From: Wolfgang Schuster <schuster.wolfgang@gmail.com>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: Partial \framed
Date: Mon, 06 Jun 2016 12:32:30 +0200 [thread overview]
Message-ID: <5755513E.7030604@gmail.com> (raw)
In-Reply-To: <57553049.7020300@fehige.de>
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> Thomas Fehige <mailto:thomas@fehige.de>
> 6. Juni 2016 um 10:11
> I'm trying to put a piece of text in a partial frame that's meant to
> look like square brackets aligned with the left and right edges of the
> textblock.
>
> I tried to use two \framed constructions inside each other, the outer
> one with width=textwidth and negative toffset and boffset, the inner
> one with a smaller width, a fat rulethickness and the color of the
> background, expecting it to erase the outer frame where it's not needed:
>
> \color[zier]{%
>
> \framed[%
>
> align=middle,
>
> width=\textwidth,
>
> toffset=-4mm,
>
> boffset=-4mm,
>
> strut=no,
>
> ]{%
>
> \color[paper]{\framed[%
>
> align=middle,
>
> width=222mm, % i.e. \textwidth-4mm
>
> toffset=6mm,
>
> boffset=5mm,
>
> rulethickness=5mm
>
> ]{%
>
> \color[zier]{\tfd \strut Here's the text that is menat to look
> important; its length/number of lines is undetermined.\strut}
>
> }}%
>
> }%
>
> }%
>
> ... but it doesn't work. Apparently the inner frame is drawn before
> the outer one. Putting the wider frame inside the narrower results in
> alignment problems -- due to the overfull hbox, I presume.
Your example is of not much use because it can’t be converted to a PDF
(missing \starttext and empty lines).
> Is there a simple solution in ConTeXt that I haven't found yet, or
> will I have to try some plain TeX box magic myself?
You can use MetaPost to draw the frame/lines for the left and right borders.
\startuseMPgraphic{leftbracket}
z[0] = (EmWidth,OverlayHeight) ;
z[1] = (0,OverlayHeight) ;
z[2] = (0,0) ;
z[3] = (EmWidth,0) ;
draw z[0]--z[1]--z[2]--z[3] withcolor \MPcolor{\overlaylinecolor} ;
\stopuseMPgraphic
\startuseMPgraphic{rightbracket}
z[0] = (-EmWidth,OverlayHeight) ;
z[1] = (0,OverlayHeight) ;
z[2] = (0,0) ;
z[3] = (-EmWidth,0) ;
draw z[0]--z[1]--z[2]--z[3] withcolor \MPcolor{\overlaylinecolor} ;
\stopuseMPgraphic
\installleftframerenderer {bracket}{\useMPgraphic {leftbracket}}
\installrightframerenderer{bracket}{\useMPgraphic{rightbracket}}
\defineframed
[bracketframed]
[frame=off,
offset=1ex,
leftframe=bracket,
rightframe=bracket,
framecolor=red,
foregroundstyle=\ssx,
foregroundcolor=darkgray,
align=normal,
width=max]
\starttext
\bracketframed{\input knuth }
\stoptext
Wolfgang
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next prev parent reply other threads:[~2016-06-06 10:32 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-29 10:35 issue in the wiki Pablo Rodriguez
2016-05-29 15:31 ` Mohammad Hossein Bateni
2016-05-29 16:36 ` Letterspacing Thomas Fehige
2016-05-29 16:49 ` Letterspacing Hans Hagen
2016-05-31 8:31 ` issue in the wiki Pablo Rodriguez
2016-06-06 8:11 ` Partial \framed Thomas Fehige
2016-06-06 10:32 ` Wolfgang Schuster [this message]
2016-06-06 12:14 ` Thomas Fehige
2016-06-06 14:04 ` basic fontsizes question Thomas Fehige
2016-06-06 14:05 ` Thomas Fehige
2016-06-06 14:20 ` Thomas Fehige
2016-06-06 20:48 ` Wolfgang Schuster
2016-06-08 8:35 ` Thomas Fehige
2016-06-08 9:11 ` Wolfgang Schuster
2016-06-08 12:40 ` Thomas Fehige
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