printQr method

Future<KeckPrintResult> printQr(
  1. String data, {
  2. int size = 4,
})

Druckt einen QR-Code (nativer ESC/POS-Befehl). size = 1..8.

Implementation

Future<KeckPrintResult> printQr(String data, {int size = 4}) =>
    transport.send(_generator().qrcode(data, size: _qrSize(size)));