[Webkit-unassigned] [Bug 57112] SVG shadow filter (feGaussianBlur) adds shadow of the bounding box

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=57112


gianna.mauro+bugzilla at gmail.com changed:

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--- Comment #14 from gianna.mauro+bugzilla at gmail.com  2011-07-29 07:45:51 PST ---
(In reply to comment #13)

First: The line and shadow are both red, if SourceGraphic is used instead. Also, the bounding box shadow no longer appears when SourceGraphic is used.

Second:
When I changed the filter to 
<filter filterUnits="objectBoundingBox" x="0%" y="0%" width="100%" height="100%" id="drop-shadow">
        <feGaussianBlur in="SourceAlpha" stdDeviation="3" />
    </filter>
I no longer saw the bounding box shadow. However, the ends of the line were clipped.
I also tried different values for stdDeviation, the only affect this had was to adjust the amount of blur, as expected.

I also tried
<filter filterUnits="objectBoundingBox" x="-10%" y="-10%" width="120%" height="120%" id="drop-shadow">
        <feGaussianBlur in="SourceAlpha" stdDeviation="3" />
    </filter>
This gave the same results as the original bug. (Reduced case with just blur).

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