XAllocColorCells has failed

Peter J. Bismuti peter.j.bismuti at boeing.com
Tue Sep 6 07:29:32 PDT 2005

On Saturday 03 September 2005 02:49 pm, Felix Schulte wrote:

It seems that linux does not have a PseudoColor visual of any kind.  This is 
news to me.

The SGI's default visual is PseudoColor, so that app was written assuming the 
use of colormaps, but the Linux version chokes on XAllocColorCells because it 
is in 24bit TrueColor mode.

> On 9/3/05, Peter J. Bismuti <peter.j.bismuti at boeing.com> wrote:
> > A graphics application is being ported to Linux (Redhat E4) and it is
> > giving the following error message:
> >
> > "XAllocColorCells has failed"
> >
> > It is only requesting 16 colors.   Any idea what is causing this?  Will a
> > TrueColor visual need to be used?
> A little bit more information may be useful - which application, which
> toolkit, which visual does it use currently?

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