public override Result decodeRow(int rowNumber, BitArray row, System.Collections.Hashtable hints)
{
// Compute this location once and reuse it on multiple implementations
int[] startGuardPattern = AbstractUPCEANReader.findStartGuardPattern(row);
int size = readers.Count;
for (int i = 0; i < size; i++)
{
UPCEANReader reader = (UPCEANReader)readers[i];
Result result;
try {
result = reader.decodeRow(rowNumber, row, startGuardPattern);
} catch (ReaderException re) {
continue;
}
// Special case: a 12-digit code encoded in UPC-A is identical to a "0"
// followed by those 12 digits encoded as EAN-13. Each will recognize such a code,
// UPC-A as a 12-digit string and EAN-13 as a 13-digit string starting with "0".
// Individually these are correct and their readers will both read such a code
// and correctly call it EAN-13, or UPC-A, respectively.
//
// In this case, if we've been looking for both types, we'd like to call it
// a UPC-A code. But for efficiency we only run the EAN-13 decoder to also read
// UPC-A. So we special case it here, and convert an EAN-13 result to a UPC-A
// result if appropriate.
if (result.getBarcodeFormat().Equals(BarcodeFormat.EAN_13) && result.getText()[0] == '0')
{
return(new Result(result.getText().Substring(1), null, result.getResultPoints(), BarcodeFormat.UPC_A));
}
return(result);
}
throw new ReaderException();
}
public override Result decodeRow(int rowNumber, BitArray row, int[] startGuardRange, Dictionary <object, object> hints)
{
return(maybeReturnResult(ean13Reader.decodeRow(rowNumber, row, startGuardRange, hints)));
}
// public override Result decodeRow(int rowNumber, BitArray row, int[] startGuardRange, System.Collections.Hashtable hints) // commented by .net follower (http://dotnetfollower.com)
public override Result decodeRow(int rowNumber, BitArray row, int[] startGuardRange, System.Collections.Generic.Dictionary <Object, Object> hints) // added by .net follower (http://dotnetfollower.com)
{
return(maybeReturnResult(ean13Reader.decodeRow(rowNumber, row, startGuardRange, hints)));
}
public override Result decodeRow(int rowNumber, BitArray row, int[] startGuardRange, System.Collections.Hashtable hints)
{
return(maybeReturnResult(ean13Reader.decodeRow(rowNumber, row, startGuardRange, hints)));
}
public Result decodeRow(int rowNumber, BitArray row, int[] startGuardRange)
{
return(maybeReturnResult(ean13Reader.decodeRow(rowNumber, row, startGuardRange)));
}