[Wayland-bugs] [Bug 93794] No support for system-wide DPI scaling

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93794

Daniel Stone <daniel at fooishbar.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #1 from Daniel Stone <daniel at fooishbar.org> ---
(In reply to Yan Pashkovsky from comment #0)
> 1) Applications (GUI toolkits) must implement their own fonts antialiasing -
> there's no API for setting system wide fonts rendering. What??! Most sane
> and advanced windowing systems work exactly this way - Windows, Android, Mac
> OS X. In Wayland all clients (read applications) are totally independent.

Yes. Font rendering is performed on the client side - as it is with X11 also -
so Wayland has nothing to do with it. Realistically everyone uses the same
method to render fonts, so this is not a problem.

> 2) Applications (GUI toolkits) must implement their own DPI scaling.

Yes. Toolkits are difficult to implement, so.

> It all sounds scary, is it possible for wayland to fix these issues? Should
> I open one new bug report for font-antialiasing?

No, these are not actually a part of Wayland, and generally are solved
problems. If you want to use a new and exotic toolkit, then this will probably
be difficult, but really, don't use new and exotic toolkits. You can bypass the
system toolkits on Windows and OS X as well, to do all your own rendering and
solve all these problems again yourself, but there's a reason people don't.

Solving these problems in Wayland would be akin to making Wayland a full
toolkit itself, which is absolutely not what we want to do. If you have
concerns about shortcomings in existing toolkits, please raise these with the
toolkit developers.

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