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++/CLI

Java

Python

public RasterImage UserDefinedImage { get; set; }

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

public RasterImage getUserDefinedImage(); 
public void setUserDefinedImage( 
   RasterImage rasterImage 
);

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

UserDefinedImage # get and set (HalfToneCommand)

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.

Java

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:\LEADTOOLS23\Resources\Images"; 
}

 
import java.io.File; 
import java.io.IOException; 
 
import org.junit.*; 
import org.junit.runner.JUnitCore; 
import org.junit.runner.Result; 
import org.junit.runner.notification.Failure; 
import static org.junit.Assert.*; 
 
import leadtools.*; 
import leadtools.codecs.*; 
import leadtools.imageprocessing.core.*; 
 
 
public void userDefinedImagePropertyExample() { 
 
    final String LEAD_VARS_IMAGES_DIR = "C:\\LEADTOOLS23\\Resources\\Images"; 
    // Load an image 
    RasterCodecs codecs = new RasterCodecs(); 
    codecs.setThrowExceptionsOnInvalidImages(true); 
 
    RasterImage image = codecs.load(combine(LEAD_VARS_IMAGES_DIR, "sample5.cmp")); 
 
    // Prepare the command 
    HalfToneCommand command = new HalfToneCommand(); 
    command.setAngle(0); 
    command.setDimension(1); 
    command.setType(HalfToneCommandType.USER_DEFINED); 
    RasterImage[] images = new RasterImage[2]; 
    images[0] = codecs.load(combine(LEAD_VARS_IMAGES_DIR, "Ulay3.bmp"), 24, CodecsLoadByteOrder.BGR, 1, 1); 
    images[1] = images[0].clone(); 
    images[0].addPage(images[1]); 
    command.setUserDefinedImage(images[0]); 
    // Halftone the image 
    command.run(image); 
 
    codecs.save(image, combine(LEAD_VARS_IMAGES_DIR, "Ulay3.jpg"), RasterImageFormat.JPEG, 24); 
    System.out.println("Command run and image saved to " + combine(LEAD_VARS_IMAGES_DIR, "Ulay3.bmp")); 
    assertTrue(new File(combine(LEAD_VARS_IMAGES_DIR, "Ulay3.jpg")).exists()); 
 
}

Requirements

Target Platforms

Reference

HalfToneCommand Class

HalfToneCommand Members

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Help Version 23.0.2024.3.3

Leadtools.ImageProcessing.Core Assembly

Introduction

Getting Started

Namespaces

Leadtools.ImageProcessing.Core Namespace

Assemblies