Leadtools.ImageProcessing.Core Namespace : DotRemoveCommand Class |
public class DotRemoveCommand : Leadtools.ImageProcessing.RasterCommand, Leadtools.ImageProcessing.IRasterCommand
'Declaration Public Class DotRemoveCommand Inherits Leadtools.ImageProcessing.RasterCommand Implements Leadtools.ImageProcessing.IRasterCommand
'Usage Dim instance As DotRemoveCommand
public sealed class DotRemoveCommand : Leadtools.ImageProcessing.IRasterCommand
function Leadtools.ImageProcessing.Core.DotRemoveCommand()
public ref class DotRemoveCommand : public Leadtools.ImageProcessing.RasterCommand, Leadtools.ImageProcessing.IRasterCommand
In Silverlight and Windows Phone versions of LEADTOOLS, this image processing command will fail if the image data for the RasterImage object is stored internally using a Silverlight WriteableBitmap object. For more information, refer to Image Processing Command Limitations in Silverlight.
Public WithEvents dotRemoveCommandCallback_S1 As DotRemoveCommand Public Sub DotRemoveCommandExample() 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_S1 = New DotRemoveCommand dotRemoveCommandCallback_S1.Flags = DotRemoveCommandFlags.UseSize dotRemoveCommandCallback_S1.MaximumDotHeight = 10 dotRemoveCommandCallback_S1.MaximumDotWidth = 10 dotRemoveCommandCallback_S1.MinimumDotHeight = 1 dotRemoveCommandCallback_S1.MinimumDotWidth = 1 dotRemoveCommandCallback_S1.Run(leadImage) End Sub Private Sub DotRemoveCommand_DotRemove_S1(ByVal sender As Object, ByVal e As DotRemoveCommandEventArgs) Handles dotRemoveCommandCallback_S1.DotRemove MessageBox.Show("Size " + Convert.ToString(e.BoundingRectangle.Width) + Convert.ToString(e.BoundingRectangle.Height) + "Bounds" _ + Convert.ToString(e.BoundingRectangle.Left) + "," + Convert.ToString(e.BoundingRectangle.Top) + "," + Convert.ToString(e.BoundingRectangle.Right) + "," + Convert.ToString(e.BoundingRectangle.Bottom) + "," _ + " WhiteCount" + Convert.ToString(e.WhiteCount) + " BlackCount" + Convert.ToString(e.BlackCount), "DotRemove Event") '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 Public NotInheritable Class LEAD_VARS Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images" End Class
public void DotRemoveCommandExample() { // 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(); command.DotRemove += new EventHandler<DotRemoveCommandEventArgs>(DotRemoveEvent_S1); command.Flags = DotRemoveCommandFlags.UseSize ; command.MaximumDotHeight = 10; command.MaximumDotWidth = 10; command.MinimumDotHeight = 1; command.MinimumDotWidth = 1; command.Run(image); } private void DotRemoveEvent_S1(object sender, DotRemoveCommandEventArgs e) { MessageBox.Show("Size " + e.BoundingRectangle.Width + e.BoundingRectangle.Height + "Bounds" + e.BoundingRectangle.Left + ","+ e.BoundingRectangle.Top + ","+ e.BoundingRectangle.Right + ","+ e.BoundingRectangle.Bottom + "," + " WhiteCount" + e.WhiteCount + " BlackCount"+ e.BlackCount,"DotRemove Event" ); //Do not remove the speck if it contains any white pixels if (e.WhiteCount > 0) { e.Status = RemoveStatus.NoRemove; } else { e.Status = RemoveStatus.Remove; } } static class LEAD_VARS { public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images"; }
function DotRemoveCommandExample() { 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(); command.addEventListener("dotremove", DotRemoveEvent_S1); command.flags = DotRemoveCommandFlags.useSize; command.maximumDotHeight = 10; command.maximumDotWidth = 10; command.minimumDotHeight = 1; command.minimumDotWidth = 1; command.run(image); } }); } function DotRemoveEvent_S1(e) { console.error("Size " + e.boundingRectangle.width + "," + e.boundingRectangle.height + " Bounds " + e.boundingRectangle.x + "," + e.boundingRectangle.y + "," + e.boundingRectangle.width + "," + e.boundingRectangle.height + " WhiteCount " + e.whiteCount + " BlackCount " + e.blackCount, " DotRemove Event"); with (Leadtools.ImageProcessing.Core) { //Do not remove the speck if it contains any white pixels if (e.whiteCount > 0) { e.status = RemoveStatus.noRemove; } else { e.status = RemoveStatus.remove; } } }
[TestMethod] public async Task DotRemoveCommandExample() { // 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(); command.DotRemove += new EventHandler<DotRemoveCommandEventArgs>(DotRemoveEvent_S1); command.Flags = DotRemoveCommandFlags.UseSize ; command.MaximumDotHeight = 10; command.MaximumDotWidth = 10; command.MinimumDotHeight = 1; command.MinimumDotWidth = 1; command.Run(image); } private void DotRemoveEvent_S1(object sender, DotRemoveCommandEventArgs e) { Debug.WriteLine("Size " + e.BoundingRectangle.Width + e.BoundingRectangle.Height + "Bounds" + e.BoundingRectangle.X + ","+ e.BoundingRectangle.Y + ","+ e.BoundingRectangle.Width + ","+ e.BoundingRectangle.Height + "," + " WhiteCount" + e.WhiteCount + " BlackCount"+ e.BlackCount,"DotRemove Event" ); //Do not remove the speck if it contains any white pixels if (e.WhiteCount > 0) { e.Status = RemoveStatus.NoRemove; } else { e.Status = RemoveStatus.Remove; } }
public void DotRemoveCommandExample(RasterImage image, Stream outStream) { // Prepare the command DotRemoveCommand command = new DotRemoveCommand(); command.DotRemove += new EventHandler<DotRemoveCommandEventArgs>(DotRemoveEvent_S1); command.Flags = DotRemoveCommandFlags.UseSize ; command.MaximumDotHeight = 10; command.MaximumDotWidth = 10; command.MinimumDotHeight = 1; command.MinimumDotWidth = 1; command.Run(image); // Save result image RasterCodecs codecs = new RasterCodecs(); codecs.Save(image, outStream, RasterImageFormat.CcittGroup4, 1); image.Dispose(); } private void DotRemoveEvent_S1(object sender, DotRemoveCommandEventArgs e) { Debug.WriteLine("Size " + e.BoundingRectangle.Width + e.BoundingRectangle.Height + "Bounds" + e.BoundingRectangle.Left + ","+ e.BoundingRectangle.Top + ","+ e.BoundingRectangle.Right + ","+ e.BoundingRectangle.Bottom + "," + " WhiteCount" + e.WhiteCount + " BlackCount"+ e.BlackCount,"DotRemove Event", MessageBoxButton.OK ); //Do not remove the speck if it contains any white pixels if (e.WhiteCount > 0) { e.Status = RemoveStatus.NoRemove; } else { e.Status = RemoveStatus.Remove; } }
Public Sub DotRemoveCommandExample(ByVal image As RasterImage, ByVal outStream As Stream)
' Prepare the command
Dim command As DotRemoveCommand = New DotRemoveCommand()
AddHandler command.DotRemove, AddressOf DotRemoveEvent_S1
command.Flags = DotRemoveCommandFlags.UseSize
command.MaximumDotHeight = 10
command.MaximumDotWidth = 10
command.MinimumDotHeight = 1
command.MinimumDotWidth = 1
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_S1(ByVal sender As Object, ByVal e As DotRemoveCommandEventArgs)
Debug.WriteLine("Size " & e.BoundingRectangle.Width + e.BoundingRectangle.Height & "Bounds" & e.BoundingRectangle.Left & "," & _
e.BoundingRectangle.Top & "," & e.BoundingRectangle.Right & "," & e.BoundingRectangle.Bottom & "," & " _
WhiteCount" & e.WhiteCount & " BlackCount" & e.BlackCount,"DotRemove Event", MessageBoxButton.OK)
'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
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
DotRemoveCommand Members
Leadtools.ImageProcessing.Core Namespace
Cleaning Up 1-Bit Images
SmoothCommand Class
BorderRemoveCommand Class
LineRemoveCommand Class
InvertedTextCommand Class
InvertedPageCommand Class
HolePunchRemoveCommand Class
HighQualityRotateCommand Class
MinimumCommand Class
MaximumCommand Class
Leadtools.ImageProcessing.Effects.RegionHolesRemovalCommand