Re: [Gimp-developer] [darktable-dev] Darktable plug-in in GIMP - Darktable for Windows?

[Michael Natterer <mitch gimp org>]

On Mon, 2016-04-25 at 06:52 -0400, Elle Stone wrote:
> On 04/24/2016 12:30 PM, Tobias Ellinghaus wrote:
> > Am Sonntag, 24. April 2016, 09:54:25 schrieb Elle Stone:
> >
> > [...]
> >
> > > Speaking specifically of the GIMP-darktable code, it seems the
> > > GIMP-darktable code opens an already-processed 8-bit jpeg. It
> > > doesn't
> > > open the darktable raw processor interface and allow the user to
> > > choose
> > > the processing parameters and output bitdepth. Is this what is
> > > supposed
> > > to happen? I'm using darktable-2.0.3 from Gentoo portage and GIMP
> > > 2.9.3
> > > updated from git master this morning.
> > Then something isn't working for you. It's hardcoded to export
> > 32bit float EXR
> > as linear Rec709 after opening up your regular darktable. Did you
> > manually
> > select the Canon or Nikon format in the open dialog?
> Maybe I don't understand what you mean by "select the Canon or Nikon 
> format in the open dialog"? If it matters, the sample raw file I'm 
> trying to open is a Canon CR2 file.
>
> After selecting "File/Open" and looking under the tab that allows you
> to 
> select which file types to show, there doesn't seem to be any Canon
> or 
> Nikon format listed. There used to be an option to select camera raw 
> files, but that option seems to have disappeared recently.
>
> FWIW, I updated GIMP 2.9.3 from git this morning and there has been
> some 
> new "file type magic" code added. But opening the Canon CR2 file
> still 
> results in an 8-bit jpeg, accompanied by various terminal and popup 
> errors and warnings.

You need the EXR plug-in built (have OpenEXR), install the plug-ins
after the build, and have darktable in your PATH, then things should
work automatically after my file magic fixes.

--Mitch