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List:       kde-devel
Subject:    Re: True transparency ala MacOSX
From:       Matt Rogers <matt () matt ! rogers ! name>
Date:       2003-03-14 2:08:21
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On Wednesday 12 March 2003 07:38 pm, Matt Newell wrote:
> On Thursday 13 March 2003 06:58 am, Michael A Nachbaur wrote:
> > I wanted to know how difficult it would be to implement true transparency
> > in applications like Konsole.  From what I can tell, these applications
> > simply set their background to a region of the desktop wallpaper, and set
> > some color tinting to their image.  What would it take to implement true
> > transparency, similar to how MacOSX does?  I presume OSX uses OpenGL or
> > some other library to set an alpha mask for a given window (or region of
> > a window), but with it you can see through one window and into a window
> > behind it.
> >
> > This is really convenient, especially when you have a terminal window
> > open above a web browser or email window; or have multiple overlapped
> > windows, allowing you to do your work in one window while seeing the
> > results of a compile or some other long-running process in the
> > background.
>
> Well, maybe my post will provide a little more hope than theirs.
> Currently, X doesn't support translucent windows, but Keith Packard is
> on top of it, just like he was on top of AA fonts! If you go to
> http://www.xfree86.org/~keithp/talks/KeithPackardAls2000/index.html
> http://www.xfree86.org/~keithp/render/
> http://www.eax.com/render/
> you can read about the new X rendering model that Keith has been working
> on. It might be a good idea for people to start working on it before it is
> released in X.  So that KDE will be a step ahead:)
>
> Can/will the new KPainter be able to take advantage of the Render
> extension, Anyone?
>
> Matt
>
The render extension is already supported in X. That's where the AA fonts come 
in. You can't get AA fonts in X without the render extension AFAIK.  The 
transparency like what Michael's wanting is currently impossible in X. Maybe 
someday....

Matt
 
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