LEADTOOLS Image Processing (Leadtools.ImageProcessing.Core assembly)
LEAD Technologies, Inc

InvertedTextCommandEventArgs Class

Example 





Members 
Handles each inverted text segment found by InvertedTextCommand. .NET support WinRT support Silverlight support
Object Model
InvertedTextCommandEventArgs Class
Syntax
public class InvertedTextCommandEventArgs : System.EventArgs 
'Declaration
 
Public Class InvertedTextCommandEventArgs 
   Inherits System.EventArgs
'Usage
 
Dim instance As InvertedTextCommandEventArgs
public sealed class InvertedTextCommandEventArgs : ~Remove~ 
function Leadtools.ImageProcessing.Core.InvertedTextCommandEventArgs()
public ref class InvertedTextCommandEventArgs : public System.EventArgs 
Example
 
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
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);
   }
}
[TestMethod]
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);
   }
}
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;
}
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: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

See Also

Reference

InvertedTextCommandEventArgs Members
Leadtools.ImageProcessing.Core Namespace

 

 


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