Fix x/y not being set on rectangle sometimes. Closes #344.

src/rect.class.js

@@ -11,6 +11,7 @@
   }
 
   /**
+   * Rectangle class
    * @class Rect
    * @extends fabric.Object
    */
@@ -40,7 +41,7 @@
     /**
      * Constructor
      * @method initialize
-     * @param options {Object} options object
+     * @param {Object} [options] Options object
      * @return {Object} thisArg
      */
     initialize: function(options) {
@@ -49,6 +50,9 @@
       this._initStateProperties();
       this.callSuper('initialize', options);
       this._initRxRy();
+
+      this.x = 0;
+      this.y = 0;
     },
 
     /**
@@ -62,6 +66,7 @@
     },
 
     /**
+     * Initializes rx/ry attributes
      * @private
      * @method _initRxRy
      */
@@ -166,7 +171,7 @@
     /**
      * Returns svg representation of an instance
      * @method toSVG
-     * @return {string} svg representation of an instance
+     * @return {String} svg representation of an instance
      */
     toSVG: function() {
       return '<rect ' +
@@ -179,8 +184,6 @@
     }
   });
 
-  // TODO (kangax): implement rounded rectangles (both parsing and rendering)
-
   /**
    * List of attribute names to account for when parsing SVG element (used by `fabric.Rect.fromElement`)
    * @static
@@ -197,12 +200,12 @@
   }
 
   /**
-   * Returns fabric.Rect instance from an SVG element
+   * Returns {@link fabric.Rect} instance from an SVG element
    * @static
    * @method fabric.Rect.fromElement
-   * @param element {SVGElement} element to parse
-   * @param options {Object} options object
-   * @return {fabric.Rect} instance of fabric.Rect
+   * @param {SVGElement} element Element to parse
+   * @param {Object} [options] Options object
+   * @return {fabric.Rect} Instance of fabric.Rect
    */
   fabric.Rect.fromElement = function(element, options) {
     if (!element) {
@@ -219,7 +222,7 @@
   };
 
   /**
-   * Returns fabric.Rect instance from an object representation
+   * Returns {@link fabric.Rect} instance from an object representation
    * @static
    * @method fabric.Rect.fromObject
    * @param object {Object} object to create an instance from