UserDefinedImage Property

Summary

Gets or sets the list of images that will be used in half toning if the HalfToneCommandType.UserDefined option is selected.

Syntax

Objective-C

C++

Java

public RasterImage UserDefinedImage { get; set; }

Public Property UserDefinedImage As RasterImage

@property (nonatomic, strong, nullable) LTRasterImage *userDefinedImage

public RasterImage getUserDefinedImage() 
public void setUserDefinedImage(RasterImage value)

public: 
property RasterImage^ UserDefinedImage { 
   RasterImage^ get(); 
   void set (    RasterImage^ ); 
}

Property Value

List of images that will be used in half toning if the HalfToneCommandType.UserDefined option is selected.

Example

Run the HalfToneCommand on an image.

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing.Core; 
 
public void UserDefinedImagePropertyExample() 
{ 
   // Load an image 
   RasterCodecs codecs = new RasterCodecs(); 
   codecs.ThrowExceptionsOnInvalidImages = true; 
 
   RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "sample5.cmp")); 
 
   // Prepare the command 
   HalfToneCommand command = new HalfToneCommand(); 
   command.Angle = 0; 
   command.Dimension = 1; 
   command.Type = HalfToneCommandType.UserDefined; 
   RasterImage[] images = new RasterImage[2]; 
   images[0] = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, @"ImageProcessingDemo\Ulay3.bmp"), 24, CodecsLoadByteOrder.Bgr, 1, 1); 
   images[1] = images[0].Clone(); 
   images[0].AddPage(images[1]); 
   command.UserDefinedImage = images[0]; 
   // Halftone the image. 
   command.Run(image); 
 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images"; 
}

Imports Leadtools 
Imports Leadtools.Codecs 
Imports Leadtools.ImageProcessing.Core 
 
Public Sub UserDefinedImagePropertyExample() 
   Dim codecs As New RasterCodecs() 
   codecs.ThrowExceptionsOnInvalidImages = True 
 
   Dim leadImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "sample5.cmp")) 
 
   ' Prepare the command 
   Try 
      Dim command As HalfToneCommand = New HalfToneCommand 
      command.Angle = 0 
      command.Dimension = 1 
      command.Type = HalfToneCommandType.UserDefined 
      Dim images() As RasterImage 
      ReDim images(1) 
      images(0) = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "ImageProcessingDemo\Ulay3.bmp"), 24, CodecsLoadByteOrder.Bgr, 1, 1) 
      images(1) = images(0) 
      images(0).AddPage(images(1)) 
      'Halftone the image. 
      command.Run(leadImage) 
   Catch ex As Exception 
      MessageBox.Show(ex.Message, "HalfToneTest", MessageBoxButtons.OK, MessageBoxIcon.Exclamation) 
   End Try 
 
End Sub 
 
Public NotInheritable Class LEAD_VARS 
   Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images" 
End Class

Requirements

Target Platforms

Reference

HalfToneCommand Class

HalfToneCommand Members

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Help Version 20.0.2020.4.3

Leadtools.ImageProcessing.Core Assembly

Introduction

Getting Started

Namespaces

Leadtools.ImageProcessing.Core Namespace

Assemblies