Region Property

Summary

Gets a LEADTOOLS RasterRegion representing the line to be removed.

Syntax

Objective-C

C++/CLI

Java

Python

public RasterRegion Region { get; }

@property (nonatomic, strong, readonly, nullable) LTRasterRegion *region;

public RasterRegion getRegion()

public: 
property RasterRegion^ Region { 
   RasterRegion^ get(); 
}

Region # get  (LineRemoveCommandEventArgs)

Property Value

LEADTOOLS RasterRegion that represents the line to be removed. The region is valid only while processing the event. It should not be saved or used after the event handler returns.

Example

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing.Core; 
 
public void LineRemoveCommandEventArgsExample() 
{ 
   // Load an image 
   RasterCodecs codecs = new RasterCodecs(); 
   codecs.ThrowExceptionsOnInvalidImages = true; 
 
   RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Clean.tif")); 
 
   // Prepare the command 
   LineRemoveCommand command = new LineRemoveCommand(LineRemoveCommandFlags.UseGap | LineRemoveCommandFlags.CallBackRegion, 200, 5, 7, 10, 2, 2, LineRemoveCommandType.Horizontal); 
   command.LineRemove += new EventHandler<LineRemoveCommandEventArgs>(LineRemoveEvent_S4); 
   command.Run(image); 
   codecs.Save(image, Path.Combine(LEAD_VARS.ImagesDir, "CleanAfterLineRemoveCommandEventArgs.tif"), RasterImageFormat.Tif, 0); 
   codecs.Dispose(); 
   image.Dispose(); 
} 
 
private void LineRemoveEvent_S4(object sender, LineRemoveCommandEventArgs e) 
{ 
   LineRemoveCommandEventArgs ee = new LineRemoveCommandEventArgs(e.Image, e.Region, e.StartRow, e.StartColumn, e.Length); 
   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:\LEADTOOLS22\Resources\Images"; 
}

Requirements

Target Platforms

Reference

LineRemoveCommandEventArgs Class

LineRemoveCommandEventArgs Members

Download our FREE evaluation

Help Version 22.0.2023.11.1

Leadtools.ImageProcessing.Core Assembly

Introduction

Getting Started

Namespaces

Leadtools.ImageProcessing.Core Namespace

Assemblies