font_text_advance 8105 imlib2.c         rb_define_method(cFont, "advance", font_text_advance, 1);
font_text_advance 8106 imlib2.c         rb_define_method(cFont, "text_advance", font_text_advance, 1);
font_text_advance 8107 imlib2.c         rb_define_method(cFont, "get_text_advance", font_text_advance, 1);