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% \begin{macrocode}
\NeedsTeXFormat{LaTeX2e}[1996/06/01]
\ProvidesPackage{circledsteps}[2019/06/19 v1.0 Circled steps that you can reference]
% \end{macrocode}
%
% Copyright (c) 2019 Romano Giannetti
% Heavily helped by @marmot and other on
% https://tex.stackexchange.com/questions/7032/good-way-to-make-textcircled-numbers
% License: LPPL 1.3c
%
% \begin{macrocode}
\RequirePackage{pict2e}
\RequirePackage{picture}
\RequirePackage{pgfkeys} % for the pgfkeys
\pgfkeys{/csteps/inner ysep/.initial=4pt,
/csteps/inner xsep/.initial=4pt,
/csteps/inner color/.initial=red,
/csteps/outer color/.initial=blue,
}
\newsavebox\csteps@CBox
\newlength\csteps@XLength \newlength\csteps@YLength \newlength\csteps@YDepth \newlength\csteps@tmplen
\def\csteps@CircledParam#1#2{\sbox\csteps@CBox{#2}%
\csteps@XLength=\wd\csteps@CBox\advance\csteps@XLength by\pgfkeysvalueof{/csteps/inner xsep}\relax
\csteps@tmplen=\pgfkeysvalueof{/csteps/inner ysep}\relax
\csteps@YDepth=\dp\csteps@CBox\advance\csteps@YDepth by 0.5\csteps@tmplen\relax
\csteps@YLength=\ht\csteps@CBox\advance\csteps@YLength by\dp\csteps@CBox\advance\csteps@YLength by\pgfkeysvalueof{/csteps/inner ysep}\relax
% \typeout{DBG:#2\space X:\the\csteps@XLength\space Y:\the\csteps@YLength\space D:\the\csteps@YDepth}%
\raisebox{-#1\csteps@YDepth}{%
\ifdim\csteps@XLength>\csteps@YLength
\makebox[\csteps@XLength]{% X bigger than Y
\makebox(0,\csteps@YLength){%
\color{\pgfkeysvalueof{/csteps/outer color}}\put(0,0){\oval(\csteps@XLength,\csteps@YLength)}%
}%
\makebox(0,\csteps@YLength){%
\put(-.5\wd\csteps@CBox,0){\textcolor{\pgfkeysvalueof{/csteps/inner color}}{#2}}%
}}%
\else
\makebox[\csteps@YLength]{%
\makebox(0,\csteps@YLength){%
\color{\pgfkeysvalueof{/csteps/outer color}}\put(0,0){\circle{\csteps@YLength}}%
}%
\makebox(0,\csteps@YLength){%
\put(-.5\wd\csteps@CBox,0){\textcolor{\pgfkeysvalueof{/csteps/inner color}}{#2}}%
}}%
\fi
}%
}
% \end{macrocode}
% Main commands:
% \begin{macrocode}
\def\Circled#1{\csteps@CircledParam{1}{#1}}
\def\CircledTop#1{\csteps@CircledParam{0}{#1}}
\newcommand{\CircledText}[1]{%
\begingroup
\tikzset{/csteps/inner color=., /csteps/outer color=.}%
\Circled{#1}%
\endgroup
}
% \end{macrocode}
% Automatic counters code
% \begin{macrocode}
\newcounter{cstepcnt}
\newcommand{\startcstep}{\setcounter{cstepcnt}{0}}
\newcommand{\resetcstep}{\setcounter{cstepcnt}{0}}
\newcommand{\cstep}{%
\refstepcounter{cstepcnt}%
\Circled{\scriptsize\arabic{cstepcnt}}%
}
\renewcommand{\thecstepcnt}{\textbf{\arabic{cstepcnt}:}}
% \end{macrocode}
%
%
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