[Digikam-devel] [Bug 196692] Red and blue channels in images are reversed when saving

[sachamasry at googlemail.com]

https://bugs.kde.org/show_bug.cgi?id=196692





--- Comment #2 from  <sachamasry googlemail com>  2009-06-16 11:42:37 ---
I am running Fedora core 10 on my PowerMac G5 (big endian).

LibPNG 1.2.35.

The photos, when saved, become predominantly blue. Looking at the histogram,
and filtering for the green channel on the before and after image shows the
same curve and area and statistics. When comparing the red and blue
channels, the shape of the curve and area have been swapped between the red
and blue channels, as have the statistics. I can see no other change. This
does not seem to occur when saving to jpeg, for example.

For what its worth, I used the batch convert images function on the original
from-the-camera jpegs, to convert to png, and all photos were fine. However,
when saving from the editor (still in png, or other images to png) the
damage occurs.

Sacha

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