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List:       kde-devel
Subject:    Re: Kde3 suggestion -- alpha channel use
From:       Roy Katz <katz () Glue ! umd ! edu>
Date:       2001-10-16 4:19:22
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On Mon, 15 Oct 2001, dep wrote:

> On Monday 15 October 2001 15:10, Jono Bacon wrote:
> 
> | This sounds like a cool idea. Although I cant help with coding it,
> | I would be interested to see it included in KDE. :)
> 
> what i'd really like to see is an utterly transparent -- right up to 
> invisibility -- kicker. with autohide on, going to the bottom of the 
> screen would render the icons, clock, mini-pager, and so on, but if 
> the entire background could be rendered clear, it would be the 
> coolest eyecandy anybody has ever made. and it seems as if it's now 
> possible.
> 


I thought that the alpha blending provided by the RENDER extension (and
what QT 3.0 relies on?) does not support real-time translucency in the
sense that X does not notify obscured windows to repaint, even if the
obscuring window is translucent.  Look at Mosfet's liquid style -- if you
pull up a translucent menu, and a window partially obscured by the menu
updates, then you won't see the update *through* the menu (only around the
menu).

So... is it possible all of a sudden to have true, really really real-time
translucency?

There was a mock-up of how nice KDE can look with some careful shadowing
and translucency (including, as you mentioned, Jono, a transparent Kicker)  
available at:

  http://dot.kde.org/1002403587/1002436006/1002465877/1002475491/KDE3.png

The accompanying message is at:

  http://dot.kde.org/1002403587/1002436006/1002465877/1002475491/

I especially like the idea of being able to set a window's translucency.  
That is really a handy feature (when I am copying down data manually and
can't cut-and-paste, I want to see both windows fully and unobscured).  
looks cool, definately something I want to see in KDE (among other
things!).



Roey Katz

 
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