[digikam] [Bug 333001] New: JP2 compression has no effect

[DrSlony-4]

https://bugs.kde.org/show_bug.cgi?id=333001

            Bug ID: 333001
           Summary: JP2 compression has no effect
    Classification: Unclassified
           Product: digikam
           Version: 3.5.0
          Platform: Gentoo Packages
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: [hidden email]
          Reporter: [hidden email]

JPEG2000 images always end up saved with the same file size regardless of
"quality" slider setting or whether "lossless" is enabled or not. Tested in BQM
and showFoto.

Reproducible: Always

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[DrSlony-4]

https://bugs.kde.org/show_bug.cgi?id=333001

DrSlony <[hidden email]> changed:

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                 CC|                            |[hidden email]

--- Comment #1 from DrSlony <[hidden email]> ---
Still not fixed in 4.2.0.

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[Gilles Caulier-4]

https://bugs.kde.org/show_bug.cgi?id=333001

Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|3.5.0                       |4.2.0
                 CC|                            |[hidden email]

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[Gilles Caulier-4]

https://bugs.kde.org/show_bug.cgi?id=333001

Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
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     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |CONFIRMED

--- Comment #2 from Gilles Caulier <[hidden email]> ---
I can reproduce the problem with digiKam and KColorPaint, which use the same
rules about JP2 compression rate passed to Jasper lib.

Sound like a problem with Jasper lib options parser to jp2_encode().

Gilles Caulier

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[Gilles Caulier-4]

https://bugs.kde.org/show_bug.cgi?id=333001

Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|CONFIRMED                   |RESOLVED
   Version Fixed In|                            |4.3.0
      Latest Commit|                            |http://commits.kde.org/digi
                   |                            |kam/a0aa06602dca543d4bcb6d4
                   |                            |529b6547b416056f1
         Resolution|---                         |FIXED

--- Comment #3 from Gilles Caulier <[hidden email]> ---
Git commit a0aa06602dca543d4bcb6d4529b6547b416056f1 by Gilles Caulier.
Committed on 22/08/2014 at 14:57.
Pushed by cgilles into branch 'master'.

Fix rate value argument to pass to Jasper::jp2_encode().
Rate value must use comma float, not dot float notation.
Constify and polish.
FIXED-IN: 4.3.0

M  +2    -1    NEWS
M  +13   -16   libs/dimg/loaders/jp2kloader.cpp
M  +1    -1    libs/dimg/loaders/jp2kloader.h

http://commits.kde.org/digikam/a0aa06602dca543d4bcb6d4529b6547b416056f1

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[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=333001

[hidden email] changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|general                     |ImageEditor-FileIO

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