public class ExtractMessageCommand : RasterCommand
Public Class ExtractMessageCommand
Inherits RasterCommand
public ref class ExtractMessageCommand : public RasterCommand
Run the ExtractMessageCommand on an image by loading an image that has an embedded message and extracts the message from it.
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Effects;
public void ExtractMessageCommandExample()
{
// Load an image
RasterCodecs codecs = new RasterCodecs();
codecs.ThrowExceptionsOnInvalidImages = true;
RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Result.jpg"));
// Prepare the command
AddMessageCommand addmessageCommand = new AddMessageCommand();
addmessageCommand.Password = null;
addmessageCommand.Start = new LeadPoint(0, 0);
addmessageCommand.Message = "LEAD Technologies, Inc.";
// Add the above message to image in the default position and with the default password.
addmessageCommand.Run(image);
// Prepare the command
ExtractMessageCommand command = new ExtractMessageCommand();
// set password and start properties values same as AddMessageCommand values.
command.Password = null;
command.Start = new LeadPoint(0, 0);
command.Directory = Path.Combine(LEAD_VARS.ImagesDir, "");
// Extract the message from the 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);
if (command.Message != null && command.Message.Length != 0)
MessageBox.Show(command.Message, "Extracted Message");
else if (command.FileName != null && command.FileName.Length != 0)
MessageBox.Show(command.FileName, "Extracted File");
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\LEADTOOLS21\Resources\Images";
}
Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing.Effects
Public Sub ExtractMessageCommandExample()
Dim codecs As New RasterCodecs()
codecs.ThrowExceptionsOnInvalidImages = True
Dim leadImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "IMAGE1.CMP"))
Dim addmessagecommand As AddMessageCommand = New AddMessageCommand
addmessagecommand.Message = "LEAD Technologies, Inc."
' Add the above message to image in the default position and with the default password.
addmessagecommand.Run(leadImage)
' Prepare the command
Dim command As ExtractMessageCommand = New ExtractMessageCommand
' set password and start properties values same as AddMessageCommand values.
command.Password = Nothing
command.Start = New LeadPoint(0, 0)
command.Directory = LEAD_VARS.ImagesDir
' Extract the message from the 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)
If (Not (IsNothing(command.Message))) Then
MessageBox.Show(command.Message, "Extracted Message")
ElseIf (Not (IsNothing(command.FileName))) Then
MessageBox.Show(command.FileName, "Extracted File")
End If
End Sub
Public NotInheritable Class LEAD_VARS
Public Const ImagesDir As String = "C:\LEADTOOLS21\Resources\Images"
End Class
Help Collections
Raster .NET | C API | C++ Class Library | HTML5 JavaScript
Document .NET | C API | C++ Class Library | HTML5 JavaScript
Medical .NET | C API | C++ Class Library | HTML5 JavaScript
Medical Web Viewer .NET
Multimedia
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Supported Platforms
.NET, Java, Android, and iOS/macOS Assemblies
Imaging, Medical, and Document
C API/C++ Class Libraries
Imaging, Medical, and Document
HTML5 JavaScript Libraries
Imaging, Medical, and Document
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