ConvertSignedToUnsignedCommand Class

C#
Visual Basic
WinRT C#
Java
Objective-C
WinRT JavaScript
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public class ConvertSignedToUnsignedCommand : Leadtools.ImageProcessing.RasterCommand, Leadtools.ImageProcessing.IRasterCommand

'Declaration

Public Class ConvertSignedToUnsignedCommand 
   Inherits Leadtools.ImageProcessing.RasterCommand
   Implements Leadtools.ImageProcessing.IRasterCommand

'Usage

Dim instance As ConvertSignedToUnsignedCommand

public sealed class ConvertSignedToUnsignedCommand : Leadtools.ImageProcessing.IRasterCommand

@interface LTConvertSignedToUnsignedCommand : LTRasterCommand

public class ConvertSignedToUnsignedCommand extends RasterCommand

function Leadtools.ImageProcessing.Core.ConvertSignedToUnsignedCommand()

public ref class ConvertSignedToUnsignedCommand : public Leadtools.ImageProcessing.RasterCommand, Leadtools.ImageProcessing.IRasterCommand

The image may contain negative pixel values and LEADTOOLS will paint/process the image incorrectly. To use this image correctly the negative pixels should be converted, if it contains negative pixels (if Signed is True).
If the Signed is set to True, this method will shift the color values in the image according to Type property.
The method will also update the MinValue and MaxValue properties of the RasterImage.
.
This method supports 12 and 16-bit grayscale and 48 and 64-bit color images. Support for 12 and 16-bit grayscale and 48 and 64-bit color images is available only in the Document/Medical toolkits.
This command does not support 32-bit grayscale images.

For more information, refer to Introduction to Image Processing With LEADTOOLS.

Run the ConvertSignedToUnsignedCommand on an image. The passed image must be signed image.

C#
Visual Basic
WinRT C#
WinRT JavaScript
Silverlight C#
Silverlight VB

Copy Code

Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing.Core

   
Public Sub ConvertSignedToUnsignedCommandExample()
   Dim codecs As New RasterCodecs()
   codecs.ThrowExceptionsOnInvalidImages = True
   Dim leadImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "IMAGE2.dcm"))

   ' Prepare the command
   Dim command As ConvertSignedToUnsignedCommand = New ConvertSignedToUnsignedCommand
   command.Type = ConvertSignedToUnsignedCommandType.ShiftNegativeToZero
   'convert image to unsigned.
   command.Run(leadImage)

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 ConvertSignedToUnsignedCommandExample()
{
   // Load an image
   RasterCodecs codecs = new RasterCodecs();
   codecs.ThrowExceptionsOnInvalidImages = true;
   RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "IMAGE2.dcm"));

   // Prepare the command
   ConvertSignedToUnsignedCommand command = new ConvertSignedToUnsignedCommand();
   command.Type   = ConvertSignedToUnsignedCommandType.ShiftNegativeToZero;
   //convert image to unsigned.
   command.Run(image);

}

static class LEAD_VARS
{
public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}

function ConvertSignedToUnsignedCommandExample()
{
   var codecs = new Leadtools.Codecs.RasterCodecs();
   codecs.throwExceptionsOnInvalidImages = true;

   // Load the image
   var srcFileName = "Assets\\Image2.dcm";
   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 ConvertSignedToUnsignedCommand();
         command.type   = ConvertSignedToUnsignedCommandType.shiftNegativeToZero;
         //convert image to unsigned.
         command.run(image);
      }
   });
}

using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Core;

      
public async Task ConvertSignedToUnsignedCommandExample()
{
   // Load an image
   RasterCodecs codecs = new RasterCodecs();
   codecs.ThrowExceptionsOnInvalidImages = true;
   // Load the image
   string srcFileName = @"Assets\Image2.dcm";
   StorageFile loadFile = await Tools.AppInstallFolder.GetFileAsync(srcFileName);
   RasterImage image = await codecs.LoadAsync(LeadStreamFactory.Create(loadFile));

   // Prepare the command
   ConvertSignedToUnsignedCommand command = new ConvertSignedToUnsignedCommand();
   command.Type   = ConvertSignedToUnsignedCommandType.ShiftNegativeToZero;
   //convert image to unsigned.
   command.Run(image);

}

using Leadtools;
using Leadtools.Examples;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Core;

public void ConvertSignedToUnsignedCommandExample(RasterImage image)
{
   // Prepare the command
   ConvertSignedToUnsignedCommand command = new ConvertSignedToUnsignedCommand();
   command.Type   = ConvertSignedToUnsignedCommandType.ShiftNegativeToZero;
   //convert image to unsigned.
   command.Run(image);
   image.Dispose();
}

Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing.Core

Public Sub ConvertSignedToUnsignedCommandExample(ByVal image As RasterImage)
   ' Prepare the command
   Dim command As ConvertSignedToUnsignedCommand = New ConvertSignedToUnsignedCommand()
   command.Type = ConvertSignedToUnsignedCommandType.ShiftNegativeToZero
   'convert image to unsigned.
   command.Run(image)
   image.Dispose()
End Sub

Target Platforms

Reference

ConvertSignedToUnsignedCommand Members
Leadtools.ImageProcessing.Core Namespace
Introduction to Image Processing With LEADTOOLS
Detecting Registration Marks
Detecting Registration Marks
Leadtools.ImageProcessing.ClearNegativePixelsCommand
ConvertUnsignedToSignedCommand Class