[Webkit-unassigned] [Bug 88877] SVG Lightning filter effects incorrect under zoom

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=88877





--- Comment #2 from Robert Longson <longsonr at gmail.com>  2012-06-12 18:41:39 PST ---
http://www.w3.org/TR/SVG/filters.html#feDiffuseLightingElement Because they operate on pixels, such filters are inherently resolution-dependent. To make ‘feDiffuseLighting’ produce resolution-independent results, an explicit value should be provided for either the ‘filterRes’ attribute on the ‘filter’ element and/or attribute ‘kernelUnitLength’.

The testsuite test doesn't set these attributes so zooming in is likely to result in at least an intensity change depending on how it's implemented in Webkit.

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