QRCodeEncoder.cs
资源名称:QRCodeLib.rar [点击查看]
上传用户:tjjgrl
上传日期:2019-04-04
资源大小:1010k
文件大小:29k
源码类别:
电子政务应用
开发平台:
C#
- using System;
- using System.Collections.Generic;
- using System.Text;
- using System.Drawing.Imaging;
- using System.Drawing;
- using System.IO;
- using System.Resources;
- using ThoughtWorks.QRCode.Properties;
- using SystemUtils = ThoughtWorks.QRCode.Codec.Util.SystemUtils;
- using QRCodeUtility = ThoughtWorks.QRCode.Codec.Util.QRCodeUtility;
- namespace ThoughtWorks.QRCode.Codec
- {
- public class QRCodeEncoder
- {
- public enum ENCODE_MODE {ALPHA_NUMERIC,NUMERIC,BYTE};
- public enum ERROR_CORRECTION {L, M, Q, H};
- //internal static String DATA_PATH = "qrcode_data";
- //internal static String QRCODE_DATA_PATH = String.Empty;
- internal ERROR_CORRECTION qrcodeErrorCorrect;
- internal ENCODE_MODE qrcodeEncodeMode;
- internal int qrcodeVersion;
- internal int qrcodeStructureappendN;
- internal int qrcodeStructureappendM;
- internal int qrcodeStructureappendParity;
- internal Color qrCodeBackgroundColor;
- internal Color qrCodeForegroundColor;
- internal int qrCodeScale;
- internal String qrcodeStructureappendOriginaldata;
- /// <summary>
- /// Constructor
- /// </summary>
- public QRCodeEncoder()
- {
- qrcodeErrorCorrect = ERROR_CORRECTION.M;
- qrcodeEncodeMode = ENCODE_MODE.BYTE;
- qrcodeVersion = 7;
- qrcodeStructureappendN = 0;
- qrcodeStructureappendM = 0;
- qrcodeStructureappendParity = 0;
- qrcodeStructureappendOriginaldata = "";
- qrCodeScale = 4;
- qrCodeBackgroundColor = Color.White;
- qrCodeForegroundColor = Color.Black;
- //QRCODE_DATA_PATH = Environment.CurrentDirectory + @"" + DATA_PATH;
- }
- virtual public ERROR_CORRECTION QRCodeErrorCorrect
- {
- get
- {
- return qrcodeErrorCorrect;
- }
- set
- {
- qrcodeErrorCorrect = value;
- }
- }
- virtual public int QRCodeVersion
- {
- get
- {
- return qrcodeVersion;
- }
- set
- {
- if (value >= 0 && value <= 40)
- {
- qrcodeVersion = value;
- }
- }
- }
- virtual public ENCODE_MODE QRCodeEncodeMode
- {
- get
- {
- return qrcodeEncodeMode;
- }
- set
- {
- qrcodeEncodeMode = value;
- }
- }
- virtual public int QRCodeScale
- {
- get
- {
- return qrCodeScale;
- }
- set
- {
- qrCodeScale = value;
- }
- }
- virtual public Color QRCodeBackgroundColor
- {
- get
- {
- return qrCodeBackgroundColor;
- }
- set
- {
- qrCodeBackgroundColor = value;
- }
- }
- virtual public Color QRCodeForegroundColor
- {
- get
- {
- return qrCodeForegroundColor;
- }
- set
- {
- qrCodeForegroundColor = value;
- }
- }
- public virtual void setStructureappend(int m, int n, int p)
- {
- if (n > 1 && n <= 16 && m > 0 && m <= 16 && p >= 0 && p <= 255)
- {
- qrcodeStructureappendM = m;
- qrcodeStructureappendN = n;
- qrcodeStructureappendParity = p;
- }
- }
- public virtual int calStructureappendParity(sbyte[] originaldata)
- {
- int originaldataLength;
- int i = 0;
- int structureappendParity = 0;
- originaldataLength = originaldata.Length;
- if (originaldataLength > 1)
- {
- structureappendParity = 0;
- while (i < originaldataLength)
- {
- structureappendParity = (structureappendParity ^ (originaldata[i] & 0xFF));
- i++;
- }
- }
- else
- {
- structureappendParity = - 1;
- }
- return structureappendParity;
- }
- 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 = "qrv" + Convert.ToString(qrcodeVersion) + "_" + Convert.ToString(ec);
- MemoryStream memoryStream = new MemoryStream(Resources.GetResource(fileName));
- BufferedStream bis = new BufferedStream(memoryStream);
- 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();
- memoryStream.Close();
- // reader.Close();
- /*
- fis.Close();
- */
- }
- catch (Exception e)
- {
- SystemUtils.WriteStackTrace(e, Console.Error);
- }
- sbyte rsBlockOrderLength = 1;
- for (sbyte i = 1; i < 128; i++)
- {
- if (rsBlockOrderTemp[i] == 0)
- {
- rsBlockOrderLength = 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);
- String fileName = "qrvfr" + Convert.ToString(qrcodeVersion);
- MemoryStream memoryStream = new MemoryStream(Resources.GetResource(fileName));
- BufferedStream bis = new BufferedStream(memoryStream);
- SystemUtils.ReadInput(bis, frameData, 0, frameData.Length);
- bis.Close();
- memoryStream.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 | 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;
- }
- private static sbyte[] divideDataBy8Bits(int[] data, sbyte[] bits, int maxDataCodewords)
- {
- /* divide Data By 8bit and add padding char */
- int l1 = bits.Length;
- int l2;
- int codewordsCounter = 0;
- int remainingBits = 8;
- int max = 0;
- int buffer;
- int bufferBits;
- bool flag;
- if (l1 != data.Length)
- {
- }
- for (int i = 0; i < l1; i++)
- {
- max += bits[i];
- }
- l2 = (max - 1) / 8 + 1;
- sbyte[] codewords = new sbyte[maxDataCodewords];
- for (int i = 0; i < l2; i++)
- {
- codewords[i] = 0;
- }
- for (int i = 0; i < l1; i++)
- {
- buffer = data[i];
- bufferBits = bits[i];
- flag = true;
- if (bufferBits == 0)
- {
- break;
- }
- while (flag)
- {
- if (remainingBits > bufferBits)
- {
- codewords[codewordsCounter] = (sbyte) ((codewords[codewordsCounter] << bufferBits) | buffer);
- remainingBits -= bufferBits;
- flag = false;
- }
- else
- {
- bufferBits -= remainingBits;
- codewords[codewordsCounter] = (sbyte) ((codewords[codewordsCounter] << remainingBits) | (buffer >> bufferBits));
- if (bufferBits == 0)
- {
- flag = false;
- }
- else
- {
- buffer = (buffer & ((1 << bufferBits) - 1));
- flag = true;
- }
- codewordsCounter++;
- remainingBits = 8;
- }
- }
- }
- if (remainingBits != 8)
- {
- codewords[codewordsCounter] = (sbyte) (codewords[codewordsCounter] << remainingBits);
- }
- else
- {
- codewordsCounter--;
- }
- if (codewordsCounter < maxDataCodewords - 1)
- {
- flag = true;
- while (codewordsCounter < maxDataCodewords - 1)
- {
- codewordsCounter++;
- if (flag)
- {
- codewords[codewordsCounter] = - 20;
- }
- else
- {
- codewords[codewordsCounter] = 17;
- }
- flag = !(flag);
- }
- }
- return codewords;
- }
- 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);
- String fileName = "rsc" + rsEccCodewords.ToString();
- MemoryStream memoryStream = new MemoryStream(Resources.GetResource(fileName));
- BufferedStream bis = new BufferedStream(memoryStream);
- for (int i = 0; i < 256; i++)
- {
- SystemUtils.ReadInput(bis, rsCalTableArray[i], 0, rsCalTableArray[i].Length);
- }
- bis.Close();
- //reader.Close();
- memoryStream.Close();
- }
- catch (Exception e)
- {
- SystemUtils.WriteStackTrace(e, Console.Error);
- }
- /* ---- 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[] calculateByteArrayBits(sbyte[] xa, sbyte[] xb, String ind)
- {
- int ll;
- int ls;
- sbyte[] res;
- sbyte[] xl;
- sbyte[] xs;
- if (xa.Length > xb.Length)
- {
- xl = new sbyte[xa.Length];
- xa.CopyTo(xl, 0);
- xs = new sbyte[xb.Length];
- xb.CopyTo(xs, 0);
- }
- else
- {
- xl = new sbyte[xb.Length];
- xb.CopyTo(xl, 0);
- xs = new sbyte[xa.Length];
- xa.CopyTo(xs, 0);
- }
- ll = xl.Length;
- ls = xs.Length;
- res = new sbyte[ll];
- for (int i = 0; i < ll; i++)
- {
- if (i < ls)
- {
- if ((System.Object) ind == (System.Object) "xor")
- {
- res[i] = (sbyte) (xl[i] ^ xs[i]);
- }
- else
- {
- res[i] = (sbyte) (xl[i] | xs[i]);
- }
- }
- else
- {
- res[i] = xl[i];
- }
- }
- 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;
- }
- /// <summary>
- /// Encode the content using the encoding scheme given
- /// </summary>
- /// <param name="content"></param>
- /// <param name="encoding"></param>
- /// <returns></returns>
- public virtual Bitmap Encode(String content, Encoding encoding)
- {
- bool[][] matrix = calQrcode(encoding.GetBytes(content));
- SolidBrush brush = new SolidBrush(qrCodeBackgroundColor);
- Bitmap image = new Bitmap( (matrix.Length * qrCodeScale) + 1, (matrix.Length * qrCodeScale) + 1);
- Graphics g = Graphics.FromImage(image);
- g.FillRectangle(brush, new Rectangle(0, 0, image.Width, image.Height));
- brush.Color = qrCodeForegroundColor ;
- for (int i = 0; i < matrix.Length; i++)
- {
- for (int j = 0; j < matrix.Length; j++)
- {
- if (matrix[j][i])
- {
- g.FillRectangle(brush, j * qrCodeScale, i * qrCodeScale, qrCodeScale, qrCodeScale);
- }
- }
- }
- return image;
- }
- /// <summary>
- /// Encode the content using the encoding scheme given
- /// </summary>
- /// <param name="content"></param>
- /// <param name="encoding"></param>
- /// <returns></returns>
- public virtual Bitmap Encode(String content)
- {
- if (QRCodeUtility.IsUniCode(content))
- {
- return Encode(content, Encoding.Unicode);
- }
- else
- {
- return Encode(content, Encoding.ASCII);
- }
- }
- }
- }