[Webkit-unassigned] [Bug 79490] Percent width/height SVG not always scaled on window resize

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=79490





--- Comment #7 from Nikolas Zimmermann <zimmermann at kde.org>  2012-02-27 11:53:29 PST ---
(In reply to comment #4)
> (In reply to comment #3)
> > > Source/WebCore/rendering/RenderBlockLineLayout.cpp:1453
> > > +    layoutPercentHeightDescendants();
> > 
> > Doesn't this cause changes for inline children of RenderBlocks in general? Are we doing unnecessary work for HTML? Is HTML maybe affected as well by this bug (inline percent height elements not reacting to size changes).
> 
> Good point. Based on my initial tracing, it seemed that this is needed to get percent height/width inline elements working. But thanks to your question I took another dive and realized that HTML inline percent elements work just fine (and without using the global percent-height descendant map) thanks to this little nugget I missed in RenderBlock::layoutInlineChildren():

Are there cases where we still need that map? Can you investigate again to construct a testcase for this? I feel we're still failing in some cases of the percentage calculations. (I'd compare which HTML construct depends on the map, and see how it affects svg)

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