src/lltjext.sty

   1 %
   2 % lltjext.sty: derived from plext.sty in pLaTeX.
   3 %
   4
   5 \NeedsTeXFormat{LaTeX2e}
   6 \ProvidesPackage{lltjext}[2015/09/18 v1.2-ltj-4 Macros for vertical writing]
   7 \RequirePackage{luatexja}
   8
   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\X@tabarray}
  16 \def\tabular{\let\@halignto\@empty\X@tabular}
  17 \@namedef{tabular*}{\@ifnextchar<%>
  18    {\@stabular}{\@stabular<Z>}}
  19 \def\X@tabarray{\@ifnextchar<%>
  20    {\p@tabarray}{\p@tabarray<Z>}}
  21 \def\X@tabular{\@ifnextchar<%>
  22    {\p@tabular}{\p@tabular<Z>}}
  23 \def\@stabular<#1>#2{\def\@halignto{to#2}\p@tabular<#1>}
  24 \def\p@tabular<#1>{\leavevmode \hbox \bgroup
  25    \count@=\ltjgetparameter{direction}$\let\@acol\@tabacol
  26    \let\@classz\@tabclassz
  27    \let\@classiv\@tabclassiv \let\\\@tabularcr\p@tabarray<#1>}
  28 \def\p@tabarray<#1>{\m@th\@ifnextchar[%]
  29    {\p@array<#1>}{\p@array<#1>[c]}}
  30
  31 \def\p@array<#1>[#2]#3{%
  32   \let\box@dir\relax
  33   \if #1z\relax
  34     \ifnum\ltjgetparameter{direction}=3\relax
  35       \let\box@dir\utod\@tempcnta=\zstrutbox
  36     \fi
  37   \else
  38     \if #1y\relax
  39        \let\box@dir\yoko\@tempcnta=\strutbox
  40     \else\if #1t\relax
  41        \let\box@dir\tate\@tempcnta=\tstrutbox
  42     \else\if #1d\relax
  43        \let\box@dir\dtou\@tempcnta=\dstrutbox
  44     \else\if #1u\relax
  45        \let\box@dir\utod\@tempcnta=\zstrutbox
  46     \fi\fi\fi\fi
  47   \fi
  48   \ifx\box@dir\relax
  49     \ifcase\count@
  50        \or   \let\box@dir\dtou\@tempcnta=\dstrutbox% dtou
  51        \or\or\let\box@dir\tate\@tempcnta=\tstrutbox% tate
  52        \or   \let\box@dir\yoko\@tempcnta=\strutbox% yoko
  53        \else \let\box@dir\utod\@tempcnta=\zstrutbox% utod
  54     \fi
  55   \fi
  56   \setbox\@arstrutbox\hbox{%
  57     \box@dir
  58     \vrule\@height\arraystretch\ltjgetht\@tempcnta
  59           \@depth\arraystretch\ltjgetdp\@tempcnta \@width\z@}%
  60   \fork@array@option<#1>[#2]%
  61   \@mkpream{#3}\edef\@preamble{\ialign \noexpand\@halignto
  62   \bgroup\@arstrut \@preamble \tabskip\z@skip \cr}%
  63    \let\tabularnewline\\%
  64   \@begin@alignbox\bgroup\box@dir\adjustbaseline
  65     \let\par\@empty
  66     \let\@sharp##\let\protect\relax
  67     \lineskip\z@skip\baselineskip\z@skip\@preamble}
  68 \def\endarray{\crcr\egroup\egroup\@end@alignbox}
  69 \def\endtabular{\endarray$\egroup}
  70 \expandafter \let \csname endtabular*\endcsname = \endtabular
  71 \def\fork@array@option<#1>[#2]{%
  72 \ifnum\ltjgetparameter{direction}=4 % yoko
  73   \ifx\box@dir\yoko
  74     \if #2t\relax
  75        \let\@begin@alignbox\vtop
  76        \let\@end@alignbox\relax
  77     \else\if #2b\relax
  78        \let\@begin@alignbox\vbox
  79        \let\@end@alignbox\relax
  80     \else
  81        \let\@begin@alignbox\vcenter
  82        \let\@end@alignbox\relax
  83     \fi\fi
  84   \else
  85     \if #2t\relax
  86        \def\@begin@alignbox{\vtop\bgroup\kern\z@\vbox}%
  87        \def\@end@alignbox{\egroup}%
  88     \else\if #2b\relax
  89        \let\@begin@alignbox\vbox
  90        \let\@end@alignbox\relax
  91     \else
  92        \let\@begin@alignbox\vcenter
  93        \let\@end@alignbox\relax
  94     \fi\fi
  95   \fi
  96 \else\ifnum\ltjgetparameter{direction}=1 % dtou
  97   \ifx\box@dir\yoko
  98     \if #2t\relax
  99        \def\@begin@alignbox{\vtop\bgroup\kern\z@\vbox}%
 100        \def\@end@alignbox{\egroup}%
 101     \else\if #2b\relax
 102        \let\@begin@alignbox\vbox
 103        \let\@end@alignbox\relax
 104     \else
 105       \let\@begin@alignbox\vcenter
 106         \let\@end@alignbox\relax
 107     \fi\fi
 108   \else\ifx\box@dir\dtou
 109     \if #2t\relax
 110        \let\@begin@alignbox\vtop
 111        \let\@end@alignbox\relax
 112     \else\if #2b\relax
 113        \let\@begin@alignbox\vbox
 114        \let\@end@alignbox\relax
 115     \else
 116        \let\@begin@alignbox\vcenter
 117        \let\@end@alignbox\relax
 118     \fi\fi
 119   \else % 180 度回転→vtop, vbox を入れ替える
 120     \if #2t\relax
 121        \let\@begin@alignbox\vbox %%% !!!
 122        \let\@end@alignbox\relax
 123     \else\if #2b\relax
 124        \let\@begin@alignbox\vtop %%% !!!
 125        \let\@end@alignbox\relax
 126     \else
 127        \let\@begin@alignbox\vcenter
 128        \let\@end@alignbox\relax
 129     \fi\fi
 130   \fi\fi
 131 \else % tate, utod
 132   \ifx\box@dir\yoko
 133     \if #2t\relax
 134       \def\@begin@alignbox{\vtop\bgroup\kern\z@\vbox}%
 135       \def\@end@alignbox{\egroup}%
 136     \else\if #2b\relax
 137       \def\@begin@alignbox{\vbox\bgroup\vbox}%
 138       \def\@end@alignbox{\kern\z@\egroup}%
 139     \else
 140       \let\@begin@alignbox\vcenter
 141       \let\@end@alignbox\relax
 142     \fi\fi
 143   \else\ifx\box@dir\dtou % 180 度回転→vtop, vbox を入れ替える
 144     \if #2t\relax
 145       \let\@begin@alignbox\vbox %%% !!!
 146       \let\@end@alignbox\relax
 147     \else\if #2b\relax
 148       \let\@begin@alignbox\vtop %%% !!!
 149       \let\@end@alignbox\relax
 150     \else
 151       \let\@begin@alignbox\vcenter
 152       \let\@end@alignbox\relax
 153     \fi\fi
 154   \else
 155     \if #2t\relax
 156        \let\@begin@alignbox\vtop
 157        \let\@end@alignbox\relax
 158     \else\if #2b\relax
 159        \let\@begin@alignbox\vbox
 160        \let\@end@alignbox\relax
 161     \else
 162        \let\@begin@alignbox\vcenter
 163        \let\@end@alignbox\relax
 164     \fi\fi
 165   \fi\fi
 166 \fi\fi%
 167 }
 168
 169 %%% caption
 170 \newbox\@floatbox
 171 \newdimen\floatwidth
 172 \newdimen\floatheight
 173 \newdimen\floatruletick \floatruletick=0.4pt
 174 \newdimen\captionfloatsep \captionfloatsep=10pt
 175 \def\caption@dir{Z}
 176 \let\captiondir\relax
 177 \newdimen\captionwidth \captionwidth\z@
 178 \def\caption@posa{Z}
 179 \def\caption@posb{Z}
 180 \newbox\@captionbox
 181 \def\captionfontsetup{\normalfont\normalsize}
 182 \def\layoutfloat{\@ifnextchar(%)
 183    {\X@layoutfloat}{\X@layoutfloat(-5\p@,-5\p@)}}
 184 \def\X@layoutfloat(#1,#2){\@ifnextchar[%]
 185    {\@layoutfloat(#1,#2)}{\@layoutfloat(#1,#2)[c]}}
 186 \long\def\@layoutfloat(#1,#2)[#3]#4{%
 187   \setbox\z@\hbox{#4}%
 188   \floatwidth=#1 \floatheight=#2 \edef\float@pos{#3}%
 189   \ifdim\floatwidth<\z@
 190      \floatwidth\ltjgetwd\z@\floatruletick\z@
 191   \fi
 192   \ifdim\floatheight<\z@
 193      \floatheight\ltjgetht\z@\advance\floatheight\ltjgetdp\z@\relax
 194      \floatruletick\z@
 195   \fi
 196   \setbox\@floatbox\vbox to\floatheight{\offinterlineskip
 197     \hrule width\floatwidth height\floatruletick depth\z@
 198     \vss\hbox to\floatwidth{%
 199       \vrule width\floatruletick height\floatheight depth\z@
 200       \hss\vbox to\floatheight{\hsize\floatwidth\vss#4\vss}\hss
 201       \vrule width\floatruletick height\floatheight depth\z@
 202     }\hrule width\floatwidth height\floatruletick depth\z@}}
 203 \def\DeclareLayoutCaption#1<#2>(#3)[#4#5]{%
 204   \expandafter
 205   \ifx\csname #1@layoutcaption\endcsname\relax \else
 206     \@latex@info{Redeclaring capiton layout setting of '#1'}%
 207   \fi
 208   \expandafter
 209   \gdef\csname #1@layoutcaption\endcsname{%
 210      \if Z\caption@dir\def\caption@dir{#2}\fi
 211      \ifdim\captionwidth=\z@ \captionwidth=#3\relax\fi
 212      \if Z\caption@posa\def\caption@posa{#4}\fi
 213      \if Z\caption@posb\def\caption@posb{#5}\fi}}
 214 \@onlypreamble\DeclareLayoutCaption
 215 \DeclareLayoutCaption{figure}<y>(.8\linewidth)[cd]
 216 \DeclareLayoutCaption{table}<y>(.8\linewidth)[cu]
 217 \def\layoutcaption{\def\caption@dir{Z}\captionwidth\z@
 218   \def\caption@posa{Z}\def\caption@posb{Z}%
 219   \@ifnextchar<\X@layoutcaption{%
 220     \@ifnextchar(\@ilayoutcaption{%
 221       \@ifnextchar[\@iilayoutcaption\relax}}}
 222 \def\X@layoutcaption<#1>{\def\caption@dir{#1}%
 223   \@ifnextchar(\@ilayoutcaption{%
 224     \@ifnextchar[\@iilayoutcaption\relax}}
 225 \def\@ilayoutcaption(#1){\setlength\captionwidth{#1}%
 226   \@ifnextchar[{\@iilayoutcaption}{\relax}}
 227 \def\@iilayoutcaption[#1#2]{%
 228   \def\caption@posa{#1}\def\caption@posb{#2}}
 229 \def\pcaption{\refstepcounter\@captype \@dblarg{\@pcaption\@captype}}
 230 \long\def\@pcaption#1[#2]#3{%
 231   \addcontentsline{\csname ext@#1\endcsname}{#1}{%
 232     \protect\numberline{\csname the#1\endcsname}{\ignorespaces#2}}%
 233   \ifvoid\@floatbox
 234      \latex@error{Use with `\protect\layoutfloat'.}\@eha
 235   \fi
 236   \make@pcaptionbox{#3}%
 237   \@pboxswfalse
 238   \setbox\@tempboxa\vbox{\hbox to\hsize{\if l\float@pos\else\hss\fi
 239     \if l\caption@posb\box\@captionbox\kern\captionfloatsep\fi
 240     \if t\caption@posa\vtop
 241     \else\if b\caption@posa\vbox
 242     \else\ifmmode\vcenter \else\@pboxswtrue $\vcenter \fi\fi\fi
 243     {\if u\caption@posb\box\@captionbox\kern\captionfloatsep\fi
 244      \unvbox\@floatbox
 245      \if d\caption@posb\kern\captionfloatsep\box\@captionbox\fi}%
 246     \if r\caption@posb\kern\captionfloatsep\box\@captionbox\fi
 247     \if@pboxsw \m@th$\fi \if r\float@pos\else\hss\fi}}%
 248   \par\vskip.25\baselineskip
 249   \box\@tempboxa}
 250 \def\make@pcaptionbox#1{%
 251   \expandafter
 252   \ifx\csname\@captype @layoutcaption\endcsname\relax
 253      \@latex@warning{Default caption layout of `\@captype' unknown.}%
 254        \def\caption@dir{Z}\captionwidth\z@
 255        \def\caption@posa{Z}\def\caption@posb{Z}%
 256   \else
 257      \csname \@captype @layoutcaption\endcsname
 258   \fi
 259   \@tempswafalse
 260   % tempswa\hline 基本組の組方向とキャプションの組方向が直交するか？
 261   \if y\caption@dir \let\captiondir\yoko
 262     \ifodd\ltjgetparameter{direction}\relax\@tempswatrue\fi
 263   \else\if z\caption@dir \let\captiondir\relax
 264     \ifnum\ltjgetparameter{direction}=3\relax\let\captiondir\utod\fi
 265   \else\if d\caption@dir \let\captiondir\dtou
 266     \ifodd\ltjgetparameter{direction}\else\@tempswatrue\fi
 267   \else\if u\caption@dir \let\captiondir\utod
 268     \ifodd\ltjgetparameter{direction}\else\@tempswatrue\fi
 269   \else\if t\caption@dir \let\captiondir\tate
 270     \ifodd\ltjgetparameter{direction}\else\@tempswatrue\fi
 271   \fi\fi\fi\fi\fi
 272   \setbox0\hbox{\hbox{\captiondir
 273      \captionfontsetup\parindent\z@\inhibitglue
 274      \csname fnum@\@captype\endcsname 　#1}}%"
 275   \if@tempswa\@tempdima\ltjgetht0\relax\else\@tempdima\ltjgetwd0\relax\fi
 276   \ifdim\@tempdima>\captionwidth \@tempdima\captionwidth \fi
 277   \@pboxswfalse
 278   \setbox0\hbox{%
 279     \if u\caption@posb\vbox
 280     \else\if d\caption@posb\vbox
 281     \else\if t\caption@posa\vtop
 282     \else\if b\caption@posa\vbox
 283     \else\ifmmode\vcenter\else\@pboxswtrue $\vcenter\fi
 284     \fi\fi\fi\fi
 285     {\hsize\@tempdima\kern\z@
 286     \vbox{\captiondir\hsize\@tempdima
 287       \captionfontsetup\parindent\z@\inhibitglue
 288       \csname fnum@\@captype\endcsname 　#1}\kern\z@
 289     }\if@pboxsw \m@th$\fi}%
 290   \let\to@captionboxwidth\relax
 291   \if l\caption@posb \else\if r\caption@posb\else
 292   \def\to@captionboxwidth{to\floatwidth}\fi\fi
 293   \setbox\@captionbox\hbox\to@captionboxwidth{%
 294      \if t\caption@posa\else\hss\fi
 295      \unhbox0\relax
 296      \if b\caption@posa\else\hss\fi}}
 297
 298 %%% minipage and parbox
 299 \def\minipage{\@ifnextchar<%>
 300    {\X@minipage}{\X@minipage<Z>}}
 301 \def\X@minipage<#1>{\@ifnextchar[%]
 302    {\@iminipage<#1>}{\@iiiminipage<#1>{c}\@empty[s]}}
 303 \def\@iminipage<#1>[#2]{\@ifnextchar[%]
 304    {\@iiminipage<#1>{#2}}{\@iiiminipage<#1>{#2}\@empty[s]}}
 305 \def\@iiminipage<#1>#2[#3]{\@ifnextchar[%]
 306    {\@iiiminipage<#1>{#2}{#3}}{\@iiiminipage<#1>{#2}{#3}[#2]}}
 307 \def\@iiiminipage<#1>#2#3[#4]#5{%
 308   \leavevmode\bgroup
 309   \setlength\@tempdima{#5}%
 310   \def\@mpargs{<#1>{#2}{#3}[#4]{#5}}%
 311   \let\box@dir\relax
 312   \if #1z\relax
 313     \ifnum\ltjgetparameter{direction}=3\relax
 314       \let\box@dir\utod
 315     \fi
 316   \else
 317     \if #1y\relax     \let\box@dir\yoko
 318     \else\if #1t\relax\let\box@dir\tate
 319     \else\if #1d\relax\let\box@dir\dtou
 320     \else\if #1u\relax\let\box@dir\utod
 321     \fi\fi\fi\fi
 322   \fi
 323   \ifx\box@dir\relax
 324     \ifcase\ltjgetparameter{direction}\relax
 325        \or   \let\box@dir\dtou
 326        \or\or\let\box@dir\tate
 327        \or   \let\box@dir\yoko
 328        \else \let\box@dir\utod
 329     \fi
 330   \fi
 331   \setbox\@tempboxa\vbox\bgroup\box@dir
 332     \adjustbaseline
 333     \color@begingroup
 334       \hsize\@tempdima
 335       \textwidth\hsize \columnwidth\hsize
 336       \@parboxrestore
 337       \def\@mpfn{mpfootnote}\def\thempfn{\thempfootnote}%
 338       \c@mpfootnote\z@
 339       \let\@footnotetext\@mpfootnotetext
 340       \let\@listdepth\@mplistdepth \@mplistdepth\z@
 341       \@minipagerestore
 342       \global\@minipagetrue %% \global added 24 May 89
 343       \everypar{\global\@minipagefalse\everypar{}}}
 344 \def\endminipage{%
 345     \par
 346     \unskip
 347     \ifvoid\@mpfootins\else
 348       \vskip\skip\@mpfootins
 349       \normalcolor
 350       \footnoterule
 351       \unvbox\@mpfootins
 352     \fi
 353     \global\@minipagefalse   %% added 24 May 89
 354   \color@endgroup
 355   \egroup
 356   \expandafter\@iiiparbox\@mpargs{\unvbox\@tempboxa}\egroup}
 357 \def\parbox{\@ifnextchar<%>
 358    {\X@parbox}{\X@parbox<Z>}}
 359 \def\X@parbox<#1>{\@ifnextchar[%]
 360    {\@iparbox<#1>}{\@iiiparbox<#1>{c}\@empty[s]}}
 361 \def\@iparbox<#1>[#2]{\@ifnextchar[%]
 362    {\@iiparbox<#1>{#2}}{\@iiiparbox<#1>{#2}\@empty[s]}}
 363 \def\@iiparbox<#1>#2[#3]{\@ifnextchar[%]%
 364    {\@iiiparbox<#1>{#2}{#3}}{\@iiiparbox<#1>{#2}{#3}[#2]}}
 365 \long\def\@iiiparbox<#1>#2#3[#4]#5#6{%
 366   \leavevmode\bgroup
 367   \setlength\@tempdima{#5}%
 368   \fork@parbox@option<#1>[#2]%
 369   \@begin@tempboxa\vbox{\box@dir
 370     \hsize\@tempdima\@parboxrestore\adjustbaseline#6\endgraf}%
 371     \ifx\@empty#3\relax\else
 372       \setlength\@tempdimb{#3}%
 373       \def\@parboxto{to\@tempdimb}%
 374     \fi
 375     \@begin@parbox\@parboxto{\box@dir\adjustbaseline
 376        \let\hss\vss\let\unhbox\unvbox
 377        \csname bm@#4\endcsname}\@end@parbox
 378   \@end@tempboxa\egroup}
 379 \def\fork@parbox@option<#1>[#2]{%
 380   \let\box@dir\relax
 381   \if #1z\relax
 382     \ifnum\ltjgetparameter{direction}=3\relax
 383       \let\box@dir\utod
 384     \fi
 385   \else
 386     \if #1y\relax     \let\box@dir\yoko
 387     \else\if #1t\relax\let\box@dir\tate
 388     \else\if #1d\relax\let\box@dir\dtou
 389     \else\if #1u\relax\let\box@dir\utod
 390     \fi\fi\fi\fi
 391   \fi
 392   \ifx\box@dir\relax
 393     \ifcase\ltjgetparameter{direction}\relax
 394        \or   \let\box@dir\dtou
 395        \or\or\let\box@dir\tate
 396        \or   \let\box@dir\yoko
 397        \else \let\box@dir\utod
 398     \fi
 399   \fi
 400 %%% now almost same as \fork@array@option
 401 \ifnum\ltjgetparameter{direction}=4 % yoko
 402   \ifx\box@dir\yoko
 403     \if #2t\relax
 404        \let\@begin@parbox\vtop
 405        \let\@end@parbox\relax
 406     \else\if #2b\relax
 407        \let\@begin@parbox\vbox
 408        \let\@end@parbox\relax
 409     \else
 410       \def\@begin@parbox{$\vcenter}%
 411       \def\@end@parbox{\m@th$}%
 412     \fi\fi
 413   \else
 414     \if #2t\relax
 415        \def\@begin@parbox{\vtop\bgroup\kern\z@\vbox}%
 416        \def\@end@parbox{\egroup}%
 417     \else\if #2b\relax
 418        \let\@begin@parbox\vbox
 419        \let\@end@parbox\relax
 420     \else
 421       \def\@begin@parbox{$\vcenter}%
 422       \def\@end@parbox{\m@th$}%
 423     \fi\fi
 424   \fi
 425 \else\ifnum\ltjgetparameter{direction}=1 % dtou
 426   \ifx\box@dir\yoko
 427     \if #2t\relax
 428        \def\@begin@parbox{\vtop\bgroup\kern\z@\vbox}
 429        \def\@end@parbox{\egroup}
 430     \else\if #2b\relax
 431        \let\@begin@parbox\vbox
 432        \let\@end@parbox\relax
 433     \else
 434       \def\@begin@parbox{$\vcenter}%
 435       \def\@end@parbox{\m@th$}%
 436     \fi\fi
 437   \else\ifx\box@dir\dtou
 438     \if #2t\relax
 439        \let\@begin@parbox\vtop
 440        \let\@end@parbox\relax
 441     \else\if #2b\relax
 442        \let\@begin@parbox\vbox
 443        \let\@end@parbox\relax
 444     \else
 445       \def\@begin@parbox{$\vcenter}%
 446       \def\@end@parbox{\m@th$}%
 447     \fi\fi
 448   \else % 180 度回転→vtop, vbox を入れ替える
 449     \if #2t\relax
 450        \let\@begin@parbox\vbox %%% !!!
 451        \let\@end@parbox\relax
 452     \else\if #2b\relax
 453        \let\@begin@parbox\vtop %%% !!!
 454        \let\@end@parbox\relax
 455     \else
 456       \def\@begin@parbox{$\vcenter}%
 457       \def\@end@parbox{\m@th$}%
 458     \fi\fi
 459   \fi\fi
 460 \else % tate, utod
 461   \ifx\box@dir\yoko
 462     \if #2t\relax
 463       \def\@begin@parbox{\vtop\bgroup\kern\z@\vbox}%
 464       \def\@end@parbox{\egroup}%
 465     \else\if #2b\relax
 466       \def\@begin@parbox{\vbox\bgroup\vbox}%
 467       \def\@end@parbox{\kern\z@\egroup}%
 468     \else
 469       \def\@begin@parbox{$\vcenter}%
 470       \def\@end@parbox{\m@th$}%
 471     \fi\fi
 472   \else\ifx\box@dir\dtou % 180 度回転→vtop, vbox を入れ替える
 473     \if #2t\relax
 474       \let\@begin@parbox\vbox %%% !!!
 475       \let\@end@parbox\relax
 476     \else\if #2b\relax
 477       \let\@begin@parbox\vtop %%% !!!
 478       \let\@end@parbox\relax
 479     \else
 480       \def\@begin@parbox{$\vcenter}%
 481       \def\@end@parbox{\m@th$}%
 482     \fi\fi
 483   \else
 484     \if #2t\relax
 485        \let\@begin@parbox\vtop
 486        \let\@end@parbox\relax
 487     \else\if #2b\relax
 488        \let\@begin@parbox\vbox
 489        \let\@end@parbox\relax
 490     \else
 491       \def\@begin@parbox{$\vcenter}%
 492       \def\@end@parbox{\m@th$}%
 493     \fi\fi
 494   \fi\fi
 495 \fi\fi%
 496 }
 497
 498 %%% pbox
 499 \def\pbox{\leavevmode\@ifnextchar<{\X@makePbox}{\X@makePbox<Z>}}
 500 \def\X@makePbox<#1>{%
 501   \@ifnextchar[{\@imakePbox<#1>}{\@imakePbox<#1>[-5\p@]}}
 502 \def\@imakePbox<#1>[#2]{\@ifnextchar[%]
 503   {\@iimakePbox<#1>{#2}}{\@iimakePbox<#1>{#2}[c]}}
 504 \def\@iimakePbox<#1>#2[#3]#4{%
 505   \bgroup\let\box@dir\relax
 506   \if #1z\relax
 507     \ifnum\ltjgetparameter{direction}=3 \relax
 508       \let\box@dir\utod
 509     \fi
 510   \else
 511     \if #1y\relax     \let\box@dir\yoko
 512     \else\if #1t\relax\let\box@dir\tate
 513     \else\if #1d\relax\let\box@dir\dtou
 514     \else\if #1u\relax\let\box@dir\utod
 515     \fi\fi\fi\fi
 516   \fi
 517   \ifx\box@dir\relax
 518     \ifcase\ltjgetparameter{direction}
 519        \or   \let\box@dir\dtou
 520        \or\or\let\box@dir\tate
 521        \or   \let\box@dir\yoko
 522        \else \let\box@dir\utod
 523     \fi
 524   \fi
 525     \ifdim #2 <\z@ \hbox{\box@dir#4}\else
 526     \hbox to#2{\box@dir
 527                \if #3l\relax\else\hss\fi
 528                #4\relax
 529                \if #3r\relax\else\hss\fi}\fi\egroup}
 530
 531 %%% picture
 532 \def\picture{\@ifnextchar<%>
 533    {\X@picture}{\X@picture<Z>}}
 534 \def\X@picture<#1>(#2,#3){\@ifnextchar(%)
 535    {\@@picture<#1>(#2,#3)}{\@@picture<#1>(#2,#3)(0,0)}}
 536 \newdimen\@picwd
 537 \def\ltj@@pic@reset@blshift{%
 538   \ltj@yablshift\z@\ltj@ykblshift\z@
 539   \ltj@tablshift\z@\ltj@tkblshift\z@
 540 }%
 541 \def\@@picture<#1>(#2,#3)(#4,#5){%
 542   \edef\ltj@@pic@save@blshift{%
 543     \noexpand\ltj@yablshift\the\ltj@yablshift\noexpand\relax
 544     \noexpand\ltj@ykblshift\the\ltj@ykblshift\noexpand\relax
 545     \noexpand\ltj@tablshift\the\ltj@tablshift\noexpand\relax
 546     \noexpand\ltj@tkblshift\the\ltj@tkblshift\noexpand\relax
 547   }%
 548   \bgroup\let\box@dir\relax
 549   \if #1z\relax
 550     \ifnum\ltjgetparameter{direction}=3 \relax
 551       \let\box@dir\utod
 552     \fi
 553   \else
 554     \if #1y\relax     \let\box@dir\yoko
 555     \else\if #1t\relax\let\box@dir\tate
 556     \else\if #1d\relax\let\box@dir\dtou
 557     \else\if #1u\relax\let\box@dir\utod
 558     \fi\fi\fi\fi
 559   \fi
 560   \ifx\box@dir\relax
 561     \ifcase\ltjgetparameter{direction}
 562        \or   \let\box@dir\dtou
 563        \or\or\let\box@dir\tate
 564        \or   \let\box@dir\yoko
 565        \else \let\box@dir\utod
 566     \fi
 567   \fi
 568   \@picwd=#2\unitlength \@picht=#3\unitlength
 569   \setbox\@picbox\hbox to\@picwd\bgroup\box@dir
 570   \hskip-#4\unitlength\lower#5\unitlength\hbox\bgroup
 571   \ltj@@pic@reset@blshift
 572   \ignorespaces}
 573 \def\endpicture{%
 574   \egroup\hss\egroup
 575   \setbox0=\hbox{\box@dir%
 576     \ltjsetht\@picbox\@picht \ltjsetdp\@picbox\z@
 577   }%
 578   \@tempswafalse
 579   \ifnum\ltjgetparameter{direction}=3  \@tempswatrue\fi
 580   \ifnum\ltjgetparameter{direction}=11  \@tempswatrue\fi
 581   \if@tempswa
 582     \ifx\box@dir\yoko % この場合だけ垂直位置補正が必要
 583      \ltjsetht\@picbox\dimexpr\ltjgetht\@picbox+\ltjgetdp\@picbox\relax
 584       \ltjsetdp\@picbox\z@
 585     \fi
 586   \fi
 587   \mbox{\box\@picbox}%
 588   \egroup\ltj@@pic@save@blshift}
 589 \let\org@put\put
 590 \def\put{\ltj@@pic@reset@blshift\org@put}
 591 \let\org@line\line
 592 \def\line{\ltj@@pic@reset@blshift\org@line}
 593 \let\org@vector\vector
 594 \def\vector{\ltj@@pic@reset@blshift\org@vector}
 595 \let\org@dashbox\dashbox
 596 \def\dashbox{\ltj@@pic@reset@blshift\org@dashbox}
 597 \let\org@oval\oval
 598 \def\oval{\ltj@@pic@reset@blshift\org@oval}
 599 \let\org@circle\circle
 600 \def\circle{\ltj@@pic@reset@blshift\org@circle}
 601
 602 %%% rensuji
 603 \newif\ifnot@advanceline
 604 \newskip\rensujiskip
 605 \rensujiskip=0.25\chs plus.25\zw minus.25\zw
 606 \DeclareRobustCommand\rensuji{%
 607   \@ifstar{\not@advancelinetrue\@rensuji}{\@rensuji}}
 608 \def\@rensuji{\@ifnextchar[{\@@rensuji}{\@@rensuji[c]}}
 609 \def\@@rensuji[#1]#2{\ifnum\ltjgetparameter{direction}=4\relax%
 610   \hbox{#2}\else
 611   \hskip\rensujiskip
 612   \ifvmode\leavevmode\fi
 613   \setbox\tw@\hbox{漢}% 「あ」では仮名書体使用時がまずそう
 614   \@tempdimb\ltjgetht\tw@ \advance\@tempdimb\ltjgetdp\tw@
 615   \ifnot@advanceline\not@advancelinefalse\else
 616     \setbox\z@\hbox{\yoko#2}%
 617     \@tempdima\ltjgetht\z@ \advance\@tempdima\ltjgetdp\z@
 618     \ifnum\ltjgetparameter{direction}=1\relax
 619       % 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．
 620       \if #1c\relax\vrule \@width \z@ \@height\dimexpr.5\@tempdima+.5\ltjgetht\tw@-.5\ltjgetdp\tw@
 621                           \@depth\dimexpr.5\@tempdima-.5\ltjgetht\tw@+.5\ltjgetdp\tw@
 622       \else\if #1l\relax\vrule\@width \z@\@height\ltjgetht\tw@ \@depth\dimexpr\@tempdima-\ltjgetht\tw@
 623       \else\vrule\@width \z@ \@height\dimexpr\@tempdima-\ltjgetdp\tw@ \@depth\ltjgetdp\tw@
 624       \fi\fi
 625     \else
 626       % 周囲が tate, utod の場合も同じ
 627       \if #1c\relax\vrule \@width \z@ \@height\dimexpr.5\@tempdima+.5\ltjgetht\tw@-.5\ltjgetdp\tw@
 628                           \@depth\dimexpr.5\@tempdima-.5\ltjgetht\tw@+.5\ltjgetdp\tw@
 629       \else\if #1r\relax\vrule\@width \z@\@height\ltjgetht\tw@ \@depth\dimexpr\@tempdima-\ltjgetht\tw@
 630       \else\vrule\@width \z@ \@height\dimexpr\@tempdima-\ltjgetdp\tw@ \@depth\ltjgetdp\tw@
 631       \fi\fi
 632     \fi
 633   \fi
 634   \ifnum\ltjgetparameter{direction}=1\relax
 635     \if #1c\relax\hbox to\@tempdimb{\yoko\hss#2\hss\kern-\ltjgetdp\tw@}%
 636     \else\if #1r\relax\vbox{\hbox to\@tempdimb{\yoko\hss#2\kern-\ltjgetdp\tw@}}%
 637     \else\lower\ltjgetdp\tw@\vtop{\hbox to\@tempdimb{\yoko#2\hss}}%
 638     \fi\fi
 639   \else
 640     \if #1c\relax\raise\dimexpr.5\@tempdimb-\ltjgetdp\tw@
 641         \hbox to\@tempdimb{\yoko \hss#2\hss}%
 642     \else\if #1r\relax\raise\dimexpr.5\@tempdimb-\ltjgetdp\tw@
 643         \vbox{\hbox to\@tempdimb{\yoko\hss#2}}%
 644     \else\raise\dimexpr.5\@tempdimb-\ltjgetdp\tw@
 645          \vtop{\hbox to\@tempdimb{\yoko #2\hss}}%
 646     \fi\fi
 647   \fi
 648   \hskip\rensujiskip
 649 \fi}
 650 \let\Rensuji\rensuji
 651 \let\prensuji\rensuji
 652
 653 %%% kanji
 654 \def\Kanji#1{\expandafter\@Kanji\csname c@#1\endcsname}
 655 \def\@Kanji#1{\expandafter\kansuji\number #1}
 656 \def\kanji{\ifnum\ltjgetparameter{direction}=3 \expandafter\kansuji\fi}
 657
 658 %%% bou
 659 %%%
 660 \def\boutenchar{\char\euc"A1A2}%"
 661 \def\bou#1{\ifvmode\leavevmode\fi\@bou#1\end}
 662 \def\@bou#1{%
 663   \ifx#1\end \let\next=\relax
 664   \else
 665     \ifnum\ltjgetparameter{direction}=3\relax
 666       \hbox to\z@{\vbox to\z@{\boxmaxdepth\maxdimen
 667         \vss\moveleft0.2\zw\hbox{\yoko\boutenchar}\nointerlineskip
 668         \hbox{\char\euc"A1A1}}\hss}\nobreak#1\relax
 669     \else
 670       \hbox to\z@{\vbox to\z@{\boxmaxdepth\maxdimen
 671         \vss\moveleft-0.2\zw\hbox{\boutenchar}\nointerlineskip
 672         \hbox{\char\euc"A1A1}}\hss}\nobreak#1\relax
 673     \fi
 674     \let\next=\@bou
 675   \fi\next}
 676
 677 %%% kasen
 678 \def\kasen#1{%
 679   \ifnum\ltjgetparameter{direction}=3\relax
 680     \setbox\z@\hbox{#1}\leavevmode\raise.7\zw
 681     \hbox to\z@{\vrule\@width\wd\z@ \@depth\z@ \@height.4\p@\hss}%
 682     \box\z@
 683   \else\underline{#1}\fi}
 684
 685 %%% references
 686 \def\@eqnnum{{\reset@font\rmfamily \normalcolor
 687   \ifnum\ltjgetparameter{direction}=3 \raise.25\zh\hbox{\yoko(\theequation)}%
 688   \else (\theequation)\fi}}
 689 \def\@thecounter#1{\noexpand\rensuji{\noexpand\arabic{#1}}}
 690 \def\@thmcounter#1{\noexpand\rensuji{\noexpand\arabic{#1}}}
 691
 692 %% Compatibility with array package
 693
 694 \def\ltj@lltjext@patch@array{%
 695   \def\@startpbox##1{\bgroup
 696    \box@dir\adjustbaseline%%% これを追加
 697    \hsize=##1\@arrayparboxrestore
 698      \everypar{%
 699         \vrule \@height \ltjgetht\@arstrutbox \@width \z@
 700         \everypar{}}%
 701      }
 702   \def\@tabarray{\@ifnextchar<\p@tabarray{\p@tabarray<Z>}}
 703   \def\p@array<##1>[##2]##3{%
 704     \let\box@dir\relax
 705     \if ##1z\relax
 706       \ifnum\ltjgetparameter{direction}=3\relax
 707         \let\box@dir\utod\@tempcnta=\zstrutbox
 708       \fi
 709     \else
 710       \if ##1y\relax
 711         \let\box@dir\yoko\@tempcnta=\strutbox
 712       \else\if ##1t\relax
 713         \let\box@dir\tate\@tempcnta=\tstrutbox
 714       \else\if ##1d\relax
 715          \let\box@dir\dtou\@tempcnta=\dstrutbox
 716       \else\if ##1u\relax
 717          \let\box@dir\utod\@tempcnta=\zstrutbox
 718       \fi\fi\fi\fi
 719     \fi
 720     \ifx\box@dir\relax
 721       \ifcase\ltjgetparameter{direction}
 722          \or   \let\box@dir\dtou\@tempcnta=\tabskip \z@\tabskip \z@\dstrutbox% dtou
 723          \or\or\let\box@dir\tate\@tempcnta=\tstrutbox% tate
 724          \or   \let\box@dir\yoko\@tempcnta=\strutbox% yoko
 725          \else \let\box@dir\utod\@tempcnta=\zstrutbox% utod
 726       \fi
 727     \fi
 728     \setbox \@arstrutbox \hbox{\box@dir\vrule
 729                \@height \arraystretch
 730                  \dimexpr \ltjgetht\@tempcnta+\extrarowheight\relax
 731                \@depth \arraystretch \ltjgetdp \@tempcnta
 732                \@width \z@}%
 733     \fork@array@option<##1>[##2]%
 734     \begingroup
 735     \@mkpream{##3}%
 736     \xdef\@preamble{\ialign \noexpand \@halignto
 737                     \bgroup \tabskip \z@skip \@arstrut \@preamble
 738                             \tabskip \z@ \cr}%
 739     \endgroup
 740     \@arrayleft
 741     \@begin@alignbox\bgroup\box@dir\adjustbaseline
 742       \let\par\@empty
 743       \let\@sharp####\let\protect\relax
 744       \let\\\@arraycr\let\tabularnewline\\\let\par\@empty
 745      \lineskip\z@skip\baselineskip\z@skip\@preamble}
 746   \def\endarray{\crcr\egroup\egroup\@end@alignbox}
 747 }
 748
 749 \@ifpackageloaded{array}{%
 750   \let\tabular=\ltj@lltjext@orig@tabular
 751   \let\array=\ltj@lltjext@orig@array
 752   \ltj@lltjext@patch@array
 753 }{%
 754   \let\ltj@lltjext@orig@tabular\relax
 755   \let\ltj@lltjext@orig@array\relax
 756   \RequirePackage{filehook}
 757   \AtEndOfPackageFile{array}{\ltj@lltjext@patch@array}
 758 }
 759
 760
 761 \endinput