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%D \module
%D [ file=pack-bar,
%D version=2009.06.26,
%D title=\CONTEXT\ Packaging Macros,
%D subtitle=Bars,
%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.
\writestatus{loading}{ConTeXt Packaging Macros / Bars}
%D This code has been moved from scrn-int to here (was some old
%D experimental code). It could be in scrn-bar but it's static.
\unprotect
%D \startbuffer
%D \dorecurse{10}
%D {\horizontalpositionbar
%D \pos\recurselevel \min1 \max10
%D \token\framed{\recurselevel}%
%D \\}
%D
%D \hbox to 15em
%D {\hss
%D \dorecurse{10}
%D {\verticalpositionbar\pos\recurselevel\min1\max10\token\blackrule\\
%D \hss}}
%D \stopbuffer
\def\horizontalpositionbar\pos#1\min#2\max#3\token#4\\%
{\hbox to \hsize
{\hskip\zeropoint\!!plus #1\!!fill
\hskip\zeropoint\!!plus-#2\!!fill
#4\relax
\hskip\zeropoint\!!plus #3\!!fill
\hskip\zeropoint\!!plus-#1\!!fill}}
\def\verticalpositionbar\pos#1\min#2\max#3\token#4\\%
{\vbox to \vsize
{\vskip\zeropoint\!!plus #1\!!fill
\vskip\zeropoint\!!plus-#2\!!fill
\hbox{#4}\relax
\vskip\zeropoint\!!plus #3\!!fill
\vskip\zeropoint\!!plus-#1\!!fill}}
\def\horizontalgrowingbar\pos#1\min#2\max#3\height#4\depth#5\\%
{\hbox to \hsize
{\scratchcounter\numexpr#1-#2+\plusone\relax
\leaders\vrule\hskip\zeropoint\!!plus \scratchcounter\!!fill
\vrule\!!width\zeropoint\!!height#4\!!depth#5%
\hskip\zeropoint\!!plus #3\!!fill
\hskip\zeropoint\!!plus-#1\!!fill}}
\def\verticalgrowingbar\pos#1\min#2\max#3\width#4\\%
{\vbox to \vsize
{\scratchcounter\numexpr#1-#2+\plusone\relax
\leaders\hrule\vskip\zeropoint\!!plus\scratchcounter\!!fill
\hrule\!!width#4\!!height\zeropoint\!!depth\zeropoint
\vskip\zeropoint\!!plus #3\!!fill
\vskip\zeropoint\!!plus-#1\!!fill}}
\protect \endinput
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