[Webkit-unassigned] [Bug 53658] FEGaussianBlur kernel size is slightly wrong

Thu Feb 3 02:05:55 PST 2011

https://bugs.webkit.org/show_bug.cgi?id=53658

Dirk Schulze <krit at webkit.org> changed:

           What    |Removed                     |Added
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                 CC|                            |krit at webkit.org

--- Comment #2 from Dirk Schulze <krit at webkit.org>  2011-02-03 02:05:55 PST ---
(In reply to comment #1)
> For example with std==47, all three blurs should use dLeft = dRight = 23. Right now they use 23,24.

This means the even and the odd cases are wrong, since we dLeft + dRight should be std - 1. right? But IIRC, this gets balanced during the blurring, since we do not differ between the center point and the points next to this point. So, in a row, we just take 'std'-number of pixels into account. And that is what the spec means: dleft + center pixel + dRight - pixels. Can you check this please?

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