public void recomputeBounds ( ) { bounds = new Rectangular ( visual ) ; for ( int i = 0 ; i < getChildCount ( ) ; i ++ ) { BoxNode child = ( BoxNode ) getChildAt ( i ) ; child . recomputeBounds ( ) ; expandToEnclose ( child ) ; } }
Recomputes the total bounds of the whole subtree . The bounds of each box will correspond to its visual bounds . If the child boxes exceed the parent box the parent box bounds will be expanded accordingly .