Re: xdm background with qiv

[Andras Lorincz <andras.lorincz@gmail.com>]

I can see

default visual id:  0x23
   visual:
     visual id:    0x23
     class:    TrueColor
     depth:    24 planes

when I run xdpyinfo. So that is not the problem. Any other idea?

On 5/9/05, Almut Behrens <almut_behrens@gmx.net> wrote:
> On Sun, May 08, 2005 at 03:00:57PM +0300, Andras Lorincz wrote:
> > I'm trying to set the background for xdm by typing in Xsetup this:
> >
> > if [ -r /home/lorand/Wallpaper1024/download3.jpeg -a -x /usr/bin/qiv ]; then
> >     /usr/bin/qiv -z /home/lorand/Wallpaper1024/download3.jpeg
> > else
> >     /usr/bin/X11/xsetroot -solid DarkBlue
> > fi
> >
> > it doesn't work altough the condition in the if statement is true. If I execute
> >
> > /usr/bin/qiv -z /home/lorand/Wallpaper1024/download3.jpeg
> >
> > in a terminal in X, get this message:
> >
> > qiv: Your root window's visual is not the visual Imlib chose;
> >      qiv cannot set the background currently.
> >
> > What is the problem?
> 
> Not sure, but it looks like Imlib (used by qiv) is requesting a
> "visual class" that's not available for some reason...
> 
> What's your X-server running at?  These days (with modern graphics
> cards) this is usually TrueColor, which should be fine to display jpgs.
> But who knows... there's still a tiny chance it's not TrueColor, which
> might explain the problem.
> If unsure, look in the output of 'xdpyinfo'.  You'll find a section
> similar to (among lots of other stuff):
> 
> ...
>   default visual id:  0x23
>   visual:
>     visual id:    0x23
>     class:    TrueColor
>     depth:    24 planes
> ...
> 
> Don't know whether qiv would do automatic conversions (e.g. from
> TrueColor to Indexed, etc.) -- apparently not...(?)   Have you tried
> other image viewers like xli, display (from ImageMagick), xv, ...?
> 
> My personal favorite for setting desktop background images is good ol'
> xli.  It's lightweight and fast, and IIRC it also does conversions to
> the target visual as required (can't verify right now, because of
> running a TrueColor visual...).
> The command would typically be something like
> 
> $ xli -onroot your_image.jpg
> 
> or, if the image is smaller than the whole screen:
> 
> $ xli -onroot -center -border black your_image.jpg
> 
> (It doesn't do automatic resizing, though -- but I'm sure you'll dig up
> yet another viewer that does.  Or use 'convert' from ImageMagick for
> that task...)
> 
> HTH,
> Almut
> 
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