%
%===============================================================
%
%  jacntmrk.sty v1.0.0
%
%---------------------------------------------------------------
%
% Copyright (C) 2013, staureus, http://hitgot.org
%
% This file is distributed under GPL version 2.
%
%---------------------------------------------------------------
% Description
%  - Japanese:センター試験風の縦長丸数字を使えるようにします。
%             描画にはTikZライブラリーを使用するので，適切な
%             TeX環境に合わせた適切なドライバー指定をして下さい。
%             graphicxパッケージのオプションで指定するのが簡単
%              例)\usepackage[dvipdfmx]{graphicx}
%                 これを，\usepackage{jacntmrk}の前に書いておく。
%
%  - English: Circled number which is medeled on Japanese
%            National Center for University Entrance Exam.
%             This style file uses TikZ library, so you should
%            specify an appropriate driver for PGF/TikZ.
%---------------------------------------------------------------


\ProvidesPackage{centermark}[2013/04/21 staureus, hitgot.org]

\RequirePackage{ifthen}
\RequirePackage{tikz}

\newcommand{\centermark}[1]{%
\newif\ifunknowncharacter
\unknowncharactertrue
\ifthenelse{\equal{#1}{0}}{\unknowncharacterfalse%
\parbox[c]{0.9em}{%
\begin{tikzpicture}[line cap=rect, sharp corners, line width=0.08em]
	\path (-0.37em,0.5em) (0.37em,-0.7em);
	\draw (0,0)
		ellipse (0.37em and 0.5em);
	\draw (0,0.3em) 
		to [out=180,in=90] (-0.18em,0)
		to [out=270,in=180] (0,-0.3em)
		to [out=0,in=270] (0.18em,0)
		to [out=90,in=0] (0,0.3em)
		-- cycle;
\end{tikzpicture}}%
}{}%
\ifthenelse{\equal{#1}{1}}{\unknowncharacterfalse%
\parbox[c]{0.9em}{%
\begin{tikzpicture}[line cap=rect, sharp corners, line width=0.08em]
	\path (-0.37em,0.5em) (0.37em,-0.7em);
	\draw (0,0)
		 ellipse (0.37em and 0.5em);
	\draw [line join = bevel] (-0.13em,0.25em)
		.. controls (-0.07em,0.25em) and (0,0.29em) ..  (0,0.34em)
		-- (0,-0.3em);
\end{tikzpicture}}%
}{}%
\ifthenelse{\equal{#1}{2}}{\unknowncharacterfalse%
\parbox[c]{0.9em}{%
\begin{tikzpicture}[line cap=rect, sharp corners, line width=0.08em]
	\path (-0.37em,0.5em) (0.37em,-0.7em);
	\draw (0,0)
		ellipse (0.37em and 0.5em);
	\draw (-0.15em,0.17em)
		to [out=85,in=180](0,0.3em)
		to [out=0,in=90](0.15em, 0.17em)
		.. controls (0.13em,0)and(-0.12em,-0.10em)..(-0.15em,-0.28em)
		-- (0.15em, -0.28em);
\end{tikzpicture}}%
}{}%
\ifthenelse{\equal{#1}{3}}{\unknowncharacterfalse%
\parbox[c]{0.9em}{%
\begin{tikzpicture}[line cap=rect, sharp corners, line width=0.08em]
	\path (-0.37em,0.5em) (0.37em,-0.7em);
	\draw (0,0)
		ellipse (0.37em and 0.5em);
	\draw (-0.15em,0.17em)
		to[out=85,in=180](0,0.3em)
		to [out=0,in=90](0.15em,0.17em)
		to[out=270,in=0](-0.01em,0);
	\draw (-0.01em,0)
		to [out=1,in=90](0.16em,-0.15em)
		to [out=270, in=0](0,-0.3em)
		to [out=180,in=275](-0.17em,-0.17em);
\end{tikzpicture}}%
}{}%
\ifthenelse{\equal{#1}{4}}{\unknowncharacterfalse%
\parbox[c]{0.9em}{%
\begin{tikzpicture}[line cap=rect, sharp corners, line width=0.08em,line join=bevel]
	\path (-0.37em,0.5em) (0.37em,-0.7em);
	\draw (0,0)
		ellipse (0.37em and 0.5em);
	\draw (0.07em,-0.3em)
		-- (0.07em,0.34em)
		-- (-0.22em,-0.14em)
		-- (0.17em,-0.14em);
\end{tikzpicture}}%
}{}%
\ifthenelse{\equal{#1}{5}}{\unknowncharacterfalse%
\parbox[c]{0.9em}{%
\begin{tikzpicture}[line cap=rect, sharp corners, line width=0.08em]
	\path (-0.37em,0.5em) (0.37em,-0.7em);
	\draw (0,0)
		ellipse (0.37em and 0.5em);
	\draw [line join=bevel] (0.14em,0.3em)
		-- (-0.14em,0.3em)
		-- (-0.16em,-0.02em)
		to [out=60,in=180](0,0.08em)
		to [out=0,in=90] (0.17em,-0.1em)
		to [out=270,in=0](0,-0.3em)
		to [out=180,in=290](-0.17em,-0.18em);
\end{tikzpicture}}%
}{}%
\ifthenelse{\equal{#1}{6}}{\unknowncharacterfalse%
\parbox[c]{0.9em}{%
\begin{tikzpicture}[line cap=rect, sharp corners, line width=0.08em]
	\path (-0.37em,0.5em) (0.37em,-0.7em);
	\draw (0,0)
		ellipse (0.37em and 0.5em);
	\draw (0.15em,0.2em)
		to [out=110,in=0](0,0.3em)
		to [out=180, in=90](-0.17em,0)
		to [out=270,in=180](0,-0.3em)
		to [out=0,in=270](0.17em,-0.12em)
		to [out=90,in=0](0.02em,0.06em)
		to [out=180,in=80](-0.15em,-0.08em);
\end{tikzpicture}}%
}{}%
\ifthenelse{\equal{#1}{7}}{\unknowncharacterfalse%
\parbox[c]{0.9em}{%
\begin{tikzpicture}[line cap=rect, sharp corners, line width=0.08em]
	\path (-0.37em,0.5em) (0.37em,-0.7em);
	\draw (0,0)
		ellipse (0.37em and 0.5em);
	\draw [line join=bevel](-0.15em,0.28em)
		-- (0.17em,0.28em)
		to [out=230,in=90](0,-0.30em);
\end{tikzpicture}}%
}{}%
\ifthenelse{\equal{#1}{8}}{\unknowncharacterfalse%
\parbox[c]{0.9em}{%
\begin{tikzpicture}[line cap=rect, sharp corners, line width=0.08em]
	\path (-0.37em,0.5em) (0.37em,-0.7em);
	\draw (0,0)
		ellipse (0.37em and 0.5em);
	\draw (0,0.3em)
		to [out=180,in=90](-0.15em,0.17em)
		to [out=270,in=180](0,0.04em)
		to [out=0,in=270](0.15em,0.17em)
		to [out=90,in=0](0,0.3em)
		-- cycle;
	\draw (0,0.04em)
		to [out=180,in=90](-0.19em,-0.13em)
		to [out=270,in=180](0,-0.3em)
		to [out=0,in=270](0.19em,-0.13em)
		to [out=90,in=0](0,0.04em)
		-- cycle;
\end{tikzpicture}}%
}{}%
\ifthenelse{\equal{#1}{9}}{\unknowncharacterfalse%
\parbox[c]{0.9em}{%
\begin{tikzpicture}[line cap=rect, sharp corners, line width=0.08em]
	\path (-0.37em,0.5em) (0.37em,-0.7em);
	\draw (0,0)
		ellipse(0.37em and 0.5em);
	\draw (-0.15em,-0.2em)
		to [out=290,in=180](0,-0.3em)
		to [out=0, in=270](0.17em,0)
		to [out=90,in=0](0,0.3em)
		to [out=180,in=90](-0.17em,0.12em)
		to [out=270,in=180](-0.02em,-0.06em)
		to [out=0,in=260](0.15em,0.08em);
\end{tikzpicture}}%
}{}%
\ifthenelse{\equal{#1}{a}}{\unknowncharacterfalse%
\parbox[c]{0.9em}{%
\begin{tikzpicture}[line cap=rect, sharp corners, line width=0.08em]
	\path (-0.37em,0.5em) (0.37em,-0.7em);
	\draw (0,0)
		ellipse (0.37em and 0.5em);
	\draw (-0.16em,0.15em)
		to [out=70,in=180](0,0.23em)
		to [out=0,in=90](0.16em,0.10em)
		-- (0.16em,-0.17em)
		to [out=320,in=150](0.20em,-0.20em);
	\draw (0.16em,0.04em)
		to [out=180,in=90](-0.18em,-0.15em)
		to [out=270,in=240](0.14em,-0.14em);
\end{tikzpicture}}%
}{}%
\ifthenelse{\equal{#1}{b}}{\unknowncharacterfalse%
\parbox[c]{0.9em}{%
\begin{tikzpicture}[line cap=rect, sharp corners, line width=0.08em]
	\path (-0.37em,0.5em) (0.37em,-0.7em);
	\draw (0,0)
		ellipse (0.37em and 0.5em);
	\draw (-0.14em,0.27em)
		-- (-0.14em,-0.25em);
	\draw (-0.14em,-0.13em)
		to [out=270,in=180](0.04em,-0.27em)
		to [out=0,in=270](0.22em,-0.09em)
		to [out=90,in=0](0.04em,0.09em)
		to [out=180,in=90](-0.14em,-0.05em)
		-- cycle;
\end{tikzpicture}}%
}{}%
\ifthenelse{\equal{#1}{c}}{\unknowncharacterfalse%
\parbox[c]{0.9em}{%
\begin{tikzpicture}[line cap=rect, sharp corners, line width=0.08em]
	\path (-0.37em,0.5em) (0.37em,-0.7em);
	\draw (0,0)
		ellipse (0.37em and 0.5em);
	\begin{scope}
		\clip (0.25em,0.25em)
			-- (-0.25em,0.25em)
			-- (-0.25em,-0.3em)
			-- (0.25em,-0.3em)
			-- (0.25em,-0.12em)
			-- (0,-0.12em)
			-- (0,0.08em)
			-- (0.25em,0.08em)
			-- cycle;
		\draw (0,0.20em)
			to [out=180,in=90](-0.19em,-0.02em)
			to [out=270,in=180](0,-0.24em)
			to [out=0,in=270](0.19em,-0.02em)
			to [out=90,in=0](0,0.20em)
			-- cycle;
	\end{scope}
\end{tikzpicture}}%
}{}%
\ifthenelse{\equal{#1}{d}}{\unknowncharacterfalse%
\parbox[c]{0.9em}{%
\begin{tikzpicture}[line cap=rect, sharp corners, line width=0.08em]
	\path (-0.37em,0.5em) (0.37em,-0.7em);
	\draw (0,0)
		ellipse (0.37em and 0.5em);
	\draw (0.14em,0.27em)
		-- (0.14em,-0.25em);
	\draw (0.14em,-0.13em)
		to [out=270,in=0](-0.04em,-0.27em)
		to [out=180,in=270](-0.22em,-0.09em)
		to [out=90,in=180](-0.04em,0.09em)
		to [out=0,in=90](0.14em,-0.05em)
		-- cycle;
\end{tikzpicture}}%
}{}%
\ifthenelse{\equal{#1}{-}}{\unknowncharacterfalse%
\parbox[c]{0.9em}{%
\begin{tikzpicture}[line cap=rect, sharp corners, line width=0.08em]
	\path (-0.37em,0.5em) (0.37em,-0.7em);
	\draw (0,0)
		ellipse (0.37em and 0.5em);
	\draw (-0.18em,0)
		-- (0.18em,0);
\end{tikzpicture}}%
}{}%
\ifthenelse{\equal{#1}{\pm} \OR \equal{#1}{±}}{\unknowncharacterfalse%
\parbox[c]{0.9em}{%
\begin{tikzpicture}[line cap=rect, sharp corners, line width=0.08em]
	\path (-0.37em,0.5em) (0.37em,-0.7em);
	\draw (0,0)
		ellipse (0.37em and 0.5em);
	\draw (-0.18em,0.08em)
		-- (0.18em,0.08em);
	\draw (-0.18em, -0.2em)
		-- (0.18em, -0.2em);
	\draw (0, 0.26em)
		-- (0,-0.1em);
\end{tikzpicture}}%
}{}%
\ifunknowncharacter{%
\parbox[c]{0.9em}{%
\begin{tikzpicture}[line cap=rect, sharp corners, line width=0.08em]
	\path (-0.37em,0.5em) (0.37em,-0.7em);
	\draw (0,0)
		ellipse (0.37em and 0.5em);
\end{tikzpicture}}%
}\fi
}