[winswitch] DPI fonts issue (worse with Xdummy) [MOSTLY FIXED] - was xpra 0.3.5 / xpra 0.4.1 / xpra 0.5.0-beta1

Antoine Martin antoine at nagafix.co.uk
Wed Aug 1 19:58:51 BST 2012

On 08/02/2012 01:53 AM, Neal Becker wrote:
> If I do this with xdummy, it's better.  Fonts still look crappy compared
> to running emacs directly (or via ssh -X).
Can we continue this discussion on the ticket?
(apologies to the list readers)

You can attach screenshots there of what your "crappy" fonts look like.
Be aware that since the rendering is done to a virtual screen, certain 
font features like smoothing/anti-aliasing and sub-pixel rendering will 
be difficult or simply impossible.


> On Wed, Aug 1, 2012 at 2:33 PM, Antoine Martin <antoine at nagafix.co.uk
> <mailto:antoine at nagafix.co.uk>> wrote:
>     On 08/02/2012 01:20 AM, Neal Becker wrote:
>         If I comment out xvfb= from /etc/xpra/xpra.conf, it's better.  I
>         guess
>         this is the old Xvfb version.  Still wrong dpi, but not as bad
>         as with
>         xdummy.
>     Found a solution for you, just run this on your client before
>     connecting with xpra:
>     echo "Xft.dpi: 96" | xrdb -
>     Looks like your DE (which one do you use?) or X11 startup scripts
>     are not setting the Xft.dpi, so applications fallback to
>     xdpyinfo-like data from somewhere (Xlib?) which has the wrong value.
>     I will make a proper solution for trunk and 0.5.0 release.
>     Thanks!
>     Antoine

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