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List: kde-core-devel
Subject: Re: transparent backgrounds in apps
From: Stephan Kulow <coolo () caldera ! de>
Date: 1999-08-07 14:47:48
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Antonio Larrosa wrote:
>
> Cristian Tibirna wrote:
> >
> > Hi
> >
>
> Hello,
>
> > As Lotzi proposed putting transparent background (TBG) in the libraries,
> > Antonio actually worked the feature in konsole and Daniel prepared those
> > fast fading routines, I thought all of you could be interested.
> >
> > Instead of putting all the konsole (kpager) duplicating background
> > mechanism in the libs, what about building a TBG pixmap server in
> > kdesktop?
>
> Great,
>
> >
> > Yes, this will invalidate TBG if kdesktop would not function, but then the
> > TBG would look weird anyways, as no bg would be really available.
>
> You're right.
>
> >
> > The advantages would be:
> >
> > - reducing the code needed for transparent background to one line par app
>
> That's the same than putting the code in a lib.
>
> > - reducing the memory usage from one desktop-sized pixmap per app for each
> > desktop at *one* pixmap per desktop.
>
> That's not right, there are no things as transparent widgets, as then they
> are
> unusable. What we really use are tinted transparent widgets, and I think it
> would
> be a bad idea to not let people have different tints for each konsole
> (depending
> for example on the real computer the shell is running).
>
> > - speeding up the TBG mechanism since each TBG display will only require a
> > simple bitBlt of a pixmap having the size of the requesting widget.
> > - centralizing all the TBG code (hence making it available for anything,
> > from full widgets to menu items :-)
>
> Anyway, I agree that there should be a good way to "share" the background
> pixmap (and then apply the tint with a lib call e.g.), and your proposal
> is a very good start.
>
> > What do you think?
> >
>
> I think in xearth :-), have a look at this page :
> http://wwwrzstud.rz.uni-karlsruhe.de/~uddn/xglobe/
>
> and a nice screenshot here:
> http://wwwrzstud.rz.uni-karlsruhe.de/~uddn/xglobe/screenshot5.html
>
> I've just downloaded it, so I don't know how it works exactly.
> Anyway, I'll have a look now.
> Btw, IMO, we should think of adding xglobe to KDE2.0
I like it very much! Would make a cool option in kcmdisplay :)
Greetings, Stephan
P.S. Where do all these cool apps hide?
--
Better give your hours some more life than
your life some more hours. - anonymous
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