protected override string GetEncoding(string value)
{
if (string.IsNullOrEmpty(value))
{
return(string.Empty);
}
if (this.Checksum)
{
value += (string)(object)Code39.GetChecksum(value);
}
if (!value.StartsWith(Code39.Prefix))
{
value = Code39.Prefix + value;
}
if (!value.EndsWith(Code39.Suffix))
{
value += Code39.Suffix;
}
StringBuilder stringBuilder = new StringBuilder();
for (int index = 0; index < value.Length; ++index)
{
if (stringBuilder.Length > 0)
{
stringBuilder.Append(Symbology1D.GapChar);
}
stringBuilder.Append(Code39.Encoding[value[index]]);
}
return(stringBuilder.ToString());
}
private static char GetChecksum(string value)
{
return(Code39.GetChecksum(value, 43));
}