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/enums/barcode_type.dart';
import 'package:mobile_scanner/src/objects/barcode.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()
@anonymous
@staticInterop
abstract class Result {}
extension ResultExt on Result {
@JS('barcodeFormat')
external JSNumber? get _barcodeFormat;
@JS('text')
external JSString? get _text;
@JS('rawBytes')
external JSUint8Array? get _rawBytes;
@JS('resultPoints')
external JSArray? get _resultPoints;
@JS('timestamp')
external JSNumber? get _timestamp;
/// Get the barcode format of the result.
///
/// See also https://github.com/zxing-js/library/blob/master/src/core/BarcodeFormat.ts
BarcodeFormat get barcodeFormat {
switch (_barcodeFormat?.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? points = _resultPoints;
if (points == null) {
return [];
}
return points.toDart.cast<ResultPoint>().map((point) {
return Offset(point.x, point.y);
}).toList();
}
/// Get the raw bytes of the result.
Uint8List? get rawBytes => _rawBytes?.toDart;
/// Get the text of the result.
String? get text => _text?.toDart;
/// Get the timestamp of the result.
int? get timestamp => _timestamp?.toDartInt;
/// Convert this result to a [Barcode].
Barcode get toBarcode {
return Barcode(
corners: resultPoints,
format: barcodeFormat,
displayValue: text,
rawBytes: rawBytes,
rawValue: text,
type: BarcodeType.text,
);
}
}