Leadtools.ImageProcessing.Color Send comments on this topic. | Back to Introduction - All Topics | Help Version 16.5.9.25
ColorThresholdCommand Constructor()
See Also  Example



Initializes a new ColorThresholdCommand class object with default parameters.

Syntax

Visual Basic (Declaration) 
Public Function New()
Visual Basic (Usage)Copy Code
Dim instance As ColorThresholdCommand()
C# 
public ColorThresholdCommand()
C++/CLI 
public:
ColorThresholdCommand();

Example

Run the ColorThresholdCommand on an image.

Visual BasicCopy Code
Public Sub ColorThresholdConstructorExample()
   RasterCodecs.Startup()
   Dim codecs As New RasterCodecs()
   codecs.ThrowExceptionsOnInvalidImages = True

   Dim leadImage As RasterImage = codecs.Load(LeadtoolsExamples.Common.ImagesPath.Path + "Master.jpg")

   ' Prepare the command
   Dim components() As ColorThresholdCommandComponent
   ReDim components(2)

   Dim i As Integer
   For i = 0 To 2
      components(i) = New ColorThresholdCommandComponent(128, 255, 0)
   Next i

   Dim command As ColorThresholdCommand = New ColorThresholdCommand
   command.ColorSpace = ColorThresholdCommandType.Rgb
   command.Components = components
   'Apply color Threshold effect on the image.
   command.Run(leadImage)
   codecs.Save(leadImage, LeadtoolsExamples.Common.ImagesPath.Path + "Result.jpg", RasterImageFormat.Jpeg, 24)

   RasterCodecs.Shutdown()
End Sub
C#Copy Code
public void ColorThresholdConstructorExample() 
{ 
   // Load an image 
   RasterCodecs.Startup(); 
   RasterCodecs codecs = new RasterCodecs(); 
   codecs.ThrowExceptionsOnInvalidImages = true; 
 
   RasterImage image = codecs.Load(LeadtoolsExamples.Common.ImagesPath.Path + "Master.jpg"); 
 
   // Prepare the command 
   ColorThresholdCommandComponent[] components = new  ColorThresholdCommandComponent[3]; 
   for (int i = 0; i < 3; i++) 
      components[i] = new ColorThresholdCommandComponent(128, 255, 0); 
 
   ColorThresholdCommand command = new ColorThresholdCommand(); 
   command.ColorSpace = ColorThresholdCommandType.Rgb; 
   command.Components = components; 
 
   //Apply color Threshold effect on the image. 
   command.Run(image); 
   codecs.Save(image, LeadtoolsExamples.Common.ImagesPath.Path + "Result.jpg", RasterImageFormat.Jpeg, 24); 
 
   RasterCodecs.Shutdown(); 
}

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