Re: [Gimp-developer] How to retrieve the monitor profile from inside a plug-in

[Carmelo DrRaw <aferrero1975 gmail com>]

> On 08 Sep 2016, at 09:01, C R <cajhne gmail com> wrote:
>
> Indeed. I'm finding the speed to be roughly the same as I'm used to with the GIMP ppa.
>
> Out of curiosity, is it possible to package a different set of GIMP defaults with an AppImage?
> For example, say I wanted to:
>
> 1. Set NoHalo as the default interpolation mode for all transformations
> 2. Set the preview opacity to 75% during all transformations
> 3. Map (or remap) hotkeys
>
> Is there a way to do this in an AppImage?

There might be a way to do that, but I would be very reluctant to do so, simply because each person has its 
own preferences…

But you can easily copy your GIMP preferences over to the appimage, like this:

cp -a $HOME/.config/GIMP/2.9 $HOME/.config/GIMP-AppImage/
rm -f $HOME/.config/GIMP-AppImage/pluginrc

Best,
A

> Thanks!
>
> -C
>
> On Wed, Sep 7, 2016 at 9:33 PM, Carmelo DrRaw <aferrero1975 gmail com <mailto:aferrero1975 gmail com>> 
> wrote:
>
> > On 07 Sep 2016, at 22:28, C R <cajhne gmail com <mailto:cajhne gmail com>> wrote:
> >
> > This is fantastic! I could see this become my preferred way to use GIMP.
> > G'MIC works like a charm, can't make it break. Used a 2000x2000 test image, and it just flies!
>
> At this point, the performances of the AppImage should be very close, if not equivalent, to the standard 
> GIMP.
>
> > Well done, and thanks!
>
> You are welcome!
>
> > -C
> >
> > On Tue, Sep 6, 2016 at 7:13 PM, Carmelo DrRaw <aferrero1975 gmail com <mailto:aferrero1975 gmail com>> 
> > wrote:
> > Thanks, it worked!!!
> >
> > The only part which is still missing is the tracking of monitor changes.
> >
> > I have prepared a special GIMP AppImage with the patched gmic plug-in, if anyone is interested to test it 
> > and give some feedback: 
> > https://www.dropbox.com/s/xfo6okeqhx4kv5u/gimp-2.9.5-20160906.glibc2.15-x86_64.AppImage?dl=0 
> > <https://www.dropbox.com/s/xfo6okeqhx4kv5u/gimp-2.9.5-20160906.glibc2.15-x86_64.AppImage?dl=0>
> >
> > Regards,
> > Andrea
> >
> > > On 06 Sep 2016, at 18:35, Michael Natterer <mitch gimp org <mailto:mitch gimp org>> wrote:
> > >
> > > On Tue, 2016-09-06 at 16:47 +0200, Carmelo DrRaw wrote:
> > > > > On 06 Sep 2016, at 16:41, Michael Natterer <mitch gimp org <mailto:mitch gimp org>> wrote:
> > > > >
> > > > > On Tue, 2016-09-06 at 16:30 +0200, Carmelo DrRaw wrote:
> > > > >
> > > > > In GIMP git master, you would say
> > > > >
> > > > > gimp_preview_area_set_color_config (gimp_preview_get_area
> > > > > (preview),
> > > > >                                     gimp_get_color_configuration
> > > > > ());
> > > >
> > > > Thanks! However, I assume that the ICC conversion is done in this
> > > > case using 8-bits precision, right?
> > > >
> > > > I would like to take advantage of the fact that G’MIC handles
> > > > floating-point precision, by doing the ICC conversion before the
> > > > conversion to 8-bits…
> > >
> > > Moreover, this API only makes sure an assumed-to-be-sRGB image
> > > is displayed correctly in 8 bit.
> > >
> > > You can omit this call, and feed color-corrected pixels to
> > > the preview directly, look at the GimpColorTransform API
> > > in libgimpcolor, which is a simple wrapper around lcms
> > > (which you don't need to use at all).
> > >
> > > For the image profile, use gimp_image_get_effective_color_profile(),
> > >
> > > for getting the transform, best use gimp_widget_get_color_transform()
> > > which will look up the right display profile by itself.
> > >
> > > Also, use gimp_widget_track_monitor() so you can recreate
> > > the transform when the window is moved to another monitor.
> > >
> > > For example code, grep for
> > >
> > > gimp_widget_get_color_transform
> > > gimp_widget_track_monitor
> > >
> > > in libgimpwidgets/ and app/widgets/
> > >
> > > Regards,
> > > --Mitch
> > >
> > > > > My question was if this is a plug-in against GIMP 2.8 (soon
> > > > > obsolete)
> > > > > or against GIMP git master.
> > > > >
> > > > > I wouldn't bother do add color management to a GIMP 2.8 plug-in
> > > > > and I have never tried.
> > > >
> > > > I see… G’MIC is already adapted to high bit depth and 2.9 API, so I
> > > > think it is worth adding proper color management.
> > > >
> > > > Regards,
> > > > Andrea
> > > >
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