[Digikam-devel] [Bug 255553] New: Batch Color Space Converter Doesn't Work On 16bit TIF Files

[Frank Gore]

https://bugs.kde.org/show_bug.cgi?id=255553

           Summary: Batch Color Space Converter Doesn't Work On 16bit TIF
                    Files
           Product: digikam
           Version: 1.5.0
          Platform: openSUSE RPMs
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: Color Management
        AssignedTo: digikam-devel at kde.org
        ReportedBy: gore at projectpontiac.com


Created an attachment (id=52957)
 --> (http://bugs.kde.org/attachment.cgi?id=52957)
This is how it should look

Version:           1.5.0 (using KDE 4.4.4) 
OS:                Linux

When I use the Batch Color Space Conversion tool on TIF files I generated from
DNG files, the resulting pictures have their colors all over the place. I use
16bit ProPhoto RGB as my working color space, but I want to convert to 8bit
sRGB before posting to the web.

Reproducible: Always

Steps to Reproduce:
- Use UFraw to generate a TIF file in 16bit ProPhoto color space (from the
camera's original DNG)
- add this TIF file to the batch queue manager
- add the color space conversion tool
- select sRGB as the conversion color space
- run batch

Actual Results:  
The resulting picture has incorrect colors. Looks like the new colour profile
was assigned to the picture, instead of any conversion being made.

Expected Results:  
The resulting picture should appear at least somewhat similar to the original.

I tried to perform this on TIF files generated by Digikam, but Digikam fails
spectacularly to create 16bit ProPhoto TIFs from DNG files. (a whole different
bug)

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