HalfTonePatternCommand Class

C#
Visual Basic
WinRT C#
Java
Objective-C
WinRT JavaScript
C++

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

'Declaration

Public Class HalfTonePatternCommand 
   Inherits Leadtools.ImageProcessing.RasterCommand
   Implements Leadtools.ImageProcessing.IRasterCommand

'Usage

Dim instance As HalfTonePatternCommand

public sealed class HalfTonePatternCommand : Leadtools.ImageProcessing.IRasterCommand

function Leadtools.ImageProcessing.Core.HalfTonePatternCommand()

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

This method 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.
If the image has a region, this method works only on the region. If the image does not have a region, this method works on the entire image.
This method does not support signed data images.
This command does not support 32-bit grayscale images.

Run the HalfTonePatternCommand on an image.

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

Copy Code

Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing.Core

   
Public Sub HalfTonePatternCommandExample()
   Dim codecs As New RasterCodecs()
   codecs.ThrowExceptionsOnInvalidImages = True
   Dim leadImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "sample1.cmp"))

   ' Prepare the command
   Dim command As New HalfTonePatternCommand
   command.Contrast = 100
   command.Ripple = 200
   command.AngleContrast = 12
   command.AngleRipple = 2
   command.AngleOffset = 4500
   command.BackGroundColor = New RasterColor(255, 255, 255)
   command.ForeGroundColor = New RasterColor(255, 0, 0)
   command.Type = HalfTonePatternCommandType.Line
   command.Run(leadImage)

End Sub

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

using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Core;

      
public void HalfTonePatternCommandExample()
{
   // Load an image
   RasterCodecs codecs = new RasterCodecs();
   codecs.ThrowExceptionsOnInvalidImages = true;
   RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "sample1.cmp"));

   // Prepare the command
   HalfTonePatternCommand command  = new HalfTonePatternCommand();
   command.Contrast = 100;
   command.Ripple = 200;
   command.AngleContrast = 12;
   command.AngleRipple = 2;
   command.AngleOffset = 4500;
   command.BackGroundColor = new RasterColor(255, 255, 255);
   command.ForeGroundColor = new RasterColor(255, 0,0);
   command.Type = HalfTonePatternCommandType.Line;
   command.Run(image);

}

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

function HalfTonePatternCommandExample()
{
   var codecs = new Leadtools.Codecs.RasterCodecs();
   codecs.throwExceptionsOnInvalidImages = true;

   // Load the image
   var srcFileName = "Assets\\Image1.cmp";
   return Tools.AppInstallFolder().getFileAsync(srcFileName).then(function (loadFile) {
      return codecs.loadAsync(Leadtools.LeadStreamFactory.create(loadFile));
   }).then(function (image) {
      // Prepare the command
      with (Leadtools.ImageProcessing.Core) {
         var command  = new HalfTonePatternCommand();
         command.contrast = 100;
         command.ripple = 200;
         command.angleContrast = 12;
         command.angleRipple = 2;
         command.angleOffset = 4500;
         command.backGroundColor = Leadtools.RasterColorHelper.create(255, 255, 255);
         command.foreGroundColor = Leadtools.RasterColorHelper.create(255, 0,0);
         command.type = HalfTonePatternCommandType.line;
         command.run(image);
      }
   });
}

using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Core;

      
public async Task HalfTonePatternCommandExample()
{
   // 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
   HalfTonePatternCommand command  = new HalfTonePatternCommand();
   command.Contrast = 100;
   command.Ripple = 200;
   command.AngleContrast = 12;
   command.AngleRipple = 2;
   command.AngleOffset = 4500;
   command.BackGroundColor = RasterColorHelper.Create(255, 255, 255);
   command.ForeGroundColor = RasterColorHelper.Create(255, 0,0);
   command.Type = HalfTonePatternCommandType.Line;
   command.Run(image);

}

Target Platforms

Reference