MultiFormatUPCEANReader constructor

MultiFormatUPCEANReader(Map<DecodeHintType, Object>? hints)

Implementation

MultiFormatUPCEANReader(Map<DecodeHintType, Object>? hints) {
  // @SuppressWarnings("unchecked")
  final possibleFormats =
      hints?[DecodeHintType.POSSIBLE_FORMATS] as List<BarcodeFormat>?;
  final readers = <UPCEANReader>[];
  if (possibleFormats != null) {
    if (possibleFormats.contains(BarcodeFormat.EAN_13)) {
      readers.add(EAN13Reader());
    } else if (possibleFormats.contains(BarcodeFormat.UPC_A)) {
      readers.add(UPCAReader());
    }
    if (possibleFormats.contains(BarcodeFormat.EAN_8)) {
      readers.add(EAN8Reader());
    }
    if (possibleFormats.contains(BarcodeFormat.UPC_E)) {
      readers.add(UPCEReader());
    }
  }
  if (readers.isEmpty) {
    readers.add(EAN13Reader());
    // UPC-A is covered by EAN-13
    readers.add(EAN8Reader());
    readers.add(UPCEReader());
  }
  _readers = readers.toList();
}