/** * Send message or command to buffer * @param string $text */ public function text($text = '') { $this->buffer->write($text); }
/** * Wrapper for GS ( L, to calculate and send correct data length. * * @param string $m Modifier/variant for function. Usually '0'. * @param string $fn Function number to use, as character. * @param string $data Data to send. */ protected function sendGraphicsData($m, $fn, $data = '') { $header = $this->intLowHigh(strlen($data) + 2, 2); $this->buffer->write(self::GS . '(L' . $header . $m . $fn . $data); }