BarcodeGenerator::dispatch_calculate_size

private function dispatch_calculate_size($code, $widths, $options) {
	if ($code && isset($code['g']) && $code['g']) {
		switch ($code['g']) {
			case 'l':
				return $this->linear_calculate_size($code, $widths);
			case 'm':
				return $this->matrix_calculate_size($code, $widths);
		}
	}
	return array(0, 0);
}