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esc_pos_print_plus
Commit 263726d3 authored by Andrey's avatar Andrey
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qr code example

parent fd702e14
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Showing with 22 additions and 18 deletions
example/discover_printers/lib/main.dart
View file @ 263726d3
......@@ -279,24 +279,28 @@ class _MyHomePageState extends State<MyHomePage> {
ticket.text(timestamp,
styles: PosStyles(align: PosAlign.center), linesAfter: 2);
try {
const String qrData = 'example.com';
const double qrSize = 200;
final uiImg = await QrPainter(
data: qrData,
version: QrVersions.auto,
gapless: false,
).toImageData(qrSize);
final dir = await getTemporaryDirectory();
final pathName = '${dir.path}/qr_tmp.png';
final qrFile = File(pathName);
final imgFile = await qrFile.writeAsBytes(uiImg.buffer.asUint8List());
final img = decodeImage(imgFile.readAsBytesSync());
ticket.image(img);
} catch (e) {
print(e);
}
// Print QR Code from image
// try {
// const String qrData = 'example.com';
// const double qrSize = 200;
// final uiImg = await QrPainter(
// data: qrData,
// version: QrVersions.auto,
// gapless: false,
// ).toImageData(qrSize);
// final dir = await getTemporaryDirectory();
// final pathName = '${dir.path}/qr_tmp.png';
// final qrFile = File(pathName);
// final imgFile = await qrFile.writeAsBytes(uiImg.buffer.asUint8List());
// final img = decodeImage(imgFile.readAsBytesSync());
// ticket.image(img);
// } catch (e) {
// print(e);
// }
// Print QR Code using native function
// ticket.qrcode('example.com');
ticket.feed(2);
ticket.cut();
......
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