cover.tex

\documentclass{bookcover}

% Loading the glossaries-extra packages won't work here, so LaTeX
% won't understand the .aux file section headers which have \gls
% commands. We resolve this with a little white lie.
\newcommand\glsentrylongpl{}
\newcommand\Glsentrytext[1]{\MakeUppercase#1}
\newcommand\glsentrytext[1]{\MakeUppercase#1}
\newcommand\Glsfmtplural[1]{\MakeUppercase#1s}
\newcommand\Glsfmtlongpl[1]{\MakeUppercase#1s}
\newcommand\Gls[1]{\MakeUppercase#1}
\newcommand\Glsfmttext[1]{\MakeUppercase#1}
\newcommand\gls{}
\newcommand\glspl{}
\newcommand\Glspl{}
\newcommand\spellName{}

\RequirePackage{xr-hyper}
\RequirePackage{hyperref}
\RequirePackage{adforn}
\RequirePackage[copies]{contour}
\contourlength{3pt}

\input{images/extracted/inclusion.tex}

\newcommand\showChap[1]{\pageref{#1}: \nameref{#1}}
\newcounter{titleHeight}
\setcounter{titleHeight}{0}

\newcommand\placeTitle{%
  \node at (8,\value{titleHeight}+1) {\includegraphics[width=4cm]{svg-inkscape/logo_svg-tex.pdf}};
  \node[fill=white,fill opacity=0.1,text opacity=1, rounded corners=9pt] at (8,\value{titleHeight}-0.5) {\Huge \bookTitle};
}

\newcommand\placeChap[2]{%
  \node[fill=white,fill opacity=0.5,text opacity=1, rounded corners=9pt] at (#1) {\pageref{#2}: \nameref{#2}};
}

\newcommand\backBlurb[1]{
  This book has many words, most of which you can read.
  These words you should not read, as someone should have replaced them with proper words long ago.
  However, it is evident that you are reading them, and not only evidence, but as true as Descartes' famous \textit{cogito ergo sum}.
  In short, the statement is the axiom which it asserts.
}

\newcounter{adf}
\setcounter{adf}{\month}
\addtocounter{adf}{15}

\newif\ifruler
\rulertrue

\newcommand\bookChapters{}

% This inputs the cover in the project.
% It should look like this:
% \renewcommand\bookTitle{Title}
% \renewcommand\backBlurb{Overview}
% \renewcommand\bookChapters{
%   \placeChap{15,7.3}{cosmology}
% }
% \setbookcover{coverwidth=25cm}
% \setbookcover{markcolor=black}
% \setbookcover{coverheight=20cm}
% \setbookcover{spinewidth=25mm}
% \setbookcover{flapwidth=0cm}
% \setbookcover{wrapwidth=5mm}
% \rulerfalse

\input{cover.tex}

\begin{document}

\begin{bookcover}
\bookcovercomponent{picture}{bg whole}{images/\cover}

\ifruler
  \bookcovercomponent{ruler}{front}[,1cm,2cm,]{,lowerright,gray}
\fi

\begin{bookcoverelement}{normal}{front}[,,,0.4\partheight]
\bfseries

\begin{tikzpicture}[overlay, anchor = north]
  \placeTitle
  \bookChapters
\end{tikzpicture}

\end{bookcoverelement}

\bookcovercomponent{center}{spine}{
\rotatebox[origin=c]{-90}{\bfseries\Large\adforn{\value{adf}}~\bookTitle~\addtocounter{adf}{28}\adforn{\value{adf}}}}

\begin{bookcoverelement}{normal}{back}[2cm,2cm,2cm,2cm]
  \backBlurb
\end{bookcoverelement}

\end{bookcover}

\end{document}