protected override void Encode(string barcodeValue)
{
LoadSymbologyPattern();
// Add check digit to barcode value.
if (_useCheckDigit)
{
int checkDigit = LinearHelpers.GetUpcCheckDigit(barcodeValue);
barcodeValue += checkDigit;
EncodedValue = barcodeValue;
}
EncodedValue = barcodeValue;
ZplEncode = EncodedValue;
for (int encodePosition = 0; encodePosition <= barcodeValue.Length - 1; encodePosition += 2)
{
// Check if first or last character in barcode and insert start/stop symbol
if (encodePosition == 0)
{
LinearEncoding.Add("*", 1, _patternDictionary["START"]);
}
string digitPair = barcodeValue.Substring(encodePosition, 2);
LinearEncoding.Add(digitPair, 0, _patternDictionary[digitPair]);
if (encodePosition == barcodeValue.Length - 2)
{
LinearEncoding.Add("*", 1, _patternDictionary["STOP"]);
}
}
SetMinXDimension();
SetMinBarcodeHeight();
}
/// <summary>
/// Returns a string compatible with the given Code39 symbology.
/// </summary>
/// <param name="text">Text to convert from.</param>
/// <param name="symbology">Code39 symbology to be used.</param>
/// <returns>Code39 supported string.</returns>
public string Parse(string text, Symbology symbology)
{
switch (symbology)
{
case Symbology.Code39Full:
return(LinearHelpers.GetOnlyAscii(text));
case Symbology.Code39FullC:
return(LinearHelpers.GetOnlyAscii(text));
default:
return(GetOnlyCode39(text));
}
}
protected override void Encode(string barcodeValue)
{
ZplEncode = "";
LoadSymbologyPattern();
LoadGroupPattern();
int startPoint;
int midPoint;
int endPoint;
string group;
int encodeOffset;
int checkDigit = LinearHelpers.GetUpcCheckDigit(barcodeValue);
switch (Symbology)
{
case Symbology.Ean13:
startPoint = 1;
midPoint = 7;
endPoint = 12;
// Set the group pattern to use, based on the first digit of the barcode.
group = _groupDictionary[barcodeValue[0]];
// Set human readable prefix to the first digit of the barcode value.
LinearEncoding.HumanReadablePrefix = barcodeValue.Substring(0, 1);
LinearEncoding.HumanReadableSuffix = ">";
encodeOffset = 1;
break;
case Symbology.UpcA:
startPoint = 0;
midPoint = 6;
endPoint = 11;
// Set UPC-A group pattern
group = _groupDictionary[48];
// Set human readable prefix to the first digit of the barcode value.
LinearEncoding.HumanReadablePrefix = barcodeValue.Substring(0, 1);
// Set human readable suffix to the check digit value of the barcode.
LinearEncoding.HumanReadableSuffix = checkDigit.ToString();
encodeOffset = 0;
break;
case Symbology.Ean8:
startPoint = 0;
midPoint = 4;
endPoint = 7;
// Set EAN-8 group pattern
group = _groupDictionary[8];
LinearEncoding.HumanReadablePrefix = "<";
LinearEncoding.HumanReadableSuffix = ">";
encodeOffset = 0;
break;
default:
startPoint = 1;
midPoint = 7;
endPoint = 12;
// Set the group pattern to use, based on the first digit of the barcode.
group = _groupDictionary[barcodeValue[0]];
// Set human readable prefix to the first digit of the barcode value.
LinearEncoding.HumanReadablePrefix = barcodeValue.Substring(0, 1);
LinearEncoding.HumanReadableSuffix = ">";
encodeOffset = 1;
break;
}
for (int encodePosition = startPoint; encodePosition <= endPoint - 1; encodePosition++)
{
// Check if first digit in barcode and insert start symbol.
if (encodePosition == startPoint)
{
LinearEncoding.Add("*", 1, _patternDictionary["START"]);
}
// Check if mid point and insert separator.
if (encodePosition == midPoint)
{
LinearEncoding.Add("*", 1, _patternDictionary["MID"]);
}
int characterType = LinearHelpers.GetCharacterType(Symbology, encodePosition, barcodeValue.Length);
string digitEncode = barcodeValue.Substring(encodePosition, 1) + group.Substring(encodePosition - encodeOffset, 1);
LinearEncoding.Add(digitEncode.Substring(0, 1), characterType, _patternDictionary[digitEncode]);
ZplEncode += barcodeValue.Substring(encodePosition, 1);
// Add check digit and stop symbol if last encoding character.
if (encodePosition == endPoint - 1)
{
characterType = LinearHelpers.GetCharacterType(Symbology, encodePosition + 1, barcodeValue.Length);
string checkDigitCode = checkDigit + group.Substring(encodePosition - encodeOffset, 1);
LinearEncoding.Add(checkDigitCode.Substring(0, 1), characterType, _patternDictionary[checkDigitCode]);
EncodedValue = barcodeValue + checkDigit;
LinearEncoding.Add("*", 1, _patternDictionary["STOP"]);
}
}
SetMinXDimension();
SetMinBarcodeHeight();
}
