![](https://secure.gravatar.com/avatar/a0f6b595b0e3b7f3abba19eeb8261fc2.jpg?s=120&d=mm&r=g)
23 Sep
2007
23 Sep
'07
11:49 a.m.
I guess that in LuaTeX you can "compose your own font" on the fly.
That's the virtual fonts Hans mentioned (like a vf in good ol' TeX, but on the fly, as you say). See section 5.2 of the LuaTeX manual (pp. 70-72 as of September 18th), especially the last one with an example. Arthur