Floating point color in Krita

[Mikhail Lyossin]

>
> There is also the problem, that icc profiles are limited to 16 bits, and
> as a
> lot of our base functionnality for filters use profile transformation, and
> especially colorspace convertion, full 32bits is going to be a big
> problem.
>

I think that for floating point format it's best to handle
raw(scene-referred) floating point data inside all filters math and the rest
(see http://www.openexr.com/OpenEXRColorManagement.pdf for details), and
after the image is ready to be shown, during tone mapping, viewing profile
should be applied.
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