Re: [Gimp-developer] [Gimp-user] User's Guide to High Bit Depth GIMP 2.9

[Partha Bagchi <partha1b gmail com>]

Elle,

What are your thoughts on the 64-bit precision now in Gimp?

Also, (I know, I shouldn't ask :) ) are the patches already in the
current trunk?

Thanks,
Partha


On Sat, Nov 1, 2014 at 7:40 AM, Elle Stone
<ellestone ninedegreesbelow com> wrote:
> I posted a "User's Guide to High Bit Depth GIMP 2.9" to my website.
>
> Some of the GIMP 2.9 code still uses hard-coded "sRGB-only" parameters.
>
> Consequently, if you use GIMP 2.9 to edit images in wider gamut RGB working
> spaces such as ProPhotoRGB or AdobeRGB1998, the affected editing operations
> produce incorrect results.
>
> The "User's Guide" tells you which editing operations to watch out for and
> also provides some workarounds.
>
> Some of the workarounds are simple, and some require making small
> modifications to the source code and then recompiling babl/GEGL/GIMP.
>
> Here's the link:
> http://ninedegreesbelow.com/photography/users-guide-to-high-bit-depth-gimp.html
>
> The Guide talks about color management and so gets a bit technical in
> places. So if anyone has questions, please ask and I'll do my best to answer
> them.
>
> Best regards,
> Elle Stone
> --
> http://ninedegreesbelow.com
> Color management and free/libre photography
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