[Digikam-devel] [Bug 169432] New: introduce setting to always save to a lossless format

[S. Burmeister]

http://bugs.kde.org/show_bug.cgi?id=169432

           Summary: introduce setting to always save to a lossless format
           Product: digikam
           Version: unspecified
          Platform: SuSE RPMs
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: wishlist
          Priority: NOR
         Component: general
        AssignedTo: digikam-devel at kde.org
        ReportedBy: sven.burmeister at gmx.net


Version:           0.10 beta2 (using KDE 4.1.0)
OS:                Linux
Installed from:    SuSE RPMs

There was a lengthy discussion about how to warn the user about lossy saving of
images. One solution would be to convert all images to a lossless format when
downloading them, however this makes downloading images very slow.

The conversion of a lossy format to a lossless is only neccessary, if the user
edits and saves an image. So from my point of view it would make sense to only
convert those images that are edited.

To achieve this one could offer a setting that allows the user to enable
"always save to lossless format [format drop-down]". So instead of having to
pick a lossless format everytime one saves a file, digikam does so
automatically.

This is faster and more efficient than converting all pictures while
downloading and more comfortable than having to change the format everytime one
saves an image.

If seen as sensible one could even integrate this into the save dialogue
warning, i.e. the warning would not just state "saving to JPEG losses
information", but offer a checkbox "always save to a lossless format".


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