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List: kde-core-devel
Subject: Re: Qt SVG renderer
From: Thiago Macieira <thiago () kde ! org>
Date: 2008-08-14 12:37:35
Message-ID: 200808141437.35672.thiago () kde ! org
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On Thursday 14 August 2008 13:14:26 Alex Merry wrote:
> 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).
Using glassified. This is before and after starting the Qt example
desktop/systray. For the second test, I ran kruler and placed it over the
system tray before starting the example. You can see kruler in the background
of the icon.
--
Thiago Macieira - thiago (AT) macieira.info - thiago (AT) kde.org
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