LineRemoveCommandEventArgs Class

Summary

Handles each line found by LineRemoveCommand.

Syntax

Objective-C

C++

Java

public class LineRemoveCommandEventArgs : EventArgs

Public Class LineRemoveCommandEventArgs  
   Inherits System.EventArgs

@interface LTLineRemoveCommandEventArgs : NSObject

public class LineRemoveCommandEvent extends LeadEvent

public ref class LineRemoveCommandEventArgs : public System.EventArgs

Example

Run the LineRemoveCommand on an image.

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); 
 
} 
 
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:\Users\Public\Documents\LEADTOOLS Images"; 
}

Imports Leadtools 
Imports Leadtools.Codecs 
Imports Leadtools.ImageProcessing.Core 
 
Public WithEvents lineRemoveCommand_S4 As LineRemoveCommand 
Public Sub LineRemoveCommandEventArgsExample() 
   Dim codecs As New RasterCodecs() 
   codecs.ThrowExceptionsOnInvalidImages = True 
 
   Dim leadImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Clean.tif")) 
 
   ' Prepare the command 
   lineRemoveCommand_S4 = New LineRemoveCommand(LineRemoveCommandFlags.UseGap Or LineRemoveCommandFlags.CallBackRegion, 200, 5, 7, 10, 2, 2, LineRemoveCommandType.Horizontal) 
   lineRemoveCommand_S4.Run(leadImage) 
 
End Sub 
 
Private Sub LineRemoveCommand_LineRemove_S4(ByVal sender As Object, ByVal e As LineRemoveCommandEventArgs) Handles lineRemoveCommand_S4.LineRemove 
   Dim ee As LineRemoveCommandEventArgs = New LineRemoveCommandEventArgs(e.Image, e.Region, e.StartRow, e.StartColumn, e.Length) 
   e.Status = RemoveStatus.Remove 
   If Not (e.Region Is Nothing) Then 
      e.Image.SetRegion(Nothing, e.Region, RasterRegionCombineMode.AndNotRegion) 
   End If 
End Sub 
 
Public NotInheritable Class LEAD_VARS 
   Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images" 
End Class

c#[Silverlight C# Example] 
using Leadtools; 
using Leadtools.Examples; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing.Core; 
 
public void LineRemoveCommandEventArgsExample(RasterImage image, Stream outStream) 
{ 
   // 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); 
 
   // Save result image 
   RasterCodecs codecs = new RasterCodecs(); 
   codecs.Save(image, outStream, RasterImageFormat.CcittGroup4, 1); 
   image.Dispose(); 
} 
 
private void LineRemoveEvent_S4(object sender, LineRemoveCommandEventArgs e) 
{ 
   LineRemoveCommandEventArgs ee = new LineRemoveCommandEventArgs(e.Image, null, e.StartRow, e.StartColumn, e.Length); 
   e.Status = RemoveStatus.Remove; 
} 
vb[Silverlight VB Example] 
Imports Leadtools 
Imports Leadtools.Codecs 
Imports Leadtools.ImageProcessing.Core 
 
Public Sub LineRemoveCommandEventArgsExample(ByVal image As RasterImage, ByVal outStream As Stream) 
   ' Prepare the command 
   Dim command As LineRemoveCommand = New LineRemoveCommand(LineRemoveCommandFlags.UseGap Or 
                                                            LineRemoveCommandFlags.CallBackRegion, 200, 5, 7, 10, 2, 2, LineRemoveCommandType.Horizontal) 
   AddHandler command.LineRemove, AddressOf LineRemoveEvent_S4 
   command.Run(image) 
 
   ' Save result image 
   Dim codecs As RasterCodecs = New RasterCodecs() 
   codecs.Save(image, outStream, RasterImageFormat.CcittGroup4, 1) 
   image.Dispose() 
End Sub 
 
Private Sub LineRemoveEvent_S4(ByVal sender As Object, ByVal e As LineRemoveCommandEventArgs) 
   Dim ee As LineRemoveCommandEventArgs = New LineRemoveCommandEventArgs(e.Image, Nothing, e.StartRow, e.StartColumn, e.Length) 
   e.Status = RemoveStatus.Remove 
End Sub

Requirements

Target Platforms

Reference

LineRemoveCommandEventArgs Members

Leadtools.ImageProcessing.Core Namespace

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Help Version 20.0.2020.4.3