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-%D \module
-%D [ file=pack-cut, % comes from core-vis/trac-vis
-%D version=1996.06.01,
-%D title=\CONTEXT\ Packaging Macros,
-%D subtitle=Cut boxes,
-%D author=Hans Hagen,
-%D date=\currentdate,
-%D copyright={PRAGMA ADE \& \CONTEXT\ Development Team}]
-%C
-%C This module is part of the \CONTEXT\ macro||package and is
-%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
-%C details.
-
-\unprotect
-
-%D \macros
-%D {makecutbox, cuthbox, cutvbox, cutvtop}
-%D
-%D Although mainly used for marking the page, these macros can
-%D also serve local use.
-%D
-%D \startbuffer
-%D \setbox0=\vbox{a real \crlf vertical box} \makecutbox0
-%D \stopbuffer
-%D
-%D \typebuffer
-%D
-%D This marked \type{\vbox} shows up as:
-%D
-%D \startlinecorrection
-%D \getbuffer
-%D \stoplinecorrection
-%D
-%D The alternative macros are used as:
-%D
-%D \startbuffer
-%D \cuthbox{a made cut box}
-%D \stopbuffer
-%D
-%D \typebuffer
-%D
-%D This is typeset as:
-%D
-%D \startlinecorrection
-%D \getbuffer
-%D \stoplinecorrection
-%D
-%D By setting the next macros one can influence the length of
-%D the marks as well as the horizontal and vertical divisions.
-
-\newdimen\d_pack_cutmarks_width
-\newdimen\d_pack_cutmarks_height
-\newdimen\d_pack_cutmarks_depth
-
-\newcount\horizontalcutmarks \horizontalcutmarks \plustwo
-\newcount\verticalcutmarks \verticalcutmarks \plustwo
-\newcount\cutmarkoffset \cutmarkoffset \plusone
-
-\let\cutmarksymbol \relax
-\let\cutmarktoptext \empty
-\let\cutmarkbottomtext \empty
-\let\cutmarkhoffset \empty
-\let\cutmarkvoffset \empty
-\def\cutmarklength {2\bodyfontsize}
-\def\cutmarkrulethickness{\onepoint}
-
-\unexpanded\def\horizontalcuts
- {\normalhbox to \d_pack_cutmarks_width
- {\dorecurse\horizontalcutmarks{\vrule\s!width\cutmarkrulethickness\s!height\cutmarklength\normalhfill}%
- \unskip}}
-
-\unexpanded\def\verticalcuts
- {\normalvbox to \dimexpr\d_pack_cutmarks_height+\d_pack_cutmarks_depth\relax
- {\hsize\cutmarklength
- \dorecurse\verticalcutmarks{\vrule\s!height\cutmarkrulethickness\s!width\hsize\normalvfill}%
- \unskip}}
-
-\unexpanded\def\baselinecuts
- {\ifdim\d_pack_cutmarks_depth>\zeropoint
- \normalvbox to \dimexpr\d_pack_cutmarks_height+\d_pack_cutmarks_depth\relax
- {\hsize\dimexpr\cutmarklength/2\relax
- \normalvskip\zeropoint\s!plus\d_pack_cutmarks_height
- \vrule\s!height\cutmarkrulethickness\s!width\hsize
- \normalvskip\zeropoint\s!plus\d_pack_cutmarks_depth}%
- \fi}
-
-\unexpanded\def\cutmarksymbols#1%
- {\normalhbox to \d_pack_cutmarks_width
- {\setbox\scratchbox\normalhbox to \cutmarklength
- {\normalhss\infofont\cutmarksymbol\normalhss}%
- \normalhss
- \normalvbox to \cutmarklength
- {\scratchdimen\dimexpr\cutmarklength/2\relax
- \scratchskip \ifx\cutmarkhoffset\empty\cutmarkoffset\scratchdimen\else\cutmarkhoffset\fi
- \normalvss
- \hbox to \d_pack_cutmarks_width
- {\llap{\copy\scratchbox\normalhskip\scratchskip}%
- \normalhskip\scratchdimen\hss\infofont#1\hss\normalhskip\scratchdimen
- \rlap{\normalhskip\scratchskip\copy\scratchbox}}%
- \normalvss}%
- \normalhss}}
-
-\unexpanded\def\makecutbox#1%
- {\bgroup
- \d_pack_cutmarks_height\ht#1%
- \d_pack_cutmarks_depth \dp#1%
- \d_pack_cutmarks_width \wd#1%
- \setbox#1\normalhbox
- {\dontcomplain
- \forgetall
- \boxmaxdepth\maxdimen
- \offinterlineskip
- \scratchdimen\dimexpr\cutmarklength/2\relax
- \hsize\d_pack_cutmarks_width
- \setbox\scratchbox\normalvbox
- {\setbox\scratchbox\normalhbox{\horizontalcuts}%
- \scratchskip\ifx\cutmarkvoffset\empty\cutmarkoffset\scratchdimen\else\cutmarkvoffset\fi
- \tlap{\copy\scratchbox\normalvskip\scratchskip}%
- \hbox to \d_pack_cutmarks_width
- {\scratchskip\ifx\cutmarkhoffset\empty\cutmarkoffset\scratchdimen\else\cutmarkhoffset\fi
- \setbox\scratchbox\normalhbox{\verticalcuts}%
- \llap{\copy\scratchbox\normalhskip\scratchskip}%
- \ifdim\d_pack_cutmarks_depth=\zeropoint
- \normalhfill
- \else
- \bgroup
- \setbox\scratchbox\normalhbox{\baselinecuts}%
- \llap{\copy\scratchbox\normalhskip\scratchskip}%
- \normalhfill
- \rlap{\normalhskip\scratchskip\copy\scratchbox}%
- \egroup
- \fi
- \rlap{\normalhskip\scratchskip\copy\scratchbox}}%
- \blap{\normalvskip\scratchskip\copy\scratchbox}}%
- \ht\scratchbox\d_pack_cutmarks_height
- \dp\scratchbox\d_pack_cutmarks_depth
- \wd\scratchbox\zeropoint
- \startcolor[\defaulttextcolor]%
- \box\scratchbox
- \ifx\cutmarksymbol\relax \else
- \setbox\scratchbox\normalvbox
- {\scratchskip\ifx\cutmarkvoffset\empty\cutmarkoffset\scratchdimen\else\cutmarkvoffset\fi
- \vskip-\dimexpr\scratchskip+\cutmarklength\relax
- \normalhbox{\cutmarksymbols\cutmarktoptext}%
- \vskip\dimexpr\scratchskip+\d_pack_cutmarks_height+\d_pack_cutmarks_depth+\scratchskip\relax
- \normalhbox{\cutmarksymbols\cutmarkbottomtext}}%
- \ht\scratchbox\d_pack_cutmarks_height
- \dp\scratchbox\d_pack_cutmarks_depth
- \wd\scratchbox\zeropoint
- \box\scratchbox
- \fi
- \stopcolor
- \box#1}%
- \wd#1\d_pack_cutmarks_width
- \ht#1\d_pack_cutmarks_height
- \dp#1\d_pack_cutmarks_depth
- \egroup}
-
-\unexpanded\def\cuthbox{\normalhbox\bgroup\dowithnextbox{\makecutbox\nextbox\flushnextbox\egroup}\normalhbox}
-\unexpanded\def\cutvbox{\normalvbox\bgroup\dowithnextbox{\makecutbox\nextbox\flushnextbox\egroup}\normalvbox}
-\unexpanded\def\cutvtop{\normalvtop\bgroup\dowithnextbox{\makecutbox\nextbox\flushnextbox\egroup}\normalvtop}
-
-\protect \endinput