RadWave example for Delphi
procedure TForm1.RadWaveClick(Sender: TObject);
var
ptCenter: TPoint;
begin
ptCenter.x:= Trunc(LEADImage1.BitmapWidth /2);
ptCenter.y:= Trunc(LEADImage1.BitmapHeight /2);
LEADImage1.RadWave( 5, 25, 0, ptCenter, 0, FILL_RPT Or DIS_FRQ );
end;