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ReadRequest Class

Summary

The ReadRequest object provides options for the Leadtools.Services.Barcode.ServiceContracts.IBarcodeService.Read operation.

Syntax

C#
VB
C++
[DataContractAttribute(Namespace="http://Leadtools.Services.Barcode.DataContracts/2009/01", Name="ReadRequest")] 
public class ReadRequest 
  
<DataContractAttribute(Namespace="http://Leadtools.Services.Barcode.DataContracts/2009/01", Name="ReadRequest")> 
Public Class ReadRequest  
[DataContractAttribute(Namespace="http://Leadtools.Services.Barcode.DataContracts/2009/01", Name="ReadRequest")] 
public ref class ReadRequest  

Example

C#
VB
using Leadtools.Services; 
using Leadtools.Services.Barcode.ServiceContracts; 
using Leadtools.Services.Barcode.ServiceImplementations; 
 
public void ReadExample() 
{ 
   BarcodeServiceClient client = new BarcodeServiceClient(); 
 
   RawBinaryData sourceBinaryData = new RawBinaryData(); 
   sourceBinaryData.Data = File.ReadAllBytes(LeadtoolsExamples.Common.ImagesPath.Path + "barcode2.tif"); 
 
   LeadRectangle searchRectangle = new LeadRectangle(); 
   searchRectangle.X = 0; 
   searchRectangle.Y = 0; 
   searchRectangle.Width = 0; 
   searchRectangle.Height = 0; 
 
   Barcode1d bar1d = new Barcode1d(); 
 
   bar1d.Direction = BarcodeDirectionFlags.LeftToRight; 
   bar1d.ErrorCheck = true; 
   bar1d.Granularity = 9; 
   bar1d.MaximumLength = 3; 
   bar1d.MinimumLength = 1; 
   bar1d.WhiteLines = 3; 
   bar1d.OutShowText = true; 
   bar1d.StandardFlags = Barcode1dStandardFlags.Barcode1dNormal; 
 
   BarcodeReadPdf barPDF = new BarcodeReadPdf(); 
   barPDF.Direction = BarcodeDirectionFlags.LeftToRight; 
 
   BarcodeColor barColor = new BarcodeColor(); 
   barColor.BarColor = "Black"; 
   barColor.SpaceColor = "White"; 
 
   ReadOptions options = new ReadOptions(); 
 
   ReadBarcode1d4State barcode1d4State = new ReadBarcode1d4State(); 
   barcode1d4State.Flags = ReadBarcode1d4StateFlags.AustralianPost; 
   options.Add(barcode1d4State); 
 
   ReadBarcode1dStandard barcode1dStandard = new ReadBarcode1dStandard(); 
   barcode1dStandard.Flags = ReadBarcodeStandardFlags.All; 
   options.Add(barcode1dStandard); 
 
   ReadBarcode2DQr barcode2DQr = new ReadBarcode2DQr(); 
   barcode2DQr.Flags = ReadBarcode2DQrFlags.QrCode; 
   options.Add(barcode2DQr); 
 
   ReadBarcode2DPdf417 barcode2DPdf417 = new ReadBarcode2DPdf417(); 
   barcode2DPdf417.Flags = ReadBarcode2DPdf417Flags.Pdf417; 
   options.Add(barcode2DPdf417); 
 
   ReadBarcode2DMicroPdf417 barcode2DMicroPdf417 = new ReadBarcode2DMicroPdf417(); 
   barcode2DMicroPdf417.Flags = ReadBarcode2DMicroPdf417Flags.MicroPdf417; 
   options.Add(barcode2DMicroPdf417); 
 
 
   ReadRequest request = new ReadRequest(); 
 
   request.Code1d = bar1d; 
   request.CodeColor = barColor; 
   request.CodePdf = barPDF; 
   request.MultipleMaxCount = 0; 
   request.Options = options; 
   request.ReadFlags = BarcodeReadFlags.BlockSearch | BarcodeReadFlags.Markers; 
   request.SearchRectangle = searchRectangle; 
   request.Source = sourceBinaryData; 
   request.TypeFlags = BarcodeMajorTypeFlags.Barcodes1d | BarcodeMajorTypeFlags.Barcodes2dRead | BarcodeMajorTypeFlags.BarcodesQrRead; 
   request.Unit = BarcodeUnit.ScanlinesPerPixels; 
 
 
   ReadResponse response = client.Read(request); 
 
   if (response.Barcodes != null) 
   { 
      string barcodeMsg = string.Format("Total Bar Code Symbols Found = {0}", response.Barcodes.Count); 
      Console.WriteLine(barcodeMsg); 
 
      int i = 0; 
      foreach (BarcodeData data in response.Barcodes) 
      { 
         i++; 
         barcodeMsg = string.Format("No. {0}\nType {1}\nUnits {2}\nPosX {3}\nPosY {4}\nWidth {5}\nHeight {6}\nGroup {7}\nDuplicate Index {8}\n", 
            i, 
            data.Type.ToString(), 
            data.Unit.ToString(), 
            data.Location.X.ToString(), 
            data.Location.Y.ToString(), 
            data.Location.Width.ToString(), 
            data.Location.Height.ToString(), 
            data.Group.ToString(), 
            data.IndexDuplicate.ToString()); 
 
         Console.WriteLine(barcodeMsg); 
      } 
   } 
 
   client.Close(); 
} 
Imports Leadtools.Services 
Imports Leadtools.Services.Barcode.ServiceContracts 
Imports Leadtools.Services.Barcode.ServiceImplementations 
 
Public Sub ReadExample() 
   Dim client As BarcodeServiceClient = New BarcodeServiceClient() 
 
   Dim sourceBinaryData As RawBinaryData = New RawBinaryData() 
   sourceBinaryData.Data = File.ReadAllBytes(Path.Combine(LEAD_VARS.ImagesDir, "barcode2.tif")) 
 
   Dim searchRectangle As LeadRectangle = New LeadRectangle() 
   searchRectangle.X = 0 
   searchRectangle.Y = 0 
   searchRectangle.Width = 0 
   searchRectangle.Height = 0 
 
   Dim bar1d As Barcode1d = New Barcode1d() 
 
   bar1d.Direction = BarcodeDirectionFlags.LeftToRight 
   bar1d.ErrorCheck = True 
   bar1d.Granularity = 9 
   bar1d.MaximumLength = 3 
   bar1d.MinimumLength = 1 
   bar1d.WhiteLines = 3 
   bar1d.OutShowText = True 
   bar1d.StandardFlags = Barcode1dStandardFlags.Barcode1dNormal 
 
   Dim barPDF As BarcodeReadPdf = New BarcodeReadPdf() 
   barPDF.Direction = BarcodeDirectionFlags.LeftToRight 
 
   Dim barColor As BarcodeColor = New BarcodeColor() 
   barColor.BarColor = "Black" 
   barColor.SpaceColor = "White" 
 
   Dim options As ReadOptions = New ReadOptions() 
 
   Dim barcode1d4State As ReadBarcode1d4State = New ReadBarcode1d4State() 
   barcode1d4State.Flags = ReadBarcode1d4StateFlags.AustralianPost 
   options.Add(barcode1d4State) 
 
   Dim barcode1dStandard As ReadBarcode1dStandard = New ReadBarcode1dStandard() 
   barcode1dStandard.Flags = ReadBarcodeStandardFlags.All 
   options.Add(barcode1dStandard) 
 
   Dim barcode2DQr As ReadBarcode2DQr = New ReadBarcode2DQr() 
   barcode2DQr.Flags = ReadBarcode2DQrFlags.QrCode 
   options.Add(barcode2DQr) 
 
   Dim barcode2DPdf417 As ReadBarcode2DPdf417 = New ReadBarcode2DPdf417() 
   barcode2DPdf417.Flags = ReadBarcode2DPdf417Flags.Pdf417 
   options.Add(barcode2DPdf417) 
 
   Dim barcode2DMicroPdf417 As ReadBarcode2DMicroPdf417 = New ReadBarcode2DMicroPdf417() 
   barcode2DMicroPdf417.Flags = ReadBarcode2DMicroPdf417Flags.MicroPdf417 
   options.Add(barcode2DMicroPdf417) 
 
 
   Dim request As ReadRequest = New ReadRequest() 
 
   request.Code1d = bar1d 
   request.CodeColor = barColor 
   request.CodePdf = barPDF 
   request.MultipleMaxCount = 0 
   request.Options = options 
   request.ReadFlags = BarcodeReadFlags.BlockSearch Or BarcodeReadFlags.Markers 
   request.SearchRectangle = searchRectangle 
   request.Source = sourceBinaryData 
   request.TypeFlags = BarcodeMajorTypeFlags.Barcodes1d Or BarcodeMajorTypeFlags.Barcodes2dRead Or BarcodeMajorTypeFlags.BarcodesQrRead 
   request.Unit = BarcodeUnit.ScanlinesPerPixels 
 
 
   Dim response As ReadResponse = client.Read(request) 
 
   If Not response.Barcodes Is Nothing Then 
      Dim barcodeMsg As String = String.Format("Total Bar Code Symbols Found = {0}", response.Barcodes.Count) 
      Console.WriteLine(barcodeMsg) 
 
      Dim i As Integer = 0 
      For Each data As BarcodeData In response.Barcodes 
         i += 1 
         barcodeMsg = String.Format("No. {0}" & Constants.vbLf & "Type {1}" & Constants.vbLf & "Units {2}" & Constants.vbLf & "PosX {3}" & 
                                    Constants.vbLf & "PosY {4}" & Constants.vbLf & "Width {5}" & Constants.vbLf & "Height {6}" & 
                                    Constants.vbLf & "Group {7}" & Constants.vbLf & "Duplicate Index {8}" & Constants.vbLf, i, data.Type.ToString(), 
                                    data.Unit.ToString(), data.Location.X.ToString(), data.Location.Y.ToString(), data.Location.Width.ToString(), 
                                    data.Location.Height.ToString(), data.Group.ToString(), data.IndexDuplicate.ToString()) 
 
         Console.WriteLine(barcodeMsg) 
      Next 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 

Requirements

Target Platforms

Help Version 19.0.2017.10.27
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Leadtools.Services.Barcode.DataContracts Assembly