What goes inside %¾ginSetColorSpace and %EndSetColorSpace comments?
What goes inside %¾ginSetColorSpace and %EndSetColorSpace comments?
- Subject: What goes inside %¾ginSetColorSpace and %EndSetColorSpace comments?
- From: Giordano Galli <email@hidden>
- Date: Fri, 5 May 2006 22:59:54 +0200
Hello
Except for the usual "forget about it" advice, I didn't get any answer
on this issue from the comp.lang.postscript newsgroup nor from the
email@hidden address found on the main page at
www.color.org. I guess you're my last hope.
I would like to know whether the examples given on pages 67 and 68 of
the ICC.1:2004-04 specification have to be taken as the only way to
attribute embedded ICC profiles to PostScript colours.
I'm asking because, under certain circumstances, Photoshop's behaviour
seems to me to be at variance with this limitation.
More precisely I would like to be confirmed that the following is true:
- an ICC profile only refers to colours specified in the colour space
instantiated in the %¾ginSetColorSpace and %%EndSetColorSpace
section labeled by the same <profileid>
- inside %¾ginSetColorSpace/%%EndSetColorSpace sections, only
CIE-Based colour spaces are allowed as operands of setcolorspace
- device colour spaces have nothing to do with embedded ICC profiles;
in particular, it is illegal to implicitly refer to, for example,
DeviceCMYK from an unmatched %¾ginICCProfile %%EndICCProfile
section bracketing a cmyk profile.
Thank you very much in advance.
Giordano
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