rb_define_method(Font, "kerning", font_kerning, 0);
rb_define_method(Font, "get_kerning_table", font_kerning, 0);
rb_define_method(Font, "save_ttf", font_save_ttf, 1);
rb_define_method(Font, "kerning", font_kerning, 0);
rb_define_method(Font, "get_kerning_table", font_kerning, 0);
rb_define_method(Font, "save_ttf", font_save_ttf, 1);