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List:       koffice-devel
Subject:    Re: Add Gaussian Blur to Shape Shadow
From:       Ariya Hidayat <ariya () kde ! org>
Date:       2010-10-31 16:05:31
Message-ID: AANLkTim7Tc3P6EV0k_5h5xd_7aHZARHyU=4rOF+0ky91 () mail ! gmail ! com
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>> Is there a simple method to blur a QPixmap object? I only found
>> QGraphicsBlurEffect but it only works on QGraphicsItem.
>>
>
> There is a class BlurEffect in Karbon that can do this with a QImage. It
> would probably be possible to use the filter framework to do a blurred
> shadow.

Which is using stack blur.

Try my attempt, see
http://ariya.blogspot.com/2010/09/art-of-blurring-shadow.html, which
is slightly faster. The shadow blur function is only 70 lines.


-- 
Ariya Hidayat
http://www.linkedin.com/in/ariyahidayat
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