void painter_set_window(sfRenderWindow *window); void painter_load_font(char *filename); void painter_destroy_font(); unsigned long painter_register_field(struct field *fld); void painter_update_field(unsigned long id, struct field *fld); unsigned long painter_register_text(struct text *txt); void painter_update_text(unsigned long id, struct text *txt); void painter_draw(); void painter_destroy_drawable(unsigned long id); void painter_destroy_drawables(); void painter_destroy_all();