[Webkit-unassigned] [Bug 30740] [Qt] QtWebKit should consider using QImageReader::setQuality(49)

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri Oct 30 05:04:07 PDT 2009


https://bugs.webkit.org/show_bug.cgi?id=30740





--- Comment #1 from Yael <yael.aharon at nokia.com>  2009-10-30 05:04:07 PDT ---
(In reply to comment #0)
> ImageDecoderQt.cpp should use QImageReader::setQuality(49) to use JDCT_IFAST in
> the Qt JPEG Image Decoder. This change can give a 5% speedup on the
> image_cycling reduction.
> 
> JDCT_IFAST is supposingly not generating as good results as the other integer
> based method but it is not certain how bad these are. The Palm developers have
> opted to use this for the WebOS.

Sorry I did not get back to you in that. I was OOO until today. Will try to
arrange testing during next week.

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