InvertedTextCommandEventArgs Class

Summary

Handles each inverted text segment found by InvertedTextCommand.

Syntax

Objective-C

C++/CLI

Java

Python

public class InvertedTextCommandEventArgs : EventArgs

@interface LTInvertedTextCommandEventArgs : NSObject

public class InvertedTextCommandEvent extends LeadEvent

public ref class InvertedTextCommandEventArgs : public System.EventArgs

class InvertedTextCommandEventArgs(EventArgs):

Example

Runs the InvertedTextCommand on an image.

Java

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing.Core; 
 
public void InvertedTextCommandEventArgsExample() 
{ 
   // Load an image 
   RasterCodecs codecs = new RasterCodecs(); 
   codecs.ThrowExceptionsOnInvalidImages = true; 
 
   RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Clean.tif")); 
 
   // Prepare the command 
   InvertedTextCommand command = new InvertedTextCommand(InvertedTextCommandFlags.UseDpi | InvertedTextCommandFlags.CallBackRegion, 5000, 500, 70, 95); 
   command.InvertedText += new EventHandler<InvertedTextCommandEventArgs>(InvertedTextEvent_S4); 
   command.Run(image); 
 
} 
 
private void InvertedTextEvent_S4(object sender, InvertedTextCommandEventArgs e) 
{ 
   InvertedTextCommandEventArgs ee = new InvertedTextCommandEventArgs(e.Image, e.Region, e.BoundingRectangle, e.WhiteCount, e.BlackCount); 
   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 invertedTextCommandEventArgsExample() { 
    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")); 
 
    // Prepare the command 
    InvertedTextCommand command = new InvertedTextCommand( 
            InvertedTextCommandFlags.USE_DPI.getValue() | InvertedTextCommandFlags.CALLBACK_REGION.getValue(), 5000, 
            500, 70, 95); 
    command.addInvertedTextCommandListener(invertedTextEvent_S4); 
    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 saved to " + combine(LEAD_VARS_IMAGES_DIR, "Result.jpg")); 
} 
 
InvertedTextCommandListener invertedTextEvent_S4 = new InvertedTextCommandListener() { 
    @Override 
    public void onInvertedTextEvent(InvertedTextCommandEvent e) { 
        if (e.getRegion() != null) { 
            e.getImage().setRegion(null, e.getRegion(), RasterRegionCombineMode.AND_NOT_REGION); 
        } 
    } 
};

Requirements

Target Platforms

Reference

InvertedTextCommandEventArgs 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