protected void layoutColumns(int targetSpan,int[] offsets,int[] spans,SizeRequirements[] reqs){
  Arrays.fill(offsets,0);
  Arrays.fill(spans,0);
  colIterator.setLayoutArrays(offsets,spans,targetSpan);
  CSS.calculateTiledLayout(colIterator,targetSpan);
}

protected void layoutColumns ( int targetSpan , int [ ] offsets , int [ ] spans , SizeRequirements [ ] reqs ) { Arrays . fill ( offsets , 0 ) ; Arrays . fill ( spans , 0 ) ; colIterator . setLayoutArrays ( offsets , spans , targetSpan ) ; CSS . calculateTiledLayout ( colIterator , targetSpan ) ; }
layout the columns to fit within the given target span .
