- dim.asc = max(cell(0).ascent() + 5, cell(1).ascent()) + 2;
- dim.des = max(cell(0).descent() - 5, cell(1).descent()) + 2;
- dim.wid = cell(0).width() + cell(1).width() + 10;
+ Dimension const & dim0 = cell(0).dimension(*mi.base.bv);
+ Dimension const & dim1 = cell(1).dimension(*mi.base.bv);
+ dim.asc = max(dim0.ascent() + 5, dim1.ascent()) + 2;
+ dim.des = max(dim0.descent() - 5, dim1.descent()) + 2;
+ dim.wid = dim0.width() + dim1.width() + 10;