public static function run($dataDir = null)
{
# Instantiate barcode object
$bb = new BarCodeBuilder();
$color = new Color();
# Set the background color of the barcode
$bb->setBackColor($color->YELLOW);
# Set the foreground color of the barcode
$bb->setForeColor($color->BLUE);
# Set border's color
$bb->setBorderColor($color->RED);
# Set the code text's color
$bb->setCodeTextColor($color->RED);
# Caption's color
$bb->getCaptionAbove()->setForeColor($color->darkGray);
$bb->getCaptionBelow()->setForeColor($color->CYAN);
$bb->save($dataDir . "color.jpg");
# Display Status.
print "Applied color to barcode image, please check the output file." . PHP_EOL;
}
