Re: [Gimp-developer] Soft proofing and the GIMP Display Filters and Color Management settings

On Mon, 2014-03-10 at 08:55 -0400, Elle Stone wrote:

The odd behavior of the display filters came to my attention because 
I've been working on rewriting some of the GIMP color management 
documentation and so took a closer look at what all the display filters do.

Documenting (briefly) the wrongness might help demonstrate what needs to
be done, too.

I agree 100% that soft proofing requires the ability to quickly switch 
gamut checks on and off, and also quickly enable/disable soft proofing.
+1 although for print work at this point you have to move to Krita or
Photoshop, most likely photoShop with a "preflight" plugin, so that you
can adjust individual plates (e.g. with dodge) for the different ink
colours (CMYK at the most basic, or two plates for a duotone).

The decision is (as I understand it) for GIMP to stay out of the print
shop so this all gets a little fuzzy for me.

But there are plenty of non-print use cases for soft proofing, of
course, including e.g. targeting a specific mobile device (even though
there's huge variation between individuals, there are basic limits on
the colour you can usefully work with) or for projection at a conference
or in an art gallery.

A common way to soft proof requires having the image open twice to 
compare the original with the soft proofed version.

Yes. It's unfortunate that Single Window Mode makes this hard.

The current GIMP preferences allow you to choose "Print Simulation" in 
"Preferences/Color Management/Mode of operation". But that sets *all* 
open images to Print Simulation mode, for which I can't think of any use 
No - a display filter makes more sense, agreed. Then you could maybe
make the filter apply be default to all images if you really wanted?

There should be (is??) a way to include something in the title bar
and/or status bar to show which display filters are active.


Liam Quin - XML Activity Lead, W3C,
Pictures from old books:
Ankh: freenode/#xml

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