From: Wolfgang Schuster <schuster.wolfgang@googlemail.com>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: background over two page
Date: Mon, 18 Oct 2010 17:22:50 +0200 [thread overview]
Message-ID: <6D2C32DB-832A-4038-911B-8E705C558AED@gmail.com> (raw)
In-Reply-To: <5EC1C613-30AD-448A-8048-455DE97762D8@gmail.com>
Am 18.10.2010 um 14:18 schrieb Otared Kavian:
> Your solution works as intended when the framed, highlighted text with background spans over two pages (though it doesn't when it spans over three pages or more, but this is not a real issue, since it is a bad idea to have such long highlighted texts…).
I guess this is also possible with textbackground:
\newcounter\CurrentBackground
\def\StartBackground
{\doglobal\increment\CurrentBackground
\setposition{Background:b:\CurrentBackground}%
\startbackground}
\def\StopBackground
{\stopbackground
\setposition{Background:e:\CurrentBackground}}
\def\DrawBackground
{\ifnum\MPp{Background:b:\CurrentBackground}=\MPp{Background:e:\CurrentBackground}
\startMPcode
draw topboundary OverlayBox withcolor red ;
draw bottomboundary OverlayBox withcolor red ;
draw leftboundary OverlayBox withcolor red ;
draw rightboundary OverlayBox withcolor red ;
\stopMPcode
\else\ifnum\realpageno=\MPp{Background:b:\CurrentBackground}
\startMPcode
draw topboundary OverlayBox withcolor red ;
draw leftboundary OverlayBox withcolor red ;
draw rightboundary OverlayBox withcolor red ;
\stopMPcode
\else\ifnum\realpageno=\MPp{Background:e:\CurrentBackground}
\startMPcode
draw bottomboundary OverlayBox withcolor red ;
draw leftboundary OverlayBox withcolor red ;
draw rightboundary OverlayBox withcolor red ;
\stopMPcode
\else
\startMPcode
draw leftboundary OverlayBox withcolor red ;
draw rightboundary OverlayBox withcolor red ;
\stopMPcode
\fi\fi\fi}
\defineoverlay[DrawBackground][\DrawBackground]
\starttext
\setupbackground[background=DrawBackground]
\input knuth
\StartBackground
\dorecurse{12}{\input knuth\par}
\StopBackground
\input knuth
\StartBackground
\input knuth\par
\StopBackground
\input knuth
\stoptext
Wolfgang
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next prev parent reply other threads:[~2010-10-18 15:22 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-14 9:05 Emanuele Sacco
2010-10-14 9:37 ` luigi scarso
2010-10-16 15:30 ` Emanuele Sacco
2010-10-18 7:32 ` Otared Kavian
2010-10-18 7:43 ` luigi scarso
2010-10-18 12:18 ` Otared Kavian
2010-10-18 15:22 ` Wolfgang Schuster [this message]
2010-10-18 20:20 ` Otared Kavian
2011-08-03 15:08 ` Aditya Mahajan
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