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LEADTOOLS Image Processing (Leadtools.ImageProcessing.Core assembly)
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DotRemoveCommandEventArgs Class








Members 
Leadtools.ImageProcessing.Core Namespace : DotRemoveCommandEventArgs Class
Handles each dot found by DotRemoveCommand.
Object Model
Syntax
public class DotRemoveCommandEventArgs : System.EventArgs 
'Declaration
 

Public Class DotRemoveCommandEventArgs 
   Inherits System.EventArgs
'Usage
 

Dim instance As DotRemoveCommandEventArgs
public sealed class DotRemoveCommandEventArgs : ~Remove~ 
@interface LTDotRemoveCommandEventArgs : NSObject
public class DotRemoveCommandEvent extends LeadEvent
function Leadtools.ImageProcessing.Core.DotRemoveCommandEventArgs()
public ref class DotRemoveCommandEventArgs : public System.EventArgs
Example

Run the DotRemoveCommand on an image.

Copy Code   
Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing.Core

Public WithEvents dotRemoveCommandCallback_S4 As DotRemoveCommand
   
Public Sub DotRemoveCommandEventArgsExample()
   Dim codecs As New RasterCodecs()
   codecs.ThrowExceptionsOnInvalidImages = True
   Dim leadImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Clean.tif"))

   ' Prepare the command
   dotRemoveCommandCallback_S4 = New DotRemoveCommand(DotRemoveCommandFlags.UseSize Or DotRemoveCommandFlags.CallBackRegion, 1, 1, 10, 10)
   dotRemoveCommandCallback_S4.Run(leadImage)

End Sub

Private Sub DotRemoveCommand_DotRemove_S4(ByVal sender As Object, ByVal e As DotRemoveCommandEventArgs) Handles dotRemoveCommandCallback_S4.DotRemove
   Dim ee As DotRemoveCommandEventArgs = 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) Then
      e.Status = RemoveStatus.NoRemove
   Else
      e.Status = RemoveStatus.Remove
   End If

   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
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:\Users\Public\Documents\LEADTOOLS Images";
}
function DotRemoveCommandEventArgsExample() {
   var codecs = new Leadtools.Codecs.RasterCodecs();
   codecs.throwExceptionsOnInvalidImages = true;

   // Load the image
   var srcFileName = "Assets\\Clean.tif";
   return Tools.AppInstallFolder().getFileAsync(srcFileName).then(function (loadFile) {
      return codecs.loadAsync(Leadtools.LeadStreamFactory.create(loadFile));
   }).then(function (image) {
      // Prepare the command
      with (Leadtools.ImageProcessing.Core) {
         var command = new DotRemoveCommand(DotRemoveCommandFlags.useSize | DotRemoveCommandFlags.callBackRegion, 1, 1, 10, 10);
         command.addEventListener("dotremove", DotRemoveEvent_S4);
         command.run(image);
      }
   });
}

function DotRemoveEvent_S4(e) {

   with (Leadtools.ImageProcessing.Core) {
      var 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, Leadtools.RasterRegionCombineMode.andNotRegion);
      }
   }
}
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Core;

      
public async Task DotRemoveCommandEventArgsExample()
{
   // Load an image
   RasterCodecs codecs = new RasterCodecs();
   codecs.ThrowExceptionsOnInvalidImages = true;
   // Load the image
   string srcFileName = @"Assets\Clean.tif";
   StorageFile loadFile = await Tools.AppInstallFolder.GetFileAsync(srcFileName);
   RasterImage image = await codecs.LoadAsync(LeadStreamFactory.Create(loadFile));

   // 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);
   }
}
using Leadtools;
using Leadtools.Examples;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Core;

public void DotRemoveCommandEventArgsExample(RasterImage image, Stream outStream)
{
   // 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);
   // Save result image
   RasterCodecs codecs = new RasterCodecs();
   codecs.Save(image, outStream, RasterImageFormat.CcittGroup4, 1);
   image.Dispose();
}

private void DotRemoveEvent_S4(object sender, DotRemoveCommandEventArgs e)
{
   DotRemoveCommandEventArgs ee = new DotRemoveCommandEventArgs(e.Image,null, 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;
   }
}
Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing.Core

Public Sub DotRemoveCommandEventArgsExample(ByVal image As RasterImage, ByVal outStream As Stream)
   ' Prepare the command
   Dim command As DotRemoveCommand = New DotRemoveCommand(DotRemoveCommandFlags.UseSize Or DotRemoveCommandFlags.CallBackRegion, 1, 1, 10, 10)
   AddHandler command.DotRemove, AddressOf DotRemoveEvent_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 DotRemoveEvent_S4(ByVal sender As Object, ByVal e As DotRemoveCommandEventArgs)
   Dim ee As DotRemoveCommandEventArgs = New DotRemoveCommandEventArgs(e.Image,Nothing, e.BoundingRectangle, e.WhiteCount, e.BlackCount)
   ' Do not remove the speck if it contains any white pixels
   If e.WhiteCount > 0 Then
      e.Status= RemoveStatus.NoRemove
   Else
      e.Status= RemoveStatus.Remove
   End If
End Sub
Requirements

Target Platforms

See Also

Reference

DotRemoveCommandEventArgs Members
Leadtools.ImageProcessing.Core Namespace

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