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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
C#
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.

C#
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

Help Version 23.0.2024.3.3
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© 1991-2024 LEAD Technologies, Inc. All Rights Reserved.

Leadtools.ImageProcessing.Core Assembly

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© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.