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%D \module
%D [ file=page-one,
%D version=2000.10.20,
%D title=\CONTEXT\ OTR Macros,
%D subtitle=Default Routine,
%D author=Hans Hagen,
%D date=\currentdate,
%D copyright={PRAGMA / Hans Hagen \& Ton Otten}]
%C
%C This module is part of the \CONTEXT\ macro||package and is
%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
%C details.
\writestatus{loading}{Context OTR Macros / Default Routine}
%D This is just the good old \CONTEXT\ output routine, which
%D has been there right from the start.
\unprotect
% OTRONE: basic single column
\activateotr{ONE}{} % the default one
\newtoks\OTRONEoutput
\def\OTRONEgotonextpage
{\ejectpage}
\def\OTRONEgotonextpageX % will become obsolete
{\superejectpage}
\def\OTRONEsethsize
{\global\hsize\textwidth}
% keep (original one)
%
% \def\OTRONEsetvsize
% {\ifdim\vsize=\teksthoogte \else
% \bgroup
% \scratchdimen-\vsize
% \advance\scratchdimen \teksthoogte
% \global\advance\vsize \scratchdimen
% \relax \ifdim\pagegoal<\maxdimen
% \advance\scratchdimen \pagegoal
% \global\pagegoal\scratchdimen
% \fi
% \egroup
% \fi}
%
% no (keep)
%
% \def\OTRONEsetvsize
% {\ifdim\vsize=\teksthoogte \else
% \bgroup
% \scratchdimen-\vsize
% \advance\scratchdimen \teksthoogte
% \ifgridsnapping
% \getrawnoflines\scratchdimen
% \scratchdimen\noflines\openlineheight
% \ifdim\scratchdimen>\noflinesheight % available afterwards
% \advance\scratchdimen-\openlineheight
% \fi
% \ifdim\scratchdimen<\zeropoint
% \scratchdimen\zeropoint
% \fi
% \fi
% \global\advance\vsize \scratchdimen
% \relax \ifdim\pagegoal<\maxdimen
% \advance\scratchdimen \pagegoal
% \global\pagegoal\scratchdimen
% \fi
% \egroup
% \fi}
% \def\OTRONEsetvsize
% {\ifgridsnapping
% \ifcase\layoutlines
% \getrawnoflines\teksthoogte
% \else
% \noflines\layoutlines
% \fi
% \global\vsize\noflines\openlineheight
% \else
% \global\vsize\teksthoogte
% \fi
% \ifdim\pagegoal<\maxdimen
% \global\pagegoal\vsize
% \fi}
\newdimen\oldvsize
\def\OTRONEsetvsize
{\ifgridsnapping
\ifcase\layoutlines
\getrawnoflines\textheight
\else
\noflines\layoutlines
\fi
\global\vsize\noflines\openlineheight
\else
\global\vsize\textheight
\fi
\ifdim\pagegoal<\maxdimen
\ifdim\oldvsize=\vsize
% let's assume that the layout didn't change
\else
\bgroup
\global\oldvsize\vsize
\advance\vsize-\topinserted
\advance\vsize-\botinserted
\global\pagegoal\vsize
\egroup
\fi
\fi}
\chardef\kindofpagetextareas=2 % whole page (public variable! never change)
\def\OTRONEregisteredtextarea#1%
{\ifregistertextareas
\setbox0\vbox{#1}%
\wd0\makeupwidth % somehow a space creeps in
\vbox{\registeredtextarea000}%
\else
#1%
\fi}
% \chardef\kindofpagetextareas\plusone
\def\doOTRONEregisteredtextareaA#1%
{\ifregistertextareas
\xypos{pbd:\realfolio:b}% we could save bytes by only saving the y
\endgraf
\begingroup
\scratchdimen\MPy{pbd:\realfolio:b}%
\advance\scratchdimen-\MPy{pbd:\realfolio:e}%
\setbox\scratchbox\null
\wd\scratchbox\makeupwidth
\ht\scratchbox\scratchdimen
\vsmash{\registeredtextarea00\scratchbox}%
\endgroup
#1%
\endgraf
\xypos{pbd:\realfolio:e}%
\else
#1%
\fi}
\def\doOTRONEregisteredtextareaB#1%
{\ifregistertextareas
\setbox0\vbox{#1}%
\wd0\makeupwidth % somehow a space creeps in
\vbox{\registeredtextarea000}%
\else
#1%
\fi}
\let\OTRONEregisteredtextareaA\firstofoneargument
\let\OTRONEregisteredtextareaB\firstofoneargument
\def\OTRONEdopagecontents#1#2% \box<n> \unvbox<n>
{\bgroup % niet breedte zetten, kan fractie zijn!
\ifcase\kindofpagetextareas
\or % partial page (experimental)
\let\OTRONEregisteredtextareaA\doOTRONEregisteredtextareaA
\or % whole page (default)
\let\OTRONEregisteredtextareaB\doOTRONEregisteredtextareaB
\or % partial page (only works well with no stretch!)
\let\OTRONEregisteredtextareaA\doOTRONEregisteredtextareaB
\fi
\setbox0\vbox \ifbottomnotes to \textheight \fi
{\edef\currentpagedepth{\the\dp#2}% still to be derived from #1
\dotopinsertions
\ifgridsnapping
\OTRONEregisteredtextareaA{#1#2}%
\vskip-\currentpagedepth\vskip\openstrutdepth
\pushproperties % moved from just after #1#2
\prevdepth\openstrutdepth
\dobotinsertions
\vfil
\else\ifr@ggedbottom
\OTRONEregisteredtextareaA{#1#2}%
\vskip-\currentpagedepth\vskip\openstrutdepth
\pushproperties % moved from just after #1#2
\prevdepth\openstrutdepth
\dobotinsertions
\vfil
\else\ifb@selinebottom
\OTRONEregisteredtextareaA{#1#2}%
\kern-\currentpagedepth\kern\maxdepth
\pushproperties % moved from just after #1#2
\dobotinsertions
\else
\OTRONEregisteredtextareaA{#1#2}%
\pushproperties % moved from just after #1#2
\dobotinsertions % added
\fi\fi\fi
\fakepagenotes}% was \fakenotes, but wrong! (check with \setupalign[height])
\ifbottomnotes
\ifgridsnapping
\ifcase\layoutlines % todo: make macro of this
\getrawnoflines\textheight
\else
\noflines\layoutlines
\fi
% \getnoflines\textheight
\advance\noflines \minusone
\scratchdimen\noflines\lineheight
\advance\scratchdimen \topskip
\else
\scratchdimen\ht0
\fi
\else
\scratchdimen\zeropoint
\fi
\setbox2\hbox
{\checksinglecolumnfootnotes
\lower\scratchdimen\vbox{\placebottomnotes}}%
\smashbox2% % needed here
\ifbottomnotes
\ht0\zeropoint
\fi
\OTRONEregisteredtextareaB
{\vbox to \textheight
{\box0\box2\ifbottomnotes\else\vfill\fi}}%
\egroup}
\def\OTRONEfinalsidefloatoutput
{\finaloutput\unvbox\normalpagebox}
\OTRONEoutput
{\sidefloatoutput}
%D Insertions
\newif\iftopofinsert
\def\OTRONEdosettopinserts
{\bgroup
\ifsomefloatwaiting
\noffloatinserts\zerocount
\let\totaltopinserted\!!zeropoint
\OTRONEdodosettopinserts
\ifnum\@@bknbottom=\zerocount
\ifnum\@@bknlines>\zerocount
\ifdim\totaltopinserted>\zeropoint\relax
\dimen0=\lineheight
\dimen0=\@@bknlines\dimen0
\advance\dimen0 \totaltopinserted\relax
\ifdim\dimen0>\textheight
\showmessage\m!floatblocks8\@@bknlines
\vfilll\eject
\fi
\fi
\fi
\fi
\fi
\egroup}
\def\OTRONEdodosettopinserts
{\ifnum\noffloatinserts<\noftopfloats
\dogetfloat
\ifdim\topinserted=\zeropoint
\topofinserttrue
\else
\topofinsertfalse
\fi
\global\advance\topinserted \ht\floatbox
\global\advance\topinserted \dp\floatbox
\global\advance\topinserted \floatbottomskip\relax
\ifdim\topinserted<\textheight\relax
\xdef\totaltopinserted{\the\topinserted}%
\insert\topins
{\forgetall
\iftopofinsert
\topskipcorrection % [xx] new: see icare topbleed
\kern-\lineskip\par
\prevdepth\maxdimen
\else
%\blank[-\@@bkspaceafter,\@@bkspacebefore]% inserts can't look back
\betweenfloatblanko
\fi
\flushfloatbox
\blank[\@@bkspaceafter]}%
\ifsomefloatwaiting
\advance\noffloatinserts \plusone
\else
\noffloatinserts\noftopfloats\relax
\fi
\dofloatflushedinfo
\else
\doresavefloat
\noffloatinserts\noftopfloats\relax
\fi
\else
\ifsomefloatwaiting
\showmessage\m!floatblocks6{\the\noftopfloats}%
\fi
\let\OTRONEdodosettopinserts\relax
\fi
\OTRONEdodosettopinserts}
\def\OTRONEdosetbotinserts
{\bgroup
\ifsomefloatwaiting
\noffloatinserts\zerocount
\OTRONEdodosetbotinserts
\fi
\egroup}
\def\OTRONEdodosetbotinserts
{\ifnum\noffloatinserts<\nofbotfloats\relax
\dogetfloat
\global\advance\botinserted \ht\floatbox\relax
\global\advance\botinserted \dp\floatbox\relax
\global\advance\botinserted \floattopskip\relax
\ifdim\botinserted<\pagegoal\relax
\insert\botins
{\forgetall
\blank[\@@bkspacebefore]%
\flushfloatbox}%
\ifsomefloatwaiting
\advance\noffloatinserts \plusone
\else
\noffloatinserts\nofbotfloats
\fi
\dofloatflushedinfo
\else
\doresavefloat
\noffloatinserts\nofbotfloats\relax
\fi
\global\nofloatpermittedtrue % vgl topfloats s!
\else
\ifsomefloatwaiting
\showmessage\m!floatblocks7{\the\nofbotfloats}%
\fi
\let\OTRONEdodosetbotinserts\relax
\fi
\OTRONEdodosetbotinserts}
\def\OTRONEdosetbothinserts
{\global\topinserted\zeropoint
\global\botinserted\zeropoint
\ifflushingfloats \else
\OTRONEdosettopinserts
\OTRONEdosetbotinserts
\fi}
% \def\OTRONEdotopinsertions
% {\ifvoid\topins\else
% \ifgridsnapping
% \box\topins
% \vskip-\topskip \vskip\strutheight % [xx] new: see icare topbleed
% \else
% \unvbox\topins
% \fi
% \fi
% \global\topinserted\zeropoint}
\chardef\topinserttopskipmode=0 % 1 no topskip
\def\OTRONEdotopinsertions
{\ifvoid\topins\else
\ifgridsnapping
\box\topins
\vskip-\topskip
\vskip\strutheight % [xx] new: see icare topbleed
\else
\ifcase\topinserttopskipmode
% 0: default, do nothing
\or
% 1: no topskip (crossed fingers)
\vskip-\topskip
\vskip\strutheight
\fi
\unvbox\topins
\fi
\fi
\global\topinserted\zeropoint}
\def\OTRONEdobotinsertions
{\ifvoid\botins\else
\ifgridsnapping
\snaptogrid\hbox{\box\botins}%
\else
\unvbox\botins
\fi
\fi
\global\botinserted\zeropoint
\global\nofloatpermittedfalse}
\def\OTRONEdoflushfloats
{\global\flushingfloatstrue
\ifsomefloatwaiting
\par
% if kept, then option and definitely off in gridmode ! ! ! !
% \ifvmode \prevdepth\maxdimen \fi % prevents whitespace; problematic in icare tests
\OTRONEdodoflushfloats
\fi
\global\savednoffloats\zerocount
\global\somefloatwaitingfalse
\global\flushingfloatsfalse}
\def\OTRONEflushfloatbox % nog verder doorvoeren en meer info in marge
{\ifcenterfloatbox \ifdim\wd\floatbox<\hsize
\setbox\floatbox\hbox to \hsize{\hss\box\floatbox\hss}%
\fi \fi
\snaptogrid\hbox{\iftestfloatbox\ruledhbox\fi{\copy\floatbox}}}
\def\OTRONEdodoflushfloats % much in common with OTRSET
{\ifsomefloatwaiting
\ifpackflushedfloats
\centerfloatboxfalse
\dogetfloat
\ifdim\wd\floatbox>\makeupwidth
\global\setbox\floatbox\hbox to \makeupwidth{\hss\box\floatbox\hss}%
\fi
\OTRONEsetvsize
\!!widtha\wd\floatbox
\dofloatflushedinfo
\doloop
{\ifsomefloatwaiting
\dosavefloatstatus
\dogetfloat
\advance\!!widtha 1em % variable
\advance\!!widtha \wd\floatbox\relax
\ifdim\!!widtha>\hsize
\dorestorefloatstatus
\global\somefloatwaitingtrue
\exitloop
\else
\global\setbox\floatbox\hbox
{\ifcase\columndirection % nog document wide
\ifvoid\savedfloatbox\else
\ifhbox\savedfloatbox\unhbox\else\box\fi\savedfloatbox\hfil
\fi
\ifhbox\floatbox\unhbox\else\box\fi\floatbox
\else
\ifhbox\floatbox\unhbox\else\box\fi\floatbox
\ifvoid\savedfloatbox\else
\hfil\ifhbox\savedfloatbox\unhbox\else\box\fi\savedfloatbox
\fi
\fi}%
\dofloatflushedinfo
\fi
\else
\exitloop
\fi}%
\global\setbox\floatbox\hbox to \hsize
{\hfil\ifhbox\floatbox\unhbox\else\box\fi\floatbox\hfil}%
\else
%\bgroup % \box\floatbox can be in use!? messy
\dogetfloat
%\doplacefloatbox
%\egroup
\dofloatflushedinfo
\fi
% there is a chance that due to rounding errors, the float
% fits on a page where it was first rejected, in which case
% the prevdepth is -maxdimen and we cannot obey the grid
\doplacefloatbox
\expandafter\OTRONEdodoflushfloats
\fi}
\def\OTRONEdocheckiffloatfits % vervangen ivm downward comp
{\ifnofloatpermitted
\global\roomforfloatfalse
\else
% new per 31/5/2004, should be an option, only one column mode
\begingroup
\scratchdimen\pagetotal
\advance\scratchdimen\lineheight % maybe strutheight
\ifdim\scratchdimen>\pagegoal
\goodbreak % hack ? needed in icare-az
\fi
% should be an option
\endgroup
\dimen0 \pagetotal
\advance\dimen0 \ht\floatbox
\advance\dimen0 \dp\floatbox
\advance\dimen0 \floattopskip
\advance\dimen0 -\pageshrink % toegevoegd
%\message{c:\the\mofcolumns,t:\the\pagetotal,g:\the\pagegoal}%\wait
\dimen2\pagegoal
\relax % needed
\ifcase\textfloatmethod
% method 0 : raw
\or
% method 1 : safe
\dimen2 .99\pagegoal
\or
% method 2 : tight
\advance\dimen0 -\onepoint
\fi
\relax % really needed ! ! ! !
\ifdim\dimen0>\dimen2
\global\roomforfloatfalse
\else
\global\roomforfloattrue
\fi
\fi}
\def\OTRONEflushsavedfloats
{\dosetbothinserts}
% TODO: TEST FIRST, NO CORRECTION NEEDED IN GRID MODE, EVT OPTION
\def\OTRONEsomeherefloat[#1]% spacing between two successive must be better
{\baselinecorrection % not really needed in grid mode:
%\ifgridsnapping \else \baselinecorrection \fi % ! ! ! test test test ! ! ! !
\doplacefloatbox
\doinsertfloatinfo
\dochecknextindentation\??bk
\dorechecknextindentation}
% \def\OTRONEsomefixdfloat % [#1]
% {\docheckiffloatfits
% \ifroomforfloat\else
% \goodbreak
% \fi
% \showmessage\m!floatblocks9\empty
% \someherefloat} % [#1]
%
% better:
%
% \dorecurse{50}
% {[before normal] \input thuan
% \placefigure{normal}{\framed[height=1cm,width=8cm]{}}
% \placefigure{normal}{\framed[height=2cm,width=8cm]{}}
% [before force] \input thuan
% \placefigure[force]{force}{\framed[height=8cm,width=8cm]{}}}
\chardef\fixedfloatmethod=3
\def\OTRONEsomefixdfloat % [#1]
{\docheckiffloatfits
\ifroomforfloat\else
\ifzeropt\pagetotal
% let's assume that there is room
\else
\ifcase\fixedfloatmethod
% disabled
\or % 1 (old method)
\goodbreak
\or % 2 (safe method)
\page
\or % 3 (keeps in stream)
\vskip-.5\floatheight % play safe
\vskip\textheight
\fi
\fi
\fi
\showmessage\m!floatblocks9\empty
\someherefloat} % [#1]
\def\OTRONEsomesidefloat[#1]% links, rechts NOG TESTEN EN AANPASSEN
{\ifinsidecolumns
\someelsefloat[\v!here]%
\else
%\checkwaitingfloats{#1}%
\def\logsidefloat
{\doinsertfloatinfo}%
\setbox\floatbox\vbox{\box\floatbox}%
\wd\floatbox\floatwidth
\processfirstactioninset
[#1]
[ \v!left=>\leftfloat {\box\floatbox},
\v!right=>\rightfloat {\box\floatbox},
\v!inleft=>\leftmarginfloat {\box\floatbox},
\v!inright=>\rightmarginfloat{\box\floatbox},
\v!leftmargin=>\leftmarginfloat {\box\floatbox},
\v!rightmargin=>\rightmarginfloat{\box\floatbox},
\v!leftedge=>\leftedgefloat {\box\floatbox},
\v!rightedge=>\rightedgefloat {\box\floatbox},
\v!backspace=>\backspacefloat {\box\floatbox},
\v!cutspace=>\cutspacefloat {\box\floatbox},
\v!inmargin=>\cutspacefloat {\box\floatbox}]%
\doifinset\v!tall{#1}\flushsidefloatsafterpar
\fi}
\def\OTRONEdosomepagefloat#1[#2]%
{%\checkwaitingfloats{#1}%
\global\setbox#1\vbox
{\unvbox#1%
\vbox to \textheight
{\doifnotinset\v!high{#2}\vfill
\box\floatbox
\doifnotinset\v!low{#2}\vfill}%
\goodbreak}%
\doinsertfloatinfo}
\def\OTRONEsomepagefloat {\OTRONEdosomepagefloat\collectedpagefloats}
\def\OTRONEsomeleftpagefloat {\OTRONEdosomepagefloat\collectedleftpagefloats}
\def\OTRONEsomerightpagefloat{\OTRONEdosomepagefloat\collectedrightpagefloats}
\def\OTRONEsometopsfloat[#1]%
{\ifdim\topinserted=\zeropoint
\topofinserttrue
\else
\topofinsertfalse
\fi
\global\advance\topinserted \ht\floatbox
\global\advance\topinserted \dp\floatbox
\global\advance\topinserted \floatbottomskip
\insert\topins
{\forgetall
\iftopofinsert
\topskipcorrection % [xx] new: see icare topbleed
\kern-\lineskip\par\prevdepth\maxdimen
\else
%\blank[-\@@bkspaceafter,\@@bkspacebefore]% inserts can't look back
\betweenfloatblanko
\fi
\flushfloatbox
\blank[\@@bkspaceafter]}%
\doinsertfloatinfo}
\def\OTRONEsomebotsfloat[#1]%
{\global\advance\botinserted \ht\floatbox
\global\advance\botinserted \dp\floatbox
\global\advance\botinserted \floattopskip
\insert\botins
{\forgetall
\blank[\@@bkspacebefore]%
\flushfloatbox}%
%\global\nofloatpermittedtrue
\doinsertfloatinfo}
\def\OTRONEsomefacefloat[#1]% untested
{\startopposite\flushfloatbox\stopopposite}
\def\OTRONEnextcolumn[#1]%
{}
\protect \endinput
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