gc = new GC( ( (SwtDisplayServer) _ids ).getDevice( ) );
final Display display = (Display) ( (SwtDisplayServer) _ids ).getDevice( ); display.syncExec( new Runnable( ) {  public void run( ) { gc = new GC( display );  } } );
	public SwtTextMetrics( IDisplayServer _ids, Label _la )	{		gc = new GC( ( (SwtDisplayServer) _ids ).getDevice( ) );		ids = _ids;		la = _la;		reuse( la );	}