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AddNoiseCommand Class
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Leadtools.ImageProcessing.Effects Namespace : AddNoiseCommand Class




Adds random pixels to an image, letting you specify the percentage of coverage and the color plane.

Syntax

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

Example

Visual BasicCopy Code
ImageProcessing.Effects.AddNoiseCommand
   Public Sub AddNoiseCommandExample()
      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 AddNoiseCommand = New AddNoiseCommand
      command.Range = 250
      'Add red noise with 25 percent coverage
      command.Channel = RasterColorChannel.Red

      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.AddNoiseCommand 
      public void AddNoiseCommandExample() 
      { 
         // 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 
         AddNoiseCommand command = new AddNoiseCommand(); 
         command.Range = 250; 
         //Add red noise with 25 percent coverage 
         command.Channel = RasterColorChannel.Red; 
         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.
For more information, refer to Applying Artistic Effects.

Inheritance Hierarchy

System.Object
   Leadtools.ImageProcessing.RasterCommand
      Leadtools.ImageProcessing.Effects.AddNoiseCommand

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