bug#29078: 25.2; font issue with FreeType 2.8; should not use the rounded ascender and descender

[Vincent Lefevre]

On 2019-11-17 09:02:50 +0100, Lars Ingebrigtsen wrote:
> Vincent Lefevre <vincent@vinc17.net> writes:
> 
> > For TrueType fonts, FreeType 2.8 uses different rounding rules for
> > values in the FT_Size_Metrics structure, which is apparently used
> > by Emacs (since there are visible changes). In particular, one can
> > now have ascender + descender > height. The consequences are:
> >
> > 1. Tables look a bit ugly.
> >
> > 2. Windows (with the same number of text lines) are unnecessarily
> >    higher than before.
> >
> > 3. This can break existing configurations, where Emacs would be
> >    opened at start up, with an expected window size.
> >
> > I could notice changes at least with the default Mono font, which
> > appears to be DejaVu Sans Mono.
> 
> The Emacs font rendering has changed some in Emacs 27 -- are you still
> seeing these problems there?

With a snapsnot from 23 August 2019,  I'm still seeing them.

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Vincent Lefèvre <vincent@vinc17.net> - Web: <https://www.vinc17.net/>
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