[Bug 222328] New: In-place rotation converts 16 bit TIFF to 8 bit

[Sven Coenye]

https://bugs.kde.org/show_bug.cgi?id=222328

           Summary: In-place rotation converts 16 bit TIFF to 8 bit
           Product: digikam
           Version: 1.0.0
          Platform: Debian testing
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: [hidden email]
        ReportedBy: [hidden email]


Version:           1.0.0 (using KDE 4.3.2)
OS:                Linux
Installed from:    Debian testing/unstable Packages

The in-place rotate functions in the image context menu turn 16 bit TIFF files
into 8 bit files.

Expectation: 16 bit images should remain 16 bit.

Steps to reproduce:
- Click on a 16 bit/channel image in the thumbnail bar.
- Right click over the image in the main panel
- Select Rotate/Left or Rotate/Right
- The end result is an 8 bit/channel image

As the original file is overwritten, this bug is rather destructive.

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[Sven Coenye]

https://bugs.kde.org/show_bug.cgi?id=222328





--- Comment #1 from Sven Coenye <scoenye compaqnet be>  2010-01-13 02:28:46 ---
Correction: this appears to be a "feature" of the underlying utility, convert,
as built by Debian in GraphicsMagick 1.3.5-6. This package does not support 16
bit/channel. Replacing GraphicsMagick  with the real ImageMagick fixes this
issue.

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[Gilles Caulier-4]

https://bugs.kde.org/show_bug.cgi?id=222328


Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
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             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |DOWNSTREAM




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Gilles Caulier <[hidden email]> changed:

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          Component|general                     |JPEGLossLess
            Product|digikam                     |kipiplugins




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Gilles Caulier <[hidden email]> changed:

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[hidden email] changed:

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           Assignee|[hidden email]         |[hidden email]
            Version|1.0.0                       |unspecified
          Component|general                     |BatchQueueManager
            Product|kipiplugins                 |digikam

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           What    |Removed                     |Added
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          Component|BatchQueueManager           |BatchQueueManager-Tool-Rota
                   |                            |te

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