https://bugs.kde.org/show_bug.cgi?id=311247Gilles Caulier <
[hidden email]> changed:
What |Removed |Added
----------------------------------------------------------------------------
Component|libkexiv2 |screensavers
Version|unspecified |4.9.4
Assignee|
[hidden email] |kscreensaver-bugs-null@kde.
| |org
Product|digikam |kscreensaver
--- Comment #9 from Gilles Caulier <
[hidden email]> ---
Problem is in slideshow.cpp implementation.
Here you try to load RAW image using QImage container. QImage do not support
RAW file through Qt or KDE image loader.
Canon RAW file are tiff/ep based format. QT detect TIFF and use relevant loader
which is exist in KDELibs.
... But it's wrong. definitively the image loaded by this way is not the right
image.
To resume : RAW format are complex container with multiple image embeded,
including RAW data, JPEG preview embeded, and metadata...
To load RAW image preview, you need to use libkdcraw from kdegraphics (the
companion of libkexiv2). This lib is also done by digiKam team.
Loading RAW preview in QImage is very simple. Look code from Kipi-plugin OpenGL
image viewer as example :
https://projects.kde.org/projects/extragear/graphics/kipi-plugins/repository/revisions/master/entry/imageviewer/texture.cpp#L124Code to autorotate image based on KEXiv2 is also included in this method. It
use KPImageInfo which return orientation flags from KIPI host, which is in fact
Exif orientation flag...
Gilles Caulier
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