BarcodeWriteQr Class

'Declaration
 
<DataContractAttribute(Namespace="http://Leadtools.Services.Barcode.DataContracts/2009/01", Name="BarcodeWriteQr")>
Public Class BarcodeWriteQr 

Private Function ConvertFromStringArray(ByVal data As String()) As Byte()
      If data Is Nothing OrElse data.Length = 0 Then
         Return Nothing
      End If
      Dim list As New List(Of Byte())
      Dim ascii As ASCIIEncoding = New ASCIIEncoding()

      Dim length As Integer = 0
      Dim i As Integer = 0
      Do While i < data.Length
         Dim bytes As Byte() = ascii.GetBytes(data(i))
         list.Add(bytes)
         length += bytes.Length
         length += 1
         i += 1
      Loop

      Dim ret As Byte() = New Byte(length - 1) {}
      Dim index As Integer = 0
      i = 0
      Do While i < list.Count
         Dim bytes As Byte() = list(i)
         bytes.CopyTo(ret, index)
         index += bytes.Length + 1
         i += 1
      Loop

      Return ret
   End Function

   Public Sub BarcodeWriteQrExample()
      Dim client As BarcodeServiceClient = New BarcodeServiceClient()

      Dim sourceBinaryData As RawBinaryData = New RawBinaryData()
      sourceBinaryData.Data = File.ReadAllBytes(Path.Combine(LEAD_VARS.ImagesDir, "barcode1.tif"))

      Dim convertOptions As RasterConvertOptions = New RasterConvertOptions()
      convertOptions.Source = sourceBinaryData
      convertOptions.Destination = Nothing
      convertOptions.Format = RasterImageFormat.RasPdf
      convertOptions.FirstPage = 1
      convertOptions.LastPage = 1
      convertOptions.BitsPerPixel = 24
      convertOptions.QualityFactor = 2

      Dim rc As LeadRectangle = New LeadRectangle()
      rc.X = 100
      rc.Y = 100
      rc.Width = 0
      rc.Height = 0

      Dim barcodeText As String()
      barcodeText = New String(0) {}
      barcodeText(0) = "QR Default Size"

      Dim data As BarcodeData = New BarcodeData()
      data.Location = rc

      data.Data = ConvertFromStringArray(barcodeText)

      Dim barColor As BarcodeColor = New BarcodeColor()
      barColor.BarColor = "Black"
      barColor.SpaceColor = "White"

      Dim bar1d As Barcode1d = New Barcode1d()
      Dim barPDF As BarcodeWritePdf = New BarcodeWritePdf()
      Dim barDM As BarcodeWriteDatamatrix = New BarcodeWriteDatamatrix()

      Dim barQR As BarcodeWriteQr = New BarcodeWriteQr()
      barQR.EccLevel = BarcodeQrEccLevel.LevelL
      barQR.GroupNumber = 0
      barQR.GroupTotal = 0
      barQR.Justify = BarcodeJustifyFlags.Right
      barQR.XModule = 0

      Dim options As WriteOptions = New WriteOptions()

      Dim qr As WriteBarcode2DQr = New WriteBarcode2DQr()
      qr.Type = WriteBarcode2DQrType.Default
      qr.Data = data

      options.Add(qr)

      Dim request As WriteRequest = New WriteRequest()

      request.Code1d = bar1d
      request.CodeColor = barColor
      request.CodeDatamatrix = barDM
      request.CodePdf = barPDF
      request.CodeQr = barQR
      request.ConvertOptions = convertOptions
      request.TypeFlags = BarcodeMajorTypeFlags.BarcodesDatamatrixWrite
      request.Unit = BarcodeUnit.ScanlinesPerPixels
      request.WriteFlags = BarcodeWriteFlags.UseColors Or BarcodeWriteFlags.Transparent Or BarcodeWriteFlags.InitializationReader Or BarcodeWriteFlags.DisableCompression
      request.WriteOptions = options

      Dim response As WriteResponse = client.Write(request)

      If Not response.Destination Is Nothing Then
         File.WriteAllBytes(Path.Combine(LEAD_VARS.ImagesDir, "BarcodeWriteQR.Pdf"), (TryCast(response.Destination, RawBinaryData)).Data)
      End If

      client.Close()
   End Sub

Public NotInheritable Class LEAD_VARS
   Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class