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

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[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: [hidden email]
        ReportedBy: [hidden email]


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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[Bug 169432] introduce setting to always save to a lossless format

Gilles Caulier-4
http://bugs.kde.org/show_bug.cgi?id=169432


Gilles Caulier caulier gilles gmail com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|general                     |Image Editor
            Version|unspecified                 |0.10.0-beta2




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[Bug 169432] introduce setting to always save to a lossless format

Gilles Caulier-4
In reply to this post by S. Burmeister
http://bugs.kde.org/show_bug.cgi?id=169432





--- Comment #1 from Gilles Caulier <caulier gilles gmail com>  2008-12-03 12:59:32 ---
In editor, when you use File/Save As, PNG file format is always proposed by
default. PNG is LossLess, support 16 bits color depth, and preserve all
metadata.

I'm not agree to add another "File/Save to LossLess" option in interface.

Of course, more info in Save As dialog settings can be add to identify which
image format is lossless. Currently, PNG, TIFF, and JPEG2000 (if right option
is used)

Gilles Caulier


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[Bug 169432] introduce setting to always save to a lossless format

Gilles Caulier-4
In reply to this post by S. Burmeister
http://bugs.kde.org/show_bug.cgi?id=169432





--- Comment #2 from Gilles Caulier <caulier gilles gmail com>  2008-12-25 14:26:04 ---
Andi, Marcel,

I would to close this file as WONTFIX, as i explain in comment #1.

Your viewpoints ?

Gilles Caulier


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[Bug 169432] introduce setting to always save to a lossless format

Marcel Wiesweg
In reply to this post by S. Burmeister
http://bugs.kde.org/show_bug.cgi?id=169432





--- Comment #3 from Marcel Wiesweg <marcel wiesweg gmx de>  2008-12-26 16:55:44 ---
ok for me


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[Bug 169432] introduce setting to always save to a lossless format

Bugzilla from andi.clemens@gmx.net
In reply to this post by S. Burmeister
http://bugs.kde.org/show_bug.cgi?id=169432





--- Comment #4 from Andi Clemens <andi clemens gmx net>  2008-12-27 14:53:37 ---
Sorry for the delay..

ok for me too!


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[Bug 169432] introduce setting to always save to a lossless format

S. Burmeister
In reply to this post by S. Burmeister
http://bugs.kde.org/show_bug.cgi?id=169432





--- Comment #5 from S. Burmeister <sven burmeister gmx net>  2008-12-29 13:02:17 ---
This is not about adding anything to the menu. Rather to the settings. so if
the user saves a JPG it will always and automatically saved as e.g. PNG.


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[Bug 169432] introduce setting to always save to a lossless format

Gilles Caulier-4
In reply to this post by S. Burmeister
https://bugs.kde.org/show_bug.cgi?id=169432


Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|0.10.0-beta2                |0.10.0




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[Bug 169432] introduce setting to always save to a lossless format

Gilles Caulier-4
In reply to this post by S. Burmeister
https://bugs.kde.org/show_bug.cgi?id=169432


Gilles Caulier <[hidden email]> changed:

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




--- Comment #6 from Gilles Caulier <caulier gilles gmail com>  2011-11-24 09:20:07 ---
Sven,

For me, this entry is solved with versioning feature introduced in 2.x serie.
You can always save image from editor to lossless format. Just turn on
versioning and use right image format in setup dialog (PNG, TIFF, PGF,
JPEG2000)

Gilles Caulier

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[Bug 169432] introduce setting to always save to a lossless format

Gilles Caulier-4
In reply to this post by S. Burmeister
https://bugs.kde.org/show_bug.cgi?id=169432

Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Version Fixed In|                            |2.4.0

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