private static sbyte[] CalculateRSECC(sbyte[] codewords, sbyte rsEccCodewords, sbyte[] rsBlockOrder, int maxDataCodewords, int maxCodewords)
{
sbyte[][] rsCalTableArray = new sbyte[256][];
for (int i = 0; i < 256; i++)
{
rsCalTableArray[i] = new sbyte[rsEccCodewords];
}
try
{
String filename = QRCODE_DATA_PATH + @"\rsc" + rsEccCodewords.ToString() + ".dat";
StreamReader reader = new StreamReader(filename);
BufferedStream bis = new BufferedStream(reader.BaseStream);
//String fileName = DATA_PATH + "." + "rsc" + rsEccCodewords.ToString() + ".dat";
//MemoryStream memoryStream = new MemoryStream(Resources.GetResource(fileName));
//Stream stream = GetEmbeddedFile(fileName);
//BufferedStream bis = new BufferedStream(stream);
for (int i = 0; i < 256; i++)
{
SystemUtils.ReadInput(bis, rsCalTableArray[i], 0, rsCalTableArray[i].Length);
}
bis.Close();
reader.Close();
//stream.Close();
}
catch (Exception e)
{
SystemUtils.WriteStackTrace(e, Console.Error);
throw e;
}
/* ---- RS-ECC prepare */
int i2 = 0;
int j = 0;
int rsBlockNumber = 0;
sbyte[][] rsTemp = new sbyte[rsBlockOrder.Length][];
/*
* for (int i = 0; i < rsBlockOrder.Length; i++)
* {
* rsTemp[i] = new sbyte[rsBlockOrder.Length];
* }
*/
sbyte[] res = new sbyte[maxCodewords];
Array.Copy(codewords, 0, res, 0, codewords.Length);
i2 = 0;
while (i2 < rsBlockOrder.Length)
{
rsTemp[i2] = new sbyte[(rsBlockOrder[i2] & 0xFF) - rsEccCodewords];
i2++;
}
i2 = 0;
while (i2 < maxDataCodewords)
{
rsTemp[rsBlockNumber][j] = codewords[i2];
j++;
if (j >= (rsBlockOrder[rsBlockNumber] & 0xFF) - rsEccCodewords)
{
j = 0;
rsBlockNumber++;
}
i2++;
}
/* --- RS-ECC main --- */
rsBlockNumber = 0;
while (rsBlockNumber < rsBlockOrder.Length)
{
sbyte[] rsTempData;
rsTempData = new sbyte[rsTemp[rsBlockNumber].Length];
rsTemp[rsBlockNumber].CopyTo(rsTempData, 0);
int rsCodewords = (rsBlockOrder[rsBlockNumber] & 0xFF);
int rsDataCodewords = rsCodewords - rsEccCodewords;
j = rsDataCodewords;
while (j > 0)
{
sbyte first = rsTempData[0];
if (first != 0)
{
sbyte[] leftChr = new sbyte[rsTempData.Length - 1];
Array.Copy(rsTempData, 1, leftChr, 0, rsTempData.Length - 1);
sbyte[] cal = rsCalTableArray[(first & 0xFF)];
rsTempData = CalculateByteArrayBits(leftChr, cal, "xor");
}
else
{
if (rsEccCodewords < rsTempData.Length)
{
sbyte[] rsTempNew = new sbyte[rsTempData.Length - 1];
Array.Copy(rsTempData, 1, rsTempNew, 0, rsTempData.Length - 1);
rsTempData = new sbyte[rsTempNew.Length];
rsTempNew.CopyTo(rsTempData, 0);
}
else
{
sbyte[] rsTempNew = new sbyte[rsEccCodewords];
Array.Copy(rsTempData, 1, rsTempNew, 0, rsTempData.Length - 1);
rsTempNew[rsEccCodewords - 1] = 0;
rsTempData = new sbyte[rsTempNew.Length];
rsTempNew.CopyTo(rsTempData, 0);
}
}
j--;
}
Array.Copy(rsTempData, 0, res, codewords.Length + rsBlockNumber * rsEccCodewords, (byte)rsEccCodewords);
rsBlockNumber++;
}
return(res);
}
private static sbyte SelectMask(sbyte[][] matrixContent, int maxCodewordsBitWithRemain)
{
int l = matrixContent.Length;
int[] d1 = new int[] { 0, 0, 0, 0, 0, 0, 0, 0 };
int[] d2 = new int[] { 0, 0, 0, 0, 0, 0, 0, 0 };
int[] d3 = new int[] { 0, 0, 0, 0, 0, 0, 0, 0 };
int[] d4 = new int[] { 0, 0, 0, 0, 0, 0, 0, 0 };
int d2And = 0;
int d2Or = 0;
int[] d4Counter = new int[] { 0, 0, 0, 0, 0, 0, 0, 0 };
for (int y = 0; y < l; y++)
{
int[] xData = new int[] { 0, 0, 0, 0, 0, 0, 0, 0 };
int[] yData = new int[] { 0, 0, 0, 0, 0, 0, 0, 0 };
bool[] xD1Flag = new bool[] { false, false, false, false, false, false, false, false };
bool[] yD1Flag = new bool[] { false, false, false, false, false, false, false, false };
for (int x = 0; x < l; x++)
{
if (x > 0 && y > 0)
{
d2And = matrixContent[x][y] & matrixContent[x - 1][y] & matrixContent[x][y - 1] & matrixContent[x - 1][y - 1] & 0xFF;
d2Or = (matrixContent[x][y] & 0xFF) | (matrixContent[x - 1][y] & 0xFF) | (matrixContent[x][y - 1] & 0xFF) | (matrixContent[x - 1][y - 1] & 0xFF);
}
for (int maskNumber = 0; maskNumber < 8; maskNumber++)
{
xData[maskNumber] = ((xData[maskNumber] & 63) << 1) | ((SystemUtils.URShift((matrixContent[x][y] & 0xFF), maskNumber)) & 1);
yData[maskNumber] = ((yData[maskNumber] & 63) << 1) | ((SystemUtils.URShift((matrixContent[y][x] & 0xFF), maskNumber)) & 1);
if ((matrixContent[x][y] & (1 << maskNumber)) != 0)
{
d4Counter[maskNumber]++;
}
if (xData[maskNumber] == 93)
{
d3[maskNumber] += 40;
}
if (yData[maskNumber] == 93)
{
d3[maskNumber] += 40;
}
if (x > 0 && y > 0)
{
if (((d2And & 1) != 0) || ((d2Or & 1) == 0))
{
d2[maskNumber] += 3;
}
d2And = d2And >> 1;
d2Or = d2Or >> 1;
}
if (((xData[maskNumber] & 0x1F) == 0) || ((xData[maskNumber] & 0x1F) == 0x1F))
{
if (x > 3)
{
if (xD1Flag[maskNumber])
{
d1[maskNumber]++;
}
else
{
d1[maskNumber] += 3;
xD1Flag[maskNumber] = true;
}
}
}
else
{
xD1Flag[maskNumber] = false;
}
if (((yData[maskNumber] & 0x1F) == 0) || ((yData[maskNumber] & 0x1F) == 0x1F))
{
if (x > 3)
{
if (yD1Flag[maskNumber])
{
d1[maskNumber]++;
}
else
{
d1[maskNumber] += 3;
yD1Flag[maskNumber] = true;
}
}
}
else
{
yD1Flag[maskNumber] = false;
}
}
}
}
int minValue = 0;
sbyte res = 0;
int[] d4Value = new int[] { 90, 80, 70, 60, 50, 40, 30, 20, 10, 0, 0, 10, 20, 30, 40, 50, 60, 70, 80, 90, 90 };
for (int maskNumber = 0; maskNumber < 8; maskNumber++)
{
d4[maskNumber] = d4Value[(int)((20 * d4Counter[maskNumber]) / maxCodewordsBitWithRemain)];
int demerit = d1[maskNumber] + d2[maskNumber] + d3[maskNumber] + d4[maskNumber];
if (demerit < minValue || maskNumber == 0)
{
res = (sbyte)maskNumber;
minValue = demerit;
}
}
return(res);
}
public virtual bool[][] CalQrcode(byte[] qrcodeData)
{
int dataLength;
int dataCounter = 0;
dataLength = qrcodeData.Length;
int[] dataValue = new int[dataLength + 32];
sbyte[] dataBits = new sbyte[dataLength + 32];
if (dataLength <= 0)
{
bool[][] ret = new bool[][] { new bool[] { false } };
return(ret);
}
if (qrcodeStructureappendN > 1)
{
dataValue[0] = 3;
dataBits[0] = 4;
dataValue[1] = qrcodeStructureappendM - 1;
dataBits[1] = 4;
dataValue[2] = qrcodeStructureappendN - 1;
dataBits[2] = 4;
dataValue[3] = qrcodeStructureappendParity;
dataBits[3] = 8;
dataCounter = 4;
}
dataBits[dataCounter] = 4;
/* --- determine encode mode --- */
int[] codewordNumPlus;
int codewordNumCounterValue;
switch (qrcodeEncodeMode)
{
/* ---- alphanumeric mode --- */
case ENCODE_MODE.ALPHA_NUMERIC:
codewordNumPlus = new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4 };
dataValue[dataCounter] = 2;
dataCounter++;
dataValue[dataCounter] = dataLength;
dataBits[dataCounter] = 9;
codewordNumCounterValue = dataCounter;
dataCounter++;
for (int i = 0; i < dataLength; i++)
{
char chr = (char)qrcodeData[i];
sbyte chrValue = 0;
if (chr >= 48 && chr < 58)
{
chrValue = (sbyte)(chr - 48);
}
else
{
if (chr >= 65 && chr < 91)
{
chrValue = (sbyte)(chr - 55);
}
else
{
if (chr == 32)
{
chrValue = 36;
}
if (chr == 36)
{
chrValue = 37;
}
if (chr == 37)
{
chrValue = 38;
}
if (chr == 42)
{
chrValue = 39;
}
if (chr == 43)
{
chrValue = 40;
}
if (chr == 45)
{
chrValue = 41;
}
if (chr == 46)
{
chrValue = 42;
}
if (chr == 47)
{
chrValue = 43;
}
if (chr == 58)
{
chrValue = 44;
}
}
}
if ((i % 2) == 0)
{
dataValue[dataCounter] = chrValue;
dataBits[dataCounter] = 6;
}
else
{
dataValue[dataCounter] = dataValue[dataCounter] * 45 + chrValue;
dataBits[dataCounter] = 11;
if (i < dataLength - 1)
{
dataCounter++;
}
}
}
dataCounter++;
break;
/* ---- numeric mode ---- */
case ENCODE_MODE.NUMERIC:
codewordNumPlus = new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4 };
dataValue[dataCounter] = 1;
dataCounter++;
dataValue[dataCounter] = dataLength;
dataBits[dataCounter] = 10; /* #version 1-9*/
codewordNumCounterValue = dataCounter;
dataCounter++;
for (int i = 0; i < dataLength; i++)
{
if ((i % 3) == 0)
{
dataValue[dataCounter] = (int)(qrcodeData[i] - 0x30);
dataBits[dataCounter] = 4;
}
else
{
dataValue[dataCounter] = dataValue[dataCounter] * 10 + (int)(qrcodeData[i] - 0x30);
if ((i % 3) == 1)
{
dataBits[dataCounter] = 7;
}
else
{
dataBits[dataCounter] = 10;
if (i < dataLength - 1)
{
dataCounter++;
}
}
}
}
dataCounter++;
break;
/* ---- 8bit byte ---- */
default:
codewordNumPlus = new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8 };
dataValue[dataCounter] = 4;
dataCounter++;
dataValue[dataCounter] = dataLength;
dataBits[dataCounter] = 8; /* #version 1-9 */
codewordNumCounterValue = dataCounter;
dataCounter++;
for (int i = 0; i < dataLength; i++)
{
dataValue[i + dataCounter] = (qrcodeData[i] & 0xFF);
dataBits[i + dataCounter] = 8;
}
dataCounter += dataLength;
break;
}
int totalDataBits = 0;
for (int i = 0; i < dataCounter; i++)
{
totalDataBits += dataBits[i];
}
int ec;
switch (qrcodeErrorCorrect)
{
case ERROR_CORRECTION.L:
ec = 1;
break;
case ERROR_CORRECTION.Q:
ec = 3;
break;
case ERROR_CORRECTION.H:
ec = 2;
break;
default:
ec = 0;
break;
}
int[][] maxDataBitsArray = new int[][] { new int[] { 0, 128, 224, 352, 512, 688, 864, 992, 1232, 1456, 1728, 2032, 2320, 2672, 2920, 3320, 3624, 4056, 4504, 5016, 5352, 5712, 6256, 6880, 7312, 8000, 8496, 9024, 9544, 10136, 10984, 11640, 12328, 13048, 13800, 14496, 15312, 15936, 16816, 17728, 18672 }, new int[] { 0, 152, 272, 440, 640, 864, 1088, 1248, 1552, 1856, 2192, 2592, 2960, 3424, 3688, 4184, 4712, 5176, 5768, 6360, 6888, 7456, 8048, 8752, 9392, 10208, 10960, 11744, 12248, 13048, 13880, 14744, 15640, 16568, 17528, 18448, 19472, 20528, 21616, 22496, 23648 }, new int[] { 0, 72, 128, 208, 288, 368, 480, 528, 688, 800, 976, 1120, 1264, 1440, 1576, 1784, 2024, 2264, 2504, 2728, 3080, 3248, 3536, 3712, 4112, 4304, 4768, 5024, 5288, 5608, 5960, 6344, 6760, 7208, 7688, 7888, 8432, 8768, 9136, 9776, 10208 }, new int[] { 0, 104, 176, 272, 384, 496, 608, 704, 880, 1056, 1232, 1440, 1648, 1952, 2088, 2360, 2600, 2936, 3176, 3560, 3880, 4096, 4544, 4912, 5312, 5744, 6032, 6464, 6968, 7288, 7880, 8264, 8920, 9368, 9848, 10288, 10832, 11408, 12016, 12656, 13328 } };
int maxDataBits = 0;
if (qrcodeVersion == 0)
{
/* auto version select */
qrcodeVersion = 1;
for (int i = 1; i <= 40; i++)
{
if ((maxDataBitsArray[ec][i]) >= totalDataBits + codewordNumPlus[qrcodeVersion])
{
maxDataBits = maxDataBitsArray[ec][i];
break;
}
qrcodeVersion++;
}
}
else
{
maxDataBits = maxDataBitsArray[ec][qrcodeVersion];
}
totalDataBits += codewordNumPlus[qrcodeVersion];
dataBits[codewordNumCounterValue] = (sbyte)(dataBits[codewordNumCounterValue] + codewordNumPlus[qrcodeVersion]);
int[] maxCodewordsArray = new int[] { 0, 26, 44, 70, 100, 134, 172, 196, 242, 292, 346, 404, 466, 532, 581, 655, 733, 815, 901, 991, 1085, 1156, 1258, 1364, 1474, 1588, 1706, 1828, 1921, 2051, 2185, 2323, 2465, 2611, 2761, 2876, 3034, 3196, 3362, 3532, 3706 };
int maxCodewords = maxCodewordsArray[qrcodeVersion];
int maxModules1side = 17 + (qrcodeVersion << 2);
int[] matrixRemainBit = new int[] { 0, 0, 7, 7, 7, 7, 7, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 0, 0, 0, 0, 0, 0 };
/* ---- read version ECC data file */
int byte_num = matrixRemainBit[qrcodeVersion] + (maxCodewords << 3);
sbyte[] matrixX = new sbyte[byte_num];
sbyte[] matrixY = new sbyte[byte_num];
sbyte[] maskArray = new sbyte[byte_num];
sbyte[] formatInformationX2 = new sbyte[15];
sbyte[] formatInformationY2 = new sbyte[15];
sbyte[] rsEccCodewords = new sbyte[1];
sbyte[] rsBlockOrderTemp = new sbyte[128];
try
{
String filename = QRCODE_DATA_PATH + @"\qrv" + System.Convert.ToString(qrcodeVersion) + "_" + System.Convert.ToString(ec) + ".dat";
StreamReader reader = new StreamReader(filename);
BufferedStream bis = new BufferedStream(reader.BaseStream);
//String fileName = DATA_PATH + "." + "qrv" + Convert.ToString(qrcodeVersion) + "_" + Convert.ToString(ec) + ".dat";
//MemoryStream memoryStream = new MemoryStream(Resources.GetResource(fileName));
//Stream stream = GetEmbeddedFile(fileName);
//BufferedStream bis = new BufferedStream(stream);
SystemUtils.ReadInput(bis, matrixX, 0, matrixX.Length);
SystemUtils.ReadInput(bis, matrixY, 0, matrixY.Length);
SystemUtils.ReadInput(bis, maskArray, 0, maskArray.Length);
SystemUtils.ReadInput(bis, formatInformationX2, 0, formatInformationX2.Length);
SystemUtils.ReadInput(bis, formatInformationY2, 0, formatInformationY2.Length);
SystemUtils.ReadInput(bis, rsEccCodewords, 0, rsEccCodewords.Length);
SystemUtils.ReadInput(bis, rsBlockOrderTemp, 0, rsBlockOrderTemp.Length);
bis.Close();
//stream.Close();
reader.Close();
/*
* fis.Close();
*/
}
catch (Exception e)
{
SystemUtils.WriteStackTrace(e, Console.Error);
throw e;
}
sbyte rsBlockOrderLength = 1;
for (byte i = 1; i < 128; i++)
{
if (rsBlockOrderTemp[i] == 0)
{
rsBlockOrderLength = (sbyte)i;
break;
}
}
sbyte[] rsBlockOrder = new sbyte[rsBlockOrderLength];
Array.Copy(rsBlockOrderTemp, 0, rsBlockOrder, 0, (byte)rsBlockOrderLength);
sbyte[] formatInformationX1 = new sbyte[] { 0, 1, 2, 3, 4, 5, 7, 8, 8, 8, 8, 8, 8, 8, 8 };
sbyte[] formatInformationY1 = new sbyte[] { 8, 8, 8, 8, 8, 8, 8, 8, 7, 5, 4, 3, 2, 1, 0 };
int maxDataCodewords = maxDataBits >> 3;
/* -- read frame data -- */
int modules1Side = 4 * qrcodeVersion + 17;
int matrixTotalBits = modules1Side * modules1Side;
sbyte[] frameData = new sbyte[matrixTotalBits + modules1Side];
try
{
String filename = QRCODE_DATA_PATH + "/qrvfr" + System.Convert.ToString(qrcodeVersion) + ".dat";
StreamReader reader = new StreamReader(filename);
BufferedStream bis = new BufferedStream(reader.BaseStream);
//String fileName = DATA_PATH + "." + "qrvfr" + Convert.ToString(qrcodeVersion) + ".dat";
//MemoryStream memoryStream = new MemoryStream(Resources.GetResource(fileName));
//Stream stream = GetEmbeddedFile(fileName);
//BufferedStream bis = new BufferedStream(stream);
SystemUtils.ReadInput(bis, frameData, 0, frameData.Length);
bis.Close();
//stream.Close();
reader.Close();
//fis.Close();
}
catch (Exception e)
{
SystemUtils.WriteStackTrace(e, Console.Error);
}
/* --- set terminator */
if (totalDataBits <= maxDataBits - 4)
{
dataValue[dataCounter] = 0;
dataBits[dataCounter] = 4;
}
else
{
if (totalDataBits < maxDataBits)
{
dataValue[dataCounter] = 0;
dataBits[dataCounter] = (sbyte)(maxDataBits - totalDataBits);
}
else
{
if (totalDataBits > maxDataBits)
{
System.Console.Out.WriteLine("overflow");
}
}
}
sbyte[] dataCodewords = DivideDataBy8Bits(dataValue, dataBits, maxDataCodewords);
sbyte[] codewords = CalculateRSECC(dataCodewords, rsEccCodewords[0], rsBlockOrder, maxDataCodewords, maxCodewords);
/* ---- flash matrix */
sbyte[][] matrixContent = new sbyte[modules1Side][];
for (int i2 = 0; i2 < modules1Side; i2++)
{
matrixContent[i2] = new sbyte[modules1Side];
}
for (int i = 0; i < modules1Side; i++)
{
for (int j = 0; j < modules1Side; j++)
{
matrixContent[j][i] = 0;
}
}
/* --- attach data */
for (int i = 0; i < maxCodewords; i++)
{
sbyte codeword_i = codewords[i];
for (int j = 7; j >= 0; j--)
{
int codewordBitsNumber = (i * 8) + j;
matrixContent[matrixX[codewordBitsNumber] & 0xFF][matrixY[codewordBitsNumber] & 0xFF] = (sbyte)((255 * (codeword_i & 1)) ^ maskArray[codewordBitsNumber]);
codeword_i = (sbyte)(SystemUtils.URShift((codeword_i & 0xFF), 1));
}
}
for (int matrixRemain = matrixRemainBit[qrcodeVersion]; matrixRemain > 0; matrixRemain--)
{
int remainBitTemp = matrixRemain + (maxCodewords * 8) - 1;
matrixContent[matrixX[remainBitTemp] & 0xFF][matrixY[remainBitTemp] & 0xFF] = (sbyte)(255 ^ maskArray[remainBitTemp]);
}
/* --- mask select --- */
sbyte maskNumber = SelectMask(matrixContent, matrixRemainBit[qrcodeVersion] + maxCodewords * 8);
sbyte maskContent = (sbyte)(1 << maskNumber);
/* --- format information --- */
sbyte formatInformationValue = (sbyte)(ec << 3 | (byte)maskNumber);
String[] formatInformationArray = new String[] { "101010000010010", "101000100100101", "101111001111100", "101101101001011", "100010111111001", "100000011001110", "100111110010111", "100101010100000", "111011111000100", "111001011110011", "111110110101010", "111100010011101", "110011000101111", "110001100011000", "110110001000001", "110100101110110", "001011010001001", "001001110111110", "001110011100111", "001100111010000", "000011101100010", "000001001010101", "000110100001100", "000100000111011", "011010101011111", "011000001101000", "011111100110001", "011101000000110", "010010010110100", "010000110000011", "010111011011010", "010101111101101" };
for (int i = 0; i < 15; i++)
{
sbyte content = (sbyte)System.SByte.Parse(formatInformationArray[formatInformationValue].Substring(i, (i + 1) - (i)));
matrixContent[formatInformationX1[i] & 0xFF][formatInformationY1[i] & 0xFF] = (sbyte)(content * 255);
matrixContent[formatInformationX2[i] & 0xFF][formatInformationY2[i] & 0xFF] = (sbyte)(content * 255);
}
bool[][] out_Renamed = new bool[modules1Side][];
for (int i3 = 0; i3 < modules1Side; i3++)
{
out_Renamed[i3] = new bool[modules1Side];
}
int c = 0;
for (int i = 0; i < modules1Side; i++)
{
for (int j = 0; j < modules1Side; j++)
{
if ((matrixContent[j][i] & maskContent) != 0 || frameData[c] == (char)49)
{
out_Renamed[j][i] = true;
}
else
{
out_Renamed[j][i] = false;
}
c++;
}
c++;
}
return(out_Renamed);
}
