- LyXFont & font = mi.base.font;
- dim.asc = font_metrics::maxAscent(font);
- dim.des = font_metrics::maxDescent(font);
- dim.wid = font_metrics::width('n', font);
+ frontend::FontMetrics const & fm = theFontMetrics(mi.base.font);
+ dim.asc = fm.maxAscent();
+ dim.des = fm.maxDescent();
+ dim.wid = fm.width('n');
+ bool const changed = dim_ != dim;