private void ZXEncode(string content, int option)
{
System.String encoding = QRCodeConstantVariable.DefaultEncoding;
ErrorCorrectionLevelInternal m_EcLevelInternal = ErrorCorrectionLevelInternal.H;
QRCodeInternal qrCodeInternal = new QRCodeInternal();
// Step 1: Choose the mode (encoding).
Mode mode = EncoderInternal.chooseMode(content, encoding);
// Step 2: Append "bytes" into "dataBits" in appropriate encoding.
BitVector dataBits = new BitVector();
EncoderInternal.appendBytes(content, mode, dataBits, encoding);
// Step 3: Initialize QR code that can contain "dataBits".
int numInputBytes = dataBits.sizeInBytes();
EncoderInternal.initQRCode(numInputBytes, m_EcLevelInternal, mode, qrCodeInternal);
// Step 4: Build another bit vector that contains header and data.
BitVector headerAndDataBits = new BitVector();
// Step 4.5: Append ECI message if applicable
if (mode == Mode.BYTE && !QRCodeConstantVariable.DefaultEncoding.Equals(encoding))
{
CharacterSetECI eci = CharacterSetECI.getCharacterSetECIByName(encoding);
if (eci != null)
{
EncoderInternal.appendECI(eci, headerAndDataBits);
}
}
EncoderInternal.appendModeInfo(mode, headerAndDataBits);
int numLetters = mode.Equals(Mode.BYTE)?dataBits.sizeInBytes():content.Length;
EncoderInternal.appendLengthInfo(numLetters, qrCodeInternal.Version, mode, headerAndDataBits);
headerAndDataBits.appendBitVector(dataBits);
// Step 5: Terminate the bits properly.
EncoderInternal.terminateBits(qrCodeInternal.NumDataBytes, headerAndDataBits);
// Step 6: Interleave data bits with error correction code.
BitVector finalBits = new BitVector();
EncoderInternal.interleaveWithECBytes(headerAndDataBits, qrCodeInternal.NumTotalBytes, qrCodeInternal.NumDataBytes, qrCodeInternal.NumRSBlocks, finalBits);
if (option == 3)
{
return;
}
// Step 7: Choose the mask pattern and set to "QRCodeInternal".
ByteMatrix matrix = new ByteMatrix(qrCodeInternal.MatrixWidth, qrCodeInternal.MatrixWidth);
qrCodeInternal.MaskPattern = EncoderInternal.chooseMaskPattern(finalBits, qrCodeInternal.EcLevelInternal, qrCodeInternal.Version, matrix);
// Step 8. Build the matrix and set it to "QRCodeInternal".
MatrixUtil.buildMatrix(finalBits, qrCodeInternal.EcLevelInternal, qrCodeInternal.Version, qrCodeInternal.MaskPattern, matrix);
qrCodeInternal.Matrix = matrix;
}
/// <summary> Append length info. On success, store the result in "bits".</summary>
internal static void appendLengthInfo(int numLetters, int version, Mode mode, BitVector bits)
{
int numBits = mode.getCharacterCountBits(Version.getVersionForNumber(version));
if (numLetters > ((1 << numBits) - 1))
{
throw new WriterException(numLetters + "is bigger than" + ((1 << numBits) - 1));
}
bits.appendBits(numLetters, numBits);
}
/// <summary>
/// Combine Gma.QrCodeNet.Encoding input recognition method and version control method
/// with legacy code. To create expected answer.
/// This is base on assume Gma.QrCodeNet.Encoding input recognition and version control sometime
/// give different result as legacy code.
/// </summary>
/// <param name="content"></param>
/// <returns></returns>
internal static BitVector DataEncodeUsingReferenceImplementation(string content, ErrorCorrectionLevel ecLevel, out QRCodeInternal qrInternal)
{
if (string.IsNullOrEmpty(content))
{
throw new ArgumentException("input string content can not be null or empty");
}
//Choose mode
RecognitionStruct recognitionResult = InputRecognise.Recognise(content);
string encodingName = recognitionResult.EncodingName;
Mode mode = ConvertMode(recognitionResult.Mode);
//append byte to databits
BitVector dataBits = new BitVector();
EncoderInternal.appendBytes(content, mode, dataBits, encodingName);
int dataBitsLength = dataBits.size();
VersionControlStruct vcStruct =
VersionControl.InitialSetup(dataBitsLength, recognitionResult.Mode, ecLevel, recognitionResult.EncodingName);
//ECI
BitVector headerAndDataBits = new BitVector();
string defaultByteMode = "iso-8859-1";
if (mode == Mode.BYTE && !defaultByteMode.Equals(encodingName))
{
CharacterSetECI eci = CharacterSetECI.getCharacterSetECIByName(encodingName);
if (eci != null)
{
EncoderInternal.appendECI(eci, headerAndDataBits);
}
}
//Mode
EncoderInternal.appendModeInfo(mode, headerAndDataBits);
//Char info
int numLetters = mode.Equals(Mode.BYTE)?dataBits.sizeInBytes():content.Length;
EncoderInternal.appendLengthInfo(numLetters, vcStruct.VersionDetail.Version, mode, headerAndDataBits);
//Combine with dataBits
headerAndDataBits.appendBitVector(dataBits);
// Terminate the bits properly.
EncoderInternal.terminateBits(vcStruct.VersionDetail.NumDataBytes, headerAndDataBits);
qrInternal = new QRCodeInternal();
qrInternal.Version = vcStruct.VersionDetail.Version;
qrInternal.MatrixWidth = vcStruct.VersionDetail.MatrixWidth;
qrInternal.EcLevelInternal = ErrorCorrectionLevelConverter.ToInternal(ecLevel);
qrInternal.NumTotalBytes = vcStruct.VersionDetail.NumTotalBytes;
qrInternal.NumDataBytes = vcStruct.VersionDetail.NumDataBytes;
qrInternal.NumRSBlocks = vcStruct.VersionDetail.NumECBlocks;
return(headerAndDataBits);
}
public QRCodeInternal()
{
mode = null;
m_EcLevelInternal = null;
version = -1;
matrixWidth = -1;
maskPattern = -1;
numTotalBytes = -1;
numDataBytes = -1;
numECBytes = -1;
numRSBlocks = -1;
matrix = null;
}
public QRCode()
{
mode = null;
ecLevel = null;
version = -1;
matrixWidth = -1;
maskPattern = -1;
numTotalBytes = -1;
numDataBytes = -1;
numECBytes = -1;
numRSBlocks = -1;
matrix = null;
}
/// <summary> Append "bytes" in "mode" mode (encoding) into "bits". On success, store the result in "bits".</summary>
internal static void appendBytes(System.String content, Mode mode, BitVector bits, System.String encoding)
{
if (mode.Equals(Mode.NUMERIC))
{
appendNumericBytes(content, bits);
}
else if (mode.Equals(Mode.ALPHANUMERIC))
{
appendAlphanumericBytes(content, bits);
}
else if (mode.Equals(Mode.BYTE))
{
append8BitBytes(content, bits, encoding);
}
else if (mode.Equals(Mode.KANJI))
{
appendKanjiBytes(content, bits);
}
else
{
throw new WriterException("Invalid mode: " + mode);
}
}
internal static void encode(System.String content, ErrorCorrectionLevelInternal m_EcLevelInternal, System.Collections.Hashtable hints, QRCodeInternal qrCodeInternal)
{
System.String encoding = hints == null ? null : (System.String)hints[EncodeHintType.CHARACTER_SET];
if (encoding == null)
{
encoding = DEFAULT_BYTE_MODE_ENCODING;
}
// Step 1: Choose the mode (encoding).
Mode mode = chooseMode(content, encoding);
// Step 2: Append "bytes" into "dataBits" in appropriate encoding.
BitVector dataBits = new BitVector();
appendBytes(content, mode, dataBits, encoding);
// Step 3: Initialize QR code that can contain "dataBits".
int numInputBytes = dataBits.sizeInBytes();
initQRCode(numInputBytes, m_EcLevelInternal, mode, qrCodeInternal);
// Step 4: Build another bit vector that contains header and data.
BitVector headerAndDataBits = new BitVector();
// Step 4.5: Append ECI message if applicable
if (mode == Mode.BYTE && !DEFAULT_BYTE_MODE_ENCODING.Equals(encoding))
{
CharacterSetECI eci = CharacterSetECI.getCharacterSetECIByName(encoding);
if (eci != null)
{
appendECI(eci, headerAndDataBits);
}
}
appendModeInfo(mode, headerAndDataBits);
int numLetters = mode.Equals(Mode.BYTE) ? dataBits.sizeInBytes() : content.Length;
appendLengthInfo(numLetters, qrCodeInternal.Version, mode, headerAndDataBits);
headerAndDataBits.appendBitVector(dataBits);
// Step 5: Terminate the bits properly.
terminateBits(qrCodeInternal.NumDataBytes, headerAndDataBits);
// Step 6: Interleave data bits with error correction code.
BitVector finalBits = new BitVector();
interleaveWithECBytes(headerAndDataBits, qrCodeInternal.NumTotalBytes, qrCodeInternal.NumDataBytes, qrCodeInternal.NumRSBlocks, finalBits);
// Step 7: Choose the mask pattern and set to "QRCodeInternal".
ByteMatrix matrix = new ByteMatrix(qrCodeInternal.MatrixWidth, qrCodeInternal.MatrixWidth);
qrCodeInternal.MaskPattern = chooseMaskPattern(finalBits, qrCodeInternal.EcLevelInternal, qrCodeInternal.Version, matrix);
// Step 8. Build the matrix and set it to "QRCodeInternal".
MatrixUtil.buildMatrix(finalBits, qrCodeInternal.EcLevelInternal, qrCodeInternal.Version, qrCodeInternal.MaskPattern, matrix);
qrCodeInternal.Matrix = matrix;
// Step 9. Make sure we have a valid QR Code.
if (!qrCodeInternal.Valid)
{
throw new WriterException("Invalid QR code: " + qrCodeInternal.ToString());
}
}
/// <summary> Append mode info. On success, store the result in "bits".</summary>
internal static void appendModeInfo(Mode mode, BitVector bits)
{
bits.appendBits(mode.Bits, 4);
}
/// <summary> Initialize "QRCodeInternal" according to "numInputBytes", "m_EcLevelInternal", and "mode". On success,
/// modify "QRCodeInternal".
/// </summary>
internal static void initQRCode(int numInputBytes, ErrorCorrectionLevelInternal m_EcLevelInternal, Mode mode, QRCodeInternal qrCodeInternal)
{
qrCodeInternal.EcLevelInternal = m_EcLevelInternal;
qrCodeInternal.Mode = mode;
// In the following comments, we use numbers of Version 7-H.
for (int versionNum = 1; versionNum <= 40; versionNum++)
{
Version version = Version.getVersionForNumber(versionNum);
// numBytes = 196
int numBytes = version.TotalCodewords;
// getNumECBytes = 130
Version.ECBlocks ecBlocks = version.getECBlocksForLevel(m_EcLevelInternal);
int numEcBytes = ecBlocks.TotalECCodewords;
// getNumRSBlocks = 5
int numRSBlocks = ecBlocks.NumBlocks;
// getNumDataBytes = 196 - 130 = 66
int numDataBytes = numBytes - numEcBytes;
// We want to choose the smallest version which can contain data of "numInputBytes" + some
// extra bits for the header (mode info and length info). The header can be three bytes
// (precisely 4 + 16 bits) at most. Hence we do +3 here.
if (numDataBytes >= numInputBytes + 3)
{
// Yay, we found the proper rs block info!
qrCodeInternal.Version = versionNum;
qrCodeInternal.NumTotalBytes = numBytes;
qrCodeInternal.NumDataBytes = numDataBytes;
qrCodeInternal.NumRSBlocks = numRSBlocks;
// getNumECBytes = 196 - 66 = 130
qrCodeInternal.NumECBytes = numEcBytes;
// matrix width = 21 + 6 * 4 = 45
qrCodeInternal.MatrixWidth = version.DimensionForVersion;
return;
}
}
throw new WriterException("Cannot find proper rs block info (input data too big?)");
}
/// <summary> Append "bytes" in "mode" mode (encoding) into "bits". On success, store the result in "bits".</summary>
internal static void appendBytes(System.String content, Mode mode, BitVector bits, System.String encoding)
{
if (mode.Equals(Mode.NUMERIC))
{
appendNumericBytes(content, bits);
}
else if (mode.Equals(Mode.ALPHANUMERIC))
{
appendAlphanumericBytes(content, bits);
}
else if (mode.Equals(Mode.BYTE))
{
append8BitBytes(content, bits, encoding);
}
else if (mode.Equals(Mode.KANJI))
{
appendKanjiBytes(content, bits);
}
else
{
throw new WriterException("Invalid mode: " + mode);
}
}
/// <summary> Append length info. On success, store the result in "bits".</summary>
internal static void appendLengthInfo(int numLetters, int version, Mode mode, BitVector bits)
{
int numBits = mode.getCharacterCountBits(Version.getVersionForNumber(version));
if (numLetters > ((1 << numBits) - 1))
{
throw new WriterException(numLetters + "is bigger than" + ((1 << numBits) - 1));
}
bits.appendBits(numLetters, numBits);
}
/// <summary> Append mode info. On success, store the result in "bits".</summary>
internal static void appendModeInfo(Mode mode, BitVector bits)
{
bits.appendBits(mode.Bits, 4);
}
/// <summary> Initialize "QRCodeInternal" according to "numInputBytes", "m_EcLevelInternal", and "mode". On success,
/// modify "QRCodeInternal".
/// </summary>
internal static void initQRCode(int numInputBytes, ErrorCorrectionLevelInternal m_EcLevelInternal, Mode mode, QRCodeInternal qrCodeInternal)
{
qrCodeInternal.EcLevelInternal = m_EcLevelInternal;
qrCodeInternal.Mode = mode;
// In the following comments, we use numbers of Version 7-H.
for (int versionNum = 1; versionNum <= 40; versionNum++)
{
Version version = Version.getVersionForNumber(versionNum);
// numBytes = 196
int numBytes = version.TotalCodewords;
// getNumECBytes = 130
Version.ECBlocks ecBlocks = version.getECBlocksForLevel(m_EcLevelInternal);
int numEcBytes = ecBlocks.TotalECCodewords;
// getNumRSBlocks = 5
int numRSBlocks = ecBlocks.NumBlocks;
// getNumDataBytes = 196 - 130 = 66
int numDataBytes = numBytes - numEcBytes;
// We want to choose the smallest version which can contain data of "numInputBytes" + some
// extra bits for the header (mode info and length info). The header can be three bytes
// (precisely 4 + 16 bits) at most. Hence we do +3 here.
if (numDataBytes >= numInputBytes + 3)
{
// Yay, we found the proper rs block info!
qrCodeInternal.Version = versionNum;
qrCodeInternal.NumTotalBytes = numBytes;
qrCodeInternal.NumDataBytes = numDataBytes;
qrCodeInternal.NumRSBlocks = numRSBlocks;
// getNumECBytes = 196 - 66 = 130
qrCodeInternal.NumECBytes = numEcBytes;
// matrix width = 21 + 6 * 4 = 45
qrCodeInternal.MatrixWidth = version.DimensionForVersion;
return ;
}
}
throw new WriterException("Cannot find proper rs block info (input data too big?)");
}
public void setMode(Mode value)
{
mode = value;
}
// Append mode info. On success, store the result in "bits" and return true. On error, return
// false.
static void appendModeInfo(Mode mode, BitVector bits)
{
bits.appendBits(mode.getBits(), 4);
}
internal static DecoderResult decode(sbyte[] bytes, Version version, ErrorCorrectionLevel ecLevel)
{
BitSource bits = new BitSource(bytes);
System.Text.StringBuilder result = new System.Text.StringBuilder(50);
CharacterSetECI currentCharacterSetECI = null;
bool fc1InEffect = false;
System.Collections.ArrayList byteSegments = System.Collections.ArrayList.Synchronized(new System.Collections.ArrayList(1));
Mode mode;
do
{
// While still another segment to read...
if (bits.available() < 4)
{
// OK, assume we're done. Really, a TERMINATOR mode should have been recorded here
mode = Mode.TERMINATOR;
}
else
{
try
{
mode = Mode.forBits(bits.readBits(4)); // mode is encoded by 4 bits
}
catch (System.ArgumentException iae)
{
throw ReaderException.Instance;
}
}
if (!mode.Equals(Mode.TERMINATOR))
{
if (mode.Equals(Mode.FNC1_FIRST_POSITION) || mode.Equals(Mode.FNC1_SECOND_POSITION))
{
// We do little with FNC1 except alter the parsed result a bit according to the spec
fc1InEffect = true;
}
else if (mode.Equals(Mode.STRUCTURED_APPEND))
{
// not really supported; all we do is ignore it
// Read next 8 bits (symbol sequence #) and 8 bits (parity data), then continue
bits.readBits(16);
}
else if (mode.Equals(Mode.ECI))
{
// Count doesn't apply to ECI
int value_Renamed = parseECIValue(bits);
currentCharacterSetECI = CharacterSetECI.getCharacterSetECIByValue(value_Renamed);
if (currentCharacterSetECI == null)
{
throw ReaderException.Instance;
}
}
else
{
// How many characters will follow, encoded in this mode?
int count = bits.readBits(mode.getCharacterCountBits(version));
if (mode.Equals(Mode.NUMERIC))
{
decodeNumericSegment(bits, result, count);
}
else if (mode.Equals(Mode.ALPHANUMERIC))
{
decodeAlphanumericSegment(bits, result, count, fc1InEffect);
}
else if (mode.Equals(Mode.BYTE))
{
decodeByteSegment(bits, result, count, currentCharacterSetECI, byteSegments);
}
else if (mode.Equals(Mode.KANJI))
{
decodeKanjiSegment(bits, result, count);
}
else
{
throw ReaderException.Instance;
}
}
}
}while (!mode.Equals(Mode.TERMINATOR));
return(new DecoderResult(bytes, result.ToString(), (byteSegments.Count == 0)?null:byteSegments, ecLevel));
}