[Bug 148772] New: histogram should refresh after editor save

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http://bugs.kde.org/show_bug.cgi?id=148772         
           Summary: histogram should refresh after editor save
           Product: digikam
           Version: unspecified
          Platform: Debian testing
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: digikam-devel kde org
        ReportedBy: bremner-keyword-kde.673b66 pivot cs unb ca


Version:            (using KDE KDE 3.5.7)
Installed from:    Debian testing/unstable Packages

After using adjust levels, save, and close the image editor, the image in the viewer updates, but not the histogram.
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[Gilles Caulier-4]

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caulier.gilles gmail com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
          Component|general                     |Image Editor
         Resolution|                            |INVALID



------- Additional Comments From caulier.gilles gmail com  2007-12-04 12:04 -------
This is not reproductible here...

Gilles Caulier
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------- Additional Comments From bremner-keyword-kde.673b66 pivot cs unb ca  2007-12-04 12:48 -------
Created an attachment (id=22333)
 --> (http://bugs.kde.org/attachment.cgi?id=22333&action=view)
Screen shot of the editor, with updated histogram
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------- Additional Comments From bremner-keyword-kde.673b66 pivot cs unb ca  2007-12-04 12:49 -------
Created an attachment (id=22334)
 --> (http://bugs.kde.org/attachment.cgi?id=22334&action=view)
Screen shot of the viewer, after editing, with the old histogram
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bremner-keyword-kde.673b66 pivot cs unb ca changed:

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



------- Additional Comments From bremner-keyword-kde.673b66 pivot cs unb ca  2007-12-04 12:58 -------
Maybe I did not explain myself well enough? I attach a couple of screenshots which might help.  I just verified the bug on a 16bit PNG, with digikam 9.3-svn from 2007-11-27.

I don't think it is something very special to my environment (unless it is a debian issue), because I originally reported the bug on a different machine
best,

David
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------- Additional Comments From bremner-keyword-kde.673b66 pivot cs unb ca  2007-12-04 13:01 -------
P.S. Leaving the album and re-entering rebuilds the histogram, so it looks like
some caching issue.
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[Gilles Caulier-4]

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------- Additional Comments From caulier.gilles gmail com  2007-12-04 13:07 -------
Ok, now i understand. It's a memory cache problem used by multithreaded image loading interface...

Marcel, can you reproduce it ?

Gilles
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[Marcel Wiesweg]

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------- Additional Comments From marcel.wiesweg gmx de  2007-12-04 18:48 -------
Yes I can reproduce it. If you select the next image and go back the histogram is realoaded, so I assume it is not a problem with the cache, but the update is not triggered.
It seems that AlbumIconView::refreshItems(KUrl::List) will should get called from signals from ImageWindow. I still need to check if this is the case as it should, and if this method or others trigger a redraw of the histogram sidebar.
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[Marcel Wiesweg]

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marcel.wiesweg gmx de changed:

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



------- Additional Comments From marcel.wiesweg gmx de  2007-12-06 20:42 -------
SVN commit 745672 by mwiesweg:

Improve a condition that is meant to filter out duplicate calls, but filters too much.
Restrict to the time while loading.

BUG: 148772


 M  +7 -2      imagepropertiescolorstab.cpp  


WebSVN link: http://websvn.kde.org/?view=rev&revision=745672
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