public function __construct($width = 400, $height = 200)
{
parent::__construct();
if (!Validator::isNumber($width) || Validator::isNumber($height)) {
throw new IllegalArgumentException();
}
$this->captcha = new Images($width, $height);
$this->captcha->setBackgroundColor(new Color(0, 0, 0));
$this->captcha->setTextColor(new Color(255, 255, 255));
$string = new StringW(Hash::r());
$this->text = $string->subString(0, Math::randomInterval(6, 8));
$this->captcha->setText(Math::randomInterval(2, 6), new Point(0, 0), $string, FALSE);
}
