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OffsetCommand Class
See Also  Members   Example 
Leadtools.ImageProcessing.Effects Namespace : OffsetCommand Class




Shifts the image data horizontally and vertically.

Syntax

Visual Basic (Declaration) 
Public Class OffsetCommand 
   Inherits RasterCommand
   Implements IRasterCommand 
Visual Basic (Usage)Copy Code
Dim instance As OffsetCommand
C# 
public class OffsetCommand : RasterCommand, IRasterCommand 
Managed Extensions for C++ 
public __gc class OffsetCommand : public RasterCommand, IRasterCommand 
C++/CLI 
public ref class OffsetCommand : public RasterCommand, IRasterCommand 

Example

Visual BasicCopy Code
ImageProcessing.Effects.OffsetCommand
   Public Sub OffsetCommandExample()
      RasterCodecs.Startup()
      Dim codecs As New RasterCodecs()
      codecs.ThrowExceptionsOnInvalidImages = True

      Dim leadImage As RasterImage = codecs.Load("C:\Program Files\LEAD Technologies\LEADTOOLS 15\Images\Master.jpg")

      ' Prepare the command
      Dim command As OffsetCommand = New OffsetCommand
      command.HorizontalShift = leadImage.Width \ 2
      command.VerticalShift = leadImage.Height \ 2
      command.BackColor = New RasterColor(128, 128, 128)
      command.Type = OffsetCommandType.Color
      'Apply offset on the image.
      command.Run(leadImage)
      codecs.Save(leadImage, "C:\Program Files\LEAD Technologies\LEADTOOLS 15\Images\Result.jpg", RasterImageFormat.Jpeg, 24)

      RasterCodecs.Shutdown()
   End Sub
C#Copy Code
ImageProcessing.Effects.OffsetCommand 
      public void OffsetCommandExample() 
      { 
         // Load an image 
         RasterCodecs.Startup(); 
         RasterCodecs codecs = new RasterCodecs(); 
         codecs.ThrowExceptionsOnInvalidImages = true; 
 
         RasterImage image = codecs.Load(@"C:\Program Files\LEAD Technologies\LEADTOOLS 15\Images\Master.jpg"); 
 
         // Prepare the command 
         OffsetCommand command = new OffsetCommand(); 
         command.HorizontalShift = image.Width / 2; 
         command.VerticalShift = image.Height / 2; 
         command.BackColor = new RasterColor(128, 128, 128); 
         command.Type = OffsetCommandType.Color; 
         //Apply offset on the image. 
         command.Run(image); 
         codecs.Save(image, @"C:\Program Files\LEAD Technologies\LEADTOOLS 15\Images\Result.jpg", RasterImageFormat.Jpeg, 24); 
 
         RasterCodecs.Shutdown(); 
      }

Remarks

  • This command supports 12 and 16-bit grayscale and 48 and 64-bit color images. Support for 12 and 16-bit grayscale and 48 and 64-bit color images is available only in the Document/Medical toolkits.
  • This command does not support signed data images.
  • This command does not support 32-bit grayscale images.

Inheritance Hierarchy

System.Object
   Leadtools.ImageProcessing.RasterCommand
      Leadtools.ImageProcessing.Effects.OffsetCommand

Requirements

Target Platforms: Microsoft .NET Framework 2.0, Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family

See Also