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List:       kde-core-devel
Subject:    Re: Qt SVG renderer
From:       Thiago Macieira <thiago () kde ! org>
Date:       2008-08-14 9:18:06
Message-ID: 200808141118.07181.thiago () kde ! org
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On Tuesday 29 July 2008 22:17:19 Ariya Hidayat wrote:
> > That's what I'm most alarmed about. How did that junk appear?
>
> Reminds me of the typical mistake: in order to initialize a paint
> device (with alpha channel) with transparent pixels, use QPainter and
> perform fillRect(rect, Qt::transparent). This won't work *unless* you
> set the composition mode to QPainter::CompositionMode_Source *before*
> carrying out the fill.

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).

-- 
  Thiago Macieira  -  thiago (AT) macieira.info - thiago (AT) kde.org
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