/**
* Create a new cached image.
* @param string $filename The filename of the image.
* @param boolean $isSingleton This this to true if this is a singleton() object, a stub for calling methods. Singletons
* don't have their defaults set.
*/
public function __construct($filename = null, $isSingleton = false)
{
parent::__construct(array(), $isSingleton);
$this->Filename = $filename;
}
