Re: Clarification on Font size calculation using Pango

[Behdad Esfahbod <behdad behdad org>]

arjuna rao chavala wrote:
> Hi,
> I have reported a bug about incorrect title bar sizing when displaying
> indic-telugu text on title bar.
> http://bugzilla.gnome.org/show_bug.cgi?id=571056

Replying on the bug.

behdad

> The question mark is pointed to pango as the below extract from the
> above bug shows.
> Any feedback will be helpful in addressing this usability feature which
> must be impacting several languages in Linux.
> 
> Regards
> Arjun
> ------- Comment #3 from Thomas Thurman  2009-02-09 16:34 UTC -------
> Any Pango experts reading this?  Metacity calculates the height thus:
> 
>  PangoFontMetrics *metrics;
>  PangoLanguage *lang;
> 
>  lang = pango_context_get_language (context);
>  metrics = pango_context_get_metrics (context, font_desc, lang);
> 
>  retval = PANGO_PIXELS (pango_font_metrics_get_ascent (metrics) +
>                         pango_font_metrics_get_descent (metrics));
> 
>  pango_font_metrics_unref (metrics);
> 
> According to
> http://library.gnome.org/devel/pango/unstable/pango-Fonts.html#PangoFontMetrics
> 
> the ascent plus the descent *ought* to be the greatest possible height
> of any
> character in the font.  Is this a misinterpretation on Metacity's part,
> or is
> this a problem with the font or with Pango?
> 
> 
> ------------------------------------------------------------------------
> 
> _______________________________________________
> gtk-i18n-list mailing list
> gtk-i18n-list gnome org
> http://mail.gnome.org/mailman/listinfo/gtk-i18n-list