From: Hans Hagen <pragma@wxs.nl>
Subject: Re: alignment of marginal material
Date: Mon, 23 Feb 2004 10:14:38 +0100 [thread overview]
Message-ID: <6.0.1.1.2.20040223101342.01dc1640@server-1> (raw)
In-Reply-To: <62D6C135-6577-11D8-A7EB-000A956A3A8A@kcl.ac.uk>
At 21:40 22/02/2004, Jonathan Nicholl wrote:
>I am trying to write a macro which places a picture in the margin. I would
>like the centre of the picture to be aligned vertically with the centre of
>the paragraph in which I call the macro. The following works in simple cases:
>
>\def\hazard#1{% The argument is the text of the
>paragraph
> \setbox0=\vbox{#1}% I do this to work out the height
> of the paragraph
> \inleft [low] {%
> \framed%
> [height=\ht0,% This makes the height of the
> frame equal to the height of the paragraph
> top=\vss,%
> bottom=\vss,% These two lines centre the
> picture in the frame
> frame=off]%
> {\externalfigure [sharp turn sign]}%
> }%
> #1}% It goes wrong if
> you replace #1 with \box0
>
>If I type something like
>
>\hazard{
paragraph text
}
>
>this produces what I want. But it breaks down with mathematics.
>
>\hazard{%
> \startformula
>
mathematics
> \stopformula
>}
>
>produces the picture aligned with the bottom of the mathematics.
>
>A solution to this problem escapes me. Can anyone suggest an improved macro?
Here is my 10 minute solution ... if i'm in the mood i can make an option
of it
\newcounter\CurrentFigPar
\def\StartFigPar#1%
{\doglobal\increment\CurrentFigPar
\placefigure
[leftmargin,line,none]{}
{\setbox\scratchbox\hbox{#1}%
\ifnum\MPp{figpar:b:\CurrentFigPar}=\MPp{figpar:e:\CurrentFigPar}\relax
\scratchdimen\MPy{figpar:b:\CurrentFigPar}%
\advance\scratchdimen-\MPy{figpar:e:\CurrentFigPar}%
\advance\scratchdimen-\ht\scratchbox
\advance\scratchdimen\lineheight
\else
\scratchdimen\zeropoint
\fi
\vbox{\vskip.5\scratchdimen\box\scratchbox}}%
\indent\hpos{figpar:b:\CurrentFigPar}{\strut}\ignorespaces}
\def\StopFigPar
{\removeunwantedspaces\hpos{figpar:e:\CurrentFigPar}{\strut}\endgraf}
\starttext
\input tufte
\StartFigPar{\externalfigure[cow.pdf][width=1cm]} \input tufte \StopFigPar
\input tufte
\stoptext
prev parent reply other threads:[~2004-02-23 9:14 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-22 20:40 Jonathan Nicholl
2004-02-23 9:14 ` Hans Hagen [this message]
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