[Digikam-devel] [Bug 121281] New: sharpening photograph tool is not working

[bg-4]

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http://bugs.kde.org/show_bug.cgi?id=121281         
           Summary: sharpening photograph tool is not working
           Product: digikam
           Version: 0.9.0-svn
          Platform: unspecified
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: Image Editor
        AssignedTo: digikam-devel kde org
        ReportedBy: bg megapolis pl


Version:           0.9.0-svn (using KDE 3.5.1, Kubuntu Package 4:3.5.1-0ubuntu0breezy1 )
Compiler:          Target: i486-linux-gnu
OS:                Linux (i686) release 2.6.12-10-686

When using sharpening tool and setting the value for "sharpness" to any value > 0 , target area of preview window becomes black. Such effect can be applied and resulting image is black, too.

Output from console:

digikam: Reading JPEG metadata: APP1 (size=6279)
digikam: Reading JPEG metadata: APP13 (size=7514)
digikam: Reading JPEG metadata: APP1 (size=6149)
digikam: SharedLoadingTask 0x864b6b0: image loaded, false
digikam: Sharpen::End of computation !!! ... ( 0 s )
digikam: Preview sharpen completed...
digikam: Sharpen::End of computation !!! ... ( 0 s )
digikam: Preview sharpen completed...
digikam: Preview sharpen completed...
digikam: Sharpen::End of computation !!! ... ( 2 s )
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[Gilles Caulier]

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caulier.gilles free fr changed:

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



------- Additional Comments From caulier.gilles free fr  2006-02-03 12:50 -------
I cannot accept any bugs report from 0.9.0 because code is under development.

If you read the TODO file, you can see that sharpen algorithm need to be updated to support 16 bits image.

Actually, the code is broken in the tool. This is why you have a black hole instead the image.

I close this file. I will just restored the algorithm to work only why 8 bits images! If you know image filter algorithms, you can help me to finalize this job (:=))))...

Gilles Caulier
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