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Deskew Method

Summary

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

C#
VB
C++
[FaultContractAttribute(System.Type)] 
[OperationContractAttribute(Action="Deskew", 
   AsyncPattern=false, 
   IsOneWay=false, 
   IsInitiating=true, 
   IsTerminating=false)] 
public DeskewResponse Deskew( 
   DeskewRequest request 
) 
  
<FaultContractAttribute(DetailType=Leadtools.Services.Raster.FaultContracts.RasterFault,  
   Action="",  
   Name="",  
   Namespace="",  
   ProtectionLevel=ProtectionLevel.None,  
   HasProtectionLevel=False)> 
<OperationContractAttribute("Deskew")> 
Function Deskew( _ 
   ByVal request As Leadtools.Services.Imageprocessing.Datacontracts.DeskewRequest _ 
) As Leadtools.Services.Imageprocessing.Datacontracts.DeskewResponse 
[FaultContractAttribute(DetailType=Leadtools.Services.Raster.FaultContracts.RasterFault,  
   Action="",  
   Name="",  
   Namespace="",  
   ProtectionLevel=ProtectionLevel.None,  
   HasProtectionLevel=false)] 
[OperationContractAttribute("Deskew")] 
Leadtools.Services.Imageprocessing.Datacontracts.DeskewResponse^ Deskew(  
   Leadtools.Services.Imageprocessing.Datacontracts.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.

Remarks
Example

C#
VB
using Leadtools.Services; 
 
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"; 
} 
Imports Leadtools.Services 
 
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 

Requirements

Target Platforms

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