[Digikam-devel] [Bug 205776] "Embedded preview loads full image size" does not only do what it says, confusing users

[Matti Rintala]

https://bugs.kde.org/show_bug.cgi?id=205776


Matti Rintala <bitti at cs.tut.fi> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |UNCONFIRMED
         Resolution|FIXED                       |




--- Comment #53 from Matti Rintala <bitti cs tut fi>  2011-12-27 16:47:42 ---
No, unfortunately the bug is not fixed.

Digikam still uses heuristics in addition to user settings to decide whether to
use embedded jpg preview or raw decoding for showing the picture. I still can
reproduce the following scenario with 2.4.1:

- I have "Embedded preview loads full-sized images" set
- Normally Digikam uses embedded jpg preview for Nikon NEF files.
- If I edit a Nikon NEF file with an external editor (Nikon Capture NX2) and
crop it heavily, Digikam starts using its own raw decoding for its previews
(apparently because the size of the embedded preview has dropped below a
hard-coded threshold).

As I have said earlier, it's unlikely that anyone wants Digikam to
automatically switch between embedded preview and raw decoded previews.

I suggest that current heuristics for disabling embedded previews are removed
and that the UI text for "Embedded preview loads full-sized images" is changed
to "Use embedded preview for raw files, if available" or something similar.

Matti

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