Framing anything on screen

[Olivier Fourdan]

On Tue, Mar 2, 2010 at 4:41 PM, John Coppens <john at jcoppens.com> wrote:
> Hi all.
>
> I regularly make 'tutorials' for students, and sometimes for putting on
> the 'web, where I like to 'enhance' part of an image by lowering the
> contrast/intensity of the rest.
>
> I've done that a lot of times using the GIMP, in many cases after doing
> a screenshot. But I've been thinking... it would be nice to be able to do
> that _before_ taking a screenshot (or just without taking a screenshot -
> just to make part of the screen more important while explaining it).
>
> I particularly like the style of the 'clip' action of the GIMP.
>
> Is there any app that does this, if not, is there a way to do this?
> (i.e., generate an all-encompassing mask over the screen, including
> panel, etc). One interesting solution would be to build it into the
> screenshooter

Can be trick for an app, but this is something the compositor could do
since it's in charge of painting the screen.

IIRC, compiz has a plugin for that (but compiz is alsoa window
manager, means that you'll have to replace xfwm4 with compiz)

HTH
Cheers,
Olivier.