rx || 0));
+  this.setAttribute('cy', (this.attributes.y || 0) + (this.attributes.ry || 0));
+};
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