[Digikam-users] A couple of questions

[Arnd Baecker]

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.

> 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.

Best, Arnd