/* maximum number of colours that can be used.

  actual number is now passed to initcolors */

#define MAXNETSIZE	256

/* For 256 colours, fixed arrays need 8kb, plus space for the image

   ---------------------------------------------------------------- */

/* four primes near 500 - assume no image has a length so large */

/* that it is divisible by all four primes */

#define prime1		499

#define prime2		491

#define prime3		487

#define prime4		503

#define minpicturebytes	(4*prime4)		/* minimum size for input image */