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bookcover.dtx
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bookcover.dtx
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% \iffalse meta-comment
%
% Copyright (C) 2015- by Tibor Tomacs
%
% This file may be distributed and/or modified under the
% conditions of the LaTeX Project Public License, either version 1.2
% 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 1.2 or later is part of all distributions of LaTeX
% version 1999/12/01 or later.
%
% \fi
%
% \iffalse
%<*driver>
\ProvidesFile{bookcover.dtx}
\newcommand{\eifiledate}{2018/01/21}
\newcommand{\eifilever}{v2.3}
%</driver>
%<class>\NeedsTeXFormat{LaTeX2e}[1999/12/01]
%<class>\ProvidesClass{bookcover}[2018/01/21 v2.3 class for book covers and dust jackets]
%
%<*driver>
\documentclass{ltxdoc}
\OnlyDescription
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage[paperwidth=210mm,paperheight=295mm,textwidth=160mm,top=25mm,bottom=25mm,outer=25mm]{geometry}
\usepackage[unicode,pdfstartview=FitH,bookmarksnumbered,colorlinks,allcolors=teal]{hyperref}
\usepackage[english]{babel}
\usepackage{xcolor,graphicx,listings,calc,multirow,array,pdfpages}
\colorlet{command}{blue!80!black}
\colorlet{example}{black}
\colorlet{layer}{purple}
\colorlet{param}{green!50!black}
\lstnewenvironment{examplelst}{\lstset{
gobble=2,
belowskip=5mm,
basicstyle=\color{example}\small\ttfamily,
backgroundcolor=\color{black!10},
columns=fullflexible,
keepspaces}}{}
\lstnewenvironment{commandlst}{\lstset{
literate={<}{{$\langle$}}1{>}{{$\rangle$}}1,
delim=[is][\color{param}\normalfont\itshape\small]{!}{!},
gobble=2,
basicstyle=\color{command}\ttfamily,
backgroundcolor=\color{white},
columns=fullflexible,
keepspaces}}{}
\lstdefinestyle{examplefile}{
literate={ü}{{\"u}}1{ó}{{\'o}}1{é}{{\'e}}1{á}{{\'a}}1{Á}{{\'A}}1,
belowskip=5mm,
basicstyle=\color{example}\small\ttfamily,
backgroundcolor=\color{black!10},
columns=fullflexible,
keepspaces,
comment=[l][\ttfamily\color{black!50}]{\%}}
\newcommand{\commandinline}{\lstinline[
literate={<}{{$\langle$}}1{>}{{$\rangle$}}1,
delim={[is][\color{param}\normalfont\itshape\small]{!}{!}},
basicstyle=\color{command}\ttfamily,
columns=fullflexible,
keepspaces]}
\flushbottom
\def\meta#1{{\color{param}\normalfont\itshape\small$\langle$#1$\rangle$}}
\def\example{\colorbox{command}{\footnotesize\sffamily\bfseries\color{white}EXAMPLE}}
\def\BookCover{{\def\sfdefault{ugq}\sffamily\bfseries
\color{gray}\mbox{}\lower.15ex\hbox{[B}ook%
\color{orange}\lower.15ex\hbox{C}over\lower.15ex\hbox{]}}}
\begin{document}
\DocInput{./bookcover.dtx}
\end{document}
%</driver>
% \fi
%
% \CharacterTable
% {Upper-case \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
% Lower-case \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
% Digits \0\1\2\3\4\5\6\7\8\9
% Exclamation \! Double quote \" Hash (number) \#
% Dollar \$ Percent \% Ampersand \&
% Acute accent \' Left paren \( Right paren \)
% Asterisk \* Plus \+ Comma \,
% Minus \- Point \. Solidus \/
% Colon \: Semicolon \; Less than \<
% Equals \= Greater than \> Question mark \?
% Commercial at \@ Left bracket \[ Backslash \\
% Right bracket \] Circumflex \^ Underscore \_
% Grave accent \` Left brace \{ Vertical bar \|
% Right brace \} Tilde \~}
%
% \GetFileInfo{bookcover.cls}
%
% \title{{\Huge\BookCover\\[5mm]}
% Class for book covers and dust jackets\\[2mm]
% \textsf{bookcover.cls}\\
% {\large\eifilever\ (\eifiledate)}}
% \author{Tibor Tómács\\{\normalsize\href{mailto:[email protected]}{\texttt{[email protected]}}}}
% \date{}
% \maketitle
%
% \section{Introduction}
% In the following picture we can see a typical dust jacket. Its parts are back flap, back, spine, front and front flap.
% Typographically, a book cover is a dust jacket without flaps, the only difference is that the book cover is a fixed part of the book, whereas the dust jacket is removable.
% \begin{center}
% \includegraphics{figures/cover}
% \end{center}
% When we prepare a cover for printing, some marks are needed to know where to trim or fold the paper. These marks determine a special area of the sheet, which is called ``bleed'' (see the green area in the next figure). The background will be expanded onto the bleed, taking account of slight inaccuracy when trimming.
% \begin{center}
% \includegraphics{figures/coverscheme}
% \end{center}
% We get the following result after trimming:
% \begin{center}
% \includegraphics{figures/result}
% \end{center}
%
% \section{Loading class}
% The class \texttt{bookcover} requires the services of the class \texttt{article} and the following packages:
% \texttt{kvoptions}, \texttt{textpos}, \texttt{geometry}, \texttt{graphicx}, \texttt{calc}, \texttt{ifthen}, \texttt{tikz}, \texttt{fgruler}.
%
% \medskip\noindent
% Load the class as usual, with
% \begin{commandlst}
% \documentclass[!<options>!]{bookcover}
% \end{commandlst}
%
% \begin{center}
% \begin{tabular}{@{}l@{}l@{\hspace{-13mm}}r@{}}
% \textbf{option} & \textbf{description} & \textbf{default value}\\
% \hline
% \commandinline|coverwidth=!<length>!| & \multirow{6}*{\hspace{-1mm}$\left.\hbox{\rule[-11mm]{0pt}{22mm}}\right\}$ See the next figure}& \texttt{170mm}\\
% \commandinline|coverheight=!<length>!| & & \texttt{240mm}\\
% \commandinline|spinewidth=!<length>!| & & \texttt{5mm}\\
% \commandinline|flapwidth=!<length>!| & & \texttt{0mm}\\
% \commandinline|marklength=!<length>!| & & \texttt{10mm}\\
% \commandinline|bleedwidth=!<length>!| & & \texttt{5mm}\\
% \commandinline|markthick=!<length>!| & Thickness of marks & \texttt{0.4pt}\\
% \commandinline|markcolor=!<color>!| & Color of marks & \texttt{red}\\
% \commandinline|10pt| & \multirow{3}*{\hspace{-1mm}$\left.\hbox{\rule[-4mm]{0pt}{8mm}}\right\}$ Normal font size (default: \texttt{10pt})}&\\
% \commandinline|11pt| & &\\
% \commandinline|12pt| & &\\
% \commandinline|trimmed| & It shows trimmed version&\texttt{false}\\
% \hline
% \end{tabular}
% \end{center}
% \begin{center}
% \includegraphics{figures/sizes}
% \end{center}
%
% \noindent\example
% \begin{examplelst}
% \documentclass[flapwidth=50mm,spinewidth=15mm]{bookcover}
% \end{examplelst}
%
% \section{Creating book cover}\label{sec:mainmethod}
% \subsection{Commands}
% Use \commandinline{bookcover} environment to make a new book cover. In this environment, you can create a component of the book cover by the following command:
% \begin{commandlst}
% \bookcovercomponent{!<component type>!}{!<part>!}{!<content>!}
% \end{commandlst}
% \meta{component type} See Subsection \ref{subsec:componenttypes}.
%
% \medskip\noindent
% \meta{part} See Subsection \ref{subsec:parts-main-method} or Section~\ref{sec:illustration-parts}.
%
% \medskip\noindent
% \meta{content} It depends on the \meta{component type}. See Subsection \ref{subsec:componenttypes}.
%
% \medskip\noindent
% Every |\bookcovercomponent| generates a layer on the sheet. The first one generates the bottom layer and the last one generates the top layer.
%
% \bigskip\noindent\example
% \begin{examplelst}
% \begin{bookcover}
% \bookcovercomponent{color}{bg whole}{color=blue}
% \bookcovercomponent{normal}{front}{
% \vspace{5cm}
% \begin{center}
% \bfseries\huge Book title
% \end{center}}
% \end{bookcover}
% \end{examplelst}
%
% \subsection{Parts}\label{subsec:parts-main-method}
% Important: The background parts are expanded onto the bleed, taking account of slight inaccuracy when trimming!
% \subsubsection{One-piece background parts}
% \commandinline{bg back flap}, \commandinline{bg back}, \commandinline{bg spine}, \commandinline{bg front}, \commandinline{bg front flap}
%
% \begin{center}
% \textbf{With flaps}\\*[0pt]
% \includegraphics{figures/bg1}
% \end{center}
% \begin{center}
% \textbf{Without flaps}\\*[0pt]
% \includegraphics{figures/bg4}
% \end{center}
%
% \subsubsection{One-piece foreground parts}
% \commandinline{back flap}, \commandinline{back}, \commandinline{spine}, \commandinline{front}, \commandinline{front flap}, \commandinline{above back}, \commandinline{above front}, \commandinline{below back}, \commandinline{below front}
%
% \begin{center}
% \textbf{With flaps}\\*[0pt]
% \includegraphics{figures/foreground1}
% \end{center}
% \begin{center}
% \textbf{Without flaps}\\*[0pt]
% \includegraphics{figures/foreground2}
% \end{center}
%
% \subsubsection{Combined parts}
% The following combined parts are defined. You can see illustrations in the Section~\ref{sec:illustration-parts}.
% \begin{center}
% \begin{tabular}{@{}>{\color{command}\ttfamily}l@{\hspace{1cm}}>{\color{command}\ttfamily}l@{}}
% {\rmfamily\bfseries\textcolor{black}{background}}&{\rmfamily\bfseries\textcolor{black}{foreground}}\\
% \hline
% bg back and flap & back and flap\\
% bg back and spine & back and spine\\
% bg front and spine & front and spine\\
% bg front and flap & front and flap\\
% bg back and flap and spine & back and flap and spine\\
% bg front and flap and spine & front and flap and spine\\
% bg whole without front flap & whole without front flap\\
% bg whole without back flap & whole without back flap\\
% bg whole without flaps & whole without flaps\\
% bg whole & whole\\
% whole page &
% \end{tabular}
% \end{center}
%
% \subsection{Component types}\label{subsec:componenttypes}
% The following component types are defined: \commandinline{color}, \commandinline{picture}, \commandinline{tikz}, \commandinline{tikz clip}, \commandinline{normal}, \commandinline{center}, \commandinline{ruler}.
% \subsubsection[color]{Component type: \texttt{color}}
% \begin{commandlst}
% \bookcovercomponent{color}{!<part>!}{!<colors>!}
% \end{commandlst}
% It determines the color of the part.
%
% \medskip\noindent
% \meta{colors} The options of the |\fill| in the \texttt{tikz} package:\label{page:color}\\
% \indent\commandinline{color=!<color name>!} See \meta{color name} in the \texttt{xcolor} package.\\
% \indent\commandinline{top color=!<color name>!}\\
% \indent\commandinline{bottom color=!<color name>!}\\
% \indent\commandinline{middle color=!<color name>!}\\
% \indent\commandinline{inner color=!<color name>!}\\
% \indent\commandinline{outer color=!<color name>!}\\
% \indent\commandinline{ball color=!<color name>!}\\
% \indent\commandinline{shading angle=!<degree>!} It rotates the shading by the given angle.
%
% \pagebreak\bigskip\noindent\example
% \begin{examplelst}
% \begin{bookcover}
% \bookcovercomponent{color}{bg whole without flaps}{
% top color=white, bottom color=blue!50!black, shading angle=60}
% \end{bookcover}
% \end{examplelst}
%
% \subsubsection[picture]{Component type: \texttt{picture}}
% \begin{commandlst}
% \bookcovercomponent{picture}{!<part>!}{!<picture file>!}
% \end{commandlst}
% The picture will be rescaled according to the sizes of the \meta{part}.
%
% \bigskip\noindent\example
% \begin{examplelst}
% \begin{bookcover}
% \bookcovercomponent{picture}{bg front flap}{fig.png}
% \end{bookcover}
% \end{examplelst}
%
% \subsubsection[tikz]{Component type: \texttt{tikz}}
% \begin{commandlst}
% \bookcovercomponent{tikz}{!<part>!}{!<tikz code>!}
% \end{commandlst}
% The origin of the Ti\emph{k}Z figure is the lower left corner of the \meta{part}. Two rectangle nodes come into being: \commandinline{part} and \commandinline{trimmed part}. (Thank Zunbeltz Izaola for the idea.)
%
% \bigskip\noindent\example
% \begin{examplelst}
% \begin{bookcover}
% \bookcovercomponent{tikz}{bg whole}{
% \fill[yellow] (part.south west) rectangle (part.north east);
% \fill[gray] (trimmed part.south east) rectangle (trimmed part.north west);
% \draw[green] (0,0) circle [radius=10mm];}
% \bookcovercomponent{tikz}{bg spine}{
% \fill[orange] (part.center) circle [radius=8mm];}
% \end{bookcover}
% \end{examplelst}
% \begin{center}
% \setlength{\fboxsep}{0pt}\setlength{\fboxrule}{.4pt}
% \fcolorbox{black!50}{white}{\includegraphics{figures/tikz}}
% \end{center}
%
% \subsubsection[tikz clip]{Component type: \texttt{tikz clip}}
% \begin{commandlst}
% \bookcovercomponent{tikz clip}{!<part>!}{!<tikz code>!}
% \end{commandlst}
% It works the same as the \texttt{tikz} component type, but it clips the \meta{part}.
%
% \bigskip\noindent\example
% \begin{examplelst}
% \begin{bookcover}
% \bookcovercomponent{tikz clip}{bg whole}{
% \fill[yellow] (part.south west) rectangle (part.north east);
% \fill[gray] (trimmed part.south east) rectangle (trimmed part.north west);
% \draw[green] (0,0) circle [radius=10mm];}
% \bookcovercomponent{tikz clip}{bg spine}{
% \fill[orange] (part.center) circle [radius=8mm];}
% \end{bookcover}
% \end{examplelst}
% \begin{center}
% \setlength{\fboxsep}{0pt}\setlength{\fboxrule}{.4pt}
% \fcolorbox{black!50}{white}{\includegraphics{figures/tikzclip}}
% \end{center}
%
% \subsubsection[normal]{Component type: \texttt{normal}}
% \begin{commandlst}
% \bookcovercomponent{normal}{!<part>!}{!<content>!}
% \end{commandlst}
% In this case, the \meta{content} is not specific. You can choose it as text or picture etc.
%
% \bigskip\noindent\example
% \begin{examplelst}
% \begin{bookcover}
% \bookcovercomponent{normal}{front}{
% \vspace{5cm}
% \begin{center}
% {\bfseries\huge Book title}\\[5mm]
% \includegraphics[width=6cm]{fig.png}
% \end{center}}
% \end{bookcover}
% \end{examplelst}
%
% \subsubsection[center]{Component type: \texttt{center}}
% \begin{commandlst}
% \bookcovercomponent{center}{!<part>!}{!<content>!}
% \end{commandlst}
% It works the same as the \texttt{normal} component type, but the position of the content is the center of the part (horizontally and vertically).
%
% \bigskip\noindent\example
% \begin{examplelst}
% \begin{bookcover}
% \bookcovercomponent{center}{above front}{
% \color{blue}Remark above front}
% \bookcovercomponent{center}{spine}{
% \rotatebox[origin=c]{90}{\bfseries\Large Book title}}
% \end{bookcover}
% \end{examplelst}
%
% \subsubsection[ruler]{Component type: \texttt{ruler}}
% Use the \texttt{ruler} component type to check the sizes of the part.
% \begin{commandlst}
% \bookcovercomponent{ruler}{!<part>!}{\setruler[!<unit>!]{!<coordsys>!}{!<shift x>!}{!<shift y>!}{!<color>!}}
% \end{commandlst}
% \meta{unit} The ruler unit:\\
% \indent\commandinline{cm} Metric ruler (centimeter). Default value.\\
% \indent\commandinline{in} English ruler (inch).
%
% \medskip\noindent
% \meta{coordsys} The type of the coordinate system:\\
% \indent\commandinline{upper left } The origin is the upper left corner of the part.\\
% \indent\commandinline{upper right} The origin is the upper right corner of the part.\\
% \indent\commandinline{lower left } The origin is the lower left corner of the part.\\
% \indent\commandinline{lower right} The origin is the lower right corner of the part.
%
% \medskip\noindent
% \meta{shift x},\meta{shift y} Moving the origin of the ruler to the vector (\meta{shift x},\meta{shift y}).
%
% \medskip\noindent
% \meta{color} The color of the ruler.
%
% \pagebreak\bigskip\noindent\example
% \begin{examplelst}
% \begin{bookcover}
% \bookcovercomponent{ruler}{back}{\setruler{upper left}{0cm}{0cm}{blue}}
% \bookcovercomponent{ruler}{back}{\setruler{upper left}{2cm}{1cm}{black}}
% \bookcovercomponent{ruler}{front}{\setruler{lower right}{0cm}{0cm}{green}}
% \bookcovercomponent{ruler}{front}{\setruler{lower right}{2cm}{1cm}{gray}}
% \end{bookcover}
% \end{examplelst}
% \begin{center}
% \setlength{\fboxsep}{0pt}\setlength{\fboxrule}{.4pt}
% \fcolorbox{black!50}{white}{\includegraphics{figures/ruler}}
% \end{center}
%
% \subsection{Defining component type}
% You can define a new component type, redefine or rename a defined component type with the following commands:
% \begin{commandlst}
% \newbookcovercomponenttype{!<new component type name>!}{!<formatting>!}
% \renewbookcovercomponenttype{!<defined component type name>!}{!<formatting>!}
% \newnamebookcovercomponenttype{!<new component type name>!}{!<defined component type name>!}
% \end{commandlst}
% You can use the following length commands in \meta{formatting}:
%
% \medskip\noindent
% \commandinline{\partwidth } Width of the part.\\
% \commandinline{\partheight } Height of the part.
%
% \bigskip\noindent
% You have to referrence the content as \verb|#1|.
%
% \bigskip\noindent\example
% \begin{examplelst}
% \documentclass[spinewidth=1cm]{bookcover}
% \newbookcovercomponenttype{center rotate}{
% \parbox[t][\partheight][c]{\partwidth}{
% \begin{center}
% \rotatebox[origin=c]{90}{#1}
% \end{center}}}
% \begin{document}
% \begin{bookcover}
% \bookcovercomponent{center rotate}{spine}{Author -- Book title}
% \end{bookcover}
% \end{document}
% \end{examplelst}
%
% \subsection{Defining part}
% You can define a new part, redefine or rename a defined part with the following commands:
% \begin{commandlst}
% \newbookcoverpart{!<new part name>!}{!<setting>!}
% \renewbookcoverpart{!<defined part name>!}{!<setting>!}
% \newnamebookcoverpart{!<new part name>!}{!<defined part name>!}
% \end{commandlst}
% In \meta{setting} you have to set the new part sizes, the coordinates of its upper left corner (the origin is the upper left corner of the printed box), and the parameters of the \texttt{trimmed part} rectangle node in \texttt{tikz} and \texttt{tikz clip} component types. For this purpose, use the following commands:
% \begin{commandlst}
% \setpartposx{!<coord x>!}
% \setpartposy{!<coord y>!}
% \setpartwidth{!<width>!}
% \setpartheight{!<height>!}
% \settrimmedpart{!<width minus>!}{!<height minus>!}{!<shift x>!}{!<shift y>!}
% \end{commandlst}
%
%\begin{center}
%\includegraphics{./figures/newpart}
%\end{center}
%
% \noindent To give the previous lengths, you can use the following length commands:
%
% \medskip\noindent
% \commandinline{\marklength \bleedwidth \flapwidth \coverwidth \spinewidth \coverheight}
%
% \bigskip\noindent\example
% \begin{examplelst}
% \documentclass[flapwidth=3cm]{bookcover}
% \newbookcoverpart{bg half front}{
% \setpartposx{\marklength+\bleedwidth+\flapwidth+\spinewidth+1.5\coverwidth}
% \setpartposy{\marklength}
% \setpartheight{\coverheight+2\bleedwidth}
% \ifdim\flapwidth>0mm
% \setpartwidth{.5\coverwidth}
% \settrimmedpart{0pt}{2\bleedwidth}{0pt}{\bleedwidth}
% \else
% \setpartwidth{.5\coverwidth+\bleedwidth}
% \settrimmedpart{\bleedwidth}{2\bleedwidth}{0pt}{\bleedwidth}\fi}
% \begin{document}
% \begin{bookcover}
% \bookcovercomponent{tikz}{bg half front}{
% \fill[blue] (part.south west) rectangle (part.north east);
% \fill[green] (trimmed part.south west) rectangle (trimmed part.north east);}
% \end{bookcover}
% \end{document}
% \end{examplelst}
%
% \includepdfset{nup=2x5,delta=4mm 4mm,noautoscale,frame}
% \includepdf[pages=1-10,pagecommand={\section{Illustration of the predefined parts}\label{sec:illustration-parts}\subsection{Background parts (cover width flaps)}}]{figures/parts.pdf}
% \includepdf[pages=11-16,pagecommand={}]{figures/parts.pdf}
% \includepdf[pages=36-42,pagecommand={\subsection{Background parts (cover widthout flaps)}}]{figures/parts.pdf}
% \includepdf[pages=17-26,pagecommand={\subsection{Foreground parts (cover width flaps)}}]{figures/parts.pdf}
% \includepdf[pages=27-35,pagecommand={}]{figures/parts.pdf}
% \includepdf[pages=43-52,pagecommand={\subsection{Foreground parts (cover widthout flaps)}}]{figures/parts.pdf}
%
% \newpage\section{Full examples}
% \subsection{A dust jacket}
% \lstinputlisting[style=examplefile]{bookcover-example1.tex}
% \begin{center}
% \setlength{\fboxsep}{0pt}\setlength{\fboxrule}{.4pt}
% \fcolorbox{black!50}{white}{\includegraphics[width=\textwidth-.8pt]{bookcover-example1}}\label{page:example1}
% \end{center}
%
% \subsection{A two-sided book cover}
% \lstinputlisting[style=examplefile]{bookcover-example2.tex}
% \begin{center}
% \setlength{\fboxsep}{0pt}\setlength{\fboxrule}{.4pt}%
% \fcolorbox{black!50}{white}{\includegraphics[page=1,width=\textwidth-.8pt]{bookcover-example2}}\\[5mm]
% \fcolorbox{black!50}{white}{\includegraphics[page=2,width=\textwidth-.8pt]{bookcover-example2}}
% \end{center}
%
% \newpage\subsection{Barcode}
% \begin{examplelst}
% \documentclass{bookcover}
% \usepackage{pst-barcode}
% \begin{document}
% \begin{bookcover}
% \bookcovercomponent{normal}{back}{
% \vfill
% \centering
% \begin{pspicture}(1.5in,1in)
% \psbarcode{1787-6117}{includetext height=1 width=1.5}{issn}
% \end{pspicture}
% \vspace{5mm}}
% \end{bookcover}
% \end{document}
% \end{examplelst}
%
% \noindent You can compile this file with \texttt{latex.exe} or \texttt{xelatex.exe}. Using \texttt{pdflatex.exe} or \texttt{lualatex.exe}, write the following code into the preamble:
% \begin{examplelst}
% \usepackage[pdfcrop={-hires}]{auto-pst-pdf}
% \end{examplelst}
% In this case, the command to compile this file is the following:
%
% \medskip\texttt{pdflatex -shell-escape filename}\\
% or
%
% \texttt{lualatex -shell-escape filename}
%
% \bigskip
% \begin{center}
% \setlength{\fboxsep}{0pt}\setlength{\fboxrule}{.4pt}
% \fcolorbox{black!50}{white}{\includegraphics[width=\textwidth-.8pt]{figures/barcode}}
% \end{center}
%
% \newpage\section{Obsolete method}
%
% {\large\bfseries\color{red}The goal of the \emph{obsolete method} is to be compatible with the early versions of the \texttt{bookcover}. It is not recommended to use it in the future, because the method described in the Section~\begin{NoHyper}\ref{sec:mainmethod}\end{NoHyper} is much more flexible!\par}
%
% \subsection{Commands}
%
% \textbf{Background colors}
% \begin{commandlst}
% \setbookcover{bgcolor}{!<background part>!}{!<colors>!}
% \end{commandlst}
% See the \meta{background part} in Subsubsection \ref{subsubsec:background} and the \meta{colors} in the page \pageref{page:color}.
%
% \bigskip\noindent\textbf{Background pictures}
% \begin{commandlst}
% \setbookcover{bgpic}{!<background part>!}{!<picture file>!}
% \end{commandlst}
% See the \meta{background part} in Subsubsection \ref{subsubsec:background}. The picture will be rescaled according to the sizes of the current background part.
%
% \bigskip\noindent\textbf{Background Ti\emph{k}Z figures}
% \begin{commandlst}
% \setbookcover{bgtikz}{!<background part>!}{!<tikz code>!}
% \end{commandlst}
% See the \meta{background part} in Subsubsection \ref{subsubsec:background}. The Ti\emph{k}Z figure will be placed to the upper left corner of the current background part, without resizing.
% Using the option \texttt{bgtikznodes} of the document class:
%
% \begin{itemize}
% \item the origin moves to the lower left corner of the current background part;
% \item two rectangle nodes come into being: \commandinline{part} and \commandinline{trimmed part}.
% \end{itemize}
%
% \noindent The option \texttt{bgtikzclip} of the document class works the same as \texttt{bgtikznodes}, but it clips the current part.
%
% \bigskip\noindent\textbf{First foreground}
% \begin{commandlst}
% \setbookcover{fgfirst}{!<foreground part>!}{!<content>!}
% \end{commandlst}
% See the \meta{foreground part} in Subsubsection \ref{subsubsec:foreground}. The first foreground is the top layer of the book cover (see Subsection \ref{subsec:layers}).
%
% \bigskip\noindent\textbf{Second foreground}
% \begin{commandlst}
% \setbookcover{fgsecond}{!<foreground part>!}{!<content>!}
% \end{commandlst}
% See the \meta{foreground part} in Subsubsection \ref{subsubsec:foreground}. The second foreground is under the first foreground (see Subsection \ref{subsec:layers}).
%
% \bigskip\noindent\textbf{Making book cover}
% \begin{commandlst}
% \makebookcover
% \end{commandlst}
% This command makes the book cover by using the contents of the background and foreground.
%
% \subsection{Parts in the obsolete method}
% \subsubsection{Background parts}\label{subsubsec:background}
% \begin{center}
% \textbf{With flaps}\\*[0pt]
% \includegraphics{figures/background1}\\[2mm]
% \includegraphics{figures/background2}\\[2mm]
% \includegraphics{figures/background3}
% \end{center}
% \begin{center}
% \textbf{Without flaps}\\*[0pt]
% \includegraphics{figures/background4}\\[2mm]
% \includegraphics{figures/background5}
% \end{center}
%
% \subsubsection{Foreground parts}\label{subsubsec:foreground}
% \begin{center}
% \textbf{With flaps}\\*[0pt]
% \includegraphics{figures/foreground1}
% \end{center}
% \begin{center}
% \textbf{Without flaps}\\*[0pt]
% \includegraphics{figures/foreground2}
% \end{center}
% The other name of \texttt{above front} is \texttt{remark}.
%
% \subsection{Layers}\label{subsec:layers}
% In the following table we can see the hierarchy of the layers:
% \begin{center}
% \begin{tabular}{@{}ll@{}c@{}}
% \cline{1-2}
% \multirow{2}*{|fgfirst|} & |above front|, |below front|, |above back|, |below back|& \color{layer}top layer\\
% & |back|, |front|, |spine|, |front flap|, |back flap| &\color{layer}$\uparrow$\\
% \cline{1-2}
% |fgsecond| & |back|, |front|, |spine|, |front flap|, |back flap|&\color{layer}$\uparrow$\\
% \cline{1-2}
% & |back|, |front|, |spine|, |front flap|, |back flap| &\color{layer}$\uparrow$\\
% |bgtikz| & |whole without flaps| &\color{layer}$\uparrow$\\
% & |whole| &\color{layer}$\uparrow$\\
% \cline{1-2}
% & |back|, |front|, |spine|, |front flap|, |back flap| &\color{layer}$\uparrow$\\
% |bgpic| & |whole without flaps| &\color{layer}$\uparrow$\\
% & |whole| &\color{layer}$\uparrow$\\
% \cline{1-2}
% & |back|, |front|, |spine|, |front flap|, |back flap| &\color{layer}$\uparrow$\\
% |bgcolor| & |whole without flaps| &\color{layer}$\uparrow$\\
% & |whole| & \color{layer}bottom layer\\
% \cline{1-2}
% \end{tabular}
% \end{center}
%
% \subsection{Example}
% See the figure in the page \pageref{page:example1}.
% \lstinputlisting[style=examplefile]{bookcover-example-obsoletemethod.tex}
%
% \StopEventually{}
%
% \begin{macrocode}
%%
%% OPTIONS
\RequirePackage{kvoptions}
\SetupKeyvalOptions{family=bookcover,prefix=bookcover@}
\DeclareVoidOption{10pt}{\PassOptionsToClass{10pt}{article}}
\DeclareVoidOption{11pt}{\PassOptionsToClass{11pt}{article}}
\DeclareVoidOption{12pt}{\PassOptionsToClass{12pt}{article}}
\DeclareStringOption[170mm]{coverwidth}
\DeclareStringOption[240mm]{coverheight}
\DeclareStringOption[5mm]{spinewidth}
\DeclareStringOption[0mm]{flapwidth}
\DeclareStringOption[10mm]{marklength}
\DeclareStringOption[.4pt]{markthick}
\DeclareStringOption[5mm]{bleedwidth}
\DeclareStringOption[red]{markcolor}
\DeclareBoolOption[false]{trimmed}
\DeclareBoolOption[false]{bgtikznodes}% for obsolete method
\DeclareBoolOption[false]{bgtikzclip}% for obsolete method
\ProcessKeyvalOptions{bookcover}
\ifbookcover@bgtikzclip\bookcover@bgtikznodestrue\fi% for obsolete method
%% CLASS AND PACKAGES
%%
%% Don't use 'absolute' option of 'textpos'! It causes problems in some cases:
%% xelatex.exe + pst-barcode
%% pdflatex.exe or lualatex.exe + pst-barcode + auto-pst-pdf
%%
\LoadClass{article}
\RequirePackage{textpos,geometry,graphicx,calc,ifthen,tikz}
\RequirePackage[nonefgrulers]{fgruler}
%% PAGE STYLE
\pagestyle{empty}
%% NEW IF
\newif\if@inbookcoverenv
%% USER LENGTHS
\newlength{\coverwidth}
\newlength{\coverheight}
\newlength{\spinewidth}
\newlength{\flapwidth}
\newlength{\marklength}
\newlength{\markthick}
\newlength{\bleedwidth}
%% INTERNAL LENGTHS
\newlength{\bookcover@xpos@}
\newlength{\bookcover@ypos@}
\newlength{\bookcover@partwidth@}
\newlength{\bookcover@partheight@}
\newlength{\bookcover@tikz@trimmed@part@width@minus}
\newlength{\bookcover@tikz@trimmed@part@height@minus}
\newlength{\bookcover@tikz@trimmed@part@push@right}
\newlength{\bookcover@tikz@trimmed@part@push@up}
\newlength{\bookcover@rulerwidth@}
\newlength{\bookcover@rulerheight@}
\let\partheight\bookcover@partheight@
\let\partwidth\bookcover@partwidth@
%% USER LENGTHS SETTING
\setlength{\coverwidth}{\bookcover@coverwidth}
\setlength{\coverheight}{\bookcover@coverheight}
\setlength{\spinewidth}{\bookcover@spinewidth}
\setlength{\flapwidth}{\bookcover@flapwidth}
\setlength{\marklength}{\bookcover@marklength}
\setlength{\markthick}{\bookcover@markthick}
\setlength{\bleedwidth}{\bookcover@bleedwidth}
%% PAGE DIMENSIONS SETTING
\geometry{left=0pt,right=0pt,bottom=0pt,top=-1em,
paperwidth=2\marklength+2\bleedwidth+2\coverwidth+2\flapwidth+\spinewidth,
paperheight=2\marklength+2\bleedwidth+\coverheight}
%% NO PARAGRAPH INDENTATION
\setlength{\parindent}{0pt}
%% INTERNAL LENGTHS SETTING
\def\bookcover@xpos#1{\setlength{\bookcover@xpos@}{#1}}
\def\bookcover@ypos#1{\setlength{\bookcover@ypos@}{#1}}
\def\bookcover@partwidth#1{\setlength{\bookcover@partwidth@}{#1}}
\def\bookcover@partheight#1{\setlength{\bookcover@partheight@}{#1}}
\def\bookcover@tikz@trimmed@part@param#1#2#3#4{%
\setlength{\bookcover@tikz@trimmed@part@width@minus}{#1}%
\setlength{\bookcover@tikz@trimmed@part@height@minus}{#2}
\setlength{\bookcover@tikz@trimmed@part@push@right}{#3}
\setlength{\bookcover@tikz@trimmed@part@push@up}{#4}}
\def\bookcover@bgtikz@trimmed@part@param#1#2{
\bookcover@tikz@trimmed@part@param{#1}{2\bleedwidth}{#2}{\bleedwidth}}% for obsolete method
\let\setpartposx\bookcover@xpos
\let\setpartposy\bookcover@ypos
\let\setpartwidth\bookcover@partwidth
\let\setpartheight\bookcover@partheight
\let\settrimmedpart\bookcover@tikz@trimmed@part@param
%% MARKS
\def\bookcover@vmark{
\begin{textblock*}{\bookcover@partwidth@}(\bookcover@xpos@,\bookcover@ypos@)
{\color{\bookcover@markcolor}\rule[0pt]{\markthick}{\marklength}}
\end{textblock*}}
\def\bookcover@hmark{
\begin{textblock*}{\bookcover@partwidth@}(\bookcover@xpos@,\bookcover@ypos@)
{\color{\bookcover@markcolor}\rule[0pt]{\marklength}{\markthick}}
\end{textblock*}}
\def\bookcover@marks{
\bookcover@ypos{0mm}
\bookcover@partwidth{\markthick}
\bookcover@xpos{\marklength+\bleedwidth-.5\markthick}
\bookcover@vmark
\ifdim\flapwidth>0mm
\bookcover@xpos{\marklength+\bleedwidth+\flapwidth-.5\markthick}
\bookcover@vmark\fi
\bookcover@xpos{\marklength+\bleedwidth+\flapwidth+\coverwidth-.5\markthick}
\bookcover@vmark
\bookcover@xpos{\marklength+\bleedwidth+\flapwidth+\coverwidth+\spinewidth-.5\markthick}
\bookcover@vmark
\ifdim\flapwidth>0mm
\bookcover@xpos{\marklength+\bleedwidth+\flapwidth+2\coverwidth+\spinewidth-.5\markthick}
\bookcover@vmark\fi
\bookcover@xpos{\marklength+\bleedwidth+2\flapwidth+2\coverwidth+\spinewidth-.5\markthick}
\bookcover@vmark
\bookcover@ypos{\paperheight-\marklength}
\bookcover@partwidth{\markthick}
\bookcover@xpos{\marklength+\bleedwidth-.5\markthick}
\bookcover@vmark
\ifdim\flapwidth>0mm
\bookcover@xpos{\marklength+\bleedwidth+\flapwidth-.5\markthick}
\bookcover@vmark\fi
\bookcover@xpos{\marklength+\bleedwidth+\flapwidth+\coverwidth-.5\markthick}
\bookcover@vmark
\bookcover@xpos{\marklength+\bleedwidth+\flapwidth+\coverwidth+\spinewidth-.5\markthick}
\bookcover@vmark
\ifdim\flapwidth>0mm
\bookcover@xpos{\marklength+\bleedwidth+\flapwidth+2\coverwidth+\spinewidth-.5\markthick}
\bookcover@vmark\fi
\bookcover@xpos{\marklength+\bleedwidth+2\flapwidth+2\coverwidth+\spinewidth-.5\markthick}
\bookcover@vmark
\bookcover@xpos{0mm}
\bookcover@partwidth{\marklength}
\bookcover@ypos{\marklength+\bleedwidth-.5\markthick}
\bookcover@hmark
\bookcover@ypos{\marklength+\bleedwidth+\coverheight-.5\markthick}
\bookcover@hmark
\bookcover@xpos{\paperwidth-\marklength}
\bookcover@partwidth{\marklength}
\bookcover@ypos{\marklength+\bleedwidth-.5\markthick}
\bookcover@hmark
\bookcover@ypos{\marklength+\bleedwidth+\coverheight-.5\markthick}
\bookcover@hmark}
%% TRIMMING
\def\bookcover@trimming{
\begin{textblock*}{\paperwidth}(0mm,0mm)
\begin{tikzpicture}
\begin{scope}[color=white]
\fill(0,0)--
(\paperwidth,0)--
(\paperwidth,\marklength+\bleedwidth)--
(0,\marklength+\bleedwidth)--cycle;
\fill(0,\paperheight)--
(\paperwidth,\paperheight)--
(\paperwidth,\paperheight-\marklength-\bleedwidth)--
(0,\paperheight-\marklength-\bleedwidth)--cycle;
\fill(0,0)--
(\marklength+\bleedwidth,0)--
(\marklength+\bleedwidth,\paperheight)--
(0,\paperheight)--cycle;
\fill(\paperwidth-\marklength-\bleedwidth,0)--
(\paperwidth,0)--
(\paperwidth,\paperheight)--
(\paperwidth-\marklength-\bleedwidth,\paperheight)--cycle;
\end{scope}
\draw[color=\bookcover@markcolor,line width=\markthick]
(\marklength+\bleedwidth,\marklength+\bleedwidth)--
(\paperwidth-\marklength-\bleedwidth,\marklength+\bleedwidth)--
(\paperwidth-\marklength-\bleedwidth,\paperheight-\marklength-\bleedwidth)--
(\marklength+\bleedwidth,\paperheight-\marklength-\bleedwidth)--cycle;
\end{tikzpicture}
\end{textblock*}
\bookcover@ypos{\bleedwidth}
\bookcover@partwidth{\markthick}
\ifdim\flapwidth>0mm
\bookcover@xpos{\marklength+\bleedwidth+\flapwidth-.5\markthick}
\bookcover@vmark
\bookcover@xpos{\marklength+\bleedwidth+\flapwidth+2\coverwidth+\spinewidth-.5\markthick}
\bookcover@vmark\fi
\bookcover@xpos{\marklength+\bleedwidth+\flapwidth+\coverwidth-.5\markthick}
\bookcover@vmark
\bookcover@xpos{\marklength+\bleedwidth+\flapwidth+\coverwidth+\spinewidth-.5\markthick}
\bookcover@vmark
\bookcover@ypos{\paperheight-\marklength-\bleedwidth}
\bookcover@partwidth{\markthick}
\ifdim\flapwidth>0mm
\bookcover@xpos{\marklength+\bleedwidth+\flapwidth-.5\markthick}
\bookcover@vmark
\bookcover@xpos{\marklength+\bleedwidth+\flapwidth+2\coverwidth+\spinewidth-.5\markthick}
\bookcover@vmark\fi
\bookcover@xpos{\marklength+\bleedwidth+\flapwidth+\coverwidth-.5\markthick}
\bookcover@vmark
\bookcover@xpos{\marklength+\bleedwidth+\flapwidth+\coverwidth+\spinewidth-.5\markthick}
\bookcover@vmark}
%% BOOKCOVER COMPONENT
\long\def\bookcovercomponent#1#2#3{
\if@inbookcoverenv\else
\@latexerr{\string\bookcovercomponent\space is not in 'bookcover' environment.}{}\fi
\bookcover@xpos{0pt}
\bookcover@ypos{0pt}
\bookcover@partwidth{0pt}
\bookcover@partheight{0pt}
\bookcover@tikz@trimmed@part@param{0pt}{0pt}{0pt}{0pt}
\@ifundefined{bookcover@part@param@#2}{\@latexerr{Part '#2' undefined.}{}}{
\@ifundefined{bookcover@componenttype@#1}{\@latexerr{Component type '#1' undefined.}{}}{
\ifx\@empty#3\else
\csname bookcover@part@param@#2\endcsname
\ifdim\bookcover@partwidth@>0mm
\ifdim\bookcover@partheight@>0mm
\csname bookcover@componenttype@#1\endcsname{#3}\fi\fi\fi}}}
%% BOOKCOVER ENVIRONMENT
\def\bookcover{\@inbookcoverenvtrue}
\def\endbookcover{
\bookcover@marks
\ifbookcover@trimmed\bookcover@trimming\fi
\mbox{}\newpage\@inbookcoverenvfalse}
%% NEW BOOKCOVER PART
\def\newbookcoverpart#1#2{
\@ifundefined{bookcover@part@param@#1}{
\expandafter\def\csname bookcover@part@param@#1\endcsname{#2}}
{\@latexerr{Part '#1' already defined.}{}}}
%% RENEW BOOKCOVER PART
\def\renewbookcoverpart#1#2{
\@ifundefined{bookcover@part@param@#1}{\@latexerr{Part '#1' undefined.}{}}{
\expandafter\def\csname bookcover@part@param@#1\endcsname{#2}}}
%% NEW NAME BOOKCOVER PART
\def\newnamebookcoverpart#1#2{
\@ifundefined{bookcover@part@param@#1}{
\@ifundefined{bookcover@part@param@#2}{\@latexerr{Part '#2' undefined.}{}}{
\expandafter\def\csname bookcover@part@param@#1\endcsname{%
\csname bookcover@part@param@#2\endcsname}}}
{\@latexerr{Part '#1' already defined.}{}}}
%% NEW BOOKCOVER COMPONENT TYPE
\def\newbookcovercomponenttype#1#2{
\@ifundefined{bookcover@componenttype@#1}{
\long\expandafter\def\csname bookcover@componenttype@#1\endcsname##1{
\begin{textblock*}{\bookcover@partwidth@}(\bookcover@xpos@,\bookcover@ypos@)
#2
\end{textblock*}}}
{\@latexerr{Component type '#1' already defined.}{}}}
%% RENEW BOOKCOVER COMPONENT TYPE
\def\renewbookcovercomponenttype#1#2{
\@ifundefined{bookcover@componenttype@#1}{\@latex@error{Component type '#1' undefined.}{}}{
\long\expandafter\def\csname bookcover@componenttype@#1\endcsname##1{
\begin{textblock*}{\bookcover@partwidth@}(\bookcover@xpos@,\bookcover@ypos@)
#2
\end{textblock*}}}}
%% NEW NAME BOOKCOVER COMPONENT TYPE
\def\newnamebookcovercomponenttype#1#2{
\@ifundefined{bookcover@componenttype@#1}{
\@ifundefined{bookcover@componenttype@#2}{\@latexerr{Component type '#2' undefined.}{}}{
\expandafter\def\csname bookcover@componenttype@#1\endcsname{%
\csname bookcover@componenttype@#2\endcsname}}}
{\@latexerr{Component type '#1' already defined.}{}}}
%% COMPONENT TYPES
\newbookcovercomponenttype{color}{
\tikz\fill[#1] (0,0) rectangle (\bookcover@partwidth@,\bookcover@partheight@);}
\newbookcovercomponenttype{picture}{
\includegraphics[width=\bookcover@partwidth@,height=\bookcover@partheight@]{#1}}
\newbookcovercomponenttype{tikz}{
\begin{tikzpicture}[overlay,yshift=-\bookcover@partheight@]
\begin{scope}[transparent,line width=0pt]
\pgfset{minimum width=\bookcover@partwidth@,minimum height=\bookcover@partheight@}
\pgfnode{rectangle}{south west}{}{part}{\pgfusepath{draw}}
\pgfset{minimum width=\bookcover@partwidth@-\bookcover@tikz@trimmed@part@width@minus,
minimum height=\bookcover@partheight@-\bookcover@tikz@trimmed@part@height@minus}
\pgftransformshift{\pgfpoint{\bookcover@tikz@trimmed@part@push@right}
{\bookcover@tikz@trimmed@part@push@up}}
\pgfnode{rectangle}{south west}{}{trimmed part}{\pgfusepath{draw}}
\end{scope}
#1
\end{tikzpicture}}
\newbookcovercomponenttype{tikz clip}{
\begin{tikzpicture}[overlay,yshift=-\bookcover@partheight@]
\begin{scope}[transparent,line width=0pt]
\pgfset{minimum width=\bookcover@partwidth@,minimum height=\bookcover@partheight@}
\pgfnode{rectangle}{south west}{}{part}{\pgfusepath{draw}}
\pgfset{minimum width=\bookcover@partwidth@-\bookcover@tikz@trimmed@part@width@minus,
minimum height=\bookcover@partheight@-\bookcover@tikz@trimmed@part@height@minus}
\pgftransformshift{\pgfpoint{\bookcover@tikz@trimmed@part@push@right}
{\bookcover@tikz@trimmed@part@push@up}}
\pgfnode{rectangle}{south west}{}{trimmed part}{\pgfusepath{draw}}
\end{scope}
\clip (part.south west) rectangle (part.north east);
#1
\end{tikzpicture}}
\newbookcovercomponenttype{normal}{
\parbox[t][\bookcover@partheight@][t]{\bookcover@partwidth@}{#1}}
\newbookcovercomponenttype{center}{
\parbox[t][\bookcover@partheight@][c]{\bookcover@partwidth@}{\begin{center}#1\end{center}}}
\newbookcovercomponenttype{ruler}{
\parbox[t][\bookcover@partheight@][t]{\bookcover@partwidth@}{#1}}
\newcommand{\setruler}[5][cm]{%
\rulernorotatenum%
\rulerparams{}{}{#5}{}{}%
\setlength{\bookcover@rulerwidth@}{\bookcover@partwidth@-#3}%
\setlength{\bookcover@rulerheight@}{\bookcover@partheight@-#4}%
\ifthenelse{\equal{#2}{upper left}}{%
\vspace{#4}%
\hspace{#3}%
\squareruler[#1]{upperleft}{\bookcover@rulerwidth@}{\bookcover@rulerheight@}}{}%
\ifthenelse{\equal{#2}{upper right}}{%
\vspace{#4}%
\squareruler[#1]{upperright}{\bookcover@rulerwidth@}{\bookcover@rulerheight@}}{}%
\ifthenelse{\equal{#2}{lower left}}{%
\hspace{#3}%
\squareruler[#1]{lowerleft}{\bookcover@rulerwidth@}{\bookcover@rulerheight@}}{}%
\ifthenelse{\equal{#2}{lower right}}{%
\squareruler[#1]{lowerright}{\bookcover@rulerwidth@}{\bookcover@rulerheight@}}{}}
%% BOOKCOVER PARTS
\newbookcoverpart{bg back flap}{
\ifdim\flapwidth>0mm
\bookcover@ypos{\marklength}
\bookcover@partheight{\coverheight+2\bleedwidth}
\bookcover@xpos{\marklength}
\bookcover@partwidth{\flapwidth+\bleedwidth}
\bookcover@tikz@trimmed@part@param{\bleedwidth}{2\bleedwidth}{\bleedwidth}{\bleedwidth}\fi}
\newbookcoverpart{bg back}{
\bookcover@ypos{\marklength}
\bookcover@partheight{\coverheight+2\bleedwidth}
\ifdim\flapwidth>0mm
\bookcover@xpos{\marklength+\bleedwidth+\flapwidth}
\bookcover@partwidth{\coverwidth}
\bookcover@tikz@trimmed@part@param{0pt}{2\bleedwidth}{0pt}{\bleedwidth}
\else
\bookcover@xpos{\marklength}
\bookcover@partwidth{\coverwidth+\bleedwidth}
\bookcover@tikz@trimmed@part@param{\bleedwidth}{2\bleedwidth}{\bleedwidth}{\bleedwidth}\fi}
\newbookcoverpart{bg spine}{
\bookcover@ypos{\marklength}
\bookcover@partheight{\coverheight+2\bleedwidth}
\bookcover@xpos{\marklength+\bleedwidth+\flapwidth+\coverwidth}
\bookcover@partwidth{\spinewidth}