* layer disappears when showframe is set
@ 2021-08-26 12:46 juh via ntg-context
2021-08-26 15:52 ` Wolfgang Schuster via ntg-context
0 siblings, 1 reply; 3+ messages in thread
From: juh via ntg-context @ 2021-08-26 12:46 UTC (permalink / raw)
To: mailing list for ConTeXt users; +Cc: juh
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Hi,
this sample shows that the image in a layer in header disappears if showframe is
set.
\setupexternalfigures[location=default]
\definelayer[Cow]
[x=0, y=0]
\setlayer[Cow]
[x=10em, y=0mm]
{\externalfigure[cow][height=\lineheight]}
\setupbackgrounds[header][background=Cow]
\showframe
\starttext
\input knuth
\stoptext
Mit freundlichen Grüßen
Jan Ulrich Hasecke
--
Autoren-Homepage: ......... http://literatur.hasecke.com
Satiren & Essays: ......... http://www.sudelbuch.de
Privater Blog: ............ http://www.hasecke.eu
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^ permalink raw reply [flat|nested] 3+ messages in thread* Re: layer disappears when showframe is set
2021-08-26 12:46 layer disappears when showframe is set juh via ntg-context
@ 2021-08-26 15:52 ` Wolfgang Schuster via ntg-context
2021-08-27 6:17 ` juh via ntg-context
0 siblings, 1 reply; 3+ messages in thread
From: Wolfgang Schuster via ntg-context @ 2021-08-26 15:52 UTC (permalink / raw)
To: juh, mailing list for ConTeXt users; +Cc: Wolfgang Schuster
juh via ntg-context schrieb am 26.08.2021 um 14:46:
> Hi,
>
> this sample shows that the image in a layer in header disappears if showframe is
> set.
>
> \setupexternalfigures[location=default]
> \definelayer[Cow]
> [x=0, y=0]
>
> \setlayer[Cow]
> [x=10em, y=0mm]
> {\externalfigure[cow][height=\lineheight]}
> \setupbackgrounds[header][background=Cow]
>
> \showframe
>
> \starttext
> \input knuth
> \stoptext
The \showframe command is just a wrapper for \setupbackgrounds to enable
the frames on certain parts of the page.
One of the settings which are passed to \setupbacgrounds when you use
\showframe is "background=" which resets all previous values of the
background-key.
To keep the layer setting you have to move \showframe above your own
\setupbackgrounds command because the reset of the background-key
happens then before you pass your own value.
Wolfgang
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___________________________________________________________________________________
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