XWindows - how capture window ?

[Valery Reznic]

--- On Sun, 2/21/10, Oron Peled <oron at actcom.co.il> wrote:

> From: Oron Peled <oron at actcom.co.il>
> Subject: Re: XWindows - how capture window ?
> To: linux-il at cs.huji.ac.il
> Cc: "Valery Reznic" <valery_reznic at yahoo.com>, "Ori Berger" <linux-il at orib.net>
> Date: Sunday, February 21, 2010, 9:35 AM
> On Sunday, 21 בFebruary 2010
> 07:47:57 Valery Reznic wrote:
> > I through about using Xvnc (and Xvbf) and even tried
> it.
> > The trouble is I need initialize connection to the new
> display and display's 
> colormap and who now what else. This application do a lot
> of
> > strange and complicate things in a rather messy way.
> > Make the same to the other display is not an easy
> task.
> 
> Just a wild thought:
>  1. Configure the Xserver to have a virtual display size
> which is larger
>     than physical size.
>  2. Direct the specific window to a non-visible area (but
> within the virtual
>     display size, so it will be refreshed)
> [hopefully, should be tested]
>  3. Grab it.
Interesting ideal I'll try it.

Valery

> 
> If it works, you'll still have to find a way so the end
> user won't pan
> the physical display across the virtual space -- maybe this
> can be
> done with some window-manager configuration/key-bindings.
> 
> -- 
> Oron Peled             
>                
>    Voice: +972-4-8228492
> oron at actcom.co.il 
>                 http://users.actcom.co.il/~oron
> "If it's not source, it's not software." -- www.gnu.org
>