toHex method

@override String toHex(String data)

Implementation

@override
String toHex(String data) {
  String result = "";
  int b = 0;
  bool n = false;
  for (final BarcodeHMBar bit in convertHM(data)) {
    b = (b << 2) + bit.index;
    if (n) {
      result += b.toRadixString(16);
      b = 0;
    }
    n = !n;
  }
  return result;
}