question: public void expandToIntegerLimits ( ) { clip [ 0 ] = Math . floor ( clip [ 0 ] ) ; clip [ 1 ] = Math . floor ( clip [ 1 ] ) ; clip [ 6 ] = Math . ceil ( clip [ 6 ] ) ; clip [ 7 ] = Math . ceil ( clip [ 7 ] ) ; }
target:  Minimally expand the clip such that each coordinate is an integer.