[Digikam-devel] [Bug 210259] Scan crashed on multi-layer TIFFs

[Andreas Huggel]

https://bugs.kde.org/show_bug.cgi?id=210259





--- Comment #22 from Andreas Huggel <ahuggel gmx net>  2010-03-04 14:47:19 ---
Thanks for the image.

I've created an Exiv2 bug for this: http://dev.exiv2.org/issues/show/684
and checked-in a quickfix with r2034. This change is binary compatible, all you
need to do is re-compile and re-install Exiv2, digiKam & Co don't need to be
re-built.

The quickfix removes the assertion failure but Exiv2 still only handles the
first for sub-IFDs. Further sub-IFDs are not decoded and, more important, if
you write to the sample TIFF image using this revision of Exiv2, it may remove
sub-IFDs beyond the first four.

Next I'll work on a better solution, but that will not be binary compatible
anymore.

Andreas

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