protected function footerSettings()
    {
        $this->setPrintFooter(
            Config::get('laravel-tcpdf::footer_on')
        );

        $this->setFooterFont(array(
            Config::get('laravel-tcpdf::footer_font'),
            '',
            Config::get('laravel-tcpdf::footer_font_size')
        ));

        $this->setFooterMargin(
            Config::get('laravel-tcpdf::footer_margin')
        );
    }