////////////////////////////////////////////////////////////////////
// Encode input byte array into QRCode boolean matrix
////////////////////////////////////////////////////////////////////
private Byte[,] EncodeQRCode
(
ErrorCorrection ErrorCorrection
)
{
// initialization
Initialization(ErrorCorrection);
// encode data
EncodeData();
// calculate error correction
CalculateErrorCorrection();
// iterleave data and error correction codewords
InterleaveBlocks();
// build base matrix
BuildBaseMatrix();
// load base matrix with data and error correction codewords
LoadMatrixWithData();
// data masking
SelectBastMask();
// add format information (error code level and mask code)
AddFormatInformation();
// output array
return(ResultMatrix);
}
private void HandleTransferForSingleWearehouse(int wearehouse, DataView dataView, int newItemId, int newUnitId, int newManufacturerId,
decimal ConversionFactor, string Remark, DateTime convertedEthDate,
User user, bool changeExpiryDate, DateTime?ExpiryDate,
bool changeBatchNo, string batchNo, int activityId, Issue stvLog, Order order, PickList picklist)
{
int receiptTypeID = ReceiptType.CONSTANTS.ERROR_CORRECTION;
ReceiveService receiveService = new ReceiveService();
Receipt receipt = receiveService.CreateFakeReceiptWithInvoicePO(order.OrderTypeID, activityId, GeneralInfo.Current.SupplierID,
Remark,
stvLog.IDPrinted,
receiptTypeID,
user.ID, BLL.Settings.IsVaccine ? ReceiptConfirmationStatus.Constants.GRV_PRINTED : ReceiptConfirmationStatus.Constants.GRNF_PRINTED, wearehouse);
//Loop throw the Dataview and Create Detail Transaction
foreach (DataRowView dataRowView in dataView)
{
int receivePalletID = Convert.ToInt32(dataRowView["receivePalletId"]);
decimal pack = Convert.ToDecimal(dataRowView["PickedQty"]);
decimal convertedPack = Convert.ToDecimal(pack * Convert.ToDecimal(ConversionFactor));
if (pack != 0)
{
CreateDetailTransactionsForErrorCorrection(order, picklist, stvLog, receivePalletID, receipt.ID,
user, convertedEthDate, newItemId, newUnitId,
newManufacturerId, pack, convertedPack,
ReceiptConfirmationStatus.Constants.GRNF_PRINTED,
changeExpiryDate, ExpiryDate, changeBatchNo, batchNo);
}
}
ErrorCorrection.Log(stvLog, receipt, ConversionFactor);
}
////////////////////////////////////////////////////////////////////
// Encode input byte array into QRCode boolean matrix
////////////////////////////////////////////////////////////////////
internal Byte[,] EncodeQRCode
(
String DataString,
ErrorCorrection ErrorCorrection
)
{
// make sure data string is not empty
if (String.IsNullOrEmpty(DataString))
{
throw new ApplicationException("Input data string is null or empty");
}
// split input data string to segments delimited by SegmentMarker
SegDataString = DataString.Split(new Char[] { PdfQRCode.SegmentMarker }, StringSplitOptions.RemoveEmptyEntries);
if (SegDataString == null || SegDataString.Length == 0)
{
throw new ApplicationException("Input data string is null or empty");
}
// create encoding mode array
SegEncodingMode = new EncodingMode[SegDataString.Length];
// create QR code boolean aray
return(EncodeQRCode(ErrorCorrection));
}
/// <summary>
/// Encode one string into QRCode boolean matrix
/// </summary>
/// <param name="ErrorCorrection">Error correction (L, M, Q, H)</param>
/// <param name="StringDataSegments">string data segments</param>
/// <returns>QR Code boolean matrix</returns>
public bool[,] Encode
(
ErrorCorrection ErrorCorrection,
string[] StringDataSegments
)
{
// empty
if (StringDataSegments == null)
{
return(Encode(ErrorCorrection, (byte[][])null));
}
// create bytes arrays
byte[][] TempDataSegArray = new byte[StringDataSegments.Length][];
// loop for all segments
for (int SegIndex = 0; SegIndex < StringDataSegments.Length; SegIndex++)
{
// convert string to byte array
TempDataSegArray[SegIndex] = StrToByteArray(StringDataSegments[SegIndex]);
}
// convert string to byte array
return(Encode(ErrorCorrection, TempDataSegArray));
}
////////////////////////////////////////////////////////////////////
/// <summary>
/// PDF QR Code constructor
/// </summary>
/// <param name="Document">Parent PDF document.</param>
/// <param name="DataString">Data string to encode.</param>
/// <param name="ErrorCorrection">Error correction code.</param>
////////////////////////////////////////////////////////////////////
public PdfQRCode
(
PdfDocument Document,
String DataString,
ErrorCorrection ErrorCorrection
) : base(Document, ObjectType.Stream, "/XObject")
{
// create resource code
ResourceCode = Document.GenerateResourceNumber('X');
// create QR Code object
QREncoder Encoder = new QREncoder();
QRCodeMatrix = Encoder.EncodeQRCode(DataString, ErrorCorrection);
MatrixDimension = Encoder.MatrixDimension;
// create stream length object
ImageLengthObject = new PdfObject(Document, ObjectType.Other);
Dictionary.AddIndirectReference("/Length", ImageLengthObject);
// set default values
ModuleSize = 4;
QuietZone = 16;
// exit
return;
}
public BitMatrix encode(String contents, BarcodeFormat format, int width, int height, IDictionary <EncodeHintType, object> hints)
{
if (String.IsNullOrEmpty(contents))
{
throw new ArgumentException("Found empty contents", contents);
}
if (format != BarcodeFormat.DATA_MATRIX)
{
throw new ArgumentException("Can only encode DATA_MATRIX, but got " + format);
}
if (width < 0 || height < 0)
{
throw new ArgumentException("Requested dimensions are too small: " + width + 'x' + height);
}
// Try to get force shape & min / max size
SymbolShapeHint shape = SymbolShapeHint.FORCE_NONE;
Dimension minSize = null;
Dimension maxSize = null;
if (hints != null)
{
var requestedShape = hints.ContainsKey(EncodeHintType.DATA_MATRIX_SHAPE) ? (SymbolShapeHint?)hints[EncodeHintType.DATA_MATRIX_SHAPE] : null;
if (requestedShape != null)
{
shape = requestedShape.Value;
}
var requestedMinSize = hints.ContainsKey(EncodeHintType.MIN_SIZE) ? (Dimension)hints[EncodeHintType.MIN_SIZE] : null;
if (requestedMinSize != null)
{
minSize = requestedMinSize;
}
var requestedMaxSize = hints.ContainsKey(EncodeHintType.MAX_SIZE) ? (Dimension)hints[EncodeHintType.MAX_SIZE] : null;
if (requestedMaxSize != null)
{
maxSize = requestedMaxSize;
}
}
//1. step: Data encodation
String encoded = HighLevelEncoder.encodeHighLevel(contents, shape, minSize, maxSize);
SymbolInfo symbolInfo = SymbolInfo.lookup(encoded.Length, shape, minSize, maxSize, true);
//2. step: ECC generation
String codewords = ErrorCorrection.encodeECC200(encoded, symbolInfo);
//3. step: Module placement in Matrix
var placement =
new DefaultPlacement(codewords, symbolInfo.getSymbolDataWidth(), symbolInfo.getSymbolDataHeight());
placement.place();
//4. step: low-level encoding
return(encodeLowLevel(placement, symbolInfo));
}
////////////////////////////////////////////////////////////////////
// Encode input byte array into QRCode boolean matrix
////////////////////////////////////////////////////////////////////
private void EncodeQRCode
(
ErrorCorrection ErrorCorrection,
Int32 QuietZone
)
{
// test input
if (SegDataString == null || SegDataString.Length == 0)
{
throw new ApplicationException("Input data strings are null or empty");
}
// create encoding mode array
SegEncodingMode = new EncodingMode[SegDataString.Length];
// initialization
Initialization(ErrorCorrection);
// encode data
EncodeData();
// calculate error correction
CalculateErrorCorrection();
// iterleave data and error correction codewords
InterleaveBlocks();
// build base matrix
BuildBaseMatrix();
// load base matrix with data and error correction codewords
LoadMatrixWithData();
// data masking
SelectBastMask();
// add format information (error code level and mask code)
AddFormatInformation();
// output matrix size in pixels
Int32 SidePix = MatrixDimension + 2 * QuietZone;
OutputMatrix = new Boolean[SidePix, SidePix];
// convert result matrix to output matrix
for (Int32 Row = 0; Row < MatrixDimension; Row++)
{
for (Int32 Col = 0; Col < MatrixDimension; Col++)
{
if ((ResultMatrix[Row, Col] & 1) != 0)
{
OutputMatrix[QuietZone + Row, QuietZone + Col] = true;
}
}
}
// output array
return;
}
public void CalculateEccOfData_ShouldReturnCorrectEccForGivenData(byte[] data, byte[] expectedEcc)
{
// Act
var ecc = ErrorCorrection.CalculateEcc(data, (byte)expectedEcc.Length);
// Assert
ecc.Should().BeEquivalentTo(expectedEcc);
}
/// <summary>
/// Encode one data segment into QRCode boolean matrix
/// </summary>
/// <param name="ErrorCorrection">Error correction (L, M, Q, H)</param>
/// <param name="SingleDataSeg">Data segment byte array</param>
/// <returns>QR Code boolean matrix</returns>
public bool[,] Encode
(
ErrorCorrection ErrorCorrection,
byte[] SingleDataSeg
)
{
return(Encode(ErrorCorrection, new byte[][] { SingleDataSeg }));
}
////////////////////////////////////////////////////////////////////
/// <summary>
/// PDF QR Code constructor
/// </summary>
/// <param name="Document">Parent PDF document.</param>
/// <param name="DataString">Data string to encode.</param>
/// <param name="ErrorCorrection">Error correction code.</param>
/// <param name="QuietZone">Quiet zone</param>
////////////////////////////////////////////////////////////////////
public PdfQRCode
(
PdfDocument Document,
string DataString,
ErrorCorrection ErrorCorrection,
int QuietZone = 4
) : base(Document)
{
// PdfQRCode constructor helper
ConstructorHelper(DataString, null, ErrorCorrection, QuietZone);
}
public void Compute_DifferentLevels_ShouldReturnCorrectEcc(byte level, int[] expectedEcc)
{
// Arrange
int[] inputData = new[] { 16, 902, 1, 278, 827, 900, 295, 902, 2, 326, 823, 544, 900, 149, 900, 900 };
// Act
int[] ecc = ErrorCorrection.Compute(level, inputData);
// Assert
ecc.Should().BeEquivalentTo(expectedEcc);
}
////////////////////////////////////////////////////////////////////
/// <summary>
/// PDF QR Code constructor
/// </summary>
/// <param name="Document">Parent PDF document.</param>
/// <param name="SegDataString">Data string array to encode.</param>
/// <param name="ErrorCorrection">Error correction code.</param>
/// <param name="QuietZone">Quiet zone</param>
/// <remarks>
/// The program will calculate the best encoding mode for each segment.
/// </remarks>
////////////////////////////////////////////////////////////////////
public PdfQRCode
(
PdfDocument Document,
String[] SegDataString,
ErrorCorrection ErrorCorrection,
Int32 QuietZone = 4
) : base(Document)
{
// PdfQRCode constructor helper
ConstructorHelper(null, SegDataString, ErrorCorrection, QuietZone);
return;
}
public void CalculateEccOfData_ShouldReturnCorrectEccForGivenData(byte[] data, byte[] expectedResult)
{
// Arrange
CodeSize size = CodeSizes.All.FirstOrDefault(x => x.DataCodewords >= data.Length)
?? throw new InvalidOperationException("Size not found");
// Act
byte[] result = ErrorCorrection.CalculateEcc(data, size);
// Assert
result.Should().BeEquivalentTo(expectedResult);
}
/// <summary>
/// Create QR Code image
/// </summary>
/// <param name="sender">Sender</param>
/// <param name="e">Event arguments</param>
private void OnEncode(object sender, EventArgs e)
{
// get error correction code
ErrorCorrection ErrorCorrection = (ErrorCorrection)ErrorCorrectionComboBox.SelectedIndex;
// get data for QR Code
string Data = DataTextBox.Text.Trim();
if (Data.Length == 0)
{
MessageBox.Show("Data must not be empty.");
return;
}
// save state
ProgramState.State.EncodeErrorCorrection = ErrorCorrection;
ProgramState.State.EncodeData = Data;
ProgramState.SaveState();
// disable buttons
EnableButtons(false);
try {
// multi segment
if (SeparatorCheckBox.Checked && Data.IndexOf('|') >= 0)
{
string[] Segments = Data.Split(new char[] { '|' }, StringSplitOptions.RemoveEmptyEntries);
// encode data
QRCodeEncoder.Encode(ErrorCorrection, Segments);
}
// single segment
else
{
// encode data
QRCodeEncoder.Encode(ErrorCorrection, Data);
}
// create bitmap
QRCodeImage = QRCodeToBitmap.CreateBitmap(QRCodeEncoder, 4, 8);
} catch (Exception Ex) {
MessageBox.Show("Encoding exception.\r\n" + Ex.Message);
}
// enable buttons
EnableButtons(true);
// repaint panel
Invalidate();
return;
}
////////////////////////////////////////////////////////////////////
// Encode input byte array into QRCode boolean matrix
////////////////////////////////////////////////////////////////////
internal void EncodeQRCode
(
string[] SegDataString,
ErrorCorrection ErrorCorrection,
int QuietZone
)
{
// save data string array
this.SegDataString = SegDataString;
// create QR code boolean aray
EncodeQRCode(ErrorCorrection, QuietZone);
}
public void testRS()
{
//Sample from Annexe R in ISO/IEC 16022:2000(E)
char[] cw = { (char)142, (char)164, (char)186 };
SymbolInfo symbolInfo = SymbolInfo.lookup(3);
String s = ErrorCorrection.encodeECC200(String.Join("", cw), symbolInfo);
Assert.AreEqual("142 164 186 114 25 5 88 102", HighLevelEncodeTestCase.visualize(s));
//"A" encoded (ASCII encoding + 2 padding characters)
cw = new char[] { (char)66, (char)129, (char)70 };
s = ErrorCorrection.encodeECC200(String.Join("", cw), symbolInfo);
Assert.AreEqual("66 129 70 138 234 82 82 95", HighLevelEncodeTestCase.visualize(s));
}
public override void WriteInitializationScript(System.IO.TextWriter writer)
{
if (ErrorCorrection != DefaultErrorCorrection)
{
Options["errorCorrection"] = ErrorCorrection.ToString();
}
if (Encoding != DefaultEncoding)
{
Options["encoding"] = Encoding.ToString();
}
if (!string.IsNullOrEmpty(Value))
{
Options["value"] = Value;
}
if (RenderAs.HasValue)
{
Options["renderAs"] = RenderAs.ToString().ToLowerInvariant();
}
if (!string.IsNullOrEmpty(Background))
{
Options["background"] = Background;
}
if (!string.IsNullOrEmpty(Color))
{
Options["color"] = Color;
}
if (this.Size.HasValue)
{
Options["size"] = Size;
}
if (this.Border.ShouldSerialize())
{
Options["border"] = Border.ToJson();
}
if (Padding.HasValue)
{
Options["padding"] = Padding;
}
writer.Write(Initializer.Initialize(Selector, "QRCode", Options));
base.WriteInitializationScript(writer);
}
////////////////////////////////////////////////////////////////////
// Encode input byte array into QRCode boolean matrix
////////////////////////////////////////////////////////////////////
internal Byte[,] EncodeQRCode(
String[] SegDataString,
ErrorCorrection ErrorCorrection
)
{
// save data string array
this.SegDataString = SegDataString;
if(SegDataString == null || SegDataString.Length == 0) throw new ApplicationException("Input data string is null or empty");
// create encoding mode array
SegEncodingMode = new EncodingMode[SegDataString.Length];
// create QR code boolean aray
return(EncodeQRCode(ErrorCorrection));
}
/// <summary>
/// Encode one string into QRCode boolean matrix
/// </summary>
/// <param name="ErrorCorrection">Error correction (L, M, Q, H)</param>
/// <param name="StringDataSegment">string data segment</param>
/// <returns>QR Code boolean matrix</returns>
public bool[,] Encode
(
ErrorCorrection ErrorCorrection,
string StringDataSegment
)
{
// empty
if (string.IsNullOrEmpty(StringDataSegment))
{
return(Encode(ErrorCorrection, (byte[][])null));
}
// convert string to byte array
return(Encode(ErrorCorrection, StrToByteArray(StringDataSegment)));
}
////////////////////////////////////////////////////////////////////
// Encode input byte array into QRCode boolean matrix
////////////////////////////////////////////////////////////////////
internal Byte[,] EncodeQRCode(
String DataString,
ErrorCorrection ErrorCorrection
)
{
// make sure data string is not empty
if(String.IsNullOrEmpty(DataString)) throw new ApplicationException("Input data string is null or empty");
// split input data string to segments delimited by SegmentMarker
SegDataString = DataString.Split(new Char[] {PdfQRCode.SegmentMarker}, StringSplitOptions.RemoveEmptyEntries);
if(SegDataString == null || SegDataString.Length == 0) throw new ApplicationException("Input data string is null or empty");
// create encoding mode array
SegEncodingMode = new EncodingMode[SegDataString.Length];
// create QR code boolean aray
return(EncodeQRCode(ErrorCorrection));
}
////////////////////////////////////////////////////////////////////
// Default constructor
////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////
// Encode input byte array into QRCode boolean matrix
////////////////////////////////////////////////////////////////////
internal void EncodeQRCode
(
string DataString,
ErrorCorrection ErrorCorrection,
int QuietZone
)
{
// make sure data string is not empty
if (string.IsNullOrEmpty(DataString))
{
throw new ApplicationException("Input data string is null or empty");
}
// split input data string to segments delimited by SegmentMarker
SegDataString = DataString.Split(new[] { PdfQRCode.SegmentMarker }, StringSplitOptions.RemoveEmptyEntries);
// create QR code boolean aray
EncodeQRCode(ErrorCorrection, QuietZone);
}
////////////////////////////////////////////////////////////////////
// Encode input byte array into QRCode boolean matrix
////////////////////////////////////////////////////////////////////
internal Byte[,] EncodeQRCode
(
String[] SegDataString,
ErrorCorrection ErrorCorrection
)
{
// save data string array
this.SegDataString = SegDataString;
if (SegDataString == null || SegDataString.Length == 0)
{
throw new ApplicationException("Input data string is null or empty");
}
// create encoding mode array
SegEncodingMode = new EncodingMode[SegDataString.Length];
// create QR code boolean aray
return(EncodeQRCode(ErrorCorrection));
}
////////////////////////////////////////////////////////////////////
// Write object to PDF file
////////////////////////////////////////////////////////////////////
internal void ConstructorHelper
(
string DataString,
string[] SegDataString,
ErrorCorrection ErrorCorrection,
int QuietZone = 4
)
{
// create QR Code object
var Encoder = new QREncoder();
if (DataString != null)
{
Encoder.EncodeQRCode(DataString, ErrorCorrection, QuietZone);
}
else
{
Encoder.EncodeQRCode(SegDataString, ErrorCorrection, QuietZone);
}
// output matrix
// NOTE: Black=true, White=flase
BWImage = Encoder.OutputMatrix;
// image width and height in pixels
MatrixDimension = Encoder.MatrixDimension;
WidthPix = MatrixDimension + 2 * QuietZone;
HeightPix = WidthPix;
// image control for QR code
ImageControl = new PdfImageControl
{
ReverseBW = true,
SaveAs = SaveImageAs.BWImage
};
// write stream object
WriteObjectToPdfFile();
}
private XtraReport ReturnErrorCorrectionReport(int unitIdTo, int manufacturerIdTo, DataView dataView,
decimal conversionFactor, int IDPRinted,
bool changeExpiryDate = false, DateTime?expiryDate = null,
bool changeBatchNo = false, string batchNo = null)
{
Item item = new Item();
item.LoadByPrimaryKey(ItemIDTo);
ItemUnit itemUnit = new ItemUnit();
itemUnit.LoadByPrimaryKey(unitIdTo);
Manufacturer manufacturer = new Manufacturer();
manufacturer.LoadByPrimaryKey(manufacturerIdTo);
Item itemFrom = new Item();
itemFrom.LoadByPrimaryKey(ItemID);
ItemUnit ItemUnitFrom = new ItemUnit();
ItemUnitFrom.LoadByPrimaryKey(Convert.ToInt32(lkUnit.EditValue));
Manufacturer manufacturerFrom = new Manufacturer();
manufacturerFrom.LoadByPrimaryKey(Convert.ToInt32(lkManufacturer.EditValue));
dataView.RowFilter = "pickedQty > 0";
foreach (DataRowView dataRowView in dataView)
{
decimal pack = Convert.ToDecimal(dataRowView["PickedQty"]);
dataRowView["ChangedQty"] = Convert.ToDecimal(pack * Convert.ToDecimal(conversionFactor));
}
XtraReport xtraReport = new ErrorCorrection(IDPRinted, item.StockCode, item.FullItemName, itemUnit.Text,
manufacturer.Name, item.StockCode,
itemFrom.FullItemName, ItemUnitFrom.Text, manufacturerFrom.Name,
changeExpiryDate, expiryDate, changeBatchNo, batchNo);
xtraReport.DataSource = dataView;
return(xtraReport);
}
////////////////////////////////////////////////////////////////////
// Constructor
////////////////////////////////////////////////////////////////////
public PdfQRCode
(
PdfDocument Document,
String DataString,
ErrorCorrection ErrorCorrection
) : base(Document, true, "/XObject")
{
// create resource code
ResourceCode = Document.GenerateResourceNumber('X');
// create QR Code object
QREncoder Encoder = new QREncoder();
QRCodeMatrix = Encoder.EncodeQRCode(DataString, ErrorCorrection);
MatrixDimension = Encoder.MatrixDimension;
// create stream length object
ImageLengthObject = new PdfObject(Document, false);
AddToDictionary("/Length", ImageLengthObject.ObjectNumber.ToString() + " 0 R");
// exit
return;
}
////////////////////////////////////////////////////////////////////
// Initialization
////////////////////////////////////////////////////////////////////
private void Initialization(
ErrorCorrection ErrorCorrection
)
{
// save arguments
this.ErrorCorrection = ErrorCorrection;
// save error correction
if(ErrorCorrection != ErrorCorrection.L && ErrorCorrection != ErrorCorrection.M &&
ErrorCorrection != ErrorCorrection.Q && ErrorCorrection != ErrorCorrection.H)
throw new ApplicationException("Invalid error correction mode. Must be L, M, Q or H.");
// reset to tal encoded data bits
EncodedDataBits = 0;
// loop for all segments
for(Int32 SegIndex = 0; SegIndex < SegDataString.Length; SegIndex++)
{
// input string length
String DataStr = SegDataString[SegIndex];
Int32 DataLength = DataStr.Length;
// find encoding mode
EncodingMode EncodingMode = EncodingMode.Numeric;
for(Int32 Index = 0; Index < DataLength; Index++)
{
Int32 Value = (Int32) DataStr[Index];
if(Value > 255) throw new ApplicationException("Input string characters must be 0 to 255.");
Int32 Code = EncodingTable[Value];
if(Code < 10) continue;
if(Code < 45)
{
EncodingMode = EncodingMode.AlphaNumeric;
continue;
}
EncodingMode = EncodingMode.Byte;
break;
}
// calculate required bit length
Int32 DataBits = 4;
switch(EncodingMode)
{
case EncodingMode.Numeric:
DataBits += 10 * (DataLength / 3);
if((DataLength % 3) == 1) DataBits += 4;
else if((DataLength % 3) == 2) DataBits += 7;
break;
case EncodingMode.AlphaNumeric:
DataBits += 11 * (DataLength / 2);
if((DataLength & 1) != 0) DataBits += 6;
break;
case EncodingMode.Byte:
DataBits += 8 * DataLength;
break;
}
SegEncodingMode[SegIndex] = EncodingMode;
EncodedDataBits += DataBits;
}
// version is not defined yet, find best version
Int32 TotalDataLenBits = 0;
for(Version = 1; Version <= 40; Version++)
{
// number of bits on each side of the QR code square
MatrixDimension = MatrixDimensionArray[Version];
SetDataCodewordsLength();
TotalDataLenBits = 0;
for(Int32 Seg = 0; Seg < SegEncodingMode.Length; Seg++) TotalDataLenBits += DataLengthBits(SegEncodingMode[Seg]);
if(EncodedDataBits + TotalDataLenBits <= MaxDataBits) break;
}
if(Version > 40) throw new ApplicationException("Input data string is too long");
EncodedDataBits += TotalDataLenBits;
return;
}
////////////////////////////////////////////////////////////////////
// Encode input byte array into QRCode boolean matrix
////////////////////////////////////////////////////////////////////
private Byte[,] EncodeQRCode(
ErrorCorrection ErrorCorrection
)
{
// initialization
Initialization(ErrorCorrection);
// encode data
EncodeData();
// calculate error correction
CalculateErrorCorrection();
// iterleave data and error correction codewords
InterleaveBlocks();
// build base matrix
BuildBaseMatrix();
// load base matrix with data and error correction codewords
LoadMatrixWithData();
// data masking
SelectBastMask();
// add format information (error code level and mask code)
AddFormatInformation();
// output array
return(ResultMatrix);
}
public static ZPLCommand BQ(int qrVersion, int magnificationFactor, ErrorCorrection errorCorrection, int maskValue)
=> new ZPLCommand("^BQ", 'N', qrVersion, magnificationFactor, (char)errorCorrection, maskValue);
/// <summary>
/// Encode data segments array into QRCode boolean matrix
/// </summary>
/// <param name="ErrorCorrection">Error correction (L, M, Q, H)</param>
/// <param name="DataSegArray">Data array of byte arrays</param>
/// <returns>QR Code boolean matrix</returns>
public bool[,] Encode
(
ErrorCorrection ErrorCorrection,
byte[][] DataSegArray
)
{
// reset result variables
QRCodeMatrix = null;
QRCodeVersion = 0;
QRCodeDimension = 0;
// test error correction
if (ErrorCorrection != ErrorCorrection.L && ErrorCorrection != ErrorCorrection.M &&
ErrorCorrection != ErrorCorrection.Q && ErrorCorrection != ErrorCorrection.H)
{
throw new ApplicationException("Invalid error correction mode. Must be L, M, Q or H.");
}
// test data segments array
if (DataSegArray == null || DataSegArray.Length == 0)
{
throw new ApplicationException("Input data segment argument is missing.");
}
// loop for all segments
int Bytes = 0;
for (int SegIndex = 0; SegIndex < DataSegArray.Length; SegIndex++)
{
// input string length
byte[] DataSeg = DataSegArray[SegIndex];
if (DataSeg == null)
{
DataSegArray[SegIndex] = new byte[0];
}
else
{
Bytes += DataSeg.Length;
}
}
if (Bytes == 0)
{
throw new ApplicationException("There is nothing to encode.");
}
// save error correction
this.ErrorCorrection = ErrorCorrection;
// save data segments array
this.DataSegArray = DataSegArray;
// initialization
Initialization();
// encode data
EncodeData();
// calculate error correction
CalculateErrorCorrection();
// iterleave data and error correction codewords
InterleaveBlocks();
// build base matrix
BuildBaseMatrix();
// load base matrix with data and error correction codewords
LoadMatrixWithData();
// data masking
SelectBastMask();
// add format information (error code level and mask code)
AddFormatInformation();
// output matrix size in pixels
QRCodeMatrix = new bool[QRCodeDimension, QRCodeDimension];
// convert result matrix to output matrix
// Black=true, White=false
for (int Row = 0; Row < QRCodeDimension; Row++)
{
for (int Col = 0; Col < QRCodeDimension; Col++)
{
if ((ResultMatrix[Row, Col] & 1) != 0)
{
QRCodeMatrix[Row, Col] = true;
}
}
}
// exit with result
return(QRCodeMatrix);
}
private void EncodeButton_Click(object sender, EventArgs e)
{
// get error correction code
ErrorCorrection ErrorCorrection = (ErrorCorrection)ErrorCorrectionComboBox.SelectedIndex;
// get data for QR Code
StringBuilder b = new StringBuilder();
if (lsvThietBi.SelectedIndices.Count > 0)
{
b.AppendLine(this.label1.Text + ":" + lsvThietBi.SelectedItems[0].SubItems[0].Text);
b.AppendLine(this.label2.Text + ":" + lsvThietBi.SelectedItems[0].SubItems[1].Text);
b.AppendLine(this.label3.Text + ":" + lsvThietBi.SelectedItems[0].SubItems[2].Text);
b.AppendLine(this.label4.Text + ":" + lsvThietBi.SelectedItems[0].SubItems[3].Text);
b.AppendLine(this.label5.Text + ":" + lsvThietBi.SelectedItems[0].SubItems[4].Text);
b.AppendLine(this.label6.Text + ":" + lsvThietBi.SelectedItems[0].SubItems[5].Text);
b.AppendLine(this.label7.Text + ":" + lsvThietBi.SelectedItems[0].SubItems[6].Text);
b.AppendLine(this.label8.Text + ":" + lsvThietBi.SelectedItems[0].SubItems[7].Text);
b.AppendLine(this.label9.Text + ":" + lsvThietBi.SelectedItems[0].SubItems[8].Text);
b.AppendLine(this.label10.Text + ":" + lsvThietBi.SelectedItems[0].SubItems[9].Text);
b.AppendLine(this.label12.Text + ":" + lsvThietBi.SelectedItems[0].SubItems[10].Text);
}
else
{
MessageBox.Show("You don't choose data!");
return;
}
string Data = b.ToString();
// save state
ProgramState.State.EncodeErrorCorrection = ErrorCorrection;
ProgramState.State.EncodeData = Data;
ProgramState.SaveState();
// disable buttons
EnableButtons(false);
try
{
// multi segment
if (SeparatorCheckBox.Checked && Data.IndexOf('|') >= 0)
{
string[] Segments = Data.Split(new char[] { '|' }, StringSplitOptions.RemoveEmptyEntries);
// encode data
QRCodeEncoder.Encode(ErrorCorrection, Segments);
}
// single segment
else
{
// encode data
QRCodeEncoder.Encode(ErrorCorrection, Data);
}
// create bitmap
QRCodeImage = QRCodeToBitmap.CreateBitmap(QRCodeEncoder, 4, 8);
}
catch (Exception Ex)
{
MessageBox.Show("Encoding exception.\r\n" + Ex.Message);
}
// enable buttons
EnableButtons(true);
// repaint panel
Invalidate();
return;
}
/// <summary>
/// Create a QR symbol that represents the supplied `data' with the indicated minimum level of error correction.
/// </summary>
/// <param name="data"></param>
/// <param name="type"></param>
/// <param name="errorCorrection"></param>
public QRCode(string data, ErrorCorrection minimumErrorCorrection)
: this(data, minimumErrorCorrection, false)
{
}
////////////////////////////////////////////////////////////////////
/// <summary>
/// PDF QR Code constructor
/// </summary>
/// <param name="Document">Parent PDF document.</param>
/// <param name="SegDataString">Data string array to encode.</param>
/// <param name="ErrorCorrection">Error correction code.</param>
/// <remarks>
/// The program will calculate the best encoding mode for each segment.
/// </remarks>
////////////////////////////////////////////////////////////////////
public PdfQRCode(
PdfDocument Document,
String[] SegDataString,
ErrorCorrection ErrorCorrection
)
: base(Document, ObjectType.Stream, "/XObject")
{
// create resource code
ResourceCode = Document.GenerateResourceNumber('X');
// create QR Code object
QREncoder Encoder = new QREncoder();
QRCodeMatrix = Encoder.EncodeQRCode(SegDataString, ErrorCorrection);
MatrixDimension = Encoder.MatrixDimension;
// create stream length object
ImageLengthObject = new PdfObject(Document, ObjectType.Other);
Dictionary.AddIndirectReference("/Length", ImageLengthObject);
// exit
return;
}
/// <summary>
/// encodes the content to a BitMatrix
/// </summary>
/// <param name="contents"></param>
/// <param name="format"></param>
/// <param name="width"></param>
/// <param name="height"></param>
/// <param name="hints"></param>
/// <returns></returns>
public BitMatrix encode(String contents, BarcodeFormat format, int width, int height, IDictionary <EncodeHintType, object> hints)
{
if (String.IsNullOrEmpty(contents))
{
throw new ArgumentException("Found empty contents", contents);
}
if (format != BarcodeFormat.DATA_MATRIX)
{
throw new ArgumentException("Can only encode DATA_MATRIX, but got " + format);
}
if (width < 0 || height < 0)
{
throw new ArgumentException("Requested dimensions can't be negative: " + width + 'x' + height);
}
// Try to get force shape & min / max size
var shape = SymbolShapeHint.FORCE_NONE;
var defaultEncodation = Encodation.ASCII;
Dimension minSize = null;
Dimension maxSize = null;
if (hints != null)
{
if (hints.ContainsKey(EncodeHintType.DATA_MATRIX_SHAPE))
{
var requestedShape = hints[EncodeHintType.DATA_MATRIX_SHAPE];
if (requestedShape is SymbolShapeHint)
{
shape = (SymbolShapeHint)requestedShape;
}
else
{
if (Enum.IsDefined(typeof(SymbolShapeHint), requestedShape.ToString()))
{
shape = (SymbolShapeHint)Enum.Parse(typeof(SymbolShapeHint), requestedShape.ToString(), true);
}
}
}
var requestedMinSize = hints.ContainsKey(EncodeHintType.MIN_SIZE) ? hints[EncodeHintType.MIN_SIZE] as Dimension : null;
if (requestedMinSize != null)
{
minSize = requestedMinSize;
}
var requestedMaxSize = hints.ContainsKey(EncodeHintType.MAX_SIZE) ? hints[EncodeHintType.MAX_SIZE] as Dimension : null;
if (requestedMaxSize != null)
{
maxSize = requestedMaxSize;
}
if (hints.ContainsKey(EncodeHintType.DATA_MATRIX_DEFAULT_ENCODATION))
{
var requestedDefaultEncodation = hints[EncodeHintType.DATA_MATRIX_DEFAULT_ENCODATION];
if (requestedDefaultEncodation != null)
{
defaultEncodation = Convert.ToInt32(requestedDefaultEncodation.ToString());
}
}
}
//1. step: Data encodation
String encoded = HighLevelEncoder.encodeHighLevel(contents, shape, minSize, maxSize, defaultEncodation);
SymbolInfo symbolInfo = SymbolInfo.lookup(encoded.Length, shape, minSize, maxSize, true);
//2. step: ECC generation
String codewords = ErrorCorrection.encodeECC200(encoded, symbolInfo);
//3. step: Module placement in Matrix
var placement = new DefaultPlacement(codewords, symbolInfo.getSymbolDataWidth(), symbolInfo.getSymbolDataHeight());
placement.place();
//4. step: low-level encoding
return(encodeLowLevel(placement, symbolInfo, width, height));
}
/// <summary>
/// Choose suitable values for Type, Version, ErrorCorrection and Mode.
/// </summary>
/// <param name="data"></param>
/// <returns></returns>
private Mode ChooseParameters(string data, ErrorCorrection minimumErrorCorrection, bool allowMicroCodes)
{
// get list of error correction modes at least as good as the user-specified one
var allowedErrorCorrectionModes = new ErrorCorrection[]
{
ErrorCorrection.None,
ErrorCorrection.L,
ErrorCorrection.M,
ErrorCorrection.Q,
ErrorCorrection.H,
}.SkipWhile(e => e != minimumErrorCorrection).ToList();
// get the tightest-fit encoding mode
Mode tightestMode;
if (data.All(c => Char.IsDigit(c)))
tightestMode = Mode.Numeric;
else if (data.All(c => AlphaNumericTable.ContainsKey(c)))
tightestMode = Mode.AlphaNumeric;
else
tightestMode = Mode.Byte;
// get list of allowed encoding modes
var allowedModes = new Mode[]
{
Mode.Numeric,
Mode.AlphaNumeric,
Mode.Byte
}.SkipWhile(m => m != tightestMode).ToList();
// get list of possible types
List<Tuple<SymbolType, byte>> possibleTypes =
allowMicroCodes
? Enumerable.Concat(
Enumerable.Range(1, 4).Select(i => Tuple.Create(SymbolType.Micro, (byte)i)),
Enumerable.Range(1, 40).Select(i => Tuple.Create(SymbolType.Normal, (byte)i))).ToList()
: Enumerable.Range(1, 40).Select(i => Tuple.Create(SymbolType.Normal, (byte)i)).ToList();
// for each type in ascending order of size
foreach (var p in possibleTypes)
{
// for each error correction level from most to least
foreach (var e in allowedErrorCorrectionModes.Intersect(GetAvailableErrorCorrectionLevels(p.Item1, p.Item2)).Reverse())
{
// lookup the data capacity
var capacityEntry = DataCapacityTable.First(f => f.Item1 == p.Item1 && f.Item2 == p.Item2 && f.Item3 == e).Item4;
// for each encoding mode from tightest to loosest
foreach (var m in allowedModes.Intersect(GetAvailableModes(p.Item1, p.Item2)))
{
int capacity = 0;
switch (m)
{
case Mode.Numeric: capacity = capacityEntry.Item2; break;
case Mode.AlphaNumeric: capacity = capacityEntry.Item3; break;
case Mode.Byte: capacity = capacityEntry.Item4; break;
default: capacity = 0; break;
}
// if there is enough room, we've found our solution
if (capacity >= data.Length)
{
Type = p.Item1;
Version = p.Item2;
ErrorCorrection = e;
return m;
}
}
}
}
throw new InvalidOperationException("no suitable parameters found");
}
/// <summary>
/// Create a QR symbol that represents the supplied `data' with the indicated minimum level of error correction.
/// </summary>
public QRCode(string data, ErrorCorrection minimumErrorCorrection, bool allowMicroCodes)
{
var mode = ChooseParameters(data, minimumErrorCorrection, allowMicroCodes);
var codeWords = CreateCodeWords(data, mode);
var bits = AddErrorCorrection(codeWords);
Reserve();
Fill(bits);
var mask = Mask();
AddFormatInformation(mask);
AddVersionInformation();
}
/// <summary>
/// Initializes a new instance of the <see cref="Decoder"/> class.
/// </summary>
public Decoder()
{
errorCorrection = new ErrorCorrection();
}
private void OnEncode(object sender, EventArgs e)
{
// get error correction code
ErrorCorrection ErrorCorrection = (ErrorCorrection)ErrorCorrectionComboBox.SelectedIndex;
// get module size
string ModuleStr = ModuleSizeTextBox.Text.Trim();
if (!int.TryParse(ModuleStr, out int ModuleSize) || ModuleSize < 1 || ModuleSize > 100)
{
MessageBox.Show("Module size error.");
return;
}
// get quiet zone
string QuietStr = QuietZoneTextBox.Text.Trim();
if (!int.TryParse(QuietStr, out int QuietZone) || QuietZone < 1 || QuietZone > 100)
{
MessageBox.Show("Quiet zone error.");
return;
}
// get data for QR Code
string Data = DataTextBox.Text.Trim();
if (Data.Length == 0)
{
MessageBox.Show("Data must not be empty.");
return;
}
// disable buttons
EnableButtons(false);
try
{
QRCodeEncoder.ErrorCorrection = ErrorCorrection;
QRCodeEncoder.ModuleSize = ModuleSize;
QRCodeEncoder.QuietZone = QuietZone;
// multi segment
if (SeparatorCheckBox.Checked && Data.IndexOf('|') >= 0)
{
string[] Segments = Data.Split(new char[] { '|' }, StringSplitOptions.RemoveEmptyEntries);
// encode data
QRCodeEncoder.Encode(Segments);
}
// single segment
else
{
// encode data
QRCodeEncoder.Encode(Data);
}
// create bitmap
QRCodeImage = QRCodeEncoder.CreateQRCodeBitmap();
}
catch (Exception Ex)
{
MessageBox.Show("Encoding exception.\r\n" + Ex.Message);
}
// enable buttons
EnableButtons(true);
// repaint panel
Invalidate();
return;
}
////////////////////////////////////////////////////////////////////
// Initialization
////////////////////////////////////////////////////////////////////
private void Initialization
(
ErrorCorrection ErrorCorrection
)
{
// save arguments
this.ErrorCorrection = ErrorCorrection;
// save error correction
if (ErrorCorrection != ErrorCorrection.L && ErrorCorrection != ErrorCorrection.M &&
ErrorCorrection != ErrorCorrection.Q && ErrorCorrection != ErrorCorrection.H)
{
throw new ApplicationException("Invalid error correction mode. Must be L, M, Q or H.");
}
// reset to tal encoded data bits
EncodedDataBits = 0;
// loop for all segments
for (Int32 SegIndex = 0; SegIndex < SegDataString.Length; SegIndex++)
{
// input string length
String DataStr = SegDataString[SegIndex];
Int32 DataLength = DataStr.Length;
// find encoding mode
EncodingMode EncodingMode = EncodingMode.Numeric;
for (Int32 Index = 0; Index < DataLength; Index++)
{
Int32 Value = (Int32)DataStr[Index];
if (Value > 255)
{
throw new ApplicationException("Input string characters must be 0 to 255.");
}
Int32 Code = EncodingTable[Value];
if (Code < 10)
{
continue;
}
if (Code < 45)
{
EncodingMode = EncodingMode.AlphaNumeric;
continue;
}
EncodingMode = EncodingMode.Byte;
break;
}
// calculate required bit length
Int32 DataBits = 4;
switch (EncodingMode)
{
case EncodingMode.Numeric:
DataBits += 10 * (DataLength / 3);
if ((DataLength % 3) == 1)
{
DataBits += 4;
}
else if ((DataLength % 3) == 2)
{
DataBits += 7;
}
break;
case EncodingMode.AlphaNumeric:
DataBits += 11 * (DataLength / 2);
if ((DataLength & 1) != 0)
{
DataBits += 6;
}
break;
case EncodingMode.Byte:
DataBits += 8 * DataLength;
break;
}
SegEncodingMode[SegIndex] = EncodingMode;
EncodedDataBits += DataBits;
}
// version is not defined yet, find best version
Int32 TotalDataLenBits = 0;
for (Version = 1; Version <= 40; Version++)
{
// number of bits on each side of the QR code square
MatrixDimension = MatrixDimensionArray[Version];
SetDataCodewordsLength();
TotalDataLenBits = 0;
for (Int32 Seg = 0; Seg < SegEncodingMode.Length; Seg++)
{
TotalDataLenBits += DataLengthBits(SegEncodingMode[Seg]);
}
if (EncodedDataBits + TotalDataLenBits <= MaxDataBits)
{
break;
}
}
if (Version > 40)
{
throw new ApplicationException("Input data string is too long");
}
EncodedDataBits += TotalDataLenBits;
return;
}
