From: Hans Hagen <j.hagen@xs4all.nl>
To: "Jairo A. del Rio" <jairoadelrio6@gmail.com>
Cc: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: Iterate over color scheme in ConTeXt/Lua
Date: Mon, 13 Jul 2020 09:43:32 +0200 [thread overview]
Message-ID: <0759c438-835b-e9ee-c413-6462da2779ee@xs4all.nl> (raw)
In-Reply-To: <CAKyqqabC-CdQ1n_R0zOZfUjusvweX7A11GObs5ijVgv6N_t7Qg@mail.gmail.com>
On 7/12/2020 11:54 PM, Jairo A. del Rio wrote:
> El dom., 12 de jul. de 2020 a la(s) 16:20, Hans Hagen (j.hagen@xs4all.nl
> <mailto:j.hagen@xs4all.nl>) escribió:
>
> You get a list of defined color names in 'xwi' with:
>
> attributes.colors.setlist("xwi")
>
> Nice, it works! I note the first method only works when \usecolors[xwi]
> is present; otherwise, it prints an interesting "themaintextcolor".
>
> Here is a nostalgic mkii accessor for such a list (color support is a
> real old feature and conceptually hasn't changed that much):
>
> \def\WhateverActionIWant#1{#1\par}
>
> \settrue\collectcolorsinlist \setupcolor[xwi]
>
> \processcommacommand[\colorlist]\WhateverActionIWant
>
> but you probably don't want to catch up on that.
>
>
> It doesn't work in Mark IV (\colorlist is undefined). Maybe I'm too
> young, but Mark II was already frozen when I was a teenager, so I'm not
> sure I want to try it now. Thanks, Hans!
It's low level mkii, never meant for usage outside core code (in this
case in mkii it is used for typesetting color overviews); mkiv still has
the same high level commands but different low level ... nothing to
worry about. The only high level commands that were dropped in mkiv were
those dealing with obsolete technologies, encodings and such)
Hans
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prev parent reply other threads:[~2020-07-13 7:43 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-12 19:58 Jairo A. del Rio
2020-07-12 21:20 ` Hans Hagen
2020-07-12 21:54 ` Jairo A. del Rio
2020-07-13 7:43 ` Hans Hagen [this message]
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