24-bit color support to Xvnc

[James Weatherall]

Hi Paresh,

What most people mean by depth 32 is actually depth 24 with 32
bits-per-pixel, which is what VNC server uses for depth 24.

Cheers,

--
Wez @ RealVNC Ltd
 

> -----Original Message-----
> From: paresh masani [mailto:masaniparesh "at" gmail.com] 
> Sent: 18 June 2008 13:04
> To: James Weatherall
> Cc: vnc-list "at" realvnc.com
> Subject: Re: 24-bit color support to Xvnc
> 
> Hey James,
>  
> Thaks you were right my vncviewer was running at 16-bpp. now 
> i set it to 32 bits. And  ""vncserver -depth 24" showing the 
> correct info but "vncserver -depth 32" not. I think it should 
> work for 32 bit also right?
>  
> Please refer the attached images.
>  
> Thanks,
> Paresh
>  
> On 6/18/08, paresh masani <masaniparesh "at" gmail.com> wrote: 
> 
> 	Ok James,
> 	 
> 	I have removed pixelformat at all and using "vncserver 
> -depth 8", "vncserver -depth 16" and "vncserver -depth 24" 
> created three sessions. For depth 8 and 16, Xvnc info dialog 
> box showing correct info but for depth 24 it is showing 
> default 24 depth but pixel format 16. :-(
> 	 
> 	Please refer the attached xwininfo dialog box for all 
> three sessions.
> 	 
> 	Is it related to RGB565. because i could see that when 
> i specified depth 16, it uses RGB565 and same it is uses for 
> depth 24 even though default server depth is 24 BGR888.
> 	
> 	 
> 	Thanks,
> 	Paresh
> 	
> 	 
> 	On 6/18/08, James Weatherall <jnw "at" realvnc.com> wrote: 
> 
> 		Hi Paresh,
> 		
> 		Tow points:
> 		
> 		1.  You're specifying "-depth 24" but then 
> overriding that with "-pixeformat
> 		rgb888".  You only need one or the other.
> 		
> 		2.  The VNC Viewer's Connection Info dialog 
> provides the Server format and
> 		the format currently in-use.  The format 
> currently in-use can never be
> 		higher colour-depth than the format of the 
> viewer computer's display.  From
> 		what you've described it sounds like your 
> viewer is running on 16bpp display
> 		hardware.
> 		
> 		Cheers,
> 		
> 		--
> 		Wez @ RealVNC Ltd
> 		
> 		
> 		> -----Original Message-----
> 		> From: paresh masani [mailto:masaniparesh "at" gmail.com]
> 		> Sent: 18 June 2008 12:35
> 		> To: James Weatherall
> 		> Cc: vnc-list "at" realvnc.com
> 		> Subject: Re: 24-bit color support to Xvnc
> 		>
> 		> That what i am doing. Please refer below command in
> 		>
> 		> Xvnc :10 -desktop 'UNIX" -httpd 
> /usr/local/vnc/classes -auth
> 		> /.Xauthority -geometry 1268x896 -depth 24 
> -pixelformat RGB888
> 		> -rfbwait 30000 -rfbauth /passwd -pn -fp
> 		>
> 		> Here specified depth is 24 then also i am 
> getting pixel
> 		> formate depth is 16. Please refer attached file.
> 		>
> 		> Thanks,
> 		> Paresh
> 		>
> 		>
> 		> On 6/18/08, James Weatherall <jnw "at" realvnc.com> wrote:
> 		>
> 		>       Paresh,
> 		>
> 		>       Please refer to the documentation for details on
> 		> configuring the Xvnc VNC
> 		>       Server for Unix, in particular the 
> "-depth" option,
> 		> which controls the
> 		>       colour depth of the root window of the 
> X desktop.  E.g:
> 		>
> 		>       vncserver -depth 24
> 		>
> 		>       Will create a true-colour 32 
> bits-per-pixel, depth 24
> 		> desktop, with 8 bits
> 		>       for each of the red, green and blue 
> colour components.
> 		>
> 		>       Regards,
> 		>
> 		>       --
> 		>       Wez @ RealVNC Ltd
> 		>
> 		>
> 		>       > -----Original Message-----
> 		>       > From: vnc-list-admin "at" realvnc.com
> 		>       > [mailto:vnc-list-admin "at" realvnc.com] 
> On Behalf Of paresh masani
> 		>       > Sent: 16 June 2008 11:39
> 		>       > To: vnc-list "at" realvnc.com
> 		>       > Subject: 24-bit color support to Xvnc
> 		>       >
> 		>       > Hi,
> 		>       >
> 		>       > I read documentation of Xvnc and 
> found that it uses cfb(color
> 		>       > frame buffer).
> 		>       > It supports only 8, 16 and 32 bit 
> colore and dont have
> 		>       > support for 24-bit color and 64-bit 
> color. Could any one
> 		>       > please tell me why it is like this. 
> 24 and 64-bit color
> 		>       > support does not required?
> 		>       >
> 		>       > Thanks,
> 		>       > Paresh
> 		>       > 
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