public static function getCenterShapes()
    {
        if (self::$centerShapes === null) {
            self::$centerShapes = self::createCenterShapes();
        }
        return self::$centerShapes;
    }
public static function getCenterShapes()
    {
        if (self::$centerShapes === null) {
            self::$centerShapes = self::createCenterShapes();
        }
        return self::$centerShapes;
    }
public static function getCenterShapes ( ) { if ( self :: $ centerShapes === null ) { self :: $ centerShapes = self :: createCenterShapes ( ) ; } return self :: $ centerShapes ; }
Gets an array of all possible center shapes. Do not modify the returned
array.

@return array(\Jdenticon\Rendering\Shape)
Gets an array of all possible center shapes . Do not modify the returned array .