Public Function New()

Dim instance As New FastFourierTransformCommand()

public FastFourierTransformCommand()

public:
FastFourierTransformCommand();

Public Sub FastFourierTransformConstructorExample()
   Dim codecs As New RasterCodecs()
   codecs.ThrowExceptionsOnInvalidImages = True

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

   ' Prepare the command
   ' Resize the image to make sure the image's dimensions are power of two.
   Dim sizeCmd As SizeCommand = New SizeCommand(256, 256, RasterSizeFlags.Bicubic)
   sizeCmd.Run(leadImage)

   Dim ftArray As FourierTransformInformation
   ftArray = New FourierTransformInformation(leadImage)

   Dim data() As Complex
   data = ftArray.Data
   Dim width As Integer = ftArray.Width
   Dim height As Integer = ftArray.Height

   ' Apply FFT.
   Dim command As FastFourierTransformCommand
   command = New FastFourierTransformCommand
   command.FourierTransformInformation = ftArray
   command.Flags = FastFourierTransformCommandFlags.FastFourierTransform Or FastFourierTransformCommandFlags.Gray
   command.Run(leadImage)

   Dim rcRect As LeadRect
   rcRect = New LeadRect(0, 0, CType((leadImage.Width / 2), Integer), CType((leadImage.Height / 2), Integer))
   Dim freqCommand As FrequencyFilterCommand
   freqCommand = New FrequencyFilterCommand(ftArray, rcRect, FrequencyFilterCommandFlags.InsideX Or FrequencyFilterCommandFlags.OutsideY)

   Dim invCommand As FastFourierTransformCommand
   invCommand = New FastFourierTransformCommand(ftArray, FastFourierTransformCommandFlags.InverseFastFourierTransform Or FastFourierTransformCommandFlags.Gray Or FastFourierTransformCommandFlags.Scale Or FastFourierTransformCommandFlags.Both)
   invCommand.Run(leadImage)

End Sub

Public NotInheritable Class LEAD_VARS
   Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class

public void FastFourierTransformConstructorExample()
   {
      // Load an image
      RasterCodecs codecs = new RasterCodecs();
      codecs.ThrowExceptionsOnInvalidImages = true;

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

      // Prepare the command
      // Resize the image to make sure the image's dimensions are power of two.
      SizeCommand sizeCommand = new SizeCommand(256, 256, RasterSizeFlags.Bicubic);
      sizeCommand.Run(image);

      FourierTransformInformation ftArray = new FourierTransformInformation(image);
      Complex[] data = ftArray.Data;
      int width = ftArray.Width;
      int height = ftArray.Height;

      // Apply FFT.
      FastFourierTransformCommand command = new FastFourierTransformCommand();
      command.FourierTransformInformation = ftArray;
      command.Flags = FastFourierTransformCommandFlags.FastFourierTransform |  FastFourierTransformCommandFlags.Gray;
      command.Run(image);

      LeadRect rcRect = new LeadRect(0, 0, image.Width / 2, image.Height / 2);
      FrequencyFilterCommand freqCommand = new FrequencyFilterCommand(ftArray, rcRect, FrequencyFilterCommandFlags.InsideX | FrequencyFilterCommandFlags.OutsideY);

      FastFourierTransformCommand invCommand = new FastFourierTransformCommand(ftArray, FastFourierTransformCommandFlags.InverseFastFourierTransform |  FastFourierTransformCommandFlags.Gray | FastFourierTransformCommandFlags.Scale | FastFourierTransformCommandFlags.Both);
      invCommand.Run(image);

   }

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