* Strange result with formulaframed
@ 2016-06-22 10:05 Otared Kavian
2016-06-22 11:36 ` Hans Hagen
0 siblings, 1 reply; 2+ messages in thread
From: Otared Kavian @ 2016-06-22 10:05 UTC (permalink / raw)
To: mailing list for ConTeXt users
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?
% 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
Best regards: OK
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* Re: Strange result with formulaframed
2016-06-22 10:05 Strange result with formulaframed Otared Kavian
@ 2016-06-22 11:36 ` Hans Hagen
0 siblings, 0 replies; 2+ messages in thread
From: Hans Hagen @ 2016-06-22 11:36 UTC (permalink / raw)
To: mailing list for ConTeXt users
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}
-----------------------------------------------------------------
Hans Hagen | PRAGMA ADE
Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
tel: 038 477 53 69 | www.pragma-ade.com | www.pragma-pod.nl
-----------------------------------------------------------------
___________________________________________________________________________________
If your question is of interest to others as well, please add an entry to the Wiki!
maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
webpage : http://www.pragma-ade.nl / http://tex.aanhet.net
archive : http://foundry.supelec.fr/projects/contextrev/
wiki : http://contextgarden.net
___________________________________________________________________________________
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