public void antialiasing(final int ulx,final int uly,final int lrx,final int lry,final int bgcolor){
  filter(ulx,uly,lrx,lry,FilterMode.FILTER_ANTIALIASING,bgcolor);
}

public void antialiasing ( final int ulx , final int uly , final int lrx , final int lry , final int bgcolor ) { filter ( ulx , uly , lrx , lry , FilterMode . FILTER_ANTIALIASING , bgcolor ) ; }
antialiasing filter for a square part of the image
