/**
* Utility function for checking if the server can generate thumbnails.
*
* @return bool True if it can, false otherwise.
*/
public function thumbnailsAvailable()
{
if (!self::$_thumbnails) {
require_once JPATH_LIBRARIES.'/koowa/components/com_files/helper/phpthumb/phpthumb.php';
$pt = PhpThumb::getInstance();
self::$_thumbnails = $pt->isValidImplementation(PhpThumbFactory::$defaultImplemenation) || $pt->isValidImplementation('gd');
}
return self::$_thumbnails;
}
