public static void main ( String [ ] args ) {
  int x_wmax = 80 , y_wmax = 80 , x_wmin = 20 , y_wmin = 40 ;
  int x_vmax = 60 , y_vmax = 60 , x_vmin = 30 , y_vmin = 40 ;
  int x_w = 30 , y_w = 80 ;
  WindowtoViewport ( 30 , 80 , 80 , 80 , 20 , 40 , 60 , 60 , 30 , 40 ) ;
}

public static void main ( String [ ] args ) { int x_wmax = 80 , y_wmax = 80 , x_wmin = 20 , y_wmin = 40 ; int x_vmax = 60 , y_vmax = 60 , x_vmin = 30 , y_vmin = 40 ; int x_w = 30 , y_w = 80 ; WindowtoViewport ( 30 , 80 , 80 , 80 , 20 , 40 , 60 , 60 , 30 , 40 ) ; }
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