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1%D \module
2%D   [       file=font-tra,
3%D        version=2009.01.02, % or so
4%D          title=\CONTEXT\ Font Macros,
5%D       subtitle=Tracing,
6%D         author=Hans Hagen,
7%D           date=\currentdate,
8%D      copyright={PRAGMA ADE \& \CONTEXT\ Development Team}]
9%C
10%C This module is part of the \CONTEXT\ macro||package and is
11%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
12%C details.
13
14\unprotect
15
16\writestatus{loading}{ConTeXt Font Macros / Tracing}
17
18%D just use fontid
19
20%D \macros
21%D   {showbodyfont}
22%D
23%D One can call for a rather simple overview of a bodyfont and the relations between
24%D its alternative fonts.
25%D
26%D \showsetup{showbodyfont}
27%D
28%D The current bodyfont (here we omitted the argument) looks like:
29%D
30%D \showbodyfont
31%D
32%D The implementation is rather straightforward in using \type {\halign}.
33
34\fetchmodulecommand \showbodyfont \f!font_run
35
36%D \macros
37%D   {showfontstrip, showminimalbaseline}
38%D
39%D The next command can come in handy when combining different fonts into a
40%D collection (typeface) and determining optimal baseline distances.
41%D
42%D \showfontstrip \blank \showminimalbaseline
43
44\fetchmodulecommand \showfontstrip       \f!font_run
45\fetchmodulecommand \showminimalbaseline \f!font_run
46
47%D \macros
48%D   {showkerning}
49%D
50%D A goody is:
51%D
52%D \showkerning{Can you guess what kerning is?}
53
54\fetchmodulecommand \showkerning \f!font_run
55
56%D \macros
57%D   {showbodyfontenvironment,showfont,showfontstyle,showligatures}
58%D
59%D The current bodyfontenvironment is:
60%D
61%D \showbodyfontenvironment
62%D
63%D This overview is generated using:
64%D
65%D \showsetup{showbodyfontenvironment}
66
67\fetchmodulecommand \showbodyfontenvironment \f!font_run
68
69%D The following command generates a fontmap:
70%D
71%D \startbuffer
72%D \showfont[SansBold at 12pt]
73%D \stopbuffer
74%D
75%D \typebuffer
76%D \getbuffer
77
78\fetchmodulecommand \showfont           \f!font_run
79\fetchmodulecommand \showfontstyle      \f!font_run
80\fetchmodulecommand \showligature       \f!font_run
81\fetchmodulecommand \showligatures      \f!font_run
82\fetchmodulecommand \showcharratio      \f!font_run
83\fetchmodulecommand \showfontparameters \f!font_run
84
85\permanent\protected\def\showchardata#1{\ctxcommand{showchardata("#1")}}   % todo: direct implementor
86\permanent\protected\def\showfontdata  {\ctxcommand{showfontparameters()}} % todo: direct implementor
87
88%D \macros
89%D   {doiffontpresentelse}
90%D
91%D \starttyping
92%D \doiffontpresentelse{texnansi-lmr10}{YES}{NO}
93%D \doiffontpresentelse{adam-lindsay-modern-serif}{YES}{NO}
94%D \stoptyping
95
96\permanent\protected\def\doifelsefontpresent#1{\clf_doifelsefontpresent{#1}}
97
98\aliased\let\doiffontpresentelse\doifelsefontpresent
99
100%D The otf tracer code is now moved. If the individual commands are needed
101%D one can just load the module.
102
103\fetchmodulecommand \showotfcomposition      \f!font_run
104\fetchmodulecommand \showotfcompositionlist  \f!font_run
105\fetchmodulecommand \startotfsample          \f!font_run
106\fetchmodulecommand \startotfcompositionlist \f!font_run
107
108% \permanent\protected\def\savefontdata[#1]% not yet in i-*.xml
109%   {\begingroup
110%    \getdummyparameters[#1]%
111%    \clf_savefont {
112%       filename {\dummyparameter\c!file}
113%       fontname {\dummyparameter\c!name}
114%       method   {\dummyparameter\c!method}
115%    }%
116%    \endgroup}
117
118\protect \endinput
119