private static void appendECI(CharacterSetECI eci, BitArray bits)
{
bits.appendBits(Mode.ECI.Bits, 4);
// This is correct for values up to 127, which is all we need now.
bits.appendBits(eci.Value, 8);
}
private static bool decodeByteSegment(BitSource bits,
StringBuilder result,
int count,
CharacterSetECI currentCharacterSetECI,
IList <byte[]> byteSegments,
IDictionary <DecodeHintType, object> hints)
{
// Don't crash trying to read more bits than we have available.
if (count << 3 > bits.available())
{
return(false);
}
byte[] readBytes = new byte[count];
for (int i = 0; i < count; i++)
{
readBytes[i] = (byte)bits.readBits(8);
}
String encoding;
if (currentCharacterSetECI == null)
{
// The spec isn't clear on this mode; see
// section 6.4.5: t does not say which encoding to assuming
// upon decoding. I have seen ISO-8859-1 used as well as
// Shift_JIS -- without anything like an ECI designator to
// give a hint.
encoding = StringUtils.guessEncoding(readBytes, hints);
}
else
{
encoding = currentCharacterSetECI.EncodingName;
}
try
{
result.Append(Encoding.GetEncoding(encoding).GetString(readBytes, 0, readBytes.Length));
}
#if WindowsCE
catch (PlatformNotSupportedException)
{
// WindowsCE doesn't support all encodings. But it is device depended.
// So we try here the some different ones
if (encoding == "ISO-8859-1")
{
result.Append(Encoding.GetEncoding(1252).GetString(readBytes, 0, readBytes.Length));
}
else
{
result.Append(Encoding.GetEncoding("UTF-8").GetString(readBytes, 0, readBytes.Length));
}
}
#endif
catch (Exception)
{
return(false);
}
byteSegments.Add(readBytes);
return(true);
}
private static void addCharacterSet(int value_Renamed, System.String encodingName)
{
CharacterSetECI eci = new CharacterSetECI(value_Renamed, encodingName);
VALUE_TO_ECI[(System.Int32)value_Renamed] = eci; // can't use valueOf
NAME_TO_ECI[encodingName] = eci;
}
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;
}
private static bool DecodeByteSegment(BitSource bits,
StringBuilder result,
int count,
CharacterSetECI currentCharacterSetECI,
IList <byte[]> byteSegments)
{
// Don't crash trying to read more bits than we have available.
if (count << 3 > bits.Available())
{
return(false);
}
byte[] readBytes = new byte[count];
for (int i = 0; i < count; i++)
{
readBytes[i] = (byte)bits.ReadBits(8);
}
String encoding;
if (currentCharacterSetECI == null)
{
// The spec isn't clear on this mode; see
// section 6.4.5: t does not say which encoding to assuming
// upon decoding. I have seen ISO-8859-1 used as well as
// Shift_JIS -- without anything like an ECI designator to
// give a hint.
encoding = StringUtils.GuessEncoding(readBytes);
}
else
{
encoding = currentCharacterSetECI.EncodingName;
}
try
{
result.Append(Encoding.GetEncoding(encoding).GetString(readBytes, 0, readBytes.Length));
}
catch (ArgumentException)
{
try
{
// Silverlight only supports a limited number of character sets, trying fallback to UTF-8
result.Append(Encoding.GetEncoding("UTF-8").GetString(readBytes, 0, readBytes.Length));
}
catch (Exception)
{
return(false);
}
}
catch (Exception)
{
return(false);
}
byteSegments.Add(readBytes);
return(true);
}
private static void addCharacterSet(int value_Renamed, System.String[] encodingNames)
{
CharacterSetECI eci = new CharacterSetECI(value_Renamed, encodingNames[0]);
VALUE_TO_ECI[(System.Int32)value_Renamed] = eci; // can't use valueOf
for (int i = 0; i < encodingNames.Length; i++)
{
NAME_TO_ECI[encodingNames[i]] = eci;
}
}
/// <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);
}
/// <param name="value">ECI value
/// </param>
/// <returns> {@link ECI} representing ECI of given value, or null if it is legal but unsupported
/// </returns>
/// <throws> IllegalArgumentException if ECI value is invalid </throws>
internal static ECI getECIByValue(int value_Renamed)
{
if (value_Renamed < 0 || value_Renamed > 999999)
{
throw new System.ArgumentException("Bad ECI value: " + value_Renamed);
}
if (value_Renamed < 900)
{
// Character set ECIs use 000000 - 000899
return(CharacterSetECI.getCharacterSetECIByValue(value_Renamed));
}
return(null);
}
public bool AppendECI(int value)
{
encodeCurrentBytesIfAny();
CharacterSetECI characterSetECI = CharacterSetECI.getCharacterSetECIByValue(value);
if (characterSetECI == null)
{
return(false);
//throw FormatException.getFormatInstance(new RuntimeException("Unsupported ECI value " + value));
}
currentCharset = CharacterSetECI.getEncoding(characterSetECI);
return(true);
}
/// <param name="val">ECI value</param>
/// <returns><see cref="ECI"/> representing ECI of given value, or null if it is legal but unsupported</returns>
/// <throws>ArgumentException if ECI value is invalid </throws>
public static ECI getECIByValue(int val)
{
if (val < 0 || val > 999999)
{
throw new System.ArgumentException("Bad ECI value: " + val);
}
if (val < 900)
{
// Character set ECIs use 000000 - 000899
return(CharacterSetECI.getCharacterSetECIByValue(val));
}
return(null);
}
private void button_Click(object sender, RoutedEventArgs e)
{
var retangulo = new iTextSharp.text.Rectangle(765, 765);
var documento = new Document(retangulo);
var writer = PdfWriter.GetInstance(documento, new FileStream(@"c:\teste\teste.pdf", FileMode.Create));
documento.Open();
var imagemDoTopo = iTextSharp.text.Image.GetInstance(@"c:\teste\imagem.png");
imagemDoTopo.SetAbsolutePosition(0, 100);
documento.Add(imagemDoTopo);
PdfContentByte cb = writer.DirectContent;
BaseFont outraFonte = BaseFont.CreateFont(BaseFont.COURIER, BaseFont.CP1252, false, false);
cb.BeginText();
cb.SetFontAndSize(outraFonte, 12);
cb.SetColorFill(new BaseColor(51, 51, 51));
cb.ShowTextAligned(PdfContentByte.ALIGN_LEFT, "TESTE", 50, 35, 50);
cb.EndText();
var paramQR = new Dictionary <EncodeHintType, object>();
paramQR.Add(EncodeHintType.CHARACTER_SET, CharacterSetECI.GetCharacterSetECIByName("UTF-8"));
BarcodeQRCode qrCodigo = new BarcodeQRCode("https://www.youtube.com/channel/UCcOGfx3w8BRxkfSyZFsW5fQ",
150, 150, paramQR);
iTextSharp.text.Image imgBarCode = qrCodigo.GetImage();
imgBarCode.SetAbsolutePosition(200, 200);
documento.Add(imgBarCode);
BarcodeEAN codeEAN13 = null;
codeEAN13 = new BarcodeEAN();
codeEAN13.CodeType = Barcode.EAN13;
codeEAN13.ChecksumText = true;
codeEAN13.GenerateChecksum = true;
codeEAN13.BarHeight = 12;
codeEAN13.Code = "1234567890123";
imgBarCode = codeEAN13.CreateImageWithBarcode(cb, null, null);
imgBarCode.SetAbsolutePosition(150, 150);
imgBarCode.Alignment = iTextSharp.text.Image.TEXTWRAP;
documento.Add(imgBarCode);
documento.Close();
}
private static bool decodeByteSegment(BitSource bits,
StringBuilder result,
int count,
CharacterSetECI currentCharacterSetECI,
IList byteSegments,
Hashtable hints)
{
// Don't crash trying to read more bits than we have available.
if (count << 3 > bits.available())
{
return(false);
}
byte[] readBytes = new byte[count];
for (int i = 0; i < count; i++)
{
readBytes[i] = (byte)bits.readBits(8);
}
String encoding;
if (currentCharacterSetECI == null)
{
// The spec isn't clear on this mode; see
// section 6.4.5: t does not say which encoding to assuming
// upon decoding. I have seen ISO-8859-1 used as well as
// Shift_JIS -- without anything like an ECI designator to
// give a hint.
encoding = StringUtils.guessEncoding(readBytes, hints);
}
else
{
encoding = currentCharacterSetECI.EncodingName;
}
try
{
result.Append(Encoding.UTF8.GetChars(readBytes, 0, readBytes.Length));
}
catch (Exception)
{
return(false);
}
byteSegments.Add(readBytes);
return(true);
}
static MinimalEncoder()
{
var names = new[]
{
"ISO-8859-2",
"ISO-8859-3",
"ISO-8859-4",
"ISO-8859-5",
"ISO-8859-6",
"ISO-8859-7",
"ISO-8859-8",
"ISO-8859-9",
"ISO-8859-10",
"ISO-8859-11",
"ISO-8859-13",
"ISO-8859-14",
"ISO-8859-15",
"ISO-8859-16",
"windows-1250",
"windows-1251",
"windows-1252",
"windows-1253",
"windows-1254",
"windows-1255",
"windows-1256",
"windows-1257",
"windows-1258",
"Shift_JIS"
};
foreach (String name in names)
{
if (CharacterSetECI.getCharacterSetECIByName(name) != null)
{
try
{
ENCODERS.Add(Clone(Encoding.GetEncoding(name)));
}
catch (Exception)
{
// continue
}
}
}
}
private static bool decodeByteSegment(BitSource bits,
StringBuilder result,
int count,
CharacterSetECI currentCharacterSetECI,
IList <byte[]> byteSegments,
IDictionary <DecodeHintType, object> hints)
{
// Don't crash trying to read more bits than we have available.
if (count << 3 > bits.available())
{
return(false);
}
byte[] readBytes = new byte[count];
for (int i = 0; i < count; i++)
{
readBytes[i] = (byte)bits.readBits(8);
}
Encoding encoding;
if (currentCharacterSetECI == null)
{
// The spec isn't clear on this mode; see
// section 6.4.5: t does not say which encoding to assuming
// upon decoding. I have seen ISO-8859-1 used as well as
// Shift_JIS -- without anything like an ECI designator to
// give a hint.
encoding = StringUtils.guessCharset(readBytes, hints);
}
else
{
encoding = CharacterSetECI.getEncoding(currentCharacterSetECI.EncodingName);
}
if (encoding == null)
{
encoding = StringUtils.PLATFORM_DEFAULT_ENCODING_T;
}
result.Append(encoding.GetString(readBytes, 0, readBytes.Length));
byteSegments.Add(readBytes);
return(true);
}
/// <summary>
/// appends the bits
/// </summary>
/// <param name="bits"></param>
public void getBits(BitArray bits)
{
bits.appendBits(mode.Bits, 4);
if (characterLength > 0)
{
int length = CharacterCountIndicator;
bits.appendBits(length, mode.getCharacterCountBits(resultList.version));
}
if (mode == Mode.ECI)
{
bits.appendBits(CharacterSetECI.getCharacterSetECI(encoder.encoders[charsetEncoderIndex]).Value, 8);
}
else if (characterLength > 0)
{
// append data
Encoder.appendBytes(encoder.stringToEncode.Substring(fromPosition, characterLength), mode, bits,
encoder.encoders[charsetEncoderIndex]);
}
}
internal static DecoderResult decode(int[] codewords, String ecLevel)
{
var result = new StringBuilder(codewords.Length * 2);
// Get compaction mode
int codeIndex = 1;
int code = codewords[codeIndex++];
var resultMetadata = new PDF417ResultMetadata();
Encoding encoding = null;
while (codeIndex < codewords[0])
{
switch (code)
{
case TEXT_COMPACTION_MODE_LATCH:
codeIndex = textCompaction(codewords, codeIndex, result);
break;
case BYTE_COMPACTION_MODE_LATCH:
case BYTE_COMPACTION_MODE_LATCH_6:
codeIndex = byteCompaction(code, codewords, encoding ?? (encoding = getEncoding(PDF417HighLevelEncoder.DEFAULT_ENCODING_NAME)), codeIndex, result);
break;
case MODE_SHIFT_TO_BYTE_COMPACTION_MODE:
result.Append((char)codewords[codeIndex++]);
break;
case NUMERIC_COMPACTION_MODE_LATCH:
codeIndex = numericCompaction(codewords, codeIndex, result);
break;
case ECI_CHARSET:
var charsetECI = CharacterSetECI.getCharacterSetECIByValue(codewords[codeIndex++]);
encoding = getEncoding(charsetECI.EncodingName);
break;
case ECI_GENERAL_PURPOSE:
// Can't do anything with generic ECI; skip its 2 characters
codeIndex += 2;
break;
case ECI_USER_DEFINED:
// Can't do anything with user ECI; skip its 1 character
codeIndex++;
break;
case BEGIN_MACRO_PDF417_CONTROL_BLOCK:
codeIndex = decodeMacroBlock(codewords, codeIndex, resultMetadata);
break;
case BEGIN_MACRO_PDF417_OPTIONAL_FIELD:
case MACRO_PDF417_TERMINATOR:
// Should not see these outside a macro block
return(null);
default:
// Default to text compaction. During testing numerous barcodes
// appeared to be missing the starting mode. In these cases defaulting
// to text compaction seems to work.
codeIndex--;
codeIndex = textCompaction(codewords, codeIndex, result);
break;
}
if (codeIndex < 0)
{
return(null);
}
if (codeIndex < codewords.Length)
{
code = codewords[codeIndex++];
}
else
{
return(null);
}
}
if (result.Length == 0)
{
return(null);
}
var decoderResult = new DecoderResult(null, result.ToString(), null, ecLevel);
decoderResult.Other = resultMetadata;
return(decoderResult);
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: static com.google.zxing.common.DecoderResult decode(byte[] bytes, Version version, ErrorCorrectionLevel ecLevel, java.util.Map<com.google.zxing.DecodeHintType,?> hints) throws com.google.zxing.FormatException
internal static DecoderResult decode(sbyte[] bytes, Version version, ErrorCorrectionLevel ecLevel, IDictionary <DecodeHintType, object> hints)
{
BitSource bits = new BitSource(bytes);
StringBuilder result = new StringBuilder(50);
IList <sbyte[]> byteSegments = new List <sbyte[]>(1);
try
{
CharacterSetECI currentCharacterSetECI = null;
bool fc1InEffect = false;
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
{
mode = Mode.forBits(bits.readBits(4)); // mode is encoded by 4 bits
}
if (mode != Mode.TERMINATOR)
{
if (mode == Mode.FNC1_FIRST_POSITION || mode == 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 == Mode.STRUCTURED_APPEND)
{
if (bits.available() < 16)
{
throw FormatException.FormatInstance;
}
// 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 == Mode.ECI)
{
// Count doesn't apply to ECI
int value = parseECIValue(bits);
currentCharacterSetECI = CharacterSetECI.getCharacterSetECIByValue(value);
if (currentCharacterSetECI == null)
{
throw FormatException.FormatInstance;
}
}
else
{
// First handle Hanzi mode which does not start with character count
if (mode == Mode.HANZI)
{
//chinese mode contains a sub set indicator right after mode indicator
int subset = bits.readBits(4);
int countHanzi = bits.readBits(mode.getCharacterCountBits(version));
if (subset == GB2312_SUBSET)
{
decodeHanziSegment(bits, result, countHanzi);
}
}
else
{
// "Normal" QR code modes:
// How many characters will follow, encoded in this mode?
int count = bits.readBits(mode.getCharacterCountBits(version));
if (mode == Mode.NUMERIC)
{
decodeNumericSegment(bits, result, count);
}
else if (mode == Mode.ALPHANUMERIC)
{
decodeAlphanumericSegment(bits, result, count, fc1InEffect);
}
else if (mode == Mode.BYTE)
{
decodeByteSegment(bits, result, count, currentCharacterSetECI, byteSegments, hints);
}
else if (mode == Mode.KANJI)
{
decodeKanjiSegment(bits, result, count);
}
else
{
throw FormatException.FormatInstance;
}
}
}
}
} while (mode != Mode.TERMINATOR);
}
catch (System.ArgumentException iae)
{
// from readBits() calls
throw FormatException.FormatInstance;
}
return(new DecoderResult(bytes, result.ToString(), byteSegments.Count == 0 ? null : byteSegments, ecLevel == null ? null : ecLevel.ToString()));
}
/// <summary>
/// Performs high-level encoding of a PDF417 message using the algorithm described in annex P
/// of ISO/IEC 15438:2001(E). If byte compaction has been selected, then only byte compaction
/// is used.
/// </summary>
/// <param name="msg">the message</param>
/// <param name="compaction">compaction mode to use</param>
/// <param name="encoding">character encoding used to encode in default or byte compaction
/// or null for default / not applicable</param>
/// <param name="disableEci">if true, don't add an ECI segment for different encodings than default</param>
/// <returns>the encoded message (the char values range from 0 to 928)</returns>
internal static String encodeHighLevel(String msg, Compaction compaction, Encoding encoding, bool disableEci)
{
//the codewords 0..928 are encoded as Unicode characters
var sb = new StringBuilder(msg.Length);
if (encoding != null && !disableEci && String.Compare(DEFAULT_ENCODING_NAME, encoding.WebName, StringComparison.Ordinal) != 0)
{
CharacterSetECI eci = CharacterSetECI.getCharacterSetECIByName(encoding.WebName);
if (eci != null)
{
encodingECI(eci.Value, sb);
}
}
int len = msg.Length;
int p = 0;
int textSubMode = SUBMODE_ALPHA;
// User selected encoding mode
switch (compaction)
{
case Compaction.TEXT:
encodeText(msg, p, len, sb, textSubMode);
break;
case Compaction.BYTE:
var msgBytes = toBytes(msg, encoding);
encodeBinary(msgBytes, p, msgBytes.Length, BYTE_COMPACTION, sb);
break;
case Compaction.NUMERIC:
sb.Append((char)LATCH_TO_NUMERIC);
encodeNumeric(msg, p, len, sb);
break;
default:
int encodingMode = TEXT_COMPACTION; //Default mode, see 4.4.2.1
byte[] bytes = null;
while (p < len)
{
int n = determineConsecutiveDigitCount(msg, p);
if (n >= 13)
{
sb.Append((char)LATCH_TO_NUMERIC);
encodingMode = NUMERIC_COMPACTION;
textSubMode = SUBMODE_ALPHA; //Reset after latch
encodeNumeric(msg, p, n, sb);
p += n;
}
else
{
int t = determineConsecutiveTextCount(msg, p);
if (t >= 5 || n == len)
{
if (encodingMode != TEXT_COMPACTION)
{
sb.Append((char)LATCH_TO_TEXT);
encodingMode = TEXT_COMPACTION;
textSubMode = SUBMODE_ALPHA; //start with submode alpha after latch
}
textSubMode = encodeText(msg, p, t, sb, textSubMode);
p += t;
}
else
{
if (bytes == null)
{
bytes = toBytes(msg, encoding);
}
int b = determineConsecutiveBinaryCount(msg, bytes, p, encoding);
if (b == 0)
{
b = 1;
}
if (b == 1 && encodingMode == TEXT_COMPACTION)
{
//Switch for one byte (instead of latch)
encodeBinary(bytes, 0, 1, TEXT_COMPACTION, sb);
}
else
{
//Mode latch performed by encodeBinary()
encodeBinary(bytes,
toBytes(msg.Substring(0, p), encoding).Length,
toBytes(msg.Substring(p, b), encoding).Length,
encodingMode,
sb);
encodingMode = BYTE_COMPACTION;
textSubMode = SUBMODE_ALPHA; //Reset after latch
}
p += b;
}
}
}
break;
}
return(sb.ToString());
}
private static void appendECI(CharacterSetECI eci, BitVector bits)
{
bits.appendBits(Mode.ECI.Bits, 4);
// This is correct for values up to 127, which is all we need now.
bits.appendBits(eci.Value, 8);
}
/// <summary>
/// Performs high-level encoding of a PDF417 message using the algorithm described in annex P
/// of ISO/IEC 15438:2001(E). If byte compaction has been selected, then only byte compaction
/// is used.
///
/// <param name="msg">the message</param>
/// <returns>the encoded message (the char values range from 0 to 928)</returns>
/// </summary>
internal static String encodeHighLevel(String msg, Compaction compaction, Encoding encoding, bool disableEci)
{
//the codewords 0..928 are encoded as Unicode characters
var sb = new StringBuilder(msg.Length);
if (!DEFAULT_ENCODING.Equals(encoding) && !disableEci)
{
CharacterSetECI eci = CharacterSetECI.getCharacterSetECIByName(encoding.WebName);
if (eci != null)
{
encodingECI(eci.Value, sb);
}
}
int len = msg.Length;
int p = 0;
int textSubMode = SUBMODE_ALPHA;
// User selected encoding mode
byte[] bytes = null; //Fill later and only if needed
if (compaction == Compaction.TEXT)
{
encodeText(msg, p, len, sb, textSubMode);
}
else if (compaction == Compaction.BYTE)
{
bytes = encoding.GetBytes(msg);
encodeBinary(bytes, p, bytes.Length, BYTE_COMPACTION, sb);
}
else if (compaction == Compaction.NUMERIC)
{
sb.Append((char)LATCH_TO_NUMERIC);
encodeNumeric(msg, p, len, sb);
}
else
{
int encodingMode = TEXT_COMPACTION; //Default mode, see 4.4.2.1
while (p < len)
{
int n = determineConsecutiveDigitCount(msg, p);
if (n >= 13)
{
sb.Append((char)LATCH_TO_NUMERIC);
encodingMode = NUMERIC_COMPACTION;
textSubMode = SUBMODE_ALPHA; //Reset after latch
encodeNumeric(msg, p, n, sb);
p += n;
}
else
{
int t = determineConsecutiveTextCount(msg, p);
if (t >= 5 || n == len)
{
if (encodingMode != TEXT_COMPACTION)
{
sb.Append((char)LATCH_TO_TEXT);
encodingMode = TEXT_COMPACTION;
textSubMode = SUBMODE_ALPHA; //start with submode alpha after latch
}
textSubMode = encodeText(msg, p, t, sb, textSubMode);
p += t;
}
else
{
if (bytes == null)
{
bytes = encoding.GetBytes(msg);
}
int b = determineConsecutiveBinaryCount(msg, bytes, p);
if (b == 0)
{
b = 1;
}
if (b == 1 && encodingMode == TEXT_COMPACTION)
{
//Switch for one byte (instead of latch)
encodeBinary(bytes, p, 1, TEXT_COMPACTION, sb);
}
else
{
//Mode latch performed by encodeBinary()
encodeBinary(bytes, p, b, encodingMode, sb);
encodingMode = BYTE_COMPACTION;
textSubMode = SUBMODE_ALPHA; //Reset after latch
}
p += b;
}
}
}
}
return(sb.ToString());
}
private void btPdf_Click(object sender, EventArgs e)
{
try
{
/* ============ PRIMEIRA FORMA ============
* //var retangulo = new iTextSharp.text.Rectangle(765, 765);
* var documento = new Document(PageSize.A4, 10, 10, 10, 10);
*
* var writer = PdfWriter.GetInstance(documento, new FileStream(@"c:\teste\teste.pdf", FileMode.Create));
*
* documento.Open();
*
* var imagem = iTextSharp.text.Image.GetInstance(@"C:\teste\robin.png");
* imagem.SetAbsolutePosition(10,60);
* documento.Add(imagem);
*
* PdfContentByte cb = writer.DirectContent;
* BaseFont fonte = BaseFont.CreateFont(BaseFont.COURIER, BaseFont.CP1252, false, false);
*
* cb.BeginText();
* cb.SetFontAndSize(fonte, 12);
* cb.SetColorFill(new BaseColor(51, 51, 51));
* cb.ShowTextAligned(PdfContentByte.ALIGN_LEFT, "Damian Wayne\nTeste", 20, 800, 0);
*
* int linhas = dgvDados.RowCount;
* int colunas = dgvDados.ColumnCount;
*
* for (int i = 0; i < linhas; i++)
* {
* for (int x = 0; x < colunas; x++)
* {
* cb.ShowTextAligned(PdfContentByte.ALIGN_LEFT, Convert.ToString(dgvDados.Rows[i].Cells[x].Value), 20, 400, 0);
* }
* }
*
* cb.EndText();
* documento.Close();
*
* MessageBox.Show("PDF gerado com sucesso!", "Aviso", MessageBoxButtons.OK, MessageBoxIcon.Information);
*/
/*========== SEGUNDA FORMA ==========
* CHUNK: é a menor parte de um texto a ser inserido (palavra)
* PHRASE: é um conjunto de palavras (frases)
* PARAGRAPH: é um paragrafo (conjunto de frases)
*/
var documento = new Document(PageSize.A4, 10, 10, 10, 10);
Stream str;
SaveFileDialog salvarRelatorioPDF = new SaveFileDialog();
salvarRelatorioPDF.Filter = "PDF (*.pdf) | *.pdf";
salvarRelatorioPDF.FilterIndex = 2;
salvarRelatorioPDF.Title = "Salvar Relatorio em PDF";
salvarRelatorioPDF.RestoreDirectory = true;
var salvar_dir = "";
if (salvarRelatorioPDF.ShowDialog() == DialogResult.OK)
{
if ((str = salvarRelatorioPDF.OpenFile()) != null)
{
salvar_dir = salvarRelatorioPDF.FileName;
}
else
{
DialogResult x = MessageBox.Show("Não Foi possivel salvar", "Aviso", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
str.Close();
}
var writer = PdfWriter.GetInstance(documento, new FileStream(salvar_dir, FileMode.Create));
documento.Open();
var imagem = iTextSharp.text.Image.GetInstance(@"../../../image.png");
imagem.SetAbsolutePosition(20, 775);
documento.Add(imagem);
var imagem2 = iTextSharp.text.Image.GetInstance(@"../../../image2.png");
imagem2.SetAbsolutePosition(500, 775);
documento.Add(imagem2);
// Definindo as fontes
var titulo = new iTextSharp.text.Font(iTextSharp.text.Font.FontFamily.TIMES_ROMAN, 16, 2, BaseColor.RED);
var fonte = new iTextSharp.text.Font(iTextSharp.text.Font.FontFamily.COURIER, 12, 0, BaseColor.BLACK);
var letra = new iTextSharp.text.Font(iTextSharp.text.Font.FontFamily.COURIER, 10, 0, BaseColor.BLACK);
var rodape = new iTextSharp.text.Font(iTextSharp.text.Font.FontFamily.SYMBOL, 13, 0, BaseColor.BLUE);
documento.Add(new Paragraph(""));
documento.Add(new Paragraph(""));
documento.Add(new Paragraph(""));
//criando parágrafo
var paragrafo1 = new Paragraph("R E L A T O R Í O", titulo);
paragrafo1.Alignment = Element.ALIGN_CENTER;
documento.Add(paragrafo1);
var nome1 = new Paragraph("Lucas Anselmo", fonte);
nome1.Alignment = Element.ALIGN_CENTER;
documento.Add(nome1);
var nome2 = new Paragraph("João Vinicius" + "\n" + "_____________________________________________________________________________", fonte);
nome2.Alignment = Element.ALIGN_CENTER;
documento.Add(nome2);
//data do relatorio
var paragrafo2 = new Paragraph("ITU, " + DateTime.Now.ToLongDateString());
paragrafo2.Alignment = Element.ALIGN_RIGHT;
documento.Add(paragrafo2);
int linhas = dgvDados.RowCount;
int colunas = dgvDados.ColumnCount;
var frase = new Phrase();
bool flag = false;
for (int i = 0; i < linhas; i++)
{
for (int x = 0; x < colunas; x++)
{
frase = new Phrase(Convert.ToString(dgvDados.Rows[i].Cells[x].Value) + " - ", letra);
//documento.Add(frase);
flag = documento.Add(frase);
}
frase = new Phrase("\n");
flag = documento.Add(frase);
}
//gerar codigo de barras
PdfContentByte cb = writer.DirectContent;
cb.BeginText();
iTextSharp.text.Image imgBarCode;
BarcodeEAN codeEAN = null;
codeEAN = new BarcodeEAN();
codeEAN.CodeType = Barcode.EAN13;
codeEAN.ChecksumText = true;
codeEAN.GenerateChecksum = true;
codeEAN.BarHeight = 12;
codeEAN.Code = "1234567890123";
imgBarCode = codeEAN.CreateImageWithBarcode(cb, null, null);
imgBarCode.SetAbsolutePosition(20, 350);
imgBarCode.Alignment = iTextSharp.text.Image.TEXTWRAP;
documento.Add(imgBarCode);
cb.EndText();
//Gerar QRCODE
var paramQR = new Dictionary <EncodeHintType, object>();
paramQR.Add(EncodeHintType.CHARACTER_SET, CharacterSetECI.GetCharacterSetECIByName("UTF-8"));
BarcodeQRCode qrcodigo = new BarcodeQRCode("http://www.etecitu.com.br", 150, 150, paramQR);
iTextSharp.text.Image imgQrCode = qrcodigo.GetImage();
imgQrCode.SetAbsolutePosition(410, 300);
documento.Add(imgQrCode);
documento.Close();
if (flag == true)
{
DialogResult d = MessageBox.Show("Relatorio gerado com sucesso!\nDeseja abri-lo?", "Aviso", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (d.ToString() == "Yes")
{
System.Diagnostics.Process.Start(@salvar_dir);
}
}
else
{
MessageBox.Show("Não foi gerado");
}
}
catch (Exception erro)
{
MessageBox.Show(erro.Message);
}
}
private static void DecodeByteSegment(BitSource bits, StringBuilder result, int count, CharacterSetECI currentCharacterSetECI, System.Collections.ArrayList byteSegments)
{
sbyte[] readBytes = new sbyte[count];
if (count << 3 > bits.Available())
{
throw ReaderException.Instance;
}
for (int i = 0; i < count; i++)
{
readBytes[i] = (sbyte)bits.ReadBits(8);
}
// The spec isn't clear on this mode; see
// section 6.4.5: t does not say which encoding to assuming
// upon decoding. I have seen ISO-8859-1 used as well as
// Shift_JIS -- without anything like an ECI designator to
// give a hint.
var encoding = currentCharacterSetECI == null?GuessEncoding(readBytes) : currentCharacterSetECI.EncodingName;
try
{
//UPGRADE_TODO: The differences in the Format of parameters for constructor 'java.lang.String.String' may cause compilation errors. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1092'"
result.Append(Encoding.GetEncoding(encoding).GetString(SupportClass.ToByteArray(readBytes)));
}
catch (IOException)
{
throw ReaderException.Instance;
}
byteSegments.Add(SupportClass.ToByteArray(readBytes));
}
internal static DecoderResult Decode(sbyte[] bytes, Version version, ErrorCorrectionLevel ecLevel)
{
BitSource bits = new BitSource(bytes);
StringBuilder result = new 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 (ArgumentException)
{
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));
}
private static void decodeByteSegment(BitSource bits, StringBuilder result, int count,
CharacterSetECI currentCharacterSetECI, List<byte[]> byteSegments)
{
var readBytes = new sbyte[count];
if (count << 3 > bits.available())
{
throw ReaderException.Instance;
}
for (int i = 0; i < count; i++)
{
readBytes[i] = (sbyte) bits.readBits(8);
}
String encoding;
if (currentCharacterSetECI == null)
{
// The spec isn't clear on this mode; see
// section 6.4.5: t does not say which encoding to assuming
// upon decoding. I have seen ISO-8859-1 used as well as
// Shift_JIS -- without anything like an ECI designator to
// give a hint.
encoding = guessEncoding(readBytes);
}
else
{
encoding = currentCharacterSetECI.EncodingName;
}
try
{
byte[] byteArray = SupportClass.ToByteArray(readBytes);
result.Append(Encoding.GetEncoding(encoding).GetString(byteArray, 0, byteArray.Length));
}
catch (IOException)
{
throw ReaderException.Instance;
}
byteSegments.Add(SupportClass.ToByteArray(readBytes));
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: private static void decodeByteSegment(com.google.zxing.common.BitSource bits, StringBuilder result, int count, com.google.zxing.common.CharacterSetECI currentCharacterSetECI, java.util.Collection<byte[]> byteSegments, java.util.Map<com.google.zxing.DecodeHintType,?> hints) throws com.google.zxing.FormatException
private static void decodeByteSegment(BitSource bits, StringBuilder result, int count, CharacterSetECI currentCharacterSetECI, ICollection <sbyte[]> byteSegments, IDictionary <DecodeHintType, object> hints)
{
// Don't crash trying to read more bits than we have available.
if (count << 3 > bits.available())
{
throw FormatException.FormatInstance;
}
sbyte[] readBytes = new sbyte[count];
for (int i = 0; i < count; i++)
{
readBytes[i] = (sbyte)bits.readBits(8);
}
string encoding;
if (currentCharacterSetECI == null)
{
// The spec isn't clear on this mode; see
// section 6.4.5: t does not say which encoding to assuming
// upon decoding. I have seen ISO-8859-1 used as well as
// Shift_JIS -- without anything like an ECI designator to
// give a hint.
encoding = StringUtils.guessEncoding(readBytes, hints);
}
else
{
encoding = currentCharacterSetECI.name();
}
try
{
//result.Append(new string(readBytes, encoding));
result.Append(GetEncodedStringFromBuffer(readBytes, encoding));
}
catch (System.IO.IOException)
{
throw FormatException.FormatInstance;
}
byteSegments.Add(readBytes);
}
/// <summary>
/// Encodes the specified content.
/// </summary>
/// <param name="content">The content.</param>
/// <param name="ecLevel">The ec level.</param>
/// <param name="hints">The hints.</param>
/// <returns></returns>
public static QRCode encode(String content,
ErrorCorrectionLevel ecLevel,
IDictionary <EncodeHintType, object> hints)
{
// Determine what character encoding has been specified by the caller, if any
#if !SILVERLIGHT || WINDOWS_PHONE
String encoding = hints == null || !hints.ContainsKey(EncodeHintType.CHARACTER_SET) ? null : (String)hints[EncodeHintType.CHARACTER_SET];
if (encoding == null)
{
encoding = DEFAULT_BYTE_MODE_ENCODING;
}
bool generateECI = !DEFAULT_BYTE_MODE_ENCODING.Equals(encoding);
#else
// Silverlight supports only UTF-8 and UTF-16 out-of-the-box
const string encoding = "UTF-8";
// caller of the method can only control if the ECI segment should be written
// character set is fixed to UTF-8; but some scanners doesn't like the ECI segment
bool generateECI = (hints != null && hints.ContainsKey(EncodeHintType.CHARACTER_SET));
#endif
// http://zxingnet.codeplex.com/discussions/399045
if (hints != null && hints.ContainsKey(EncodeHintType.DISABLE_ECI) && (bool)hints[EncodeHintType.DISABLE_ECI])
{
generateECI = false;
}
// Pick an encoding mode appropriate for the content. Note that this will not attempt to use
// multiple modes / segments even if that were more efficient. Twould be nice.
Mode mode = chooseMode(content, encoding);
// This will store the header information, like mode and
// length, as well as "header" segments like an ECI segment.
BitArray headerBits = new BitArray();
// Append ECI segment if applicable
if (mode == Mode.BYTE && generateECI)
{
CharacterSetECI eci = CharacterSetECI.getCharacterSetECIByName(encoding);
if (eci != null)
{
appendECI(eci, headerBits);
}
}
// (With ECI in place,) Write the mode marker
appendModeInfo(mode, headerBits);
// Collect data within the main segment, separately, to count its size if needed. Don't add it to
// main payload yet.
BitArray dataBits = new BitArray();
appendBytes(content, mode, dataBits, encoding);
// Hard part: need to know version to know how many bits length takes. But need to know how many
// bits it takes to know version. First we take a guess at version by assuming version will be
// the minimum, 1:
int provisionalBitsNeeded = headerBits.Size
+ mode.getCharacterCountBits(Version.getVersionForNumber(1))
+ dataBits.Size;
Version provisionalVersion = chooseVersion(provisionalBitsNeeded, ecLevel);
// Use that guess to calculate the right version. I am still not sure this works in 100% of cases.
int bitsNeeded = headerBits.Size
+ mode.getCharacterCountBits(provisionalVersion)
+ dataBits.Size;
Version version = chooseVersion(bitsNeeded, ecLevel);
BitArray headerAndDataBits = new BitArray();
headerAndDataBits.appendBitArray(headerBits);
// Find "length" of main segment and write it
int numLetters = mode == Mode.BYTE ? dataBits.SizeInBytes : content.Length;
appendLengthInfo(numLetters, version, mode, headerAndDataBits);
// Put data together into the overall payload
headerAndDataBits.appendBitArray(dataBits);
Version.ECBlocks ecBlocks = version.getECBlocksForLevel(ecLevel);
int numDataBytes = version.TotalCodewords - ecBlocks.TotalECCodewords;
// Terminate the bits properly.
terminateBits(numDataBytes, headerAndDataBits);
// Interleave data bits with error correction code.
BitArray finalBits = interleaveWithECBytes(headerAndDataBits,
version.TotalCodewords,
numDataBytes,
ecBlocks.NumBlocks);
QRCode qrCode = new QRCode
{
ECLevel = ecLevel,
Mode = mode,
Version = version
};
// Choose the mask pattern and set to "qrCode".
int dimension = version.DimensionForVersion;
ByteMatrix matrix = new ByteMatrix(dimension, dimension);
int maskPattern = chooseMaskPattern(finalBits, ecLevel, version, matrix);
qrCode.MaskPattern = maskPattern;
// Build the matrix and set it to "qrCode".
MatrixUtil.buildMatrix(finalBits, ecLevel, version, maskPattern, matrix);
qrCode.Matrix = matrix;
return(qrCode);
}
internal static DecoderResult decode(byte[] bytes,
Version version,
QrCode.Internal.ErrorCorrectionLevel ecLevel,
IDictionary <DecodeHintType, object> hints)
{
var bits = new BitSource(bytes);
var result = new StringBuilder(50);
var byteSegments = new List <byte[]>(1);
var symbolSequence = -1;
var parityData = -1;
CharacterSetECI currentCharacterSetECI = null;
bool fc1InEffect = false;
Mode mode = Mode.TERMINATOR;
int bitLen = Mode.NUMERIC.getBitsLength(version.VersionNumber);
if (version.VersionNumber > 1)
{
try
{
mode = Mode.forBits(bits.readBits(bitLen));
}
catch (System.ArgumentException iae)
{
throw ReaderException.Instance;
}
}
else
{
mode = Mode.NUMERIC;
}
if (!mode.Equals(Mode.TERMINATOR))
{
// 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, hints);
}
else if (mode.Equals(Mode.KANJI))
{
decodeKanjiSegment(bits, result, count);
}
else
{
throw ReaderException.Instance;
}
}
return(new DecoderResult(bytes, result.ToString(), byteSegments.Count == 0 ? null : byteSegments, ecLevel == null ? null : ecLevel.ToString(),
symbolSequence, parityData));
}
/// <summary>
/// Convert the text represented by this High Level Encoder into a BitArray.
/// </summary>
/// <returns>text represented by this encoder encoded as a <see cref="BitArray"/></returns>
public BitArray encode()
{
State initialState = State.INITIAL_STATE;
if (encoding != null && !disableEci)
{
CharacterSetECI eci = CharacterSetECI.getCharacterSetECI(encoding);
if (null == eci)
{
throw new ArgumentException("No ECI code for character set " + encoding.WebName);
}
initialState = initialState.appendFLGn(eci.Value);
}
ICollection <State> states = new Collection <State>();
states.Add(initialState);
for (int index = 0; index < text.Length; index++)
{
int pairCode;
// don't remove the (int) type cast, mono compiler needs it
int nextChar = (index + 1 < text.Length) ? (int)text[index + 1] : 0;
switch (text[index])
{
case (byte)'\r':
pairCode = nextChar == '\n' ? 2 : 0;
break;
case (byte)'.':
pairCode = nextChar == ' ' ? 3 : 0;
break;
case (byte)',':
pairCode = nextChar == ' ' ? 4 : 0;
break;
case (byte)':':
pairCode = nextChar == ' ' ? 5 : 0;
break;
default:
pairCode = 0;
break;
}
if (pairCode > 0)
{
// We have one of the four special PUNCT pairs. Treat them specially.
// Get a new set of states for the two new characters.
states = updateStateListForPair(states, index, pairCode);
index++;
}
else
{
// Get a new set of states for the new character.
states = updateStateListForChar(states, index);
}
}
// We are left with a set of states. Find the shortest one.
State minState = null;
foreach (var state in states)
{
if (minState == null)
{
minState = state;
}
else
{
if (state.BitCount < minState.BitCount)
{
minState = state;
}
}
}
/*
* State minState = Collections.min(states, new Comparator<State>() {
* @Override
* public int compare(State a, State b) {
* return a.getBitCount() - b.getBitCount();
* }
* });
*/
// Convert it to a bit array, and return.
return(minState.toBitArray(text));
}
internal static DecoderResult decode(byte[] bytes,
Version version,
ErrorCorrectionLevel ecLevel,
IDictionary <DecodeHintType, object> hints)
{
var bits = new BitSource(bytes);
var result = new StringBuilder(50);
var byteSegments = new List <byte[]> (1);
var symbolSequence = -1;
var parityData = -1;
try {
CharacterSetECI currentCharacterSetECI = null;
bool fc1InEffect = false;
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 (ArgumentException) {
return(null);
}
}
if (mode != Mode.TERMINATOR)
{
if (mode == Mode.FNC1_FIRST_POSITION || mode == 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 == Mode.STRUCTURED_APPEND)
{
if (bits.available() < 16)
{
return(null);
}
// not really supported; but sequence number and parity is added later to the result metadata
// Read next 8 bits (symbol sequence #) and 8 bits (parity data), then continue
symbolSequence = bits.readBits(8);
parityData = bits.readBits(8);
}
else if (mode == Mode.ECI)
{
// Count doesn't apply to ECI
int value = parseECIValue(bits);
currentCharacterSetECI = CharacterSetECI.getCharacterSetECIByValue(value);
if (currentCharacterSetECI == null)
{
return(null);
}
}
else
{
// First handle Hanzi mode which does not start with character count
if (mode == Mode.HANZI)
{
//chinese mode contains a sub set indicator right after mode indicator
int subset = bits.readBits(4);
int countHanzi = bits.readBits(mode.getCharacterCountBits(version));
if (subset == GB2312_SUBSET)
{
if (!decodeHanziSegment(bits, result, countHanzi))
{
return(null);
}
}
}
else
{
// "Normal" QR code modes:
// How many characters will follow, encoded in this mode?
int count = bits.readBits(mode.getCharacterCountBits(version));
if (mode == Mode.NUMERIC)
{
if (!decodeNumericSegment(bits, result, count))
{
return(null);
}
}
else if (mode == Mode.ALPHANUMERIC)
{
if (!decodeAlphanumericSegment(bits, result, count, fc1InEffect))
{
return(null);
}
}
else if (mode == Mode.BYTE)
{
if (!decodeByteSegment(bits, result, count, currentCharacterSetECI, byteSegments, hints))
{
return(null);
}
}
else if (mode == Mode.KANJI)
{
if (!decodeKanjiSegment(bits, result, count))
{
return(null);
}
}
else
{
return(null);
}
}
}
}
} while (mode != Mode.TERMINATOR);
} catch (ArgumentException) {
// from readBits() calls
return(null);
}
#if WindowsCE
var resultString = result.ToString().Replace("\n", "\r\n");
#else
var resultString = result.ToString().Replace("\r\n", "\n").Replace("\n", Environment.NewLine);
#endif
return(new DecoderResult(bytes,
resultString,
byteSegments.Count == 0 ? null : byteSegments,
ecLevel == null ? null : ecLevel.ToString(),
symbolSequence, parityData));
}
/// <summary>
/// Encodes the specified content.
/// </summary>
/// <param name="content">The content.</param>
/// <param name="ecLevel">The ec level.</param>
/// <param name="hints">The hints.</param>
/// <returns></returns>
public static QRCode encode(String content,
ErrorCorrectionLevel ecLevel,
IDictionary <EncodeHintType, object> hints)
{
// Determine what character encoding has been specified by the caller, if any
bool hasEncodingHint = hints != null && hints.ContainsKey(EncodeHintType.CHARACTER_SET);
#if !SILVERLIGHT || WINDOWS_PHONE
var encoding = hints == null || !hints.ContainsKey(EncodeHintType.CHARACTER_SET) ? null : (String)hints[EncodeHintType.CHARACTER_SET];
if (encoding == null)
{
encoding = DEFAULT_BYTE_MODE_ENCODING;
}
var generateECI = hasEncodingHint || !DEFAULT_BYTE_MODE_ENCODING.Equals(encoding);
#else
// Silverlight supports only UTF-8 and UTF-16 out-of-the-box
const string encoding = "UTF-8";
// caller of the method can only control if the ECI segment should be written
// character set is fixed to UTF-8; but some scanners doesn't like the ECI segment
var generateECI = hasEncodingHint;
#endif
// Pick an encoding mode appropriate for the content. Note that this will not attempt to use
// multiple modes / segments even if that were more efficient. Twould be nice.
var mode = chooseMode(content, encoding);
// This will store the header information, like mode and
// length, as well as "header" segments like an ECI segment.
var headerBits = new BitArray();
// Append ECI segment if applicable
if (mode == Mode.BYTE && generateECI)
{
var eci = CharacterSetECI.getCharacterSetECIByName(encoding);
if (eci != null)
{
var eciIsExplicitDisabled = (hints != null && hints.ContainsKey(EncodeHintType.DISABLE_ECI) && hints[EncodeHintType.DISABLE_ECI] != null && Convert.ToBoolean(hints[EncodeHintType.DISABLE_ECI].ToString()));
if (!eciIsExplicitDisabled)
{
appendECI(eci, headerBits);
}
}
}
// Append the FNC1 mode header for GS1 formatted data if applicable
var hasGS1FormatHint = hints != null && hints.ContainsKey(EncodeHintType.GS1_FORMAT);
if (hasGS1FormatHint && hints[EncodeHintType.GS1_FORMAT] != null && Convert.ToBoolean(hints[EncodeHintType.GS1_FORMAT].ToString()))
{
// GS1 formatted codes are prefixed with a FNC1 in first position mode header
appendModeInfo(Mode.FNC1_FIRST_POSITION, headerBits);
}
// (With ECI in place,) Write the mode marker
appendModeInfo(mode, headerBits);
// Collect data within the main segment, separately, to count its size if needed. Don't add it to
// main payload yet.
var dataBits = new BitArray();
appendBytes(content, mode, dataBits, encoding);
Version version;
if (hints != null && hints.ContainsKey(EncodeHintType.QR_VERSION))
{
int versionNumber = Int32.Parse(hints[EncodeHintType.QR_VERSION].ToString());
version = Version.getVersionForNumber(versionNumber);
int bitsNeeded = calculateBitsNeeded(mode, headerBits, dataBits, version);
if (!willFit(bitsNeeded, version, ecLevel))
{
throw new WriterException("Data too big for requested version");
}
}
else
{
version = recommendVersion(ecLevel, mode, headerBits, dataBits);
}
var headerAndDataBits = new BitArray();
headerAndDataBits.appendBitArray(headerBits);
// Find "length" of main segment and write it
var numLetters = mode == Mode.BYTE ? dataBits.SizeInBytes : content.Length;
appendLengthInfo(numLetters, version, mode, headerAndDataBits);
// Put data together into the overall payload
headerAndDataBits.appendBitArray(dataBits);
var ecBlocks = version.getECBlocksForLevel(ecLevel);
var numDataBytes = version.TotalCodewords - ecBlocks.TotalECCodewords;
// Terminate the bits properly.
terminateBits(numDataBytes, headerAndDataBits);
// Interleave data bits with error correction code.
var finalBits = interleaveWithECBytes(headerAndDataBits,
version.TotalCodewords,
numDataBytes,
ecBlocks.NumBlocks);
var qrCode = new QRCode
{
ECLevel = ecLevel,
Mode = mode,
Version = version
};
// Choose the mask pattern and set to "qrCode".
var dimension = version.DimensionForVersion;
var matrix = new ByteMatrix(dimension, dimension);
var maskPattern = chooseMaskPattern(finalBits, ecLevel, version, matrix);
qrCode.MaskPattern = maskPattern;
// Build the matrix and set it to "qrCode".
MatrixUtil.buildMatrix(finalBits, ecLevel, version, maskPattern, matrix);
qrCode.Matrix = matrix;
return(qrCode);
}
/// <summary>
/// Gets the string encoded in the aztec code bits
/// </summary>
/// <param name="correctedBits">The corrected bits.</param>
/// <returns>the decoded string</returns>
private static String getEncodedData(bool[] correctedBits)
{
var endIndex = correctedBits.Length;
var latchTable = Table.UPPER; // table most recently latched to
var shiftTable = Table.UPPER; // table to use for the next read
var strTable = UPPER_TABLE;
var index = 0;
// Final decoded string result
// (correctedBits-5) / 4 is an upper bound on the size (all-digit result)
var result = new StringBuilder((correctedBits.Length - 5) / 4);
// Intermediary buffer of decoded bytes, which is decoded into a string and flushed
// when character encoding changes (ECI) or input ends.
using (var decodedBytes = new System.IO.MemoryStream())
{
var encoding = DEFAULT_ENCODING;
while (index < endIndex)
{
if (shiftTable == Table.BINARY)
{
if (endIndex - index < 5)
{
break;
}
int length = readCode(correctedBits, index, 5);
index += 5;
if (length == 0)
{
if (endIndex - index < 11)
{
break;
}
length = readCode(correctedBits, index, 11) + 31;
index += 11;
}
for (int charCount = 0; charCount < length; charCount++)
{
if (endIndex - index < 8)
{
index = endIndex; // Force outer loop to exit
break;
}
int code = readCode(correctedBits, index, 8);
decodedBytes.WriteByte((byte)code);
index += 8;
}
// Go back to whatever mode we had been in
shiftTable = latchTable;
strTable = codeTables[shiftTable];
}
else
{
int size = shiftTable == Table.DIGIT ? 4 : 5;
if (endIndex - index < size)
{
break;
}
int code = readCode(correctedBits, index, size);
index += size;
String str = getCharacter(strTable, code);
if ("FLG(n)".Equals(str))
{
if (endIndex - index < 3)
{
break;
}
int n = readCode(correctedBits, index, 3);
index += 3;
// flush bytes, FLG changes state
if (decodedBytes.Length > 0)
{
var byteArray = decodedBytes.ToArray();
result.Append(encoding.GetString(byteArray, 0, byteArray.Length));
decodedBytes.SetLength(0);
}
switch (n)
{
case 0:
result.Append((char)29); // translate FNC1 as ASCII 29
break;
case 7:
throw new FormatException("FLG(7) is reserved and illegal");
default:
// ECI is decimal integer encoded as 1-6 codes in DIGIT mode
int eci = 0;
if (endIndex - index < 4 * n)
{
break;
}
while (n-- > 0)
{
int nextDigit = readCode(correctedBits, index, 4);
index += 4;
if (nextDigit < 2 || nextDigit > 11)
{
throw new FormatException("Not a decimal digit");
}
eci = eci * 10 + (nextDigit - 2);
}
CharacterSetECI charsetECI = CharacterSetECI.getCharacterSetECIByValue(eci);
encoding = CharacterSetECI.getEncoding(charsetECI);
if (encoding == null)
{
throw new FormatException("Encoding for ECI " + eci + " can't be resolved");
}
break;
}
// Go back to whatever mode we had been in
shiftTable = latchTable;
strTable = codeTables[shiftTable];
}
else if (str.StartsWith("CTRL_"))
{
// Table changes
// ISO/IEC 24778:2008 prescribes ending a shift sequence in the mode from which it was invoked.
// That's including when that mode is a shift.
// Our test case dlusbs.png for issue #642 exercises that.
latchTable = shiftTable; // Latch the current mode, so as to return to Upper after U/S B/S
shiftTable = getTable(str[5]);
strTable = codeTables[shiftTable];
if (str[6] == 'L')
{
latchTable = shiftTable;
}
}
else
{
// Though stored as a table of strings for convenience, codes actually represent 1 or 2 *bytes*.
#if (PORTABLE || NETSTANDARD1_0 || NETSTANDARD1_1 || WINDOWS_PHONE || NETFX_CORE || SILVERLIGHT)
var b = StringUtils.PLATFORM_DEFAULT_ENCODING_T.GetBytes(str);
#else
var b = Encoding.ASCII.GetBytes(str);
#endif
decodedBytes.Write(b, 0, b.Length);
// Go back to whatever mode we had been in
shiftTable = latchTable;
strTable = codeTables[shiftTable];
}
}
}
if (decodedBytes.Length > 0)
{
var byteArray = decodedBytes.ToArray();
result.Append(encoding.GetString(byteArray, 0, byteArray.Length));
}
}
return(result.ToString());
}
public static QRCode encode(String content,
ErrorCorrectionLevel ecLevel,
IDictionary hints)
{
// Determine what character encoding has been specified by the caller, if any
String encoding = hints == null || !hints.Contains(EncodeHintType.CHARACTER_SET) ? null : (String)hints[EncodeHintType.CHARACTER_SET];
if (encoding == null)
{
encoding = DEFAULT_BYTE_MODE_ENCODING;
}
bool doSelectMask = hints == null || !hints.Contains(EncodeHintType.QR_DO_MASK_SELECTION) ? false : (bool)hints[EncodeHintType.QR_DO_MASK_SELECTION];
// Pick an encoding mode appropriate for the content. Note that this will not attempt to use
// multiple modes / segments even if that were more efficient. Twould be nice.
Mode mode = chooseMode(content, encoding);
// This will store the header information, like mode and
// length, as well as "header" segments like an ECI segment.
BitArray headerBits = new BitArray();
// Append ECI segment if applicable
if (mode == Mode.BYTE && !DEFAULT_BYTE_MODE_ENCODING.Equals(encoding))
{
CharacterSetECI eci = CharacterSetECI.getCharacterSetECIByName(encoding);
if (eci != null)
{
appendECI(eci, headerBits);
}
}
// (With ECI in place,) Write the mode marker
appendModeInfo(mode, headerBits);
// Collect data within the main segment, separately, to count its size if needed. Don't add it to
// main payload yet.
BitArray dataBits = new BitArray();
appendBytes(content, mode, dataBits, encoding);
// Hard part: need to know version to know how many bits length takes. But need to know how many
// bits it takes to know version. To pick version size assume length takes maximum bits
int bitsNeeded = headerBits.Size
+ mode.getCharacterCountBits(Version.getVersionForNumber(40))
+ dataBits.Size;
Version version = chooseVersion(bitsNeeded, ecLevel);
BitArray headerAndDataBits = new BitArray();
headerAndDataBits.appendBitArray(headerBits);
// Find "length" of main segment and write it
int numLetters = mode == Mode.BYTE ? dataBits.SizeInBytes : content.Length;
appendLengthInfo(numLetters, version, mode, headerAndDataBits);
// Put data together into the overall payload
headerAndDataBits.appendBitArray(dataBits);
Version.ECBlocks ecBlocks = version.getECBlocksForLevel(ecLevel);
int numDataBytes = version.TotalCodewords - ecBlocks.TotalECCodewords;
// Terminate the bits properly.
terminateBits(numDataBytes, headerAndDataBits);
// Interleave data bits with error correction code.
BitArray finalBits = interleaveWithECBytes(headerAndDataBits,
version.TotalCodewords,
numDataBytes,
ecBlocks.NumBlocks);
QRCode qrCode = new QRCode
{
ECLevel = ecLevel,
Mode = mode,
Version = version
};
// Choose the mask pattern and set to "qrCode".
int dimension = version.DimensionForVersion;
ByteMatrix matrix = new ByteMatrix(dimension, dimension);
int maskPattern = 3;
if (doSelectMask)
{
maskPattern = chooseMaskPattern(finalBits, ecLevel, version, matrix);
}
qrCode.MaskPattern = maskPattern;
// Build the matrix and set it to "qrCode".
MatrixUtil.buildMatrix(finalBits, ecLevel, version, maskPattern, matrix);
qrCode.Matrix = matrix;
return(qrCode);
}