[Webkit-unassigned] [Bug 250481] Improve comparison of intervals in SVGSMILElement::resolveFirstInterval

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Jan 12 04:21:26 PST 2023


https://bugs.webkit.org/show_bug.cgi?id=250481

--- Comment #2 from Ahmad Saleem <ahmad.saleem792 at gmail.com> ---
(In reply to Karl Dubost from comment #1)
> The prose of the Blink commit.
> 
> ============
> Improve comparison of intervals in SVGSMILElement::resolveFirstInterval
> 
> For open-ended intervals such as [3) - i.e. begin=3s and end/duration/etc
> unspecified - every call to resolveFirstInterval() would think that a new
> interval had been created, and notify/require a reschedule of the
> animations.
> Add a new type SMILInterval and a suitable operator for that, and then
> use it to compare the raw values (i.e. if both endpoints are exacly the
> same.)
> 
> BUG=377329
> ===========
> https://bugs.chromium.org/p/chromium/issues/detail?id=377329
> 
> 
> There is a testcase in there.

The test need:

Add a printf in SVGImageChromeClient::invalidateContentsAndRootView

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