src/lltjext.sty

   1 %
   2 % lltjext.sty: derived from plext.sty in pLaTeX.
   3 %
   4
   5 \NeedsTeXFormat{LaTeX2e}
   6 \ProvidesPackage{lltjext}[2018/09/21 v1.2j-ltj-9 Macros for vertical writing]
   7 \RequirePackage{luatexja}
   8 \newcount\ltj@ext@dir
   9 {\catcode`\*=11
  10 \global\let\ltj@lltjext@orig@tabularS=\tabular*
  11 }%
  12 \let\ltj@lltjext@orig@tabular=\tabular
  13 \let\ltj@lltjext@orig@array=\array
  14
  15 %%% array and tabular
  16 \def\array{\let\@acol\@arrayacol \let\@classz\@arrayclassz
  17  \let\@classiv\@arrayclassiv
  18  \let\\\@arraycr\let\@halignto\@empty
  19  \ltj@ext@dir=\ltjgetparameter{direction}\relax\X@tabarray}
  20 \def\tabular{\let\@halignto\@empty\X@tabular}
  21 \@namedef{tabular*}{\@ifnextchar<%>
  22    {\p@stabular}{\p@stabular<Z>}}
  23 \def\X@tabarray{\@ifnextchar<%>
  24    {\p@tabarray}{\p@tabarray<Z>}}
  25 \def\X@tabular{\@ifnextchar<%>
  26    {\p@tabular}{\p@tabular<Z>}}
  27 \def\p@stabular<#1>#2{%
  28    \setlength\dimen@{#2}%
  29    \edef\@halignto{to\the\dimen@}\p@tabular<#1>}
  30 \def\p@tabular<#1>{\leavevmode \hbox \bgroup
  31    \ltj@ext@dir=\ltjgetparameter{direction}
  32    $\let\@acol\@tabacol
  33    \let\@classz\@tabclassz
  34    \let\@classiv\@tabclassiv \let\\\@tabularcr\p@tabarray<#1>}
  35 \def\p@tabarray<#1>{\m@th\@ifnextchar[%]
  36    {\p@array<#1>}{\p@array<#1>[c]}}
  37
  38 \def\p@array<#1>[#2]#3{%
  39   \fork@array@option<#1>[#2]\@begin@alignbox
  40   \let\box@dir\relax
  41   \if #1z\relax
  42     \ifnum\ltj@ext@dir=3\relax
  43       \let\box@dir\utod\@tempcnta=\zstrutbox
  44     \fi
  45   \else
  46     \if #1y\relax
  47        \let\box@dir\yoko\@tempcnta=\ystrutbox
  48     \else\if #1t\relax
  49        \let\box@dir\tate\@tempcnta=\tstrutbox
  50     \else\if #1d\relax
  51        \let\box@dir\dtou\@tempcnta=\dstrutbox
  52     \else\if #1u\relax
  53        \let\box@dir\utod\@tempcnta=\zstrutbox
  54     \fi\fi\fi\fi
  55   \fi
  56   \ifx\box@dir\relax
  57     \ifcase\ltj@ext@dir
  58        \or   \let\box@dir\dtou\@tempcnta=\dstrutbox% dtou
  59        \or\or\let\box@dir\tate\@tempcnta=\tstrutbox% tate
  60        \or   \let\box@dir\yoko\@tempcnta=\ystrutbox% yoko
  61        \else \let\box@dir\utod\@tempcnta=\zstrutbox% utod
  62     \fi
  63   \fi
  64   \bgroup\box@dir\adjustbaseline
  65   \setbox\@arstrutbox\hbox{%
  66     \box@dir
  67     \vrule\@height\arraystretch\ltjgetht\@tempcnta
  68           \@depth\arraystretch\ltjgetdp\@tempcnta \@width\z@}%
  69   \@mkpream{#3}\edef\@preamble{\ialign \noexpand\@halignto
  70   \bgroup\@arstrut \@preamble \tabskip\z@skip \cr}%
  71   \let\@startpbox\@@startpbox \let\@endpbox\@@endpbox
  72   \let\tabularnewline\\%
  73     \let\par\@empty
  74     \let\@sharp##%
  75         \set@typeset@protect
  76     \lineskip\z@skip\baselineskip\z@skip
  77     \ifhmode \@preamerr\z@ \@@par\fi
  78         \@preamble}
  79 \def\endarray{\crcr\egroup\egroup\@end@alignbox}
  80 \def\endtabular{\endarray$\egroup}
  81 \expandafter \let \csname endtabular*\endcsname = \endtabular
  82 % ↓中身＼周囲→　yoko  tate  utod  dtou
  83 % yoko          A*    B*    B     B
  84 % tate          B*    A*    D     C
  85 % utod          B     D*    A     C
  86 % dtou          B     C     C     A
  87 % A: 周囲と中身の組方向が一致．そのまま \vtop/\vcenter/\vbox
  88 % B: 周囲と中身が90度ずれ．上端/下端がベースラインに揃うように
  89 % C: 周囲と中身が180度ずれ．\vtop, \vbox 入れ替え
  90 % D: 欧文ベースライン同士を揃えるようにする
  91
  92 \def\fork@array@option@@A#1{%
  93   \let\@end@alignbox\relax
  94   \if #1t\relax     \let\@begin@alignbox\vtop
  95   \else\if #1b\relax\let\@begin@alignbox\vbox
  96   \else             \let\@begin@alignbox\vcenter
  97   \fi\fi}
  98 \def\fork@array@option@@B#1{%
  99   \if #1t\relax
 100     \def\@begin@alignbox{\vtop\bgroup\kern\z@\vbox}%
 101     \let\@end@alignbox\egroup
 102   \else\if #1b\relax
 103     \def\@begin@alignbox{\vbox\bgroup\vbox}%
 104     \def\@end@alignbox{\kern\z@\egroup}%
 105   \else
 106     \let\@begin@alignbox\vcenter
 107     \let\@end@alignbox\relax
 108   \fi\fi}
 109 \def\fork@array@option@@C#1{%
 110   \let\@end@alignbox\relax
 111   \if #1t\relax     \let\@begin@alignbox\vbox
 112   \else\if #1b\relax\let\@begin@alignbox\vtop
 113   \else             \let\@begin@alignbox\vcenter
 114   \fi\fi}
 115 \def\fork@array@option<#1>[#2]{%
 116 \ifnum\ltj@ext@dir=4 % yoko
 117   \ifx\box@dir\yoko      \fork@array@option@@A{#2}%
 118   \else                  \fork@array@option@@B{#2}%
 119   \fi
 120 \else\ifnum\ltj@ext@dir=1 % dtou
 121   \ifx\box@dir\yoko      \fork@array@option@@B{#2}%
 122   \else\ifx\box@dir\dtou \fork@array@option@@A{#2}%
 123   \else                  \fork@array@option@@C{#2}%
 124   \fi\fi
 125 \else\ifnum\ltj@ext@dir=3 % tate
 126   \ifx\box@dir\yoko      \fork@array@option@@B{#2}%
 127   \else\ifx\box@dir\tate \fork@array@option@@A{#2}%
 128   \else\ifx\box@dir\dtou \fork@array@option@@C{#2}%
 129   \else
 130     \if #2t\relax
 131       \def\@begin@alignbox{\lower\dimexpr
 132          \ltjgetparameter{talbaselineshift}-\ltjgetparameter{yalbaselineshift}\vtop}
 133       \let\@end@alignbox\relax
 134     \else\if #2b\relax
 135       \def\@begin@alignbox{\lower\dimexpr
 136          \ltjgetparameter{talbaselineshift}-\ltjgetparameter{yalbaselineshift}\vbox}
 137       \let\@end@alignbox\relax
 138     \else
 139       \let\@begin@alignbox\vcenter
 140       \let\@end@alignbox\relax
 141     \fi\fi
 142   \fi\fi\fi
 143 \else % utod
 144   \ifx\box@dir\yoko      \fork@array@option@@B{#2}%
 145   \else\ifx\box@dir\utod \fork@array@option@@A{#2}%
 146   \else\ifx\box@dir\dtou \fork@array@option@@C{#2}%
 147   \else
 148     \if #2t\relax
 149       \def\@begin@alignbox{\lower\dimexpr
 150          \ltjgetparameter{yalbaselineshift}-\ltjgetparameter{talbaselineshift}\vtop}
 151       \let\@end@alignbox\relax
 152     \else\if #2b\relax
 153       \def\@begin@alignbox{\lower\dimexpr
 154          \ltjgetparameter{yalbaselineshift}-\ltjgetparameter{talbaselineshift}\vbox}
 155       \let\@end@alignbox\relax
 156     \else
 157       \let\@begin@alignbox\vcenter
 158       \let\@end@alignbox\relax
 159     \fi\fi
 160   \fi\fi\fi
 161 \fi\fi\fi}
 162
 163 %%% caption
 164 \newbox\@floatbox
 165 \newdimen\floatwidth
 166 \newdimen\floatheight
 167 \newdimen\floatruletick \floatruletick=0.4pt
 168 \newdimen\captionfloatsep \captionfloatsep=10pt
 169 \def\caption@dir{Z}
 170 \let\captiondir\relax
 171 \newdimen\captionwidth \captionwidth\z@
 172 \def\caption@posa{Z}
 173 \def\caption@posb{Z}
 174 \newbox\@captionbox
 175 \def\captionfontsetup{\normalfont\normalsize}
 176 \def\layoutfloat{\@ifnextchar(%)
 177    {\X@layoutfloat}{\X@layoutfloat(-5\p@,-5\p@)}}
 178 \def\X@layoutfloat(#1,#2){\@ifnextchar[%]
 179    {\@layoutfloat(#1,#2)}{\@layoutfloat(#1,#2)[c]}}
 180 \long\def\@layoutfloat(#1,#2)[#3]#4{%
 181   \setbox\z@\hbox{#4}%
 182   \floatwidth=#1 \floatheight=#2 \edef\float@pos{#3}%
 183   \ifdim\floatwidth<\z@
 184      \floatwidth\ltjgetwd\z@\floatruletick\z@
 185   \fi
 186   \ifdim\floatheight<\z@
 187      \floatheight\ltjgetht\z@\advance\floatheight\ltjgetdp\z@\relax
 188      \floatruletick\z@
 189   \fi
 190   \setbox\@floatbox\vbox to\floatheight{\offinterlineskip
 191     \hrule width\floatwidth height\floatruletick depth\z@
 192     \vss\hbox to\floatwidth{%
 193       \vrule width\floatruletick height\floatheight depth\z@
 194       \hss\vbox to\floatheight{\hsize\floatwidth\vss#4\vss}\hss
 195       \vrule width\floatruletick height\floatheight depth\z@
 196     }\hrule width\floatwidth height\floatruletick depth\z@}}
 197 \def\DeclareLayoutCaption#1<#2>(#3)[#4#5]{%
 198   \expandafter
 199   \ifx\csname #1@layoutcaption\endcsname\relax \else
 200     \@latex@info{Redeclaring capiton layout setting of '#1'}%
 201   \fi
 202   \expandafter
 203   \gdef\csname #1@layoutcaption\endcsname{%
 204      \if Z\caption@dir\def\caption@dir{#2}\fi
 205      \ifdim\captionwidth=\z@ \captionwidth=#3\relax\fi
 206      \if Z\caption@posa\def\caption@posa{#4}\fi
 207      \if Z\caption@posb\def\caption@posb{#5}\fi}}
 208 \@onlypreamble\DeclareLayoutCaption
 209 \DeclareLayoutCaption{figure}<y>(.8\linewidth)[cd]
 210 \DeclareLayoutCaption{table}<y>(.8\linewidth)[cu]
 211 \def\layoutcaption{\def\caption@dir{Z}\captionwidth\z@
 212   \def\caption@posa{Z}\def\caption@posb{Z}%
 213   \@ifnextchar<\X@layoutcaption{%
 214     \@ifnextchar(\@ilayoutcaption{%
 215       \@ifnextchar[\@iilayoutcaption\relax}}}
 216 \def\X@layoutcaption<#1>{\def\caption@dir{#1}%
 217   \@ifnextchar(\@ilayoutcaption{%
 218     \@ifnextchar[\@iilayoutcaption\relax}}
 219 \def\@ilayoutcaption(#1){\setlength\captionwidth{#1}%
 220   \@ifnextchar[{\@iilayoutcaption}{\relax}}
 221 \def\@iilayoutcaption[#1#2]{%
 222   \def\caption@posa{#1}\def\caption@posb{#2}}
 223 \def\pcaption{%
 224   \ifx\@captype\@undefined
 225     \@latex@error{\noexpand\pcaption outside float}\@ehd
 226     \expandafter\@gobble
 227   \else
 228     \refstepcounter\@captype
 229     \expandafter\@firstofone
 230   \fi
 231   {\@dblarg{\@pcaption\@captype}}%
 232 }
 233 \long\def\@pcaption#1[#2]#3{%
 234   \addcontentsline{\csname ext@#1\endcsname}{#1}{%
 235     \protect\numberline{\csname the#1\endcsname}{\ignorespaces#2}}%
 236   \ifvoid\@floatbox
 237      \@latex@error{Use \noexpand\pcaption with `\protect\layoutfloat'}\@eha
 238   \fi
 239   \make@pcaptionbox{#3}%
 240   \@pboxswfalse
 241   \setbox\@tempboxa\vbox{\hbox to\hsize{\if l\float@pos\else\hss\fi
 242     \if l\caption@posb\box\@captionbox\kern\captionfloatsep\fi
 243     \if t\caption@posa\vtop
 244     \else\if b\caption@posa\vbox
 245     \else\ifmmode\vcenter \else\@pboxswtrue $\vcenter \fi\fi\fi
 246     {\if u\caption@posb\box\@captionbox\kern\captionfloatsep\fi
 247      \unvbox\@floatbox
 248      \if d\caption@posb\kern\captionfloatsep\box\@captionbox\fi}%
 249     \if r\caption@posb\kern\captionfloatsep\box\@captionbox\fi
 250     \if@pboxsw \m@th$\fi \if r\float@pos\else\hss\fi}}%
 251   \par\vskip.25\baselineskip
 252   \box\@tempboxa}
 253 \def\make@pcaptionbox#1{%
 254   \expandafter
 255   \ifx\csname\@captype @layoutcaption\endcsname\relax
 256      \@latex@warning{Default caption layout of `\@captype' unknown.}%
 257        \def\caption@dir{Z}\captionwidth\z@
 258        \def\caption@posa{Z}\def\caption@posb{Z}%
 259   \else
 260      \csname \@captype @layoutcaption\endcsname
 261   \fi
 262   \@tempswafalse
 263   % \@tempswa: 基本組の組方向とキャプションの組方向が直交するか？
 264   \if y\caption@dir \let\captiondir\yoko
 265     \ifodd\ltjgetparameter{direction}\relax\@tempswatrue\fi
 266   \else\if z\caption@dir \let\captiondir\relax
 267     \ifnum\ltjgetparameter{direction}=3\relax\let\captiondir\utod\fi
 268   \else\if d\caption@dir \let\captiondir\dtou
 269     \ifodd\ltjgetparameter{direction}\else\@tempswatrue\fi
 270   \else\if u\caption@dir \let\captiondir\utod
 271     \ifodd\ltjgetparameter{direction}\else\@tempswatrue\fi
 272   \else\if t\caption@dir \let\captiondir\tate
 273     \ifodd\ltjgetparameter{direction}\else\@tempswatrue\fi
 274   \fi\fi\fi\fi\fi
 275   \setbox0\hbox{\hbox{\captiondir
 276      \captionfontsetup\parindent\z@\inhibitglue
 277      \csname fnum@\@captype\endcsname 　#1}}%"
 278   \if@tempswa\@tempdima\ltjgetht0\relax\else\@tempdima\ltjgetwd0\relax\fi
 279   \ifdim\@tempdima>\captionwidth \@tempdima\captionwidth \fi
 280   \@pboxswfalse
 281   \setbox0\hbox{%
 282     \if u\caption@posb\vbox
 283     \else\if d\caption@posb\vbox
 284     \else\if t\caption@posa\vtop
 285     \else\if b\caption@posa\vbox
 286     \else\ifmmode\vcenter\else\@pboxswtrue $\vcenter\fi
 287     \fi\fi\fi\fi
 288     {\hsize\@tempdima\kern\z@
 289     \vbox{\captiondir\hsize\@tempdima
 290       \captionfontsetup\parindent\z@\inhibitglue
 291       \csname fnum@\@captype\endcsname 　#1}\kern\z@
 292     }\if@pboxsw \m@th$\fi}%
 293   \let\to@captionboxwidth\relax
 294   \if l\caption@posb \else\if r\caption@posb\else
 295   \def\to@captionboxwidth{to\floatwidth}\fi\fi
 296   \setbox\@captionbox\hbox\to@captionboxwidth{%
 297      \if t\caption@posa\else\hss\fi
 298      \unhbox0\relax
 299      \if b\caption@posa\else\hss\fi}}
 300
 301 %%% minipage and parbox
 302 \def\minipage{\@ifnextchar<%>
 303    {\X@minipage}{\X@minipage<Z>}}
 304 \def\X@minipage<#1>{\@ifnextchar[%]
 305    {\@iminipage<#1>}{\@iiiminipage<#1>{c}\relax[s]}}
 306 \def\@iminipage<#1>[#2]{\@ifnextchar[%]
 307    {\@iiminipage<#1>{#2}}{\@iiiminipage<#1>{#2}\relax[s]}}
 308 \def\@iiminipage<#1>#2[#3]{\@ifnextchar[%]
 309    {\@iiiminipage<#1>{#2}{#3}}{\@iiiminipage<#1>{#2}{#3}[#2]}}
 310 \def\@iiiminipage<#1>#2#3[#4]#5{%
 311   \leavevmode\bgroup
 312   \setlength\@tempdima{#5}%
 313   \def\@mpargs{<#1>{#2}{#3}[#4]{#5}}%
 314   \let\box@dir\relax
 315   \if #1z\relax
 316     \ifnum\ltjgetparameter{direction}=3\relax
 317       \let\box@dir\utod
 318     \fi
 319   \else
 320     \if #1y\relax     \let\box@dir\yoko
 321     \else\if #1t\relax\let\box@dir\tate
 322     \else\if #1d\relax\let\box@dir\dtou
 323     \else\if #1u\relax\let\box@dir\utod
 324     \fi\fi\fi\fi
 325   \fi
 326   \ifx\box@dir\relax
 327     \ifcase\ltjgetparameter{direction}\relax
 328        \or   \let\box@dir\dtou
 329        \or\or\let\box@dir\tate
 330        \or   \let\box@dir\yoko
 331        \else \let\box@dir\utod
 332     \fi
 333   \fi
 334   \setbox\@tempboxa\vbox\bgroup\box@dir
 335     \adjustbaseline
 336     \color@begingroup
 337       \hsize\@tempdima
 338       \textwidth\hsize \columnwidth\hsize
 339       \@parboxrestore
 340       \def\@mpfn{mpfootnote}\def\thempfn{\thempfootnote}%
 341       \c@mpfootnote\z@
 342       \let\@footnotetext\@mpfootnotetext
 343       \let\@listdepth\@mplistdepth \@mplistdepth\z@
 344       \@minipagerestore
 345       \@setminipage}
 346 \def\endminipage{%
 347     \par
 348     \unskip
 349     \ifvoid\@mpfootins\else
 350       \vskip\skip\@mpfootins
 351       \normalcolor
 352       \footnoterule
 353       \unvbox\@mpfootins
 354     \fi
 355     \@minipagefalse   %% added 24 May 89
 356   \color@endgroup
 357   \egroup
 358   \expandafter\@iiiparbox\@mpargs{\unvbox\@tempboxa}\egroup}
 359 \DeclareRobustCommand\parbox{\@ifnextchar<%>
 360    {\X@parbox}{\X@parbox<Z>}}
 361 \def\X@parbox<#1>{\@ifnextchar[%]
 362    {\@iparbox<#1>}{\@iiiparbox<#1>{c}\relax[s]}}
 363 \def\@iparbox<#1>[#2]{\@ifnextchar[%]
 364    {\@iiparbox<#1>{#2}}{\@iiiparbox<#1>{#2}\relax[s]}}
 365 \def\@iiparbox<#1>#2[#3]{\@ifnextchar[%]%
 366    {\@iiiparbox<#1>{#2}{#3}}{\@iiiparbox<#1>{#2}{#3}[#2]}}
 367 \long\def\@iiiparbox<#1>#2#3[#4]#5#6{%
 368   \leavevmode
 369   \setlength\@tempdima{#5}%
 370   \fork@parbox@option<#1>[#2]%
 371   \@begin@tempboxa\vbox{\box@dir
 372     \hsize\@tempdima\@parboxrestore\adjustbaseline#6\@@par}%
 373     \ifx\relax#3\else
 374       \setlength\@tempdimb{#3}%
 375       \edef\@parboxto{to\the\@tempdimb}%
 376     \fi
 377     \@begin@parbox\@parboxto{\box@dir\adjustbaseline
 378        \let\hss\vss\let\unhbox\unvbox
 379        \csname bm@#4\endcsname}\@end@parbox
 380   \@end@tempboxa}
 381
 382
 383 % ↓中身＼周囲→　yoko  tate  utod  dtou
 384 % yoko          A*    B*    B     B
 385 % tate          B*    A*    D     C
 386 % utod          B     D*    A     C
 387 % dtou          B     C     C     A
 388 % A: 周囲と中身の組方向が一致．そのまま \vtop/\vcenter/\vbox
 389 % B: 周囲と中身が90度ずれ．上端が和文の高さ or 下端が和文の深さに揃うように
 390 % C: 周囲と中身が180度ずれ．（コードは B のものを流用）
 391 % D: 上端が和文の高さ or 下端が和文の深さに揃うように（コードは B のものを流用）
 392
 393 \def\fork@parbox@option@@A#1{%
 394   \let\@end@parbox\relax
 395   \if #1t\relax     \let\@begin@parbox\vtop
 396   \else\if #1b\relax\let\@begin@parbox\vbox
 397   \else
 398     \ifmmode
 399       \let\@begin@parbox\vcenter\let\@end@parbox\relax
 400     \else
 401       \def\@begin@parbox{\null$\vcenter}%
 402       \def\@end@parbox{\m@th$\null}%
 403     \fi
 404   \fi\fi}
 405 \def\lltjext@getjablshift{%
 406   \ifnum\ltj@ext@dir=3 \ltjgetparameter{tjabaselineshift}\else
 407   \ltjgetparameter{yjabaselineshift}\fi}
 408 \def\fork@parbox@option@@B#1{%
 409   \if #1t\relax
 410     \def\@begin@parbox{\raise\dimexpr\cht-\lltjext@getjablshift\vtop\bgroup\kern\z@\vbox}%
 411     \let\@end@parbox\egroup
 412   \else\if #1b\relax
 413     \def\@begin@parbox{\lower\dimexpr\cdp+\lltjext@getjablshift\vbox\bgroup\vbox}%
 414     \def\@end@parbox{\kern\z@\egroup}%
 415   \else
 416     \ifmmode
 417       \let\@begin@parbox\vcenter\let\@end@parbox\relax
 418     \else
 419       \def\@begin@parbox{\null$\vcenter}%
 420       \def\@end@parbox{\m@th$\null}%
 421     \fi
 422   \fi\fi}
 423 \let\fork@parbox@option@@C=\fork@parbox@option@@B
 424 \def\fork@parbox@option<#1>[#2]{%
 425   \let\box@dir\relax \ltj@ext@dir=\ltjgetparameter{direction}\relax
 426   \if #1z\relax
 427     \ifnum\ltj@ext@dir=3\relax
 428       \let\box@dir\utod
 429     \fi
 430   \else
 431     \if #1y\relax     \let\box@dir\yoko
 432     \else\if #1t\relax\let\box@dir\tate
 433     \else\if #1d\relax\let\box@dir\dtou
 434     \else\if #1u\relax\let\box@dir\utod
 435     \fi\fi\fi\fi
 436   \fi
 437   \ifx\box@dir\relax
 438     \ifcase\ltj@ext@dir
 439        \or   \let\box@dir\dtou
 440        \or\or\let\box@dir\tate
 441        \or   \let\box@dir\yoko
 442        \else \let\box@dir\utod
 443     \fi
 444   \fi
 445 \ifnum\ltj@ext@dir=4 % yoko
 446   \ifx\box@dir\yoko      \fork@parbox@option@@A{#2}%
 447   \else                  \fork@parbox@option@@B{#2}%
 448   \fi
 449 \else\ifnum\ltj@ext@dir=1 % dtou
 450   \ifx\box@dir\yoko      \fork@parbox@option@@B{#2}%
 451   \else\ifx\box@dir\dtou \fork@parbox@option@@A{#2}%
 452   \else                  \fork@parbox@option@@C{#2}%
 453   \fi\fi
 454 \else\ifnum\ltj@ext@dir=3 % tate
 455   \ifx\box@dir\yoko      \fork@parbox@option@@B{#2}%
 456   \else\ifx\box@dir\tate \fork@parbox@option@@A{#2}%
 457   \else\ifx\box@dir\dtou \fork@parbox@option@@C{#2}%
 458   \else                  \fork@parbox@option@@B{#2}% D
 459   \fi\fi\fi
 460 \else % utod
 461   \ifx\box@dir\yoko      \fork@parbox@option@@B{#2}%
 462   \else\ifx\box@dir\utod \fork@parbox@option@@A{#2}%
 463   \else\ifx\box@dir\dtou \fork@parbox@option@@C{#2}%
 464   \else                  \fork@parbox@option@@B{#2}% D
 465   \fi\fi\fi
 466 \fi\fi\fi}
 467
 468 %%% pbox
 469 \DeclareRobustCommand\pbox{\leavevmode\@ifnextchar<{\X@makePbox}{\X@makePbox<Z>}}
 470 \def\X@makePbox<#1>{%
 471   \@ifnextchar[{\@imakePbox<#1>}{\@imakePbox<#1>[-5\p@]}}
 472 \def\@imakePbox<#1>[#2]{\@ifnextchar[%]
 473   {\@iimakePbox<#1>{#2}}{\@iimakePbox<#1>{#2}[c]}}
 474 \def\@iimakePbox<#1>#2[#3]#4{%
 475   \bgroup\let\box@dir\relax
 476   \if #1z\relax
 477     \ifnum\ltjgetparameter{direction}=3 \relax
 478       \let\box@dir\utod
 479     \fi
 480   \else
 481     \if #1y\relax     \let\box@dir\yoko
 482     \else\if #1t\relax\let\box@dir\tate
 483     \else\if #1d\relax\let\box@dir\dtou
 484     \else\if #1u\relax\let\box@dir\utod
 485     \fi\fi\fi\fi
 486   \fi
 487   \ifx\box@dir\relax
 488     \ifcase\ltjgetparameter{direction}
 489        \or   \let\box@dir\dtou
 490        \or\or\let\box@dir\tate
 491        \or   \let\box@dir\yoko
 492        \else \let\box@dir\utod
 493     \fi
 494   \fi
 495     \setlength{\@tempdima}{#2}%
 496     \ifdim\@tempdima<\z@ \hbox{\box@dir#4}\else
 497     \hb@xt@\@tempdima{\box@dir
 498                \if #3l\relax\else\hss\fi
 499                #4\relax
 500                \if #3r\relax\else\hss\fi}\fi\egroup}
 501
 502 %%% picture
 503 \def\picture{\@ifnextchar<%>
 504    {\X@picture}{\X@picture<Z>}}
 505 \def\X@picture<#1>(#2,#3){\@ifnextchar(%)
 506    {\@@picture<#1>(#2,#3)}{\@@picture<#1>(#2,#3)(0,0)}}
 507 \newdimen\@picwd
 508 \def\ltj@@pic@reset@blshift{%
 509   \ltj@yablshift\z@\ltj@ykblshift\z@
 510   \ltj@tablshift\z@\ltj@tkblshift\z@
 511 }%
 512 \def\@@picture<#1>(#2,#3)(#4,#5){%
 513   \edef\ltj@@pic@save@blshift{%
 514     \noexpand\ltj@yablshift\the\ltj@yablshift\noexpand\relax
 515     \noexpand\ltj@ykblshift\the\ltj@ykblshift\noexpand\relax
 516     \noexpand\ltj@tablshift\the\ltj@tablshift\noexpand\relax
 517     \noexpand\ltj@tkblshift\the\ltj@tkblshift\noexpand\relax
 518   }%
 519   \bgroup\let\box@dir\relax
 520   \if #1z\relax
 521     \ifnum\ltjgetparameter{direction}=3 \relax
 522       \let\box@dir\utod
 523     \fi
 524   \else
 525     \if #1y\relax     \let\box@dir\yoko
 526     \else\if #1t\relax\let\box@dir\tate
 527     \else\if #1d\relax\let\box@dir\dtou
 528     \else\if #1u\relax\let\box@dir\utod
 529     \fi\fi\fi\fi
 530   \fi
 531   \ifx\box@dir\relax
 532     \ifcase\ltjgetparameter{direction}
 533        \or   \let\box@dir\dtou
 534        \or\or\let\box@dir\tate
 535        \or   \let\box@dir\yoko
 536        \else \let\box@dir\utod
 537     \fi
 538   \fi
 539   \@picwd=#2\unitlength \@picht=#3\unitlength
 540   \setbox\@picbox\hbox to\@picwd\bgroup\box@dir
 541   \hskip-#4\unitlength\lower#5\unitlength\hbox\bgroup
 542   \ltj@@pic@reset@blshift
 543   \ignorespaces}
 544 \def\endpicture{%
 545   \egroup\hss\egroup
 546   \setbox0=\hbox{\box@dir%
 547     \ltjsetht\@picbox\@picht \ltjsetdp\@picbox\z@
 548   }%
 549   \@tempswafalse
 550   \ifnum\ltjgetparameter{direction}=3  \@tempswatrue\fi
 551   \ifnum\ltjgetparameter{direction}=11  \@tempswatrue\fi
 552   \if@tempswa
 553     \ifx\box@dir\yoko % この場合だけ垂直位置補正が必要
 554      \ltjsetht\@picbox\dimexpr\ltjgetht\@picbox+\ltjgetdp\@picbox\relax
 555       \ltjsetdp\@picbox\z@
 556     \fi
 557   \fi
 558   \mbox{\box\@picbox}%
 559   \egroup\ltj@@pic@save@blshift}
 560 \let\org@put\put
 561 \def\put{\ltj@@pic@reset@blshift\org@put}
 562 \let\org@line\line
 563 \def\line{\ltj@@pic@reset@blshift\org@line}
 564 \let\org@vector\vector
 565 \def\vector{\ltj@@pic@reset@blshift\org@vector}
 566 \let\org@dashbox\dashbox
 567 \def\dashbox{\ltj@@pic@reset@blshift\org@dashbox}
 568 \let\org@oval\oval
 569 \def\oval{\ltj@@pic@reset@blshift\org@oval}
 570 \let\org@circle\circle
 571 \def\circle{\ltj@@pic@reset@blshift\org@circle}
 572
 573 %%% rensuji
 574 \newif\ifnot@advanceline
 575 \newskip\rensujiskip
 576 \rensujiskip=0.25\chs plus.25\zw minus.25\zw
 577 \DeclareRobustCommand\rensuji{%
 578   \@ifstar{\not@advancelinetrue\@rensuji}{\@rensuji}}
 579 \def\@rensuji{\@ifnextchar[{\@@rensuji}{\@@rensuji[c]}}
 580 \def\@@rensuji[#1]#2{%
 581   \ifvmode\leavevmode\fi
 582   \ifnum\ltjgetparameter{direction}=4\relax\hbox{#2}\else
 583   \hskip\rensujiskip
 584   \setbox\tw@\hbox{漢}% 「あ」では仮名書体使用時がまずそう
 585   \@tempdimb\ltjgetht\tw@ \advance\@tempdimb\ltjgetdp\tw@
 586   \ifnot@advanceline\not@advancelinefalse\else
 587     \setbox\z@\hbox{\yoko#2}%
 588     \@tempdima\ltjgetht\z@ \advance\@tempdima\ltjgetdp\z@
 589     \ifnum\ltjgetparameter{direction}=1\relax
 590       % 周囲が dtou の場合には，高さ \ltjgetht\tw@, 深さ \ltjgetdp\tw@ のボックスを基準としている．
 591       \if #1c\relax\vrule \@width \z@ \@height\dimexpr.5\@tempdima+.5\ltjgetht\tw@-.5\ltjgetdp\tw@
 592                           \@depth\dimexpr.5\@tempdima-.5\ltjgetht\tw@+.5\ltjgetdp\tw@
 593       \else\if #1l\relax\vrule\@width \z@\@height\ltjgetht\tw@ \@depth\dimexpr\@tempdima-\ltjgetht\tw@
 594       \else\vrule\@width \z@ \@height\dimexpr\@tempdima-\ltjgetdp\tw@ \@depth\ltjgetdp\tw@
 595       \fi\fi
 596     \else
 597       % 周囲が tate, utod の場合も同じ
 598       \if #1c\relax\vrule \@width \z@ \@height\dimexpr.5\@tempdima+.5\ltjgetht\tw@-.5\ltjgetdp\tw@
 599                           \@depth\dimexpr.5\@tempdima-.5\ltjgetht\tw@+.5\ltjgetdp\tw@
 600       \else\if #1r\relax\vrule\@width \z@\@height\ltjgetht\tw@ \@depth\dimexpr\@tempdima-\ltjgetht\tw@
 601       \else\vrule\@width \z@ \@height\dimexpr\@tempdima-\ltjgetdp\tw@ \@depth\ltjgetdp\tw@
 602       \fi\fi
 603     \fi
 604   \fi
 605   \ifnum\ltjgetparameter{direction}=1\relax
 606     \if #1c\relax\hbox to\@tempdimb{\yoko\hss#2\hss\kern-\ltjgetdp\tw@}%
 607     \else\if #1r\relax\vbox{\hbox to\@tempdimb{\yoko\hss#2\kern-\ltjgetdp\tw@}}%
 608     \else\lower\ltjgetdp\tw@\vtop{\hbox to\@tempdimb{\yoko#2\hss}}%
 609     \fi\fi
 610   \else
 611     \if #1c\relax\raise\dimexpr.5\@tempdimb-\ltjgetdp\tw@
 612         \hbox to\@tempdimb{\yoko \hss#2\hss}%
 613     \else\if #1r\relax\raise\dimexpr.5\@tempdimb-\ltjgetdp\tw@
 614         \vbox{\hbox to\@tempdimb{\yoko\hss#2}}%
 615     \else\raise\dimexpr.5\@tempdimb-\ltjgetdp\tw@
 616          \vtop{\hbox to\@tempdimb{\yoko #2\hss}}%
 617     \fi\fi
 618   \fi
 619   \hskip\rensujiskip
 620 \fi}
 621 \let\Rensuji\rensuji
 622 \let\prensuji\rensuji
 623
 624 %%% kanji
 625 \def\Kanji#1{\expandafter\@Kanji\csname c@#1\endcsname}
 626 \def\@Kanji#1{\kansuji #1}
 627 \def\kanji{\ifnum\ltjgetparameter{direction}=3 \expandafter\kansuji\fi}
 628
 629 %%% bou
 630 %%%
 631 \def\boutenchar{\char\euc"A1A2}%"
 632 \def\bou#1{\ifvmode\leavevmode\fi\@bou#1\end}
 633 \def\@bou#1{%
 634   \ifx#1\end \let\ltj@@next=\relax
 635   \else
 636     \ifnum\ltjgetparameter{direction}=3\relax
 637       \hbox to\z@{\vbox to\z@{\boxmaxdepth\maxdimen
 638         \vss\moveleft0.2\zw\hbox{\yoko\boutenchar}\nointerlineskip
 639         \hbox{\char\euc"A1A1}}\hss}\nobreak#1\relax
 640     \else
 641       \hbox to\z@{\vbox to\z@{\boxmaxdepth\maxdimen
 642         \vss\moveleft-0.2\zw\hbox{\boutenchar}\nointerlineskip
 643         \hbox{\char\euc"A1A1}}\hss}\nobreak#1\relax
 644     \fi
 645     \let\ltj@@next=\@bou
 646   \fi\ltj@@next}
 647
 648 %%% kasen
 649 \def\kasen#1{%
 650   \ifnum\ltjgetparameter{direction}=3\relax
 651     \setbox\z@\hbox{#1}\leavevmode\raise.7\zw
 652     \hbox to\z@{\vrule\@width\wd\z@ \@depth\z@ \@height.4\p@\hss}%
 653     \box\z@
 654   \else\underline{#1}\fi}
 655
 656 %%% references
 657 \def\@eqnnum{{\reset@font\rmfamily \normalcolor
 658   \ifnum\ltjgetparameter{direction}=11\raise.25\zh\hbox{\yoko(\theequation)}%
 659   \else (\theequation)\fi}}
 660 \def\@thecounter#1{\noexpand\rensuji{\noexpand\arabic{#1}}}
 661 \def\@thmcounter#1{\noexpand\rensuji{\noexpand\arabic{#1}}}
 662
 663 %% Compatibility with array package
 664
 665 \def\ltj@lltjext@patch@array{%
 666   \patchcmd{\@tabular}{\hbox\bgroup}{%
 667         \hbox\bgroup\ltj@ext@dir=\ltjgetparameter{direction}}{}{}
 668   \pretocmd{\array}%
 669         {\ltj@ext@dir=\ltjgetparameter{direction}\relax}{}{}
 670   \def\@startpbox##1{\bgroup
 671    \box@dir\adjustbaseline%%% これを追加
 672    \setlength\hsize{##1}\@arrayparboxrestore
 673      \everypar{%
 674         \vrule \@height \ltjgetht\@arstrutbox \@width \z@
 675         \everypar{}}%
 676      }
 677   \def\@tabarray{\@ifnextchar<\p@tabarray{\p@tabarray<z>}}
 678   \def\p@array<##1>[##2]##3{%
 679     \let\box@dir\relax
 680     \if ##1z\relax
 681       \ifnum\ltj@ext@dir=3\relax
 682         \let\box@dir\utod\@tempcnta=\zstrutbox
 683       \fi
 684     \else
 685       \if ##1y\relax
 686         \let\box@dir\yoko\@tempcnta=\ystrutbox
 687       \else\if ##1t\relax
 688         \let\box@dir\tate\@tempcnta=\tstrutbox
 689       \else\if ##1d\relax
 690          \let\box@dir\dtou\@tempcnta=\dstrutbox
 691       \else\if ##1u\relax
 692          \let\box@dir\utod\@tempcnta=\zstrutbox
 693       \fi\fi\fi\fi
 694     \fi
 695     \ifx\box@dir\relax
 696       \ifcase\ltj@ext@dir
 697          \or   \let\box@dir\dtou\@tempcnta=\dstrutbox% dtou
 698          \or\or\let\box@dir\tate\@tempcnta=\tstrutbox% tate
 699          \or   \let\box@dir\yoko\@tempcnta=\ystrutbox% yoko
 700          \else \let\box@dir\utod\@tempcnta=\zstrutbox% utod
 701       \fi
 702     \fi
 703     \setbox \@arstrutbox \hbox{\box@dir\vrule
 704                \@height \arraystretch
 705                  \dimexpr \ltjgetht\@tempcnta+\extrarowheight\relax
 706                \@depth \arraystretch \ltjgetdp \@tempcnta
 707                \@width \z@}%
 708     \fork@array@option<##1>[##2]%
 709     \begingroup
 710     \@mkpream{##3}%
 711     \xdef\@preamble{\ialign \noexpand \@halignto
 712                     \bgroup \tabskip \z@skip \@arstrut \@preamble
 713                             \tabskip \z@ \cr}%
 714     \endgroup
 715     \@arrayleft
 716     \@begin@alignbox\bgroup\box@dir\adjustbaseline
 717       \let\par\@empty
 718       \let\@sharp####\let\protect\relax
 719       \let\\\@arraycr\let\tabularnewline\\\let\par\@empty
 720      \lineskip\z@skip\baselineskip\z@skip\@preamble}
 721   \def\endarray{\crcr\egroup\egroup\@end@alignbox\@arrayright}
 722   \@namedef{tabular*}{\@ifnextchar<{\p@stabular}{\p@stabular<Z>}}%>
 723   \def\p@stabular<##1>##2{%
 724     \setlength\dimen@{##2}%
 725     \edef\@halignto{to\the\dimen@}\@tabular<##1>}
 726 }
 727
 728 \@ifpackageloaded{array}{%
 729   \expandafter\let\csname tabular*\endcsname=\ltj@lltjext@orig@tabularS
 730   \let\tabular=\ltj@lltjext@orig@tabular
 731   \let\array=\ltj@lltjext@orig@array
 732   \ltj@lltjext@patch@array
 733 }{%
 734   \let\ltj@lltjext@orig@tabularS\relax
 735   \let\ltj@lltjext@orig@tabular\relax
 736   \let\ltj@lltjext@orig@array\relax
 737   \RequirePackage{filehook,etoolbox}
 738   \AtEndOfPackageFile{array}{\ltj@lltjext@patch@array}
 739 }
 740
 741 %%%%%%%%%%%%%%%% LuaTeX-ja original
 742
 743 %%\define@key[ltj]{japaram}{autouprightnum}{%      %COUNT
 744 %%  \ltj@@set@stack{AURN}{0}{10000}\z@#1 }
 745
 746 \endinput