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
|
%D \module
%D [ file=s-fnt-20,
%D version=2009.01.10,
%D title=\CONTEXT\ Style File,
%D subtitle=Tracing Feature Application (2),
%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.
%D This module is related to:
\usemodule[fnt-20]
\setvariables
[otftracker]
[set=\setups{araball}]
\startsetups araball
\begingroup
\setupcolors[state=start]%
\enabletrackers[otf.analyzing]% beware, kind of global
\ruledhbox \bgroup
\definedfont[\getvariable{otftracker}{font}*\getvariable{otftracker}{features} at \getvariable{otftracker}{size}]%
\ifnum\getvariable{otftracker}{direction}<0 \textdir TRT\else\ifnum\getvariable{otftracker}{direction}>0 \textdir TLT\fi\fi\relax
\getvariable{otftracker}{sample}%
\egroup
\disabletrackers[otf.analyzing]%
\endgroup
\stopsetups
\unexpanded\def\ShowOtfTrackerSample#1%
{\doiffile{#1}
{\blank
\startlinecorrection
\vbox \bgroup
\forgetall
\setbox\scratchbox\hbox{\component #1 \relax}
\hbox{\copy\scratchbox\quad\lower\dp\scratchbox\hbox{\ruledhbox{\externalfigure[#1-volt.pdf][height=\htdp\scratchbox]}}}
\hbox{\strut\tttf#1}%
\egroup
\stoplinecorrection
\blank}}
\endinput
% \usemodule[fnt-21]
%
% \starttext
%
% \setvariables
% [otftracker]
% [direction=-1,
% sample=لا,
% title=Test,
% font=file:arabtype,
% % font=file:husayni,
% % font=file:scheherazaderegot,
% features=arabic]
%
% \stoptext
|