[Webkit-unassigned] [Bug 75781] Rounding artifact in SVGTextNode.getBBox()

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=75781





--- Comment #7 from Dominik Röttsches (drott) <dominik.rottsches at intel.com>  2012-06-19 00:28:52 PST ---
(In reply to comment #5)
> (In reply to comment #4)
> > This seems to be the root cause of bug 88772. SVGRootInlineBox::layoutRootBox() rounds to integers. We need higher precision there.
> This is finally possible by enabling SUBPIXEL_LAYOUT by default for all ports, once that happens, we can finally use non-integer precision in all parts of SVG that interfere with HTML, where currently rounding is needed.
> It's on my list :-)

If I understood the code correctly even with SUBPIXEL_LAYOUT we'll only get precision to a point of 1/60th fractional increments. For large upscaling from viewbox to viewport we'll still see inaccuracies, right?

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