LEADTOOLS WCF Image Processing (Leadtools.Services.ImageProcessing.ServiceContracts assembly)
LEAD Technologies, Inc

AutoCrop Method

Example 





A System.Runtime.Serialization.DataContractAttribute containing the data that will be used in this AutoCrop operation.
Trims the current image, removing blank space around the edges.
Syntax
[FaultContractAttribute(DetailType=Leadtools.Services.Raster.FaultContracts.RasterFault, 
   Action="", 
   Name="", 
   Namespace="", 
   ProtectionLevel=ProtectionLevel.None, 
   HasProtectionLevel=false)]
[OperationContractAttribute("AutoCrop")]
CommandResponse AutoCrop( 
   AutoCropRequest request
)
'Declaration
 
<FaultContractAttribute(DetailType=Leadtools.Services.Raster.FaultContracts.RasterFault, 
   Action="", 
   Name="", 
   Namespace="", 
   ProtectionLevel=ProtectionLevel.None, 
   HasProtectionLevel=False)>
<OperationContractAttribute("AutoCrop")>
Function AutoCrop( _
   ByVal request As AutoCropRequest _
) As CommandResponse
'Usage
 
Dim instance As IImageProcessingService
Dim request As AutoCropRequest
Dim value As CommandResponse
 
value = instance.AutoCrop(request)
[FaultContractAttribute(DetailType=Leadtools.Services.Raster.FaultContracts.RasterFault, 
   Action="", 
   Name="", 
   Namespace="", 
   ProtectionLevel=ProtectionLevel.None, 
   HasProtectionLevel=false)]
[OperationContractAttribute("AutoCrop")]
CommandResponse AutoCrop( 
   AutoCropRequest request
)
FaultContractAttribute(DetailType=Leadtools.Services.Raster.FaultContracts.RasterFault, 
   Action="", 
   Name="", 
   Namespace="", 
   ProtectionLevel=ProtectionLevel.None, 
   HasProtectionLevel=)
OperationContractAttribute("AutoCrop")
function Leadtools.Services.ImageProcessing.ServiceContracts.IImageProcessingService.AutoCrop( 
   request 
)
[FaultContractAttribute(DetailType=Leadtools.Services.Raster.FaultContracts.RasterFault, 
   Action="", 
   Name="", 
   Namespace="", 
   ProtectionLevel=ProtectionLevel.None, 
   HasProtectionLevel=false)]
[OperationContractAttribute("AutoCrop")]
CommandResponse^ AutoCrop( 
   AutoCropRequest^ request
) 

Parameters

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

Return Value

A System.Runtime.Serialization.DataContractAttribute containing the modified image resulting from the AutoCrop operation.
Remarks
Example
 
Public Sub AutoCropExample()
      Dim client As ImageProcessingServiceClient = New ImageProcessingServiceClient()
      Dim sourceBinaryData As RawBinaryData = New RawBinaryData()
      sourceBinaryData.Data = File.ReadAllBytes(Path.Combine(LEAD_VARS.ImagesDir, "image1.cmp"))

      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 AutoCropRequest = New AutoCropRequest()

      request.ConvertOptions = convertOptions
      request.RegionData = Nothing
      request.Threshold = 20

      Dim response As CommandResponse = client.AutoCrop(request)
      If Not response.Destination Is Nothing Then
         If TypeOf response.Destination Is RawBinaryData Then
            File.WriteAllBytes(Path.Combine(LEAD_VARS.ImagesDir, "AutoCrop.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
public void AutoCropExample()
   {
      ImageProcessingServiceClient client = new ImageProcessingServiceClient();
      RawBinaryData sourceBinaryData = new RawBinaryData();
      sourceBinaryData.Data = File.ReadAllBytes(Path.Combine(LEAD_VARS.ImagesDir,"image1.cmp"));

      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;

      AutoCropRequest request = new AutoCropRequest();

      request.ConvertOptions = convertOptions;
      request.RegionData = null;
      request.Threshold = 20;

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

      client.Close();
   }

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

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

See Also

Reference

IImageProcessingService Interface
IImageProcessingService Members

 

 


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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