[Webkit-unassigned] [Bug 107361] Don't recalcStyle and layout when changing page scale.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=107361





--- Comment #2 from Huang Dongsung <luxtella at company100.net>  2013-01-23 02:19:06 PST ---
(In reply to comment #1)
> Page scale uses a transform on the root (RenderView), just like a CSS transform. Changing transforms requires layout, because it affects overflow; this is used to update the scrollbars when scaled.

Thank you for your explanation. I can grasp how transform effects. Chromium avoids changing transform using Settings::applyPageScaleFactorInCompositorKey(). EFL and Qt will follows Chromium's way.

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