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








Members 
Leadtools.ImageProcessing.Core Namespace : InvertedTextCommandEventArgs Class
Handles each inverted text segment found by InvertedTextCommand.
Object Model
Syntax
public class InvertedTextCommandEventArgs : System.EventArgs 
'Declaration
 

Public Class InvertedTextCommandEventArgs 
   Inherits System.EventArgs
'Usage
 

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

Runs the InvertedTextCommand on an image.

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

Public WithEvents invertedTextCommand_S4 As InvertedTextCommand
   
Public Sub InvertedTextCommandEventArgsExample()
   Dim codecs As New RasterCodecs()
   codecs.ThrowExceptionsOnInvalidImages = True
   Dim leadImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Clean.tif"))

   ' Prepare the command
   invertedTextCommand_S4 = New InvertedTextCommand(InvertedTextCommandFlags.UseDpi Or InvertedTextCommandFlags.CallBackRegion, 5000, 500, 70, 95)
   invertedTextCommand_S4.Run(leadImage)

End Sub

Private Sub InvertedTextCommand_InvertedText_S4(ByVal sender As Object, ByVal e As InvertedTextCommandEventArgs) Handles invertedTextCommand_S4.InvertedText
   Dim ee As InvertedTextCommandEventArgs = New InvertedTextCommandEventArgs(e.Image, e.Region, e.BoundingRectangle, e.WhiteCount, e.BlackCount)
   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
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:\Users\Public\Documents\LEADTOOLS Images";
}
function InvertedTextCommandEventArgsExample() {
   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 InvertedTextCommand(InvertedTextCommandFlags.useDpi | InvertedTextCommandFlags.callBackRegion, 5000, 500, 70, 95);
         command.addEventListener("invertedtext", InvertedTextEvent_S4);
         command.run(image);
      }
   });
}

function InvertedTextEvent_S4(e) {
   with (Leadtools.ImageProcessing.Core) {
      var 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, Leadtools.RasterRegionCombineMode.andNotRegion);
   }
}
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Core;

      
public async Task InvertedTextCommandEventArgsExample()
{
   // 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
   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);
   }
}
using Leadtools;
using Leadtools.Examples;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Core;

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

private void InvertedTextEvent_S4(object sender, InvertedTextCommandEventArgs e)
{
   InvertedTextCommandEventArgs ee = new InvertedTextCommandEventArgs(e.Image, null, e.BoundingRectangle, e.WhiteCount, e.BlackCount);
   e.Status = RemoveStatus.Remove;
}
Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing.Core

Public Sub InvertedTextCommandEventArgsExample(ByVal image As RasterImage, ByVal outStream As Stream)
   ' Prepare the command
   Dim command As InvertedTextCommand = New InvertedTextCommand(InvertedTextCommandFlags.UseDpi Or InvertedTextCommandFlags.CallBackRegion, 5000, 500, 70, 95)
   AddHandler command.InvertedText, AddressOf InvertedTextEvent_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 InvertedTextEvent_S4(ByVal sender As Object, ByVal e As InvertedTextCommandEventArgs)
   Dim ee As InvertedTextCommandEventArgs = New InvertedTextCommandEventArgs(e.Image, Nothing, e.BoundingRectangle, e.WhiteCount, e.BlackCount)
   e.Status = RemoveStatus.Remove
End Sub
Requirements

Target Platforms

See Also

Reference

InvertedTextCommandEventArgs Members
Leadtools.ImageProcessing.Core Namespace

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