Re: GS Back xlib on 8Bit display

[David Chisnall]

Did you try the Cairo back end?  I vaguely remember reading about Cairo 
improving support for 8-bit displays a few years ago when people started 
wanting to use it on things like the OLPC and eInk displays (with 64 and 16 
colours, respectively).

David

P.S. Any chance that I could borrow an account on the SPARCbook for a few hours 
at some point so I can add SPARC32 support to libobjc2?

On 9 Jun 2012, at 11:25, Sebastian Reitenbach wrote:

> Hi,
> 
> I got GNUstep up and running on a Tadpole Sparcbook 3GX under OpenBSD ;)
> Riccardo recommended me to use the xlib graphics backend.
> 
> Generally it seems to be all fine, besides a little bit slow. Since its only 8
> Bit display, colors sometimes look a bit weirdo ;)
> 
> When applications are starting, I see the following warning on the console:
> 
> WARNING - XGServer is unable to use the fast algorithm for writing to an 8-bit
> display on this host - the most likely reason being the StandardColormap
> RGB_BEST_MAP has not been installed.
> 
> My hope is when I can get rid of the warning, then colors may look a bit 
> better,
> and maybe if it then uses the "fast algorithm" things may feel faster on that
> box.
> 
> Googling for the RGB_BEST_MAP, I found its related to xlib, but what exactly,
> and how to install it, its not clear to me. 
> I hope someone has a cluestick and can point me into the right direction.
> 
> Sebastian
> 
> 
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