code: function getCanvasData() {
      var canvasData = this.canvasData;
      var data = {};
  
      if (this.ready) {
        forEach(['left', 'top', 'width', 'height', 'naturalWidth', 'naturalHeight'], function (n) {
          data[n] = canvasData[n];
        });
      }
  
      return data;
    }
docs: Get the canvas position and size data.
  @returns {Object} The result canvas data.