[Webkit-unassigned] [Bug 29279] [Qt] Use RGB16 format for images on Symbian platform

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue Oct 6 07:48:59 PDT 2009


--- Comment #19 from Chang Shu <Chang.Shu at nokia.com>  2009-10-06 07:48:59 PDT ---
(In reply to comment #17)

Thanks for the quick reply.

> (In reply to comment #15)
> Well the point is that this is a decision that the API user should not take as
> he has no idea about the consequences on the platform. On X11 this will kill
> performance even more.
> Two factors for speed and memory usage: Decode the image to what you want
> instead of doing color conversion afterwards (in QImageReader/QImageIO), limit
> the maximum size of images (see WebCore decoders).
> And there is an easy way to convince me, I have created benchmarks and if less
> memory in these benchmarks is allocated and they perform faster I'm open to any
> change. So far I think the fix should be in QImageReader.

If the change is in QImageReader, other Qt applications than browser will be
affected. Some other Qt guys said no on this.

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