[Webkit-unassigned] [Bug 30055] Bad DOM performance in large SVG files

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=30055





--- Comment #35 from Patrick R. Gansterer <paroga at paroga.com>  2009-12-30 03:57:10 PST ---
(In reply to comment #34)
> RenderPath is SVG only.
I meant that maybe another componet will use RenderPath in the future, but
thats not a real reason.

Moving it to prepareToRenderSVGContent won't prevent _unnecessary_
paintInfo.context->save(), concatCTM(...), restore() and so on.
It should be done as early as possible! Iterating over _all_ items, even if
only one pixel changed, is already not very performant. (checking which items
need a repaint might be even more cpu consuming)

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