Public Sub Transform( _
   ByVal xform As RasterRegionXForm _
) 

Dim instance As RasterRegion
Dim xform As RasterRegionXForm
 
instance.Transform(xform)

public void Transform( 
   RasterRegionXForm xform
)

public:
void Transform( 
   RasterRegionXForm^ xform
) 

Public Sub RasterRegionTransformExample()
      Dim codecs As New RasterCodecs()

      Dim srcFileName As String = Path.Combine(LEAD_VARS.ImagesDir, "Image1.cmp")
      Dim destFileName As String = Path.Combine(LEAD_VARS.ImagesDir, "Image1_TransformRegion.bmp")

      ' Load the source image
      Using image As RasterImage = codecs.Load(srcFileName, 0, CodecsLoadByteOrder.BgrOrGray, 1, 1)
         ' Add a large elliptical region 
         image.AddEllipseToRegion(Nothing, New LeadRect(0, 0, image.ImageWidth, image.ImageHeight), RasterRegionCombineMode.Set)

         ' Fill the image with yellow
         Dim cmd As New FillCommand(RasterColor.FromKnownColor(RasterKnownColor.Yellow))
         cmd.Run(image)

         ' Get the region
         Using region As RasterRegion = image.GetRegion(Nothing)
            ' Transform this region by making it twice as small
            Dim bounds As LeadRect = region.GetBounds()

            Dim xform As RasterRegionXForm = RasterRegionXForm.Default

            xform.XScalarNumerator = 1
            xform.XScalarDenominator = 2
            xform.YScalarNumerator = 1
            xform.YScalarDenominator = 2

            xform.XOffset = bounds.Width \ 2
            xform.YOffset = bounds.Height \ 2

            region.Transform(xform)

            ' Re-set this region into the image
            image.SetRegion(Nothing, region, RasterRegionCombineMode.Set)
         End Using

         ' Now fill with red and save
         cmd = New FillCommand(RasterColor.FromKnownColor(RasterKnownColor.Red))
         cmd.Run(image)

         codecs.Save(image, destFileName, RasterImageFormat.Bmp, 24)
      End Using

      codecs.Dispose()
   End Sub

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

public void RasterRegionTransformExample()
   {
      RasterCodecs codecs = new RasterCodecs();

      string srcFileName = Path.Combine(LEAD_VARS.ImagesDir, "Image1.cmp");
      string destFileName = Path.Combine(LEAD_VARS.ImagesDir, "Image1_TransformRegion.bmp");

      // Load the source image
      using(RasterImage image = codecs.Load(srcFileName, 0, CodecsLoadByteOrder.BgrOrGray, 1, 1))
      {
         // Add a large elliptical region 
         image.AddEllipseToRegion(null, new LeadRect(0, 0, image.ImageWidth, image.ImageHeight), RasterRegionCombineMode.Set);

         // Fill the image with yellow
         FillCommand cmd = new FillCommand(RasterColor.FromKnownColor(RasterKnownColor.Yellow));
         cmd.Run(image);

         // Get the region
         using(RasterRegion region = image.GetRegion(null))
         {
            // Transform this region by making it twice as small
            LeadRect bounds = region.GetBounds();

            RasterRegionXForm xform = RasterRegionXForm.Default;

            xform.XScalarNumerator = 1;
            xform.XScalarDenominator = 2;
            xform.YScalarNumerator = 1;
            xform.YScalarDenominator = 2;

            xform.XOffset = bounds.Width / 2;
            xform.YOffset = bounds.Height / 2;

            region.Transform(xform);

            // Re-set this region into the image
            image.SetRegion(null, region, RasterRegionCombineMode.Set);
         }

         // Now fill with red and save
         cmd = new FillCommand(RasterColor.FromKnownColor(RasterKnownColor.Red));
         cmd.Run(image);

         codecs.Save(image, destFileName, RasterImageFormat.Bmp, 24);
      }

      codecs.Dispose();
   }

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