/**
* Set the shape.
*
* @param int $shape A value from the Shape enumeration.
* @throws \InvalidArgumentException If $shape is not a value from the Shape enumeration.
*/
public function setShape($shape)
{
if (in_array($shape, Shape::asArray())) {
$this->shape = $shape;
} else {
$msg = "The shape argument must be a value from the Shape enumeration, '" . $shape . "' given.";
throw new InvalidArgumentException($msg);
}
}
