[Digikam-devel] [Bug 211758] Saving TIFF-16 compressed using exiv2 0.18 shows odd results

[Gilles Caulier]

https://bugs.kde.org/show_bug.cgi?id=211758





--- Comment #8 from Gilles Caulier <caulier gilles gmail com>  2009-12-06 15:57:50 ---
yes, i can reproduce there this dysfunction, using ne HDR creation tool when
RAW are imported as HDR. Internally, RAW are converted to TIFF file as post
processed before import.

TIFF are loadable but image contents is broken, as if R and B color are
switched... or definition of component.

This is only reproducible when libkexiv2/Exiv2 is called to restore metadata
from original RAW to TIFF.

And this i also reproducible using RAW converter create TIFF from RAW file. The
tiff writter code is the same than HDR Creator tool (code is shared in
libkipiplugins).

If i comment libkexif call, TIFF file generated is fine... This line in fact :

http://lxr.kde.org/source/extragear/graphics/kipi-plugins/common/libkipiplugins/kpwriteimage.cpp#763

The tiff writter use libtiff of course. 

I have used Exiv2 0.18.2 to make tests. I will try current code from svn...

I make some test image for investiguations. upload under progress...

Gilles Caulier

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