Re: FVWM: Bad Icon bitmap depth

From: Dominik Vogt <fvwm_at_fvwm.org>
Date: Mon, 26 May 2003 17:09:02 +0200

On Mon, May 26, 2003 at 11:43:44AM +0200, Olivier Chapuis wrote:
> On Mon, May 26, 2003 at 09:50:26AM +0200, Dominik Vogt wrote:
> > On Mon, May 26, 2003 at 09:42:55AM +0200, Olivier Chapuis wrote:
> > > On Thu, May 22, 2003 at 10:47:36AM -0600, Sean Seery wrote:
> > > > Hello,
> > > >
> > > > I cannot seem to figure this out so here is my plaintive cry for help:
> > > >
> > > > How do I get fvwm to support bitmaps with a depth of 24? Every time that I
> > > > minimize an application w/such an icon(such as mozilla), fvwm spits out
> > > > the following error:
> > > >
> > > > [FVWM][GetIconBitmap]: <<ERROR>> Window '<some window>' has a bad icon
> > > > bitmap depth 24(should be 1 or 8)! Ignoring icon bitmap.
> > > >
> > >
> > > I think I've the solution of the problem (I read all the others mail
> > > of this thread).
> > >
> > > Sean has a 8/24 depth screen and the X server start with DefaultDepth = 8.
> > > This is a classical situation (the X server can be configured to start
> > > with DefaultDepth = 24, but as certain "old" apps need depth 8 for read-
> > > write colours the default is depth 8; moreover on such hardware there is
> > > no visual pbs by using certain app under depth 8 and other with depth 24).
> > >
> > > BTW, since 2.5.6 fvwm detect this situation and fvwm choose to use the
> > > best visual: TrueColor depth 24 (before 2.5.6 the user had to use
> > > the --visual-id or --visual option; now fvwm need _no_ option).
> > > A lot of apps use this logic too.
> > >
> > > So, for applications supplied icon pixmap we have 3 acceptable depth:
> > >
> > > - depth 1 (always ok)
> > > - depth 8, the default depth
> > > - depth 24, the fvwm depth
> > >
> > > I've just committed a fix.
> >
> > Cool. Can you backport the fix to 2.4.16 too? It looks fairly
> > simple, but I'm not sure I would catch all places I have to touch
> > to make the patch myself.
> >
>
> Ok. But I do not think I should also backport the autodetection of
> the best visual on such hardware. What do you think?

No, I'd only backport the bug fixes.

Bye

Dominik ^_^ ^_^
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Received on Mon May 26 2003 - 10:08:40 BST

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