[Digikam-devel] [Bug 307452] Corrupt preview images at 30 bit depth

[Marcel Wiesweg]

https://bugs.kde.org/show_bug.cgi?id=307452

--- Comment #5 from Marcel Wiesweg <marcel.wiesweg at gmx.de> ---
Gilles, this is about hardware capabilities, 10bits per channel:
http://forums.dpreview.com/forums/read.asp?forum=1004&message=40619494

We generate pixmaps from QImages, there is no other way, which only supports
8bit, and probably the whole traditional 2D X.org stack only support 8bit.

Digikam will not in the near future be based on SceneGraph, but OpenGL seems to
be the only way to access this bit depth.
http://stackoverflow.com/questions/6172514/display-monitors-with-more-than-256-shades-of-gray

For the bug here, I suspect a problem in the graphics stack.

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