cover.tex

\usepackage{tikz}
\usepackage[absolute,overlay]{textpos}
% uncomment to see grid system
% \usepackage[texcoord,grid,gridcolor=red!10,subgridcolor=green!10,gridunit=cm]{eso-pic}

\usepackage{shadowtext}
\shadowcolor{black}
\shadowoffset{1pt}

\newcommand{\cover}{
\begin{tikzpicture}[remember picture,overlay]
\path [top color = yellow, bottom color = Orange] (current page.south west) rectangle (current page.north east);
\end{tikzpicture}

\thispagestyle{empty}
\pagenumbering{gobble}
% \chapter*{}
\bigskip
\begin{center}
  \color{white}
  \textbf{\fontsize{36}{48}\selectfont\shadowtext{技术图书排版}}
  \\[2em]
  \Oldincludegraphics[width=0.5\paperwidth]{img/wenji.png}
  \\[2em]
  \textbf{\large \theauthors \quad 著\\[2em]}
\end{center}

\begin{textblock*}{4cm}[0.5,0.5](0.5\paperwidth, 14cm)
\small
\begin{center}
\color{white}
\textbf{小樱桃出品}
\end{center}
\end{textblock*}

\bigskip
\vfill
\begin{adjustwidth}{-2.3mm}{}
\mbox{\vbox{
\color{yellow}
\small
\noindent{INVITE sip:you@xswitch.cn SIP/2.0\newline
Via: SIP/2.0/TLS xswitch.cn:5060;branch=z9hG4bK74bf9\newline
Max-Forwards: 70\newline
From: {\color{yellow!60!white}\Oldtexttt{"}Seven Du\Oldtexttt{"}} <sip:seven@xswitch.cn>;tag=9fxced76sl\newline
To: You <sip:you@xswitch.cn>\newline
Call-ID: 3848276298220188511@xswitch.cn\newline
CSeq: 2 INVITE\newline
Contact: <sip:seven@xswitch.cn;transport=tls>
}}}
\end{adjustwidth}
}