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IOcrService Interface
See Also  Members   Example
Leadtools.Services.Forms.ServiceContracts Namespace : IOcrService Interface



Represents the WCF Service contract for the OCR service.

Syntax

Visual Basic (Declaration) 
<ServiceContractAttribute(Name="IOcrService", Namespace="http://Leadtools.Services.Forms.ServiceContracts/2009/01")>
Public Interface IOcrService 
Visual Basic (Usage)Copy Code
Dim instance As IOcrService
C# 
[ServiceContractAttribute(Name="IOcrService", Namespace="http://Leadtools.Services.Forms.ServiceContracts/2009/01")]
public interface IOcrService 
C++/CLI 
[ServiceContractAttribute(Name="IOcrService", Namespace="http://Leadtools.Services.Forms.ServiceContracts/2009/01")]
public interface class IOcrService 

Example

Visual BasicCopy Code
Public Sub DocumentConvertOptionsExample()
      Dim client As OcrServiceClient = New OcrServiceClient()
      Dim sourceBinaryData As RawBinaryData = New RawBinaryData()
      sourceBinaryData.Data = File.ReadAllBytes(Path.Combine(LEAD_VARS.ImagesDir, "clean.tif"))

      ' set the document convertion options
      Dim convertOptions As DocumentConvertOptions = New DocumentConvertOptions()

      convertOptions.Source = sourceBinaryData
      convertOptions.Destination = Nothing
      convertOptions.Format = OcrDocumentFormatType.TextAnsi
      convertOptions.FirstPageNumber = 1
      convertOptions.LastPageNumber = 1
      Dim files As DocumentFiles = Nothing

      Dim request As RecognizeRequest = New RecognizeRequest()
      request.ConvertOptions = convertOptions

      Dim response As RecognizeResponse = client.Recognize(request)

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

      client.Close()
   End Sub

Public NotInheritable Class LEAD_VARS
   Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class
C#Copy Code
public void DocumentConvertOptionsExample()
   {
      OcrServiceClient client = new OcrServiceClient();
      RawBinaryData sourceBinaryData = new RawBinaryData();
      sourceBinaryData.Data = File.ReadAllBytes(Path.Combine(LEAD_VARS.ImagesDir, "clean.tif"));

      // set the document convertion options
      DocumentConvertOptions convertOptions = new DocumentConvertOptions();

      convertOptions.Source = sourceBinaryData;
      convertOptions.Destination = null;
      convertOptions.Format = OcrDocumentFormatType.TextAnsi;
      convertOptions.FirstPageNumber = 1;
      convertOptions.LastPageNumber = 1;
      DocumentFiles files = null;

      RecognizeRequest request = new RecognizeRequest();
      request.ConvertOptions = convertOptions;

      RecognizeResponse response = client.Recognize(request);

      if (response.Destination != null)
      {
         if(response.Destination is RawBinaryData)
            File.WriteAllBytes(Path.Combine(LEAD_VARS.ImagesDir,"clean.txt"), (response.Destination as RawBinaryData).Data);
      }

      client.Close();
   }

static class LEAD_VARS
{
   public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}

Remarks

You can use the Recognize(RecognizeRequest) method to convert an image on a disk to a final document with any of the document formats supported by the specified engine.

Requirements

Target Platforms: Microsoft .NET Framework 3.0, Windows 2000, Windows XP, Windows Server 2003 family, Windows Server 2008 family, Windows Vista, Windows 7

See Also

Applications developed with LEADTOOLS WCF components require runtime licenses. Server licensing is required for applications on a server. For more information, refer to: Imaging Pro/Document/Medical Features