On Mon, May 2, 2011 at 6:54 PM, Chengwei Wu <meegodeve...@gmail.com> wrote:
>     As the title says. Anyone can help me?

Ariya Hidayat originally wrote this code. He wrote a blog post about
it here: http://ariya.blogspot.com/2010/09/art-of-blurring-shadow.html
It does three successive box blurs to simulate a Gaussian blur.

--Martin
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