Help about SDL abnormal color display in VNC viewer.

[Alex Chen]

Hi DongXiao,

I have met a similar issue but I am not sure whether it is exactly same.
please find "It seems SDL exchanges R & B channels, but turn out VNC
related" topic in the list, hope it could help you

--Alex

On 4/3/08, James Weatherall <jnw "at" realvnc.com> wrote:
>
> Paresh,
>
> I'm afraid that you are mistaken.  What I described is the VNC Viewer's
> Low
> Colour feature, used by default for slow connections.
>
> The XRANDR extension affects the size of the X desktop, its rotation, and
> in
> the latest spec the positions of physical display devices' viewports.  It
> doesn't affect the X desktop's colours, so I'm not sure why you think
> XRANDR
> is causing whatever "weird colours" you're seeing.
>
> What is the "VNC session window resize problem" that you refer to?
>
>
> --
> Wez @ RealVNC Ltd
>
>
> > -----Original Message-----
>
> > From: paresh masani [mailto:masaniparesh "at" gmail.com]
> > Sent: 03 April 2008 16:19
> > To: James Weatherall
>
> > Cc: Xu Dongxiao; vnc-list "at" realvnc.com
> > Subject: Re: Help about SDL abnormal color display in VNC viewer.
> >
> > Hi,
> >
> > This happens for me as well if i open my VNC session of other
> > monitor which will have monitor size different. It is showing
> > weird colors.Could anyone suggest regarding this issue? Is it
> > related to 24 bit color problem?
> >
> > I think this is happening because of the VNC session window
> > resize problem and current VNC dont have XRANDR supports.
> >
> > Thanks,
> > Paresh
> >
> >
> > On 4/3/08, James Weatherall <jnw "at" realvnc.com> wrote:
> >
> >       Hi again,
> >
> >       Sorry - one other thing I forgot to mention is that if
> > you are connecting to
> >       your VNC Server over a slow link then it will use a
> > reduced colour level,
> >       which may lead to colours being approximated by a more
> > limited palette.  You
> >       should configure your VNC Viewer to use "full-colour"
> > if you need to see
> >       exact colours.
> >
> >       Regards,
> >
> >       --
> >       Wez @ RealVNC Ltd
> >
> >
> >       > -----Original Message-----
> >       > From: Xu Dongxiao [mailto:dongxiao.xu "at" gmail.com]
> >       > Sent: 03 April 2008 14:57
> >       > To: James Weatherall
> >       > Cc: vnc-list "at" realvnc.com
> >       > Subject: Re: Help about SDL abnormal color display in
> > VNC viewer.
> >       >
> >       > Hi, James,
> >       >     Thanks for your reply!
> >       >     I have put the picture on this website:
> >       > http://bbs.nju.edu.cn/file/P/prece/color.jpg
> >       >     I also swap the red color and blue color on the above
> >       > image, but the color is still not correct.
> >       >
> >       > Best Regards,
> >       > Xu Dongxiao
> >       _______________________________________________
> >       VNC-List mailing list
> >       VNC-List "at" realvnc.com
> >       To remove yourself from the list visit:
> >       http://www.realvnc.com/mailman/listinfo/vnc-list
> >
> >
> >
> >
> _______________________________________________
> VNC-List mailing list
> VNC-List "at" realvnc.com
> To remove yourself from the list visit:
> http://www.realvnc.com/mailman/listinfo/vnc-list
>