%% tstextbook.cls
%% Copyright 2016 Typesetters.se
%
% This work may be distributed and/or modified under the
% conditions of the LaTeX Project Public License, either version 1.3
% of this license or (at your option) any later version.
% The latest version of this license is in
%   http://www.latex-project.org/lppl.txt
% and version 1.3 or later is part of all distributions of LaTeX
% version 2005/12/01 or later.
%
% This is a free LaTeX text book template from Typesetters.se.
% See tstextbook.tex for an example of how to use this class.

\NeedsTeXFormat{LaTeX2e}
\ProvidesClass{tstextbook}[2017/02/19 Free LaTeX text book template from Typesetters.se]
\LoadClass[11pt,onecolumn,titlepage,twoside,openany]{book}

% Language
%--------------------------------------------------------------------------
%\RequirePackage[swedish]{babel}
\RequirePackage[utf8]{inputenc}

% Geometry
%--------------------------------------------------------------------------
\RequirePackage[a4paper,top=2.5cm,bottom=2.5cm,left=3cm,right=3cm,
                marginparwidth=1.1cm,marginparsep=2mm]{geometry}

% Fonts
%--------------------------------------------------------------------------
%\RequirePackage{kpfonts}

% Colors
%--------------------------------------------------------------------------
\RequirePackage{xcolor}
\definecolor{tssteelblue}{RGB}{70,130,180}
\definecolor{darkblue}{RGB}{0,0,139}
\definecolor{tsorange}{RGB}{255,138,88}
\definecolor{tsblue}{RGB}{23,74,117}
\definecolor{tsforestgreen}{RGB}{21,122,81}
\definecolor{tsyellow}{RGB}{255,185,88}
\definecolor{tsgrey}{RGB}{200,200,200}

% Graphics
%--------------------------------------------------------------------------
\RequirePackage{graphicx}
\graphicspath{{images/}}
\RequirePackage{tikz}
\RequirePackage[pages=some]{background}
% \backgroundsetup{scale=1,color=black,opacity=1.0,angle=0,
% contents={\includegraphics[width=\paperwidth,height=\paperheight]{cover}}}

% Header and footer styling
%--------------------------------------------------------------------------
\RequirePackage{fancyhdr}
\setlength{\headheight}{15.0pt}
\fancyhf{}
\fancyhead[LE,RO]{\bfseries\thepage}
\fancyhead[RE]{\it\sf\nouppercase{\rightmark}}
\fancyhead[LO]{\it\sf\nouppercase{\leftmark}}
% \renewcommand{\headrulewidth}{0pt}
% \renewcommand{\footrulewidth}{0pt}

% Section styling
%--------------------------------------------------------------------------
\RequirePackage{sectsty}
\sectionfont{\sf\color{tssteelblue}\sectionrule{0ex}{0pt}{-1ex}{1pt}}

% Chapter styling
%--------------------------------------------------------------------------
\makeatletter

% Numbered chapters (with minitoc)
\renewcommand{\@makechapterhead}[1]{
  \begin{tikzpicture}[remember picture,overlay]
    \node at (current page.north west)
  {
    \begin{tikzpicture}[remember picture,overlay]
      % Background image
      \node[anchor=north west,inner sep=0pt] at (0,0)
           {\includegraphics[width=\paperwidth]{cover1.jpg}};
      % Chapter heading
      \draw[anchor=west, inner sep=0pt] (-0.1cm,-1.5cm) node
           [black,
            ultra thick,
            fill=tsorange!10,
            fill opacity=.6,
            inner sep=10pt]
           (0,0)
           {\parbox[t][1.6cm][t]{\paperwidth}
           {\huge\bfseries\sffamily\flushleft\thechapter. #1}};
      % Chapter contents
      \draw[anchor=west,inner sep=0pt] (8.8cm,-9cm) node
           [tssteelblue,
            ultra thick,
            fill=white,
            fill opacity=.8,
            draw=tssteelblue,
            draw opacity=1,
            line width=1.5pt,
            rounded corners,
            inner sep=0pt]
           (0,0)
           {\hspace{1cm}\parbox[t][11cm][t]{9cm}
           {\vspace{-1cm}\huge\bfseries\sffamily\flushleft
            \textcolor{black}{\sffamily\minitoc}}};
    \end{tikzpicture}
  };
\end{tikzpicture}
\vspace{15cm}
}

% Unnumbered chapters (without minitoc)
\renewcommand{\@makeschapterhead}[1]{
  \begin{tikzpicture}[remember picture,overlay]
    \node at (current page.north west)
  {
    \begin{tikzpicture}[remember picture,overlay]
      % Background image
      \node[anchor=north west,inner sep=0pt] at (0,0)
           {\includegraphics[width=\paperwidth]{background}};
      % Chapter heading
      \draw[anchor=west,inner sep=0pt] (-0.1cm,-1.5cm) node
           [black,
            ultra thick,
            fill=tsorange!10,
            fill opacity=.6,
            inner sep=10pt]
           (0,0)
           {\parbox[t][1.6cm][t]{\paperwidth}
           {\huge\bfseries\sffamily\flushleft #1}};
    \end{tikzpicture}
  };
\end{tikzpicture}
\vspace{10cm}
}

% Minitoc styling
%--------------------------------------------------------------------------
\RequirePackage{minitoc}
\setcounter{minitocdepth}{2}
\dominitoc[n]
\nomtcrule
\nomtcpagenumbers
\renewcommand{\mtifont}{\large}
\renewcommand{\mtcfont}{\small}
\renewcommand{\mtcSfont}{\small}
\renewcommand{\mtcSSfont}{\small}
\renewcommand{\mtcSSSfont}{\small}
% \renewcommand{\mtifont}{\large\sffamily}
% \renewcommand{\mtcfont}{\small\sffamily}
% \renewcommand{\mtcSfont}{\small\sffamily}
% \renewcommand{\mtcSSfont}{\small\sffamily}
% \renewcommand{\mtcSSSfont}{\small\sffamily}

% Table of contents styling
%--------------------------------------------------------------------------
\RequirePackage{titletoc}
\setcounter{tocdepth}{2}

\titlecontents{chapter}[0cm]
{\addvspace{14pt}\large\bfseries}
{\color{tssteelblue}\contentslabel[\Large\thecontentslabel]{1.25cm}}{}
{\color{tssteelblue}\normalsize\bfseries
 \;\titlerule*[.5pc]{.}\;\thecontentspage}

\titlecontents{section}[0cm]
{\addvspace{6pt}\bfseries}
{\contentslabel[\thecontentslabel]{1.25cm}}{}
{\hfill\color{black}\thecontentspage}[]

\titlecontents{subsection}[1cm]
{\addvspace{3pt}}
{\contentslabel[\thecontentslabel]{1cm}}{}
{\hfill\color{gray}\thecontentspage}[]

% \titlecontents{chapter}[0cm]
% {\addvspace{14pt}\large\sffamily\bfseries}
% {\color{tssteelblue}\contentslabel[\Large\thecontentslabel]{1.25cm}}{}
% {\color{tssteelblue}\normalsize\sffamily\bfseries
%  \;\titlerule*[.5pc]{.}\;\thecontentspage}

% \titlecontents{section}[0cm]
% {\addvspace{6pt}\sffamily\bfseries}
% {\contentslabel[\thecontentslabel]{1.25cm}}{}
% {\sffamily\hfill\color{black}\thecontentspage}[]

% Front matter
%--------------------------------------------------------------------------
\newcommand{\tsbook}[9]{

\pagestyle{empty}

\def\@tstitle{#1}
\def\@tsauthor{#2}
\def\@tscoverdesign{#3}
\def\@tsyear{#4}
\def\@tsartno{#5}
\def\@tsisbn{#6}
\def\@tsedition{#7}
\def\@tspublished{#8}
\def\@tsprinted{#9}

% Title page
\BgThispage
\begin{titlepage}
\begin{tikzpicture}[remember picture,overlay]
% 全页面背景图片
\node[anchor=center, inner sep=0]
    at (current page.center)
    {\includegraphics[width=\paperwidth, height=\paperheight]{cover-2}};%封面图片

% 半透明覆盖层（增强文字可读性）
% \fill[black, opacity=0.1] (current page.south west) rectangle (current page.north east);

% 标题块
\node[rectangle,
      fill=RoyalBlue!, % 提高不透明度以在背景上更清晰
      fill opacity=0.4,
      minimum width=\paperwidth,
      minimum height=8cm,
      rounded corners=0pt] % 可选：圆角
      at (current page.center) (bg) {};

\node[text=white,
      align=center,
      anchor=center]
      at (bg.center)
      {\Huge\bfseries\sffamily\textsc{\@tstitle}\\[30pt]
       \huge\textsc{\@tsauthor}\\[30pt]
       %\large\textsc{\@tspublished}
       \LARGE\today};
\end{tikzpicture}
\end{titlepage}
% \begin{center}
%   \null
%   \smallskip

%   \color{white}
%   \sffamily

%   \Huge
%   \textsc{\@tstitle}

%   \bigskip
%   \smallskip

%   \LARGE
%   \textsc{\@tsauthor} \\[1em]
%   \Large
%   \textsc{\@tspublished}
% \end{center}

\pagebreak

% Copyright page
% \null
% \vfill
\begin{center}
\includegraphics[width=0.7\paperwidth]{copyright.jpg}
\end{center}
\vspace{1cm}
\begin{flushleft}
  Copyright \copyright \ \@tsyear \ \@tsauthor \\
  \vspace{5mm}
  \textbf{Copying prohibited} \\
  \vspace{5mm}
  All rights reserved. No part of this publication may be reproduced
  or transmitted in any form or by any means, electronic or
  mechanical, including photocopying and recording, or by any
  information storage or retrieval system, without the prior written
  permission of the publisher. \\
  \vspace{5mm}
  Art. No \@tsartno \\
  ISBN \@tsisbn \\
  Edition \@tsedition \\
  \vspace{5mm}
  Cover design by \@tscoverdesign \\
  \vspace{5mm}
  Published by \@tspublished \\
  Printed in \@tsprinted \\
  \vspace{5mm}
  If you have any queotions, please send email to \textit{nkuSherr1@nankai.edu.cn}
\end{flushleft}

% Table of contents
\tableofcontents

\cleardoublepage
\pagestyle{fancy}
\thispagestyle{empty}
}

% % Boxes for theorems
% %--------------------------------------------------------------------------
% \newenvironment{boxtheorem}
% {\begin{tcolorbox}
% [enhanced jigsaw,breakable,pad at break*=1mm,
%  colback=black!5,colframe=tsorange]}
% {\end{tcolorbox}}

% \newenvironment{boxdefinition}
% {\begin{tcolorbox}
% [enhanced jigsaw,breakable,pad at break*=1mm,
%  colback=yellow!10!white,boxrule=0pt,frame hidden,
%  borderline west={1.5mm}{-2mm}{tsforestgreen}]}
% {\end{tcolorbox}}

% \newenvironment{boxexercise}
% {\begin{tcolorbox}
% [enhanced jigsaw,breakable,pad at break*=1mm,
%  colback=tsyellow!20,boxrule=0pt,frame hidden]}
% {\end{tcolorbox}}

% \newenvironment{boxproblem}
% {\begin{tcolorbox}
% [enhanced jigsaw,breakable,pad at break*=1mm,
%  colback=tsorange!25,boxrule=0pt,frame hidden]}
% {\end{tcolorbox}}

% \newenvironment{boxprogramming}
% {\begin{tcolorbox}
% [enhanced jigsaw,breakable,pad at break*=1mm,
%  colback=tsblue!10,boxrule=0pt,frame hidden]}
% {\end{tcolorbox}}

% \newenvironment{boxexample}
% {\begin{tcolorbox}
% [enhanced jigsaw,breakable,pad at break*=1mm,
%  colback=tsgrey!20,boxrule=0pt,frame hidden]}
% {\end{tcolorbox}}

% % Styling of theorems
% %--------------------------------------------------------------------------
% \RequirePackage{amsthm}

% \newtheoremstyle{styletheorem}
% {0pt}{0pt}{\normalfont}{0pt}{\small\bf\sffamily\color{tsorange}}{\;}{0.25em}
% {\small\sffamily\color{tsorange}\thmname{#1}
%  \nobreakspace\thmnumber{\@ifnotempty{#1}{}\@upn{#2}}
%  \thmnote{\nobreakspace\the\thm@notefont\sffamily\bfseries\color{black} (#3)}}

% \newtheoremstyle{styledefinition}
% {0pt}{0pt}{\normalfont}{0pt}{\small\bf\sffamily\color{black}}{\;}{0.25em}
% {\small\sffamily\color{tsforestgreen}\thmname{#1}
%  \nobreakspace\thmnumber{\@ifnotempty{#1}{}\@upn{#2}}
%  \thmnote{\nobreakspace\the\thm@notefont\sffamily\bfseries\color{black} (#3)}}

% \newtheoremstyle{styleexercise}
% {0pt}{0pt}{\normalfont}{0pt}{\small\bf\sffamily\color{black}}{\;}{0.25em}
% {\small\sffamily\color{black}\thmname{#1}
%  \nobreakspace\thmnumber{\@ifnotempty{#1}{}\@upn{#2}}
%  \thmnote{\nobreakspace\the\thm@notefont\sffamily\bfseries\color{black} (#3)}}

% \theoremstyle{styledefinition}
% \newtheorem{envdefinition}{Definition}[chapter]
% \theoremstyle{styletheorem}
% \newtheorem{envtheorem}{Theorem}[chapter]
% \newtheorem{envlemma}{Lemma}[chapter]
% \theoremstyle{styleexercise}
% \newtheorem{envexercise}{Exercise}[chapter]
% \newtheorem{envproblem}{Problem}[chapter]
% \newtheorem{envprogramming}{Computer exercise}[chapter]
% \newtheorem{envexample}{Exempel}[chapter]

% % Environments for theorems
% %--------------------------------------------------------------------------
% \newenvironment{definition}
%                {\begin{boxdefinition}\begin{envdefinition}}
%                {\end{envdefinition}\end{boxdefinition}}

% \newenvironment{theorem}
%                {\begin{boxtheorem}\begin{envtheorem}}
%                {\end{envtheorem}\end{boxtheorem}}

% \newenvironment{corollary}
%                {\begin{boxtheorem}\begin{envtheorem}}
%                {\end{envtheorem}\end{boxtheorem}}

% \newenvironment{lemma}
%                {\begin{boxtheorem}\begin{envlemma}}
%                {\end{envlemma}\end{boxtheorem}}

% \newenvironment{exercise}
%                {\begin{boxexercise}\begin{envexercise}}
%                {\end{envexercise}\end{boxexercise}}

% \newenvironment{problem}
%                {\begin{boxproblem}\begin{envproblem}}
%                {\end{envproblem}\end{boxproblem}}

% \newenvironment{programming}
%                {\begin{boxprogramming}\begin{envprogramming}}
%                {\end{envprogramming}\end{boxprogramming}}

% \newenvironment{example}
%                {\begin{boxexample}\begin{envexample}}
%                {\end{envexample}\end{boxexample}}

% Other environments
%--------------------------------------------------------------------------
\newenvironment{summary}
{\hspace{10pt}\par\small\it
 \begin{list}{}{\leftmargin=35pt\rightmargin=25pt}
 \item\ignorespaces\advance\baselineskip -1pt}
{\end{list}\vspace{-0.5cm}}

% \newenvironment{remark}
% {\vspace{0.5cm}\noindent\small\it
%  \marginpar{\vspace{-3mm}\includegraphics[width=1.0cm]{idea}}}
% {\vspace{0.5cm}}

% Bibliography
%--------------------------------------------------------------------------
\RequirePackage[backend=biber]{biblatex}
\addbibresource{bibliography.bib}

% Index
%--------------------------------------------------------------------------
\RequirePackage{makeidx}
\makeindex

% Packages for mathematics and algorithms
%--------------------------------------------------------------------------
\RequirePackage{algorithm}
\RequirePackage{algpseudocode}
\RequirePackage{xfrac}
\RequirePackage{mathtools}
\RequirePackage{wasysym}
\RequirePackage{siunitx}
\newcommand\bmmax{2}
\RequirePackage{bm}

% Other useful packages
%--------------------------------------------------------------------------
\RequirePackage{blindtext}
\RequirePackage[most]{tcolorbox}
\RequirePackage{booktabs}
\RequirePackage{url}