With the work being done on the display stack around HDR and color management there is a risk that some of the older stuff fall to the side. Is there anyone reading this using or relying on the ICC color profiles for printers? Is it useful? I been told it basically isn't, but I would love to hear a counterargument if anyone got one. #linux #printing #fedora #colormanagement
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@Cfkschaller I think some folks in the Libre Graphics Space are definitely interested.
Let's see if some of the folks that I know might be interested in replying: @lgm @GIMP @inkscape @krita
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@nielsdg @Cfkschaller @lgm @inkscape @Krita
What do you mean ICC is not useful for printers? Who said this? ICC is definitely a complicated technology to get right. But it's also definitely a useful and used technology for printing.
Not sure what counterargument is needed because it's the whole point of ICC profiles (so the counterargument is the reason of why ICC profiles exist and how they are used these days). 🙂
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@Cfkschaller Dunno how relevant this is since I use debian & may be mistaken by what the question is about, so that in mind:
I am an artist who uses Krita (everyday), and quite often print things. Print shops want various sorts of icc profiles, sometimes their own unique ones. But I think this is handled by Krita since a picture couldn't exist without a profile...?
I have not familiarized myself with HDR at all since I've never had access to anything that could display it.
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@Neotheta thanks for your response. So my question was more thinking about the icc files you can upload to at least some home printers to calibrate the color. Never met anyone who tried that who was able to spot a difference though 🤷
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@Cfkschaller @Neotheta ICC profiles for home printers absolutely make a difference. Printing to a Canon Selfy photo printer with and without one is very noticeable. That should be true for any reasonably good photo printer
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@Cfkschaller I've only ever heard of printer calibration as a sort of myth because I've never seen or heard anyone who has done it.
Colour calibration also needs an expensive device so the benefits are very small.
But it does make me think that something that needs precision like this could be found rather in science than art/photo printing.
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@Cfkschaller I'm certainly not an expert on graphic stacks, but if you want to print pictures and prefer your colors to come out somewhat accurate, ICC is the best solution right now as far as I know.
I have also not heard of a better alternative...
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@ixs yeah, I think though that there are multiple adjacent technologies here. There is ICC data embedded in graphics files which I think is what your talking about, while I am talking about generic ICC files for specific printers
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@Cfkschaller I mean, you need both, right?
A color profile embedded in the picture is helpful, but only part of it.
To ensure that the yellow on your picture which looks "right"on the screen also comes out as yellow instead of beige on the print you need ICC in the file, and you need ICC profiles for your screen and your printer.
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@Cfkschaller was never able to find a way to calibrate my printer or find a profile for it, so no. But! If you're talking about color management under Wayland, please please make it happen, and to hell with all the printers in the world :-)
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@Cfkschaller It works fine with FOSS tools. But if the printer ICC profile doesn't take the exact paper used for printing into account, it can't work. Most home printer manufacturers have no control over what paper people are using, and most people don't have a calibration device at hand.
Professional print shops will supply the calibrated printer ICC profiles for their exact machine and paper types and make sure they're up to date. It's vital to use them.
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@Cfkschaller when sending photo to be printed at "fine art" print houses they provide the icc profile for all their printer+paper combo. It's really needed (so you can see on a calibrated monitor what the print will look like) to avoid yet-another back-and-forth proofing of your prints.
Maybe 99.99% of home users don't need it, but removing it altogether would kill Linux as a choice for that segment.
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@Cfkschaller Wayland color management is meant only for displays, and only for pictures that have already been prepared for some display. Please, don't throw away anything from the scanner, printer and camera color management, Wayland is irrelevant there.
Printer ICC profiles are absolutely necessary for predictable printing. A Wayland compositor with ICC support OTOH should not accept a printer, scanner or camera ICC profile to begin with, handling them must be left for the CMMs as before.
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