[Digikam-users] A couple of questions

[Gilles Caulier]

2008/2/4, Arnd Baecker <arnd.baecker at web.de>:
>
> Hi Mark,
>
> On Mon, 4 Feb 2008, Mark Ovens wrote:
>
> > Hi,
> >
> > Am I correct in thinking that digikam has to get the thumbnails from the
> > image file every time it displays them?
>
> No, digikam uses the common desktop standard, i.e. the same
> ~/.thumbnails as konqueror does.
>
> > Konqueror caches thumbnails that it creates in ~/.thumbnails, could
> > digikam not do the same (perhaps as an option)? Digikam seems to be
> > getting slower - most noticeably when using the My Dates sidebar.
>
> This could be the case if there are many matching images, see
> http://bugs.kde.org/show_bug.cgi?id=155097
>
> > I'm
> > sure that the SQL query to find matching dates is not slow. Is the
> > performance affected by the size of the image files?
>
> No, the image size should play no role.
> Of course, for images never displayed before, their
> thumbnails have to be generated.
>
> > Incidentally, in ~/.thumbnails I have a file, ~800kB, called
> > digikam-thumbnails.db but it is over 18 months old. Was this created by
> > an earlier version of dk?
>
> No idea (though the name would indicate that ;-).


I don't have this file floating around anywhere.


I have never hear something about this file...


> One minor niggle. The slide control in the status bar for zooming
> > thumbnails increases the thumbnail size when you scroll _down_ with the
> > mouse wheel. This seems illogical to me - down implies smaller and up
> > bigger. Is this a bug, or by design?
>
> You are right, to me it seems like a bug.


Sound like logic for me. Look like the zoom slider from Gwenview toolbar
give the same behaviours.

In fact there is nothing coded for that in digiKam. By default, Qt::QSlider
widget handle mouse wheel and slider value as well.

Best

Gilles Caulier
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