[Bug 165650] New: digikam appears to add a color profile for printing?

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           Summary: digikam appears to add a color profile for printing?
           Product: digikam
           Version: unspecified
          Platform: Compiled Sources
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: Image Editor
        AssignedTo: digikam-devel kde org
        ReportedBy: simon margo student utwente nl


Version:           0.9.4rc1 (using KDE 3.5.9)
Installed from:    Compiled From Sources
Compiler:          gcc (GCC) 4.2.3 (Ubuntu 4.2.3-2ubuntu7)
OS:                Linux

For some reason, when I edit a photo in digikam's editor, a lot of the times (perhaps all of the times) the photo will have problems printing at profotonet.nl. The last time I had this problem, I discussed this with profotonet and it seems they could see a second colour profile in the jpg. On the screen, the image looks perfectly normal. I still have to do more tests and I need to find the right pictures to upload as examples. I don't know how to interpret a JPEG image regarding colour profiles :-(

A workaround for this is not to use digikam's editor for editing and use the gimp (2.4.5) instead.

I suppose any information regarding what happens with colour profiles in digikam could be useful to unravel this bug...

Cheers

Simon
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[Gilles Caulier-4]

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caulier.gilles gmail com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|Image Editor                |Color Management
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------- Additional Comments From simon margo student utwente nl  2008-07-04 10:25 -------
Some more information...

I can see the problem, when I open the file afterwards in the gimp, it asks to keep or convert the color profile. When converting it, the colour issue shows up.

The shop was quite considerate of my problem, but they told me to throw away the software, because next time they won't pay for my problem ;-)

Apparently the problem is that the output JPEG file contains two references to a color profile and they are different from each other. This should not be the case, but due to the way programs read JPEGs, the viewed version seems ok, but the colours change after the color profile is converted (which happens in the printer)

/Simon
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------- Additional Comments From simon margo student utwente nl  2008-07-08 09:58 -------
Created an attachment (id=25921)
 --> (http://bugs.kde.org/attachment.cgi?id=25921&action=view)
screenshot of problem case

In this screenshot, you can see an image, converted from .ARW in digikam's
editor, saved to .jpg and then opened in the gimp. The Gimp notices a color
profile and offers to keep or convert it. I choose convert and then you get the
image shown in the screenshot. (When I choose keep, it looks the same)
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------- Additional Comments From simon margo student utwente nl  2008-07-08 09:59 -------
Created an attachment (id=25922)
 --> (http://bugs.kde.org/attachment.cgi?id=25922&action=view)
the keep/convert dialogue shown by the gimp
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------- Additional Comments From simon margo student utwente nl  2008-07-08 10:08 -------
the jpeg in question is too big for uploading, it can be found here:
http://margo.student.utwente.nl/simon/temp/DSC01940-dk.jpg  (3.1MB)
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------- Additional Comments From simon margo student utwente nl  2008-07-08 10:23 -------
The same raw file processed using ufraw and the gimp:
http://margo.student.utwente.nl/simon/temp/DSC01940-gimp.jpg
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------- Additional Comments From andi.clemens gmx net  2008-07-08 10:30 -------
Created an attachment (id=25923)
 --> (http://bugs.kde.org/attachment.cgi?id=25923&action=view)
example image

I can confirm this, look at my images here. I opened the JPEG (not converted
from RAW) into Gimp and digiKam, looks good in both programs. After that, I
sharpened the image in digiKam and created a new copy of it. Now I loaded both
images in Gimp, the second one has a color profile that doesn't match the
original image.
Also I noted that if I use filters in digiKam, not only sharpness but all kind
of image manipulation, the resulting images seem to be zoomed in a little bit.
For example I do color cast correction and safe the image in a new copy. Now I
watch both images in fullscreen inside of digiKam. When switching between both
images, the second image (the new copy) is slightly bigger, but not in the
overall dimensions. So it looks like the image has been cropped and scaled back
to the original size.
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andi.clemens gmx net changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
      everconfirmed|0                           |1
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