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%D \module
%D [ file=typo-ada,
%D version=2022.04.04,
%D title=\CONTEXT\ Typesetting Macros,
%D subtitle=Adaptive,
%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 Typesetting Macros / Adaptive}
\registerctxluafile{typo-ada}{autosuffix}
% Musical timestamp: the postponed by COVID concert of Gazpacho in Zwolle NL: a joy
% to see dedicated and talented musicians perform their work in perfection and as a
% well balanced and equiped team.
\unprotect
\newdimen\d_adaptive_width
\newdimen\d_adaptive_height
\newdimen\d_adaptive_depth
\newdimen\d_adaptive_line
\mutable\let\m_adaptive_color\empty
\newbox\b_adaptive_box
\aliased\let\usedadaptivewidth \d_adaptive_width
\aliased\let\usedadaptiveheight \d_adaptive_height
\aliased\let\usedadaptivedepth \d_adaptive_depth
\aliased\let\usedadaptivelinewidth\d_adaptive_linewidth
\aliased\let\usedadaptivebox \b_adaptive_box
\definesystemattribute[adaptive][public]
\installcorenamespace{adaptive}
\installcommandhandler \??adaptive {adaptive} \??adaptive
% \appendtoks
% %
% \to \everydefineadaptive
\setupadaptive
[\c!foregroundstyle=,
\c!foregroundcolor=,
\c!color=gray,
\c!rulethickness=\linewidth,
\c!method=1,
\c!stretch=,
\c!shrink=,
%\c!strut=\v!no,
\c!margin=2\emwidth]
\permanent\tolerant\protected\def\adaptivebox[#1]#*[#2]%
{\dontleavehmode
\begingroup
\ifhastok={#1}%
\let\currentadaptive\empty
\setupcurrentadaptive[#1]%
\else
\edef\currentadaptive{#1}%
\setupcurrentadaptive[#2]%
\fi
\edef\p_setups{\adaptiveparameter\c!setups}%
\dowithnextboxcontent
{\useadaptivestyleandcolor\c!foregroundstyle\c!foregroundcolor
\ifcstok{\adaptiveparameter\c!strut}\v!yes\strut\fi % for now
}
{\ifempty\p_setups
% there is no need for postprocessing
\else
\clf_setadaptive {
method \adaptiveparameter\c!method
setups {\p_setups}%
color {\adaptiveparameter\c!color}%
rulethickness \adaptiveparameter\c!rulethickness
}%
\fi
\scratchdimen\adaptiveparameter\c!margin\relax
\edef\p_stretch{\adaptiveparameter\c!stretch}%
\edef\p_shrink {\adaptiveparameter\c!shrink}%
\uleaders
\hbox
\s!spread \scratchdimen
\bgroup
\hss\box\nextbox\hss
\egroup
\hskip
\zeropoint
\s!plus \ifempty\p_stretch\scratchdimen\else\p_stretch\fi
\s!minus \ifempty\p_shrink \scratchdimen\else\p_shrink \fi
\endgroup}%
\hbox}
%D Here is a test case, expect more:
%D
%D \starttyping
%D \startMPdefinitions
%D def TickTock =
%D interim linecap := squared;
%D save p ; path p ; p := fullsquare xysized(AdaptiveWidth,.9(AdaptiveHeight+AdaptiveDepth)) ;
%D fill p withcolor AdaptiveColor ;
%D draw bottomboundary (p enlarged (-AdaptiveThickness) )
%D withdashes (3*AdaptiveThickness)
%D withpen pencircle scaled AdaptiveThickness
%D withcolor white ;
%D enddef ;
%D \stopMPdefinitions
%D
%D \startsetups adaptive:test
%D \setbox\usedadaptivebox\hbox to \usedadaptivewidth yoffset -.9\usedadaptivedepth \bgroup
%D \hss
%D \startMPcode
%D TickTock ;
%D \stopMPcode
%D \hss
%D \egroup
%D \stopsetups
%D
%D \definecolor[adaptive:tick][.25(blue,green)]
%D \definecolor[adaptive:tock][.75(blue,green)]
%D
%D \defineadaptive
%D [tick]
%D [setups=adaptive:test,
%D color=adaptive:tick,
%D foregroundcolor=white,
%D foregroundstyle=\infofont,
%D strut=yes]
%D
%D \defineadaptive
%D [tock]
%D [tick]
%D [color=adaptive:tock]
%D
%D \dorecurse{5}{
%D \dostepwiserecurse{1}{150}{1}{%
%D this~#1.##1 is~#1.##1 test~#1.##1
%D \ifodd##1\relax
%D \adaptivebox[tick]{\hss tick #1.##1\hss}
%D \else
%D \adaptivebox[tock]{\hss tock #1.##1\hss}
%D \fi
%D }
%D \blank
%D }
%D
%D \setupexternalfigures
%D [location={default,global}]
%D
%D \startsetups adaptive:test
%D \setbox\usedadaptivebox\hbox to \usedadaptivewidth yoffset -\usedadaptivedepth \bgroup
%D \externalfigure
%D [cow.pdf]
%D [width=\usedadaptivewidth,
%D height=\dimexpr\usedadaptiveheight+\usedadaptivedepth\relax]%
%D \egroup
%D \stopsetups
%D
%D \dorecurse{5}{
%D \dostepwiserecurse{1}{150}{1}{%
%D this~#1.##1 is~#1.##1 test~#1.##1
%D {\adaptivebox[strut=yes,setups=adaptive:test]{}}
%D }
%D \blank
%D }
%D \stoptyping
\protect
|
