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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Example of MCF   Typeset with LuaLaTeX(luamplib)   by A.Yamaji   2024.02.25
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% ** mcf2graph.mf must be version 5.12
% ** use mcf_library.mcf
% ** typeset by LuaLaTeX(luamplib)
%-------------------------------------------------------------------------
\documentclass{article}
\usepackage{luamplib}
\usepackage[T1]{fontenc}
\mplibcodeinherit{enable}
\mplibnumbersystem{double}
\mpliblegacybehavior{disabled}
%-------------------------------------------------------------------------
\pagestyle{empty}
\topmargin=-24mm
\oddsidemargin=-12mm
\textwidth=192mm
\textheight=280mm
\parindent=0mm
\newcount\headeroff
\headeroff=0
\makeatletter
%-------------------------------------------------------------------------
\begin{document}
\ifnum\z@=\headeroff%
\begin{center}
 {\Huge\sf Molecular Coding Format examples} \vspace{5mm} \\
 Author : Akira Yamaji \quad Date : \today \\
 Located at : http://www.ctan.org/pkg/mcf2graph
\end{center}
{\small *use 'mcf2grapf.mp' ver 5.12  \quad
        *typeset with LuaLaTeX \quad
        *use molecular library file 'main\_lib.mcf' \\
        ** FM(fm):molecular formula (calculated) \quad 
        * MW(mw):molecular weight (calculated)} \vspace{3mm} \\
\fi%
%-------------------------------------------------------------------------
\noindent%
\newbox \fig@box%
\newcount \fig@num%
\newcount \col@num%
\font\labelM=cmtt8 at 6pt\relax%
%-------------------------------------------------------------------------
\fig@num=0%
\col@num=0%
\unitlength=0.01mm%
\noindent%
%-------------------------------------------------------------------------
\newif\ifCONT@%
\CONT@true%
%-------------------------------------------------------------------------
\begin{mplibcode}
  input mcf2graph;
  sw_output:=Fig+Calc;
  fsize:=(35mm,24mm);
  max_blength:=4mm;
  loadm("EXA=1");
\end{mplibcode}
%-------------------------------------------------------------------------
\loop%
\advance\fig@num\@ne\relax%
\advance\col@num\@ne\relax%
\ifnum\fig@num=276 \CONT@false%
\else%
\sbox{\fig@box}{%
\begin{mplibcode}
  beginfigm
    getm(fig_num);
    if checkm(mc)=0:
      drawm(scantokens(mc))
      VerbatimTeX("\gdef\EN{"&EN&"}");
      VerbatimTeX("\gdef\MW{"&MW&"}");
      VerbatimTeX("\gdef\mw{"&mw&"}");
      VerbatimTeX("\gdef\fm{"&fm&"}");
    fi
  endfigm
\end{mplibcode}
}%
%------------------------------------------------------------------------
  \message{[\the\fig@num:\EN]}%
  \begin{picture}(3750,3350)%
    \put(20,3000){\footnotesize\bf \EN}%
    \put(20,2750){\labelM MW:\MW { / }fm:\fm}%
    \put(20,2530){\labelM mw:\mw { / }[\the\fig@num]}%
    \put(0,0){\makebox(3750,2530){\usebox{\fig@box}}}%
  \end{picture}%
  \ifnum\col@num=5 \\ \col@num=\z@ \fi%
\fi%
%------------------------------------------------------------------------
\ifCONT@\repeat%
\newpage
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{mplibcode}
  loadm("EXA=2");
  fig_num:=0;
  fsize:=(50mm,34mm);
  fmargin:=(1mm,1mm);
  max_blength:=4mm;
  row_h:=3.8mm;
  header_h:=3.8mm;
  def make_frame=
    draw (0,0)--(185mm,0)--(185mm,h)--(0,h)--cycle wpcs thickness_frame;
    draw (w,h-header_h)--(185mm,h-header_h) wpcs thickness_frame;
    draw (w,h)--(w,0) wpcs thickness_frame;
    for col_w=75mm,105mm,130mm,155mm:
      draw (col_w,h)--(col_w,h-header_h) wpcs thickness_frame;
    endfor
  enddef;
\end{mplibcode}
%------------------------------------------------------------------------------
\noindent%
\CONT@true%
\fig@num=0%
\loop%
\advance\fig@num\@ne\relax%
\ifnum\fig@num=9 \CONT@false%
\else%
\begin{mplibcode}%
  beginfigm
    getm(fig_num);
    if checkm(mc)=0:
      drawm(scantokens(mc))
      ext(
        defaultfont:="cmtt9";
        label.lrt("["&decimal(fig_num)&"]",(0,h));
        label.llft(EXA,(w,h));
        if length(EN)>23:
          nA:=defaultscale;
          defaultscale:=23/length(EN); label.lrt(EN, (w,h));
          defaultscale:=nA;
        else:
          label.lrt(EN, (w,h));
        fi
        label.lrt(CAT,(75mm,h));
        label.lrt(MW,(105mm,h));
        label.lrt(mw,(130mm,h));
        label.lrt(fm,(155mm,h));
        make_frame;
        if mc_row>12: defaultscale:=0.6; row_h:=5.25;
        ef mc_row>8:  defaultscale:=0.8; row_h:=6.5;
        else: row_h:=10;
        fi
        for i=1 upto mc_row:
          label.lrt(mc[i],(w+mc_indent[i]*4.25,h-(i-1)*row_h-11.5));
        endfor
      )
      VerbatimTeX("\gdef\EN{"&EN&"}");
   fi
  endfigm
\end{mplibcode}\vspace{-1.2pt}\\
%------------------------------------------------------------------------
\fi%
\message{[\the\fig@num:\EN]}%
\ifCONT@ \repeat%
%------------------------------------------------------------------------------
\end{document}