st->erase_gc = XCreateGC (dpy, window, GCForeground|GCLineWidth|GCCapStyle,&gcv);
st->erase_gc = XCreateGC (dpy, window, GCForeground|GCLineWidth|GCCapStyle,&gcv);
jwxyz_XSetAntiAliasing (dpy, st->draw_gc, False);
jwxyz_XSetAntiAliasing (dpy, st->erase_gc, False);
#endif
jwxyz_XSetAntiAliasing (dpy, st->draw_gc, False);
jwxyz_XSetAntiAliasing (dpy, st->erase_gc, False);
#endif