% *snippet of thesis 

\documentclass[12pt]{article} % \documentclass{} is the first command in any LaTeX code.  It is used to define what kind of document you are creating such as an article or a book, and begins the document preamble

%\documentclass{beamer} changes page style/marging for beamer supports multimedia, wont work with article class
% lib for media 
%\usepackage{multimedia}

\usepackage{amsmath} % \usepackage is a command that allows you to add functionality to your LaTeX code
% https://tex.stackexchange.com/questions/17611/how-does-one-type-chinese-in-latex
% sudo apt install texlive-full
% \usepackage{ctex} % 这里调用　ctex 包
\usepackage[UTF8]{ctex}% for Chinese, but not necessary for Pinyin
\usepackage{xeCJK}
\usepackage{xpinyin}

\usepackage{fontspec}
\usepackage{newunicodechar}

% \usepackage{indentfirst} % set indent 

% lib to adjust spacing of list
\usepackage{enumitem}

% lib for the images
\usepackage{tikz}
\usetikzlibrary{shapes,calc,positioning,arrows,chains,automata,positioning}
% used for the for loops
\usetikzlibrary{automata,positioning}

% use a font that displays pinyin well, default(ubuntu light?) fails on ā ǎ
% -> sudo apt install fonts-cmu
\setmainfont{CMU Serif}

% more symbolic colors 
% https://www.overleaf.com/learn/latex/Using_colours_in_LaTeX
% option clash, already available through shapes package? \usepackage[dvipsnames]{xcolor}

% Custom colors example
\definecolor{GrayResourcer0}{HTML}{747474}
\definecolor{GrayDotline0}{HTML}{f3f3f3}
\definecolor{GreenDraw0}{HTML}{91ff85}

% change background to dark
% Use afterpage command to change background color on single pages
\usepackage{pagecolor}% With option pagecolor={somecolor or none}
% V this can be used without package above, that is only to get single pages changed, note pagecolor must be loaded first, or result is all white pages.
\definecolor{backgroud1}{HTML}{13191c}
\pagecolor{backgroud1}
\color{white}

\usepackage{afterpage}

\usepackage{makeidx}
\usepackage{hyperref}
\usepackage{amssymb} % for \longrightarrow
\usepackage[T1]{fontenc} % for \symbol{92}

\newpage

% The preamble ends with the command \begin{document}
\begin{document} % All begin commands must be paired with an end command somewhere
				
	\newpagecolor{white}\afterpage{\restorepagecolor}
	\section{Practice writing sheet}
	\noindent
	\newcommand{\drawSize}{0.5cm}
	\newcommand{\gridSize}{0.5cm}	
	\newcommand{\ChineseCharBox}{\foreach \i in {1,..., 11} {
		\begin{tikzpicture}
		% Rectangle
		\draw[GrayDotline0] (-\drawSize,-\drawSize) -- (\drawSize,-\drawSize) -- (\drawSize,\drawSize) -- (-\drawSize,\drawSize) -- cycle;
		
		\draw[step=0.25,line width=0.05mm,dotted,GrayDotline0] (-\drawSize,-\drawSize) grid (\gridSize,\gridSize);
		
		% Horizontal line |
		\draw[-,GrayDotline0] (-\drawSize,0cm) -- (\drawSize,0cm);
		
		% Vertical line -
		\draw[-,GrayDotline0] (0,-\drawSize) -- (0,\drawSize);
	
		% Diagornal line \
		\draw[-,GrayDotline0] (\drawSize,-\drawSize) -- (-\drawSize,\drawSize);
		
		% Diagornal line /
		\draw[-,GrayDotline0] (-\drawSize,-\drawSize) -- (\drawSize,\drawSize);	
		\end{tikzpicture}
 	}}
 	\noindent\\
 	\ChineseCharBox
 	\ChineseCharBox
 	\ChineseCharBox
 	\ChineseCharBox
	\ChineseCharBox
	\ChineseCharBox
	\ChineseCharBox
	\ChineseCharBox
	\ChineseCharBox
	\ChineseCharBox
	\ChineseCharBox
	\ChineseCharBox
	\ChineseCharBox
	\ChineseCharBox

	\newpage
			
\end{document} % This is the end of the document