0, 0, st->delta->width, st->delta->height,
(st->xgwa.width - st->delta->width) / 2,
(st->xgwa.height - st->delta->height) / 2);
0, 0, st->delta->width, st->delta->height,
(st->xgwa.width - st->delta->width) / 2,
(st->xgwa.height - st->delta->height) / 2);