write method
Implementation
@override
void write(QRBitBuffer buffer) {
// Walk through the list of number; attempting to encode up to 2 at a time.
// Write (N *5 + 1) bits.
final leftOver = _string.length % 2;
final efficientGrab = _string.length - leftOver;
for (var i = 0; i < efficientGrab; i += 2) {
final encoded = encodeArray[_string.codeUnitAt(i)]! * 45 +
encodeArray[_string.codeUnitAt(i + 1)]!;
buffer.put(encoded, 11);
}
if (leftOver > 0) {
// N*5 + 1 = 6
buffer.put(encodeArray[_string.codeUnitAt(_string.length - 1)]!, 6);
}
}