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17\startmodule[fontssteps]
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24
25
26\def\checkedotftrackerfeature #1{otftracker\ifnum\featureattribute{otftracker#1}=\zerocount default\else#1\fi}
27\def\checkedotftrackerdirection#1{\csname otftrackerdirection\ifcsname otftrackerdirection#1\endcsname#1\else default\fi\endcsname}
28
29
30
31\definefontfeature
32 [otftrackerdefault]
33 [default]
34 [mode=node]
35
36\definefontfeature
37 [otftrackerarabtype]
38 [mode=node,analyze=yes,
39 language=dflt,script=arab,ccmp=yes,
40 init=yes,medi=yes,fina=yes,isol=yes,
41 liga=yes,dlig=yes,rlig=yes,clig=yes,
42 mark=yes,mkmk=yes,kern=yes,curs=yes]
43
44\definefontfeature
45 [otftrackerhusaynidefault]
46 [analyze=yes,mode=node,
47 language=dflt,script=arab,
48 init=yes,medi=yes,fina=yes,
49 spacekern=yes,
50 calt=yes,
51 rlig=yes,
52 ccmp=yes,
53 salt=yes,
54 ss01=yes,
55 ss05=yes,
56 ss09=yes,
57 ss10=yes,
58 ss13=yes,
59 ss15=yes,
60 ss17=yes,
61 ss19=yes,
62 ss24=yes,
63 ss25=yes,
64 ss26=yes,
65 ss27=yes,
66 ss31=yes,
67 ss34=yes,
68 ss35=yes,
69 ss36=yes,
70 ss37=yes,
71 ss38=yes,
72 ss39=yes,
73 ss40=yes,
74 ss41=yes,
75 mark=yes,mkmk=yes,kern=yes,curs=yes]
76
77\definefontfeature
78 [otftrackerhusayni]
79 [otftrackerhusaynidefault]
80
81\definefontfeature
82 [otftrackersimplenaskhi]
83 [analyze=yes,mode=node,
84 language=dflt,script=arab,
85 init=yes,medi=yes,fina=yes,calt=yes,
86 rlig=yes,liga=yes,dlig=yes,
87 mark=yes,mkmk=yes,kern=yes,curs=yes]
88
89\setvalue{otftrackerdirectionarabtype}{r2l}
90\setvalue{otftrackerdirectionhusayni}{r2l}
91\setvalue{otftrackerdirectionsimplenaskhi}{r2l}
92\setvalue{otftrackerdirectiondefault}{}
93\setvalue{otftrackerdirectionsblhbrw}{r2l}
94
95\setvariables
96 [otftracker]
97 [font=Serif,
98 features=\checkedotftrackerfeature{\getvariable{otftracker}{font}},
99 direction=\checkedotftrackerdirection{\getvariable{otftracker}{font}},
100 size=48pt,
101 figure=,
102 title=Feature Check,
103 sample=no sample,
104 set=\setups{otftracker}]
105
106\setuplayout
107 [topspace=1.5cm,
108 backspace=1.5cm,
109 width=middle,
110 height=middle,
111 header=1.5cm,
112 footer=1.5cm]
113
114\setuphead
115 [chapter]
116 [header=high,
117 number=no]
118
119\setupfootertexts
120 [chapter]
121
122\setupalign
123 [flushleft]
124
125\setupcolors
126 [state=start]
127
128\startsetups otftrackersteps
129 \doifsomething {\getvariable{otftracker}{figure}} {
130 \startlinecorrection
131 \externalfigure[\getvariable{otftracker}{figure}][maxwidth=\hsize,frame=on]
132 \stoplinecorrection
133 }
134 \showotfcomposition
135 {\getvariable{otftracker}{font}*\getvariable{otftracker}{features} at \getvariable{otftracker}{size}}
136 {\getvariable{otftracker}{direction}}
137 {\getvariable{otftracker}{sample}}
138\stopsetups
139
140\startsetups otftracker
141 \setupbodyfont[tt,10pt]
142 \starttext
143 \normalexpanded{\startchapter[title={\getvariable{otftracker}{title}}]}
144 \directsetup{otftrackersteps}
145 \directsetup{otftrackerextra}
146 \stopchapter
147 \setvariables[otftracker][comment=]
148 \stoptext
149\stopsetups
150
151
152
153\unexpanded\def\ShowOtfTrackerSample#1
154 {\doiffile{#1}
155 {\blank
156 \startlinecorrection
157 \vbox \bgroup
158 \forgetall
159 \setbox\scratchbox\hbox{\component #1 \relax}
160 \hbox{\copy\scratchbox\quad\lower\dp\scratchbox\hbox{\ruledhbox{\externalfigure[#1volt.pdf][height=\htdp\scratchbox]}}}
161 \hbox{\strut\tttf#1}
162 \egroup
163 \stoplinecorrection
164 \blank}}
165
166\stopmodule
167
168\continueifinputfile{sfontssteps.mkiv}
169
170\usemodule[art01]
171
172\setupbodyfont
173
174 [dejavu]
175
176\starttext
177
178\setvariables
179 [otftracker]
180 [font=Serif,
181 size=48pt,
182 figure=,
183 title=Feature Check,
184 sample={affiliation}]
185
186\stoptext
187 |