BlackCount Property

Summary

Gets the total number of black pixels in one of the holes of a hole punch pattern.

Syntax

C++/CLI

Python

public int BlackCount { get; }

public: 
property int BlackCount { 
   int get(); 
}

BlackCount # get  (HolePunchRemoveCommandEventArgs)

Property Value

Total number of black pixels in one of the holes of a hole punch pattern.

Example

Java

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing.Core; 
 
public void HolePunchRemoveCommandExample() 
{ 
   // Load an image 
   RasterCodecs codecs = new RasterCodecs(); 
   codecs.ThrowExceptionsOnInvalidImages = true; 
 
   RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Clean.tif")); 
 
   // Prepare the command 
   HolePunchRemoveCommand command = new HolePunchRemoveCommand(); 
   command.HolePunchRemove += new EventHandler<HolePunchRemoveCommandEventArgs>(HolePunchRemoveEvent_S1); 
   command.Flags = HolePunchRemoveCommandFlags.UseDpi | HolePunchRemoveCommandFlags.UseCount | HolePunchRemoveCommandFlags.UseLocation; 
   command.Location = HolePunchRemoveCommandLocation.Left; 
   command.MaximumHoleCount = 4; 
   command.MinimumHoleCount = 2; 
 
   command.Run(image); 
 
} 
 
private void HolePunchRemoveEvent_S1(object sender, HolePunchRemoveCommandEventArgs e) 
{ 
   MessageBox.Show("Size " + "( " + e.BoundingRectangle.Left + ", " + e.BoundingRectangle.Top + ") - " + "( " + e.BoundingRectangle.Right + ", " + e.BoundingRectangle.Bottom + ")" + 
      "\n Hole Index " + e.HoleIndex.ToString() + 
      "\n Holes Total Count " + e.HoleTotalCount.ToString() + 
      "\n Black Count " + e.BlackCount.ToString() + 
      "\n White Count " + e.WhiteCount.ToString()); 
   e.Status = RemoveStatus.Remove; 
} 
 
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 holePunchRemoveCommandExample() { 
   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"), 1, CodecsLoadByteOrder.BGR, 1, 1); 
 
   // Prepare the command 
   HolePunchRemoveCommand command = new HolePunchRemoveCommand(); 
   command.addHolePunchRemoveCommandListener(holePunchRemoveEvent_S1); 
   command.setFlags(HolePunchRemoveCommandFlags.USE_DPI.getValue() | HolePunchRemoveCommandFlags.USE_COUNT.getValue() 
         | HolePunchRemoveCommandFlags.USE_LOCATION.getValue()); 
   assertTrue(command.getFlags() >= 0); 
   command.setLocation(HolePunchRemoveCommandLocation.LEFT); 
   command.setMaximumHoleCount(4); 
   command.setMinimumHoleCount(2); 
   assertTrue(command.getLocation() == HolePunchRemoveCommandLocation.LEFT && command.getMaximumHoleCount() == 4 
         && command.getMinimumHoleCount() == 2); 
 
   command.run(image); 
   codecs.save(image, combine(LEAD_VARS_IMAGES_DIR, "Result.jpg"), RasterImageFormat.JPEG, 24); 
 
   assertTrue(new File(combine(LEAD_VARS_IMAGES_DIR, "Result.jpg")).exists()); 
   System.out.println("Command run and image exported to: " + combine(LEAD_VARS_IMAGES_DIR, "Result.jpg")); 
} 
 
HolePunchRemoveCommandListener holePunchRemoveEvent_S1 = new HolePunchRemoveCommandListener() { 
   @Override 
   public void onHolePunchRemoveEvent(HolePunchRemoveCommandEvent e) { 
      System.out 
            .println("Size " + "( " + e.getBoundingRectangle().getLeft() + ", " + e.getBoundingRectangle().getTop() 
                  + ") - " + "( " + e.getBoundingRectangle().getRight() + ", " + e.getBoundingRectangle().getBottom() 
                  + ")" + "\n Hole Index " + e.getHoleIndex() + "\n Holes Total Count " + e.getHoleTotalCount() 
                  + "\n Black Count " + e.getBlackCount() + "\n White Count " + e.getWhiteCount()); 
      e.setStatus(RemoveStatus.REMOVE); 
   } 
};

Requirements

Target Platforms

Reference

HolePunchRemoveCommandEventArgs Class

HolePunchRemoveCommandEventArgs Members

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Help Version 23.0.2024.3.3

Leadtools.ImageProcessing.Core Assembly

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