st->lenses = get_boolean_resource(st->dpy, "lenses", "Boolean");
st->lensoffsetx = get_integer_resource(st->dpy, "lensoffsetx", "Integer");
st->lensoffsetx = MAX(0, MIN(st->pixwidth, st->lensoffsetx));
st->lenses = get_boolean_resource(st->dpy, "lenses", "Boolean");
st->lensoffsetx = get_integer_resource(st->dpy, "lensoffsetx", "Integer");
st->lensoffsetx = MAX(0, MIN(st->pixwidth, st->lensoffsetx));