Converts a 1-, 4-, 8-, 16-, 24-, or 32-bit image to a halftoned image, with a specified pattern of rotation. A halftoned image is a 1-bit image that has been dithered for black and white printing or display.

Syntax

Visual Basic (Declaration)
Public Class HalftoneActivity Inherits ImageProcessingBaseActivity

Visual Basic (Usage)	Copy Code
`Dim instance As HalftoneActivity`

C#
public class HalftoneActivity : ImageProcessingBaseActivity

C++/CLI
public ref class HalftoneActivity : public ImageProcessingBaseActivity

Remarks

For the HalfToneCommandType.UserDefined option, the number of images in the list must be at least equal to (Dimension * Dimension + 1). Images with higher indexes correspond to higher intensity values.
This command can process the whole image or a region of the image.
This command does not support 12 and 16-bit grayscale and 48 and 64-bit color images.
This command does not support signed data images.
This command supports 32-bit grayscale images.

For more information, refer to Introduction to Image Processing With LEADTOOLS.

Inheritance Hierarchy

System.Object
   System.Workflow.ComponentModel.DependencyObject
      System.Workflow.ComponentModel.Activity
         Leadtools.Workflow.Raster.WorkflowImageActivity
            Leadtools.Workflow.Raster.DisposableImageActivity
               Leadtools.Workflow.ImageProcessing.ImageProcessingBaseActivity
                  Leadtools.Workflow.ImageProcessing.HalftoneActivity

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

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HalftoneActivity Class
See Also Members

Syntax

Remarks

Inheritance Hierarchy

Requirements

See Also

Reference