[Webkit-unassigned] [Bug 257258] SVG feConvolveMatrix filter not working in iOS and sometimes on MacOS

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed May 31 16:18:46 PDT 2023


https://bugs.webkit.org/show_bug.cgi?id=257258

--- Comment #2 from Said Abou-Hallawa <sabouhallawa at apple.com> ---
I think this markup is incorrect:

<feConvolveMatrix order="3 3" preserveAlpha="true" kernelMatrix="1 -1 1 -1 -1 -1 1 -1 1" mode="multiplay">

There is no attribute mode="multiplay" associated with <feConvolveMatrix>. See https://developer.mozilla.org/en-US/docs/Web/SVG/Element/feConvolveMatrix.

The "mode" attribute is only applied to the <feBlend> element and one of its values is "multiply" not "multiplay".

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