Am 13.01.19 um 16:56 schrieb Wolfgang Schuster:
> Here is a example which shows how you can change the background color
> of a empty page before the chapter title.
>
> \setuppagenumbering
> [alternative=doublesided]
>
> \startsetups [chapter:before]
> \doifoddpageelse
> {}
> {\pushbackground[page]
> \setupbackgrounds[page][background=color,backgroundcolor=black]
> \page[empty,right]
> \popbackground}
> \stopsetups
>
> \setuphead
> [chapter]
> [page=yes,
> before=\directsetup{chapter:before}]
>
> \starttext
>
> \startchapter[title={Knuth}]
> \dorecurse{10}{\samplefile{knuth}}
> \stopchapter
>
> \startchapter[title={Zapf}]
> \dorecurse{10}{\samplefile{zapf}}
> \stopchapter
>
> \startchapter[title={Ward}]
> \dorecurse{10}{\samplefile{ward}}
> \stopchapter
>
> \stoptext
Thanks a lot Wolfgang!
This was just the thing I was looking for. These setups seems to be the
golden bullet in ConTeXt but I often have difficulties to understand the
mechanism.
I'll try to wikify this later this week.
The push-pop-background pair is mentionend in x-setups-overview together
with some other push-pop-pairs or push single commands. Are they
documented somewhere?
juh
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