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List: kde-core-devel
Subject: Re: Review Request: Add versioning check for thumbnailers.
From: "Peter Penz" <peter.penz () gmx ! at>
Date: 2009-11-27 7:38:31
Message-ID: 20091127073831.2121.94606 () localhost
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> On 2009-11-27 00:27:47, Christoph Feck wrote:
> > Looks better :) Btw, does it already handle old thumbnails from 4.3? If this fixes updating those \
> > thumbnails to get correct rotation, it should be applied for 4.4. This is actually a smart solution, \
> > as we have no other way yet to force an update of the thumbnails. And I agree with you on the == \
> > issues. Whenever a thumbnail is detected from an old thumbnailer, it should be updated.
> > But the version should then only be updated if the generated thumbnail actually may be different, not \
> > just if the author thinks he made a cool new release. That needs to be documented somehow (and \
> > somewhere).
> But the version should then only be updated if the generated
> thumbnail actually may be different, not just if the author
> thinks he made a cool new release. That needs to be documented
> somehow (and somewhere).
+1
This still makes me think why there is a need for a version number like x.y.z. Assuming that we have just \
an increasing number like in in the KPart-GUI (e. g. <kpartgui name="dolphin" version="12">): I don't see \
the benefit of making a x.y.z version just to create quite complicated code to do a version check of the \
first number... So my proposal would be just using a simple version number instead, that must be \
increased if the thumbnails should be regenerated.
But in any case this patch should be part of KDE 4.4 as it fixes the "wrong rotation of JPEGs" issue.
- Peter
-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
http://reviewboard.kde.org/r/2282/#review3312
-----------------------------------------------------------
On 2009-11-26 22:08:59, Jacopo De Simoi wrote:
>
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> http://reviewboard.kde.org/r/2282/
> -----------------------------------------------------------
>
> (Updated 2009-11-26 22:08:59)
>
>
> Review request for kdelibs, Peter Penz, David Nolden, and David Faure.
>
>
> Summary
> -------
>
> Adds versioning check for thumbnailers; the code checks if a ThumbnailerVersion is defined and if so, \
> checks that the software field in the existing thumbnail matches before using the cached thumbnail.
> This fixes caching bugs with the improved jpeg thumbnailer.
>
>
> Diffs
> -----
>
> trunk/KDE/kdelibs/kio/kio/previewjob.cpp 1038240
>
> Diff: http://reviewboard.kde.org/r/2282/diff
>
>
> Testing
> -------
>
>
> Thanks,
>
> Jacopo
>
>
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