private string Code_128()
{
int achecksum = 0;
string startcode = "";
string aresult = "";
int i = 0;
string cadc;
int idx;
BarcodeType btyp;
string text = CurrentText;
while (i < text.Length)
{
btyp = BarType;
if (btyp == BarcodeType.Code128)
{
btyp = Code128.FindNewType(text, i);
}
switch (btyp)
{
case BarcodeType.Code128A:
achecksum = 103;
startcode = Code128.StartA;
break;
case BarcodeType.Code128B:
achecksum = 104;
startcode = Code128.StartB;
break;
case BarcodeType.Code128C:
achecksum = 105;
startcode = Code128.StartC;
break;
}
// Start code
if (i == 0)
{
aresult = aresult + DoConvert(startcode);
}
// Look for EAN control
if (text[i] == (char)0xBF)
{
aresult = aresult + DoConvert("411131");
achecksum = achecksum + 102 * (i + 1);
i++;
if (i >= text.Length)
{
break;
}
}
switch (btyp)
{
case BarcodeType.Code128A:
case BarcodeType.Code128B:
while (i < text.Length)
{
idx = Code128.FindCodeAB(btyp, text[i]);
if (idx < 0)
{
idx = Code128.FindCodeAB(btyp, ' ');
}
aresult = aresult + DoConvert(Code128.table[idx].data);
achecksum = achecksum + idx * (i + 1);
i++;
// Look for EAN control
if (i < text.Length)
{
if (text[i] == (char)0xBF)
{
aresult = aresult + DoConvert("411131");
achecksum = achecksum + 102 * (i + 1);
i++;
break;
}
}
}
break;
case BarcodeType.Code128C:
cadc = "";
while (i < text.Length)
{
cadc = cadc + text[i];
if (cadc.Length > 1)
{
idx = Code128.FindCodeC(cadc);
if (idx < 0)
{
idx = Code128.FindCodeC("00");
}
achecksum = achecksum + idx * ((i + 1) / 2);
aresult = aresult + DoConvert(Code128.table[idx].data);
cadc = "";
}
i++;
// Look for EAN control
if (i < text.Length)
{
if (text[i] == (char)0xBF)
{
aresult = aresult + DoConvert("411131");
achecksum = achecksum + 102 * (i + 1);
i++;
break;
}
}
}
break;
}
}
achecksum = achecksum % 103;
aresult = aresult + DoConvert(Code128.table[achecksum].data);
aresult = aresult + DoConvert(Code128.Stop);
return(aresult);
}
