[Digikam-devel] [Bug 274865] New: Multipage TIFF files with Exif.Image.Orientation = 1 aren't decoded properly

[Guillaume Paumier]

https://bugs.kde.org/show_bug.cgi?id=274865

           Summary: Multipage TIFF files with Exif.Image.Orientation = 1
                    aren't decoded properly
           Product: digikam
           Version: 2.0.0
          Platform: Compiled Sources
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: digikam-devel at kde.org
        ReportedBy: guillom.pom at gmail.com


Version:           2.0.0 (using KDE 4.6.2) 
OS:                Linux

Some pro- and semi-pro cameras allow the photographer to save the images in
TIFF format.

In this case, the file can contain two pages: one for the high-resolution
image, and one for a low-resolution thumbnail.

Digikam seems to have problem decoding such files. I'm not sure if the issue
comes from the multipage TIFF, or the EXIF orientation, or both.

Wiping out the EXIF metadata fixes the problem, but obviously that's not an
acceptable general solution.

Reproducible: Always

Steps to Reproduce:
* Open http://dl.dropbox.com/u/17707983/DSC_0301.TIF (35.2 MB) in digiKam
* Zoom to 100%

Actual Results:  
* Strips are visible when viewing the image at 100%
* Strips are actually saved when saving the file in another format, so it's not
only a display issue.

Expected Results:  
* The image should be decoded properly.

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