From kde-core-devel  Thu Aug 14 14:24:01 2008
From: "Jason Stubbs" <jasonbstubbs () gmail ! com>
Date: Thu, 14 Aug 2008 14:24:01 +0000
To: kde-core-devel
Subject: Re: Qt SVG renderer
Message-Id: <2e0add770808140724w410d455as1a3dc6c96d7839f7 () mail ! gmail ! com>
X-MARC-Message: https://marc.info/?l=kde-core-devel&m=121887133902133

On 8/14/08, Thiago Macieira <thiago@kde.org> wrote:
> On Tuesday 29 July 2008 22:17:19 Ariya Hidayat wrote:
>> 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).

http://bugs.kde.org/show_bug.cgi?id=158094

The result may be the same, but the root cause and fix aren't quite as easy. :(

--
Jason Stubbs