[Webkit-unassigned] [Bug 112088] Correct impl-side scrolling for RTL iframe and overflow:scroll

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=112088





--- Comment #6 from Tien-Ren Chen <trchen at chromium.org>  2013-03-12 15:41:05 PST ---
(In reply to comment #5)
> (In reply to comment #4)
> > New failing tests:
> > fast/css/sticky/inline-sticky-abspos-child.html
> 
> Weird sub-pixel differences. I think even the expected output isn't correct. Ahem X is supposed to be 1em*1em solid box, but somehow it is not pixel-snapped on mac-wk2.
> 
> I can change the tests to use 24px*24px inline-block instead of Ahem, or should we just mark it as ImageOnlyFailure? Which one is a preferred solution?

The baseline is 0.2em above its bottom, so the vertical range of the solid box is effectively -4.8~19.2 for 24px texts. Changing it to 25px solved the problem. There are still rounding issues due to that 0.2 is not a machine number, so the test hash doesn't match, however the error is good enough to pass image diff

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