private byte[] CreateData(int typeNumber, ErrorCorrectLevel errorCorrectLevel, List <QR8BitByte> dataList)
{
var rsBlocks = QRRSBlock.GetRSBlocks(typeNumber, errorCorrectLevel);
var buffer = new QRBitBuffer();
for (var i = 0; i < dataList.Count; i += 1)
{
var data = dataList[i];
buffer.Put((int)data.Mode, 4);
buffer.Put(data.Length, QRUtil.GetLengthInBits(data.Mode, typeNumber));
data.Write(buffer);
}
// calc num max data.
var totalDataCount = 0;
for (var i = 0; i < rsBlocks.Length; i += 1)
{
totalDataCount += rsBlocks[i].DataCount;
}
if (buffer.LengthInBits > totalDataCount * 8)
{
throw new OverflowException(
$"code length overflow. ({buffer.LengthInBits}>{totalDataCount * 8})"
);
}
// end code
if (buffer.LengthInBits + 4 <= totalDataCount * 8)
{
buffer.Put(0, 4);
}
// padding
while (buffer.LengthInBits % 8 != 0)
{
buffer.PutBit(false);
}
// padding
while (true)
{
if (buffer.LengthInBits >= totalDataCount * 8)
{
break;
}
buffer.Put(Pad0, 8);
if (buffer.LengthInBits >= totalDataCount * 8)
{
break;
}
buffer.Put(Pad1, 8);
}
return(CreateBytes(buffer, rsBlocks));
}
public void Write(QRBitBuffer buffer)
{
for (var i = 0; i < _bytes.Length; i += 1)
{
buffer.Put(_bytes[i], 8);
}
}
private byte[] CreateBytes(QRBitBuffer buffer, QRRSBlock[] rsBlocks)
{
var offset = 0;
var maxDcCount = 0;
var maxEcCount = 0;
var dcdata = new int[rsBlocks.Length][];
var ecdata = new int[rsBlocks.Length][];
for (var r = 0; r < rsBlocks.Length; r += 1)
{
var dcCount = rsBlocks[r].DataCount;
var ecCount = rsBlocks[r].TotalCount - dcCount;
maxDcCount = Math.Max(maxDcCount, dcCount);
maxEcCount = Math.Max(maxEcCount, ecCount);
dcdata[r] = new int[dcCount];
for (var i = 0; i < dcdata[r].Length; i += 1)
{
dcdata[r][i] = 0xff & buffer.GetByte(i + offset);
}
offset += dcCount;
var rsPoly = QRUtil.GetErrorCorrectPolynomial(ecCount);
var rawPoly = new QRPolynomial(dcdata[r], rsPoly.Length - 1);
var modPoly = rawPoly.Mod(rsPoly);
ecdata[r] = new int[rsPoly.Length - 1];
for (var i = 0; i < ecdata[r].Length; i += 1)
{
var modIndex = i + modPoly.Length - ecdata[r].Length;
ecdata[r][i] = (modIndex >= 0) ? modPoly[modIndex] : 0;
}
}
var totalCodeCount = 0;
for (var i = 0; i < rsBlocks.Length; i += 1)
{
totalCodeCount += rsBlocks[i].TotalCount;
}
var data = new byte[totalCodeCount];
var index = 0;
for (var i = 0; i < maxDcCount; i += 1)
{
for (var r = 0; r < rsBlocks.Length; r += 1)
{
if (i < dcdata[r].Length)
{
data[index] = (byte)dcdata[r][i];
index += 1;
}
}
}
for (var i = 0; i < maxEcCount; i += 1)
{
for (var r = 0; r < rsBlocks.Length; r += 1)
{
if (i < ecdata[r].Length)
{
data[index] = (byte)ecdata[r][i];
index += 1;
}
}
}
return(data);
}
