/**
* Get hash code
*
* @return string Hash code
*/
public function getHashCode()
{
return md5((is_null($this->type) ? 'null' : $this->type->getHashCode()) . $this->axisX->getHashCode() . $this->axisY->getHashCode() . $this->offsetX . $this->offsetY . $this->width . $this->height . __CLASS__);
}