[Bug 167242] New: thumbnails needs a lot of space compared to the pictures itself

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           Summary: thumbnails needs a lot of space compared to the pictures
                    itself
           Product: digikam
           Version: 0.9.4-rc1
          Platform: unspecified
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: wishlist
          Priority: NOR
         Component: general
        AssignedTo: digikam-devel kde org
        ReportedBy: toralf.foerster gmx de


Version:           0.9.4-rc1 (using 3.5.9, Gentoo)
Compiler:          Target: i686-pc-linux-gnu
OS:                Linux (i686) release 2.6.25-gentoo-r7

With a resolution of 3 mega pixel each of my JPEG photos needs 1.5 MB disck space. The thumbnails are stored in PNG format resulting in ~100 KB for each large thumbnail. IMHO what's about changing the format of the thumbnails to reduce the disk space they need compared to the original image format ?
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------- Additional Comments From mikmach wp pl  2008-07-22 22:31 -------
This is because digiKam follows freedesktop.org .thumbnails standard.

But IMO developers should seriously consider abandoning this for several
reasons:

1. PNG thumbs are too big.
2. Not interlaced images can take long time to load.
3. Standard was written several years ago and covers only files up to
   256 pixels. With modern displays it is too small. Something up to 512
   would be good.
4. .thumbnails directory isn't very useful on other platforms.
5. .thumbnails directory isn't portable itself. If you store your
   collection with database on pluggable disk and switch computers you
   will have to recreate thumbs on new computer.
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[Gilles Caulier-4]

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caulier.gilles gmail com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|general                     |Thumbnails
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