private void SetupPositionAdjustPattern()
{
var pos = QRUtil.GetPatternPosition(_typeNumber);
for (var i = 0; i < pos.Length; i++)
{
for (var j = 0; j < pos.Length; j++)
{
var row = pos[i];
var col = pos[j];
if (_modules[row][col] != null)
{
continue;
}
for (var r = -2; r <= 2; r++)
{
for (var c = -2; c <= 2; c++)
{
if (r == -2 || r == 2 || c == -2 || c == 2 ||
(r == 0 && c == 0))
{
_modules[row + r][col + c] = true;
}
else
{
_modules[row + r][col + c] = false;
}
}
}
}
}
}
private void MapData(DataCache data, QRMaskPattern maskPattern)
{
var inc = -1;
var row = _moduleCount - 1;
var bitIndex = 7;
var byteIndex = 0;
for (var col = _moduleCount - 1; col > 0; col -= 2)
{
if (col == 6)
{
col--;
}
while (true)
{
for (int c = 0; c < 2; c++)
{
if (_modules[row][col - c] == null)
{
var dark = false;
if (byteIndex < data.Count)
{
dark = (((Convert.ToUInt32(data[byteIndex]) >> bitIndex) & 1) == 1);
}
var mask = QRUtil.GetMask(maskPattern, row, col - c);
if (mask)
{
dark = !dark;
}
_modules[row][col - c] = dark;
bitIndex--;
if (bitIndex == -1)
{
byteIndex++;
bitIndex = 7;
}
}
}
row += inc;
if (row < 0 || _moduleCount <= row)
{
row -= inc;
inc = -inc;
break;
}
}
}
}
internal static int GetBCHTypeNumber(int data)
{
var d = data << 12;
while (QRUtil.GetBCHDigit(d) - QRUtil.GetBCHDigit(QRUtil.G18) >= 0)
{
d ^= (QRUtil.G18 << (QRUtil.GetBCHDigit(d) - QRUtil.GetBCHDigit(QRUtil.G18)));
}
return((data << 12) | d);
}
internal static int GetBCHTypeInfo(int data)
{
var d = (data << 10);
var s = 0;
while ((s = (int)(QRUtil.GetBCHDigit(d) - QRUtil.GetBCHDigit(QRUtil.G15))) >= 0)
{
d ^= (Convert.ToInt32(QRUtil.G15) << s);
}
return(((data << 10) | d) ^ QRUtil.G15_MASK);
}
private void SetupTypeNumber(bool test)
{
var bits = QRUtil.GetBCHTypeNumber(_typeNumber);
for (var i = 0; i < 18; i++)
{
var mod = (!test && ((bits >> i) & 1) == 1);
_modules[(int)Math.Floor(Convert.ToDouble(i) / 3.0)][i % 3 + _moduleCount - 8 - 3] = mod;
}
for (var i = 0; i < 18; i++)
{
var mod = (!test && ((bits >> i) & 1) == 1);
_modules[i % 3 + _moduleCount - 8 - 3][(int)Math.Floor(Convert.ToDouble(i) / 3.0)] = mod;
}
}
private void SetupTypeInfo(bool test, QRMaskPattern maskPattern)
{
var data = ((int)_errorCorrectLevel << 3) | (int)maskPattern;
var bits = QRUtil.GetBCHTypeInfo(data);
// vertical
for (var i = 0; i < 15; i++)
{
var mod = (!test && ((bits >> i) & 1) == 1);
if (i < 6)
{
_modules[i][8] = mod;
}
else if (i < 8)
{
_modules[i + 1][8] = mod;
}
else
{
_modules[_moduleCount - 15 + i][8] = mod;
}
}
// horizontal
for (var i = 0; i < 15; i++)
{
var mod = (!test && ((bits >> i) & 1) == 1);
if (i < 8)
{
_modules[8][_moduleCount - i - 1] = mod;
}
else if (i < 9)
{
_modules[8][15 - i - 1 + 1] = mod;
}
else
{
_modules[8][15 - i - 1] = mod;
}
}
// fixed module
_modules[_moduleCount - 8][8] = (!test);
}
private QRMaskPattern GetBestMaskPattern()
{
var minLostPoint = 0.0;
var pattern = QRMaskPattern.PATTERN000;
for (var i = 0; i < 8; i++)
{
MakeImpl(true, (QRMaskPattern)i);
var lostPoint = QRUtil.GetLostPoint(this);
if (i == 0 || minLostPoint > lostPoint)
{
minLostPoint = lostPoint;
pattern = (QRMaskPattern)i;
}
}
return(pattern);
}
private DataCache CreateBytes(QRBitBuffer buffer, List <QRRSBlock> rsBlocks)
{
var offset = 0;
var maxDcCount = 0;
var maxEcCount = 0;
var dcdata = new DataCache[(rsBlocks.Count)];
var ecdata = new DataCache[(rsBlocks.Count)];
for (var r = 0; r < rsBlocks.Count; r++)
{
var dcCount = rsBlocks[r].DataCount;
var ecCount = rsBlocks[r].TotalCount - dcCount;
maxDcCount = Math.Max(maxDcCount, dcCount);
maxEcCount = Math.Max(maxEcCount, ecCount);
dcdata[r] = new DataCache(dcCount);
for (var i = 0; i < dcdata[r].Count; i++)
{
dcdata[r][i] = 0xff & buffer._buffer[i + offset];
}
offset += dcCount;
var rsPoly = QRUtil.GetErrorCorrectPolynomial(ecCount);
var rawPoly = new QRPolynomial(dcdata[r], rsPoly.GetLength() - 1);
var modPoly = rawPoly.Mod(rsPoly);
ecdata[r] = new DataCache(rsPoly.GetLength() - 1);
for (var i = 0; i < ecdata[r].Count; i++)
{
int modIndex = i + modPoly.GetLength() - ecdata[r].Count;
ecdata[r][i] = (modIndex >= 0) ? modPoly.Get(modIndex) : 0;
}
}
var totalCodeCount = 0;
for (var i = 0; i < rsBlocks.Count; i++)
{
totalCodeCount += rsBlocks[i].TotalCount;
}
var data = new DataCache(totalCodeCount);
var index = 0;
for (var i = 0; i < maxDcCount; i++)
{
for (var r = 0; r < rsBlocks.Count; r++)
{
if (i < dcdata[r].Count)
{
data[index++] = dcdata[r][i];
}
}
}
for (var i = 0; i < maxEcCount; i++)
{
for (var r = 0; r < rsBlocks.Count; r++)
{
if (i < ecdata[r].Count)
{
data[index++] = ecdata[r][i];
}
}
}
return(data);
}
private DataCache CreateData(int typeNumber, QRErrorCorrectLevel errorCorrectLevel, List <QR8bitByte> dataList)
{
var rsBlocks = QRRSBlock.GetRSBlocks(typeNumber, errorCorrectLevel);
var buffer = new QRBitBuffer();
for (var i = 0; i < dataList.Count; i++)
{
QR8bitByte 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.
int totalDataCount = 0;
for (var i = 0; i < rsBlocks.Count; i++)
{
totalDataCount += rsBlocks[i].DataCount;
}
if (buffer.GetLengthInBits() > totalDataCount * 8)
{
throw new ErrorException(string.Format(
"code length overflow ({0} > {1})",
buffer.GetLengthInBits(),
totalDataCount * 8), ErrorCode.CodeLengthOverflow);
}
// end code
if (buffer.GetLengthInBits() + 4 <= totalDataCount * 8)
{
buffer.Put(0, 4);
}
// padding
while (buffer.GetLengthInBits() % 8 != 0)
{
buffer.PutBit(false);
}
// padding
while (true)
{
if (buffer.GetLengthInBits() >= totalDataCount * 8)
{
break;
}
buffer.Put(QRCode.PAD0, 8);
if (buffer.GetLengthInBits() >= totalDataCount * 8)
{
break;
}
buffer.Put(QRCode.PAD1, 8);
}
return(CreateBytes(buffer, rsBlocks));
}