DotRemoveCommandEventArgs Class

Summary

Handles each dot found by DotRemoveCommand.

Syntax

Objective-C

C++/CLI

Java

Python

public class DotRemoveCommandEventArgs : EventArgs

@interface LTDotRemoveCommandEventArgs : NSObject

public class DotRemoveCommandEvent extends LeadEvent

public ref class DotRemoveCommandEventArgs : public System.EventArgs

class DotRemoveCommandEventArgs(EventArgs):

Example

Run the DotRemoveCommand on an image.

Java

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing.Core; 
 
public void DotRemoveCommandEventArgsExample() 
{ 
   // Load an image 
   RasterCodecs codecs = new RasterCodecs(); 
   codecs.ThrowExceptionsOnInvalidImages = true; 
 
   RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Clean.tif")); 
 
   // Prepare the command 
   DotRemoveCommand command = new DotRemoveCommand(DotRemoveCommandFlags.UseSize | DotRemoveCommandFlags.CallBackRegion, 1, 1, 10, 10); 
   command.DotRemove += new EventHandler<DotRemoveCommandEventArgs>(DotRemoveEvent_S4); 
   command.Run(image); 
 
} 
 
private void DotRemoveEvent_S4(object sender, DotRemoveCommandEventArgs e) 
{ 
   DotRemoveCommandEventArgs ee = new DotRemoveCommandEventArgs(e.Image, e.Region, e.BoundingRectangle, e.WhiteCount, e.BlackCount); 
   // Do not remove the speck if it contains any white pixels 
   if (e.WhiteCount > 0) 
   { 
      e.Status = RemoveStatus.NoRemove; 
   } 
   else 
   { 
      e.Status = RemoveStatus.Remove; 
   } 
 
   if (e.Region != null) 
   { 
      e.Image.SetRegion(null, e.Region, RasterRegionCombineMode.AndNotRegion); 
   } 
} 
 
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 dotRemoveCommandEventArgsExample() { 
   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, "Clean.tif")); 
   String outputFileName = combine(LEAD_VARS_IMAGES_DIR, "LEAD_dotRemoveExample.jpg"); 
 
   // Prepare the command 
   DotRemoveCommand command = new DotRemoveCommand( 
         DotRemoveCommandFlags.USE_SIZE.getValue() | DotRemoveCommandFlags.CALLBACK_REGION.getValue(), 1, 1, 10, 10); 
   assertTrue(command.getMaximumDotHeight() == 10 && command.getMaximumDotWidth() == 10 
         && command.getMinimumDotHeight() == 1 && command.getMinimumDotWidth() == 1); 
   command.addDotRemoveCommandListener(dotRemoveEvent_S4); 
   command.run(image); 
   System.out.println("Executed changes on loaded image..."); 
 
   codecs.save(image, outputFileName, RasterImageFormat.JPEG, 8); 
   System.out.println("Saved updated file to:\n" + outputFileName); 
   assertTrue(new File(outputFileName).exists()); 
} 
 
DotRemoveCommandListener dotRemoveEvent_S4 = new DotRemoveCommandListener() { 
   @Override 
   public void onDotRemoveEvent(DotRemoveCommandEvent e) { 
      DotRemoveCommandEvent removeCommand = new DotRemoveCommandEvent(e, e.getImage(), e.getRegion(), 
            e.getBoundingRectangle(), 
            e.getWhiteCount(), e.getBlackCount()); 
      // Do not remove the speck if it contains any white pixels 
      if (e.getWhiteCount() > 0) { 
         e.setStatus(RemoveStatus.NO_REMOVE); 
      } else { 
         e.setStatus(RemoveStatus.REMOVE); 
      } 
 
      if (e.getRegion() != null) { 
         e.getImage().setRegion(null, e.getRegion(), RasterRegionCombineMode.AND_NOT_REGION); 
      } 
   } 
 
};

Requirements

Target Platforms

Reference

DotRemoveCommandEventArgs Members

Leadtools.ImageProcessing.Core Namespace

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Help Version 23.0.2024.3.3

Leadtools.ImageProcessing.Core Assembly

Introduction

Getting Started

Namespaces

Leadtools.ImageProcessing.Core Namespace

Assemblies