if (st->radius >= 128) /* should use UCHAR_MAX? */
st->radius = 127; /* st->dradius should fit in u_char */
+ if (st->iWinWidth < 100 || st->iWinHeight < 100) /* tiny window */
+ if (st->radius < 20)
+ st->radius = 20;
+
st->dradius = st->radius * 2;
st->sradius = st->radius * st->radius;