ColorThresholdCommand Constructor()

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

public ColorThresholdCommand()

'Declaration
 
Public Function New()

'Usage
 
Dim instance As New ColorThresholdCommand()

public ColorThresholdCommand()

function ColorThresholdCommand()

public:
ColorThresholdCommand();

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

Public Sub ColorThresholdConstructorExample()
   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 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, 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 ColorThresholdConstructorExample()
   {
      // Load an image
      RasterCodecs codecs = new RasterCodecs();
      codecs.ThrowExceptionsOnInvalidImages = true;

      RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "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, Path.Combine(LEAD_VARS.ImagesDir, "Result.jpg"), RasterImageFormat.Jpeg, 24);

   }

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

[TestMethod]
public async Task ColorThresholdConstructorExample()
{
   // 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
   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);

   string destFileName = @"result.jpg";
   StorageFile saveFile = await Tools.AppLocalFolder.CreateFileAsync(destFileName);
   await codecs.SaveAsync(image, LeadStreamFactory.Create(saveFile), RasterImageFormat.Jpeg, 0);
}

public void ColorThresholdConstructorExample(RasterImage image, Stream outStream)
{
   // 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);

   // Save result image
   RasterCodecs codecs = new RasterCodecs();
   codecs.Save(image, outStream, RasterImageFormat.Jpeg, 24);
   image.Dispose();
}

Public Sub ColorThresholdConstructorExample(ByVal image As RasterImage, ByVal outStream As Stream)
   ' Prepare the command
   Dim components As ColorThresholdCommandComponent() = New ColorThresholdCommandComponent(2){}
   For i As Integer = 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(image)

   ' Save result image
   Dim codecs As RasterCodecs = New RasterCodecs()
   codecs.Save(image, outStream, RasterImageFormat.Jpeg, 24)
   image.Dispose()
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

ColorThresholdCommand Class
ColorThresholdCommand Members
Overload List