int (*text_get_size) (struct outp_driver *, int *em_width);
void (*text_metrics) (struct outp_driver *, struct outp_text *);
void (*text_draw) (struct outp_driver *, struct outp_text *);
int (*text_get_size) (struct outp_driver *, int *em_width);
void (*text_metrics) (struct outp_driver *, struct outp_text *);
void (*text_draw) (struct outp_driver *, struct outp_text *);