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path: root/graphics/zigaretten/zigarettenschachtelhuellenzeichnung.dtx
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% \iffalse meta-comment
%
% Copyright (C) 2005 by Régis Lachaume.
%
% Released in the public domain.
%
% \fi
% 
% \iffalse
%<package>\NeedsTeXFormat{LaTeX2e}
%<package>\ProvidesPackage{zigarettenschachtelhuellenzeichnung}
%<package> [2005/04/29 Zigarettenschachtelhuellenzeichnung mit LaTeX - Drawing of cigarette pack covers with LaTeX]
%<*driver>
\documentclass{ltxdoc}
\EnableCrossrefs         
\CodelineIndex
\RecordChanges
\begin{document}
\DocInput{zigarettenschachtelhuellenzeichnung.dtx}
\end{document}
%</driver>
% \fi
%
% 
%
% \GetFileInfo{zigarettenschachtelhuellenzeichnung.dtx}
% \CheckSum{0}
% \OnlyDescription
%
% \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         \~}
%
%
%
% \title{Zigarettenschachtelhuellenzeichnung\\Drawing of cigarette pack covers.}
%
% \author{R\'egis Lachaume\\
%         Max-Planck-Institut f\"ur Radioastronomie\\
%         Auf dem H\"ugel 69\\
%         D-53121 Bonn\\
%         \texttt{lachaume@mpifr-bonn.mpg.de}}
%
%
% \date{Printed \today}
%
% \maketitle
%    
% \section{To start with}
%
% This package is meant to design cigarette pack covers that hide the
% death warnings and the advertising present on most packs.  It imitates
% the original look of packs in the European Union by allowing the
% placement of fancy warnings (e.g. Caution: inflammable device).
%
% An example file example.tex is included in the distribution.
%
% The package is loaded with |\usepackage{zigarettenschachtelhuellenzeichnung}|
% between the |\documentclass{...}| and the |\begin{document}|.
%
% A cigarette pack is then obtained with
% \begin{verbatim}
% \begin{zigarettenschachtelhuelle}[<pack>]
%     \frontwarning{Text of the warning on the front side}
%     \fronttext{Text on the front side, above the warning frame}
%     \ingredients{Text in the left side frame}
%     \background{<pgfcolor>}
%     \backwarning{Text of the warning on the back side}
%     \backtext{Text on the back side, above the warning frame}
% \end{zigarettenschachtelhuelle}
% \end{verbatim}
%
% The default pack is |<pack>=normalpack|.  It corresponds to a standard
% hard pack.  It is possible to define new pack styles by specifying all
% dimensions:
%
% \begin{verbatim}
% \definepack{<packname>}{
%    \width=<pack width>
%    \depth=<pack depth>
%    \frontheight=<cover height on the front side>
%    \backheight=<cover height on the back side>
%    \frontwarningheight=<height of the warning framebox on the front side>
%    \backwarningheight=<height of the warning framebox on the back side>
%    \ingrendientsheight=<height of the ingredients framebox>
%    \framewidth=<thickness of the frame in warning boxes>
%    \framesep=<distance between warning text and frame>
%    \flapsize=<width of the flaps used to glue the pattern>
%    \frontwarningbottommargin=
%    \backwarningsidemargin=
%    \ingrendientsbottommargin=
%    \ingrendientssidemargin=
%    \frontwarningsidemargin=
%    \backwarningbottommargin=
%    \sidemargin=<margin for normal text written on the pack cover>
%    \verticalmargin=<top margin for normal text on the pack cover>
% }
% \end{verbatim}
%
% \section{Description of commands}
%
% TBW.
%
% \section{\LaTeX source}
%
%    \begin{macrocode}
% Needed packages: calc for dimension calculus, pgf for portable graphics
% and ifthen to use latex-style booleans.
\RequirePackage{calc}
\RequirePackage{pgf}
\RequirePackage{ifthen}
% width of the pack 
\newlength\width
% depth of the pack
\newlength\depth
% height of the cover on the front side of the pack
\newlength\frontheight
% height of the cover on the back side of the pack
\newlength\backheight
% flap width
\newlength\flapsize
% width of the black frame of warnings
\newlength\framewidth
% separation between warning text and the black frame
\newlength\framesep
% height, side-margin and bottom margin of the front warning frame
\newlength\frontwarningheight
\newlength\frontwarningsidemargin
\newlength\frontwarningbottommargin
% idem for the back warning frame
\newlength\backwarningheight
\newlength\backwarningsidemargin
\newlength\backwarningbottommargin
% idem for the side frame used as a ingredients listing
\newlength\ingrendientsheight
\newlength\ingrendientssidemargin
\newlength\ingrendientsbottommargin
% side-margin and top margin for displaying text or images on the cover
\newlength\sidemargin
\newlength\verticalmargin
% define a packstyle \definepack{packname}{\width=... \depth=...}
% can be used later with \begin{zigarettenschachtelhuelle}[packname]
\def\@listofpacks{}
\newcommand\definepack[2]{
   \ifthenelse{\equal{\@listofpacks}{}}{\def\@comma{}}{\def{\@comma{,}}}
   \edef\@listofpacks{\@listofpacks\@comma#1}%
   \expandafter\def\csname #1\endcsname{#2}%
}
% the default pack style is normalpack (20 hard pack)
\definepack{normalpack}{
   \newcommand\warningfont{\sffamily\bfseries}
   \renewcommand\textfont{\sffamily}
   \ingrendientssidemargin=2mm
   \ingrendientsbottommargin=5mm
   \ingrendientsheight=22mm
   \frontwarningbottommargin=1mm
   \frontwarningsidemargin=1mm
   \backwarningheight=38mm
   \backwarningsidemargin=1mm
   \backwarningbottommargin=1mm
   \depth=24mm
   \width=56mm
   \frontheight=62mm
   \backheight=76mm
   \flapsize=10mm
   \framewidth=3mm
   \framesep=2.5mm
   \sidemargin=3mm
   \frontwarningheight=28mm
   \verticalmargin=3mm
}
% pack cover is created by an environment
% \begin{zigarettenschachtelhuelle}[packstyle]
%       <some dimension and/or font settings>
%       <setting of warning messages>
% \end{zigarettenschachtelhuelle}
\newenvironment{zigarettenschachtelhuelle}[1][normalpack]{%
   % \frontwarning[fontsize]{text}: set the front warning (and its font size)
   \newcommand\frontwarning[2][20pt]{%
      \setlength\@frontwarningfs{##1}
      \setlength\@frontwarningls{1.14\@frontwarningfs}
      \def\@frontwarningtext{##2}%
   }\frontwarning{}%
   % \fronttext[fontsize]{text}: set the front text (and its font size)
   \newcommand\fronttext[2][10pt]{%
      \setlength\@fronttextfs{##1}
      \setlength\@fronttextls{1.14\@fronttextfs}
      \def\@fronttext{##2}%
   }\fronttext{}%
   % \backwarning[fontsize]{text}: set the back warning (and its font size)
   \newcommand\backwarning[2][15pt]{%
      \setlength{\@backwarningfs}{##1}
      \setlength\@backwarningls{1.14\@backwarningfs}
      \def\@backwarningtext{##2}%
   }\backwarning{}%
   % \backtext[fontsize]{text}: set the back text (and its font size)
   \newcommand\backtext[2][10pt]{%
      \setlength\@backtextfs{##1}
      \setlength\@backtextls{1.14\@backtextfs}
      \def\@backtext{##2}%
   }\backtext{}%
   % \ingredients[fontsize]{text}: set the ingredient list (and its font size)
   \newcommand\ingredients[2][5pt]{%
      \setlength{\@ingrendientsfs}{##1}
      \setlength\@ingrendientsls{1.14\@ingrendientsfs}
      \def\@ingredientstext{##2}%
   }\ingredients{}%
   % \background{pgfcolor}: set the background color
   \newcommand\background[1]{\def\@background{##1}}\background{white}%
   % look for the pack style in the list of defined ones and
   % set the corresponding dimensions
   \setboolean{@validpack}{false}
   \@for\@packstyle:=\@listofpacks\do{%
      \typeout{\@packstyle - #1}
      \ifthenelse{\equal{#1}{\@packstyle}}{%
         \typeout{   -> OK!} 
         \csname\@packstyle\endcsname
         \setboolean{@validpack}{true}
      }{}%
   }
   \ifthenelse{\boolean{@validpack}}{}{%
      \@latexerr{Not a valid pack type: #1}%
   }
}{%
   % coordinates of template vertices. (see template below)
   %                N________N          
   %               /|        |\
   %              / |        | \
   %   P________O/r |        |  \L__  
   %   |        | i |        | l | f\K
   %   | back   | g |  front | e | l |
   %   |        | h |        | f | a |
   %   |        | t |        | t | p J
   %   A--------B---C--------H---I--/  
   %                | bottom |
   %                D--------G          
   %                | flap   |
   %                \E------F/          
   \parindent=0pt 
   \setlength\@xA{0cm}\setlength\@yA{0cm}
   \setlength\@xB{\width}\setlength\@yB{0cm}
   \setlength\@xC{\width+\depth}\setlength\@yC{0cm}
   \setlength\@xD{\width+\depth}\setlength\@yD{-\depth}
   \setlength\@xE{\width+\depth+0.5\flapsize}\setlength\@yE{-\depth-\flapsize}
   \setlength\@xF{2\width+\depth-0.5\flapsize}\setlength\@yF{-\depth-\flapsize}
   \setlength\@xG{2\width+\depth}\setlength\@yG{-\depth}
   \setlength\@xH{2\width+\depth}\setlength\@yH{0cm}
   \setlength\@xI{2\width+2\depth}\setlength\@yI{0cm}
   \setlength\@xJ{2\width+2\depth+\flapsize}\setlength\@yJ{0.5\flapsize}
   \setlength\@xK{2\width+2\depth+\flapsize}\setlength\@yK{\backheight-0.5\flapsize}
   \setlength\@xL{2\width+2\depth}\setlength\@yL{\backheight}
   \setlength\@xM{2\width+\depth}\setlength\@yM{\frontheight}
   \setlength\@xN{\width+\depth}\setlength\@yN{\frontheight}
   \setlength\@xO{\width}\setlength\@yO{\backheight}
   \setlength\@xP{0cm}\setlength\@yP{\backheight}
   % drawing 
   \begin{pgfpicture}{0cm}{\@yE}{\@xK}{\@yO}
      % draw template outline
      \begin{pgfscope}
      \color{\@background}
      \pgfmoveto{\pgfpoint\@xA\@yA}\pgflineto{\pgfpoint\@xB\@yB}
      \pgflineto{\pgfpoint\@xD\@yC}\pgflineto{\pgfpoint\@xD\@yD}
      \pgflineto{\pgfpoint\@xE\@yE}\pgflineto{\pgfpoint\@xF\@yF}
      \pgflineto{\pgfpoint\@xG\@yG}\pgflineto{\pgfpoint\@xH\@yH}
      \pgflineto{\pgfpoint\@xI\@yI}\pgflineto{\pgfpoint\@xJ\@yJ}
      \pgflineto{\pgfpoint\@xK\@yK}\pgflineto{\pgfpoint\@xL\@yL}
      \pgflineto{\pgfpoint\@xM\@yM}\pgflineto{\pgfpoint\@xN\@yN}
      \pgflineto{\pgfpoint\@xO\@yO}\pgflineto{\pgfpoint\@xP\@yP}
      \pgffillstroke
      \end{pgfscope}
      % draw folding lines
      \color{black} 
      \pgfline{\pgfpoint\@xB\@yB}{\pgfpoint\@xO\@yO}
      \pgfline{\pgfpoint\@xC\@yC}{\pgfpoint\@xN\@yN}
      \pgfline{\pgfpoint\@xH\@yH}{\pgfpoint\@xM\@yM}
      \pgfline{\pgfpoint\@xI\@yI}{\pgfpoint\@xL\@yL}
      \pgfline{\pgfpoint\@xC\@yC}{\pgfpoint\@xH\@yH}
      \pgfline{\pgfpoint\@xD\@yD}{\pgfpoint\@xG\@yG}
      % position warning frames
      \begin{pgfscope} 
      \fontsize{\@frontwarningfs}{\@frontwarningls}
      \@smashbox\@xC\@yC\frontwarningsidemargin\frontwarningbottommargin\width\frontwarningheight\@frontwarningtext
      \fontsize{\@ingrendientsfs}{\@ingrendientsls}
      \@smashbox\@xB\@yB\ingrendientssidemargin\ingrendientsbottommargin\depth\ingrendientsheight\@ingredientstext
      \fontsize{\@backwarningfs}{\@backwarningls}
      \@smashbox\@xA\@yA\backwarningsidemargin\backwarningbottommargin\width\backwarningheight\@backwarningtext
      \end{pgfscope}
      % position additional text
      \fontsize{\@fronttextfs}{\@fronttextls}
      \@smashtext\@xN\@yN\sidemargin\verticalmargin\width\@fronttext
      \fontsize{\@backtextfs}{\@backtextls}
      \@smashtext\@xP\@yP\sidemargin\verticalmargin\width\@backtext
   \end{pgfpicture}
}
% internal use
\newlength\@tmplen
\newlength\@fronttextls
\newlength\@backtextls
\newlength\@fronttextfs
\newlength\@backtextfs
\newlength\@frontwarningfs
\newlength\@backwarningfs
\newlength\@ingrendientsfs
\newlength\@frontwarningls
\newlength\@backwarningls
\newlength\@ingrendientsls
\newlength\@xA\newlength\@yA
\newlength\@xB\newlength\@yB
\newlength\@xC\newlength\@yC
\newlength\@xD\newlength\@yD
\newlength\@xE\newlength\@yE
\newlength\@xF\newlength\@yF
\newlength\@xG\newlength\@yG
\newlength\@xH\newlength\@yH
\newlength\@xI\newlength\@yI
\newlength\@xJ\newlength\@yJ
\newlength\@xK\newlength\@yK
\newlength\@xL\newlength\@yL
\newlength\@xM\newlength\@yM
\newlength\@xN\newlength\@yN
\newlength\@xO\newlength\@yO
\newlength\@xP\newlength\@yP
\newlength\@xbl\newlength\@ybl
\newlength\@xtl\newlength\@ytl
\newlength\@xwd\newlength\@yht
\newlength\@wd\newlength\@ht
% smash a text around top-left corner (#1, #2) with margin (#3, #4)
% and dimensions #5x#6. Text is #7
\def\@smashtext#1#2#3#4#5#6{
   \@tmplen=#3
   \setlength\@xbl{#1+#3}\setlength\@ybl{#2-#4}
   \setlength\@xwd{#5-2\@tmplen}
   \pgfputat{\pgfpoint{\@xbl}{\@ybl}}{%
     \pgfbox[top,left]{\parbox[t]{\@xwd}{\vglue 0pt\textfont #6}}%
   }%
}
% smash a frame box around bottom-left corner (#1,#2) with offset (#3,#4)
% and width #5.  The text is #6.
\def\@smashbox#1#2#3#4#5#6#7{%
   % black frame 
   \color{black}
   \@tmplen=#3
   \setlength\@xbl{#1+#3}\setlength\@ybl{#2+#4}
   \setlength\@xwd{#5-2\@tmplen}\setlength\@yht{#6}
   \pgfrect[fill]{\pgfpoint\@xbl\@ybl}{\pgfpoint\@xwd\@yht}
   % white bg in frame
   \color{white}
   \setlength\@xbl{\@xbl+\framewidth}\setlength\@ybl{\@ybl+\framewidth}%
   \setlength\@xwd{\@xwd-2\framewidth}\setlength\@yht{\@yht-2\framewidth}%
   \pgfrect[fill]{\pgfpoint\@xbl\@ybl}{\pgfpoint\@xwd\@yht}%
   % text
   \color{black}
   \setlength\@xbl{\@xbl+\framesep}\setlength\@ybl{\@ybl+\framesep}%
   \setlength\@xwd{\@xwd-2\framesep}%
   \pgfputat{\pgfpoint{\@xbl}{\@ybl}}{%
     \pgfbox[left,bottom]{\parbox[b]{\@xwd}{\centering\warningfont #7\vglue 0pt}}%
   }%
}
%
\newboolean{@validpack}
%    \end{macrocode}
%
%\Finale
\endinput