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List: kde-core-devel
Subject: Re: Qt SVG renderer
From: Alex Merry <kde () randomguy3 ! me ! uk>
Date: 2008-08-14 11:14:26
Message-ID: 200808141214.32060.kde () randomguy3 ! me ! uk
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On Thursday 14 August 2008 10:18:06 Thiago Macieira wrote:
> BTW, the system tray also has this same mistake. I've just realised that
> what I thought was mirroring effects is actually this problem: after
> starting Skype, it got a nepomuk background (the icon right to its left).
Odd. The only painting we do ourselves uses Plasma::PanelSvg, which is also
used for the panel background as a whole and for the taskbar painting, neither
of which seem to produce any glitches.
The cached pixmaps for PanelSvg are pre-filled with Qt::transparent using
QPixmap::fill(). QPainter::CompositionMode_Source isn't set before rendering
these to a QPainter, but setting this causes a lot of the panel rendering to
be screwed up, because the transparency is effectively ignored.
Incidentally, I can't reproduce the effect you're seeing with the default
theme (although I haven't tried with Skype).
Alex
--
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