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Deskew Method
See Also 
Leadtools.Services.ImageProcessing.ServiceContracts Namespace > IDocumentProcessingService Interface : Deskew Method



request
A System.Runtime.Serialization.DataContractAttribute containing the data that will be used in this Deskew operation.

The Deskew Method is available in LEADTOOLS Document and Medical Imaging toolkits.

request
A System.Runtime.Serialization.DataContractAttribute containing the data that will be used in this Deskew operation.
Rotates the specified image to straighten it. This operation is typically used to automatically straighten scanned images. This operation is available in the Document\Medical Toolkits.

Syntax

Visual Basic (Declaration) 
<FaultContractAttribute(DetailType=Leadtools.Services.Raster.FaultContracts.RasterFault, 
   Action="", 
   Name="", 
   Namespace="", 
   ProtectionLevel=ProtectionLevel.None, 
   HasProtectionLevel=False)>
<OperationContractAttribute("Deskew")>
Function Deskew( _
   ByVal request As DeskewRequest _
) As DeskewResponse
Visual Basic (Usage)Copy Code
Dim instance As IDocumentProcessingService
Dim request As DeskewRequest
Dim value As DeskewResponse
 
value = instance.Deskew(request)
C# 
[FaultContractAttribute(DetailType=Leadtools.Services.Raster.FaultContracts.RasterFault, 
   Action="", 
   Name="", 
   Namespace="", 
   ProtectionLevel=ProtectionLevel.None, 
   HasProtectionLevel=false)]
[OperationContractAttribute("Deskew")]
DeskewResponse Deskew( 
   DeskewRequest request
)
C++/CLI 
[FaultContractAttribute(DetailType=Leadtools.Services.Raster.FaultContracts.RasterFault, 
   Action="", 
   Name="", 
   Namespace="", 
   ProtectionLevel=ProtectionLevel.None, 
   HasProtectionLevel=false)]
[OperationContractAttribute("Deskew")]
DeskewResponse^ Deskew( 
   DeskewRequest^ request
) 

Parameters

request
A System.Runtime.Serialization.DataContractAttribute containing the data that will be used in this Deskew operation.

Return Value

A System.Runtime.Serialization.DataContractAttribute containing the modified image resulting from the Deskew operation.

Example

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

      Dim convertOptions As RasterConvertOptions = New RasterConvertOptions()

      convertOptions.Source = sourceBinaryData
      convertOptions.Destination = Nothing
      convertOptions.Format = RasterImageFormat.Bmp
      convertOptions.FirstPage = 1
      convertOptions.LastPage = 1
      convertOptions.BitsPerPixel = 24
      convertOptions.QualityFactor = 2

      Dim request As DeskewRequest = New DeskewRequest()

      request.ConvertOptions = convertOptions
      request.RegionData = Nothing
      request.FillColor = "Red"
      request.Flags = DeskewCommandFlags.DeskewImage Or DeskewCommandFlags.DoNotFillExposedArea

      Dim response As CommandResponse = client.Deskew(request)
      If Not response.Destination Is Nothing Then
         If TypeOf response.Destination Is RawBinaryData Then
            File.WriteAllBytes(Path.Combine(LEAD_VARS.ImagesDir, "Deskew.bmp"), (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 DeskewExample()
   {
      DocumentProcessingServiceClient client = new DocumentProcessingServiceClient();
      RawBinaryData sourceBinaryData = new RawBinaryData();
      sourceBinaryData.Data = File.ReadAllBytes(Path.Combine(LEAD_VARS.ImagesDir,"clean.tif"));

      RasterConvertOptions convertOptions = new RasterConvertOptions();

      convertOptions.Source = sourceBinaryData;
      convertOptions.Destination = null;
      convertOptions.Format = RasterImageFormat.Bmp;
      convertOptions.FirstPage = 1;
      convertOptions.LastPage = 1;
      convertOptions.BitsPerPixel = 24;
      convertOptions.QualityFactor = 2;

      DeskewRequest request = new DeskewRequest();

      request.ConvertOptions = convertOptions;
      request.RegionData = null;
      request.FillColor = "Red";
      request.Flags = DeskewCommandFlags.DeskewImage | DeskewCommandFlags.DoNotFillExposedArea;

      CommandResponse response = client.Deskew(request);
      if (response.Destination != null)
      {
         if (response.Destination is RawBinaryData)
            File.WriteAllBytes(Path.Combine(LEAD_VARS.ImagesDir,"Deskew.bmp"), (response.Destination as RawBinaryData).Data);
      }

      client.Close();
   }

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

Remarks

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