ColorCountCommand Class

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

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

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

'Usage
 
Dim instance As ColorCountCommand

public sealed class ColorCountCommand : Leadtools.ImageProcessing.IRasterCommand

function Leadtools.ImageProcessing.Color.ColorCountCommand()

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

This command supports 12 and 16-bit grayscale images. Support for 12 and 16-bit grayscale images is available only in the Document/Medical toolkits.
This command supports 32-bit grayscale images.

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

Public Sub ColorCountCommandExample()
   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 ColorCountCommand = New ColorCountCommand
   Dim colorCount As Integer
   'Get the number of colors in the image.

   command.Run(leadImage)
   colorCount = command.ColorCount
   MessageBox.Show("The image has " + colorCount.ToString() + " colors", "ColorCountCommand Results", MessageBoxButtons.OK)

End Sub

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

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

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

      // Prepare the command
      ColorCountCommand command = new ColorCountCommand();
      int colorCount;
      //Get the number of colors in the image.
      command.Run(image);
      colorCount = command.ColorCount;
      MessageBox.Show("The image has " + colorCount.ToString() + " colors","ColorCountCommand Results",MessageBoxButtons.OK);

   }

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

[TestMethod]
public async Task ColorCountCommandExample()
{
   // Load an image
   RasterCodecs codecs = new RasterCodecs();
   codecs.ThrowExceptionsOnInvalidImages = true;
   // Load the image
   string srcFileName = @"Assets\Image1.cmp";
   StorageFile loadFile = await Tools.AppInstallFolder.GetFileAsync(srcFileName);
   RasterImage image = await codecs.LoadAsync(LeadStreamFactory.Create(loadFile));

   // Prepare the command
   ColorCountCommand command = new ColorCountCommand();
   int colorCount;
   //Get the number of colors in the image.
   command.Run(image);
   colorCount = command.ColorCount;
   Debug.WriteLine("The image has " + colorCount.ToString() + " colors");

}

public void ColorCountCommandExample(RasterImage image)
{
   // Prepare the command
   ColorCountCommand command = new ColorCountCommand();
   int colorCount;
   //Get the number of colors in the image.
   command.Run(image);
   colorCount = command.ColorCount;
   Debug.WriteLine("The image has " + colorCount.ToString() + " colors","ColorCountCommand Results", MessageBoxButton.OK);
}

Public Sub ColorCountCommandExample(ByVal image As RasterImage)
   ' Prepare the command
   Dim command As ColorCountCommand = New ColorCountCommand()
   Dim colorCount As Integer
   'Get the number of colors in the image.
   command.Run(image)
   colorCount = command.ColorCount
   Debug.WriteLine("The image has " & colorCount.ToString() & " colors","ColorCountCommand Results", MessageBoxButton.OK)
End Sub

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

ColorCountCommand Members
Leadtools.ImageProcessing.Color Namespace
Leadtools.ImageProcessing.Core.WindowLevelCommand
Color Halftone and Halftone Images