int font_measure_string(ObFont *f, const char *str, int shadow, int offset);
int font_height(ObFont *f, int shadow, int offset);
int font_max_char_width(ObFont *f);
int font_measure_string(ObFont *f, const char *str, int shadow, int offset);
int font_height(ObFont *f, int shadow, int offset);
int font_max_char_width(ObFont *f);