source: trunk/anuga_core/documentation/user_manual/fancybox.sty @ 7828

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1%% BEGIN fancybox.sty
2%%
3%% With corrections and suggestions from:
4%%   - Marcin Wolinski <wolinski@melkor.mimuw.edu.pl>
5%%   - Heiko Oberdiek  <oberdiek@ruf.uni-freiburg.de>
6%%
7\def\fileversion{1.3}
8\def\filedate{2000/09/19}
9% DG/SR modification begin - September 19, 2000
10% (suggested by Heiko Oberdiek <oberdiek@ruf.uni-freiburg.de>)
11\@ifundefined{ProvidesPackage}{}{%
12  \ProvidesPackage{fancybox}[\filedate\space\fileversion]}
13% DG/SR modification end
14% DG/SR modification begin - May 16, 1997
15\providecommand\@begindvi{} % For rather old versions of LaTeX 2e
16% DG/SR modification end
17% DG/SR modification begin - Feb. 27, 1997
18% Now defined only in latex209.def
19\def\@lquote{\leavevmode{\kern\z@}`}
20% DG/SR modification end
21%%
22%% COPYRIGHT 1993, by Timothy Van Zandt, tvz@Princeton.EDU
23%%
24%% DESCRIPTION:
25%%   fancybox.sty is a LaTeX style option, consisting of:
26%%   * Variants of \fbox: \shadowbox, \doublebox, \ovalbox, \Ovalbox.
27%%   * Helpful tools for using box macros.
28%%   * Extensive documentation about how to use box macros.
29%%   * Flexible verbatim macros.
30%%
31%% INSTALLATION:
32%%   Put this file where your TeX looks for inputs.
33%%
34%% DOCUMENTATION:
35%%  See fancybox.doc, which might be appended to this file.
36%%
37%% COPYING:
38%%   The files of this package "fancybox" are released under the Artistic
39%%   License. A copy of that license is included in the file atristic.txt.
40%%   The package consists of the following files:
41%%     fancybox.doc
42%%     fancybox.sty
43%%
44%% CODE:
45\expandafter\ifx\csname fb@framepage\endcsname\relax\else
46  \expandafter\endinput
47\fi
48\typeout{Style option: `fancybox' v\fileversion \space  <\filedate> (tvz)}
49
50\newbox\@fancybox
51\@ifundefined{@tempdimc}{\newdimen\@tempdimc}{}
52
53%% \shadowbox
54
55\newdimen\shadowsize
56\shadowsize 4pt
57
58\def\shadowbox{\VerbBox\@shadowbox}
59\def\@shadowbox#1{%
60  \setbox\@fancybox\hbox{\fbox{#1}}%
61  \leavevmode\vbox{%
62    \offinterlineskip
63    \dimen@=\shadowsize
64    \advance\dimen@ .5\fboxrule
65    \hbox{\copy\@fancybox\kern-.5\fboxrule\lower\shadowsize\hbox{%
66      \vrule \@height\ht\@fancybox \@depth\dp\@fancybox \@width\dimen@}}%
67    \vskip-\dimen@
68    \moveright\shadowsize\vbox{%
69      \hrule \@width\wd\@fancybox \@height\dimen@}}}
70
71% \fancyoval
72
73\def\cornersize{\@ifstar{\@cornersize}{\@@cornersize}}
74\def\@cornersize#1{%
75  \@tempdima=#1\relax
76  \edef\the@cornersize{\number\@tempdima sp}}
77\def\@@cornersize#1{%
78  \edef\the@cornersize{#1\noexpand\@tempdimb}}
79\cornersize{.5}
80
81% This is just a simple change to \oval, making use of the \cornersize
82% parameter instead of making the corner arcs are large as possible.
83
84\def\fancyoval(#1,#2){\@ifnextchar[{\fancy@oval(#1,#2)}{\fancy@oval(#1,#2)[]}}
85
86\def\fancy@oval(#1,#2)[#3]{%
87  \begingroup
88    \fancy@@oval{#1\unitlength}{#2\unitlength}{#3}%
89    \@put{-.5\wd\@tempboxa}{-.5\ht\@tempboxa}{\ht\@tempboxa=\z@\box\@tempboxa}%
90  \endgroup}
91
92\def\fancy@@oval#1#2#3{%
93  \boxmaxdepth \maxdimen
94  \@ovttrue \@ovbtrue \@ovltrue \@ovrtrue
95  \@tfor\@tempa :=#3\do{\csname @ov\@tempa false\endcsname}%
96  \@ovxx#1\relax
97  \advance\@ovxx-\@wholewidth
98  \@ovyy#2\relax
99  \advance\@ovyy-\@wholewidth
100  \@tempdimb \ifdim \@ovyy >\@ovxx \@ovxx\else \@ovyy \fi
101  \advance\@tempdimb-2\p@
102  \ifdim\@tempdimb>\the@cornersize\relax
103    \@tempdimb=\the@cornersize
104  \fi
105  \@getcirc\@tempdimb
106  \@ovro\ht\@tempboxa \@ovri\dp\@tempboxa
107  \@ovdx\@ovxx \advance\@ovdx-\@tempdima \divide\@ovdx \tw@
108  \@ovdy\@ovyy \advance\@ovdy-\@tempdima \divide\@ovdy \tw@
109  \@circlefnt
110  \setbox\@tempboxa\hbox{%
111    \if@ovr \@ovvert32\kern -\@tempdima \fi
112    \if@ovl \kern \@ovxx \@ovvert01\kern -\@tempdima \kern -\@ovxx \fi
113    \if@ovt \@ovhorz \kern -\@ovxx \fi
114    \if@ovb \raise \@ovyy \@ovhorz \fi}%
115  \advance\@ovdx\@ovro
116  \advance\@ovdy\@ovro
117  \advance\@ovxx\@wholewidth
118  \wd\@tempboxa=\@ovxx
119  \dp\@tempboxa=\z@}
120
121% \ovalbox
122
123\def\ovalbox{\VerbBox{\@ovalbox\thinlines}}
124\def\Ovalbox{\VerbBox{\@ovalbox\thicklines}}
125\def\@ovalbox#1#2{%
126  \begingroup
127    #1\relax
128    \setbox\@fancybox\hbox{{#2}}%
129    \@tempdimc\fboxsep \advance\@tempdimc\@wholewidth
130    \@tempdima\ht\@fancybox \advance\@tempdima\dp\@fancybox
131    \advance\@tempdima2\@tempdimc
132    \@tempdimb\wd\@fancybox \advance\@tempdimb2\@tempdimc
133    \fancy@@oval\@tempdimb\@tempdima{}%
134    \@tempdima\dp\@fancybox \advance\@tempdima\@tempdimc
135    \wd\@tempboxa=\z@
136    \leavevmode\hbox{%
137      \lower\@tempdima\box\@tempboxa
138      \kern\@tempdimc\box\@fancybox\kern\@tempdimc}%
139  \endgroup}
140
141% \doublebox
142
143\def\doublebox{\VerbBox\@doublebox}
144\def\@doublebox#1{%
145  \begingroup
146    \setbox\@fancybox\hbox{{#1}}%
147    \fboxrule=.75\fboxrule
148    \setbox\@fancybox\hbox{\fbox{\box\@fancybox}}%
149    \fboxrule=2\fboxrule
150    \fboxsep=\fboxrule
151    \advance\fboxsep .5pt
152    \fbox{\box\@fancybox}%
153  \endgroup}
154
155% Frames for seminar.sty:
156
157\@ifundefined{newslideframe}{}{%
158  \newslideframe{shadow}{\shadowbox{#1}}
159  \newslideframe{double}{\doublebox{#1}}
160  \newslideframe{oval}{\ovalbox{#1}}
161  \newslideframe{Oval}{\Ovalbox{#1}}}
162
163% Sbox environment
164
165\newbox\@Sbox
166
167\def\Sbox{\global\setbox\@Sbox\hbox\bgroup\ignorespaces}
168
169\def\endSbox{%
170  \@testtrue\ifhmode\ifinner\@testfalse\fi\fi
171  \if@test\@latexerr{Misplaced \string\endSbox! Should be in LR mode}\@ehd\fi
172  \egroup}
173
174\def\TheSbox{%
175  \ifvoid\@Sbox
176    \@latexerr{\string\TheSbox\space is empty!}\@ehd
177  \else
178    \box\@Sbox
179  \fi}
180
181\def\beginsbox#1{\setbox#1\hbox\bgroup\ignorespaces}
182
183\def\endsbox{\endSbox}
184
185% \VerbBox
186
187\newtoks\do@VerbBox
188
189\def\VerbBox#1{%
190  \do@VerbBox{#1}%
191  \afterassignment\begin@VerbBox
192  \setbox\@fancybox=\hbox}
193\def\begin@VerbBox{\aftergroup\end@VerbBox}
194\def\end@VerbBox{\the\do@VerbBox{\box\@fancybox}}%
195
196% \Btrivlist
197
198\def\@Blistrestore{%
199  \let\par\relax
200  \let\-\@dischyph \let\'\@acci \let\`\@accii \let\=\@acciii
201  \lineskip\normallineskip \baselineskip\normalbaselineskip}
202
203\def\Btrivlist#1{\@ifnextchar[{\@Btrivlist{#1}}{\@Btrivlist{#1}[]}}
204\def\@Btrivlist#1[#2]{%
205  \@Blistrestore
206  \let\\=\@Btrivlistcr
207  \fb@beginvbox{#2}%
208  \halign\bgroup
209    \if#1l\else\@empty\hfil\fi
210    \ignorespaces##\unskip
211    \if#1r\@empty\else\hfil\fi\cr}
212\def\endBtrivlist{\crcr\egroup\egroup\if@pboxsw$\fi}
213
214\def\fb@beginvbox#1{%
215  \leavevmode
216  \@pboxswfalse
217  \if#1b\@empty\vbox\else\if#1t\@empty\vtop\else
218    \ifmmode\vcenter\else\@pboxswtrue$\vcenter\fi
219  \fi\fi\bgroup}
220
221\def\@Btrivlistcr{\@ifstar
222  {\@ifnextchar[{@@Btrivlistcr}{\cr}}{\@ifnextchar[{\@@Btrivlistcr}{\cr}}}
223\def\@@Btrivlistcr[#1]{\cr\noalign{\vskip #1}}
224
225\def\Bcenter{\Btrivlist{c}}
226\def\endBcenter{\endBtrivlist}
227
228\def\Bflushleft{\Btrivlist{l}}
229\def\endBflushleft{\endBtrivlist}
230
231\def\Bflushright{\Btrivlist{r}}
232\def\endBflushright{\endBtrivlist}
233
234% \Blist
235
236\def\Blist#1#2{\@ifnextchar[{\@Blist{#1}{#2}}{\@Blist{#1}{#2}[]}}
237
238\def\@Blist#1#2[#3]{%
239  \ifnum\@listdepth>5
240    \@toodeep
241  \else
242    \global\advance\@listdepth\@ne
243  \fi
244  \itemindent\z@
245  \csname @list\romannumeral\the\@listdepth\endcsname
246  \def\@itemlabel{#1}%
247  \let\makelabel\@mklab
248  \@nmbrlistfalse
249  \@Blistrestore
250  \let\\=\@Blistcr
251  \let\item\Bitem
252  \@Bitemswfalse
253  #2\relax
254  \fb@beginvbox{#3}%
255  \halign\bgroup
256    \ignorespaces##&\hskip\labelsep\ignorespaces##\unskip\hfil\cr}
257
258\def\endBlist{\endBtrivlist\global\advance\@listdepth\m@ne}
259
260\newif\if@Bitemsw
261
262\def\Bitem{\@ifnextchar({\@Bitemcr\Bitem@skip}{\@Bitemcr\@Bitem}}
263
264\def\@Bitemcr{%
265  \if@Bitemsw
266    \def\next{\cr\noalign{\vskip\itemsep}}%
267  \else
268    \def\next{\global\@Bitemswtrue}%
269  \fi
270  \next}
271
272\def\Bitem@skip(#1){\noalign{\vskip #1}\@Bitem}
273
274\def\@Bitem{\@ifnextchar[{\Bitem@label}{\Bitem@nolabel}}
275
276\def\Bitem@label[#1]{\makelabel{#1}&}
277
278\def\Bitem@nolabel{%
279  \if@nmbrlist
280    \expandafter\advance\csname c@\@listctr\endcsname1 \fi
281  \makelabel{\@itemlabel}%
282  &%
283  \if@nmbrlist\refstepcounter{\@listctr}\fi}
284
285\def\@Blistcr{\@ifstar
286  {\@ifnextchar[{@@Blistcr}{\cr&}}{\@ifnextchar[{\@@Blistcr}{\cr&}}}
287
288\def\@@Blistcr[#1]{\cr\noalign{\vskip #1}&}
289
290% \Bitemize
291
292\def\Bitemize{%
293  \ifnum\@itemdepth>3
294    \@toodeep
295  \else
296    \advance\@itemdepth\@ne
297  \fi
298  \edef\@itemitem{labelitem\romannumeral\the\@itemdepth}%
299  \Blist{\csname\@itemitem\endcsname}{\def\makelabel####1{\hfil####1}}}
300\def\endBitemize{\endBlist}
301
302% \Bdescription
303
304\def\Bdescription{\Blist{}{\def\makelabel####1{\bf####1\hfil}}}
305\def\endBdescription{\endBlist}
306
307% \Benumerate
308
309\def\Benumerate{%
310  \ifnum\@enumdepth>3
311    \@toodeep
312  \else
313    \advance\@enumdepth\@ne
314  \fi
315  \edef\@enumctr{enum\romannumeral\the\@enumdepth}%
316  \Blist{\csname label\@enumctr\endcsname}%
317    {\usecounter{\@enumctr}\def\makelabel####1{\hfil####1}}}
318\def\endBenumerate{\endBlist}
319
320% Beqnarray
321
322\def\Beqnarray{%
323  \stepcounter{equation}%
324  \let\@currentlabel\theequation
325  \def\@eqnnum{{\csname reset@font\endcsname\rm (\theequation)}}%
326  \global\@eqnswtrue\m@th
327  \global\@eqcnt\z@
328  \tabskip\@centering
329  \let\\\@eqncr
330  \vbox\bgroup
331    \halign\bgroup
332      \@eqnsel
333        \hskip\@centering
334        $\displaystyle\tabskip\z@{##}$%
335      &\global\@eqcnt\@ne
336        \hskip 2\arraycolsep
337        \hfil${##}$\hfil
338      &\global\@eqcnt\tw@
339        \hskip 2\arraycolsep
340        $\displaystyle\tabskip\z@{##}$%
341        \hfil
342        \tabskip\@centering
343      &\if@eqnsw\hskip 1em\fi
344        \hfil{##}\tabskip\z@
345      \cr}
346
347\def\endBeqnarray{%
348  \@@eqncr
349  \egroup
350  \global\advance\c@equation\m@ne
351  \egroup
352  \global\@ignoretrue}
353
354\@namedef{Beqnarray*}{\def\@eqncr{\nonumber\@seqncr}\Beqnarray}
355\@namedef{endBeqnarray*}{\nonumber\endBeqnarray}
356
357% \fb@outputage
358
359% Here we insert various hooks for rotating or framing the page.
360% Otherwise, it is the usual \@outputpage
361
362\def\fb@outputpage{%
363  \begingroup
364    \catcode`\ =10
365    \let\-\@dischyph
366    \let\'\@acci
367    \let\`\@accii
368    \let\=\@acciii
369    \if@specialpage
370      \global\@specialpagefalse\@nameuse{ps@\@specialstyle}%
371    \fi
372    \if@twoside
373      \ifodd\count\z@
374        \let\@thehead\@oddhead
375        \let\@thefoot\@oddfoot
376        \let\@themargin\oddsidemargin
377      \else
378        \let\@thehead\@evenhead
379        \let\@thefoot\@evenfoot
380        \let\@themargin\evensidemargin
381      \fi
382    \fi
383    \csname reset@font\endcsname
384    \normalsize
385    \baselineskip\z@
386    \lineskip\z@
387    \let\par\@@par
388    \ifx\this@fancypage\@empty\else
389      \this@fancypage
390      \gdef\this@fancypage{}%
391    \fi
392    \ifx\the@fancypage\@empty\else
393      \setbox\@outputbox\hbox{\the@fancypage{\box\@outputbox}}%
394    \fi
395    \ifx\fb@@rotatepage\@empty\else
396      \setbox\@outputbox\hbox{\fb@@rotatepage{\box\@outputbox}}%
397    \fi
398    \setbox\@outputbox\vbox{%
399      \@tempdima=\wd\@outputbox
400      \setbox\@tempboxa=\hbox to\@tempdima{%
401        \let\label\@gobble
402        \let\index\@gobble
403        \let\glossary\@gobble
404        \@thehead}%
405      \ht\@tempboxa\headheight
406      \dp\@tempboxa\z@
407      \box\@tempboxa
408      \vskip\headsep
409      \box\@outputbox
410      \baselineskip\footskip
411      \hbox to\@tempdima{%
412        \let\label\@gobble
413        \let\index\@gobble
414        \let\glossary\@gobble
415        \@thefoot}}
416    \ifx\the@@fancypage\@empty\else
417      \setbox\@outputbox\hbox{\the@@fancypage{\box\@outputbox}}%
418    \fi
419    \setbox\@outputbox\vbox{%
420      \ifnum\fancyput@flag>-1 \do@fancyput\fi
421      \vskip\topmargin
422      \moveright\@themargin\box\@outputbox}%
423    \ifx\fb@rotatepage\@empty\else
424       \setbox\@outputbox\hbox{\lower\ht\@outputbox\box\@outputbox}%
425       \dp\@outputbox\z@
426       \wd\@outputbox\z@
427       \setbox\@outputbox\hbox{\fb@rotatepage{\box\@outputbox}}%
428       \expandafter\fb@setoffsets\fb@theoffsets
429    \fi
430% DG/SR modification begin - September 19, 2000
431% (suggested by Marcin Wolinski <wolinski@melkor.mimuw.edu.pl> and
432%  Heiko Oberdiek <oberdiek@ruf.uni-freiburg.de>)
433    \let\protect\noexpand
434% DG/SR modification end
435    \shipout\box\@outputbox
436    \global\@colht\textheight
437  \endgroup
438  \stepcounter{page}%
439  \let\firstmark\botmark}
440
441% \fancypage
442
443\def\the@fancypage{}
444\def\the@@fancypage{}
445\def\this@fancypage{}
446
447\def\fancypage#1#2{%
448% DG/SR modification begin - May 16, 1997
449  \@begindvi                    % Need today by LaTeX 2e
450% DG/SR modification end
451  \def\the@fancypage{#1}%
452  \def\the@@fancypage{#2}%
453  \def\@outputpage{\fb@outputpage}}
454
455\def\thisfancypage#1#2{%
456% DG/SR modification begin - May 16, 1997
457  \@begindvi                    % Need today by LaTeX 2e
458% DG/SR modification end
459  \gdef\@outputpage{\fb@outputpage}%
460  \gdef\this@fancypage{\def\the@fancypage{#1}\def\the@@fancypage{#2}}}
461
462% \fancyput
463
464% Token registers used to make it easier to put definitions in argument.
465% Boxes not processed until output so that contents can depend, e.g., on
466% current page or marks or whatever. This makes everything slightly more
467% complicated than one would expect.
468
469\newtoks\the@fancyput
470\newtoks\this@fancyput
471\def\fancyput@flag{-1}%
472
473% \fancyput@flag=-1 if no fancyput, 0 if regular fancyput, 1 if thisfancyput.
474
475\def\fancyput{%
476% DG/SR modification begin - May 16, 1997
477  \@begindvi                    % Need today by LaTeX 2e
478% DG/SR modification end
479  \def\@outputpage{\fb@outputpage}
480  \@ifstar{\@testtrue\@fancyput}{\@testfalse\@fancyput}}
481\def\@fancyput{\@ifnextchar({\@@fancyput}{\@@fancyput(\z@,\z@)}}
482\def\@@fancyput(#1,#2)#3{%
483  \if@test
484    \expandafter\the@fancyput\expandafter{\the\the@fancyput\do{#1}{#2}{#3}}%
485  \else
486    \the@fancyput{\do{#1}{#2}{#3}}%
487  \fi
488  \gdef\fancyput@flag{\z@}}
489
490\def\thisfancyput{%
491% DG/SR modification begin - May 16, 1997
492  \@begindvi                    % Need today by LaTeX 2e
493% DG/SR modification end
494  \gdef\@outputpage{\fb@outputpage}
495  \@ifstar{\@testtrue\@thisfancyput}{\@testfalse\@thisfancyput}}
496\def\@thisfancyput{\@ifnextchar({\@@thisfancyput}{\@@thisfancyput(\z@,\z@)}}
497\def\@@thisfancyput(#1,#2)#3{%
498  \if@test
499    \ifnum\fancyput@flag=\z@
500      \expandafter\global\expandafter\this@fancyput\expandafter{%
501        \the\this@fancyput\do{#1}{#2}{#3}}%
502    \else
503      \expandafter\global\expandafter\this@fancyput\expandafter{%
504        \the\the@fancyput\do{#1}{#2}{#3}}%
505    \fi
506  \else
507    \global\this@fancyput{\do{#1}{#2}{#3}}%
508  \fi
509  \gdef\fancyput@flag{1}}
510
511\def\do@fancyput{%
512  \def\do##1##2##3{\raise##2\hbox to\z@{\kern##1\relax##3\hss}}%
513  \setbox\@tempboxa=\hbox to\z@{%
514    \kern-\hoffset
515    \raise\voffset\hbox{%
516      \ifnum\fancyput@flag=\z@\the\the@fancyput\else\the\this@fancyput\fi}%
517    \hss}%
518  \ht\@tempboxa=\z@ \dp\@tempboxa=\z@
519  \box\@tempboxa
520  \gdef\fancyput@flag{\z@}%
521  \global\this@fancyput{}}
522
523% \Landscape
524
525\def\UsePageParameters{%
526  \clearpage
527  \global\@colht\textheight
528  \onecolumn}
529
530\def\fb@rotatepage{}
531
532
533\def\Landscape{\@ifstar{\@testtrue\@Landscape}{\@testfalse\@Landscape}}
534\def\@Landscape#1#2#3{%
535% DG/SR modification begin - May 16, 1997
536  \@begindvi                    % Need today by LaTeX 2e
537% DG/SR modification end
538  \clearpage
539  \def\fb@rotatepage{#3}%
540  \def\@outputpage{\fb@outputpage}%
541  \@tempdima#1\relax
542  \@tempdimb#2\relax
543  \if@test
544    \edef\fb@theoffsets{{\voffset}{\hoffset}{\number\@tempdima sp}}%
545  \else
546    \edef\fb@theoffsets{{\hoffset}{\voffset}{\number\@tempdimb sp}}%
547  \fi
548  \advance\@tempdimb-\@tempdima
549  \advance\textwidth\@tempdimb
550  \advance\textheight-\@tempdimb
551  \UsePageParameters}
552\def\endLandscape{\clearpage\aftergroup\UsePageParameters}
553
554\def\fb@setoffsets#1#2#3{%
555  \@tempdima#1%
556  \advance#1#2%
557  #2#3
558  \advance#2-2in
559  \advance#2-\@tempdima}
560
561\@namedef{Landscape*}{\@testtrue\@Landscape}
562\@namedef{endLandscape*}{\endLandscape}
563
564% \LandScape
565
566\def\fb@@rotatepage{}
567
568\def\LandScape#1{%
569% DG/SR modification begin - May 16, 1997
570  \@begindvi                    % Need today by LaTeX 2e
571% DG/SR modification end
572  \clearpage
573  \def\fb@@rotatepage{#1}%
574  \def\@outputpage{\fb@outputpage}%
575  \@tempdima\textheight
576  \textheight\textwidth
577  \textwidth\@tempdima
578  \UsePageParameters}
579\def\endLandScape{\clearpage\aftergroup\UsePageParameters}
580
581% \GenericCaption
582
583\def\GenericCaption#1{%
584  \par
585  \begingroup
586    \@parboxrestore
587    \normalsize
588    \vskip 10\p@
589    \setbox\@tempboxa\hbox{#1}%
590    \ifdim\wd\@tempboxa>\hsize
591      #1\par
592    \else
593      \hbox to\hsize{\hfil\box\@tempboxa\hfil}%
594    \fi
595  \endgroup
596  \par}
597
598% \landfloat
599
600\def\landfloat#1#2{%
601  \gdef\curr@landfloat{#1}%
602  \gdef\float@rotation{#2}%
603  \begin{#1}[p]%
604    \setbox\@tempboxa\vbox\bgroup
605      \hsize\@colht
606      \@parboxrestore}
607\def\endlandfloat{%
608      \par\vskip\z@
609    \egroup
610    \setbox\@tempboxa\hbox{\float@rotation{\box\@tempboxa}}%
611    \centerline{\box\@tempboxa}%
612  \expandafter\end\expandafter{\curr@landfloat}}
613
614% \boxput
615
616\def\boxput{\@ifstar{\@testtrue\@boxput}{\@testfalse\@boxput}}
617\def\@boxput{\@ifnextchar({\@@boxput}{\@@boxput(0,0)}}
618\long\def\@@boxput(#1,#2)#3#4{%
619  \setbox\@fancybox\hbox{{#4}}%
620  \setbox\@tempboxa\vbox to\z@{\vss\hbox to\z@{\hss{#3}\hss}\vss}%
621  \@tempdima=#1\wd\@fancybox
622  \advance\@tempdima\wd\@fancybox
623  \divide\@tempdima 2
624  \ifcat a#2\relax
625    \@tempdimb=\z@
626  \else
627    \@tempdimb=.5\ht\@fancybox
628    \advance\@tempdimb.5\dp\@fancybox
629    \@tempdimc=\@tempdimb
630    \advance\@tempdimc-\dp\@fancybox
631    \@tempdimb=#2\@tempdimb
632    \advance\@tempdimb\@tempdimc
633  \fi
634  \setbox\@tempboxa\hbox to \z@{%
635    \if@test\kern-\wd\@fancybox\fi
636    \kern\@tempdima\raise\@tempdimb\box\@tempboxa\hss}%
637  \ht\@tempboxa=\z@ \dp\@tempboxa=\z@
638  \leavevmode
639  \if@test
640    \hbox{\box\@fancybox\box\@tempboxa}%
641  \else
642    \hbox{\box\@tempboxa\box\@fancybox}%
643  \fi}
644
645% \Vfootnotes
646
647\def\VerbatimFootnotes{\let\@footnotetext\V@footnotetext}
648
649\long\def\V@footnotetext{%
650  \afterassignment\V@@footnotetext
651  \let\@tempa}
652\def\V@@footnotetext{%
653  \insert\footins\bgroup
654  \csname reset@font\endcsname
655  \footnotesize
656  \interlinepenalty\interfootnotelinepenalty
657  \splittopskip\footnotesep
658  \splitmaxdepth\dp\strutbox
659  \floatingpenalty \@MM
660  \hsize\columnwidth
661  \@parboxrestore
662  \edef\@currentlabel{\csname p@footnote\endcsname\@thefnmark}%
663  \@makefntext{}%
664  \rule{\z@}{\footnotesep}%
665  \bgroup
666  \aftergroup\V@@@footnotetext
667  \ignorespaces}
668\def\V@@@footnotetext{\strut\egroup}
669
670% Verbatim
671
672% The main idea is to separate the reading and formatting of the
673% verbatim listing. It's pretty simple.
674
675\def\Verbatim@Codes{%
676  \let\do\@makeother
677  \dospecials
678  \Verbatim@ObeyThings
679  \ThisVerbCodes\relax\gdef\ThisVerbCodes{}}
680
681\def\EveryVerbatimCodes{}
682
683% \Verbatim is redefined temporarilly in \Get@Verbatim to scan the
684% verbatim text. \Verbatim is used so that error messages are more
685% enlightening. \next checks whether \Verbatim found its argument,
686% and attempts to recover if not.
687%
688% Heuristically, if current environment is `foo' and argument of
689% \Get@Verbatim is \The@Verbatim, then definition of \Verbatim is
690%
691% \def\Verbatim#1^^M#2^^M\the\EndVerbatimTokens\end{foo}{%
692%  \xdef\The@Verbatim{\noexpand\Every@VerbatimLine#2}%
693%  \endgroup\end{foo}}
694%
695% \The@Verbatim is then equal to the verbatim text, with spaces
696% replaced by \Verbatim@Space, tabs replaced by \Verbatim@Tab,
697% and ` replaced by \@lquote. In addition, each line begins with
698% \Every@VerbatimLine, and each line but the last ends with
699% \Verbatim@Par. It is then possible to redefine these when formatting
700% the verbatim text. To insert each line as an argument to \foo, use
701%   \def\Every@VerbatimLine#1\Verbatim@Par{\foo{#1}}
702%   \The@Verbatim\Verbatim@Par
703%
704\newtoks\EndVerbatimTokens
705\begingroup
706  \catcode`\|=0
707  \catcode`\[=1
708  \catcode`\]=2
709  \catcode`\{=12
710  \catcode`\}=12
711  \catcode`\^^M=13%
712  \catcode`\\=12%
713  |gdef|Get@Verbatim#1[%
714    |begingroup%
715      |Verbatim@Codes|EveryVerbatimCodes%
716      |let|protect|noexpand%
717      |VerbatimEnvironment%
718      |edef|next[|noexpand|def|noexpand|Verbatim####1|noexpand^^M####2%
719        |noexpand^^M|the|EndVerbatimTokens\end{|@VerbEnvir}]%
720      |edef|endVerbatim[|noexpand|endgroup|noexpand|end[|@VerbEnvir]]%
721      |global|let|@VerbEnvir|relax%
722      |next[|@nil|xdef#1[|noexpand|Every@VerbatimLine##2]|endVerbatim]%
723      |def|next[|@ifnextchar|@nil[|@gobble]%     If \@nil is there, then
724        [|gdef#1[]|endVerbatim|end[document]]]%  \Verbatim found its argument.
725      |expandafter|next|Verbatim]%               Otherwise, try to recover.
726  |gdef|AltGet@Verbatim#1[%
727    |begingroup%
728      |Verbatim@Codes|EveryVerbatimCodes%
729      |def^^M##1^^M##2[%
730        |ifx|@nil##2|@empty|else%
731          |noexpand|Verbatim@Par|noexpand|Every@VerbatimLine##1%
732          |expandafter^^M|expandafter##2%
733        |fi]%
734      |let|protect|noexpand%
735      |VerbatimEnvironment%
736      |edef|next[|noexpand|def|noexpand|Verbatim####1|noexpand^^M####2%
737        \end{|@VerbEnvir}]%
738      |edef|endVerbatim[|noexpand|endgroup|noexpand|end[|@VerbEnvir]]%
739      |global|let|@VerbEnvir|relax%
740      |next[|@nil|xdef#1[|noexpand|Every@VerbatimLine##2^^M|@nil]|endVerbatim]%
741      |def|next[|@ifnextchar|@nil[|@gobble]%
742        [|gdef#1[]|endVerbatim|end[document]]]%
743      |expandafter|next|Verbatim]%
744|endgroup
745\def\AltGetVerbatim{\let\Get@Verbatim\AltGet@Verbatim}
746
747% It is enough to not use \begin or \end when defining new verbatim
748% environments, as the default is for \Get@Verbatim to look for the
749% end of the current environment, but using \VerbatimEnvironment
750% is easier to explain to users.
751
752\def\VerbatimEnvironment{%
753  \ifx\@VerbEnvir\relax\xdef\@VerbEnvir{\@currenvir}\fi}
754
755\let\@VerbEnvir\relax
756
757\def\The@VerbatimErr{%
758  \gdef\The@Verbatim{\@latexerr{Misplaced \string\end{Verbatim}}\@ehd}}
759\The@VerbatimErr
760
761\begingroup
762\catcode`\^^M=\active%
763\catcode`\ =\active%
764\catcode`\^^I=\active%
765\gdef\Verbatim@ObeyThings{%
766\catcode`\^^M=\active%
767\catcode`\ =\active%
768\catcode`\^^I=\active%
769\catcode``=\active%
770\def^^M{\noexpand\Verbatim@Par\noexpand\Every@VerbatimLine}%
771\def^^I{\noexpand\Verbatim@Tab}%
772\def {\noexpand\Verbatim@Space}%
773\Verbatim@NoLigs}%
774\gdef\Verbatim@DontObeyLines{\outer\def^^M{}}%
775\endgroup
776
777\def\SaveVerbatim{\@bsphack\Get@Verbatim}
778
779\def\endSaveVerbatim{\@esphack}
780
781{\catcode``13 \gdef\Verbatim@NoLigs{\def`{\noexpand\@lquote}}}
782
783\def\Verbatim@Prep{%
784  \frenchspacing
785  \ThisVerb\relax\gdef\ThisVerb{}%
786  \VerbatimFont
787  \EveryVerbatim
788  \let\Every@VerbatimLine\EveryVerbatimLine
789  \def\Verbatim@Space{\leavevmode\penalty\@M\VerbatimSpace}%
790  \def\Verbatim@Tab{\leavevmode\penalty\@M\VerbatimTab}}%
791
792\def\Verb@Prep{%
793  \frenchspacing
794  \ThisVerb\relax\gdef\ThisVerb{}%
795  \VerbFont
796  \EveryVerb
797  \let\Every@VerbatimLine\EveryVerbatimLine
798  \def\Verbatim@Space{\leavevmode\penalty\@M\VerbSpace}%
799  \def\Verbatim@Tab{\leavevmode\penalty\@M\VerbTab}}%
800
801\def\Verbatim@Par{\leavevmode\null\@@par\penalty\interlinepenalty}
802
803% Parameter initialization:
804
805\def\VerbatimSpace{\ }
806
807{\catcode`\ =12\gdef\ttspace{{\tt }}}
808
809\def\VerbSpace{\ }
810
811\def\VerbatimTab{\ \ \ \ \ \ \ \ }
812
813\def\VerbTab{\ }
814
815\def\EveryVerbatim{}
816
817\def\EveryVerb{}
818
819\def\ThisVerb{}
820
821\def\EveryVerbatimLine{}%
822
823\def\EveryVerbOutLine{}
824
825\def\VerbatimFont{\tt}
826
827\def\VerbFont{\tt}
828
829\def\VerbatimFuzz{2pt}%
830
831\def\EveryVerbatimCodes{}
832
833\def\EveryVerbCodes{}
834
835\def\EveryVerbOutCodes{}
836
837\def\ThisVerbCodes{}
838
839\def\Verbatim@List#1{%
840  \if@minipage\else\vskip\parskip\fi
841  \leftskip\@totalleftmargin
842  \@rightskip\@flushglue \rightskip\@rightskip
843  \parindent\z@
844  \parskip\z@
845  \parfillskip\@flushglue
846  \hfuzz\VerbatimFuzz\relax
847  \@@par
848  \global\@inlabelfalse  %Prevents vspace from being inserted when
849  \Verbatim@Prep         %first line exceeds \hsize.
850  #1%
851  \Verbatim@Par}%
852
853\def\UseVerbatim#1{%
854  \begingroup\trivlist\item[]\Verbatim@List{#1}\endtrivlist\endgroup}
855
856\def\Verbatim{\Get@Verbatim\The@Verbatim}
857\def\endVerbatim{\UseVerbatim\The@Verbatim\The@VerbatimErr}
858
859\def\LUseVerbatim#1{%
860  \begingroup\list{}{}\item[]\Verbatim@List{#1}\endlist\endgroup}
861
862\def\LVerbatim{\Get@Verbatim\The@Verbatim}
863\def\endLVerbatim{\LUseVerbatim\The@Verbatim\The@VerbatimErr}
864
865\def\BUseVerbatim{%
866  \@ifnextchar[{\@BUseVerbatim}{\@BUseVerbatim[]}}
867\def\@BUseVerbatim[#1]#2{%
868  \begingroup
869    \Verbatim@Prep
870    \let\Verbatim@Par\@Btrivlistcr
871    \@Btrivlist{l}[#1]%
872    #2%
873    \endBtrivlist
874  \endgroup}%
875
876\def\BVerbatim{%
877  \catcode`\^^M=13\relax
878  \@ifnextchar[{\@BVerbatim}{\@BVerbatim[]}}
879\def\@BVerbatim[#1]{\def\@tempa{[#1]}\Get@Verbatim\The@Verbatim}
880\def\endBVerbatim{
881  \expandafter\@BUseVerbatim\@tempa\The@Verbatim\The@VerbatimErr}
882
883\newwrite\Verbatim@Outfile
884\def\VerbatimOut#1{%
885  \@bsphack
886  \begingroup
887    \immediate\openout\Verbatim@Outfile #1\relax
888    \def\EveryVerbatimCodes{\EveryVerbOutCodes}%
889    \Get@Verbatim\The@Verbatim}
890\def\endVerbatimOut{%
891    \Verbatim@ObeyThings
892    \def\Verbatim@Par{^^J}%
893    \def\Verbatim@Space{\space}%
894    \def\Verbatim@Tab{\space}%
895    \def\@lquote{\string`}%
896    \ThisVerb\relax\gdef\ThisVerb{}%
897    \let\Every@VerbatimLine\EveryVerbOutLine
898    \immediate\write\Verbatim@Outfile{\The@Verbatim}%
899    \immediate\closeout\Verbatim@Outfile
900  \endgroup
901  \The@VerbatimErr
902  \@esphack}
903
904% This one is a little tricky because:
905% * we want to ignore the ^^M at the end of the last line,
906% * we want to handle files that end with newline and files that don't
907% * we want comment characters to work properly,
908% * we want to expand each line before inserting \Every@VerbatimLine and
909%     \Verbatim@Par,
910%
911% \The@GVerbatim is used as scratch with global redefinition.
912\newread\Verbatim@Infile
913\def\Verbatim@Input#1#2{%
914  \begingroup
915    \Verbatim@Codes\EveryVerbatimCodes
916    \immediate\openin\Verbatim@Infile #1\relax
917    \ifeof\Verbatim@Infile
918      \@latexerr{No verbatim file #1}\@ehd
919    \else
920      \def\The@GVerbatim{}\Verbatim@NextLine
921      \ifeof\Verbatim@Infile
922        \@latexerr{Verbatim file #1 is empty}\@ehd
923      \else
924        \let\The@Verbatim\The@GVerbatim
925        \def\The@GVerbatim{}\Verbatim@NextLine
926        #2{\Verbatim@@Input}%
927      \fi
928    \fi
929    \immediate\closein\Verbatim@Infile
930 \endgroup}
931\def\Verbatim@@Input{%
932  \let\protect\noexpand
933  \edef\The@Verbatim{%
934    \noexpand\Every@VerbatimLine
935    \The@Verbatim
936    \ifeof\Verbatim@Infile\else\noexpand\Verbatim@Par\fi}%
937  \let\protect\relax
938  \The@Verbatim
939  \ifeof\Verbatim@Infile\else
940    \let\The@Verbatim\The@GVerbatim
941    \def\The@GVerbatim{}\Verbatim@NextLine
942    \expandafter\Verbatim@@Input
943  \fi}%
944\begingroup\catcode`\^^M=\active%
945\gdef\Verbatim@NextLine{%
946  \ifeof\Verbatim@Infile\else%
947    \immediate\read\Verbatim@Infile to\@tempa%
948    \expandafter\Verbatim@@NextLine\@tempa^^M\relax^^M\@nil%
949  \fi}%
950% #2 is empty if line ends in ^^M, #2=\relax otherwise.
951\gdef\Verbatim@@NextLine#1^^M#2^^M#3\@nil{%
952  \expandafter\gdef\expandafter\The@GVerbatim\expandafter{\The@GVerbatim#1}%
953  \ifx#2\@empty\@empty\else\expandafter\Verbatim@NextLine\fi}%
954\endgroup%
955
956\def\UseVerb#1{\begingroup\Verb@Prep#1\endgroup}
957
958\def\SaveVerb{\@ifnextchar[{\Save@Verb}{\Save@Verb[]}}
959
960\long\def\Save@Verb[#1]#2{%
961  \begingroup
962    \Verbatim@Codes\Verbatim@DontObeyLines\EveryVerbCodes
963    \Save@@Verb{#1}{#2}}
964
965\long\def\Save@@Verb#1#2#3{%
966  \let\protect\noexpand
967  \def\next{\@ifnextchar\@nil{\@gobble}{\endgroup}}%
968  \long\def\Verb##1#3{\@nil\xdef#2{##1}\endgroup#1}%
969  \expandafter\next\Verb}
970
971\def\Verb{\Save@Verb[\UseVerb{\The@Verbatim}]{\The@Verbatim}}
972
973\def\VerbatimInput#1{\begingroup\Verbatim@Input{#1}\UseVerbatim\endgroup}
974
975\def\LVerbatimInput#1{\begingroup\Verbatim@Input{#1}\LUseVerbatim\endgroup}
976
977\def\BVerbatimInput{\@ifnextchar[{\@BVerbatimInput}{\@BVerbatimInput[]}}
978\def\@BVerbatimInput[#1]#2{%
979  \begingroup\Verbatim@Input{#2}{\@BUseVerbatim[#1]}\endgroup}
980
981\endinput
982%% END fancybox.sty
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