Re: Mission impossible
Re: Mission impossible
- Subject: Re: Mission impossible
- From: Florian Höch <email@hidden>
- Date: Mon, 31 Jan 2011 01:45:21 +0100
Hi,
Am 29.01.2011 21:28, schrieb Marc Levine:
Hi Roger, I believe the problem is that it's not Photoshop's duty to
send color from the PCS to the display. It's the OS that does that.
Atleast on Windows, where there is no desktop-wide colormanagement being
applied by the OS itself, it must be completely up to the individual
applications to send color corrected RGB values to the display (they can
of course invoke functionality provided by the OS to do so - which
Photoshop does not afaik when it uses ACE - but even in that case, the
OS is only indirectly involved). So, Photoshop queries Windows for the
display profile, and if using ACE, I think that's it for the involvement
of the OS. The color transform is handled by Photoshop.
You can dictate which colors Photoshop sends to the PCS by switching
either the workspace or the assigned profile. You can even ask
Photoshop to "dial back" the colors by reducing the "monitor
saturation".
Getting the correct output in Photoshop on a system which does not allow
changing the display profile could be done by:
1) Opening an image with embedded profile
2) Convert that image manually to the (correct) display profile
3) Assign the (uncorrect) display profile set on OS level (e.g. if the
display profile on OS level is set to sRGB, assign sRBG), so that
Photoshop should do a null transform
However, once those color values get to the PCS,
Photoshop says good-bye.
See above.
Kind regards
--
Florian Höch
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