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 {\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\X@tabarray}
  19 \def\tabular{\let\@halignto\@empty\X@tabular}
  20 \@namedef{tabular*}{\@ifnextchar<%>
  21    {\@stabular}{\@stabular<Z>}}
  22 \def\X@tabarray{\@ifnextchar<%>
  23    {\p@tabarray}{\p@tabarray<Z>}}
  24 \def\X@tabular{\@ifnextchar<%>
  25    {\p@tabular}{\p@tabular<Z>}}
  26 \def\@stabular<#1>#2{\def\@halignto{to#2}\p@tabular<#1>}
  27 \def\p@tabular<#1>{\leavevmode \hbox \bgroup
  28    \count@=\ltjgetparameter{direction}$\let\@acol\@tabacol
  29    \let\@classz\@tabclassz
  30    \let\@classiv\@tabclassiv \let\\\@tabularcr\p@tabarray<#1>}
  31 \def\p@tabarray<#1>{\m@th\@ifnextchar[%]
  32    {\p@array<#1>}{\p@array<#1>[c]}}
  33
  34 \def\p@array<#1>[#2]#3{%
  35   \let\box@dir\relax
  36   \if #1z\relax
  37     \ifnum\ltjgetparameter{direction}=3\relax
  38       \let\box@dir\utod\@tempcnta=\zstrutbox
  39     \fi
  40   \else
  41     \if #1y\relax
  42        \let\box@dir\yoko\@tempcnta=\strutbox
  43     \else\if #1t\relax
  44        \let\box@dir\tate\@tempcnta=\tstrutbox
  45     \else\if #1d\relax
  46        \let\box@dir\dtou\@tempcnta=\dstrutbox
  47     \else\if #1u\relax
  48        \let\box@dir\utod\@tempcnta=\zstrutbox
  49     \fi\fi\fi\fi
  50   \fi
  51   \ifx\box@dir\relax
  52     \ifcase\count@
  53        \or   \let\box@dir\dtou\@tempcnta=\dstrutbox% dtou
  54        \or\or\let\box@dir\tate\@tempcnta=\tstrutbox% tate
  55        \or   \let\box@dir\yoko\@tempcnta=\strutbox% yoko
  56        \else \let\box@dir\utod\@tempcnta=\zstrutbox% utod
  57     \fi
  58   \fi
  59   \setbox\@arstrutbox\hbox{%
  60     \box@dir
  61     \vrule\@height\arraystretch\ltjgetht\@tempcnta
  62           \@depth\arraystretch\ltjgetdp\@tempcnta \@width\z@}%
  63   \fork@array@option<#1>[#2]%
  64   \@mkpream{#3}\edef\@preamble{\ialign \noexpand\@halignto
  65   \bgroup\@arstrut \@preamble \tabskip\z@skip \cr}%
  66    \let\tabularnewline\\%
  67   \@begin@alignbox\bgroup\box@dir\adjustbaseline
  68     \let\par\@empty
  69     \let\@sharp##\let\protect\relax
  70     \lineskip\z@skip\baselineskip\z@skip\@preamble}
  71 \def\endarray{\crcr\egroup\egroup\@end@alignbox}
  72 \def\endtabular{\endarray$\egroup}
  73 \expandafter \let \csname endtabular*\endcsname = \endtabular
  74 \def\fork@array@option<#1>[#2]{%
  75 \ifnum\ltjgetparameter{direction}=4 % yoko
  76   \ifx\box@dir\yoko
  77     \if #2t\relax
  78        \let\@begin@alignbox\vtop
  79        \let\@end@alignbox\relax
  80     \else\if #2b\relax
  81        \let\@begin@alignbox\vbox
  82        \let\@end@alignbox\relax
  83     \else
  84        \let\@begin@alignbox\vcenter
  85        \let\@end@alignbox\relax
  86     \fi\fi
  87   \else
  88     \if #2t\relax
  89        \def\@begin@alignbox{\vtop\bgroup\kern\z@\vbox}%
  90        \def\@end@alignbox{\egroup}%
  91     \else\if #2b\relax
  92        \let\@begin@alignbox\vbox
  93        \let\@end@alignbox\relax
  94     \else
  95        \let\@begin@alignbox\vcenter
  96        \let\@end@alignbox\relax
  97     \fi\fi
  98   \fi
  99 \else\ifnum\ltjgetparameter{direction}=1 % dtou
 100   \ifx\box@dir\yoko
 101     \if #2t\relax
 102        \def\@begin@alignbox{\vtop\bgroup\kern\z@\vbox}%
 103        \def\@end@alignbox{\egroup}%
 104     \else\if #2b\relax
 105        \let\@begin@alignbox\vbox
 106        \let\@end@alignbox\relax
 107     \else
 108       \let\@begin@alignbox\vcenter
 109         \let\@end@alignbox\relax
 110     \fi\fi
 111   \else\ifx\box@dir\dtou
 112     \if #2t\relax
 113        \let\@begin@alignbox\vtop
 114        \let\@end@alignbox\relax
 115     \else\if #2b\relax
 116        \let\@begin@alignbox\vbox
 117        \let\@end@alignbox\relax
 118     \else
 119        \let\@begin@alignbox\vcenter
 120        \let\@end@alignbox\relax
 121     \fi\fi
 122   \else % 180 度回転→vtop, vbox を入れ替える
 123     \if #2t\relax
 124        \let\@begin@alignbox\vbox %%% !!!
 125        \let\@end@alignbox\relax
 126     \else\if #2b\relax
 127        \let\@begin@alignbox\vtop %%% !!!
 128        \let\@end@alignbox\relax
 129     \else
 130        \let\@begin@alignbox\vcenter
 131        \let\@end@alignbox\relax
 132     \fi\fi
 133   \fi\fi
 134 \else % tate, utod
 135   \ifx\box@dir\yoko
 136     \if #2t\relax
 137       \def\@begin@alignbox{\vtop\bgroup\kern\z@\vbox}%
 138       \def\@end@alignbox{\egroup}%
 139     \else\if #2b\relax
 140       \def\@begin@alignbox{\vbox\bgroup\vbox}%
 141       \def\@end@alignbox{\kern\z@\egroup}%
 142     \else
 143       \let\@begin@alignbox\vcenter
 144       \let\@end@alignbox\relax
 145     \fi\fi
 146   \else\ifx\box@dir\dtou % 180 度回転→vtop, vbox を入れ替える
 147     \if #2t\relax
 148       \let\@begin@alignbox\vbox %%% !!!
 149       \let\@end@alignbox\relax
 150     \else\if #2b\relax
 151       \let\@begin@alignbox\vtop %%% !!!
 152       \let\@end@alignbox\relax
 153     \else
 154       \let\@begin@alignbox\vcenter
 155       \let\@end@alignbox\relax
 156     \fi\fi
 157   \else
 158     \if #2t\relax
 159        \let\@begin@alignbox\vtop
 160        \let\@end@alignbox\relax
 161     \else\if #2b\relax
 162        \let\@begin@alignbox\vbox
 163        \let\@end@alignbox\relax
 164     \else
 165        \let\@begin@alignbox\vcenter
 166        \let\@end@alignbox\relax
 167     \fi\fi
 168   \fi\fi
 169 \fi\fi%
 170 }
 171
 172 %%% caption
 173 \newbox\@floatbox
 174 \newdimen\floatwidth
 175 \newdimen\floatheight
 176 \newdimen\floatruletick \floatruletick=0.4pt
 177 \newdimen\captionfloatsep \captionfloatsep=10pt
 178 \def\caption@dir{Z}
 179 \let\captiondir\relax
 180 \newdimen\captionwidth \captionwidth\z@
 181 \def\caption@posa{Z}
 182 \def\caption@posb{Z}
 183 \newbox\@captionbox
 184 \def\captionfontsetup{\normalfont\normalsize}
 185 \def\layoutfloat{\@ifnextchar(%)
 186    {\X@layoutfloat}{\X@layoutfloat(-5\p@,-5\p@)}}
 187 \def\X@layoutfloat(#1,#2){\@ifnextchar[%]
 188    {\@layoutfloat(#1,#2)}{\@layoutfloat(#1,#2)[c]}}
 189 \long\def\@layoutfloat(#1,#2)[#3]#4{%
 190   \setbox\z@\hbox{#4}%
 191   \floatwidth=#1 \floatheight=#2 \edef\float@pos{#3}%
 192   \ifdim\floatwidth<\z@
 193      \floatwidth\ltjgetwd\z@\floatruletick\z@
 194   \fi
 195   \ifdim\floatheight<\z@
 196      \floatheight\ltjgetht\z@\advance\floatheight\ltjgetdp\z@\relax
 197      \floatruletick\z@
 198   \fi
 199   \setbox\@floatbox\vbox to\floatheight{\offinterlineskip
 200     \hrule width\floatwidth height\floatruletick depth\z@
 201     \vss\hbox to\floatwidth{%
 202       \vrule width\floatruletick height\floatheight depth\z@
 203       \hss\vbox to\floatheight{\hsize\floatwidth\vss#4\vss}\hss
 204       \vrule width\floatruletick height\floatheight depth\z@
 205     }\hrule width\floatwidth height\floatruletick depth\z@}}
 206 \def\DeclareLayoutCaption#1<#2>(#3)[#4#5]{%
 207   \expandafter
 208   \ifx\csname #1@layoutcaption\endcsname\relax \else
 209     \@latex@info{Redeclaring capiton layout setting of '#1'}%
 210   \fi
 211   \expandafter
 212   \gdef\csname #1@layoutcaption\endcsname{%
 213      \if Z\caption@dir\def\caption@dir{#2}\fi
 214      \ifdim\captionwidth=\z@ \captionwidth=#3\relax\fi
 215      \if Z\caption@posa\def\caption@posa{#4}\fi
 216      \if Z\caption@posb\def\caption@posb{#5}\fi}}
 217 \@onlypreamble\DeclareLayoutCaption
 218 \DeclareLayoutCaption{figure}<y>(.8\linewidth)[cd]
 219 \DeclareLayoutCaption{table}<y>(.8\linewidth)[cu]
 220 \def\layoutcaption{\def\caption@dir{Z}\captionwidth\z@
 221   \def\caption@posa{Z}\def\caption@posb{Z}%
 222   \@ifnextchar<\X@layoutcaption{%
 223     \@ifnextchar(\@ilayoutcaption{%
 224       \@ifnextchar[\@iilayoutcaption\relax}}}
 225 \def\X@layoutcaption<#1>{\def\caption@dir{#1}%
 226   \@ifnextchar(\@ilayoutcaption{%
 227     \@ifnextchar[\@iilayoutcaption\relax}}
 228 \def\@ilayoutcaption(#1){\setlength\captionwidth{#1}%
 229   \@ifnextchar[{\@iilayoutcaption}{\relax}}
 230 \def\@iilayoutcaption[#1#2]{%
 231   \def\caption@posa{#1}\def\caption@posb{#2}}
 232 \def\pcaption{\refstepcounter\@captype \@dblarg{\@pcaption\@captype}}
 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 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\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？
 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}\@empty[s]}}
 306 \def\@iminipage<#1>[#2]{\@ifnextchar[%]
 307    {\@iiminipage<#1>{#2}}{\@iiiminipage<#1>{#2}\@empty[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       \global\@minipagetrue %% \global added 24 May 89
 346       \everypar{\global\@minipagefalse\everypar{}}}
 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     \global\@minipagefalse   %% added 24 May 89
 357   \color@endgroup
 358   \egroup
 359   \expandafter\@iiiparbox\@mpargs{\unvbox\@tempboxa}\egroup}
 360 \def\parbox{\@ifnextchar<%>
 361    {\X@parbox}{\X@parbox<Z>}}
 362 \def\X@parbox<#1>{\@ifnextchar[%]
 363    {\@iparbox<#1>}{\@iiiparbox<#1>{c}\@empty[s]}}
 364 \def\@iparbox<#1>[#2]{\@ifnextchar[%]
 365    {\@iiparbox<#1>{#2}}{\@iiiparbox<#1>{#2}\@empty[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\bgroup
 370   \setlength\@tempdima{#5}%
 371   \fork@parbox@option<#1>[#2]%
 372   \@begin@tempboxa\vbox{\box@dir
 373     \hsize\@tempdima\@parboxrestore\adjustbaseline#6\endgraf}%
 374     \ifx\@empty#3\relax\else
 375       \setlength\@tempdimb{#3}%
 376       \def\@parboxto{to\@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\egroup}
 382 \def\fork@parbox@option<#1>[#2]{%
 383   \let\box@dir\relax
 384   \if #1z\relax
 385     \ifnum\ltjgetparameter{direction}=3\relax
 386       \let\box@dir\utod
 387     \fi
 388   \else
 389     \if #1y\relax     \let\box@dir\yoko
 390     \else\if #1t\relax\let\box@dir\tate
 391     \else\if #1d\relax\let\box@dir\dtou
 392     \else\if #1u\relax\let\box@dir\utod
 393     \fi\fi\fi\fi
 394   \fi
 395   \ifx\box@dir\relax
 396     \ifcase\ltjgetparameter{direction}\relax
 397        \or   \let\box@dir\dtou
 398        \or\or\let\box@dir\tate
 399        \or   \let\box@dir\yoko
 400        \else \let\box@dir\utod
 401     \fi
 402   \fi
 403 %%% now almost same as \fork@array@option
 404 \ifnum\ltjgetparameter{direction}=4 % yoko
 405   \ifx\box@dir\yoko
 406     \if #2t\relax
 407        \let\@begin@parbox\vtop
 408        \let\@end@parbox\relax
 409     \else\if #2b\relax
 410        \let\@begin@parbox\vbox
 411        \let\@end@parbox\relax
 412     \else
 413       \def\@begin@parbox{$\vcenter}%
 414       \def\@end@parbox{\m@th$}%
 415     \fi\fi
 416   \else
 417     \if #2t\relax
 418        \def\@begin@parbox{\vtop\bgroup\kern\z@\vbox}%
 419        \def\@end@parbox{\egroup}%
 420     \else\if #2b\relax
 421        \let\@begin@parbox\vbox
 422        \let\@end@parbox\relax
 423     \else
 424       \def\@begin@parbox{$\vcenter}%
 425       \def\@end@parbox{\m@th$}%
 426     \fi\fi
 427   \fi
 428 \else\ifnum\ltjgetparameter{direction}=1 % dtou
 429   \ifx\box@dir\yoko
 430     \if #2t\relax
 431        \def\@begin@parbox{\vtop\bgroup\kern\z@\vbox}
 432        \def\@end@parbox{\egroup}
 433     \else\if #2b\relax
 434        \let\@begin@parbox\vbox
 435        \let\@end@parbox\relax
 436     \else
 437       \def\@begin@parbox{$\vcenter}%
 438       \def\@end@parbox{\m@th$}%
 439     \fi\fi
 440   \else\ifx\box@dir\dtou
 441     \if #2t\relax
 442        \let\@begin@parbox\vtop
 443        \let\@end@parbox\relax
 444     \else\if #2b\relax
 445        \let\@begin@parbox\vbox
 446        \let\@end@parbox\relax
 447     \else
 448       \def\@begin@parbox{$\vcenter}%
 449       \def\@end@parbox{\m@th$}%
 450     \fi\fi
 451   \else % 180 度回転→vtop, vbox を入れ替える
 452     \if #2t\relax
 453        \let\@begin@parbox\vbox %%% !!!
 454        \let\@end@parbox\relax
 455     \else\if #2b\relax
 456        \let\@begin@parbox\vtop %%% !!!
 457        \let\@end@parbox\relax
 458     \else
 459       \def\@begin@parbox{$\vcenter}%
 460       \def\@end@parbox{\m@th$}%
 461     \fi\fi
 462   \fi\fi
 463 \else % tate, utod
 464   \ifx\box@dir\yoko
 465     \if #2t\relax
 466       \def\@begin@parbox{\vtop\bgroup\kern\z@\vbox}%
 467       \def\@end@parbox{\egroup}%
 468     \else\if #2b\relax
 469       \def\@begin@parbox{\vbox\bgroup\vbox}%
 470       \def\@end@parbox{\kern\z@\egroup}%
 471     \else
 472       \def\@begin@parbox{$\vcenter}%
 473       \def\@end@parbox{\m@th$}%
 474     \fi\fi
 475   \else\ifx\box@dir\dtou % 180 度回転→vtop, vbox を入れ替える
 476     \if #2t\relax
 477       \let\@begin@parbox\vbox %%% !!!
 478       \let\@end@parbox\relax
 479     \else\if #2b\relax
 480       \let\@begin@parbox\vtop %%% !!!
 481       \let\@end@parbox\relax
 482     \else
 483       \def\@begin@parbox{$\vcenter}%
 484       \def\@end@parbox{\m@th$}%
 485     \fi\fi
 486   \else
 487     \if #2t\relax
 488        \let\@begin@parbox\vtop
 489        \let\@end@parbox\relax
 490     \else\if #2b\relax
 491        \let\@begin@parbox\vbox
 492        \let\@end@parbox\relax
 493     \else
 494       \def\@begin@parbox{$\vcenter}%
 495       \def\@end@parbox{\m@th$}%
 496     \fi\fi
 497   \fi\fi
 498 \fi\fi%
 499 }
 500
 501 %%% pbox
 502 \def\pbox{\leavevmode\@ifnextchar<{\X@makePbox}{\X@makePbox<Z>}}
 503 \def\X@makePbox<#1>{%
 504   \@ifnextchar[{\@imakePbox<#1>}{\@imakePbox<#1>[-5\p@]}}
 505 \def\@imakePbox<#1>[#2]{\@ifnextchar[%]
 506   {\@iimakePbox<#1>{#2}}{\@iimakePbox<#1>{#2}[c]}}
 507 \def\@iimakePbox<#1>#2[#3]#4{%
 508   \bgroup\let\box@dir\relax
 509   \if #1z\relax
 510     \ifnum\ltjgetparameter{direction}=3 \relax
 511       \let\box@dir\utod
 512     \fi
 513   \else
 514     \if #1y\relax     \let\box@dir\yoko
 515     \else\if #1t\relax\let\box@dir\tate
 516     \else\if #1d\relax\let\box@dir\dtou
 517     \else\if #1u\relax\let\box@dir\utod
 518     \fi\fi\fi\fi
 519   \fi
 520   \ifx\box@dir\relax
 521     \ifcase\ltjgetparameter{direction}
 522        \or   \let\box@dir\dtou
 523        \or\or\let\box@dir\tate
 524        \or   \let\box@dir\yoko
 525        \else \let\box@dir\utod
 526     \fi
 527   \fi
 528     \ifdim #2 <\z@ \hbox{\box@dir#4}\else
 529     \hbox to#2{\box@dir
 530                \if #3l\relax\else\hss\fi
 531                #4\relax
 532                \if #3r\relax\else\hss\fi}\fi\egroup}
 533
 534 %%% picture
 535 \def\picture{\@ifnextchar<%>
 536    {\X@picture}{\X@picture<Z>}}
 537 \def\X@picture<#1>(#2,#3){\@ifnextchar(%)
 538    {\@@picture<#1>(#2,#3)}{\@@picture<#1>(#2,#3)(0,0)}}
 539 \newdimen\@picwd
 540 \def\ltj@@pic@reset@blshift{%
 541   \ltj@yablshift\z@\ltj@ykblshift\z@
 542   \ltj@tablshift\z@\ltj@tkblshift\z@
 543 }%
 544 \def\@@picture<#1>(#2,#3)(#4,#5){%
 545   \edef\ltj@@pic@save@blshift{%
 546     \noexpand\ltj@yablshift\the\ltj@yablshift\noexpand\relax
 547     \noexpand\ltj@ykblshift\the\ltj@ykblshift\noexpand\relax
 548     \noexpand\ltj@tablshift\the\ltj@tablshift\noexpand\relax
 549     \noexpand\ltj@tkblshift\the\ltj@tkblshift\noexpand\relax
 550   }%
 551   \bgroup\let\box@dir\relax
 552   \if #1z\relax
 553     \ifnum\ltjgetparameter{direction}=3 \relax
 554       \let\box@dir\utod
 555     \fi
 556   \else
 557     \if #1y\relax     \let\box@dir\yoko
 558     \else\if #1t\relax\let\box@dir\tate
 559     \else\if #1d\relax\let\box@dir\dtou
 560     \else\if #1u\relax\let\box@dir\utod
 561     \fi\fi\fi\fi
 562   \fi
 563   \ifx\box@dir\relax
 564     \ifcase\ltjgetparameter{direction}
 565        \or   \let\box@dir\dtou
 566        \or\or\let\box@dir\tate
 567        \or   \let\box@dir\yoko
 568        \else \let\box@dir\utod
 569     \fi
 570   \fi
 571   \@picwd=#2\unitlength \@picht=#3\unitlength
 572   \setbox\@picbox\hbox to\@picwd\bgroup\box@dir
 573   \hskip-#4\unitlength\lower#5\unitlength\hbox\bgroup
 574   \ltj@@pic@reset@blshift
 575   \ignorespaces}
 576 \def\endpicture{%
 577   \egroup\hss\egroup
 578   \setbox0=\hbox{\box@dir%
 579     \ltjsetht\@picbox\@picht \ltjsetdp\@picbox\z@
 580   }%
 581   \@tempswafalse
 582   \ifnum\ltjgetparameter{direction}=3  \@tempswatrue\fi
 583   \ifnum\ltjgetparameter{direction}=11  \@tempswatrue\fi
 584   \if@tempswa
 585     \ifx\box@dir\yoko % この場合だけ垂直位置補正が必要
 586      \ltjsetht\@picbox\dimexpr\ltjgetht\@picbox+\ltjgetdp\@picbox\relax
 587       \ltjsetdp\@picbox\z@
 588     \fi
 589   \fi
 590   \mbox{\box\@picbox}%
 591   \egroup\ltj@@pic@save@blshift}
 592 \let\org@put\put
 593 \def\put{\ltj@@pic@reset@blshift\org@put}
 594 \let\org@line\line
 595 \def\line{\ltj@@pic@reset@blshift\org@line}
 596 \let\org@vector\vector
 597 \def\vector{\ltj@@pic@reset@blshift\org@vector}
 598 \let\org@dashbox\dashbox
 599 \def\dashbox{\ltj@@pic@reset@blshift\org@dashbox}
 600 \let\org@oval\oval
 601 \def\oval{\ltj@@pic@reset@blshift\org@oval}
 602 \let\org@circle\circle
 603 \def\circle{\ltj@@pic@reset@blshift\org@circle}
 604
 605 %%% rensuji
 606 \newif\ifnot@advanceline
 607 \newskip\rensujiskip
 608 \rensujiskip=0.25\chs plus.25\zw minus.25\zw
 609 \DeclareRobustCommand\rensuji{%
 610   \@ifstar{\not@advancelinetrue\@rensuji}{\@rensuji}}
 611 \def\@rensuji{\@ifnextchar[{\@@rensuji}{\@@rensuji[c]}}
 612 \def\@@rensuji[#1]#2{\ifnum\ltjgetparameter{direction}=4\relax%
 613   \hbox{#2}\else
 614   \hskip\rensujiskip
 615   \ifvmode\leavevmode\fi
 616   \setbox\tw@\hbox{漢}% 「あ」では仮名書体使用時がまずそう
 617   \@tempdimb\ltjgetht\tw@ \advance\@tempdimb\ltjgetdp\tw@
 618   \ifnot@advanceline\not@advancelinefalse\else
 619     \setbox\z@\hbox{\yoko#2}%
 620     \@tempdima\ltjgetht\z@ \advance\@tempdima\ltjgetdp\z@
 621     \ifnum\ltjgetparameter{direction}=1\relax
 622       % 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．
 623       \if #1c\relax\vrule \@width \z@ \@height\dimexpr.5\@tempdima+.5\ltjgetht\tw@-.5\ltjgetdp\tw@
 624                           \@depth\dimexpr.5\@tempdima-.5\ltjgetht\tw@+.5\ltjgetdp\tw@
 625       \else\if #1l\relax\vrule\@width \z@\@height\ltjgetht\tw@ \@depth\dimexpr\@tempdima-\ltjgetht\tw@
 626       \else\vrule\@width \z@ \@height\dimexpr\@tempdima-\ltjgetdp\tw@ \@depth\ltjgetdp\tw@
 627       \fi\fi
 628     \else
 629       % 周囲が tate, utod の場合も同じ
 630       \if #1c\relax\vrule \@width \z@ \@height\dimexpr.5\@tempdima+.5\ltjgetht\tw@-.5\ltjgetdp\tw@
 631                           \@depth\dimexpr.5\@tempdima-.5\ltjgetht\tw@+.5\ltjgetdp\tw@
 632       \else\if #1r\relax\vrule\@width \z@\@height\ltjgetht\tw@ \@depth\dimexpr\@tempdima-\ltjgetht\tw@
 633       \else\vrule\@width \z@ \@height\dimexpr\@tempdima-\ltjgetdp\tw@ \@depth\ltjgetdp\tw@
 634       \fi\fi
 635     \fi
 636   \fi
 637   \ifnum\ltjgetparameter{direction}=1\relax
 638     \if #1c\relax\hbox to\@tempdimb{\yoko\hss#2\hss\kern-\ltjgetdp\tw@}%
 639     \else\if #1r\relax\vbox{\hbox to\@tempdimb{\yoko\hss#2\kern-\ltjgetdp\tw@}}%
 640     \else\lower\ltjgetdp\tw@\vtop{\hbox to\@tempdimb{\yoko#2\hss}}%
 641     \fi\fi
 642   \else
 643     \if #1c\relax\raise\dimexpr.5\@tempdimb-\ltjgetdp\tw@
 644         \hbox to\@tempdimb{\yoko \hss#2\hss}%
 645     \else\if #1r\relax\raise\dimexpr.5\@tempdimb-\ltjgetdp\tw@
 646         \vbox{\hbox to\@tempdimb{\yoko\hss#2}}%
 647     \else\raise\dimexpr.5\@tempdimb-\ltjgetdp\tw@
 648          \vtop{\hbox to\@tempdimb{\yoko #2\hss}}%
 649     \fi\fi
 650   \fi
 651   \hskip\rensujiskip
 652 \fi}
 653 \let\Rensuji\rensuji
 654 \let\prensuji\rensuji
 655
 656 %%% kanji
 657 \def\Kanji#1{\expandafter\@Kanji\csname c@#1\endcsname}
 658 \def\@Kanji#1{\expandafter\kansuji\number #1}
 659 \def\kanji{\ifnum\ltjgetparameter{direction}=3 \expandafter\kansuji\fi}
 660
 661 %%% bou
 662 %%%
 663 \def\boutenchar{\char\euc"A1A2}%"
 664 \def\bou#1{\ifvmode\leavevmode\fi\@bou#1\end}
 665 \def\@bou#1{%
 666   \ifx#1\end \let\next=\relax
 667   \else
 668     \ifnum\ltjgetparameter{direction}=3\relax
 669       \hbox to\z@{\vbox to\z@{\boxmaxdepth\maxdimen
 670         \vss\moveleft0.2\zw\hbox{\yoko\boutenchar}\nointerlineskip
 671         \hbox{\char\euc"A1A1}}\hss}\nobreak#1\relax
 672     \else
 673       \hbox to\z@{\vbox to\z@{\boxmaxdepth\maxdimen
 674         \vss\moveleft-0.2\zw\hbox{\boutenchar}\nointerlineskip
 675         \hbox{\char\euc"A1A1}}\hss}\nobreak#1\relax
 676     \fi
 677     \let\next=\@bou
 678   \fi\next}
 679
 680 %%% kasen
 681 \def\kasen#1{%
 682   \ifnum\ltjgetparameter{direction}=3\relax
 683     \setbox\z@\hbox{#1}\leavevmode\raise.7\zw
 684     \hbox to\z@{\vrule\@width\wd\z@ \@depth\z@ \@height.4\p@\hss}%
 685     \box\z@
 686   \else\underline{#1}\fi}
 687
 688 %%% references
 689 \def\@eqnnum{{\reset@font\rmfamily \normalcolor
 690   \ifnum\ltjgetparameter{direction}=3 \raise.25\zh\hbox{\yoko(\theequation)}%
 691   \else (\theequation)\fi}}
 692 \def\@thecounter#1{\noexpand\rensuji{\noexpand\arabic{#1}}}
 693 \def\@thmcounter#1{\noexpand\rensuji{\noexpand\arabic{#1}}}
 694
 695 %% Compatibility with array package
 696
 697 \def\ltj@lltjext@patch@array{%
 698   \def\@startpbox##1{\bgroup
 699    \box@dir\adjustbaseline%%% これを追加
 700    \hsize=##1\@arrayparboxrestore
 701      \everypar{%
 702         \vrule \@height \ltjgetht\@arstrutbox \@width \z@
 703         \everypar{}}%
 704      }
 705   \def\@tabarray{\@ifnextchar<\p@tabarray{\p@tabarray<Z>}}
 706   \def\p@array<##1>[##2]##3{%
 707     \let\box@dir\relax
 708     \if ##1z\relax
 709       \ifnum\ltjgetparameter{direction}=3\relax
 710         \let\box@dir\utod\@tempcnta=\zstrutbox
 711       \fi
 712     \else
 713       \if ##1y\relax
 714         \let\box@dir\yoko\@tempcnta=\strutbox
 715       \else\if ##1t\relax
 716         \let\box@dir\tate\@tempcnta=\tstrutbox
 717       \else\if ##1d\relax
 718          \let\box@dir\dtou\@tempcnta=\dstrutbox
 719       \else\if ##1u\relax
 720          \let\box@dir\utod\@tempcnta=\zstrutbox
 721       \fi\fi\fi\fi
 722     \fi
 723     \ifx\box@dir\relax
 724       \ifcase\ltjgetparameter{direction}
 725          \or   \let\box@dir\dtou\@tempcnta=\tabskip \z@\tabskip \z@\dstrutbox% dtou
 726          \or\or\let\box@dir\tate\@tempcnta=\tstrutbox% tate
 727          \or   \let\box@dir\yoko\@tempcnta=\strutbox% yoko
 728          \else \let\box@dir\utod\@tempcnta=\zstrutbox% utod
 729       \fi
 730     \fi
 731     \setbox \@arstrutbox \hbox{\box@dir\vrule
 732                \@height \arraystretch
 733                  \dimexpr \ltjgetht\@tempcnta+\extrarowheight\relax
 734                \@depth \arraystretch \ltjgetdp \@tempcnta
 735                \@width \z@}%
 736     \fork@array@option<##1>[##2]%
 737     \begingroup
 738     \@mkpream{##3}%
 739     \xdef\@preamble{\ialign \noexpand \@halignto
 740                     \bgroup \tabskip \z@skip \@arstrut \@preamble
 741                             \tabskip \z@ \cr}%
 742     \endgroup
 743     \@arrayleft
 744     \@begin@alignbox\bgroup\box@dir\adjustbaseline
 745       \let\par\@empty
 746       \let\@sharp####\let\protect\relax
 747       \let\\\@arraycr\let\tabularnewline\\\let\par\@empty
 748      \lineskip\z@skip\baselineskip\z@skip\@preamble}
 749   \def\endarray{\crcr\egroup\egroup\@end@alignbox\@arrayright}
 750 }
 751
 752 \@ifpackageloaded{array}{%
 753   \expandafter\let\csname tabular*\endcsname=\ltj@lltjext@orig@tabularS
 754   \let\tabular=\ltj@lltjext@orig@tabular
 755   \let\array=\ltj@lltjext@orig@array
 756   \ltj@lltjext@patch@array
 757 }{%
 758   \let\ltj@lltjext@orig@tabularS\relax
 759   \let\ltj@lltjext@orig@tabular\relax
 760   \let\ltj@lltjext@orig@array\relax
 761   \RequirePackage{filehook}
 762   \AtEndOfPackageFile{array}{\ltj@lltjext@patch@array}
 763 }
 764
 765
 766 \endinput