From: Hartmut Henkel <hartmut_henkel@gmx.de>
Subject: Re: color in pdfTeX
Date: Thu, 4 Mar 2004 23:56:10 +0100 (CET) [thread overview]
Message-ID: <Pine.LNX.4.58.0403042349260.1679@hahepc1.hahe> (raw)
In-Reply-To: <4047ACA2.7080005@poczta.onet.pl>
On Thu, 4 Mar 2004, pawcoo wrote:
> > Lines with width <= 1 bp are stroked by pdftex, lines wider than that
> > are filled (procedure pdf_set_rule). Stroking CMYK color is set by K,
> > nonstroking by k, so you need both:
Note, forgot this: This only affects the \hrule and \vrule primitives.
When you do lines by literals, you are on your own...
> > \pdfliteral{0 1 0 0 k}
> > \pdfliteral{0 1 0 0 K}
>
> Thanks! That works. I'll dare to ask one more question. How to use
> colors in (some kind of) groups, meaning localy? In example, how to
> set some nice color for given object only (word, letter or rule)? Or
> should I always say something like
>
> \pdfliteral{0 1 0 0 k}
> colorized text
> \pdfliteral{0 0 0 1 k} % come back to black
Seems to be currently the only way. The \pdfliteral{} primitives are
done between two x/y transformations, so you can't use q/Q grouping.
And the \pdfliteral direct{} variant doesn't help either, as it comes
before BT, but also _before_ ET, so grouping would be broken also.
Probably something to consider for a change...
Regards, Hartmut
next prev parent reply other threads:[~2004-03-04 22:56 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-03 0:45 color in hairlines pawcoo
2004-03-03 21:36 ` Hartmut Henkel
2004-03-04 22:24 ` color in pdfTeX pawcoo
2004-03-04 22:56 ` Hartmut Henkel [this message]
2004-03-05 7:21 ` pawcoo
2004-03-05 15:33 ` Henning Hraban Ramm
2004-03-05 16:16 ` pawcoo
2004-03-11 2:16 ` Guy Worthington
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