void xr_fsm_measure (struct xr_fsm *, cairo_t *, int *w, int *h);
void xr_fsm_draw_all (struct xr_fsm *, cairo_t *);
void xr_fsm_draw_region (struct xr_fsm *, cairo_t *,
int x, int y, int w, int h);
void xr_fsm_measure (struct xr_fsm *, cairo_t *, int *w, int *h);
void xr_fsm_draw_all (struct xr_fsm *, cairo_t *);
void xr_fsm_draw_region (struct xr_fsm *, cairo_t *,
int x, int y, int w, int h);