- x -= font_metrics::center(accent, font);
- y -= font_metrics::ascent(ic, font);
- y -= font_metrics::descent(accent, font);
- y -= font_metrics::height(accent, font) / 2;
+ frontend::FontMetrics const & fm = theFontMetrics(font);
+
+ x -= fm.center(accent);
+ y -= fm.ascent(ic);
+ y -= fm.descent(accent);
+ y -= fm.height(accent) / 2;