result.dart
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import 'dart:js_interop';
import 'dart:typed_data';
import 'dart:ui';
import 'package:mobile_scanner/src/enums/barcode_format.dart';
import 'package:mobile_scanner/src/web/zxing/result_point.dart';
/// The JS static interop class for the Result class in the ZXing library.
///
/// See also: https://github.com/zxing-js/library/blob/master/src/core/Result.ts
@JS()
@staticInterop
abstract class Result {}
extension ResultExt on Result {
/// Get the barcode format.
///
/// See also https://github.com/zxing-js/library/blob/master/src/core/BarcodeFormat.ts
external JSFunction getBarcodeFormat;
/// Get the raw bytes of the result.
external JSFunction getRawBytes;
/// Get the points of the result.
external JSFunction getResultPoints;
/// Get the text of the result.
external JSFunction getText;
/// Get the timestamp of the result.
external JSFunction getTimestamp;
/// Get the barcode format of the result.
BarcodeFormat get barcodeFormat {
final JSNumber? format = getBarcodeFormat.callAsFunction() as JSNumber?;
switch (format?.toDartInt) {
case 0:
return BarcodeFormat.aztec;
case 1:
return BarcodeFormat.codabar;
case 2:
return BarcodeFormat.code39;
case 3:
return BarcodeFormat.code93;
case 4:
return BarcodeFormat.code128;
case 5:
return BarcodeFormat.dataMatrix;
case 6:
return BarcodeFormat.ean8;
case 7:
return BarcodeFormat.ean13;
case 8:
return BarcodeFormat.itf;
case 9:
// Maxicode
return BarcodeFormat.unknown;
case 10:
return BarcodeFormat.pdf417;
case 11:
return BarcodeFormat.qrCode;
case 12:
// RSS 14
return BarcodeFormat.unknown;
case 13:
// RSS EXPANDED
return BarcodeFormat.unknown;
case 14:
return BarcodeFormat.upcA;
case 15:
return BarcodeFormat.upcE;
case 16:
// UPC/EAN extension
return BarcodeFormat.unknown;
default:
return BarcodeFormat.unknown;
}
}
/// Get the corner points of the result.
List<Offset> get resultPoints {
final JSArray? resultPoints = getResultPoints.callAsFunction() as JSArray?;
if (resultPoints == null) {
return [];
}
return resultPoints.toDart.cast<ResultPoint>().map((point) {
return Offset(point.x, point.y);
}).toList();
}
/// Get the raw bytes of the result.
Uint8List? get rawBytes {
final JSUint8Array? rawBytes = getRawBytes.callAsFunction() as JSUint8Array?;
return rawBytes?.toDart;
}
/// Get the text of the result.
String? get text {
return getText.callAsFunction() as String?;
}
/// Get the timestamp of the result.
int? get timestamp {
final JSNumber? timestamp = getTimestamp.callAsFunction() as JSNumber?;
return timestamp?.toDartInt;
}
}