src/lltjext.sty

   1 %
   2 % lltjext.sty: derived from plext.sty in pLaTeX.
   3 %
   4
   5 \NeedsTeXFormat{LaTeX2e}
   6 \ProvidesPackage{lltjext}[2017/07/26 v1.2g-ltj-7 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    {\@stabular}{\@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\@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}$\let\@acol\@tabacol
  32    \let\@classz\@tabclassz
  33    \let\@classiv\@tabclassiv \let\\\@tabularcr\p@tabarray<#1>}
  34 \def\p@tabarray<#1>{\m@th\@ifnextchar[%]
  35    {\p@array<#1>}{\p@array<#1>[c]}}
  36
  37 \def\p@array<#1>[#2]#3{%
  38   \let\box@dir\relax
  39   \if #1z\relax
  40     \ifnum\ltj@ext@dir=3\relax
  41       \let\box@dir\utod\@tempcnta=\zstrutbox
  42     \fi
  43   \else
  44     \if #1y\relax
  45        \let\box@dir\yoko\@tempcnta=\ystrutbox
  46     \else\if #1t\relax
  47        \let\box@dir\tate\@tempcnta=\tstrutbox
  48     \else\if #1d\relax
  49        \let\box@dir\dtou\@tempcnta=\dstrutbox
  50     \else\if #1u\relax
  51        \let\box@dir\utod\@tempcnta=\zstrutbox
  52     \fi\fi\fi\fi
  53   \fi
  54   \ifx\box@dir\relax
  55     \ifcase\ltj@ext@dir
  56        \or   \let\box@dir\dtou\@tempcnta=\dstrutbox% dtou
  57        \or\or\let\box@dir\tate\@tempcnta=\tstrutbox% tate
  58        \or   \let\box@dir\yoko\@tempcnta=\ystrutbox% yoko
  59        \else \let\box@dir\utod\@tempcnta=\zstrutbox% utod
  60     \fi
  61   \fi
  62   \setbox\@arstrutbox\hbox{%
  63     \box@dir
  64     \vrule\@height\arraystretch\ltjgetht\@tempcnta
  65           \@depth\arraystretch\ltjgetdp\@tempcnta \@width\z@}%
  66   \fork@array@option<#1>[#2]%
  67   \@mkpream{#3}\edef\@preamble{\ialign \noexpand\@halignto
  68   \bgroup\@arstrut \@preamble \tabskip\z@skip \cr}%
  69   \let\@startpbox\@@startpbox \let\@endpbox\@@endpbox
  70   \let\tabularnewline\\%
  71   \@begin@alignbox\bgroup\box@dir\adjustbaseline
  72     \let\par\@empty
  73     \let\@sharp##\let\protect\relax
  74     \lineskip\z@skip\baselineskip\z@skip\@preamble}
  75 \def\endarray{\crcr\egroup\egroup\@end@alignbox}
  76 \def\endtabular{\endarray$\egroup}
  77 \expandafter \let \csname endtabular*\endcsname = \endtabular
  78 % ↓中身＼周囲→　yoko  tate  utod  dtou
  79 % yoko          A*    B*    B     B
  80 % tate          B*    A*    D     C
  81 % utod          B     D*    A     C
  82 % dtou          B     C     C     A
  83 % A: 周囲と中身の組方向が一致．そのまま \vtop/\vcenter/\vbox
  84 % 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
  85 % C: 周囲と中身が180度ずれ．\vtop, \vbox 入れ替え
  86 % D: 欧文ベースライン同士を揃えるようにする
  87
  88 \def\fork@array@option@@A#1{%
  89   \let\@end@alignbox\relax
  90   \if #1t\relax     \let\@begin@alignbox\vtop
  91   \else\if #1b\relax\let\@begin@alignbox\vbox
  92   \else             \let\@begin@alignbox\vcenter
  93   \fi\fi}
  94 \def\fork@array@option@@B#1{%
  95   \if #1t\relax
  96     \def\@begin@alignbox{\vtop\bgroup\kern\z@\vbox}%
  97     \let\@end@alignbox\egroup
  98   \else\if #1b\relax
  99     \def\@begin@alignbox{\vbox\bgroup\vbox}%
 100     \def\@end@alignbox{\kern\z@\egroup}%
 101   \else
 102     \let\@begin@alignbox\vcenter
 103     \let\@end@alignbox\relax
 104   \fi\fi}
 105 \def\fork@array@option@@C#1{%
 106   \let\@end@alignbox\relax
 107   \if #1t\relax     \let\@begin@alignbox\vbox
 108   \else\if #1b\relax\let\@begin@alignbox\vtop
 109   \else             \let\@begin@alignbox\vcenter
 110   \fi\fi}
 111 \def\fork@array@option<#1>[#2]{%
 112 \ifnum\ltj@ext@dir=4 % yoko
 113   \ifx\box@dir\yoko      \fork@array@option@@A{#2}%
 114   \else                  \fork@array@option@@B{#2}%
 115   \fi
 116 \else\ifnum\ltj@ext@dir=1 % dtou
 117   \ifx\box@dir\yoko      \fork@array@option@@B{#2}%
 118   \else\ifx\box@dir\dtou \fork@array@option@@A{#2}%
 119   \else                  \fork@array@option@@C{#2}%
 120   \fi\fi
 121 \else\ifnum\ltj@ext@dir=3 % tate
 122   \ifx\box@dir\yoko      \fork@array@option@@B{#2}%
 123   \else\ifx\box@dir\tate \fork@array@option@@A{#2}%
 124   \else\ifx\box@dir\dtou \fork@array@option@@C{#2}%
 125   \else
 126     \if #2t\relax
 127       \def\@begin@alignbox{\lower\dimexpr
 128          \ltjgetparameter{talbaselineshift}-\ltjgetparameter{yalbaselineshift}\vtop}
 129       \let\@end@alignbox\relax
 130     \else\if #2b\relax
 131       \def\@begin@alignbox{\lower\dimexpr
 132          \ltjgetparameter{talbaselineshift}-\ltjgetparameter{yalbaselineshift}\vbox}
 133       \let\@end@alignbox\relax
 134     \else
 135       \let\@begin@alignbox\vcenter
 136       \let\@end@alignbox\relax
 137     \fi\fi
 138   \fi\fi\fi
 139 \else % utod
 140   \ifx\box@dir\yoko      \fork@array@option@@B{#2}%
 141   \else\ifx\box@dir\utod \fork@array@option@@A{#2}%
 142   \else\ifx\box@dir\dtou \fork@array@option@@C{#2}%
 143   \else
 144     \if #2t\relax
 145       \def\@begin@alignbox{\lower\dimexpr
 146          \ltjgetparameter{yalbaselineshift}-\ltjgetparameter{talbaselineshift}\vtop}
 147       \let\@end@alignbox\relax
 148     \else\if #2b\relax
 149       \def\@begin@alignbox{\lower\dimexpr
 150          \ltjgetparameter{yalbaselineshift}-\ltjgetparameter{talbaselineshift}\vbox}
 151       \let\@end@alignbox\relax
 152     \else
 153       \let\@begin@alignbox\vcenter
 154       \let\@end@alignbox\relax
 155     \fi\fi
 156   \fi\fi\fi
 157 \fi\fi\fi}
 158
 159 %%% caption
 160 \newbox\@floatbox
 161 \newdimen\floatwidth
 162 \newdimen\floatheight
 163 \newdimen\floatruletick \floatruletick=0.4pt
 164 \newdimen\captionfloatsep \captionfloatsep=10pt
 165 \def\caption@dir{Z}
 166 \let\captiondir\relax
 167 \newdimen\captionwidth \captionwidth\z@
 168 \def\caption@posa{Z}
 169 \def\caption@posb{Z}
 170 \newbox\@captionbox
 171 \def\captionfontsetup{\normalfont\normalsize}
 172 \def\layoutfloat{\@ifnextchar(%)
 173    {\X@layoutfloat}{\X@layoutfloat(-5\p@,-5\p@)}}
 174 \def\X@layoutfloat(#1,#2){\@ifnextchar[%]
 175    {\@layoutfloat(#1,#2)}{\@layoutfloat(#1,#2)[c]}}
 176 \long\def\@layoutfloat(#1,#2)[#3]#4{%
 177   \setbox\z@\hbox{#4}%
 178   \floatwidth=#1 \floatheight=#2 \edef\float@pos{#3}%
 179   \ifdim\floatwidth<\z@
 180      \floatwidth\ltjgetwd\z@\floatruletick\z@
 181   \fi
 182   \ifdim\floatheight<\z@
 183      \floatheight\ltjgetht\z@\advance\floatheight\ltjgetdp\z@\relax
 184      \floatruletick\z@
 185   \fi
 186   \setbox\@floatbox\vbox to\floatheight{\offinterlineskip
 187     \hrule width\floatwidth height\floatruletick depth\z@
 188     \vss\hbox to\floatwidth{%
 189       \vrule width\floatruletick height\floatheight depth\z@
 190       \hss\vbox to\floatheight{\hsize\floatwidth\vss#4\vss}\hss
 191       \vrule width\floatruletick height\floatheight depth\z@
 192     }\hrule width\floatwidth height\floatruletick depth\z@}}
 193 \def\DeclareLayoutCaption#1<#2>(#3)[#4#5]{%
 194   \expandafter
 195   \ifx\csname #1@layoutcaption\endcsname\relax \else
 196     \@latex@info{Redeclaring capiton layout setting of '#1'}%
 197   \fi
 198   \expandafter
 199   \gdef\csname #1@layoutcaption\endcsname{%
 200      \if Z\caption@dir\def\caption@dir{#2}\fi
 201      \ifdim\captionwidth=\z@ \captionwidth=#3\relax\fi
 202      \if Z\caption@posa\def\caption@posa{#4}\fi
 203      \if Z\caption@posb\def\caption@posb{#5}\fi}}
 204 \@onlypreamble\DeclareLayoutCaption
 205 \DeclareLayoutCaption{figure}<y>(.8\linewidth)[cd]
 206 \DeclareLayoutCaption{table}<y>(.8\linewidth)[cu]
 207 \def\layoutcaption{\def\caption@dir{Z}\captionwidth\z@
 208   \def\caption@posa{Z}\def\caption@posb{Z}%
 209   \@ifnextchar<\X@layoutcaption{%
 210     \@ifnextchar(\@ilayoutcaption{%
 211       \@ifnextchar[\@iilayoutcaption\relax}}}
 212 \def\X@layoutcaption<#1>{\def\caption@dir{#1}%
 213   \@ifnextchar(\@ilayoutcaption{%
 214     \@ifnextchar[\@iilayoutcaption\relax}}
 215 \def\@ilayoutcaption(#1){\setlength\captionwidth{#1}%
 216   \@ifnextchar[{\@iilayoutcaption}{\relax}}
 217 \def\@iilayoutcaption[#1#2]{%
 218   \def\caption@posa{#1}\def\caption@posb{#2}}
 219 \def\pcaption{\refstepcounter\@captype \@dblarg{\@pcaption\@captype}}
 220 \long\def\@pcaption#1[#2]#3{%
 221   \addcontentsline{\csname ext@#1\endcsname}{#1}{%
 222     \protect\numberline{\csname the#1\endcsname}{\ignorespaces#2}}%
 223   \ifvoid\@floatbox
 224      \latex@error{Use with `\protect\layoutfloat'.}\@eha
 225   \fi
 226   \make@pcaptionbox{#3}%
 227   \@pboxswfalse
 228   \setbox\@tempboxa\vbox{\hbox to\hsize{\if l\float@pos\else\hss\fi
 229     \if l\caption@posb\box\@captionbox\kern\captionfloatsep\fi
 230     \if t\caption@posa\vtop
 231     \else\if b\caption@posa\vbox
 232     \else\ifmmode\vcenter \else\@pboxswtrue $\vcenter \fi\fi\fi
 233     {\if u\caption@posb\box\@captionbox\kern\captionfloatsep\fi
 234      \unvbox\@floatbox
 235      \if d\caption@posb\kern\captionfloatsep\box\@captionbox\fi}%
 236     \if r\caption@posb\kern\captionfloatsep\box\@captionbox\fi
 237     \if@pboxsw \m@th$\fi \if r\float@pos\else\hss\fi}}%
 238   \par\vskip.25\baselineskip
 239   \box\@tempboxa}
 240 \def\make@pcaptionbox#1{%
 241   \expandafter
 242   \ifx\csname\@captype @layoutcaption\endcsname\relax
 243      \@latex@warning{Default caption layout of `\@captype' unknown.}%
 244        \def\caption@dir{Z}\captionwidth\z@
 245        \def\caption@posa{Z}\def\caption@posb{Z}%
 246   \else
 247      \csname \@captype @layoutcaption\endcsname
 248   \fi
 249   \@tempswafalse
 250   % \@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？
 251   \if y\caption@dir \let\captiondir\yoko
 252     \ifodd\ltjgetparameter{direction}\relax\@tempswatrue\fi
 253   \else\if z\caption@dir \let\captiondir\relax
 254     \ifnum\ltjgetparameter{direction}=3\relax\let\captiondir\utod\fi
 255   \else\if d\caption@dir \let\captiondir\dtou
 256     \ifodd\ltjgetparameter{direction}\else\@tempswatrue\fi
 257   \else\if u\caption@dir \let\captiondir\utod
 258     \ifodd\ltjgetparameter{direction}\else\@tempswatrue\fi
 259   \else\if t\caption@dir \let\captiondir\tate
 260     \ifodd\ltjgetparameter{direction}\else\@tempswatrue\fi
 261   \fi\fi\fi\fi\fi
 262   \setbox0\hbox{\hbox{\captiondir
 263      \captionfontsetup\parindent\z@\inhibitglue
 264      \csname fnum@\@captype\endcsname 　#1}}%"
 265   \if@tempswa\@tempdima\ltjgetht0\relax\else\@tempdima\ltjgetwd0\relax\fi
 266   \ifdim\@tempdima>\captionwidth \@tempdima\captionwidth \fi
 267   \@pboxswfalse
 268   \setbox0\hbox{%
 269     \if u\caption@posb\vbox
 270     \else\if d\caption@posb\vbox
 271     \else\if t\caption@posa\vtop
 272     \else\if b\caption@posa\vbox
 273     \else\ifmmode\vcenter\else\@pboxswtrue $\vcenter\fi
 274     \fi\fi\fi\fi
 275     {\hsize\@tempdima\kern\z@
 276     \vbox{\captiondir\hsize\@tempdima
 277       \captionfontsetup\parindent\z@\inhibitglue
 278       \csname fnum@\@captype\endcsname 　#1}\kern\z@
 279     }\if@pboxsw \m@th$\fi}%
 280   \let\to@captionboxwidth\relax
 281   \if l\caption@posb \else\if r\caption@posb\else
 282   \def\to@captionboxwidth{to\floatwidth}\fi\fi
 283   \setbox\@captionbox\hbox\to@captionboxwidth{%
 284      \if t\caption@posa\else\hss\fi
 285      \unhbox0\relax
 286      \if b\caption@posa\else\hss\fi}}
 287
 288 %%% minipage and parbox
 289 \def\minipage{\@ifnextchar<%>
 290    {\X@minipage}{\X@minipage<Z>}}
 291 \def\X@minipage<#1>{\@ifnextchar[%]
 292    {\@iminipage<#1>}{\@iiiminipage<#1>{c}\relax[s]}}
 293 \def\@iminipage<#1>[#2]{\@ifnextchar[%]
 294    {\@iiminipage<#1>{#2}}{\@iiiminipage<#1>{#2}\relax[s]}}
 295 \def\@iiminipage<#1>#2[#3]{\@ifnextchar[%]
 296    {\@iiiminipage<#1>{#2}{#3}}{\@iiiminipage<#1>{#2}{#3}[#2]}}
 297 \def\@iiiminipage<#1>#2#3[#4]#5{%
 298   \leavevmode\bgroup
 299   \setlength\@tempdima{#5}%
 300   \def\@mpargs{<#1>{#2}{#3}[#4]{#5}}%
 301   \let\box@dir\relax
 302   \if #1z\relax
 303     \ifnum\ltjgetparameter{direction}=3\relax
 304       \let\box@dir\utod
 305     \fi
 306   \else
 307     \if #1y\relax     \let\box@dir\yoko
 308     \else\if #1t\relax\let\box@dir\tate
 309     \else\if #1d\relax\let\box@dir\dtou
 310     \else\if #1u\relax\let\box@dir\utod
 311     \fi\fi\fi\fi
 312   \fi
 313   \ifx\box@dir\relax
 314     \ifcase\ltjgetparameter{direction}\relax
 315        \or   \let\box@dir\dtou
 316        \or\or\let\box@dir\tate
 317        \or   \let\box@dir\yoko
 318        \else \let\box@dir\utod
 319     \fi
 320   \fi
 321   \setbox\@tempboxa\vbox\bgroup\box@dir
 322     \adjustbaseline
 323     \color@begingroup
 324       \hsize\@tempdima
 325       \textwidth\hsize \columnwidth\hsize
 326       \@parboxrestore
 327       \def\@mpfn{mpfootnote}\def\thempfn{\thempfootnote}%
 328       \c@mpfootnote\z@
 329       \let\@footnotetext\@mpfootnotetext
 330       \let\@listdepth\@mplistdepth \@mplistdepth\z@
 331       \@minipagerestore
 332       \@setminipage}
 333 \def\endminipage{%
 334     \par
 335     \unskip
 336     \ifvoid\@mpfootins\else
 337       \vskip\skip\@mpfootins
 338       \normalcolor
 339       \footnoterule
 340       \unvbox\@mpfootins
 341     \fi
 342     \@minipagefalse   %% added 24 May 89
 343   \color@endgroup
 344   \egroup
 345   \expandafter\@iiiparbox\@mpargs{\unvbox\@tempboxa}\egroup}
 346 \DeclareRobustCommand\parbox{\@ifnextchar<%>
 347    {\X@parbox}{\X@parbox<Z>}}
 348 \def\X@parbox<#1>{\@ifnextchar[%]
 349    {\@iparbox<#1>}{\@iiiparbox<#1>{c}\relax[s]}}
 350 \def\@iparbox<#1>[#2]{\@ifnextchar[%]
 351    {\@iiparbox<#1>{#2}}{\@iiiparbox<#1>{#2}\relax[s]}}
 352 \def\@iiparbox<#1>#2[#3]{\@ifnextchar[%]%
 353    {\@iiiparbox<#1>{#2}{#3}}{\@iiiparbox<#1>{#2}{#3}[#2]}}
 354 \long\def\@iiiparbox<#1>#2#3[#4]#5#6{%
 355   \leavevmode
 356   \setlength\@tempdima{#5}%
 357   \fork@parbox@option<#1>[#2]%
 358   \@begin@tempboxa\vbox{\box@dir
 359     \hsize\@tempdima\@parboxrestore\adjustbaseline#6\@@par}%
 360     \ifx\relax#3\else
 361       \setlength\@tempdimb{#3}%
 362       \edef\@parboxto{to\the\@tempdimb}%
 363     \fi
 364     \@begin@parbox\@parboxto{\box@dir\adjustbaseline
 365        \let\hss\vss\let\unhbox\unvbox
 366        \csname bm@#4\endcsname}\@end@parbox
 367   \@end@tempboxa}
 368
 369
 370 % ↓中身＼周囲→　yoko  tate  utod  dtou
 371 % yoko          A*    B*    B     B
 372 % tate          B*    A*    D     C
 373 % utod          B     D*    A     C
 374 % dtou          B     C     C     A
 375 % A: 周囲と中身の組方向が一致．そのまま \vtop/\vcenter/\vbox
 376 % 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
 377 % C: 周囲と中身が180度ずれ．（コードは B のものを流用）
 378 % 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）
 379
 380 \def\fork@parbox@option@@A#1{%
 381   \let\@end@parbox\relax
 382   \if #1t\relax     \let\@begin@parbox\vtop
 383   \else\if #1b\relax\let\@begin@parbox\vbox
 384   \else
 385     \ifmmode
 386       \let\@begin@parbox\vcenter\let\@end@parbox\relax
 387     \else
 388       \def\@begin@parbox{\null$\vcenter}%
 389       \def\@end@parbox{\m@th$\null}%
 390     \fi
 391   \fi\fi}
 392 \def\lltjext@getjablshift{%
 393   \ifnum\ltj@ext@dir=3 \ltjgetparameter{tjabaselineshift}\else
 394   \ltjgetparameter{yjabaselineshift}\fi}
 395 \def\fork@parbox@option@@B#1{%
 396   \if #1t\relax
 397     \def\@begin@parbox{\raise\dimexpr\cht-\lltjext@getjablshift\vtop\bgroup\kern\z@\vbox}%
 398     \let\@end@parbox\egroup
 399   \else\if #1b\relax
 400     \def\@begin@parbox{\lower\dimexpr\cdp+\lltjext@getjablshift\vbox\bgroup\vbox}%
 401     \def\@end@parbox{\kern\z@\egroup}%
 402   \else
 403     \ifmmode
 404       \let\@begin@parbox\vcenter\let\@end@parbox\relax
 405     \else
 406       \def\@begin@parbox{\null$\vcenter}%
 407       \def\@end@parbox{\m@th$\null}%
 408     \fi
 409   \fi\fi}
 410 \let\fork@parbox@option@@C=\fork@parbox@option@@B
 411 \def\fork@parbox@option<#1>[#2]{%
 412   \let\box@dir\relax \ltj@ext@dir=\ltjgetparameter{direction}\relax
 413   \if #1z\relax
 414     \ifnum\ltj@ext@dir=3\relax
 415       \let\box@dir\utod
 416     \fi
 417   \else
 418     \if #1y\relax     \let\box@dir\yoko
 419     \else\if #1t\relax\let\box@dir\tate
 420     \else\if #1d\relax\let\box@dir\dtou
 421     \else\if #1u\relax\let\box@dir\utod
 422     \fi\fi\fi\fi
 423   \fi
 424   \ifx\box@dir\relax
 425     \ifcase\ltj@ext@dir
 426        \or   \let\box@dir\dtou
 427        \or\or\let\box@dir\tate
 428        \or   \let\box@dir\yoko
 429        \else \let\box@dir\utod
 430     \fi
 431   \fi
 432 \ifnum\ltj@ext@dir=4 % yoko
 433   \ifx\box@dir\yoko      \fork@parbox@option@@A{#2}%
 434   \else                  \fork@parbox@option@@B{#2}%
 435   \fi
 436 \else\ifnum\ltj@ext@dir=1 % dtou
 437   \ifx\box@dir\yoko      \fork@parbox@option@@B{#2}%
 438   \else\ifx\box@dir\dtou \fork@parbox@option@@A{#2}%
 439   \else                  \fork@parbox@option@@C{#2}%
 440   \fi\fi
 441 \else\ifnum\ltj@ext@dir=3 % tate
 442   \ifx\box@dir\yoko      \fork@parbox@option@@B{#2}%
 443   \else\ifx\box@dir\tate \fork@parbox@option@@A{#2}%
 444   \else\ifx\box@dir\dtou \fork@parbox@option@@C{#2}%
 445   \else                  \fork@parbox@option@@B{#2}% D
 446   \fi\fi\fi
 447 \else % utod
 448   \ifx\box@dir\yoko      \fork@parbox@option@@B{#2}%
 449   \else\ifx\box@dir\utod \fork@parbox@option@@A{#2}%
 450   \else\ifx\box@dir\dtou \fork@parbox@option@@C{#2}%
 451   \else                  \fork@parbox@option@@B{#2}% D
 452   \fi\fi\fi
 453 \fi\fi\fi}
 454
 455 %%% pbox
 456 \DeclareRobustCommand\pbox{\leavevmode\@ifnextchar<{\X@makePbox}{\X@makePbox<Z>}}
 457 \def\X@makePbox<#1>{%
 458   \@ifnextchar[{\@imakePbox<#1>}{\@imakePbox<#1>[-5\p@]}}
 459 \def\@imakePbox<#1>[#2]{\@ifnextchar[%]
 460   {\@iimakePbox<#1>{#2}}{\@iimakePbox<#1>{#2}[c]}}
 461 \def\@iimakePbox<#1>#2[#3]#4{%
 462   \bgroup\let\box@dir\relax
 463   \if #1z\relax
 464     \ifnum\ltjgetparameter{direction}=3 \relax
 465       \let\box@dir\utod
 466     \fi
 467   \else
 468     \if #1y\relax     \let\box@dir\yoko
 469     \else\if #1t\relax\let\box@dir\tate
 470     \else\if #1d\relax\let\box@dir\dtou
 471     \else\if #1u\relax\let\box@dir\utod
 472     \fi\fi\fi\fi
 473   \fi
 474   \ifx\box@dir\relax
 475     \ifcase\ltjgetparameter{direction}
 476        \or   \let\box@dir\dtou
 477        \or\or\let\box@dir\tate
 478        \or   \let\box@dir\yoko
 479        \else \let\box@dir\utod
 480     \fi
 481   \fi
 482     \setlength{\@tempdima}{#2}%
 483     \ifdim\@tempdima<\z@ \hbox{\box@dir#4}\else
 484     \hb@xt@\@tempdima{\box@dir
 485                \if #3l\relax\else\hss\fi
 486                #4\relax
 487                \if #3r\relax\else\hss\fi}\fi\egroup}
 488
 489 %%% picture
 490 \def\picture{\@ifnextchar<%>
 491    {\X@picture}{\X@picture<Z>}}
 492 \def\X@picture<#1>(#2,#3){\@ifnextchar(%)
 493    {\@@picture<#1>(#2,#3)}{\@@picture<#1>(#2,#3)(0,0)}}
 494 \newdimen\@picwd
 495 \def\ltj@@pic@reset@blshift{%
 496   \ltj@yablshift\z@\ltj@ykblshift\z@
 497   \ltj@tablshift\z@\ltj@tkblshift\z@
 498 }%
 499 \def\@@picture<#1>(#2,#3)(#4,#5){%
 500   \edef\ltj@@pic@save@blshift{%
 501     \noexpand\ltj@yablshift\the\ltj@yablshift\noexpand\relax
 502     \noexpand\ltj@ykblshift\the\ltj@ykblshift\noexpand\relax
 503     \noexpand\ltj@tablshift\the\ltj@tablshift\noexpand\relax
 504     \noexpand\ltj@tkblshift\the\ltj@tkblshift\noexpand\relax
 505   }%
 506   \bgroup\let\box@dir\relax
 507   \if #1z\relax
 508     \ifnum\ltjgetparameter{direction}=3 \relax
 509       \let\box@dir\utod
 510     \fi
 511   \else
 512     \if #1y\relax     \let\box@dir\yoko
 513     \else\if #1t\relax\let\box@dir\tate
 514     \else\if #1d\relax\let\box@dir\dtou
 515     \else\if #1u\relax\let\box@dir\utod
 516     \fi\fi\fi\fi
 517   \fi
 518   \ifx\box@dir\relax
 519     \ifcase\ltjgetparameter{direction}
 520        \or   \let\box@dir\dtou
 521        \or\or\let\box@dir\tate
 522        \or   \let\box@dir\yoko
 523        \else \let\box@dir\utod
 524     \fi
 525   \fi
 526   \@picwd=#2\unitlength \@picht=#3\unitlength
 527   \setbox\@picbox\hbox to\@picwd\bgroup\box@dir
 528   \hskip-#4\unitlength\lower#5\unitlength\hbox\bgroup
 529   \ltj@@pic@reset@blshift
 530   \ignorespaces}
 531 \def\endpicture{%
 532   \egroup\hss\egroup
 533   \setbox0=\hbox{\box@dir%
 534     \ltjsetht\@picbox\@picht \ltjsetdp\@picbox\z@
 535   }%
 536   \@tempswafalse
 537   \ifnum\ltjgetparameter{direction}=3  \@tempswatrue\fi
 538   \ifnum\ltjgetparameter{direction}=11  \@tempswatrue\fi
 539   \if@tempswa
 540     \ifx\box@dir\yoko % この場合だけ垂直位置補正が必要
 541      \ltjsetht\@picbox\dimexpr\ltjgetht\@picbox+\ltjgetdp\@picbox\relax
 542       \ltjsetdp\@picbox\z@
 543     \fi
 544   \fi
 545   \mbox{\box\@picbox}%
 546   \egroup\ltj@@pic@save@blshift}
 547 \let\org@put\put
 548 \def\put{\ltj@@pic@reset@blshift\org@put}
 549 \let\org@line\line
 550 \def\line{\ltj@@pic@reset@blshift\org@line}
 551 \let\org@vector\vector
 552 \def\vector{\ltj@@pic@reset@blshift\org@vector}
 553 \let\org@dashbox\dashbox
 554 \def\dashbox{\ltj@@pic@reset@blshift\org@dashbox}
 555 \let\org@oval\oval
 556 \def\oval{\ltj@@pic@reset@blshift\org@oval}
 557 \let\org@circle\circle
 558 \def\circle{\ltj@@pic@reset@blshift\org@circle}
 559
 560 %%% rensuji
 561 \newif\ifnot@advanceline
 562 \newskip\rensujiskip
 563 \rensujiskip=0.25\chs plus.25\zw minus.25\zw
 564 \DeclareRobustCommand\rensuji{%
 565   \@ifstar{\not@advancelinetrue\@rensuji}{\@rensuji}}
 566 \def\@rensuji{\@ifnextchar[{\@@rensuji}{\@@rensuji[c]}}
 567 \def\@@rensuji[#1]#2{%
 568   \ifvmode\leavevmode\fi
 569   \ifnum\ltjgetparameter{direction}=4\relax\hbox{#2}\else
 570   \hskip\rensujiskip
 571   \setbox\tw@\hbox{漢}% 「あ」では仮名書体使用時がまずそう
 572   \@tempdimb\ltjgetht\tw@ \advance\@tempdimb\ltjgetdp\tw@
 573   \ifnot@advanceline\not@advancelinefalse\else
 574     \setbox\z@\hbox{\yoko#2}%
 575     \@tempdima\ltjgetht\z@ \advance\@tempdima\ltjgetdp\z@
 576     \ifnum\ltjgetparameter{direction}=1\relax
 577       % 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．
 578       \if #1c\relax\vrule \@width \z@ \@height\dimexpr.5\@tempdima+.5\ltjgetht\tw@-.5\ltjgetdp\tw@
 579                           \@depth\dimexpr.5\@tempdima-.5\ltjgetht\tw@+.5\ltjgetdp\tw@
 580       \else\if #1l\relax\vrule\@width \z@\@height\ltjgetht\tw@ \@depth\dimexpr\@tempdima-\ltjgetht\tw@
 581       \else\vrule\@width \z@ \@height\dimexpr\@tempdima-\ltjgetdp\tw@ \@depth\ltjgetdp\tw@
 582       \fi\fi
 583     \else
 584       % 周囲が tate, utod の場合も同じ
 585       \if #1c\relax\vrule \@width \z@ \@height\dimexpr.5\@tempdima+.5\ltjgetht\tw@-.5\ltjgetdp\tw@
 586                           \@depth\dimexpr.5\@tempdima-.5\ltjgetht\tw@+.5\ltjgetdp\tw@
 587       \else\if #1r\relax\vrule\@width \z@\@height\ltjgetht\tw@ \@depth\dimexpr\@tempdima-\ltjgetht\tw@
 588       \else\vrule\@width \z@ \@height\dimexpr\@tempdima-\ltjgetdp\tw@ \@depth\ltjgetdp\tw@
 589       \fi\fi
 590     \fi
 591   \fi
 592   \ifnum\ltjgetparameter{direction}=1\relax
 593     \if #1c\relax\hbox to\@tempdimb{\yoko\hss#2\hss\kern-\ltjgetdp\tw@}%
 594     \else\if #1r\relax\vbox{\hbox to\@tempdimb{\yoko\hss#2\kern-\ltjgetdp\tw@}}%
 595     \else\lower\ltjgetdp\tw@\vtop{\hbox to\@tempdimb{\yoko#2\hss}}%
 596     \fi\fi
 597   \else
 598     \if #1c\relax\raise\dimexpr.5\@tempdimb-\ltjgetdp\tw@
 599         \hbox to\@tempdimb{\yoko \hss#2\hss}%
 600     \else\if #1r\relax\raise\dimexpr.5\@tempdimb-\ltjgetdp\tw@
 601         \vbox{\hbox to\@tempdimb{\yoko\hss#2}}%
 602     \else\raise\dimexpr.5\@tempdimb-\ltjgetdp\tw@
 603          \vtop{\hbox to\@tempdimb{\yoko #2\hss}}%
 604     \fi\fi
 605   \fi
 606   \hskip\rensujiskip
 607 \fi}
 608 \let\Rensuji\rensuji
 609 \let\prensuji\rensuji
 610
 611 %%% kanji
 612 \def\Kanji#1{\expandafter\@Kanji\csname c@#1\endcsname}
 613 \def\@Kanji#1{\kansuji #1}
 614 \def\kanji{\ifnum\ltjgetparameter{direction}=3 \expandafter\kansuji\fi}
 615
 616 %%% bou
 617 %%%
 618 \def\boutenchar{\char\euc"A1A2}%"
 619 \def\bou#1{\ifvmode\leavevmode\fi\@bou#1\end}
 620 \def\@bou#1{%
 621   \ifx#1\end \let\next=\relax
 622   \else
 623     \ifnum\ltjgetparameter{direction}=3\relax
 624       \hbox to\z@{\vbox to\z@{\boxmaxdepth\maxdimen
 625         \vss\moveleft0.2\zw\hbox{\yoko\boutenchar}\nointerlineskip
 626         \hbox{\char\euc"A1A1}}\hss}\nobreak#1\relax
 627     \else
 628       \hbox to\z@{\vbox to\z@{\boxmaxdepth\maxdimen
 629         \vss\moveleft-0.2\zw\hbox{\boutenchar}\nointerlineskip
 630         \hbox{\char\euc"A1A1}}\hss}\nobreak#1\relax
 631     \fi
 632     \let\next=\@bou
 633   \fi\next}
 634
 635 %%% kasen
 636 \def\kasen#1{%
 637   \ifnum\ltjgetparameter{direction}=3\relax
 638     \setbox\z@\hbox{#1}\leavevmode\raise.7\zw
 639     \hbox to\z@{\vrule\@width\wd\z@ \@depth\z@ \@height.4\p@\hss}%
 640     \box\z@
 641   \else\underline{#1}\fi}
 642
 643 %%% references
 644 \def\@eqnnum{{\reset@font\rmfamily \normalcolor
 645   \ifnum\ltjgetparameter{direction}=11\raise.25\zh\hbox{\yoko(\theequation)}%
 646   \else (\theequation)\fi}}
 647 \def\@thecounter#1{\noexpand\rensuji{\noexpand\arabic{#1}}}
 648 \def\@thmcounter#1{\noexpand\rensuji{\noexpand\arabic{#1}}}
 649
 650 %% Compatibility with array package
 651
 652 \def\ltj@lltjext@patch@array{%
 653   \patchcmd{\@tabular}{\hbox\bgroup}{%
 654         \hbox\bgroup\ltj@ext@dir=\ltjgetparameter{direction}}{}{}
 655   \pretocmd{\array}%
 656         {\ltj@ext@dir=\ltjgetparameter{direction}\relax}{}{}
 657   \def\@startpbox##1{\bgroup
 658    \box@dir\adjustbaseline%%% これを追加
 659    \setlength\hsize{##1}\@arrayparboxrestore
 660      \everypar{%
 661         \vrule \@height \ltjgetht\@arstrutbox \@width \z@
 662         \everypar{}}%
 663      }
 664   \def\@tabarray{\@ifnextchar<\p@tabarray{\p@tabarray<z>}}
 665   \def\p@array<##1>[##2]##3{%
 666     \let\box@dir\relax
 667     \if ##1z\relax
 668       \ifnum\ltj@ext@dir=3\relax
 669         \let\box@dir\utod\@tempcnta=\zstrutbox
 670       \fi
 671     \else
 672       \if ##1y\relax
 673         \let\box@dir\yoko\@tempcnta=\ystrutbox
 674       \else\if ##1t\relax
 675         \let\box@dir\tate\@tempcnta=\tstrutbox
 676       \else\if ##1d\relax
 677          \let\box@dir\dtou\@tempcnta=\dstrutbox
 678       \else\if ##1u\relax
 679          \let\box@dir\utod\@tempcnta=\zstrutbox
 680       \fi\fi\fi\fi
 681     \fi
 682     \ifx\box@dir\relax
 683       \ifcase\ltj@ext@dir
 684          \or   \let\box@dir\dtou\@tempcnta=\dstrutbox% dtou
 685          \or\or\let\box@dir\tate\@tempcnta=\tstrutbox% tate
 686          \or   \let\box@dir\yoko\@tempcnta=\ystrutbox% yoko
 687          \else \let\box@dir\utod\@tempcnta=\zstrutbox% utod
 688       \fi
 689     \fi
 690     \setbox \@arstrutbox \hbox{\box@dir\vrule
 691                \@height \arraystretch
 692                  \dimexpr \ltjgetht\@tempcnta+\extrarowheight\relax
 693                \@depth \arraystretch \ltjgetdp \@tempcnta
 694                \@width \z@}%
 695     \fork@array@option<##1>[##2]%
 696     \begingroup
 697     \@mkpream{##3}%
 698     \xdef\@preamble{\ialign \noexpand \@halignto
 699                     \bgroup \tabskip \z@skip \@arstrut \@preamble
 700                             \tabskip \z@ \cr}%
 701     \endgroup
 702     \@arrayleft
 703     \@begin@alignbox\bgroup\box@dir\adjustbaseline
 704       \let\par\@empty
 705       \let\@sharp####\let\protect\relax
 706       \let\\\@arraycr\let\tabularnewline\\\let\par\@empty
 707      \lineskip\z@skip\baselineskip\z@skip\@preamble}
 708   \def\endarray{\crcr\egroup\egroup\@end@alignbox\@arrayright}
 709 }
 710
 711 \@ifpackageloaded{array}{%
 712   \expandafter\let\csname tabular*\endcsname=\ltj@lltjext@orig@tabularS
 713   \let\tabular=\ltj@lltjext@orig@tabular
 714   \let\array=\ltj@lltjext@orig@array
 715   \ltj@lltjext@patch@array
 716 }{%
 717   \let\ltj@lltjext@orig@tabularS\relax
 718   \let\ltj@lltjext@orig@tabular\relax
 719   \let\ltj@lltjext@orig@array\relax
 720   \RequirePackage{filehook,etoolbox}
 721   \AtEndOfPackageFile{array}{\ltj@lltjext@patch@array}
 722 }
 723
 724 %%%%%%%%%%%%%%%% LuaTeX-ja original
 725
 726 %%\define@key[ltj]{japaram}{autouprightnum}{%      %COUNT
 727 %%  \ltj@@set@stack{AURN}{0}{10000}\z@#1 }
 728
 729 \endinput