ZoomBlur example for Delphi

procedure TForm1.ZoomBlurClick(Sender: TObject);
var
   ptCenter: TPoint;
begin
   ptCenter.x:= Trunc(LEADImage1.BitmapWidth /2);
   ptCenter.y:= Trunc(LEADImage1.BitmapHeight /2);

   LEADImage1.ZoomBlur( 50, 5, ptCenter );
end;