1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
%D \module
%D [ file=pack-rul, % was core-rul,
%D version=2022.02.23,
%D title=\CONTEXT\ Packaging Macros,
%D subtitle=Ruled Math,
%D author=Hans Hagen,
%D date=\currentdate,
%D copyright={PRAGMA ADE \& \CONTEXT\ Development Team}]
%C
%C This module is part of the \CONTEXT\ macro||package and is
%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
%C details.
\writestatus{loading}{ConTeXt Packaging Macros / Ruled Math}
%D This is a by product of the math improvement activity by Mikael Sundqvist and
%D myself. More might end up here and more control might be added.
\unprotect
\newconditional \c_framed_math_framed
\installtextracker
{framed.math}
{\settrue \c_framed_math_framed}
{\setfalse\c_framed_math_framed}
\tolerant\protected\def\mathframed[#1]#:#2%
{\begingroup
\ifconditional\c_framed_math_framed
\defineboxanchor[temp]%
\fi
\setmathatomrule\mathbegincode\mathbincode\allmathstyles\mathbegincode\mathbincode
\normalexpanded
{\setbox\scratchbox\hpack
\ifconditional\c_framed_math_framed
\s!source \namedboxanchor{temp}
\fi
\s!ymove \Umathaxis\Ustyle\mathstyle
\bgroup
\framed
[\c!location=\v!middle,#1]
{\startimath
\Ustyle\mathstyle
#2%
\stopimath}%
\egroup}%
\scratchcounterone\lastleftclass
\scratchcountertwo\lastrightclass
% \writestatus{!!}{[\number\lastleftclass,\number\lastrightclass]}%
\mathatom
\s!class \mathexplicitcode
\ifnum\scratchcounterone<\zerocount\else\s!leftclass \scratchcounterone\fi
\ifnum\scratchcountertwo<\zerocount\else\s!rightclass\scratchcountertwo\fi
\bgroup
\ifconditional\c_framed_math_framed
\setboxanchor[temp][\c!corner={\v!left,\v!bottom},\c!location={\v!right,\v!height}]
\hpack{\smallinfofont \the\scratchcounterone}%
\setboxanchor[temp][\c!corner={\v!right,\v!bottom},\c!location={\v!left,\v!height}]
\hpack{\smallinfofont \the\scratchcountertwo}%
\fi
\box\scratchbox
\egroup
\endgroup}
%D \starttyping
%D \enabletrackers[framed.math]
%D
%D \startTEXpage[offset=10pt,width=40dk]
%D \showmakeup[mathglue]
%D \def\MyTest#1%
%D {$ x #1 x $\quad
%D $ x \mathframed[offset=0pt]{#1} x $\quad
%D $\displaystyle x #1 x $\quad
%D $\displaystyle x \mathframed[offset=0pt]{#1} x $}
%D \MyTest{>}\blank
%D \MyTest{+}\blank
%D \MyTest{!}\blank
%D \MyTest{+\frac{1}{2}+}\blank
%D \MyTest{\frac{1}{2}}\blank
%D \stopTEXpage
%D \stoptyping
\protect
|
