Re: Broswers and CM, FF3 vs. Safari
Re: Broswers and CM, FF3 vs. Safari
- Subject: Re: Broswers and CM, FF3 vs. Safari
- From: Roger Breton <email@hidden>
- Date: Wed, 30 Apr 2008 22:05:45 -0400
And we thought that color management was easy, look at the myriads of
implementation questions color management on the Internet has become! I
wouldn't want to be in that boat. Me, as far as I'm concerned, it's all
sRGB. Anything off the Internet has got to be sRGB. If we want/need more
intelligence than that, then I'd bring the image in Photoshop.
So, sRGB is that weird transfer function (aproximated to gamma 2.2). As in
Photoshop, it doesn't really matter whether the monitor is actually
calibrated to D65 or not, as R=G=B=255 is just mapped "relatively" to the
monitor's white point. The rest is a matter of the difference between my
monitor's primaries and the sRGB primaries chromaticities.
As for the OS being color-managed or not, that's a question, I'll confess, I
wasn't even aware of. To me, the OS is a place to conduct color
transactions. As such, I believe it should be color-neutral. When I use
Adobe's Creative Suite, I'm in control of color -- not the OS. And since I
do most of my color-related work in Adobe's Creative Suite, I am not as
concerned with what happens at the OS level since that is transparent to me.
This is matter of policies. Or have I really missed an important point?
> Some points to discuss:
> - Is there a way to deal with plugins? Ideally they themselves become
> CM aware, QT might do so at some point maybe?
> - Can plugin output be hijacked by the browser or the OS to apply CM?
> - What color profile to assume/apply to untagged content, ie, CSS
> content, untagged images, plugin output? Generic RGB, ie, monitor
> profile or sRGB?
> - Is the performance hit acceptable?
> - Should this [CM for untagged content] be automatic or something
> webpages should trigger (well this is rather a kind of global tagging)?
> - What to do about some content being CMed (images, CSS) and others
> not (CSS, plugins)?
> - And finally a more general question, should the whole OS (ie, the
> UI) be moved from generic RGB to some color space? It would solve the
> issue with the Mac UI being designed for a gamma of 1.8 but often
> viewed with a gamma of 2.2?
>
> Looking forward to your opinions.
>
> Markus
Roger Breton
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