[squeak-dev] Fwd: Problem with fonts on Linux with compositing activated

Mariano Martinez Peck marianopeck at gmail.com
Mon Aug 18 07:13:01 UTC 2008


I am sorry. It happens to me in both distribution: dev and web.

Is there any way of "uninstalling" a package through Universe ? I mean, can
I uninstall NiceFonts for example ?

thanks,

mariano

On Mon, Aug 18, 2008 at 4:04 AM, Damien Cassou <damien.cassou at gmail.com>wrote:

> Hi,
>
> I will remove NiceFonts in future squeak-dev until these problems are
> fixed.
>
> On Mon, Aug 18, 2008 at 8:59 AM, Mariano Martinez Peck
> <marianopeck at gmail.com> wrote:
> > Hi! I have the same problem here. I am using Ubuntu 8.04 with compiz and
> an
> > ati video driver. With sq3.10.2-7179dev08.08.1.image it works perfect,
> but
> > with sq3.9.1-7075web08.06.1.image I have this error.
> >
> > I tried changing color depth to 16, 24 and 32, but it doesnt work.
> >
> > Bert: Sorry but I didn't understand your comment. Is there a fix? How can
> I
> > do it? Can someone help me?
> >
> > many thanks,
> >
> > mariano
> >
> >
> > On Sun, Aug 17, 2008 at 1:06 PM, Bert Freudenberg <bert at freudenbergs.de>
> > wrote:
> >>
> >> Am 17.08.2008 um 17:56 schrieb Ken Causey:
> >>
> >>> On Sun, 2008-08-17 at 17:04 +0200, Bert Freudenberg wrote:
> >>>>
> >>>> Am 17.08.2008 um 11:29 schrieb laurent laffont:
> >>>>
> >>>>> Hi,
> >>>>>
> >>>>> I've switched to KDE4 and played with composite rendering.  With
> >>>>> last squeak dev images some fonts are not rendered: it seems to be
> >>>>> interpreted as a transparent region by the composite manager (see
> >>>>> screenshot). I've tested this on my two debian boxes.
> >>>>>
> >>>>> This problem is not present in sq3.9.1-7075dev08.07.1 image, so I
> >>>>> suppose it's due to NiceFont integration ?
> >>>>
> >>>>
> >>>> Maybe it occurs more often with nice fonts, but it actually is a
> >>>> combined VM/image problem.
> >>>>
> >>>> The VM prefers a 32 bit X visual (with alpha channel) over a 24 bit
> >>>> one. If a compositing window manager is used, the alpha channel is
> >>>> used for transparency, but the image generally does not care about the
> >>>> alpha channel in its frame buffer.
> >>>
> >>> Does that mean there is some core location(s) where the alpha channel
> >>> needs to be defaulting to full opacity but currently it is not?
> >>
> >> Yes, that is where the transparent areas are under a compositing window
> >> manager. I also remember partly translucent menus in (old versions of)
> >> Croquet, and having to fix the alpha channel after taking a screenshot.
> >>
> >> - Bert -
> >>
> >>>> The olpc branch in the SVN repository has a fix for that, see
> >>>>
> >>>> http://tinyurl.com/6fhqmw
> >>>>
> >>>> - Bert -
> >>>
> >>
> >>
> >>
> >>
> >
> >
> >
> >
> >
>
>
>
> --
> Damien Cassou
> Peter von der Ahé: «I'm beginning to see why Gilad wished us good
> luck». (http://blogs.sun.com/ahe/entry/override_snafu)
>
>
>
>
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