/// <summary>
/// Determines whether the specified <see cref="System.Object"/> is equal to this instance.
/// </summary>
/// <param name="o">The <see cref="System.Object"/> to compare with this instance.</param>
/// <returns>
/// <c>true</c> if the specified <see cref="System.Object"/> is equal to this instance; otherwise, <c>false</c>.
/// </returns>
override public bool Equals(Object o)
{
if (!(o is DataCharacter))
{
return(false);
}
DataCharacter that = (DataCharacter)o;
return(Value == that.Value && ChecksumPortion == that.ChecksumPortion);
}
private Pair decodePair(BitArray row, bool right, int rowNumber, IDictionary <DecodeHintType, object> hints)
{
int[] startEnd = findFinderPattern(row, 0, right);
if (startEnd == null)
{
return(null);
}
FinderPattern pattern = parseFoundFinderPattern(row, rowNumber, right, startEnd);
if (pattern == null)
{
return(null);
}
ResultPointCallback resultPointCallback = hints == null || !hints.ContainsKey(DecodeHintType.NEED_RESULT_POINT_CALLBACK) ? null :
(ResultPointCallback)hints[DecodeHintType.NEED_RESULT_POINT_CALLBACK];
if (resultPointCallback != null)
{
float center = (startEnd[0] + startEnd[1]) / 2.0f;
if (right)
{
// row is actually reversed
center = row.Size - 1 - center;
}
resultPointCallback(new ResultPoint(center, rowNumber));
}
DataCharacter outside = decodeDataCharacter(row, pattern, true);
if (outside == null)
{
return(null);
}
DataCharacter inside = decodeDataCharacter(row, pattern, false);
if (inside == null)
{
return(null);
}
return(new Pair(1597 * outside.Value + inside.Value,
outside.ChecksumPortion + 4 * inside.ChecksumPortion,
pattern));
}