os2->ySuperscriptYOffset = (ttf->head->ymax - ttf->head->ymin)/2;
os2->yStrikeoutSize = ttf->head->units_per_em / 10;
os2->yStrikeoutPosition = ymid;
os2->ySuperscriptYOffset = (ttf->head->ymax - ttf->head->ymin)/2;
os2->yStrikeoutSize = ttf->head->units_per_em / 10;
os2->yStrikeoutPosition = ymid;