[webkit-dev] Is there any introduction to the blur algorithm used in ContextShadow::blurLayerImage

Chengwei Wu meegodevelop at gmail.com
Mon May 2 19:56:05 PDT 2011

Thank you very much!
It helps me a lot!
I think I should learn something about blurring before asking questions.

2011/5/3 Martin Robinson <mrobinson at webkit.org>

> On Mon, May 2, 2011 at 6:54 PM, Chengwei Wu <meegodevelop at 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

Best Regards!
Chengwei Wu
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