[Webkit-unassigned] [Bug 50527] [Qt] Background image rendering is slow

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=50527





--- Comment #4 from Benjamin Poulain <benjamin.poulain at nokia.com>  2010-12-06 06:38:40 PST ---
(In reply to comment #3)
> > This should be:
> > if (!destinationRect.width() || !destinationRect.height() || !tileRect.width() || !tileRect.height())
> > or even:
> > if (!destinationRect.isValid() || !tileRect.isValid())
> 
> Agree. This part was copied from the original code :)

That would be incorrect. ::isValid() is >0, what need to be catched here is a size of zero. ::isEmpty() should do the trick.

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