text: /**
   * Bounding box constructor.
   * @class
   * @classdesc Bounding box class.
   * @param {?number}  left   Left X coordinate.
   * @param {?number}  top    Top Y coordinate.
   * @param {?number}  right  Right X coordinate.
   * @param {?number}  bottom Bottom Y coordinate.
   */
  ge.BBox = function BBox(left, top, right, bottom) {
  	/**
  	 * Left X coordinate.
  	 * @member {number}
  	 */
  	this.left = +left || 0;
  	/**
  	 * Top Y coordinate.
  	 * @member {number}
  	 */
  	this.top = +top || 0;
  	/**
  	 * Right X coordinate.
  	 * @member {number}
  	 */
  	this.right = +right || 0;
  	/**
  	 * Bottom Y coordinate.
  	 * @member {number}
  	 */
  	this.bottom = +bottom || 0;
  };
  