HalftoneActivity Class

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.

Object Model

Syntax

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

public class HalftoneActivity : ImageProcessingBaseActivity, System.ComponentModel.IComponent, System.IDisposable

'Declaration
 
Public Class HalftoneActivity 
   Inherits ImageProcessingBaseActivity
   Implements System.ComponentModel.IComponent, System.IDisposable

'Usage
 
Dim instance As HalftoneActivity

public sealed class HalftoneActivity : System.ComponentModel.IComponent, IClosable //In WinRT the IDisposable interface is replaced by IClosable

function Leadtools.Workflow.ImageProcessing.HalftoneActivity()

public ref class HalftoneActivity : public ImageProcessingBaseActivity, System.ComponentModel.IComponent, System.IDisposable

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.

Requirements

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

HalftoneActivity Members
Leadtools.Workflow.ImageProcessing Namespace