AddMessageCommand Class

Visual Basic
C#
WinRT C#
WinRT JavaScript
C++

public class AddMessageCommand : Leadtools.ImageProcessing.RasterCommand, Leadtools.ImageProcessing.IRasterCommand

'Declaration
 
Public Class AddMessageCommand 
   Inherits Leadtools.ImageProcessing.RasterCommand
   Implements Leadtools.ImageProcessing.IRasterCommand

'Usage
 
Dim instance As AddMessageCommand

public sealed class AddMessageCommand : Leadtools.ImageProcessing.IRasterCommand

function Leadtools.ImageProcessing.Effects.AddMessageCommand()

public ref class AddMessageCommand : public Leadtools.ImageProcessing.RasterCommand, Leadtools.ImageProcessing.IRasterCommand

The purpose of this command is for security since the message added will be embedded into the image without any visible changes and the resulting image has the same size as the original.
This command can add a message to any type of lossless image such as BMP, TIFF, lossless JPEG, and so forth. If used with lossy format types the message may be corrupted or lost.
To extract the embedded message use ExtractMessageCommand.
This command supports 24- and 48-bits images, and 8- and 16-bits grayscale images
This command does not support 32-bit grayscale images.

Visual Basic
C#
WinRT C#
WinRT JavaScript
Silverlight C#
Silverlight VB

Public Sub AddMessageCommandExample()
   Dim codecs As New RasterCodecs()
   codecs.ThrowExceptionsOnInvalidImages = True

   Dim leadImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Master.jpg"))

   ' Prepare the command
   Dim command As AddMessageCommand = New AddMessageCommand
   command.Message = "LEAD Technologies, Inc."
   ' Add the above message to image in the default position and with the default password.
   command.Run(leadImage)
   codecs.Save(leadImage, Path.Combine(LEAD_VARS.ImagesDir, "Result.jpg"), RasterImageFormat.Jpeg, 24)

End Sub

Public NotInheritable Class LEAD_VARS
   Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class

public void AddMessageCommandExample()
   {
      // Load an image
      RasterCodecs codecs = new RasterCodecs();
      codecs.ThrowExceptionsOnInvalidImages = true;

      RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Master.jpg"));

      // Prepare the command
      AddMessageCommand command = new AddMessageCommand();
      command.Message  = "LEAD Technologies, Inc.";
      // Add the above message to image in the default position and with the default password.
      command.Run(image);
      codecs.Save(image, Path.Combine(LEAD_VARS.ImagesDir, "Result.jpg"), RasterImageFormat.Jpeg, 24);
   }

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

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

Reference

AddMessageCommand Members
Leadtools.ImageProcessing.Effects Namespace
Introduction to Image Processing With LEADTOOLS
ExtractMessageCommand Class