[Webkit-unassigned] [Bug 113174] Composing a filter with the identity function shouldn't change its effect.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=113174


Stephen White <senorblanco at chromium.org> changed:

           What    |Removed                     |Added
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                 CC|                            |fmalita at chromium.org,
                   |                            |schenney at chromium.org,
                   |                            |senorblanco at chromium.org




--- Comment #3 from Stephen White <senorblanco at chromium.org>  2013-03-25 07:41:26 PST ---
Interesting.  I think the version with the invert-plus-identity filter is actually correct, and the one with the invert filter alone is actually wrong.  I'll attach a modified version which works in Firefox, and you'll see that the Firefox result for "Invert" and "Invert plus identity" both match the "Invert plus identity" result from Chrome.

I suspect that something's wrong in the application of color-interpolation-filters.  If you apply color-interpolation-filters="sRGB" to the filter elements, Firefox renders both results as Chrome does for "Invert" alone.  Chrome is unchanged.

At any rate, It would be helpful if you could come up with an SVG-only test case, which would rule out the SVG-on-HTML elements code.

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