[Fontconfig] How to block glyph fallback in a QT application?

[Janusz S. Bien]

Quote/Cytat - Konstantin Ritt <ritt.ks at gmail.com> (Wed 08 Jan 2014  
01:58:46 AM CET):

Thank you very much for your explanation.

> If you're talking about the font fallback implementation:
> If a font has a gaps in coverage for characters in a given script, then Qt
> asks FT for a font that best matches the family, style, size, and script
> (the "most-common" language for that script).

Is it possible to switch on tracing of the selection process?

> In case of ambiguous script,
> like Inherited, Common, or Han, the language is determined from the
> environment. If some of those not covered characters still not covered with
> this font, the loop continues.
>
> If that's not what you was asking about, plz provide a context.

I have to make some additional tests.

Best regards

Janusz

-- 
Prof. dr hab. Janusz S. Bień -  Uniwersytet Warszawski (Katedra  
Lingwistyki Formalnej)
Prof. Janusz S. Bień - University of Warsaw (Formal Linguistics Department)
jsbien at uw.edu.pl, jsbien at mimuw.edu.pl, http://fleksem.klf.uw.edu.pl/~jsbien/