%
% lltjp-tascmac.sty
%  based on tascmac.sty [2016/04/15 v2.0b (community edition)]
% \tbaselineshift=\z@ ==> \ltj@tablshift=\z@
% \ybaselineshift=\z@ ==> \ltj@yablshift=\z@
% \dimen...=\tbaselineshift ==> \dimen...=\ltj@tablshift sp
% \dimen...=\ybaselineshift ==> \dimen...=\ltj@yablshift sp

\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{lltjp-tascmac}[2017/12/23 Patch to (t)ascmac for LuaTeX-ja]

\RequirePackage{tascmac}

%% use Type1 font for ascgrp
\pdfextension mapline{+ascgrp <ascgrp.pfb}

%% oval command
\def\ascmac@parse@ovarg#1{%
  \ifnum\ltjgetparameter{direction}=3\relax
    \def\ascmac@ovarg{}%
    \@tfor\reserved@a:=#1\do{%
      \if l\reserved@a \edef\ascmac@ovarg{\ascmac@ovarg t}%
      \else\if t\reserved@a \edef\ascmac@ovarg{\ascmac@ovarg r}%
      \else\if r\reserved@a \edef\ascmac@ovarg{\ascmac@ovarg b}%
      \else\if b\reserved@a \edef\ascmac@ovarg{\ascmac@ovarg l}%
      \fi\fi\fi\fi}%
  \else
    \def\ascmac@ovarg{#1}%
  \fi
}

%% boxnote environment
\def\boxnote{\par\vspace{.3\baselineskip}%
  \@saveybaselineshift\ltj@yablshift sp\ltj@yablshift\z@
  \@savetbaselineshift\ltj@tablshift sp\ltj@tablshift\z@
  \setbox\@nbox=\hbox{\@ascgrp\vrule width1.08pt depth35pt b\hss a\hss b}
  \@whiledim \wd\@nbox<\hsize \do{
  \setbox\@nbox=\hbox{\@ascgrp\unhbox\@nbox \hss a\hss b}}
  \setbox\@nbox=\hbox to\hsize{\@ascgrp\unhbox\@nbox \hss a\hss b%
  \vrule width1.08pt depth35pt}
  \@bw=\wd\@nbox\advance\@bw -40pt
  \begin{lrbox}{\@nbody}\begin{minipage}{\@bw}% (KN:1998/02/27)
    \ltj@yablshift\@saveybaselineshift \ltj@tablshift\@savetbaselineshift}%

%% screen environment
\def\screen{%
  \@saveybaselineshift\ltj@yablshift sp\ltj@yablshift\z@
  \@savetbaselineshift\ltj@tablshift sp\ltj@tablshift\z@
  \@ifnextchar[{\@screen}{\@screen[0]}}
\def\@screen[#1]{\ifcase#1\def\@r{20}\def\@s{9.8pt}\def\@sx{10pt}\or
  \def\@r{18}\def\@s{8.8pt}\def\@sx{9pt}\or
  \def\@r{16}\def\@s{7.8pt}\def\@sx{8pt}\or
  \def\@r{14}\def\@s{6.8pt}\def\@sx{7pt}\or
  \def\@r{12}\def\@s{5.8pt}\def\@sx{6pt}\or
  \def\@r{10}\def\@s{4.8pt}\def\@sx{5pt}\or
  \def\@r{8}\def\@s{3.8pt}\def\@sx{4pt}\or
  \def\@r{6}\def\@s{2.8pt}\def\@sx{3pt}\else
  \def\@r{4}\def\@s{1.8pt}\def\@sx{2pt}\fi
  \par\vspace{.3\baselineskip}\@scw\linewidth \advance\@scw -\@r pt
  \setbox\scb@x=\hbox to\@scw\bgroup\begin{minipage}{\@scw}% (KN:1998/02/27)
    \ltj@yablshift\@saveybaselineshift \ltj@tablshift\@savetbaselineshift}%

%% itembox environment
\def\@itembox[#1]#2{%
  \@saveybaselineshift\ltj@yablshift sp\ltj@yablshift\z@
  \@savetbaselineshift\ltj@tablshift sp\ltj@tablshift\z@
  \par\vspace{.3\baselineskip}%
  \setbox\@iboxstr=\hbox{%
  \ltj@yablshift\@saveybaselineshift \ltj@tablshift\@savetbaselineshift #2}%
  \@itemh\ht\@iboxstr\advance\@itemh\dp\@iboxstr
  \vspace{.5\@itemh}\bgroup\@scw\linewidth
  \advance\@scw-20pt\@iboxpos={#1}%
  \setbox\scb@x=\hbox to\@scw\bgroup\begin{minipage}{\@scw}%
  \ltj@yablshift\@saveybaselineshift
  \ltj@tablshift\@savetbaselineshift
  \vspace*{.5\@itemh}}%

%% \keytop
\def\@keytop[#1]#2{%
  {\setbox0=\hbox{\shortstack{#2}}\ltj@yablshift\z@\ltj@tablshift\z@%
  \dimen0=\wd0\advance\dimen0 5pt\dimen1=\dp0\advance\dimen1 2.5pt%
  \setbox\scscb@x=\hbox to\dimen0{%
  \@scw\wd0\hfil\vtop{\offinterlineskip
  \thinlines\setlength{\unitlength}{1pt}\hrule\kern2.3pt\@hobox{tl}{tr}5%
  \kern-2.4pt\box0\@hobox{bl}{br}5\kern-.4pt\hrule}\hfil}%
  \dimen0=\dp\scscb@x\advance\dimen0 -.4pt
  \setbox0=\vbox{\hbox{\hbox to.2pt{\vtop to\dimen0{\@vrf@{2.3pt}{.4pt}}\hss}%
  \box\scscb@x\hbox to.2pt{\hss\vtop to\dimen0{\@vrf@{2.3pt}{.4pt}}}}}%
  \if #1c\mbox{}$\vcenter{\box0}$\mbox{}\else
  \if #1t\else\if #1b\boxmaxdepth=0pt\else
  \boxmaxdepth=\dimen1\fi\fi \mbox{}\vbox{\box0}\fi}}

%% \mask
\def\mask#1#2{{\setbox\@bwsp=\hbox{#1}%
  \setbox0=\hbox{\ltj@yablshift\z@\ltj@tablshift\z@ \@ascgrp#2}%
  \dimen0=\wd\@bwsp\dimen1=\ht\@bwsp\advance\dimen1\dp\@bwsp\dimen2=-\dimen1
  \setdim@{\dimen0}{\wd0}\setdim@{\dimen1}{\ht0}%
  \setbox\@@bwsp=\hbox to\dimen0{\leaders
  \vtop to\dimen1{\leaders\box0\vfil}\hfil}%
  \advance\dimen2\dp\@@bwsp\divide\dimen2 2
  \advance\dimen2\dp\@bwsp\boxmaxdepth=\dimen2
  \setbox\@@bwsp=\vbox{\box\@@bwsp}%
  \mbox{}\hbox to\wd\@@bwsp{\hbox to0pt{\box\@@bwsp\hss}\hss\unhbox\@bwsp\hss}}}

%% \maskbox
\def\Maskbox#1#2#3#4#5#6{{%
  \setbox0=\hbox{\ltj@yablshift\z@\ltj@tablshift\z@ \@ascgrp#3}%
  \dimen0=#1\@setdim{\dimen0}{\wd0}\dimen1=#2\@setdim{\dimen1}{\ht0}%
  \ifx#4c\skip0=0pt plus1fil\skip1=\skip0\fi
  \ifx#4r\skip0=0pt plus1fil\skip1=0pt\fi
  \ifx#4l\skip1=0pt plus1fil\skip0=0pt\fi
  \leavevmode
  \hbox{\hbox to0pt{\hbox to\dimen0{\leaders\vbox to\dimen1{\leaders
  \box0\vfil}\hfil}\hss}%
  \vrule width#5\vbox to\dimen1{\hrule height#5\vfil
  \dimen3=#5\advance\dimen0-2\dimen3\advance\dimen0 .15pt
  \hbox to\dimen0{\hskip\skip0\relax#6\hskip\skip1}%
  \vfil\hrule height#5}\vrule width#5}}}

%% shadebox environment
\def\shadebox{\par\vspace{.3\baselineskip}%
  \@saveybaselineshift\ltj@yablshift sp\ltj@yablshift\z@
  \@savetbaselineshift\ltj@tablshift sp\ltj@tablshift\z@
  \dimen0\linewidth \advance\dimen0-20pt
  \advance\dimen0-2\fboxrule \advance\dimen0-\shaderule
  \setbox\@tempboxa=\hbox\bgroup\minipage{\dimen0}%
    \ltj@yablshift\@saveybaselineshift \ltj@tablshift\@savetbaselineshift}

%% \yen
%
% \changes{1996/03/13}{v1.1}{Append \cs{leavevmode} in
%     \cs{yen}, \cs{return}, \cs{Return} command.}
%
\def\yen{\leavevmode\hbox{\yoko%
\setbox0=\hbox{Y}Y\kern-.97\wd0\vbox{\hrule height.1ex width.98\wd0
\kern.33ex\hrule height.1ex width.98\wd0\kern.45ex}}}
%
%% return-key
\def\return{\leavevmode\hbox{\yoko\@ascgrp\char"20}}
\def\Return{\leavevmode\hbox{\yoko\@ascgrp @}}

\endinput
