public void add ( IRectangle r ) { int x1 = Math . min ( x , r . x ( ) ) ; int x2 = Math . max ( x + width , r . x ( ) + r . width ( ) ) ; int y1 = Math . min ( y , r . y ( ) ) ; int y2 = Math . max ( y + height , r . y ( ) + r . height ( ) ) ; setBounds ( x1 , y1 , x2 - x1 , y2 - y1 ) ; }
Expands the bounds of this rectangle to contain the supplied rectangle .