On Fri, 14 Feb 2020 09:10:22 +0100
"Jan U. Hasecke" <juh+ntg-cont...@mailbox.org> wrote:
> Am 13.02.20 um 20:39 schrieb Wolfgang Schuster:
>
> >
> > This is normal behaviour for layers but you can repeat it on every page with
> >
> > \definelayer [bg:...] [state=repeat]
>
> Thanks. There was a dark idea of this in the back of my brain.
>
> >
> > In your case a simple overlay is the simpler solution to get repeated
> > images on every page, i.e.
> >
> > \defineoverlay [bg:hs2020-mond]
> > [{\externalfigure[background.jpg][height=\paperheight]}]
> >
> > or
> >
> > \defineoverlay [bg:hs2020-mond] [\overlayfigure{background.jpg}]
>
> Is this defining and setting in one command?
You can also pass a variable as argument in the second argument,
e.g. in the following example I set the background image with
the start of each new slide.
\setupexternalfigures[location=default]
\defineoverlay
[SlideBackground]
[\doifsomething
{\structureuservariable{background}}
{\externalfigure[\structureuservariable{background}][factor=max]}]
\setuppapersize[S6]
\setupbackgrounds[page][background=SlideBackground]
%\setuppapersize[S6][S6,oversized]
%\setupbackgrounds[paper][background=SlideBackground]
%\setuplayout[location=middle]
\definehead[Slide][chapter]
\starttext
\startSlide[title=Cow][background=cow]
\dorecurse{3}{\dontleavehmode\page}
\stopSlide
\startSlide[title=Hacker][background=hacker]
\dorecurse{3}{\dontleavehmode\page}
\stopSlide
\stoptext
> Can I set the offset in this way, too?
It depends on your requirements, to get equal bleed on all
four sides you can just increase the width/height of the image
with the offset value.
Wolfgang
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