Re: FVWM: Bad Icon bitmap depth

From: <dominik.vogt_at_gmx.de>
Date: Sun, 25 May 2003 11:08:39 +0200

On Sun, May 25, 2003 at 05:59:21PM +1000, Cameron Simpson wrote:
> On 16:49 24 May 2003, dominik.vogt_at_gmx.de <dominik.vogt_at_gmx.de> wrote:
> | Forget what I said earlier., I did not look carefully at what you
> | wrote:
> |
> | > visual id: 0x2b
> | > class: DirectColor
> | > depth: 24 planes
> | > available colormap entries: 256 per subfield
> | > red, green, blue masks: 0xff, 0xff00, 0xff0000
> | > significant bits in color specification: 8 bits
> |
> | So, xdpyinfo claims the display has 24 bit planes but unly 8
> | bitplanes can be used to specify colours? That is strange indeed.
> | Fvwm uses the display's default depth, which is 8 on your system.
> | Yet, your X server tells the applications that they can use 24
> | bits. I have no idea what this could mean. It may be a bug in
> | the X server.
>
> Hmm. No, this is saying he has a 24 bit display where each colour component
> is 8 bits deep. Which is normal.

Ah, I see. Still, the error message Sean got claims that the root
window has only 8 bitplanes:

  [FVWM][GetIconBitmap]: <<ERROR>> Window '<some window>' has a bad icon
  bitmap depth 24(should be 1 or 8)! Ignoring icon bitmap.
                                ^^^

This number was returned by

  DefaultDepth(dpy,Scr.screen)

The DefaultDepth macro returns the depth of the root window of a
specific screen.

In any case, I think that

 a) It's a bug in the application(s),
 
and

 b) Posting the full output of xdpyinfo might help to resolve the
    problem.

Bye

Dominik ^_^ ^_^

 --
Dominik Vogt, dominik.vogt_at_gmx.de
Reply-To: dominik.vogt_at_gmx.de
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Received on Sun May 25 2003 - 04:29:17 BST

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