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\ltj@@adjust@baseline@inner: more robust
[luatex-ja/luatexja.git] / src / patches / lltjfont.sty
1 %
2 % lltjfont.sty: derived from plfonts.dtx in pLaTeX.
3 %
4
5 \NeedsTeXFormat{LaTeX2e}
6 \ProvidesPackage{lltjfont}[2015/08/28 Patch to NFSS2 for LuaTeX-ja]
7
8 \let\k@encoding\@empty
9 \let\ck@encoding\@empty
10 % LuaTeX-ja uses JY3 and JT3 encodings.
11 \def\cy@encoding{JY3}\def\ct@encoding{JT3}
12
13 \let\k@family\@empty
14 \let\k@series\@empty
15 \let\k@shape\@empty
16 \def\curr@kfontshape{\k@encoding/\k@family/\k@series/\k@shape}
17 \def\rel@fontshape{\f@encoding/\f@family/\f@series/\f@shape}
18 \ifdefined\Cht\else\newdimen\Cht\fi
19 \ifdefined\cht\else\newdimen\cht\fi
20 \ifdefined\Cdp\else\newdimen\Cdp\fi
21 \ifdefined\cdp\else\newdimen\cdp\fi
22 \ifdefined\Cwd\else\newdimen\Cwd\fi
23 \ifdefined\cwd\else\newdimen\cwd\fi
24 \ifdefined\Cvs\else\newdimen\Cvs\fi
25 \ifdefined\cvs\else\newdimen\cvs\fi
26 \ifdefined\Chs\else\newdimen\Chs\fi
27 \ifdefined\chs\else\newdimen\chs\fi
28 \ifdefined\cHT\else\newdimen\cHT\fi
29 %\let\afont\font
30
31 \newbox\dstrutbox
32 \newbox\tstrutbox
33 \newbox\zstrutbox
34 \def\strut{\relax
35   \ifnum\ltjgetparameter{direction}=1 % dtou
36     \ifmmode\copy\dstrutbox\else\unhcopy\dstrutbox\fi
37   \else\ifnum\ltjgetparameter{direction}=4 % yoko
38     \ifmmode\copy\strutbox\else\unhcopy\strutbox\fi
39   \else % tate and utod
40     \ifmmode\copy\tstrutbox\else\unhcopy\tstrutbox\fi
41   \fi\fi
42 }
43 \def\tstrut{\relax\hbox{\tate
44    \ifmmode\copy\tstrutbox\else\unhcopy\tstrutbox\fi}}
45 \def\zstrut{\relax\hbox{\tate
46    \ifmmode\copy\zstrutbox\else\unhcopy\zstrutbox\fi}}
47
48 {%
49   \def\cdp@elt#1#2#3#4{%
50     \directlua{luatexja.jfont.add_fenc_list('\luatexluaescapestring{#1}')}}%
51   \cdp@list%
52 }
53
54 \def\DeclareFontEncoding{%
55   \begingroup
56   \nfss@catcodes
57   \expandafter\endgroup
58   \DeclareFontEncoding@}
59 \def\DeclareFontEncoding@#1#2#3{%
60   \expandafter
61   \ifx\csname T@#1\endcsname\relax
62      \def\cdp@elt{\noexpand\cdp@elt}%
63      \xdef\cdp@list{\cdp@list\cdp@elt{#1}%
64                     {\default@family}{\default@series}%
65                     {\default@shape}}%
66      \expandafter\let\csname#1-cmd\endcsname\@changed@cmd
67      \directlua{luatexja.jfont.add_fenc_list('\luatexluaescapestring{#1}')}%
68   \else
69      \@font@info{Redeclaring font encoding #1}%
70   \fi
71   \global\@namedef{T@#1}{#2}%
72   \global\@namedef{M@#1}{\default@M#3}%
73   \xdef\LastDeclaredEncoding{#1}%
74   }
75 \def\DeclareKanjiEncoding#1{%
76   \@latex@warning{%
77      The \string\DeclareKanjiEncoding\space is obsoleted command.  Please use
78      \MessageBreak
79      the \string\DeclareTateKanjiEncoding\space for `Tate-kumi' encoding, and
80      \MessageBreak
81      the \string\DeclareYokoKanjiEncoding\space for `Yoko-kumi' encoding.
82      \MessageBreak
83      I treat the `#1' encoding as `Yoko-kumi'.}
84   \DeclareYokoKanjiEncoding{#1}%
85 }
86 \def\DeclareYokoKanjiEncoding{%
87   \begingroup
88   \nfss@catcodes
89   \expandafter\endgroup
90   \DeclareYokoKanjiEncoding@}
91 \def\DeclareYokoKanjiEncoding@#1#2#3{%
92   \expandafter\ifx\csname T@#1\endcsname\relax
93     \def\cdp@elt{\noexpand\cdp@elt}%
94     \xdef\cdp@list{\cdp@list\cdp@elt{#1}%
95                     {\default@k@family}{\default@k@series}%
96                     {\default@k@shape}}%
97     \expandafter\let\csname#1-cmd\endcsname\@changed@kcmd
98     \directlua{luatexja.jfont.add_kyenc_list('\luatexluaescapestring{#1}')}%
99   \else
100     \@font@info{Redeclaring KANJI (yoko) font encoding #1}%
101   \fi
102   \global\@namedef{T@#1}{#2}%
103   \global\@namedef{M@#1}{\default@KM#3}%
104   }
105 \def\DeclareTateKanjiEncoding{%
106   \begingroup
107   \nfss@catcodes
108   \expandafter\endgroup
109   \DeclareTateKanjiEncoding@}
110 \def\DeclareTateKanjiEncoding@#1#2#3{%
111   \expandafter\ifx\csname T@#1\endcsname\relax
112     \def\cdp@elt{\noexpand\cdp@elt}%
113     \xdef\cdp@list{\cdp@list\cdp@elt{#1}%
114                     {\default@k@family}{\default@k@series}%
115                     {\default@k@shape}}%
116     \expandafter\let\csname#1-cmd\endcsname\@changed@kcmd
117     \directlua{luatexja.jfont.add_ktenc_list('\luatexluaescapestring{#1}')}%
118   \else
119     \@font@info{Redeclaring KANJI (tate) font encoding #1}%
120   \fi
121   \global\@namedef{T@#1}{#2}%
122   \global\@namedef{M@#1}{\default@KM#3}%
123   }
124 \@onlypreamble\DeclareKanjiEncoding
125 \@onlypreamble\DeclareYokoKanjiEncoding
126 \@onlypreamble\DeclareYokoKanjiEncoding@
127 \@onlypreamble\DeclareTateKanjiEncoding
128 \@onlypreamble\DeclareTateKanjiEncoding@
129 \def\DeclareKanjiEncodingDefaults#1#2{%
130   \ifx\relax#1\else
131     \ifx\default@KT\@empty\else
132       \@font@info{Overwriting KANJI encoding scheme text defaults}%
133     \fi
134     \gdef\default@KT{#1}%
135   \fi
136   \ifx\relax#2\else
137     \ifx\default@KM\@empty\else
138       \@font@info{Overwriting KANJI encoding scheme math defaults}%
139     \fi
140     \gdef\default@KM{#2}%
141   \fi}
142 \let\default@KT\@empty
143 \let\default@KM\@empty
144 \@onlypreamble\DeclareKanjiEncodingDefaults
145 \def\DeclareFontFamily#1#2#3{%
146  \@ifundefined{T@#1}%
147     {\@latex@error{Encoding scheme `#1' unknown}\@eha}%
148     {\def\reserved@a{#3}%
149      \global
150      \expandafter\let\csname #1+#2\expandafter\endcsname
151             \ifx \reserved@a\@empty
152               \@empty
153             \else \reserved@a
154             \fi
155      \directlua{luatexja.jfont.add_ffam('\luatexluaescapestring{#2}')}%
156     }%
157 }
158 \def\DeclareKanjiFamily#1#2#3{%
159  \@ifundefined{T@#1}%
160     {\@latex@error{KANJI Encoding scheme `#1' unknown}\@eha}%
161     {\def\reserved@a{#3}%
162      \global
163      \expandafter\let\csname #1+#2\expandafter\endcsname
164             \ifx \reserved@a\@empty
165               \@empty
166             \else \reserved@a
167             \fi
168      \directlua{luatexja.jfont.add_kfam('\luatexluaescapestring{#2}')}%
169      }%
170 }
171 \def\DeclareKanjiSubstitution#1#2#3#4{%
172   \expandafter\ifx\csname T@#1\endcsname\relax
173     \@latex@error{KANJI Encoding scheme `#1' unknown}\@eha
174   \else
175     \begingroup
176        \def\reserved@a{#1}%
177        \toks@{}%
178        \def\cdp@elt##1##2##3##4{%
179          \def\reserved@b{##1}%
180          \ifx\reserved@a\reserved@b
181            \addto@hook\toks@{\cdp@elt{#1}{#2}{#3}{#4}}%
182          \else
183            \addto@hook\toks@{\cdp@elt{##1}{##2}{##3}{##4}}%
184          \fi}%
185        \cdp@list
186        \xdef\cdp@list{\the\toks@}%
187     \endgroup
188     \global\@namedef{D@#1}{\def\default@family{#2}%
189                            \def\default@series{#3}%
190                            \def\default@shape{#4}}%
191   \fi}
192 \def\DeclareErrorKanjiFont#1#2#3#4#5{%
193    \xdef\error@kfontshape{%
194       \noexpand\expandafter\noexpand\split@name\noexpand\string
195       \expandafter\noexpand\csname#1/#2/#3/#4/#5\endcsname
196       \noexpand\@nil}%
197    \gdef\default@k@family{#2}%
198    \gdef\default@k@series{#3}%
199    \gdef\default@k@shape{#4}%
200    \global\let\k@family\default@k@family
201    \global\let\k@series\default@k@series
202    \global\let\k@shape\default@k@shape
203    \gdef\f@size{#5}%
204    \gdef\f@baselineskip{#5pt}}
205 \@onlypreamble\DeclareKanjiSubstitution
206 \@onlypreamble\DeclareErrorKanjiFont
207 \def\DeclareFixedFont#1#2#3#4#5#6{%
208    \begingroup
209       \math@fontsfalse
210       \every@math@size{}%
211       \fontsize{#6}\z@
212       \directlua{luatexja.jfont.is_kyenc('\luatexluaescapestring{#2}')}\ifin@%
213         \usekanji{#2}{#3}{#4}{#5}%
214         \global\let#1\getjfont
215       \else
216         \directlua{luatexja.jfont.is_ktenc('\luatexluaescapestring{#2}')}\ifin@%
217           \usekanji{#2}{#3}{#4}{#5}%
218           \global\let#1\gettfont
219         \else
220           \useroman{#2}{#3}{#4}{#5}%
221           \global\expandafter\let\expandafter#1\the\font
222         \fi
223       \fi
224    \endgroup
225   }
226 \def\DLMfontsw@standard#1#2#3{#1{#2{#3}}}
227 \def\reDeclareMathAlphabet#1#2#3{%
228   \ifdefined#2
229     \@temptokena\expandafter{#2}%
230   \else
231     \@temptokena{#2}%
232   \fi
233   \ifdefined#3
234     \toks0\expandafter{#3}%
235   \else
236     \toks0{#3}%
237   \fi
238   \long\protected\edef#1{%
239     \noexpand\DLMfontsw@standard{\the\@temptokena}{\the\toks0}}%
240 }
241 \@onlypreamble\reDeclareMathAlphabet
242 \def\all@shape{all}%
243 \def\DeclareRelationFont#1#2#3#4#5#6#7#8{%
244   \def\rel@shape{#4}%
245   \ifx\rel@shape\@empty
246      \global
247      \expandafter\def\csname rel@#1/#2/#3/all\endcsname{%
248        \romanencoding{#5}\romanfamily{#6}%
249        \romanseries{#7}}%
250   \else
251      \global
252      \expandafter\def\csname rel@#1/#2/#3/#4\endcsname{%
253        \romanencoding{#5}\romanfamily{#6}%
254        \romanseries{#7}\romanshape{#8}}%
255   \fi
256 }
257 \def\SetRelationFont#1#2#3#4#5#6#7#8{%
258   \def\rel@shape{#4}%
259   \ifx\rel@shape\@empty
260      \expandafter\def\csname rel@#1/#2/#3/all\endcsname{%
261        \romanencoding{#5}\romanfamily{#6}%
262        \romanseries{#7}}%
263   \else
264      \expandafter\def\csname rel@#1/#2/#3/#4\endcsname{%
265        \romanencoding{#5}\romanfamily{#6}%
266        \romanseries{#7}\romanshape{#8}}%
267   \fi
268 }
269 \newif\if@knjcmd
270 \def\userelfont{\@knjcmdtrue}
271
272
273 \RequirePackage{everysel}
274 \let\ltj@@EverySelectfont@Init=\@EverySelectfont@Init
275 \expandafter\expandafter\expandafter\let
276 \expandafter\expandafter\csname ltj@@orig@selectfont\endcsname\csname selectfont\space\endcsname
277 \@EverySelectfont@Init
278 \def\@EverySelectfont@Init{%
279   \expandafter\let\csname selectfont\space \endcsname \ltj@@orig@selectfont
280   \ltj@@EverySelectfont@Init
281 }
282 \def\ltj@selectfont@patch{%
283  \directlua{luatexja.base.start_time_measure('selectfont')}%
284  \let\tmp@error@fontshape\error@fontshape
285   \let\error@fontshape\error@kfontshape
286   \directlua{luatexja.jfont.is_kyenc('\luatexluaescapestring{\k@encoding}')}\ifin@%
287     \let\cy@encoding\k@encoding
288     \edef\ct@encoding{\csname t@enc@\k@encoding\endcsname}%
289   \else
290     \directlua{luatexja.jfont.is_ktenc('\luatexluaescapestring{\k@encoding}')}\ifin@%
291      \let\ct@encoding\k@encoding
292      \edef\cy@encoding{\csname y@enc@\k@encoding\endcsname}%
293     \else
294       \@latex@error{KANJI Encoding scheme `\k@encoding' unknown}\@eha
295     \fi
296   \fi
297 %
298   \let\k@encoding\ct@encoding
299   \xdef\font@name{\csname\curr@kfontshape/\f@size\endcsname}%
300   \pickup@tfont
301   \font@name
302   \ltj@@does@alt@set{\curr@kfontshape}%
303     % alt fonts の定義
304     \directlua{luatexja.jfont.output_alt_font_cmd('t', '\luatexluaescapestring{\curr@kfontshape}')}%
305     % 定義した alt fonts のデータを \ltjdeclarealtfont に渡すのと同等の処理をする
306     \directlua{luatexja.jfont.pickup_alt_font_a('\f@size')}%
307   \fi
308 %
309   \let\k@encoding\cy@encoding
310   \xdef\font@name{\csname\curr@kfontshape/\f@size\endcsname}%
311   \pickup@jfont
312   \font@name
313   \ltj@@does@alt@set{\curr@kfontshape}%
314     % alt fonts の定義
315     \directlua{luatexja.jfont.output_alt_font_cmd('y', '\luatexluaescapestring{\curr@kfontshape}')}%
316     % 定義した alt fonts のデータを \ltjdeclarealtfont に渡すのと同等の処理をする
317     \directlua{luatexja.jfont.pickup_alt_font_a('\f@size')}%
318   \fi
319 %
320   \edef\tmp@item{{\k@encoding}}\expandafter\def\expandafter\k@encoding\tmp@item
321   \kenc@update
322   \let\error@fontshape\tmp@error@fontshape
323 %
324   \if@knjcmd \@knjcmdfalse
325     \expandafter\ifx
326     \csname rel@\k@encoding/\k@family/\k@series/\k@shape\endcsname\relax
327       \expandafter\ifx
328          \csname rel@\k@encoding/\k@family/\k@series/all\endcsname\relax
329       \else
330          \csname rel@\k@encoding/\k@family/\k@series/all\endcsname\selectfont
331          % 警告: 再び \selectfont を呼んでいる.無限ループの可能性あり
332       \fi
333     \else
334        \csname rel@\k@encoding/\k@family/\k@series/\k@shape\endcsname\selectfont
335        % 警告: 再び \selectfont を呼んでいる.無限ループの可能性あり
336     \fi
337   \fi
338   \directlua{luatexja.base.stop_time_measure('selectfont')}%
339 }
340 \EverySelectfont{\ltj@selectfont@patch}
341
342 \def\KanjiEncodingPair#1#2{\@namedef{t@enc@#1}{#2}\@namedef{y@enc@#2}{#1}}
343 \def\set@fontsize#1#2#3{%
344     \@defaultunits\@tempdimb#2pt\relax\@nnil
345     \edef\f@size{\strip@pt\@tempdimb}%
346     \@defaultunits\@tempskipa#3pt\relax\@nnil
347     \edef\f@baselineskip{\the\@tempskipa}%
348     \edef\f@linespread{#1}%
349     \let\baselinestretch\f@linespread
350     \def\size@update{%
351       \baselineskip\f@baselineskip\relax
352       \baselineskip\f@linespread\baselineskip
353       \normalbaselineskip\baselineskip
354       \adjustbaseline
355       \setbox\strutbox\hbox{\yoko
356           \vrule\@width\z@
357                 \@height.7\baselineskip \@depth.3\baselineskip}%
358       \setbox\dstrutbox\hbox{\dtou
359           \vrule\@width\z@
360                 \@height.7\baselineskip \@depth.3\baselineskip}%
361       \setbox\tstrutbox\hbox{\tate
362           \vrule\@width\z@
363                 \@height.5\baselineskip \@depth.5\baselineskip}%
364       \setbox\zstrutbox\hbox{\tate
365           \vrule\@width\z@
366                 \@height.7\baselineskip \@depth.3\baselineskip}%
367         \let\size@update\relax}}
368
369 \ifdefined\newluafunction
370   \newluafunction\ltj@@adjust@baseline@inner
371   \directlua{%
372     local t = lua.get_functions_table()
373     t[\the\ltj@@adjust@baseline@inner] = function()
374       local ft = luatexja.jfont.font_metric_table[
375         tex.getattribute('ltj@curtfnt')] or {}
376       ft = ft and ft.char_type or {}
377       ft = ft and ft[0] or {}
378       local fm = font.getfont(font.current()).characters[77] or {} %% 'M'
379       tex.setattribute('ltj@tablshift',
380         0.5*((fm.height or 0)- (fm.depth or 0)
381           - (ft.height or 0)+ (ft.depth or 0)))
382     end
383   }
384   \def\ltj@@adjust@baseline{\luafunction\ltj@@adjust@baseline@inner}
385 \else
386   \def\ltj@@adjust@baseline{%
387     \setbox\adjust@box@aux\hbox{\tate\ltj@tkblshift\z@ 漢}%
388     \setbox\adjust@box\hbox{\tate\ltj@tablshift\z@ M}%
389     \adjust@dimen\ht\adjust@box
390     \advance\adjust@dimen\dp\adjust@box
391     \advance\adjust@dimen-\ht\adjust@box@aux
392     \divide\adjust@dimen\tw@
393     \advance\adjust@dimen0.5\dp\adjust@box@aux
394     \advance\adjust@dimen-\dp\adjust@box
395     \ltj@tablshift=\adjust@dimen
396   }
397 \fi
398 \newbox\adjust@box
399 \newbox\adjust@box@aux
400 \newdimen\adjust@dimen
401 \def\adjustbaseline{%
402     \setbox\adjust@box\hbox{%
403       \ltj@ykblshift\z@\ltj@tkblshift\z@ 漢}%
404     \cht\ht\adjust@box
405     \cdp\dp\adjust@box
406     \cwd\wd\adjust@box
407     \cvs\normalbaselineskip
408     \chs\cwd
409     \cHT\cht \advance\cHT\cdp
410     \ltj@@adjust@baseline
411 }
412 \DeclareRobustCommand\romanencoding[1]{%
413     \expandafter\ifx\csname T@#1\endcsname\relax
414       \@latex@error{Encoding scheme `#1' unknown}\@eha
415     \else
416       \edef\f@encoding{#1}%
417       \ifx\cf@encoding\f@encoding
418         \let\enc@update\relax
419       \else
420         \let\enc@update\@@enc@update
421       \fi
422     \fi
423 }
424 \DeclareRobustCommand\kanjiencoding[1]{%
425     \expandafter\ifx\csname T@#1\endcsname\relax
426       \@latex@error{KANJI Encoding scheme `#1' unknown}\@eha
427     \else
428       \edef\k@encoding{#1}%
429       \ifx\ck@encoding\k@encoding
430          \let\kenc@update\relax
431       \else
432          \let\kenc@update\@@kenc@update
433       \fi
434     \fi
435 }
436 \DeclareRobustCommand\fontencoding[1]{%
437   \directlua{luatexja.jfont.is_kyenc('\luatexluaescapestring{#1}')}\ifin@%
438   \kanjiencoding{#1}\else\romanencoding{#1}\fi}
439 \def\@@kenc@update{%
440   \default@KT
441   \csname T@\k@encoding\endcsname
442   \csname D@\k@encoding\endcsname
443   \let\kenc@update\relax
444   \let\ck@encoding\k@encoding
445   \edef\tmp@enc{'\luatexluaescapestring{\k@encoding}'}
446   \directlua{luatexja.jfont.is_kyenc(\tmp@enc)}\ifin@%
447     \let\cy@encoding\k@encoding
448   \else
449     \directlua{luatexja.jfont.is_ktenc(\tmp@enc)}\ifin@%
450       \let\ct@encoding\k@encoding
451     \else
452       \@latex@error{KANJI Encoding scheme `\k@encoding' unknown}\@eha
453     \fi
454   \fi
455 }
456 \let\kenc@update\relax
457 \def\@changed@kcmd#1#2{%
458    \ifx\protect\@typeset@protect
459       \@inmathwarn#1%
460       \expandafter\ifx\csname\ck@encoding\string#1\endcsname\relax
461          \expandafter\ifx\csname ?\string#1\endcsname\relax
462             \expandafter\def\csname ?\string#1\endcsname{%
463                \TextSymbolUnavailable#1%
464             }%
465          \fi
466          \global\expandafter\let
467                \csname\cf@encoding \string#1\expandafter\endcsname
468                \csname ?\string#1\endcsname
469       \fi
470       \csname\ck@encoding\string#1%
471          \expandafter\endcsname
472    \else
473       \noexpand#1%
474    \fi}
475 \newif\if@notkfam
476 \newif\if@notffam
477 \newif\if@tempswz
478 \def\@ltj@use@fd{true}
479 \DeclareRobustCommand\romanfamily[1]{\edef\f@family{#1}}
480 \DeclareRobustCommand\kanjifamily[1]{\edef\k@family{#1}}
481 \DeclareRobustCommand\fontfamily[1]{%
482   \@notkfamfalse\@notffamfalse
483   \edef\tmp@item{'\luatexluaescapestring{#1}'}%
484   %
485   \directlua{luatexja.jfont.search_kfam(\tmp@item, \@ltj@use@fd)}%
486   \ifin@\edef\k@family{#1}\else\@notkfamtrue\fi
487   %
488   % alphabetic fonts part
489   \directlua{luatexja.jfont.is_ffam(\tmp@item)}%
490   \ifin@\edef\f@family{#1}\else
491     % checking is_stored_ffam is not sufficient,
492     % since LuaTeX-ja doesn't know whats fonts are defined before LuaTeX-ja is loaded.
493     \ifcsname \f@encoding+#1\endcsname % easy case
494       \directlua{luatexja.jfont.add_ffam(\tmp@item)}\edef\f@family{#1}%
495     \else
496       \@tempswafalse
497       \def\cdp@elt##1{\ifcsname ##1+#1\endcsname\@tempswatrue\fi}%
498       \directlua{luatexja.jfont.search_ffam_declared()}%
499       \if@tempswz
500         \directlua{luatexja.jfont.add_ffam(\tmp@item)}\edef\f@family{#1}%
501       \else
502         % now we search Nffam_list and font definition files.
503         \directlua{luatexja.jfont.search_ffam_fd(\tmp@item)}%
504         \ifin@\edef\f@family{#1}\else\@notffamtrue\fi
505       \fi
506     \fi
507   \fi
508   %
509   \if@notkfam\if@notffam
510     \edef\k@family{#1}\edef\f@family{#1}%
511   \fi\fi
512 }
513 \DeclareRobustCommand\romanseries[1]{\edef\f@series{#1}}
514 \DeclareRobustCommand\kanjiseries[1]{\edef\k@series{#1}}
515 \DeclareRobustCommand\fontseries[1]{\kanjiseries{#1}\romanseries{#1}}
516 \DeclareRobustCommand\romanshape[1]{\edef\f@shape{#1}}
517 \DeclareRobustCommand\kanjishape[1]{\edef\k@shape{#1}}
518 \DeclareRobustCommand\fontshape[1]{\kanjishape{#1}\romanshape{#1}}
519 \def\usekanji#1#2#3#4{%
520     \kanjiencoding{#1}\kanjifamily{#2}\kanjiseries{#3}\kanjishape{#4}%
521     \selectfont\ignorespaces}
522 \def\useroman#1#2#3#4{%
523     \romanencoding{#1}\romanfamily{#2}\romanseries{#3}\romanshape{#4}%
524     \selectfont\ignorespaces}
525 \protected\def\usefont#1#2#3#4{%
526   \directlua{luatexja.jfont.is_kenc('\luatexluaescapestring{#1}')}\ifin@%
527   \usekanji{#1}{#2}{#3}{#4}%
528   \else\useroman{#1}{#2}{#3}{#4}%
529   \fi}
530 \DeclareRobustCommand\normalfont{%
531     \kanjiencoding{\kanjiencodingdefault}%
532     \kanjifamily{\kanjifamilydefault}%
533     \kanjiseries{\kanjiseriesdefault}%
534     \kanjishape{\kanjishapedefault}%
535     \romanencoding{\encodingdefault}%
536     \romanfamily{\familydefault}%
537     \romanseries{\seriesdefault}%
538     \romanshape{\shapedefault}%
539     \selectfont\ignorespaces}
540 \let\reset@font\normalfont
541 \DeclareRobustCommand\mcfamily
542         {\not@math@alphabet\mcfamily\mathmc
543          \kanjifamily\mcdefault\selectfont}
544 \DeclareRobustCommand\gtfamily
545         {\not@math@alphabet\gtfamily\mathgt
546          \kanjifamily\gtdefault\selectfont}
547 \let\romanprocess@table\process@table
548 \def\kanjiprocess@table{%
549   \kanjiencoding{\kanjiencodingdefault}%
550   \kanjifamily{\kanjifamilydefault}%
551   \kanjiseries{\kanjiseriesdefault}%
552   \kanjishape{\kanjishapedefault}%
553 }
554 \def\process@table{%
555   \romanprocess@table
556   \kanjiprocess@table
557 }
558 \@onlypreamble\romanprocess@table
559 \@onlypreamble\kanjiprocess@table
560 \DeclareTextCommandDefault{\textunderscore}{%
561   \leavevmode\kern.06em
562   \vbox{\hrule\@width.3em}}
563
564 %%%%%% LuaTeX-ja specific
565
566 % #1 の展開結果から encoding 部分をとりだし,それが和文用かどうかの結果を \ifin@ に代入
567 \def\ltj@@IsFontJapanese#1{%
568   \directlua{luatexja.jfont.is_kenc(string.match(
569       '\luatexluaescapestring{#1}', '[^/]+'))}}
570
571
572 \let\extract@afont\extract@font
573 \def\pickup@jfont{%
574     \expandafter \ifx \font@name \relax
575        \let\extract@font\extract@jfont
576        \define@newfont
577        \let\extract@font\extract@afont
578     \fi
579     \let\getjfont\font@name}
580 \def\pickup@tfont{%
581     \expandafter \ifx \font@name \relax
582        \let\extract@font\extract@tfont
583        \define@newfont
584        \let\extract@font\extract@afont
585     \fi
586     \let\gettfont\font@name}
587
588 % 異なる和文 enc/fam/ser/shape からは異なるフォント番号が振られるように
589 % わざと「ゴミをつける」
590 \def\ltj@@patch@external@font#1 at{%
591   #1\directlua{luatexja.jfont.print_aftl_address()}\space at%
592 }
593 \def\extract@jfont{%
594    \get@external@font
595     \ltj@@does@alt@set{\f@encoding/\f@family/\f@series/\f@shape}%
596       \edef\external@font{\expandafter\ltj@@patch@external@font\external@font}%
597     \fi
598     \expandafter\globaljfont\font@name\external@font\relax% ここで時間がかかる
599     \font@name%\global\zw=\zw\global\zh=\zh
600     \csname \f@encoding+\f@family\endcsname
601     \csname\curr@fontshape\endcsname}
602 \def\extract@tfont{%
603    \get@external@font
604     \ltj@@does@alt@set{\f@encoding/\f@family/\f@series/\f@shape}%
605       \edef\external@font{\expandafter\ltj@@patch@external@font\external@font}%
606     \fi
607     \expandafter\globaltfont\font@name\external@font\relax
608     \font@name%\global\zw=\zw\global\zh=\zh
609     \csname \f@encoding+\f@family\endcsname
610     \csname\curr@fontshape\endcsname}
611
612 \let\ltj@@al@do@subst@correction=\do@subst@correction
613 \def\ltj@@ja@do@subst@correction{%
614     \xdef\subst@correction{%
615       \font@name
616       \global\expandafter\let\csname \curr@fontshape/\f@size\endcsname\font@name%
617       \relax}%
618     \aftergroup\subst@correction
619 }
620 \def\do@subst@correction{%
621    \ltj@@IsFontJapanese{\curr@fontshape}\ifin@%
622      \ltj@@ja@do@subst@correction
623    \else
624      \ltj@@al@do@subst@correction
625    \fi
626 }
627 \let\@@italiccorr=\/
628
629 %%%%%% Japanese font for math mode
630
631 % \M@<enc> から その <enc> が和文用か調べる
632 {\catcode`M=12%
633 \gdef\ltj@@mathJapaneseFonts#1M#2#3\relax{\ltj@@IsFontJapanese{#3}}}
634
635 \let\ltj@@al@getanddefine@fonts=\getanddefine@fonts
636 \def\ltj@@ja@getanddefine@fonts#1#2{%
637   \xdef\font@name{\csname \string#2/\tf@size\endcsname}%
638   \pickup@jfont\let\textfont@name\font@name
639   \xdef\font@name{\csname \string#2/\sf@size\endcsname}%
640   \pickup@jfont\let\scriptfont@name\font@name
641   \xdef\font@name{\csname \string#2/\ssf@size\endcsname}%
642   \pickup@jfont
643   \edef\math@fonts{\math@fonts\ltj@setpar@global%
644     \ltj@@set@stackfont#1,\textfont@name:{MJT}%
645     \ltj@@set@stackfont#1,\scriptfont@name:{MJS}%
646     \ltj@@set@stackfont#1,\font@name:{MJSS}%
647   }%
648 }
649
650 \def\getanddefine@fonts#1#2{%
651   \ltj@tempcnta=#1\ltj@@IsFontJapanese{\string#2}%
652   \ifin@\let\ltj@temp=\ltj@@ja@getanddefine@fonts%
653   \else \let\ltj@temp=\ltj@@al@getanddefine@fonts\fi
654   \ltj@temp{#1}{#2}%
655 }
656 \def\use@mathgroup#1#2{\relax\ifmmode
657   \math@bgroup
658     \expandafter\ifx\csname M@\f@encoding\endcsname#1\else
659     #1\fi\ltj@tempcnta=#2 \expandafter\ltj@@mathJapaneseFonts\string#1\relax%
660     \ifin@\jfam#2\relax\else\mathgroup#2\relax\fi
661   \expandafter\math@egroup\fi}%
662
663 %%%%%% Alternate Japanese Fonts
664 %%%% \DeclareAlternateKanjiFont<Benc><Bfam><Bser><Bshape><Aenc><Afam><Aser><Ashape><range>
665 % いつも global
666 \def\DeclareAlternateKanjiFont#1#2#3#4#5#6#7#8#9{%
667   \edef\@temp{#9}%
668   \ifx\@temp\@empty\else
669     {\def\ltj@temp@bfont{#1/#2/#3/#4}\def\ltj@temp@afont{#5/#6/#7/#8}%
670      \expandafter\ltj@@altfont@latex#9,,}\ignorespaces
671   \fi}
672 \def\ltj@@altfont@latex#1,{\def\ltj@temp{#1}%
673   \ifx\ltj@temp\empty\let\@next=\relax\else
674   \ltj@@altfont@latexA{#1}\let\@next=\ltj@@altfont@latex\fi\@next}
675 \def\ltj@@altfont@latexA#1{\ltj@@altfont@latexB#1--\@nil}
676 \def\ltj@@altfont@latexB#1-#2-#3\@nil{\def\ltj@temp{#3}%
677   \ifx\ltj@temp\empty
678     \ltj@tempcnta=#1\relax\ltj@tempcntb=\ltj@tempcnta
679   \else
680     \def\ltj@temp{#1}%
681     \ifx\ltj@temp\empty\ltj@tempcnta='200\else\ltj@tempcnta=#1\fi\relax
682     \def\ltj@temp{#2}%
683     \ifx\ltj@temp\empty\ltj@tempcntb="10FFFF\else\ltj@tempcntb=#2\fi\relax%"
684   \fi
685   \directlua{luatexja.jfont.set_alt_font_latex(
686     \the\ltj@tempcnta,\the\ltj@tempcntb,
687     '\luatexluaescapestring{\ltj@temp@afont}',
688     '\luatexluaescapestring{\ltj@temp@bfont}')}%
689   }
690
691 %%%% \ClearAlternateKanjiFont<Benc><Bfam><Bser><Bshape>
692 % いつも global
693 \def\ClearAlternateKanjiFont#1#2#3#4{%
694    \directlua{luatexja.jfont.clear_alt_font_latex('\luatexluaescapestring{#1/#2/#3/#4}')}}
695
696 \def\ltj@pickup@altfont@auxy#1{%
697   \begingroup\edef\font@name{\csname #1/\f@size\endcsname}\pickup@jfont\endgroup%
698 }
699 \def\ltj@pickup@altfont@auxt#1{%
700   \begingroup\edef\font@name{\csname #1/\f@size\endcsname}\pickup@tfont\endgroup%
701 }
702 \def\ltj@pickup@altfont@copy#1#2{%
703   \ltj@@getjfontnumber#1%
704   \directlua{luatexja.jfont.pickup_alt_font_b(\the\ltj@tempcntc,'\luatexluaescapestring{#2}')}%
705 }
706
707 \def\ltj@@does@alt@set#1{%
708   \directlua{luatexja.jfont.does_alt_set'\luatexluaescapestring{#1}'}}
709
710 \endinput