[Digikam-devel] [Bug 233094] libpgf relevant : thumbnails blurry (when scaling) on PowerPC platform (big-endian)

[Vlado Plaga]

https://bugs.kde.org/show_bug.cgi?id=233094





--- Comment #26 from Vlado Plaga <rechner vlado-do de>  2010-04-18 14:58:56 ---
Created an attachment (id=42874)
 --> (http://bugs.kde.org/attachment.cgi?id=42874)
patch to digiKam 1.2.0's pgfutils.cpp to create debug files in /tmp

Raphael,
using your patched pgfutils.cpp from 2010-04-15 (comment 23) I also could not
reproduce the blurriness issue. The reason seems to be that you patched the
current SVN version of pgfutils.cpp, which already includes your patches from
2010-04-14 (comment 15)! Isolating the debug patch and merging the two relevant
sections into digiKam 1.2.0's original pgfutils.cpp led to PGF files in /tmp
that where buggy, showed in strange colours in showfoto, and even lead to a
program crash (although that crash could also have been caused by something
else). I'll send you the debug images (~ 500 KByte) in a private e-mail.

In case anyone is curious to (better) see the picture I mainly used for
comparison:
http://www.vlado-do.de/photos/image.php?src=australia_2008&img=2008-11-21__17-48-38

Gilles, judging from the tests I ran today with digiKam 1.2.0 source code it
seems not necessary to reduce the PGF thumbnails' compression level (in
thumbnailcreator.cpp), if the current pgfutils.cpp (from SVN) is used. So you
might want to undo that compression level change in SVN before the next digiKam
release.

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