From kde-devel  Thu Jun 28 19:04:46 2001
From: Rik Hemsley <rik () kde ! org>
Date: Thu, 28 Jun 2001 19:04:46 +0000
To: kde-devel
Subject: Re: KDE 2.2 Beta1: Default Style library crashes occasionally.
X-MARC-Message: https://marc.info/?l=kde-devel&m=99375533328670

#if Thomas Leitner

>                 // Intensify the image if required
>                 if (isMouseOver) {
>                         QBitmap mask = *btnpix.mask();
>                         btnpix.detach();
>                         btnpix = KPixmapEffect::intensity(btnpix, 0.8);
>                         btnpix.setMask( mask );
>                 }
>
> Any idea anyone what could cause a crash here?

Yes, btnpix.mask() may return 0, and the value isn't checked. Very 
naughty programming.

Rik

 
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