src/lltjext.sty

   1 %
   2 % lltjext.sty: derived from plext.sty in pLaTeX.
   3 %
   4
   5 \NeedsTeXFormat{LaTeX2e}
   6 \ProvidesPackage{lltjext}[2018/09/22 v1.2j-ltj-9 Macros for vertical writing]
   7 \RequirePackage{luatexja}
   8 \newcount\ltj@ext@dir
   9 \let\ltj@lltjext@orig@tabular=\tabular
  10 \let\ltj@lltjext@orig@array=\array
  11
  12 %%% array and tabular
  13 \def\array{\let\@acol\@arrayacol \let\@classz\@arrayclassz
  14  \let\@classiv\@arrayclassiv
  15  \let\\\@arraycr\let\@halignto\@empty
  16  \ltj@ext@dir=\ltjgetparameter{direction}\relax\X@tabarray}
  17 \def\tabular{\let\@halignto\@empty\X@tabular}
  18 \@namedef{tabular*}{\@ifnextchar<%>
  19    {\p@stabular}{\p@stabular<Z>}}
  20 {\catcode`\*=11
  21 \global\let\ltj@lltjext@orig@tabularS=\tabular*
  22 }%
  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    $\let\@acol\@tabacol
  33    \let\@classz\@tabclassz
  34    \let\@classiv\@tabclassiv \let\\\@tabularcr\p@tabarray<#1>}
  35 \def\p@tabarray<#1>{\m@th\@ifnextchar[%]
  36    {\p@array<#1>}{\p@array<#1>[c]}}
  37
  38 \def\p@array<#1>[#2]#3{%
  39   \let\box@dir\relax
  40   \if #1z\relax
  41     \ifnum\ltj@ext@dir=3\relax
  42       \let\box@dir\utod\@tempcnta=\zstrutbox
  43     \fi
  44   \else
  45     \if #1y\relax
  46        \let\box@dir\yoko\@tempcnta=\ystrutbox
  47     \else\if #1t\relax
  48        \let\box@dir\tate\@tempcnta=\tstrutbox
  49     \else\if #1d\relax
  50        \let\box@dir\dtou\@tempcnta=\dstrutbox
  51     \else\if #1u\relax
  52        \let\box@dir\utod\@tempcnta=\zstrutbox
  53     \fi\fi\fi\fi
  54   \fi
  55   \ifx\box@dir\relax
  56     \ifcase\ltj@ext@dir
  57        \or   \let\box@dir\dtou\@tempcnta=\dstrutbox% dtou
  58        \or\or\let\box@dir\tate\@tempcnta=\tstrutbox% tate
  59        \or   \let\box@dir\yoko\@tempcnta=\ystrutbox% yoko
  60        \else \let\box@dir\utod\@tempcnta=\zstrutbox% utod
  61     \fi
  62   \fi
  63   \fork@array@option<#1>[#2]\@begin@alignbox
  64   \bgroup\box@dir\adjustbaseline
  65   \setbox\@arstrutbox\hbox{%
  66     \box@dir
  67     \vrule\@height\arraystretch\ltjgetht\@tempcnta
  68           \@depth\arraystretch\ltjgetdp\@tempcnta \@width\z@}%
  69   \@mkpream{#3}\edef\@preamble{\ialign \noexpand\@halignto
  70   \bgroup\@arstrut \@preamble \tabskip\z@skip \cr}%
  71   \let\@startpbox\@@startpbox \let\@endpbox\@@endpbox
  72   \let\tabularnewline\\%
  73     \let\par\@empty
  74     \let\@sharp##%
  75         \set@typeset@protect
  76     \lineskip\z@skip\baselineskip\z@skip
  77     \ifhmode \@preamerr\z@ \@@par\fi
  78         \@preamble}
  79 \def\endarray{\crcr\egroup\egroup\@end@alignbox}
  80 \def\endtabular{\endarray$\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@layoutc@ption\endcsname\relax \else
 200     \@latex@info{Redeclaring capiton layout setting of '#1'}%
 201   \fi
 202   \expandafter
 203   \gdef\csname #1@layoutc@ption\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\@pboxswtrue $\vcenter \fi\fi
 246     {\if u\caption@posb\box\@captionbox\kern\captionfloatsep\fi
 247      \unvbox\@floatbox
 248      \if d\caption@posb\kern\captionfloatsep\box\@captionbox\fi}%
 249     \if@pboxsw \m@th$\fi
 250     \if r\caption@posb\kern\captionfloatsep\box\@captionbox\fi
 251     \if r\float@pos\else\hss\fi}}%
 252   \par\vskip.25\baselineskip
 253   \box\@tempboxa}
 254 \def\make@pcaptionbox#1{%
 255   \expandafter
 256   \ifx\csname\@captype @layoutc@ption\endcsname\relax
 257      \@latex@warning{Default caption layout of `\@captype' unknown.}%
 258        \def\caption@dir{Z}\captionwidth\z@
 259        \def\caption@posa{Z}\def\caption@posb{Z}%
 260   \else
 261      \csname \@captype @layoutc@ption\endcsname
 262   \fi
 263   \@tempswafalse
 264   % \@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？
 265   \if y\caption@dir \let\captiondir\yoko
 266     \ifodd\ltjgetparameter{direction}\relax\@tempswatrue\fi
 267   \else\if z\caption@dir \let\captiondir\relax
 268     \ifnum\ltjgetparameter{direction}=3\relax\let\captiondir\utod\fi
 269   \else\if d\caption@dir \let\captiondir\dtou
 270     \ifodd\ltjgetparameter{direction}\else\@tempswatrue\fi
 271   \else\if u\caption@dir \let\captiondir\utod
 272     \ifodd\ltjgetparameter{direction}\else\@tempswatrue\fi
 273   \else\if t\caption@dir \let\captiondir\tate
 274     \ifodd\ltjgetparameter{direction}\else\@tempswatrue\fi
 275   \fi\fi\fi\fi\fi
 276   \setbox0\hbox{\hbox{\captiondir
 277      \captionfontsetup\parindent\z@\inhibitglue
 278      \csname fnum@\@captype\endcsname 　#1}}%"
 279   \if@tempswa\@tempdima\ltjgetht0\relax\else\@tempdima\ltjgetwd0\relax\fi
 280   \ifdim\@tempdima>\captionwidth \@tempdima\captionwidth \fi
 281   \@pboxswfalse
 282   \setbox0\hbox{%
 283     \if u\caption@posb\vbox
 284     \else\if d\caption@posb\vbox
 285     \else\if t\caption@posa\vtop
 286     \else\if b\caption@posa\vbox
 287     \else\ifmmode\vcenter\else\@pboxswtrue $\vcenter\fi
 288     \fi\fi\fi\fi
 289     {\hsize\@tempdima\kern\z@
 290     \vbox{\captiondir\hsize\@tempdima
 291       \captionfontsetup\parindent\z@\inhibitglue
 292       \csname fnum@\@captype\endcsname 　#1}\kern\z@
 293     }\if@pboxsw \m@th$\fi}%
 294   \let\to@captionboxwidth\relax
 295   \if l\caption@posb \else\if r\caption@posb\else
 296   \def\to@captionboxwidth{to\floatwidth}\fi\fi
 297   \setbox\@captionbox\hbox\to@captionboxwidth{%
 298      \if t\caption@posa\else\hss\fi
 299      \unhbox0\relax
 300      \if b\caption@posa\else\hss\fi}}
 301
 302 %%% minipage and parbox
 303 \def\minipage{\@ifnextchar<%>
 304    {\X@minipage}{\X@minipage<Z>}}
 305 \def\X@minipage<#1>{\@ifnextchar[%]
 306    {\@iminipage<#1>}{\@iiiminipage<#1>{c}\relax[s]}}
 307 \def\@iminipage<#1>[#2]{\@ifnextchar[%]
 308    {\@iiminipage<#1>{#2}}{\@iiiminipage<#1>{#2}\relax[s]}}
 309 \def\@iiminipage<#1>#2[#3]{\@ifnextchar[%]
 310    {\@iiiminipage<#1>{#2}{#3}}{\@iiiminipage<#1>{#2}{#3}[#2]}}
 311 \def\@iiiminipage<#1>#2#3[#4]#5{%
 312   \leavevmode\bgroup
 313   \setlength\@tempdima{#5}%
 314   \def\@mpargs{<#1>{#2}{#3}[#4]{#5}}%
 315   \let\box@dir\relax
 316   \if #1z\relax
 317     \ifnum\ltjgetparameter{direction}=3\relax
 318       \let\box@dir\utod
 319     \fi
 320   \else
 321     \if #1y\relax     \let\box@dir\yoko
 322     \else\if #1t\relax\let\box@dir\tate
 323     \else\if #1d\relax\let\box@dir\dtou
 324     \else\if #1u\relax\let\box@dir\utod
 325     \fi\fi\fi\fi
 326   \fi
 327   \ifx\box@dir\relax
 328     \ifcase\ltjgetparameter{direction}\relax
 329        \or   \let\box@dir\dtou
 330        \or\or\let\box@dir\tate
 331        \or   \let\box@dir\yoko
 332        \else \let\box@dir\utod
 333     \fi
 334   \fi
 335   \setbox\@tempboxa\vbox\bgroup\box@dir
 336     \adjustbaseline
 337     \color@begingroup
 338       \hsize\@tempdima
 339       \textwidth\hsize \columnwidth\hsize
 340       \@parboxrestore
 341       \def\@mpfn{mpfootnote}\def\thempfn{\thempfootnote}%
 342       \c@mpfootnote\z@
 343       \let\@footnotetext\@mpfootnotetext
 344       \let\@listdepth\@mplistdepth \@mplistdepth\z@
 345       \@minipagerestore
 346       \@setminipage}
 347 \def\endminipage{%
 348     \par
 349     \unskip
 350     \ifvoid\@mpfootins\else
 351       \vskip\skip\@mpfootins
 352       \normalcolor
 353       \footnoterule
 354       \unvbox\@mpfootins
 355     \fi
 356     \@minipagefalse   %% added 24 May 89
 357   \color@endgroup
 358   \egroup
 359   \expandafter\@iiiparbox\@mpargs{\unvbox\@tempboxa}\egroup}
 360 \DeclareRobustCommand\parbox{\@ifnextchar<%>
 361    {\X@parbox}{\X@parbox<Z>}}
 362 \def\X@parbox<#1>{\@ifnextchar[%]
 363    {\@iparbox<#1>}{\@iiiparbox<#1>{c}\relax[s]}}
 364 \def\@iparbox<#1>[#2]{\@ifnextchar[%]
 365    {\@iiparbox<#1>{#2}}{\@iiiparbox<#1>{#2}\relax[s]}}
 366 \def\@iiparbox<#1>#2[#3]{\@ifnextchar[%]%
 367    {\@iiiparbox<#1>{#2}{#3}}{\@iiiparbox<#1>{#2}{#3}[#2]}}
 368 \long\def\@iiiparbox<#1>#2#3[#4]#5#6{%
 369   \leavevmode
 370   \setlength\@tempdima{#5}%
 371   \fork@parbox@option<#1>[#2]%
 372   \@begin@tempboxa\vbox{\box@dir
 373     \hsize\@tempdima\@parboxrestore\adjustbaseline#6\@@par}%
 374     \ifx\relax#3\else
 375       \setlength\@tempdimb{#3}%
 376       \edef\@parboxto{to\the\@tempdimb}%
 377     \fi
 378     \@begin@parbox\@parboxto{\box@dir\adjustbaseline
 379        \let\hss\vss\let\unhbox\unvbox
 380        \csname bm@#4\endcsname}\@end@parbox
 381   \@end@tempboxa}
 382
 383
 384 % ↓中身＼周囲→　yoko  tate  utod  dtou
 385 % yoko          A*    B*    B     B
 386 % tate          B*    A*    D     C
 387 % utod          B     D*    A     C
 388 % dtou          B     C     C     A
 389 % A: 周囲と中身の組方向が一致．そのまま \vtop/\vcenter/\vbox
 390 % 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
 391 % C: 周囲と中身が180度ずれ．（コードは B のものを流用）
 392 % 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）
 393
 394 \def\fork@parbox@option@@A#1{%
 395   \let\@end@parbox\relax
 396   \if #1t\relax     \let\@begin@parbox\vtop
 397   \else\if #1b\relax\let\@begin@parbox\vbox
 398   \else
 399     \ifmmode
 400       \let\@begin@parbox\vcenter\let\@end@parbox\relax
 401     \else
 402       \def\@begin@parbox{\null$\vcenter}%
 403       \def\@end@parbox{\m@th$\null}%
 404     \fi
 405   \fi\fi}
 406 \def\lltjext@getjablshift{%
 407   \ifnum\ltj@ext@dir=3 \ltjgetparameter{tjabaselineshift}\else
 408   \ltjgetparameter{yjabaselineshift}\fi}
 409 \def\fork@parbox@option@@B#1{%
 410   \if #1t\relax
 411     \def\@begin@parbox{\raise\dimexpr\cht-\lltjext@getjablshift\vtop\bgroup\kern\z@\vbox}%
 412     \let\@end@parbox\egroup
 413   \else\if #1b\relax
 414     \def\@begin@parbox{\lower\dimexpr\cdp+\lltjext@getjablshift\vbox\bgroup\vbox}%
 415     \def\@end@parbox{\kern\z@\egroup}%
 416   \else
 417     \ifmmode
 418       \let\@begin@parbox\vcenter\let\@end@parbox\relax
 419     \else
 420       \def\@begin@parbox{\null$\vcenter}%
 421       \def\@end@parbox{\m@th$\null}%
 422     \fi
 423   \fi\fi}
 424 \let\fork@parbox@option@@C=\fork@parbox@option@@B
 425 \def\fork@parbox@option<#1>[#2]{%
 426   \let\box@dir\relax \ltj@ext@dir=\ltjgetparameter{direction}\relax
 427   \if #1z\relax
 428     \ifnum\ltj@ext@dir=3\relax
 429       \let\box@dir\utod
 430     \fi
 431   \else
 432     \if #1y\relax     \let\box@dir\yoko
 433     \else\if #1t\relax\let\box@dir\tate
 434     \else\if #1d\relax\let\box@dir\dtou
 435     \else\if #1u\relax\let\box@dir\utod
 436     \fi\fi\fi\fi
 437   \fi
 438   \ifx\box@dir\relax
 439     \ifcase\ltj@ext@dir
 440        \or   \let\box@dir\dtou
 441        \or\or\let\box@dir\tate
 442        \or   \let\box@dir\yoko
 443        \else \let\box@dir\utod
 444     \fi
 445   \fi
 446 \ifnum\ltj@ext@dir=4 % yoko
 447   \ifx\box@dir\yoko      \fork@parbox@option@@A{#2}%
 448   \else                  \fork@parbox@option@@B{#2}%
 449   \fi
 450 \else\ifnum\ltj@ext@dir=1 % dtou
 451   \ifx\box@dir\yoko      \fork@parbox@option@@B{#2}%
 452   \else\ifx\box@dir\dtou \fork@parbox@option@@A{#2}%
 453   \else                  \fork@parbox@option@@C{#2}%
 454   \fi\fi
 455 \else\ifnum\ltj@ext@dir=3 % tate
 456   \ifx\box@dir\yoko      \fork@parbox@option@@B{#2}%
 457   \else\ifx\box@dir\tate \fork@parbox@option@@A{#2}%
 458   \else\ifx\box@dir\dtou \fork@parbox@option@@C{#2}%
 459   \else                  \fork@parbox@option@@B{#2}% D
 460   \fi\fi\fi
 461 \else % utod
 462   \ifx\box@dir\yoko      \fork@parbox@option@@B{#2}%
 463   \else\ifx\box@dir\utod \fork@parbox@option@@A{#2}%
 464   \else\ifx\box@dir\dtou \fork@parbox@option@@C{#2}%
 465   \else                  \fork@parbox@option@@B{#2}% D
 466   \fi\fi\fi
 467 \fi\fi\fi}
 468
 469 %%% pbox
 470 \DeclareRobustCommand\pbox{\leavevmode\@ifnextchar<{\X@makePbox}{\X@makePbox<Z>}}
 471 \def\X@makePbox<#1>{%
 472   \@ifnextchar[{\@imakePbox<#1>}{\@imakePbox<#1>[-5\p@]}}
 473 \def\@imakePbox<#1>[#2]{\@ifnextchar[%]
 474   {\@iimakePbox<#1>{#2}}{\@iimakePbox<#1>{#2}[c]}}
 475 \def\@iimakePbox<#1>#2[#3]#4{%
 476   \bgroup\let\box@dir\relax
 477   \if #1z\relax
 478     \ifnum\ltjgetparameter{direction}=3 \relax
 479       \let\box@dir\utod
 480     \fi
 481   \else
 482     \if #1y\relax     \let\box@dir\yoko
 483     \else\if #1t\relax\let\box@dir\tate
 484     \else\if #1d\relax\let\box@dir\dtou
 485     \else\if #1u\relax\let\box@dir\utod
 486     \fi\fi\fi\fi
 487   \fi
 488   \ifx\box@dir\relax
 489     \ifcase\ltjgetparameter{direction}
 490        \or   \let\box@dir\dtou
 491        \or\or\let\box@dir\tate
 492        \or   \let\box@dir\yoko
 493        \else \let\box@dir\utod
 494     \fi
 495   \fi
 496     \setlength{\@tempdima}{#2}%
 497     \ifdim\@tempdima<\z@ \hbox{\box@dir#4}\else
 498     \hb@xt@\@tempdima{\box@dir
 499                \if #3l\relax\else\hss\fi
 500                #4\relax
 501                \if #3r\relax\else\hss\fi}\fi\egroup}
 502
 503 %%% picture
 504 \def\picture{\@ifnextchar<%>
 505    {\X@picture}{\X@picture<Z>}}
 506 \def\X@picture<#1>(#2,#3){\@ifnextchar(%)
 507    {\@@picture<#1>(#2,#3)}{\@@picture<#1>(#2,#3)(0,0)}}
 508 \newdimen\@picwd
 509 \def\ltj@@pic@reset@blshift{%
 510   \ltj@yablshift\z@\ltj@ykblshift\z@
 511   \ltj@tablshift\z@\ltj@tkblshift\z@
 512 }%
 513 \def\@@picture<#1>(#2,#3)(#4,#5){%
 514   \edef\ltj@@pic@save@blshift{%
 515     \noexpand\ltj@yablshift\the\ltj@yablshift\noexpand\relax
 516     \noexpand\ltj@ykblshift\the\ltj@ykblshift\noexpand\relax
 517     \noexpand\ltj@tablshift\the\ltj@tablshift\noexpand\relax
 518     \noexpand\ltj@tkblshift\the\ltj@tkblshift\noexpand\relax
 519   }%
 520   \bgroup\let\box@dir\relax
 521   \if #1z\relax
 522     \ifnum\ltjgetparameter{direction}=3 \relax
 523       \let\box@dir\utod
 524     \fi
 525   \else
 526     \if #1y\relax     \let\box@dir\yoko
 527     \else\if #1t\relax\let\box@dir\tate
 528     \else\if #1d\relax\let\box@dir\dtou
 529     \else\if #1u\relax\let\box@dir\utod
 530     \fi\fi\fi\fi
 531   \fi
 532   \ifx\box@dir\relax
 533     \ifcase\ltjgetparameter{direction}
 534        \or   \let\box@dir\dtou
 535        \or\or\let\box@dir\tate
 536        \or   \let\box@dir\yoko
 537        \else \let\box@dir\utod
 538     \fi
 539   \fi
 540   \@picwd=#2\unitlength \@picht=#3\unitlength
 541   \setbox\@picbox\hbox to\@picwd\bgroup\box@dir
 542   \hskip-#4\unitlength\lower#5\unitlength\hbox\bgroup
 543   \ltj@@pic@reset@blshift
 544   \ignorespaces}
 545 \def\endpicture{%
 546   \egroup\hss\egroup
 547   \setbox0=\hbox{\box@dir%
 548     \ltjsetht\@picbox\@picht \ltjsetdp\@picbox\z@
 549   }%
 550   \@tempswafalse
 551   \ifnum\ltjgetparameter{direction}=3  \@tempswatrue\fi
 552   \ifnum\ltjgetparameter{direction}=11  \@tempswatrue\fi
 553   \if@tempswa
 554     \ifx\box@dir\yoko % この場合だけ垂直位置補正が必要
 555      \ltjsetht\@picbox\dimexpr\ltjgetht\@picbox+\ltjgetdp\@picbox\relax
 556       \ltjsetdp\@picbox\z@
 557     \fi
 558   \fi
 559   \mbox{\box\@picbox}%
 560   \egroup\ltj@@pic@save@blshift}
 561 \let\org@put\put
 562 \def\put{\ltj@@pic@reset@blshift\org@put}
 563 \let\org@line\line
 564 \def\line{\ltj@@pic@reset@blshift\org@line}
 565 \let\org@vector\vector
 566 \def\vector{\ltj@@pic@reset@blshift\org@vector}
 567 \let\org@dashbox\dashbox
 568 \def\dashbox{\ltj@@pic@reset@blshift\org@dashbox}
 569 \let\org@oval\oval
 570 \def\oval{\ltj@@pic@reset@blshift\org@oval}
 571 \let\org@circle\circle
 572 \def\circle{\ltj@@pic@reset@blshift\org@circle}
 573
 574 %%% rensuji
 575 \newif\ifnot@advanceline
 576 \newskip\rensujiskip
 577 \rensujiskip=0.25\chs plus.25\zw minus.25\zw
 578 \DeclareRobustCommand\rensuji{%
 579   \@ifstar{\not@advancelinetrue\@rensuji}{\@rensuji}}
 580 \def\@rensuji{\@ifnextchar[{\@@rensuji}{\@@rensuji[c]}}
 581 \def\@@rensuji[#1]#2{%
 582   \ifvmode\leavevmode\fi
 583   \ifnum\ltjgetparameter{direction}=4\relax\hbox{#2}\else
 584   \hskip\rensujiskip
 585   \setbox\tw@\hbox{漢}% 「あ」では仮名書体使用時がまずそう
 586   \@tempdimb\ltjgetht\tw@ \advance\@tempdimb\ltjgetdp\tw@
 587   \ifnot@advanceline\not@advancelinefalse\else
 588     \setbox\z@\hbox{\yoko#2}%
 589     \@tempdima\ltjgetht\z@ \advance\@tempdima\ltjgetdp\z@
 590     \ifnum\ltjgetparameter{direction}=1\relax
 591       % 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．
 592       \if #1c\relax\vrule \@width \z@ \@height\dimexpr.5\@tempdima+.5\ltjgetht\tw@-.5\ltjgetdp\tw@
 593                           \@depth\dimexpr.5\@tempdima-.5\ltjgetht\tw@+.5\ltjgetdp\tw@
 594       \else\if #1l\relax\vrule\@width \z@\@height\ltjgetht\tw@ \@depth\dimexpr\@tempdima-\ltjgetht\tw@
 595       \else\vrule\@width \z@ \@height\dimexpr\@tempdima-\ltjgetdp\tw@ \@depth\ltjgetdp\tw@
 596       \fi\fi
 597     \else
 598       % 周囲が tate, utod の場合も同じ
 599       \if #1c\relax\vrule \@width \z@ \@height\dimexpr.5\@tempdima+.5\ltjgetht\tw@-.5\ltjgetdp\tw@
 600                           \@depth\dimexpr.5\@tempdima-.5\ltjgetht\tw@+.5\ltjgetdp\tw@
 601       \else\if #1r\relax\vrule\@width \z@\@height\ltjgetht\tw@ \@depth\dimexpr\@tempdima-\ltjgetht\tw@
 602       \else\vrule\@width \z@ \@height\dimexpr\@tempdima-\ltjgetdp\tw@ \@depth\ltjgetdp\tw@
 603       \fi\fi
 604     \fi
 605   \fi
 606   \ifnum\ltjgetparameter{direction}=1\relax
 607     \if #1c\relax\hbox to\@tempdimb{\yoko\hss#2\hss\kern-\ltjgetdp\tw@}%
 608     \else\if #1r\relax\vbox{\hbox to\@tempdimb{\yoko\hss#2\kern-\ltjgetdp\tw@}}%
 609     \else\lower\ltjgetdp\tw@\vtop{\hbox to\@tempdimb{\yoko#2\hss}}%
 610     \fi\fi
 611   \else
 612     \if #1c\relax\raise\dimexpr.5\@tempdimb-\ltjgetdp\tw@
 613         \hbox to\@tempdimb{\yoko \hss#2\hss}%
 614     \else\if #1r\relax\raise\dimexpr.5\@tempdimb-\ltjgetdp\tw@
 615         \vbox{\hbox to\@tempdimb{\yoko\hss#2}}%
 616     \else\raise\dimexpr.5\@tempdimb-\ltjgetdp\tw@
 617          \vtop{\hbox to\@tempdimb{\yoko #2\hss}}%
 618     \fi\fi
 619   \fi
 620   \hskip\rensujiskip
 621 \fi}
 622 \let\Rensuji\rensuji
 623 \let\prensuji\rensuji
 624
 625 %%% kanji
 626 \def\Kanji#1{\expandafter\@Kanji\csname c@#1\endcsname}
 627 \def\@Kanji#1{\kansuji #1}
 628 \def\kanji{\ifnum\ltjgetparameter{direction}=3 \expandafter\kansuji\fi}
 629
 630 %%% bou
 631 %%%
 632 \def\boutenchar{\char\euc"A1A2}%"
 633 \def\bou#1{\ifvmode\leavevmode\fi\@bou#1\end}
 634 \def\@bou#1{%
 635   \ifx#1\end \let\ltj@@next=\relax
 636   \else
 637     \ifnum\ltjgetparameter{direction}=3\relax
 638       \hbox to\z@{\vbox to\z@{\boxmaxdepth\maxdimen
 639         \vss\moveleft0.2\zw\hbox{\yoko\boutenchar}\nointerlineskip
 640         \hbox{\char\euc"A1A1}}\hss}\nobreak#1\relax
 641     \else
 642       \hbox to\z@{\vbox to\z@{\boxmaxdepth\maxdimen
 643         \vss\moveleft-0.2\zw\hbox{\boutenchar}\nointerlineskip
 644         \hbox{\char\euc"A1A1}}\hss}\nobreak#1\relax
 645     \fi
 646     \let\ltj@@next=\@bou
 647   \fi\ltj@@next}
 648
 649 %%% kasen
 650 \def\kasen#1{%
 651   \ifnum\ltjgetparameter{direction}=3\relax
 652     \setbox\z@\hbox{#1}\leavevmode\raise.7\zw
 653     \hbox to\z@{\vrule\@width\wd\z@ \@depth\z@ \@height.4\p@\hss}%
 654     \box\z@
 655   \else\underline{#1}\fi}
 656
 657 %%% references
 658 \def\@eqnnum{{\reset@font\rmfamily \normalcolor
 659   \ifnum\ltjgetparameter{direction}=11\raise.25\zh\hbox{\yoko(\theequation)}%
 660   \else (\theequation)\fi}}
 661 \def\@thecounter#1{\noexpand\rensuji{\noexpand\arabic{#1}}}
 662 \def\@thmcounter#1{\noexpand\rensuji{\noexpand\arabic{#1}}}
 663
 664 %% Compatibility with array package
 665
 666 \def\ltj@lltjext@patch@array{%
 667   \patchcmd{\@tabular}{\hbox\bgroup}{%
 668         \hbox\bgroup\ltj@ext@dir=\ltjgetparameter{direction}}{}{}
 669   \pretocmd{\array}%
 670         {\ltj@ext@dir=\ltjgetparameter{direction}\relax}{}{}
 671   \expandafter\let\csname tabular*\endcsname=\ltj@lltjext@orig@tabularS
 672   \patchcmd{\p@stabular}{\p@tabular}{\@tabular}{}{}
 673   \def\@startpbox##1{\bgroup
 674    \box@dir\adjustbaseline%%% これを追加
 675    \setlength\hsize{##1}\@arrayparboxrestore
 676      \everypar{%
 677         \vrule \@height \ltjgetht\@arstrutbox \@width \z@
 678         \everypar{}}%
 679      }
 680   \def\@tabarray{\@ifnextchar<\p@tabarray{\p@tabarray<z>}}
 681   \def\p@array<##1>[##2]##3{%
 682     \let\box@dir\relax
 683     \if ##1z\relax
 684       \ifnum\ltj@ext@dir=3\relax
 685         \let\box@dir\utod\@tempcnta=\zstrutbox
 686       \fi
 687     \else
 688       \if ##1y\relax
 689         \let\box@dir\yoko\@tempcnta=\ystrutbox
 690       \else\if ##1t\relax
 691         \let\box@dir\tate\@tempcnta=\tstrutbox
 692       \else\if ##1d\relax
 693          \let\box@dir\dtou\@tempcnta=\dstrutbox
 694       \else\if ##1u\relax
 695          \let\box@dir\utod\@tempcnta=\zstrutbox
 696       \fi\fi\fi\fi
 697     \fi
 698     \ifx\box@dir\relax
 699       \ifcase\ltj@ext@dir
 700          \or   \let\box@dir\dtou\@tempcnta=\dstrutbox% dtou
 701          \or\or\let\box@dir\tate\@tempcnta=\tstrutbox% tate
 702          \or   \let\box@dir\yoko\@tempcnta=\ystrutbox% yoko
 703          \else \let\box@dir\utod\@tempcnta=\zstrutbox% utod
 704       \fi
 705     \fi
 706     \setbox \@arstrutbox \hbox{\box@dir\vrule
 707                \@height \arraystretch
 708                  \dimexpr \ltjgetht\@tempcnta+\extrarowheight\relax
 709                \@depth \arraystretch \ltjgetdp \@tempcnta
 710                \@width \z@}%
 711     \fork@array@option<##1>[##2]%
 712     \begingroup
 713     \@mkpream{##3}%
 714     \xdef\@preamble{\ialign \noexpand \@halignto
 715                     \bgroup \tabskip \z@skip \@arstrut \@preamble
 716                             \tabskip \z@ \cr}%
 717     \endgroup
 718     \@arrayleft
 719     \@begin@alignbox\bgroup\box@dir\adjustbaseline
 720       \let\par\@empty
 721       \let\@sharp####\let\protect\relax
 722       \let\\\@arraycr\let\tabularnewline\\\let\par\@empty
 723      \lineskip\z@skip\baselineskip\z@skip\@preamble}
 724   \def\endarray{\crcr\egroup\egroup\@end@alignbox\@arrayright}
 725 }
 726
 727 \@ifpackageloaded{array}{%
 728   \let\tabular=\ltj@lltjext@orig@tabular
 729   \let\array=\ltj@lltjext@orig@array
 730   \ltj@lltjext@patch@array
 731 }{%
 732   \let\ltj@lltjext@orig@tabular\relax
 733   \let\ltj@lltjext@orig@array\relax
 734   \RequirePackage{filehook,etoolbox}
 735   \AtEndOfPackageFile{array}{\ltj@lltjext@patch@array}
 736 }
 737
 738 %%%%%%%%%%%%%%%% LuaTeX-ja original
 739
 740 %%\define@key[ltj]{japaram}{autouprightnum}{%      %COUNT
 741 %%  \ltj@@set@stack{AURN}{0}{10000}\z@#1 }
 742
 743 \endinput