[Digikam-devel] [Bug 195050] Color management doesn't work in thumbnails and view mode

[Matti Rintala]

https://bugs.kde.org/show_bug.cgi?id=195050





--- Comment #25 from Matti Rintala <bitti cs tut fi>  2009-09-01 20:36:39 ---
Marcel,

If thumbnails have been generated before colour management was turned on, then
thumbnails in the db are in their original colour space, not sRGB, right? And
if colour management is then turned on, they are wrongly assumed to be in sRGB
and conversion to display profile produces wrong results? Or are thumbnails in
db always colour managed and in sRGB, even if colour management for preview is
turned off?

Is there a way to clear thumbnails from the db without completely rebuilding
it?
And should users be notified about this when they enable color management for
thumbnails?

For example, I'm thinking about AdobeRGB images (which look acceptable without
colour management with many wide gamut displays). If they end up in db in
AdobeRGB form (colour management off) and are then used as sRGB (colour
management turned on), they saturation is way too low.

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