public static function run($dataDir = null)
 {
     # Instantiate barcode object
     $bb = new BarCodeBuilder();
     $margins = new MarginsF();
     # 6 milimeter space from left, right, top and bottom side of border
     $margins->setLeft(2);
     $margins->setRight(2);
     $margins->setTop(2);
     $margins->setBottom(2);
     # Set border's width to be 0.5 milimeter
     $bb->setBorderWidth(0.5);
     # Border will be visible
     $bb->setBorderVisible(true);
     # Set the border's color to red
     $color = new Color();
     $bb->setBorderColor($color->RED);
     # Set margins
     $bb->setMargins($margins);
     $bb->save($dataDir . "border.jpg");
     # Display Status.
     print "Set border margins, please check the output file." . PHP_EOL;
 }