Re: Palette setting?

[Julian Reschke-FJR010 <Julian_Reschke-FJR010@email.mot.com>]

t150315@students.cc.tut.fi%INTERNET wrote:
> 
> > > somebody could send me code for generic Atari color palette setting?  It
> > > should work (preferably) on all Ataris and without GEM running (ie.  VDI
> > > not initialized).
> > Actually, the VDI is initialized very early (before the Fuji-logo is
> > drawn), so it's perfectly safe to use it from the auto-folder.
> 
> I had the impression that it's only partially initialized and that AES
> initializes rest of it.  Can you use virtual workstations from auto/?

No. You have to open the *physical* workstation. Just do what the AES
does.
 
> (currently W reads screen properties from Line-A /variables/ and
> then just writes to the logical screen)
> 
> > It
> > would make sense to use VDI in W as well, as that means it would work
> > on all machines/graphicscards, and with hardware-acceleration etc. for
> > those that have such things.
> 
> As W has quite W specific drawing things, then it would IMHO make more
> sense to emulate a Wlib, ie. with the client library call VDI functions
> instead of the W server.  That way W applications could work in a GEM
> window.  Would anybody be interested in that project?  I've already
> done this for X so a GEM port shouldn't be that large a job...
> 
> Using VDI in W server is out of the question as /standard/ VDI doesn't
> support (even) off-screen bitmaps.  On other windowing systems this
> wouldn't be such an issue, but as W backups window contents (can't be
> changed anymore) instead of sending redraw messages, off-screen bitmaps
> are a must.

Well. The off-screen extension from the NVDI guys is freeware.