LEADTOOLS Image Processing (Leadtools.ImageProcessing.Color assembly) Send comments on this topic. | Back to Introduction - All Topics | Help Version 17.0.3.29
ColorSeparateCommand Class
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Separates an image by color plane to produce one grayscale image per plane. You can specify any of several color-space models, including CMYK. Supported in Silverlight, Windows Phone 7

Object Model

ColorSeparateCommand Class

Syntax

Visual Basic (Declaration) 
Public Class ColorSeparateCommand 
   Inherits Leadtools.ImageProcessing.RasterCommand
   Implements IRasterCommand 
Visual Basic (Usage)Copy Code
Dim instance As ColorSeparateCommand
C# 
public class ColorSeparateCommand : Leadtools.ImageProcessing.RasterCommand, IRasterCommand  
C++/CLI 
public ref class ColorSeparateCommand : public Leadtools.ImageProcessing.RasterCommand, IRasterCommand  

Example

Run the ColorSeparateCommand on an image and separate the color planes.

Visual BasicCopy Code
Public Sub ColorSeperateCommandExample()
   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 ColorSeparateCommand = New ColorSeparateCommand
   command.Type = ColorSeparateCommandType.Rgb

   command.Run(leadImage)
   Dim i As Integer
   For i = 3 To 1 Step -1
      command.DestinationImage.Page = i
      leadImage.AddPage(command.DestinationImage)
   Next

   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
C#Copy Code
public void ColorSeperateCommandExample()
   {
      // Load an image
      RasterCodecs codecs = new RasterCodecs();
      codecs.ThrowExceptionsOnInvalidImages = true;

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

      // Prepare the command
      ColorSeparateCommand command = new ColorSeparateCommand();
      command.Type = ColorSeparateCommandType.Rgb;
      command.Run(image);
      codecs.Save(image, Path.Combine(LEAD_VARS.ImagesDir, "Result.jpg"), RasterImageFormat.Jpeg, 24);
      for (int i = 3 ; i >= 1; i--)
      {
         command.DestinationImage.Page = i;
         image.AddPage(command.DestinationImage);
      }

   }

static class LEAD_VARS
{
   public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}
SilverlightCSharpCopy Code
public void ColorSeperateCommandExample(RasterImage image, Stream outStream)
{
   // Prepare the command
   ColorSeparateCommand command = new ColorSeparateCommand();
   command.Type = ColorSeparateCommandType.Rgb;
   command.Run(image);
   for (int i = 3 ; i >= 1; i--)
   {
      command.DestinationImage.Page = i;
      image.AddPage(command.DestinationImage);
   }

   // Save result image
   RasterCodecs codecs = new RasterCodecs();
   codecs.Save(image, outStream, RasterImageFormat.TifJpeg, 24, 1, -1, 1, CodecsSavePageMode.Append);
   image.Dispose();
}
SilverlightVBCopy Code
Public Sub ColorSeperateCommandExample(ByVal image As RasterImage, ByVal outStream As Stream)
   ' Prepare the command
   Dim command As ColorSeparateCommand = New ColorSeparateCommand()
   command.Type = ColorSeparateCommandType.Rgb
   command.Run(image)
   For i As Integer = 3 To 1 Step -1
      command.DestinationImage.Page = i
      image.AddPage(command.DestinationImage)
   Next i

   ' Save result image
   Dim codecs As RasterCodecs = New RasterCodecs()
   codecs.Save(image, outStream, RasterImageFormat.TifJpeg, 24, 1, -1, 1, CodecsSavePageMode.Append)
   image.Dispose()
End Sub

Remarks

  • The supported color-space models are Rgb, Cmyk, Cmy, Hsv, Hls, Xyz, Ycrcb, Yuv, Lab and Sct.
  • This class 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 class does not support signed data images.
  • This command does not support 32-bit grayscale images.
For more information, refer to Changing Brightness and Contrast.
For more information, refer to Introduction to Image Processing With LEADTOOLS.

Inheritance Hierarchy

System.Object
   Leadtools.ImageProcessing.RasterCommand
      Leadtools.ImageProcessing.Color.ColorSeparateCommand

Requirements

Target Platforms: Silverlight, Windows XP, Windows Server 2003 family, Windows Server 2008 family, Windows Vista, Windows 7, MAC OS/X (Intel Only)

See Also