[Bug 262303] New: importing a RAW picture results in empty view

[S. Burmeister]

https://bugs.kde.org/show_bug.cgi?id=262303

           Summary: importing a RAW picture results in empty view
           Product: digikam
           Version: 2.0.0
          Platform: Compiled Sources
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: libkdcraw
        AssignedTo: [hidden email]
        ReportedBy: [hidden email]


Version:           2.0.0 (using KDE 4.5.90)
OS:                Linux

If one opens a RAW picture in the editor the preview is calculated and shown.
Yet as soon as one clicks on "import" in the RAW decoding sidebar the view
becomes empty and no picture is imported.

svn rev. 1212139

Reproducible: Always

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[Gilles Caulier-4]

https://bugs.kde.org/show_bug.cgi?id=262303


Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
                 CC|                            |[hidden email]
          Component|libkdcraw                   |Image Editor
     Ever Confirmed|0                           |1




--- Comment #1 from Gilles Caulier <caulier gilles gmail com>  2011-01-06 14:46:24 ---
Yes, i confirm.

Gilles Caulier

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[Marcel Wiesweg]

https://bugs.kde.org/show_bug.cgi?id=262303


Marcel Wiesweg <[hidden email]> changed:

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                 CC|                            |[hidden email]




--- Comment #2 from Marcel Wiesweg <marcel wiesweg gmx de>  2011-01-06 15:28:26 ---
The problem is this line in slotRawLoadFromTool:
    if (!rawImport->demosaicingSettingsDirty())
which returns false.
It also does not work if the raw preview was never generated.
Don't know what went wrong here

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[Marcel Wiesweg]

https://bugs.kde.org/show_bug.cgi?id=262303


Marcel Wiesweg <[hidden email]> changed:

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




--- Comment #3 from Marcel Wiesweg <marcel wiesweg gmx de>  2011-01-06 16:10:52 ---
SVN commit 1212333 by mwiesweg:

Fix comparison.

Because of this bug, the following always failed:
DRawDecoding a = b;
if (a == b) { ... } // returned false

BUG: 262303


 M  +1 -1      loadingdescription.cpp  


WebSVN link: http://websvn.kde.org/?view=rev&revision=1212333

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[S. Burmeister]

https://bugs.kde.org/show_bug.cgi?id=262303





--- Comment #4 from S. Burmeister <sven burmeister gmx net>  2011-01-07 16:24:48 ---
Not sure whether this is related but if you click on "import" while digikam is
still calculating the import preview in the image editor you still get an empty
view.

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[Marcel Wiesweg]

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--- Comment #5 from Marcel Wiesweg <marcel wiesweg gmx de>  2011-01-07 19:03:17 ---
Good point.

Gilles, currently the check is if the "Update" button of raw settings is
enabled. We need to check if a) the button is disabled AND b) no filter is
running? Or a bool dirty flag?

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[Gilles Caulier-4]

https://bugs.kde.org/show_bug.cgi?id=262303





--- Comment #6 from Gilles Caulier <caulier gilles gmail com>  2011-01-07 19:44:15 ---
Well, the Import button must be disabled until computation is working. Why ?
because the image imported will be the one computed in rawimport tool for
preview.

Remember that old behavior been to recompute the image when import is pressed,
because preview image been a reduced version in all case. Now it's different,
due to a lack of preview for some important options to decode raw has
demosicing method, which has no effect in half preview extraction.

I think this problem exist too into trunk (1.8.0), because i not tested this
case, if i remember. Swen, can you confirm this ?

Gilles Caulier

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[Marcel Wiesweg]

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--- Comment #7 from Marcel Wiesweg <marcel wiesweg gmx de>  2011-01-07 23:31:59 ---
Open a RAW image. The image is being loaded, the Update button is disabled -
all right.
Now you click on Import. Check and conclusion is: "button is disabled => image
is ready". But it is not, there is no image, it is still being loaded.

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[Gilles Caulier-4]

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--- Comment #8 from Gilles Caulier <caulier gilles gmail com>  2011-01-10 11:51:36 ---
Do you see this message on the console :

Object::connect: No such signal
Digikam::RawSettingsBox::signalDemosaicingChanged() in
/mnt/data/Devel/SVN/branches/digikam/core/utilities/imageeditor/rawimport/rawimport.cpp:105

Gilles

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[Gilles Caulier-4]

https://bugs.kde.org/show_bug.cgi?id=262303

Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Version Fixed In|                            |2.0.0

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