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

RegionHolesRemovalCommand Class

Example 





Members 
Removes all the holes in a region. This command is available in the Document/Medical Toolkits. .NET support WinRT support
Object Model
RegionHolesRemovalCommand Class
Syntax
'Declaration
 
Public Class RegionHolesRemovalCommand 
   Inherits Leadtools.ImageProcessing.RasterCommand
   Implements Leadtools.ImageProcessing.IRasterCommand 
'Usage
 
Dim instance As RegionHolesRemovalCommand
public sealed class RegionHolesRemovalCommand : Leadtools.ImageProcessing.IRasterCommand  
function Leadtools.ImageProcessing.Effects.RegionHolesRemovalCommand()
public ref class RegionHolesRemovalCommand : public Leadtools.ImageProcessing.RasterCommand, Leadtools.ImageProcessing.IRasterCommand  
Remarks
Example
 
Public Sub RegionHolesRemovalCommandExample()
   Dim codecs As New RasterCodecs()
   codecs.ThrowExceptionsOnInvalidImages = True

   Dim leadImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Master.jpg"))

   ' Prepare the command
   Dim rcRect As LeadRect = New LeadRect(leadImage.Width \ 8, leadImage.Height \ 8, leadImage.Width \ 2 + leadImage.Width \ 8, leadImage.Height \ 2 + leadImage.Height \ 8)
   leadImage.AddEllipseToRegion(Nothing, rcRect, RasterRegionCombineMode.SetNot)
   Dim command As RegionHolesRemovalCommand = New RegionHolesRemovalCommand
   command.Run(leadImage)
   codecs.Save(leadImage, Path.Combine(LEAD_VARS.ImagesDir, "Result.jpg"), RasterImageFormat.Jpeg, 24)

End Sub

Public NotInheritable Class LEAD_VARS
   Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class
public void RegionHolesRemovalCommandExample()
   {
      // Load an image
      RasterCodecs codecs = new RasterCodecs();
      codecs.ThrowExceptionsOnInvalidImages = true;

      RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Master.jpg"));

      // Prepare the command
      LeadRect rcRect = new LeadRect(image.Width / 8, image.Height / 8, image.Width / 2 + image.Width / 8, image.Height / 2 + image.Height / 8);
      image.AddEllipseToRegion(null, rcRect, RasterRegionCombineMode.SetNot);
      RegionHolesRemovalCommand command = new RegionHolesRemovalCommand();
      command.Run(image);
      codecs.Save(image, Path.Combine(LEAD_VARS.ImagesDir, "Result.jpg"), RasterImageFormat.Jpeg, 24);

   }

static class LEAD_VARS
{
   public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}
[TestMethod]
public async Task RegionHolesRemovalCommandExample()
{
   // Load an image
   RasterCodecs codecs = new RasterCodecs();
   codecs.ThrowExceptionsOnInvalidImages = true;
   // Load the image
   string srcFileName = @"Assets\Image1.cmp";
   StorageFile loadFile = await Tools.AppInstallFolder.GetFileAsync(srcFileName);
   RasterImage image = await codecs.LoadAsync(LeadStreamFactory.Create(loadFile));


   // Prepare the command
   LeadRect rcRect = LeadRectHelper.Create(image.Width / 8, image.Height / 8, image.Width / 2 + image.Width / 8, image.Height / 2 + image.Height / 8);
   image.AddEllipseToRegion(null, rcRect, RasterRegionCombineMode.SetNot);
   RegionHolesRemovalCommand command = new RegionHolesRemovalCommand();
   command.Run(image);
   //Save as BMP
   string destFileName = @"result.bmp";
   StorageFile saveFile = await Tools.AppLocalFolder.CreateFileAsync(destFileName);
   await codecs.SaveAsync(image, LeadStreamFactory.Create(saveFile), RasterImageFormat.Bmp, 24);

}
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

RegionHolesRemovalCommand Members
Leadtools.ImageProcessing.Effects Namespace
Cleaning Up 1-Bit Images
Leadtools.ImageProcessing.Core.SmoothCommand
Leadtools.ImageProcessing.Core.BorderRemoveCommand
Leadtools.ImageProcessing.Core.LineRemoveCommand
Leadtools.ImageProcessing.Core.InvertedTextCommand
Leadtools.ImageProcessing.Core.InvertedPageCommand
Leadtools.ImageProcessing.Core.DotRemoveCommand
Leadtools.ImageProcessing.Core.HolePunchRemoveCommand
Leadtools.ImageProcessing.Core.HighQualityRotateCommand
Leadtools.ImageProcessing.Color.IntensityDetectCommand
SpatialFilterCommand Class
BinaryFilterCommand Class
Leadtools.ImageProcessing.Core.MinimumCommand
Leadtools.ImageProcessing.Core.MaximumCommand

 

 


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