% Author: Dongsheng Deng
% Homepage: https://ddswhu.me/
% Email: [email protected]
% Lastest Version: https://github.com/ElegantLaTeX/ElegantNote

% --- Class structure: identification part
\ProvidesClass{elegantnote}[2022/12/31 ElegantNote v2.50 class]
\NeedsTeXFormat{LaTeX2e}


\RequirePackage{kvoptions}
\RequirePackage{etoolbox}
\RequirePackage{calc}

\SetupKeyvalOptions{family=ELEGANT,prefix=ELEGANT@,setkeys=\kvsetkeys}
\newcommand{\ekv}[1]{\kvsetkeys{ELEGANT}{#1}}

\DeclareStringOption[blue]{color}
\DeclareVoidOption{green}{\ekv{color=green}}
\DeclareVoidOption{cyan}{\ekv{color=cyan}}
\DeclareVoidOption{blue}{\ekv{color=blue}}
\DeclareVoidOption{sakura}{\ekv{color=sakura}}
\DeclareVoidOption{black}{\ekv{color=black}}
\DeclareVoidOption{brown}{\ekv{color=brown}}

\DeclareStringOption[pad]{device}
\DeclareVoidOption{pc}{\ekv{device=pc}}
\DeclareVoidOption{pad}{\ekv{device=pad}}
\DeclareVoidOption{kindle}{\ekv{device=kindle}}
\DeclareVoidOption{normal}{\ekv{device=normal}}
\DeclareVoidOption{screen}{\ekv{device=screen}}

\DeclareStringOption[cn]{lang}
\DeclareVoidOption{cn}{\ekv{lang=cn}}
\DeclareVoidOption{en}{\ekv{lang=en}}

\DeclareStringOption{mode}
\DeclareVoidOption{geye}{\ekv{mode=geye}}
\DeclareVoidOption{hazy}{\ekv{mode=hazy}}
\DeclareVoidOption{sepia}{\ekv{mode=sepia}}

\DeclareStringOption[ctexfont]{chinesefont}
\DeclareVoidOption{ctexfont}{\ekv{chinesefont=ctexfont}}
\DeclareVoidOption{founder}{\ekv{chinesefont=founder}}
\DeclareVoidOption{nofont}{\ekv{chinesefont=nofont}}

\DeclareStringOption[numeric-comp]{citestyle}
\DeclareStringOption[numeric]{bibstyle}

\DeclareStringOption[biber]{bibend}
\DeclareVoidOption{biber}{\ekv{bibend=biber}}
\DeclareVoidOption{bibtex}{\ekv{bibend=bibtex}}


\DeclareStringOption[11pt]{fontsize}
\DeclareVoidOption{10pt}{\ekv{fontsize=10pt}}
\DeclareVoidOption{11pt}{\ekv{fontsize=11pt}}
\DeclareVoidOption{12pt}{\ekv{fontsize=12pt}}

\DeclareStringOption[cm]{math}
\DeclareVoidOption{newtx}{\ekv{math=newtx}}
\DeclareVoidOption{mtpro2}{\ekv{math=mtpro2}}
\DeclareVoidOption{cm}{\ekv{math=cm}}

\DeclareDefaultOption{
 \PassOptionsToClass{\CurrentOption}{article}
}
\ProcessKeyvalOptions*\relax

\LoadClass{article}

\PassOptionsToPackage{no-math}{fontspec}
\PassOptionsToPackage{quiet}{fontspec}
\RequirePackage{amsmath,amsthm}

\RequirePackage{iftex}

\ifXeTeX
 \RequirePackage[no-math]{fontspec}
 \setmainfont{texgyretermes}[
   UprightFont = *-regular ,
   BoldFont = *-bold ,
   ItalicFont = *-italic ,
   BoldItalicFont = *-bolditalic ,
   Extension = .otf ,
   Scale = 1.0]

 \setsansfont{texgyreheros}[
   UprightFont = *-regular ,
   BoldFont = *-bold ,
   ItalicFont = *-italic ,
   BoldItalicFont = *-bolditalic ,
   Extension = .otf ,
   Scale = 0.9]
\else
 \RequirePackage{newtxtext}
 \RequirePackage[scaled=.90]{helvet}
\fi



\ifdefstring{\ELEGANT@lang}{cn}{
 \ifdefstring{\ELEGANT@chinesefont}{founder}{
   \RequirePackage[UTF8,scheme=plain,fontset=none]{ctex}
   \setCJKmainfont[BoldFont={FZHei-B01},ItalicFont={FZKai-Z03}]{FZShuSong-Z01}
   \setCJKsansfont[BoldFont={FZHei-B01}]{FZKai-Z03}
   \setCJKmonofont[BoldFont={FZHei-B01}]{FZFangSong-Z02}
   \setCJKfamilyfont{zhsong}{FZShuSong-Z01}
   \setCJKfamilyfont{zhhei}{FZHei-B01}
   \setCJKfamilyfont{zhkai}[BoldFont={FZHei-B01}]{FZKai-Z03}
   \setCJKfamilyfont{zhfs}[BoldFont={FZHei-B01}]{FZFangSong-Z02}
   \newcommand*{\songti}{\CJKfamily{zhsong}}
   \newcommand*{\heiti}{\CJKfamily{zhhei}}
   \newcommand*{\kaishu}{\CJKfamily{zhkai}}
   \newcommand*{\fangsong}{\CJKfamily{zhfs}}}{\relax}

 \ifdefstring{\ELEGANT@chinesefont}{nofont}{
   \RequirePackage[UTF8,scheme=plain,fontset=none]{ctex}}{\relax}

 \ifdefstring{\ELEGANT@chinesefont}{ctexfont}{
   \RequirePackage[UTF8,scheme=plain]{ctex}}{\relax}

 \AfterEndPreamble{
   \setlength\parindent{2\ccwd}}
}{\relax}

\ifcsname kaishu\endcsname
 \newcommand{\citshape}{\kaishu}
\else
 \newcommand{\citshape}{\itshape}
\fi
\ifcsname kaishu\endcsname
 \newcommand{\cnormal}{\kaishu}
\else
 \newcommand{\cnormal}{\normalfont}
\fi
\ifcsname fangsong\endcsname
 \newcommand{\cfs}{\fangsong}
\else
 \newcommand{\cfs}{\normalfont}
\fi


\ifdefstring{\ELEGANT@math}{newtx}{
 \RequirePackage{newtxmath}
 \let\Bbbk\relax
 \RequirePackage{esint}
 %%% use yhmath pkg, uncomment following code
 % \let\oldwidering\widering
 % \let\widering\undefined
 % \RequirePackage{yhmath}
 % \let\widering\oldwidering

 %%% use esvect pkg, uncomment following code
 % \RequirePackage{esvect}

 \DeclareSymbolFont{CMlargesymbols}{OMX}{cmex}{m}{n}
 \let\sumop\relax\let\prodop\relax
 \DeclareMathSymbol{\sumop}{\mathop}{CMlargesymbols}{"50}
 \DeclareMathSymbol{\prodop}{\mathop}{CMlargesymbols}{"51}
}{\relax}


\RequirePackage[
 backend=\ELEGANT@bibend,
 citestyle=\ELEGANT@citestyle,
 bibstyle=\ELEGANT@bibstyle]{biblatex}


\RequirePackage{appendix}

\ifdefstring{\ELEGANT@lang}{cn}{%
 \theoremstyle{plain}% default
 \newtheorem{theorem}{定理}[section] %
 \newtheorem{lemma}[theorem]{引理} %
 \newtheorem{proposition}[theorem]{命题} %
 \newtheorem*{corollary}{推论} %
 \theoremstyle{definition} %
 \newtheorem{definition}{定义}[section] %
 \newtheorem{conjecture}{猜想}[section] %
 \newtheorem{example}{例}[section] %
 \theoremstyle{remark} %
 \newtheorem*{remark}{\normalfont\bfseries 评论} %
 \newtheorem*{note}{\normalfont\bfseries 注} %
 \newtheorem{case}{\normalfont\bfseries 案例} %
 \renewcommand*{\proofname}{\normalfont\bfseries\color{ecolor}证明} %
 \renewcommand\contentsname{\color{ecolor}目录}
 \renewcommand\refname{\color{ecolor}参考文献} %
 \renewcommand\figurename{图} %
 \renewcommand\tablename{表}
 \newcommand\versiontext{版本：}%
 \newcommand\updatetext{更新：}%
 \newcommand\ebibname{参考文献}
 \setlength{\parindent}{2em}
 \newcommand{\keywords}[1]{%
   \vskip2ex\par\noindent\normalfont{\bfseries 关键词: } #1}
 }{\relax}

\ifdefstring{\ELEGANT@lang}{en}{
 \theoremstyle{plain}% default
 \newtheorem{theorem}{Theorem}[section] %
 \newtheorem{lemma}[theorem]{Lemma} %
 \newtheorem{proposition}[theorem]{Proposition} %
 \newtheorem*{corollary}{Corollary} %
 \theoremstyle{definition} %
 \newtheorem{definition}{Definition}[section] %
 \newtheorem{conjecture}{Conjecture}[section] %
 \newtheorem{example}{Example}[section] %
 \theoremstyle{remark} %
 \newtheorem*{remark}{Remark} %
 \newtheorem*{note}{Note} %
 \newcommand\ebibname{Bibliography}
 \newtheorem{case}{Case}
 \renewcommand*{\proofname}{%
   \normalfont\bfseries\color{ecolor} Proof}
 \newcommand\versiontext{Version: }%
 \newcommand\updatetext{Update: }}{\relax}

\RequirePackage{indentfirst}
\RequirePackage{anyfontsize}

\RequirePackage{graphicx}
\RequirePackage{booktabs}
\let\openbox\relax

\RequirePackage{xcolor}
\definecolor{winered}{rgb}{0.5,0,0}
\definecolor{epubblue}{RGB}{1,126,218}

\RequirePackage{hyperref}
\RequirePackage{xpatch}
\hypersetup{%
 pdfborder={0 0 0},
 colorlinks,
 citecolor=ecolor,
 filecolor=ecolor,
 linkcolor=ecolor,
 urlcolor=ecolor
}

\RequirePackage{hologo}

% 行距设置
\linespread{1.3}
\setlength{\parskip}{3mm}
\setlength{\parindent}{2em}
% 定义护眼模式 geye=true
\RequirePackage{xcolor}
\RequirePackage{silence}

% good for eye color
\ifdefstring{\ELEGANT@mode}{geye}{
 \definecolor{geyecolor}{RGB}{199,237,204}%
 \pagecolor{geyecolor}
}{\relax}
\ifdefstring{\ELEGANT@mode}{hazy}{
 \definecolor{geyecolor}{RGB}{251,250,248}%
 \pagecolor{geyecolor}
}{\relax}
\ifdefstring{\ELEGANT@mode}{sepia}{
 \definecolor{geyecolor}{RGB}{250,237,225}%
 \pagecolor{geyecolor}
}{\relax}


% graphics path
\graphicspath{
 {./figure/}
 {./figures/}
 {./image/}
 {./images/}
 {./graphics/}
 {./graphic/}
 {./pictures/}
 {./picture/}
}

\let\openbox\relax
\newtheoremstyle{plain}{\topsep}{\topsep}{\citshape}{}{%
 \color{ecolor}\bfseries}{}{%
 0.5em}{%
 \thmname{#1}\thmnumber{ #2}\thmnote{ (#3)}}

\newtheoremstyle{definition}{\topsep}{\topsep}{\citshape}{}{%
 \color{ecolor}\bfseries}{}{%
 0.5em}{}

\newtheoremstyle{remark}{\topsep}{\topsep}{\cnormal}{}{
 \color{ecolor}\bfseries}{}{
 0.5em}{}

% caption settings
\RequirePackage{caption}
\captionsetup{
 labelfont={bf,color=ecolor}}
\captionsetup[table]{skip=3pt}
\captionsetup[figure]{skip=3pt}

% list/itemize/enumerate setting
\RequirePackage[shortlabels,inline]{enumitem}
\setlist{nolistsep}

\RequirePackage[flushmargin,stable]{footmisc}
\setlength{\footnotesep}{12pt}

\RequirePackage{titlesec}
\titleformat*{\section}{\normalfont\Large\bfseries\color{ecolor}}
\titleformat*{\subsection}{\normalfont\large\bfseries\color{ecolor}}
\titleformat*{\subsubsection}{\normalfont\normalsize\bfseries\color{ecolor}}

\ifdefstring{\ELEGANT@color}{green}{
 \definecolor{ecolor}{RGB}{0,120,2}%
}{\relax}
\ifdefstring{\ELEGANT@color}{cyan}{
 \definecolor{ecolor}{RGB}{31,186,190}%
}{\relax}
\ifdefstring{\ELEGANT@color}{blue}{
 \definecolor{ecolor}{RGB}{1,126,218}%
}{\relax}
\ifdefstring{\ELEGANT@color}{sakura}{
 \definecolor{ecolor}{RGB}{255,183,197}%
}{\relax}
\ifdefstring{\ELEGANT@color}{black}{
 \definecolor{ecolor}{RGB}{0,0,0}%
}{\relax}
\ifdefstring{\ELEGANT@color}{brown}{
 \definecolor{ecolor}{RGB}{109,62,18}%
}{\relax}

\definecolor{egreen}{RGB}{0,120,2}
\definecolor{ecyan}{RGB}{0,175,152}
\definecolor{eblue}{RGB}{20,50,104}
\definecolor{sakura}{RGB}{255,183,197}
\definecolor{brown}{RGB}{109,62,18}

%% device settings
%% default=pad

\RequirePackage{geometry}
\WarningsOff
\RequirePackage[\ELEGANT@fontsize]{extsizes}
\WarningsOn

\ifdefstring{\ELEGANT@device}{pad}{%
 \geometry{
   paperwidth=6in,
   paperheight=8in,
   includefoot,
   margin=8mm}}{%
 \relax}

\ifdefstring{\ELEGANT@device}{pc}{
 \geometry{%
   margin=8mm,
   paperwidth=6.2in,
   paperheight=6in,
   includefoot}}{%
 \relax}

\ifdefstring{\ELEGANT@device}{kindle}{%
 \geometry{
   margin=8mm,
   paperwidth=3.68in,
   paperheight=4.92in}}{%
 \relax}

\ifdefstring{\ELEGANT@device}{normal}{%
 \geometry{
   margin=1in,
   a4paper}}{%
 \relax}

\ifdefstring{\ELEGANT@device}{screen}{%
 \geometry{
   screen,
   paperwidth=25.4cm,
   paperheight=19.05cm,
   margin=1.6cm,
   headheight=2.17cm,
   footskip=0.6cm}}{%
 \relax}

% headings
\RequirePackage{fancyhdr}
\renewcommand{\headrulewidth}{0pt}
\renewcommand{\footrulewidth}{0pt}

\fancypagestyle{fancy-note}{
 \fancyhf{} % clear header/footer settings
 \fancyfoot[C]{\footnotesize\textcolor{gray}{\thepage}}
}

\fancypagestyle{plain}{%
 \fancyhf{}
 \fancyfoot[R]{\footnotesize\textcolor{gray}{\thepage}}}

\pagestyle{fancy-note}



\def\bibfont{\footnotesize}

\def\IfEmpty#1{%
 \edef\1{\the#1}
 \ifx\1\empty}

\newtoks\version
\newtoks\institute

\def \ifempty#1{
 \def\temp{#1}
 \ifx\temp\empty}

\renewcommand\maketitle{\par
 \begingroup
   \renewcommand\thefootnote{\@fnsymbol\c@footnote}%
   \def\@makefnmark{\rlap{\@textsuperscript{\normalfont\@thefnmark}}}%
   \long\def\@makefntext##1{\parindent 1em\noindent
        \hb@[email protected]{%
          \hss\@textsuperscript{\normalfont\@thefnmark}}##1}%
   \if@twocolumn
     \ifnum \col@number=\@ne
       \@maketitle
     \else
       \twocolumn[\@maketitle]%
     \fi
   \else
     \newpage
     \global\@topnum\z@  % Prevents figures from going at top of page.
     \@maketitle
   \fi
   \thispagestyle{empty}\@thanks
 \endgroup
 \setcounter{footnote}{0}%
 \global\let\thanks\relax
 \global\let\maketitle\relax
 \global\let\@maketitle\relax
 \global\let\@thanks\@empty
 \global\let\@author\@empty
 \global\let\@ELEGANT@version\@empty
 \global\let\@date\@empty
 \global\let\@title\@empty
 \global\let\title\relax
 \global\let\author\relax
 \global\let\date\relax
 \global\let\and\relax
 \global\let\ELEGANT@version\relax}

\def\@maketitle{%
 \color{ecolor}
 \null
 \vskip 2em%
 \begin{center}%
   \let \footnote \thanks{%
     \LARGE\bfseries \@title \par}%
   \vskip 1.5em {%
     \large
     \lineskip .5em%
     \begin{tabular}[t]{c}%
       \@author
     \end{tabular}\\
     \begin{tabular}[t]{c}%
         \the\institute
     \end{tabular}\par}%

 \IfEmpty\version
 \else
   {\normalfont\citshape\versiontext\the\version \\}
 \fi
       \ifx\@date\empty
       \else
   {\normalfont\citshape\updatetext\@date}%
 \fi
 \end{center}%
 \par}


\RequirePackage{tikz}
\usetikzlibrary{shadows}
\newcommand*{\eitemi}{
 \tikz\draw[baseline, ball color=ecolor, draw=none] circle (2pt);}
\newcommand*{\eitemii}{
 \tikz\draw[baseline, fill=ecolor,draw=none,circular drop shadow] circle (2pt);}
\newcommand*{\eitemiii}{%
 \tikz\draw[baseline,fill=ecolor,draw=none] circle (2pt);}

\setlist[enumerate,1]{label=\color{ecolor}\arabic*.}
\setlist[enumerate,2]{label=\color{ecolor}(\alph*).}
\setlist[enumerate,3]{label=\color{ecolor}\Roman*.}
\setlist[enumerate,4]{label=\color{ecolor}\Alph*.}
\setlist[itemize,1]{label={\eitemi}}
\setlist[itemize,2]{label={\eitemii}}
\setlist[itemize,3]{label={\eitemiii}}
% source1: https://tex.stackexchange.com/questions/41408/a-five-level-deep-list
% source2: https://tex.stackexchange.com/questions/318199/change-color-of-itemize-bullet


\RequirePackage{listings,lstautogobble}
\renewcommand{\ttdefault}{cmtt}

\lstdefinestyle{estyle}{
 basicstyle=%
   \ttfamily
   \lst@ifdisplaystyle\small\fi}

% \lstset{
%   basicstyle=\scriptsize\ttfamily,
%   style=estyle}

\definecolor{lightgrey}{rgb}{0.9,0.9,0.9}
\definecolor{frenchplum}{RGB}{190,20,83}
\lstset{language=[LaTeX]TeX,
 style=estyle,
 autogobble=true,
 texcsstyle=*\color{winered},
 numbers=none,
 breaklines=true,
 keywordstyle=\color{winered},
 commentstyle=\color{gray},
 emph={%
   elegantpaper,
   fontenc,
   fontspec,
   xeCJK,
   FiraMono,
   xunicode,
   newtxmath,
   figure,
   fig,
   image,
   img,
   table,
   itemize,
   enumerate,
   newtxtext,
   newtxtt,
   ctex,
   microtype,
   description,
   times,
   newtx,
   booktabs,
   tabular,
   PDFLaTeX,
   XeLaTeX,
   type1cm,
   BibTeX,
   device,
   color,
   mode,
   chinesefont,
   cite,
   bibstyle,
   math,
   lang,
   amsthm},
 emphstyle={\color{frenchplum}},
 morekeywords={%
   DeclareSymbolFont,
   setCJKfamilyfont,
   SetSymbolFont,
   toprule,
   midrule,
   bottomrule,
   institute,
   version,
   includegraphics,
   setmainfont,
   setsansfont,
   setmonofont ,
   setCJKmainfont,
   setCJKsansfont,
   setCJKmonofont,
   RequirePackage,
   figref,
   pagecolor,
   definecolor,
   tabref,
   email,
   maketitle,
   keywords},
 frame=none,
 tabsize=2}

\addbibresource[location=local]{reference.bib}

% restore the tt default family to lmodern tt family
\renewcommand\ttdefault{lmtt}

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