From: Hans Hagen <pragma@wxs.nl>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: Strange result with formulaframed
Date: Wed, 22 Jun 2016 13:36:21 +0200 [thread overview]
Message-ID: <d327f96a-f230-43d6-80ab-61df1a690675@wxs.nl> (raw)
In-Reply-To: <36BD2CD4-F07C-4CB8-A9BC-B9914D552AD8@gmail.com>
On 6/22/2016 12:05 PM, Otared Kavian wrote:
> Dear Hans,
>
> I just did some experiments with the new \setupformulaframed, which you added recently after a demand by Aditya.
> However it seems to me that it does not do exactly what one might expect, at least in the example below.
>
> Would it be possible to have a mechanism which gives somehow what Aditya was asking?
well, afaik he was asking for framed formulas but it will probably take
a bit of time to test it with all kind of interferences
> % begin framed-frormula.tex
> \setupformulaframed[framecolor=red,frame=on,offset=1ex]
> \setupformula[option=frame,color=blue]
>
> \starttext
>
> \startplaceformula
> \startformula
> f(x) := \left\{
> \startalign
> \NC = -1\NC\quad \mbox{if }\, x < 0 \NR
> \NC = +1\NC\quad \mbox{if }\, x > 0 \NR
> \stopalign\right.
> \stopformula
> \stopplaceformula
>
> \stoptext
> % end framed-frormula.tex
it's not related to framing ... you can put this in cont-new.mkiv after
the \unprotect command there
\def\math_halign_checked
{\halign
\ifnum\c_strc_formulas_mode=\plustwo
% currently there is no need for width juggling
\else
\ifcase\eqalignmode \or to \checkeddisplaywidth \fi
\fi}
\def\math_both_eqalign_no_normal#1#2%
{\ifmmode
\the\mathdisplayaligntweaks
\vcenter\bgroup
\let\math_finish_eqalign_no\egroup
\else
\let\math_finish_eqalign_no\relax
\fi
#1%
\math_halign_checked\expandafter\bgroup\the\scratchtoks\crcr#2\crcr\egroup
\math_finish_eqalign_no}
\def\math_both_eqalign_no_aligned#1%
{\ifmmode
\the\mathdisplayaligntweaks
\global\mathnumberstatus\plusone
\ifcase\mathraggedstatus
\def\math_finish_eqalign_no{\crcr\egroup}%
\else
% we're in a mathbox
\vcenter\bgroup
\def\math_finish_eqalign_no{\crcr\egroup\egroup}%
\fi
\fi
#1%
\math_halign_checked\expandafter\bgroup\the\scratchtoks\crcr}
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prev parent reply other threads:[~2016-06-22 11:36 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-22 10:05 Otared Kavian
2016-06-22 11:36 ` Hans Hagen [this message]
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