On Tue, Dec 17, 2019 at 07:30:49PM +0100, Hans Hagen wrote:
> you need to make a MWE to show what you mean
>
> normally
>
> \hbox to <somewidth>{\hss<come content>\hss}
>
> is good enough for centering
Here is my MWE. Think of a photo album. To make it interesting the pages should
all be different. To this purpose layers are a good means. I'd like to centre
the layers on their page without doing so manually and without changig the
distances
between them. Using luacode one can calculate the distance d between the
leftmost
and the rightmost edge. Half the difference (\textwidth - d) is the amount to
move
the whole layer ensemble.
My question is now: Does in context exist a possibility to move all layers
jointly
without correcting all their x-values subsequently?
I append the pdf-file of my MWE.
Rudolf
---------------------------------------------------------- MWE
---------------------
\setuppapersize[A4,landscape]
\setupexternalfigures[location={default}]
\starttext
\definelayer[LAY]%
\setlayer[LAY][x=0pt,y=-8pt]%
{%
\vbox
{%
\hsize=.35\textwidth
\externalfigure[cow][width=\hsize]%
\vskip\lineheight
\input tufte
}
}
\setlayer[LAY][x=210pt,y=0pt]%
{%
\definedfont[Serif at 82pt]
\rotate[rotation=90,frame=on,offset=2pt]{\hbox{JOURNEY}}
}
\setlayer[LAY][x=360pt,y=50pt]%
{%
\vbox
{%
\hsize=200pt
\input ward
\vskip\lineheight
\externalfigure[hacker][height=.4\textheight]%
}
}
\flushlayer[LAY]
\page
\definelayer[LAY]%
\setlayer[LAY][x=0pt,y=0pt]%
{\externalfigure[mill][height=.4\textheight]}
\setlayer[LAY][x=150pt,y=0pt]%
{\externalfigure[hacker][height=.4\textheight]}
\setlayer[LAY][x=0pt,y=200pt]%
{\externalfigure[cow][width=.5\textwidth]}
\setlayer[LAY][x=\dimexpr.65\textwidth+40pt\relax,y=0pt]%
{%
\vbox
{%
\hsize=.2\textwidth
\startalignment[flushleft]
\input ward
\vskip\lineheight
\input ward
\stopalignment
}
}
\flushlayer[LAY]
\stoptext
------------------------------------------------------------------------------------
mwe-komprimiert.pdf
Description: Adobe PDF document
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