QRCode constructor
QRCode(
- String text,
- QRSize size,
- QRCorrection level
Implementation
QRCode(
String text,
QRSize size,
QRCorrection level,
) {
List<int> bytes = <int>[];
// FN 167. QR Code: Set the size of module
// pL pH cn fn n
bytes += cQrHeader.codeUnits +
const <int>[0x03, 0x00, 0x31, 0x43] +
<int>[size.value];
// FN 169. QR Code: Select the error correction level
// pL pH cn fn n
bytes += cQrHeader.codeUnits +
const <int>[0x03, 0x00, 0x31, 0x45] +
<int>[level.value];
// FN 180. QR Code: Store the data in the symbol storage area
final List<int> textBytes = latin1.encode(text);
// pL pH cn fn m
bytes += cQrHeader.codeUnits +
<int>[
textBytes.length + 3,
0x00,
0x31,
0x50,
0x30,
];
bytes += textBytes;
// FN 182. QR Code: Transmit the size information of
// the symbol data in the symbol storage area
// pL pH cn fn m
bytes += cQrHeader.codeUnits + const <int>[0x03, 0x00, 0x31, 0x52, 0x30];
// FN 181. QR Code: Print the symbol data in the symbol storage area
// pL pH cn fn m
bytes += cQrHeader.codeUnits + const <int>[0x03, 0x00, 0x31, 0x51, 0x30];
this.bytes = bytes;
}