[cairo] OpenType font variations and cairo

[Behdad Esfahbod]

On Thu, Sep 28, 2017 at 7:53 PM, Adrian Johnson <ajohnson at redneon.com>
wrote:

> On 29/09/17 09:02, Behdad Esfahbod wrote:
> > On Thu, Sep 28, 2017 at 7:29 PM, Adrian Johnson <ajohnson at redneon.com
> >     I looked into it and it seems to be the same problem Matthias fixed
> in
> >     a827d7e515c7c. I applied a similar patch to fontconfig (see attached)
> >     and fc-cache and fc-query now work.
> >
> > Yeah, bad bad FreeType. Humm.  Not sure if I like to take that patch.  I
> > prefer to bump required FreeType version to 2.8.1.  Suggest we do the
> > same to cairo and clean up all old #ifdef's.
>
> I don't think we should bump the FT requirement to 2.8.1 until that
> version or later is widely available in distros. Otherwise it creates an
> extra burden for anyone who wants to build cairo and doesn't need to use
> variable fonts.
>

Yeah, but who builds cairo manually anyway...


> I suggest we disable variations internally in cairo for FT < 2.8.1 and
> print a warning during configure that font variations needs FT >= 2.8.1
>
> I do agree we could move the FT minimum to something more recent and
> drop all the old FT #ifdefs.
>

Sure, if that's what you prefer.  Give me a minimum version and I'll do the
patch.  That said, I just bumped fontconfig requirement to 2.8.1.  So
distros, etc, will have to carry forward (which is good).


-- 
behdad
http://behdad.org/
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