LaTeX技巧700：带圈数字的实现方法

• LaTeX技巧407：LaTeX如何实现带圈脚注——简便实现方案
• LaTeX技巧28：如何在文中实现带圈的数字
• LaTeX技巧93：定义带圈数字编号的列表

• good-way-to-make-textcircled-numbers

\documentclass{article}
\usepackage{fontspec}
\usepackage{libertine}
\usepackage{pgf} % for the calculation
% \libcirc and \libcircblk display their '0' if the parameter is out of range
\newcommand{\libcirc}[1]{\pgfmathparse{
    ifthenelse(#1 > 0 && #1 < 21, Hex(9311+#1), Hex(9450)
    }\libertineGlyph{uni\pgfmathresult}}
\newcommand{\libcircdbl}[1]{\pgfmathparse{Hex(9460+#1)}\libertineGlyph{uni\pgfmathresult}}
\newcommand{\libcircblk}[1]{\pgfmathparse{
    ifthenelse(#1 > 0 && #1 < 11, Hex(10101+#1),
        ifthenelse(#1 > 10 && #1 < 21, Hex(9450-10+#1),
            Hex(9471)
        )
    )
    }\libertineGlyph{uni\pgfmathresult}}

\newcommand{\juncirc}[1]{{\fontspec[Ligatures=Discretionary]{Junicode}[#1]}}
\newcommand{\juncircdbl}[1]{{\fontspec[Ligatures=Discretionary]{Junicode}[[#1]]}}
\newcommand{\juncircblk}[1]{{\fontspec[Ligatures=Discretionary]{Junicode}<#1>}}

\usepackage{pgffor} % just for the demo loop
\setlength{\parindent}{0pt} % just for the demo
\begin{document}
\section{Linux Libertine}
\foreach \x in {0,...,20} {\libcirc{\x} }

\foreach \x in {1,...,10} {\libcircdbl{\x} }

\foreach \x in {0,...,20} {\libcircblk{\x} }

\section{\fontspec{Junicode}Junicode}
\foreach \x in {0,...,20} {\juncirc{\x} }

\foreach \x in {1,...,10} {\juncircdbl{\x} }

\foreach \x in {0,...,20} {\juncircblk{\x} }
\end{document}