private static BitList EncodeEan13(string content)
{
var result = new BitList();
result.AddBit(true, false, true);
bool[] firstNum = null;
var cpos = 0;
foreach (var r in content)
{
Constants.EncodedNumber num = Constants.EncodingTable[r];
if (firstNum == null)
{
firstNum = num.Checksum;
cpos++;
continue;
}
bool[] data = cpos < 7 ? firstNum[cpos - 1] ? num.LeftEven : num.LeftOdd : num.Right;
if (cpos == 7)
{
result.AddBit(false, true, false, true, false);
}
result.AddBit(data);
cpos++;
}
result.AddBit(true, false, true);
return(result);
}
private static BitList EncodeEan8(string content)
{
var result = new BitList();
result.AddBit(true, false, true);
var cpos = 0;
foreach (var r in content)
{
Constants.EncodedNumber num = Constants.EncodingTable[r];
bool[] data = cpos < 4 ? num.LeftOdd : num.Right;
if (cpos == 4)
{
result.AddBit(false, true, false, true, false);
}
result.AddBit(data);
cpos++;
}
result.AddBit(true, false, true);
return(result);
}