Re: Panther, sRGB, web browsers
Re: Panther, sRGB, web browsers
- Subject: Re: Panther, sRGB, web browsers
- From: Roger Breton <email@hidden>
- Date: Sat, 13 Dec 2003 09:17:28 -0500
Uli wrote:
>
Well, maybe I'm embarrassing myself, but I thought ColorSync would be a
>
process including several steps. I.e. your display profile only
>
corrects the individual *deviations* of your specific display from some
>
virtual neutral state, something the supplier of the image cannot
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possibly know.
>
>
Not sure that's correct, but that's how I understood the whole thing.
>
>
Bye
>
Uli
That is not how I understand what display profiles do? Others can correct me
if I am wrong but display profiles only map incoming RGB colors to XYZ (and
Lab) and outgoing colors from XYZ to RGB. This is a cold, mathematical
process with no intent to correct for any 'ideal' condition. It only gives
you a path to go from one metric to another. Yes, ColorSync is a process
including several steps. The virtual neutral state you describe, "something
the supplier of the image cannot possibly know", could be sRGB (although I
don't see what else it could be, logically ?). So, maybe your right, after
all, and I did not understand your choice of words in the first place? It
looks like, in your parlance, the monitor profiles does correct for
individual deviation of my display from the virtual neutral state that sRGB
(for argument sake) describe. Conceptually, this is right.
This being said, Safari, as a bona fide ColorSync application, should elect
to make color management in a more explicit way: we should not have to
reverse engineer it to understand how it process colors. If the intent is to
hide complexity from the average user then it's a success. But that should
not be the goal. Best example is Photoshop where all color conversions are
made explicit and under the control of the user.
So, no kudos for Apple on Safari.
Regards,
Roger Breton | Laval, Canada | email@hidden
http://pages.infinit.net/graxx
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