code: function updateRectGuides(parent) {
  	var guide = parent._guide;
  	if (guide) {
  		guide.x = parent.x;
  		guide.y = parent.y;
  		guide.width = parent.width;
  		guide.height = parent.height;
  		guide.fromCenter = parent.fromCenter;
  	}
  }
docs: Update handle guides for rectangular layer