01

\documentclass{sample}
% Les têtes de chapitre sont définies ainsi
\makeatletter
\def\@makechapterhead#1{%
  \vspace*{50\p@}%
  {\parindent \z@ \raggedright \normalfont
    \ifnum \c@secnumdepth >\m@ne
      \if@mainmatter
        \huge\bfseries \@chapapp\space \thechapter
        \par\nobreak
        \vskip 20\p@
      \fi
    \fi
    \interlinepenalty\@M
    \Huge \bfseries #1\par\nobreak
    \vskip 40\p@
  }}
\def\@schapter#1{\if@twocolumn
                   \@topnewpage[\@makeschapterhead{#1}]%
                 \else
                   \@makeschapterhead{#1}%
                   \@afterheading
                 \fi}
\def\@makeschapterhead#1{%
  \vspace*{50\p@}%
  {\parindent \z@ \raggedright
    \normalfont
    \interlinepenalty\@M
    \Huge \bfseries  #1\par\nobreak
    \vskip 40\p@
  }}
\begin{document}
\chapter*{Introduction}
\end{document}


02

\documentclass{sample}
% Les têtes de chapitre sont définies ainsi
\makeatletter
\def\@makechapterhead#1{%
  \vspace*{50\p@}%
  {\parindent \z@ \raggedright \normalfont
    \ifnum \c@secnumdepth >\m@ne
      \if@mainmatter
        \huge\bfseries \@chapapp\space \thechapter
        \par\nobreak
        \vskip 20\p@
      \fi
    \fi
    \interlinepenalty\@M
    \Huge \bfseries #1\par\nobreak
    \vskip 40\p@
  }}
\def\@schapter#1{\if@twocolumn
                   \@topnewpage[\@makeschapterhead{#1}]%
                 \else
                   \@makeschapterhead{#1}%
                   \@afterheading
                 \fi}
\def\@makeschapterhead#1{%
  \vspace*{50\p@}%
  {\parindent \z@ \raggedright
    \normalfont
    \interlinepenalty\@M
    \Huge \bfseries  #1\par\nobreak
    \vskip 40\p@
  }}
\begin{document}
\chapter{Introduction}
\end{document}


03

\documentclass{sample}
% Les têtes de chapitre sont définies ainsi
\makeatletter
\def\@makechapterhead#1{%
  \vspace*{50\p@}%
  {\parindent \z@ \raggedleft
    \normalfont
    \ifnum \c@secnumdepth >\m@ne
      \if@mainmatter
        \huge\bfseries \@chapapp\space \thechapter
        \par\nobreak
        \vskip 20\p@
      \fi
    \fi
    \interlinepenalty\@M
    \Huge \bfseries #1\par\nobreak
    \vskip 40\p@
  }}
\def\@schapter#1{\if@twocolumn
                   \@topnewpage[\@makeschapterhead{#1}]%
                 \else
                   \@makeschapterhead{#1}%
                   \@afterheading
                 \fi}
\def\@makeschapterhead#1{%
  \vspace*{50\p@}%
  {\parindent \z@ \raggedleft
    \normalfont
    \interlinepenalty\@M
    \Huge \bfseries  #1\par\nobreak
    \vskip 40\p@
  }}
\begin{document}
\chapter*{Introduction}
\end{document}


04

\documentclass{sample}
% Les têtes de chapitre sont définies ainsi
\makeatletter
\def\@makechapterhead#1{%
  \vspace*{50\p@}%
  {\parindent \z@ \raggedleft
    \normalfont
    \ifnum \c@secnumdepth >\m@ne
      \if@mainmatter
        \huge\bfseries \@chapapp\space \thechapter
        \par\nobreak
        \vskip 20\p@
      \fi
    \fi
    \interlinepenalty\@M
    \Huge \bfseries #1\par\nobreak
    \vskip 40\p@
  }}
\def\@schapter#1{\if@twocolumn
                   \@topnewpage[\@makeschapterhead{#1}]%
                 \else
                   \@makeschapterhead{#1}%
                   \@afterheading
                 \fi}
\def\@makeschapterhead#1{%
  \vspace*{50\p@}%
  {\parindent \z@ \raggedleft
    \normalfont
    \interlinepenalty\@M
    \Huge \bfseries  #1\par\nobreak
    \vskip 40\p@
  }}
\begin{document}
\chapter{Introduction}
\end{document}


05

\documentclass{sample}
% Les têtes de chapitre sont définies ainsi
\makeatletter
\def\@makechapterhead#1{%
  \vspace*{50\p@}%
  {\parindent \z@ \centering
    \normalfont
    \ifnum \c@secnumdepth >\m@ne
      \if@mainmatter
        \huge\bfseries \@chapapp\space \thechapter
        \par\nobreak
        \vskip 20\p@
      \fi
    \fi
    \interlinepenalty\@M
    \Huge \bfseries #1\par\nobreak
    \vskip 40\p@
  }}
\def\@schapter#1{\if@twocolumn
                   \@topnewpage[\@makeschapterhead{#1}]%
                 \else
                   \@makeschapterhead{#1}%
                   \@afterheading
                 \fi}
\def\@makeschapterhead#1{%
  \vspace*{50\p@}%
  {\parindent \z@ \centering
    \normalfont
    \interlinepenalty\@M
    \Huge \bfseries  #1\par\nobreak
    \vskip 40\p@
  }}
\begin{document}
\chapter*{Introduction}
\end{document}


06

\documentclass{sample}
% Les têtes de chapitre sont définies ainsi
\makeatletter
\def\@makechapterhead#1{%
  \vspace*{50\p@}%
  {\parindent \z@ \centering
    \normalfont
    \ifnum \c@secnumdepth >\m@ne
      \if@mainmatter
        \huge\bfseries \@chapapp\space \thechapter
        \par\nobreak
        \vskip 20\p@
      \fi
    \fi
    \interlinepenalty\@M
    \Huge \bfseries #1\par\nobreak
    \vskip 40\p@
  }}
\def\@schapter#1{\if@twocolumn
                   \@topnewpage[\@makeschapterhead{#1}]%
                 \else
                   \@makeschapterhead{#1}%
                   \@afterheading
                 \fi}
\def\@makeschapterhead#1{%
  \vspace*{50\p@}%
  {\parindent \z@ \centering
    \normalfont
    \interlinepenalty\@M
    \Huge \bfseries  #1\par\nobreak
    \vskip 40\p@
  }}
\begin{document}
\chapter{Introduction}
\end{document}


07

\documentclass{sample}
% Les têtes de chapitre sont définies ainsi
\makeatletter
\def\@makechapterhead#1{%
  \vspace*{20\p@}%
  {\parindent \z@ \centering
    \normalfont
    \ifnum \c@secnumdepth >\m@ne
      \if@mainmatter
        %\huge\bfseries 
        \scshape
        \@chapapp\space \thechapter
        \par\nobreak
%        \vskip 20\p@
      \fi
    \fi
    \interlinepenalty\@M
    \Huge \bfseries #1\par\nobreak
    \vskip 40\p@
  }}
\def\@schapter#1{\if@twocolumn
                   \@topnewpage[\@makeschapterhead{#1}]%
                 \else
                   \@makeschapterhead{#1}%
                   \@afterheading
                 \fi}
\def\@makeschapterhead#1{%
  \vspace*{20\p@}%
  {\parindent \z@ \centering
    \normalfont
    \scshape
    \interlinepenalty\@M
    \Huge \bfseries #1\par\nobreak
    \vskip 40\p@
  }}
\begin{document}
\chapter*{Introduction}
\end{document}


08

\documentclass{sample}
% Les têtes de chapitre sont définies ainsi
\makeatletter
\def\@makechapterhead#1{%
  \vspace*{20\p@}%
  {\parindent \z@ \centering
    \normalfont
    \ifnum \c@secnumdepth >\m@ne
      \if@mainmatter
        %\huge\bfseries 
        \scshape
        \@chapapp\space \thechapter
        \par\nobreak
%        \vskip 20\p@
      \fi
    \fi
    \interlinepenalty\@M
    \Huge \bfseries #1\par\nobreak
    \vskip 40\p@
  }}
\def\@schapter#1{\if@twocolumn
                   \@topnewpage[\@makeschapterhead{#1}]%
                 \else
                   \@makeschapterhead{#1}%
                   \@afterheading
                 \fi}
\def\@makeschapterhead#1{%
  \vspace*{20\p@}%
  {\parindent \z@ \centering
    \normalfont
    \scshape
    \interlinepenalty\@M
    \Huge \bfseries #1\par\nobreak
    \vskip 40\p@
  }}
\begin{document}
\chapter{Introduction}
\end{document}


09

\documentclass{sample}
% Les têtes de chapitre sont définies ainsi
\makeatletter
\def\@makechapterhead#1{%
  \vspace*{20\p@}%
  {\parindent \z@ \raggedleft
    \normalfont
    \ifnum \c@secnumdepth >\m@ne
      \if@mainmatter
        %\huge\bfseries 
        \scshape
        \@chapapp\space \thechapter
        \par\nobreak
%        \vskip 20\p@
      \fi
    \fi
    \interlinepenalty\@M
    \Huge \bfseries #1\par\nobreak
    \vskip 40\p@
  }}
\def\@schapter#1{\if@twocolumn
                   \@topnewpage[\@makeschapterhead{#1}]%
                 \else
                   \@makeschapterhead{#1}%
                   \@afterheading
                 \fi}
\def\@makeschapterhead#1{%
  \vspace*{20\p@}%
  {\parindent \z@ \raggedleft
    \normalfont
    \scshape
    \interlinepenalty\@M
    \Huge \bfseries #1\par\nobreak
    \vskip 40\p@
  }}
\begin{document}
\chapter*{Introduction}
\end{document}


10

\documentclass{sample}
% Les têtes de chapitre sont définies ainsi
\makeatletter
\def\@makechapterhead#1{%
  \vspace*{20\p@}%
  {\parindent \z@ \raggedleft
    \normalfont
    \ifnum \c@secnumdepth >\m@ne
      \if@mainmatter
        %\huge\bfseries 
        \scshape
        \@chapapp\space \thechapter
        \par\nobreak
%        \vskip 20\p@
      \fi
    \fi
    \interlinepenalty\@M
    \Huge \bfseries #1\par\nobreak
    \vskip 40\p@
  }}
\def\@schapter#1{\if@twocolumn
                   \@topnewpage[\@makeschapterhead{#1}]%
                 \else
                   \@makeschapterhead{#1}%
                   \@afterheading
                 \fi}
\def\@makeschapterhead#1{%
  \vspace*{20\p@}%
  {\parindent \z@ \raggedleft
    \normalfont
    \scshape
    \interlinepenalty\@M
    \Huge \bfseries #1\par\nobreak
    \vskip 40\p@
  }}
\begin{document}
\chapter{Introduction}
\end{document}


11

\documentclass{sample}
% Les têtes de chapitre sont définies ainsi
\makeatletter
\def\@makechapterhead#1{%
  \vspace*{20\p@}%
  {\parindent \z@ \raggedright
    \normalfont
    \ifnum \c@secnumdepth >\m@ne
      \if@mainmatter
        %\huge\bfseries 
        \scshape
        \@chapapp\space \thechapter
        \par\nobreak
%        \vskip 20\p@
      \fi
    \fi
    \interlinepenalty\@M
    \Huge \bfseries #1\par\nobreak
    \vskip 40\p@
  }}
\def\@schapter#1{\if@twocolumn
                   \@topnewpage[\@makeschapterhead{#1}]%
                 \else
                   \@makeschapterhead{#1}%
                   \@afterheading
                 \fi}
\def\@makeschapterhead#1{%
  \vspace*{20\p@}%
  {\parindent \z@ \raggedright
    \normalfont
    \scshape
    \interlinepenalty\@M
    \Huge \bfseries #1\par\nobreak
    \vskip 40\p@
  }}
\begin{document}
\chapter*{Introduction}
\end{document}


12

\documentclass{sample}
% Les têtes de chapitre sont définies ainsi
\makeatletter
\def\@makechapterhead#1{%
  \vspace*{20\p@}%
  {\parindent \z@ \raggedright
    \normalfont
    \ifnum \c@secnumdepth >\m@ne
      \if@mainmatter
        %\huge\bfseries 
        \scshape
        \@chapapp\space \thechapter
        \par\nobreak
%        \vskip 20\p@
      \fi
    \fi
    \interlinepenalty\@M
    \Huge \bfseries #1\par\nobreak
    \vskip 40\p@
  }}
\def\@schapter#1{\if@twocolumn
                   \@topnewpage[\@makeschapterhead{#1}]%
                 \else
                   \@makeschapterhead{#1}%
                   \@afterheading
                 \fi}
\def\@makeschapterhead#1{%
  \vspace*{20\p@}%
  {\parindent \z@ \raggedright
    \normalfont
    \scshape
    \interlinepenalty\@M
    \Huge \bfseries #1\par\nobreak
    \vskip 40\p@
  }}
\begin{document}
\chapter{Introduction}
\end{document}


13

\documentclass{sample}
% Chapitres numérotés en toutes lettres
\makeatletter
\newcommand{\thechapterwords}
{ \ifcase \thechapter\or Premier\or Deux\or Trois\or Quatre\or Cinq\or
  Six\or Sept\or Huit\or Neuf\or Dix\or Onze\fi}
\def\@makechapterhead#1{%
  \vspace*{20\p@}%
  {\parindent \z@ \raggedright
    \normalfont
    \ifnum \c@secnumdepth >\m@ne
      \if@mainmatter
        %\huge\bfseries 
        \scshape
        \@chapapp\space \thechapterwords
        \par\nobreak
%        \vskip 20\p@
      \fi
    \fi
    \interlinepenalty\@M
    \Huge \bfseries #1\par\nobreak
    \vskip 40\p@
  }}
\def\@schapter#1{\if@twocolumn
                   \@topnewpage[\@makeschapterhead{#1}]%
                 \else
                   \@makeschapterhead{#1}%
                   \@afterheading
                 \fi}
\def\@makeschapterhead#1{%
  \vspace*{20\p@}%
  {\parindent \z@ \raggedright
    \normalfont
    \scshape
    \interlinepenalty\@M
    \Huge \bfseries #1\par\nobreak
    \vskip 40\p@
  }}
\begin{document}
\chapter{Introduction}
\end{document}


14

\documentclass{sample}
\makeatletter
\def\thickhrulefill{\leavevmode \leaders \hrule height 1ex \hfill \kern \z@}
\def\@makechapterhead#1{%
  %\vspace*{50\p@}%
  \vspace*{10\p@}%
  {\parindent \z@ \centering \reset@font
        \thickhrulefill\quad
        \scshape \@chapapp{} \thechapter
        \quad \thickhrulefill
        \par\nobreak
        \vspace*{10\p@}%
        \interlinepenalty\@M
        \hrule
        \vspace*{10\p@}%
        \Huge \bfseries #1\par\nobreak
        \par
        \vspace*{10\p@}%
        \hrule
    %\vskip 40\p@
    \vskip 100\p@
  }}
\def\@makeschapterhead#1{%
  %\vspace*{50\p@}%
  \vspace*{10\p@}%
  {\parindent \z@ \centering \reset@font
        \thickhrulefill
        \par\nobreak
        \vspace*{10\p@}%
        \interlinepenalty\@M
        \hrule
        \vspace*{10\p@}%
        \Huge \bfseries #1\par\nobreak
        \par
        \vspace*{10\p@}%
        \hrule
    %\vskip 40\p@
    \vskip 100\p@
  }}
\begin{document}
\chapter{Introduction}
\end{document}


15

\documentclass{sample}
\makeatletter
\newcommand{\thechapterwords}
{ \ifcase \thechapter\or Premier\or Deux\or Trois\or Quatre\or Cinq\or
  Six\or Sept\or Huit\or Neuf\or Dix\or Onze\fi}
\def\thickhrulefill{\leavevmode \leaders \hrule height 1ex \hfill \kern \z@}
\def\@makechapterhead#1{%
  %\vspace*{50\p@}%
  \vspace*{10\p@}%
  {\parindent \z@ \centering \reset@font
        \thickhrulefill\quad
        \scshape \@chapapp{} \thechapterwords
        \quad \thickhrulefill
        \par\nobreak
        \vspace*{10\p@}%
        \interlinepenalty\@M
        \hrule
        \vspace*{10\p@}%
        \Huge \bfseries #1\par\nobreak
        \par
        \vspace*{10\p@}%
        \hrule
    %\vskip 40\p@
    \vskip 100\p@
  }}
\def\@makeschapterhead#1{%
  %\vspace*{50\p@}%
  \vspace*{10\p@}%
  {\parindent \z@ \centering \reset@font
        \thickhrulefill
        \par\nobreak
        \vspace*{10\p@}%
        \interlinepenalty\@M
        \hrule
        \vspace*{10\p@}%
        \Huge \bfseries #1\par\nobreak
        \par
        \vspace*{10\p@}%
        \hrule
    %\vskip 40\p@
    \vskip 100\p@
  }}
\begin{document}
\chapter{Introduction}
\end{document}


16

\documentclass{sample}
\makeatletter
\def\thickhrulefill{\leavevmode \leaders \hrule height 1ex \hfill \kern \z@}
\def\@makechapterhead#1{%
  \vspace*{10\p@}%
  {\parindent \z@ \centering \reset@font
        {\Huge \scshape \thechapter}
        \par\nobreak
        \vspace*{10\p@}%
        \interlinepenalty\@M
        \thickhrulefill
        \par\nobreak
        \vspace*{2\p@}%
        {\Huge \bfseries #1\par\nobreak}
        \par\nobreak
        \vspace*{2\p@}%
        \thickhrulefill
    %\vskip 40\p@
    \vskip 100\p@
  }}
\def\@makeschapterhead#1{%
  \vspace*{10\p@}%
  {\parindent \z@ \centering \reset@font
        {\Huge \scshape \vphantom{\thechapter}}
        \par\nobreak
        \vspace*{10\p@}%
        \interlinepenalty\@M
        \thickhrulefill
        \par\nobreak
        \vspace*{2\p@}%
        {\Huge \bfseries #1\par\nobreak}
        \par\nobreak
        \vspace*{2\p@}%
        \thickhrulefill
    \vskip 100\p@
  }}
\begin{document}
\chapter*{Introduction}
\end{document}


17

\documentclass{sample}
\makeatletter
\def\thickhrulefill{\leavevmode \leaders \hrule height 1ex \hfill \kern \z@}
\def\@makechapterhead#1{%
  \vspace*{10\p@}%
  {\parindent \z@ \centering \reset@font
        {\Huge \scshape \thechapter}
        \par\nobreak
        \vspace*{10\p@}%
        \interlinepenalty\@M
        \thickhrulefill
        \par\nobreak
        \vspace*{2\p@}%
        {\Huge \bfseries #1\par\nobreak}
        \par\nobreak
        \vspace*{2\p@}%
        \thickhrulefill
    %\vskip 40\p@
    \vskip 100\p@
  }}
\def\@makeschapterhead#1{%
  \vspace*{10\p@}%
  {\parindent \z@ \centering \reset@font
        {\Huge \scshape \vphantom{\thechapter}}
        \par\nobreak
        \vspace*{10\p@}%
        \interlinepenalty\@M
        \thickhrulefill
        \par\nobreak
        \vspace*{2\p@}%
        {\Huge \bfseries #1\par\nobreak}
        \par\nobreak
        \vspace*{2\p@}%
        \thickhrulefill
    \vskip 100\p@
  }}
\begin{document}
\chapter{Introduction}
\end{document}


18

\documentclass{sample}
\makeatletter
\def\thickhrulefill{\leavevmode \leaders \hrule height 1ex \hfill \kern \z@}
\def\@makechapterhead#1{%
  \vspace*{10\p@}%
  {\parindent \z@ \centering \reset@font
        {\Huge \scshape \thechapter}
        \par\nobreak
        \vspace*{15\p@}%
        \interlinepenalty\@M
        \begin{tabular}{@{\qquad}c@{\qquad}}
          \hline
          \\
          {\Huge \bfseries #1\par\nobreak} \\
          \\
          \hline
        \end{tabular}
    \vskip 100\p@
  }}
\def\@makeschapterhead#1{%
  \vspace*{10\p@}%
  {\parindent \z@ \centering \reset@font
        {\Huge \scshape \vphantom{\thechapter}}
        \par\nobreak
        \vspace*{15\p@}%
        \interlinepenalty\@M
        \begin{tabular}{@{\qquad}c@{\qquad}}
          \hline
          \\
          {\Huge \bfseries #1\par\nobreak} \\
          \\
          \hline
        \end{tabular}
    \vskip 100\p@
  }}
\begin{document}
\chapter*{Introduction}
\end{document}


19

\documentclass{sample}
\makeatletter
\def\thickhrulefill{\leavevmode \leaders \hrule height 1ex \hfill \kern \z@}
\def\@makechapterhead#1{%
  \vspace*{10\p@}%
  {\parindent \z@ \centering \reset@font
        {\Huge \scshape \thechapter}
        \par\nobreak
        \vspace*{15\p@}%
        \interlinepenalty\@M
        \begin{tabular}{@{\qquad}c@{\qquad}}
          \hline
          \\
          {\Huge \bfseries #1\par\nobreak} \\
          \\
          \hline
        \end{tabular}
    \vskip 100\p@
  }}
\def\@makeschapterhead#1{%
  \vspace*{10\p@}%
  {\parindent \z@ \centering \reset@font
        {\Huge \scshape \vphantom{\thechapter}}
        \par\nobreak
        \vspace*{15\p@}%
        \interlinepenalty\@M
        \begin{tabular}{@{\qquad}c@{\qquad}}
          \hline
          \\
          {\Huge \bfseries #1\par\nobreak} \\
          \\
          \hline
        \end{tabular}
    \vskip 100\p@
  }}
\begin{document}
\chapter{Introduction}
\end{document}


20

\documentclass{sample}
\makeatletter
\def\thickhrulefill{\leavevmode \leaders \hrule height 1ex \hfill \kern \z@}
\def\@makechapterhead#1{%
  \vspace*{10\p@}%
  {\parindent \z@ \centering \reset@font
        {\Huge \scshape \thechapter}
        \par\nobreak
        \vspace*{15\p@}%
        \interlinepenalty\@M
        \setlength{\arrayrulewidth}{2pt}
        \begin{tabular}{@{\qquad}c@{\qquad}}
          \hline
          \\
          {\Huge \bfseries #1\par\nobreak} \\
          \\
          \hline
        \end{tabular}
    \vskip 100\p@
  }}
\def\@makeschapterhead#1{%
  \vspace*{10\p@}%
  {\parindent \z@ \centering \reset@font
        {\Huge \scshape \vphantom{\thechapter}}
        \par\nobreak
        \vspace*{15\p@}%
        \interlinepenalty\@M
        \setlength{\arrayrulewidth}{2pt}
        \begin{tabular}{@{\qquad}c@{\qquad}}
          \hline
          \\
          {\Huge \bfseries #1\par\nobreak} \\
          \\
          \hline
        \end{tabular}
    \vskip 100\p@
  }}
\begin{document}
\chapter*{Introduction}
\end{document}


21

\documentclass{sample}
\makeatletter
\def\thickhrulefill{\leavevmode \leaders \hrule height 1ex \hfill \kern \z@}
\def\@makechapterhead#1{%
  \vspace*{10\p@}%
  {\parindent \z@ \centering \reset@font
        {\Huge \scshape \thechapter}
        \par\nobreak
        \vspace*{15\p@}%
        \interlinepenalty\@M
        \setlength{\arrayrulewidth}{2pt}
        \begin{tabular}{@{\qquad}c@{\qquad}}
          \hline
          \\
          {\Huge \bfseries #1\par\nobreak} \\
          \\
          \hline
        \end{tabular}
    \vskip 100\p@
  }}
\def\@makeschapterhead#1{%
  \vspace*{10\p@}%
  {\parindent \z@ \centering \reset@font
        {\Huge \scshape \vphantom{\thechapter}}
        \par\nobreak
        \vspace*{15\p@}%
        \interlinepenalty\@M
        \setlength{\arrayrulewidth}{2pt}
        \begin{tabular}{@{\qquad}c@{\qquad}}
          \hline
          \\
          {\Huge \bfseries #1\par\nobreak} \\
          \\
          \hline
        \end{tabular}
    \vskip 100\p@
  }}
\begin{document}
\chapter{Introduction}
\end{document}


22

\documentclass{sample}
\makeatletter
\def\thickhrulefill{\leavevmode \leaders \hrule height 1ex \hfill \kern \z@}
\def\@makechapterhead#1{%
  \vspace*{10\p@}%
  {\parindent \z@ \centering \reset@font
        {\Huge\bfseries \thechapter }
        \par\nobreak
        \vspace*{10\p@}%
        \interlinepenalty\@M
        \hrule
        \vspace*{10\p@}%
        \Huge \bfseries #1\par\nobreak
        \par
        \vspace*{10\p@}%
    \vskip 100\p@
  }}
\def\@makeschapterhead#1{%
  \vspace*{10\p@}%
  {\parindent \z@ \centering \reset@font
        {\Huge\bfseries \vphantom{\thechapter} }
        \par\nobreak
        \vspace*{10\p@}%
        \interlinepenalty\@M
        \hrule
        \vspace*{10\p@}%
        \Huge \bfseries #1\par\nobreak
        \par
        \vspace*{10\p@}%
    \vskip 100\p@
  }}
\begin{document}
\chapter*{Introduction}
\end{document}


23

\documentclass{sample}
\makeatletter
\def\thickhrulefill{\leavevmode \leaders \hrule height 1ex \hfill \kern \z@}
\def\@makechapterhead#1{%
  \vspace*{10\p@}%
  {\parindent \z@ \centering \reset@font
        {\Huge\bfseries \thechapter }
        \par\nobreak
        \vspace*{10\p@}%
        \interlinepenalty\@M
        \hrule
        \vspace*{10\p@}%
        \Huge \bfseries #1\par\nobreak
        \par
        \vspace*{10\p@}%
    \vskip 100\p@
  }}
\def\@makeschapterhead#1{%
  \vspace*{10\p@}%
  {\parindent \z@ \centering \reset@font
        {\Huge\bfseries \vphantom{\thechapter} }
        \par\nobreak
        \vspace*{10\p@}%
        \interlinepenalty\@M
        \hrule
        \vspace*{10\p@}%
        \Huge \bfseries #1\par\nobreak
        \par
        \vspace*{10\p@}%
    \vskip 100\p@
  }}
\begin{document}
\chapter{Introduction}
\end{document}


24

\documentclass{sample}
\makeatletter
\def\thickhrulefill{\leavevmode \leaders \hrule height 1ex \hfill \kern \z@}
\def\@makechapterhead#1{%
  {\parindent \z@ \raggedright
    \reset@font
    \hrule
    \vspace*{10\p@}%
    \par
    \Large \scshape \@chapapp{} \Huge\bfseries \thechapter
    \par\nobreak
    \vspace*{10\p@}%
    \hrule
    \par
    \vspace*{1\p@}%
    \hrule
    %\vskip 40\p@
    \vspace*{20\p@}
    \Huge \bfseries #1\par\nobreak
    \vskip 70\p@
  }}

\def\section#1{%
  \par\bigskip\bigskip
  \hrule\par\nobreak\noindent
  \refstepcounter{section}%
  \addcontentsline{toc}{chapter}{#1}%
  \reset@font 
  { \Large \bfseries
    \strut\S \thesection \quad
    #1}%    
  \par
  \medskip
}

\begin{document}
\chapter{Introduction}
\section{Début}
Bla, bla bla bla, bla bla bla, bla bla bla, bla bla bla.
Bla, bla bla bla, bla bla bla, bla bla bla, bla bla bla.
Bla, bla bla bla, bla bla bla, bla bla bla, bla bla bla.
Bla, bla bla bla, bla bla bla, bla bla bla, bla bla bla.
Bla, bla bla bla, bla bla bla, bla bla bla, bla bla bla.

Bla, bla bla bla, bla bla bla, bla bla bla, bla bla bla.
Bla, bla bla bla, bla bla bla, bla bla bla, bla bla bla.
Bla, bla bla bla, bla bla bla, bla bla bla, bla bla bla.
Bla, bla bla bla, bla bla bla, bla bla bla, bla bla bla.
Bla, bla bla bla, bla bla bla, bla bla bla, bla bla bla.

\section{Suite}
Bla, bla bla bla, bla bla bla, bla bla bla, bla bla bla.
Bla, bla bla bla, bla bla bla, bla bla bla, bla bla bla.
Bla, bla bla bla, bla bla bla, bla bla bla, bla bla bla.
\end{document}


25

\documentclass{sample}
\makeatletter
\def\thickhrulefill{\leavevmode \leaders \hrule height 1ex \hfill \kern \z@}
\def\@makechapterhead#1{%
  \vspace*{10\p@}%
  {\parindent \z@ \raggedleft \reset@font
            \scshape \@chapapp{} \thechapter
        \par\nobreak
        \interlinepenalty\@M
    \Huge \bfseries #1\par\nobreak
    %\vspace*{1\p@}%
    \hrulefill
    \par\nobreak
    \vskip 100\p@
  }}
\def\@makeschapterhead#1{%
  \vspace*{10\p@}%
  {\parindent \z@ \raggedleft \reset@font
            \scshape \vphantom{\@chapapp{} \thechapter}
        \par\nobreak
        \interlinepenalty\@M
    \Huge \bfseries #1\par\nobreak
    %\vspace*{1\p@}%
    \hrulefill
    \par\nobreak
    \vskip 100\p@
  }}
\begin{document}
\chapter*{Introduction}
\end{document}


26

\documentclass{sample}
\makeatletter
\def\thickhrulefill{\leavevmode \leaders \hrule height 1ex \hfill \kern \z@}
\def\@makechapterhead#1{%
  \vspace*{10\p@}%
  {\parindent \z@ \raggedleft \reset@font
            \scshape \@chapapp{} \thechapter
        \par\nobreak
        \interlinepenalty\@M
    \Huge \bfseries #1\par\nobreak
    %\vspace*{1\p@}%
    \hrulefill
    \par\nobreak
    \vskip 100\p@
  }}
\def\@makeschapterhead#1{%
  \vspace*{10\p@}%
  {\parindent \z@ \raggedleft \reset@font
            \scshape \vphantom{\@chapapp{} \thechapter}
        \par\nobreak
        \interlinepenalty\@M
    \Huge \bfseries #1\par\nobreak
    %\vspace*{1\p@}%
    \hrulefill
    \par\nobreak
    \vskip 100\p@
  }}
\begin{document}
\chapter{Introduction}
\end{document}


27

\documentclass{sample}
\makeatletter
\def\thickhrulefill{\leavevmode \leaders \hrule height 1ex \hfill \kern \z@}
\def\@makechapterhead#1{%
  \vspace*{10\p@}%
  {\parindent \z@ 
    {\raggedleft \reset@font
      \scshape \@chapapp{} \thechapter\par\nobreak}%
    \par\nobreak
    \vspace*{30\p@}
    \interlinepenalty\@M
    {\raggedright \Huge \bfseries #1}%
    \par\nobreak
    \hrulefill
    \par\nobreak
    \vskip 100\p@
  }}
\def\@makeschapterhead#1{%
  \vspace*{10\p@}%
  {\parindent \z@ 
    {\raggedleft \reset@font
      \scshape \vphantom{\@chapapp{} \thechapter}\par\nobreak}%
    \par\nobreak
    \vspace*{30\p@}
    \interlinepenalty\@M
    {\raggedright \Huge \bfseries #1}%
    \par\nobreak
    \hrulefill
    \par\nobreak
    \vskip 100\p@
  }}
\begin{document}
\chapter*{Introduction}
\end{document}


28

\documentclass{sample}
\makeatletter
\def\thickhrulefill{\leavevmode \leaders \hrule height 1ex \hfill \kern \z@}
\def\@makechapterhead#1{%
  \vspace*{10\p@}%
  {\parindent \z@ 
    {\raggedleft \reset@font
      \scshape \@chapapp{} \thechapter\par\nobreak}%
    \par\nobreak
    \vspace*{30\p@}
    \interlinepenalty\@M
    {\raggedright \Huge \bfseries #1}%
    \par\nobreak
    \hrulefill
    \par\nobreak
    \vskip 100\p@
  }}
\def\@makeschapterhead#1{%
  \vspace*{10\p@}%
  {\parindent \z@ 
    {\raggedleft \reset@font
      \scshape \vphantom{\@chapapp{} \thechapter}\par\nobreak}%
    \par\nobreak
    \vspace*{30\p@}
    \interlinepenalty\@M
    {\raggedright \Huge \bfseries #1}%
    \par\nobreak
    \hrulefill
    \par\nobreak
    \vskip 100\p@
  }}
\begin{document}
\chapter{Introduction}
\end{document}


29

\documentclass{sample}
\makeatletter
\def\thickhrulefill{\leavevmode \leaders \hrule height 1ex \hfill \kern \z@}
\def\@makechapterhead#1{%
  \vspace*{10\p@}%
  {\parindent \z@ 
    {\raggedleft \reset@font
      \fontsize{15ex}{15ex}\selectfont %Problème avec les substitutions...
      \bfseries\thechapter\par\nobreak}%
    \par\nobreak
    \interlinepenalty\@M
    {\raggedright \Huge \bfseries #1}%
    \par\nobreak
    \hrulefill
    \par\nobreak
    \vskip 100\p@
  }}
\def\@makeschapterhead#1{%
  \vspace*{10\p@}%
  {\parindent \z@ 
    {\raggedleft \reset@font
      \fontsize{15ex}{15ex}\selectfont %Problème avec les substitutions...
      \bfseries\vphantom{\thechapter}\par\nobreak}%
    \par\nobreak
    \interlinepenalty\@M
    {\raggedright \Huge \bfseries #1}%
    \par\nobreak
    \hrulefill
    \par\nobreak
    \vskip 100\p@
  }}
\begin{document}
\chapter*{Introduction}
\end{document}


30

\documentclass{sample}
\makeatletter
\def\thickhrulefill{\leavevmode \leaders \hrule height 1ex \hfill \kern \z@}
\def\@makechapterhead#1{%
  \vspace*{10\p@}%
  {\parindent \z@ 
    {\raggedleft \reset@font
      \fontsize{15ex}{15ex}\selectfont %Problème avec les substitutions...
      \bfseries\thechapter\par\nobreak}%
    \par\nobreak
    \interlinepenalty\@M
    {\raggedright \Huge \bfseries #1}%
    \par\nobreak
    \hrulefill
    \par\nobreak
    \vskip 100\p@
  }}
\def\@makeschapterhead#1{%
  \vspace*{10\p@}%
  {\parindent \z@ 
    {\raggedleft \reset@font
      \fontsize{15ex}{15ex}\selectfont %Problème avec les substitutions...
      \bfseries\vphantom{\thechapter}\par\nobreak}%
    \par\nobreak
    \interlinepenalty\@M
    {\raggedright \Huge \bfseries #1}%
    \par\nobreak
    \hrulefill
    \par\nobreak
    \vskip 100\p@
  }}
\begin{document}
\chapter{Introduction}
\end{document}


31

\documentclass{sample}
\makeatletter
\def\thickhrulefill{\leavevmode \leaders \hrule height 1ex \hfill \kern \z@}
\def\@makechapterhead#1{%
  \vspace*{10\p@}%
  {\parindent \z@ \centering \reset@font
        \thickhrulefill
        \par\nobreak
        \scshape \@chapapp{} \strut\thechapter
        \par\nobreak
        \interlinepenalty\@M
        \hrule
        \vspace*{10\p@}%
        {\Huge \bfseries #1}\par\nobreak
        \thickhrulefill
        \vspace*{10\p@}%
    \vskip 100\p@
  }}
\def\@makeschapterhead#1{%
  \vspace*{10\p@}%
  {\parindent \z@ \centering \reset@font
        \thickhrulefill
        \par\nobreak
        {\Huge \bfseries \strut #1}\par\nobreak
        \interlinepenalty\@M
        \hrule
        \vspace*{10\p@}%
    \vskip 100\p@
  }}
\begin{document}
\chapter*{Introduction}
\end{document}


32

\documentclass{sample}
\makeatletter
\def\thickhrulefill{\leavevmode \leaders \hrule height 1ex \hfill \kern \z@}
\def\@makechapterhead#1{%
  \vspace*{10\p@}%
  {\parindent \z@ \centering \reset@font
        \thickhrulefill
        \par\nobreak
        \scshape \@chapapp{} \strut\thechapter
        \par\nobreak
        \interlinepenalty\@M
        \hrule
        \vspace*{10\p@}%
        {\Huge \bfseries #1}\par\nobreak
        \thickhrulefill
        \vspace*{10\p@}%
    \vskip 100\p@
  }}
\def\@makeschapterhead#1{%
  \vspace*{10\p@}%
  {\parindent \z@ \centering \reset@font
        \thickhrulefill
        \par\nobreak
        {\Huge \bfseries \strut #1}\par\nobreak
        \interlinepenalty\@M
        \hrule
        \vspace*{10\p@}%
    \vskip 100\p@
  }}
\begin{document}
\chapter{Introduction}
\end{document}


33

\documentclass{sample}
\makeatletter
\def\thickhrulefill{\leavevmode \leaders \hrule height 1ex \hfill \kern \z@}
\def\@makechapterhead#1{%
  \vspace*{10\p@}%
  {\parindent \z@ 
        \raggedleft
        \reset@font\huge\bfseries
        \begin{tabular}{c|p{15cm}}
          {\qquad\thechapter{}\  }
          &\quad
          \Huge #1
        \end{tabular}
        \par\nobreak
    \vskip 100\p@
  }}
\def\@makeschapterhead#1{%
  \vspace*{10\p@}%
  {\parindent \z@ 
        \raggedleft
        \reset@font\huge\bfseries
        \begin{tabular}{cp{15cm}}
          {\qquad\hphantom{\thechapter{}}\  }
          &\quad
          \Huge #1
        \end{tabular}
        \par\nobreak
    \vskip 100\p@
  }}
\begin{document}
\chapter*{Introduction}
\end{document}


34

\documentclass{sample}
\makeatletter
\def\thickhrulefill{\leavevmode \leaders \hrule height 1ex \hfill \kern \z@}
\def\@makechapterhead#1{%
  \vspace*{10\p@}%
  {\parindent \z@ 
        \raggedleft
        \reset@font\huge\bfseries
        \begin{tabular}{c|p{15cm}}
          {\qquad\thechapter{}\  }
          &\quad
          \Huge #1
        \end{tabular}
        \par\nobreak
    \vskip 100\p@
  }}
\def\@makeschapterhead#1{%
  \vspace*{10\p@}%
  {\parindent \z@ 
        \raggedleft
        \reset@font\huge\bfseries
        \begin{tabular}{cp{15cm}}
          {\qquad\hphantom{\thechapter{}}\  }
          &\quad
          \Huge #1
        \end{tabular}
        \par\nobreak
    \vskip 100\p@
  }}
\begin{document}
\chapter{Introduction}
\end{document}


35

\documentclass{sample}
\makeatletter
\def\thickhrulefill{\leavevmode \leaders \hrule height 1ex \hfill \kern \z@}
\def\@makechapterhead#1{%
  \reset@font
  \vspace*{10\p@}%
  {\parindent \z@ 
    \begin{flushleft}
      \reset@font \scshape \bfseries \Huge \thechapter \par
    \end{flushleft}
    \hrule
    \begin{flushleft}
      \reset@font \LARGE \strut #1\strut \par
    \end{flushleft}
    \vskip 100\p@
  }}
\def\@makeschapterhead#1{%
  \reset@font
  \vspace*{10\p@}%
  {\parindent \z@ 
    \begin{flushleft}
      \reset@font \scshape \bfseries \Huge \vphantom{\thechapter} \par
    \end{flushleft}
    \hrule
    \begin{flushleft}
      \reset@font \LARGE \strut #1\strut \par
    \end{flushleft}
    \vskip 100\p@
  }}
\begin{document}
\chapter{Introduction}
\end{document}


36

\documentclass{sample}
\makeatletter
\def\thickhrulefill{\leavevmode \leaders \hrule height 1ex \hfill \kern \z@}
\def\@makechapterhead#1{%
  \reset@font
  \parindent \z@ 
  \vspace*{10\p@}%
  \hbox{%
    \vbox{\hsize=2cm
      \begin{tabular}{c}
        \scshape \strut \@chapapp{} \\
        \fbox{%
          \vrule depth 10em width 0pt%
          \vrule height 0pt depth 0pt width 1ex%
          {\LARGE \bfseries \strut \thechapter}%
          \vrule height 0pt depth 0pt width 1ex%
          }
      \end{tabular}%
      }%
    \vbox{%
      \advance\hsize by -2cm
      \hrule\par
      \vskip 6pt%
      \hspace{1em}%
      \Huge \bfseries #1
      }%
    }%
  \vskip 100\p@
}
\def\@makeschapterhead#1{%
  \reset@font
  \parindent \z@ 
  \vspace*{10\p@}%
 \hbox{%
    \vbox{\hsize=2cm
      \begin{tabular}{c}
        \scshape \strut \vphantom{\@chapapp{}} \hphantom{\@chapapp{}} \\
        \fbox{%
          \vrule depth 10em width 0pt%
          \vrule height 0pt depth 0pt width 1ex%
          {\LARGE \bfseries \strut \hphantom{\thechapter}}%
          \vrule height 0pt depth 0pt width 1ex%
          }
      \end{tabular}%
      }%
    \vbox{%
      \advance\hsize by -2cm    
      \hrule\par
      \vskip 6pt%
      \hspace{1em}%
      \Huge \bfseries #1
      }%
    }%
  \vskip 100\p@
}
\begin{document}
\chapter*{Introduction}
\end{document}


37

\documentclass{sample}
\makeatletter
\def\thickhrulefill{\leavevmode \leaders \hrule height 1ex \hfill \kern \z@}
\def\@makechapterhead#1{%
  \reset@font
  \parindent \z@ 
  \vspace*{10\p@}%
  \hbox{%
    \vbox{\hsize=2cm
      \begin{tabular}{c}
        \scshape \strut \@chapapp{} \\
        \fbox{%
          \vrule depth 10em width 0pt%
          \vrule height 0pt depth 0pt width 1ex%
          {\LARGE \bfseries \strut \thechapter}%
          \vrule height 0pt depth 0pt width 1ex%
          }
      \end{tabular}%
      }%
    \vbox{%
      \advance\hsize by -2cm
      \hrule\par
      \vskip 6pt%
      \hspace{1em}%
      \Huge \bfseries #1
      }%
    }%
  \vskip 100\p@
}
\def\@makeschapterhead#1{%
  \reset@font
  \parindent \z@ 
  \vspace*{10\p@}%
 \hbox{%
    \vbox{\hsize=2cm
      \begin{tabular}{c}
        \scshape \strut \vphantom{\@chapapp{}} \hphantom{\@chapapp{}} \\
        \fbox{%
          \vrule depth 10em width 0pt%
          \vrule height 0pt depth 0pt width 1ex%
          {\LARGE \bfseries \strut \hphantom{\thechapter}}%
          \vrule height 0pt depth 0pt width 1ex%
          }
      \end{tabular}%
      }%
    \vbox{%
      \advance\hsize by -2cm    
      \hrule\par
      \vskip 6pt%
      \hspace{1em}%
      \Huge \bfseries #1
      }%
    }%
  \vskip 100\p@
}
\begin{document}
\chapter{Introduction}
\end{document}


38

\documentclass{sample}
\usepackage{psboxit,pstcol}
\makeatletter
\def\thickhrulefill{\leavevmode \leaders \hrule height 1ex \hfill \kern \z@}
\def\@makechapterhead#1{%
  \reset@font
  \parindent \z@ 
  \vspace*{10\p@}%
  \hbox{%
    \vbox{%
      \hsize=2cm%
      \begin{tabular}{c}
        \scshape \strut \@chapapp{} \\
        \psboxit{box 0 0 0 setrgbcolor fill}{%
          \vrule depth 8em width 0pt%
          \vrule height 0pt depth 0pt width 10pt%
          {\white \LARGE \bfseries 
            \strut \vrule height 1em depth 0pt width 0pt
            \thechapter}%
          \vrule height 0pt depth 0pt width 10pt%
          }
      \end{tabular}%
      }%
    \vbox{%
      \advance\hsize by -2cm
      \hrule height 0.4pt depth 0pt width \hsize
      \par
      \vskip 6pt%
      \hspace{20pt}%
      \parbox{260pt}{%
        \Huge \bfseries #1}%
      }%
    }%
  \vskip 100\p@
}
\def\@makeschapterhead#1{%
  \reset@font
  \parindent \z@ 
  \vspace*{10\p@}%
  \hbox{%
    \vbox{%
      \hsize=2cm%
      \begin{tabular}{c}
        \scshape \strut \phantom{\@chapapp{}} \\
        \psboxit{box 0 0 0 setrgbcolor fill}{%
          \vrule depth 8em width 0pt%
          \vrule height 0pt depth 0pt width 10pt%
          {\white \LARGE \bfseries 
            \strut \vrule height 1em depth 0pt width 0pt
            \vphantom{\thechapter}}%
          \vrule height 0pt depth 0pt width 10pt%
          }
      \end{tabular}%
      }%
    \vbox{%
      \advance\hsize by -2cm
      \hrule height 0.4pt depth 0pt width \hsize
      \par
      \vskip 6pt%
      \hspace{20pt}%
      \parbox{260pt}{%
        \Huge \bfseries #1}%
      }%
    }%
  \vskip 100\p@
}
\begin{document}
\chapter*{Introduction}
\end{document}


39

\documentclass{sample}
\usepackage{psboxit,pstcol}
\makeatletter
\def\thickhrulefill{\leavevmode \leaders \hrule height 1ex \hfill \kern \z@}
\def\@makechapterhead#1{%
  \reset@font
  \parindent \z@ 
  \vspace*{10\p@}%
  \hbox{%
    \vbox{%
      \hsize=2cm%
      \begin{tabular}{c}
        \scshape \strut \@chapapp{} \\
        \psboxit{box 0 0 0 setrgbcolor fill}{%
          \vrule depth 8em width 0pt%
          \vrule height 0pt depth 0pt width 10pt%
          {\white \LARGE \bfseries 
            \strut \vrule height 1em depth 0pt width 0pt
            \thechapter}%
          \vrule height 0pt depth 0pt width 10pt%
          }
      \end{tabular}%
      }%
    \vbox{%
      \advance\hsize by -2cm
      \hrule height 0.4pt depth 0pt width \hsize
      \par
      \vskip 6pt%
      \hspace{20pt}%
      \parbox{260pt}{%
        \Huge \bfseries #1}%
      }%
    }%
  \vskip 100\p@
}
\def\@makeschapterhead#1{%
  \reset@font
  \parindent \z@ 
  \vspace*{10\p@}%
  \hbox{%
    \vbox{%
      \hsize=2cm%
      \begin{tabular}{c}
        \scshape \strut \phantom{\@chapapp{}} \\
        \psboxit{box 0 0 0 setrgbcolor fill}{%
          \vrule depth 8em width 0pt%
          \vrule height 0pt depth 0pt width 10pt%
          {\white \LARGE \bfseries 
            \strut \vrule height 1em depth 0pt width 0pt
            \vphantom{\thechapter}}%
          \vrule height 0pt depth 0pt width 10pt%
          }
      \end{tabular}%
      }%
    \vbox{%
      \advance\hsize by -2cm
      \hrule height 0.4pt depth 0pt width \hsize
      \par
      \vskip 6pt%
      \hspace{20pt}%
      \parbox{260pt}{%
        \Huge \bfseries #1}%
      }%
    }%
  \vskip 100\p@
}
\begin{document}
\chapter{Introduction}
\end{document}


40

\documentclass{sample}
\usepackage{psboxit,pstcol,graphicx}
\makeatletter
\newcommand{\BoxedLetter}[1]{%
  \psboxit{box 0.5 0.5 0.5 setrgbcolor fill}%
  {\hbox to 2ex{\hss \vrule width 0pt height 1.9ex depth 0.3ex \white #1\hss}}%
  }
\def\empty{}
\def\WordWithBoxedLetters#1{\WordWithBoxedLetters@#1@}
\def\WordWithBoxedLetters@#1#2@{%
  \def\tmpa{#2}%
  \BoxedLetter{#1}%
  \ifx\tmpa\empty\else\hfill\WordWithBoxedLetters@#2@\fi
}
\def\WordWithUnBoxedLetters#1{\WordWithUnBoxedLetters@#1@}
\def\WordWithUnBoxedLetters@#1#2@{%
  \def\tmpa{#2}%
  \mbox{#1}%
  \ifx\tmpa\empty\else\hfill\WordWithBoxedLetters@#2@\fi
}
\def\@makechapterhead#1{%
  {\parindent \z@ \raggedright \reset@font
    \large
    \fbox{\includegraphics[width=9.5em]{dessin.eps}}
    \par
    \vskip 5\p@
    \hbox to 10em{%
      \WordWithBoxedLetters{CHAPITRE}%
      }%
    \par
    \vskip 5\p@
    \hbox to 10em{%
      \edef\tmpa{\ifcase \thechapter
      \or UN\or DEUX\or TROIS\or QUATRE\or CINQ\or SIX\or SEPT\or
      HUIT\or NEUF\or DIX\or ONZE\or DOUZE\or TREIZE\or QUATORZE\or
      QUINZE\or SEIZE\or DIX-SEPT\or DIX-HUIT\or DIX-NEUF\or
      VINGT\else INFINI\fi}%
      \expandafter\WordWithBoxedLetters\expandafter{\tmpa}%
      }%
    \par
    \vskip 10\p@
    \hrule height 1pt
    \vskip 20\p@
    \reset@font\LARGE\itshape\bfseries\strut #1\par
    \vskip 100\p@
  }}
\def\@makeschapterhead#1{%
  {\parindent \z@ \raggedright \reset@font
    \large
    \fbox{\includegraphics[width=9.5em]{dessin.eps}}
    \par
    \vskip 10\p@
    \hrule height 1pt
    \vskip 20\p@
    \reset@font\LARGE\itshape\bfseries\strut #1\par
    \vskip 100\p@
  }}

\begin{document}
\chapter*{Introduction}
\end{document}


41

\documentclass{sample}
\usepackage{psboxit,pstcol,graphicx}
\makeatletter
\newcommand{\BoxedLetter}[1]{%
  \psboxit{box 0.5 0.5 0.5 setrgbcolor fill}%
  {\hbox to 2ex{\hss \vrule width 0pt height 1.9ex depth 0.3ex \white #1\hss}}%
  }
\def\empty{}
\def\WordWithBoxedLetters#1{\WordWithBoxedLetters@#1@}
\def\WordWithBoxedLetters@#1#2@{%
  \def\tmpa{#2}%
  \BoxedLetter{#1}%
  \ifx\tmpa\empty\else\hfill\WordWithBoxedLetters@#2@\fi
}
\def\WordWithUnBoxedLetters#1{\WordWithUnBoxedLetters@#1@}
\def\WordWithUnBoxedLetters@#1#2@{%
  \def\tmpa{#2}%
  \mbox{#1}%
  \ifx\tmpa\empty\else\hfill\WordWithBoxedLetters@#2@\fi
}
\def\@makechapterhead#1{%
  {\parindent \z@ \raggedright \reset@font
    \large
    \fbox{\includegraphics[width=9.5em]{dessin.eps}}
    \par
    \vskip 5\p@
    \hbox to 10em{%
      \WordWithBoxedLetters{CHAPITRE}%
      }%
    \par
    \vskip 5\p@
    \hbox to 10em{%
      \edef\tmpa{\ifcase \thechapter
      \or UN\or DEUX\or TROIS\or QUATRE\or CINQ\or SIX\or SEPT\or
      HUIT\or NEUF\or DIX\or ONZE\or DOUZE\or TREIZE\or QUATORZE\or
      QUINZE\or SEIZE\or DIX-SEPT\or DIX-HUIT\or DIX-NEUF\or
      VINGT\else INFINI\fi}%
      \expandafter\WordWithBoxedLetters\expandafter{\tmpa}%
      }%
    \par
    \vskip 10\p@
    \hrule height 1pt
    \vskip 20\p@
    \reset@font\LARGE\itshape\bfseries\strut #1\par
    \vskip 100\p@
  }}
\def\@makeschapterhead#1{%
  {\parindent \z@ \raggedright \reset@font
    \large
    \fbox{\includegraphics[width=9.5em]{dessin.eps}}
    \par
    \vskip 10\p@
    \hrule height 1pt
    \vskip 20\p@
    \reset@font\LARGE\itshape\bfseries\strut #1\par
    \vskip 100\p@
  }}

\begin{document}
\chapter{Introduction}
\end{document}


42

\documentclass{sample}
\usepackage{pstcol}
\makeatletter
\def\LigneVerticale{\vrule height 5cm depth 2cm\hspace{0.1cm}\relax}
\def\LignesVerticales{%
  \let\LV\LigneVerticale\LV\LV\LV\LV\LV\LV\LV\LV\LV\LV}
\def\GrosCarreAvecUnChiffre#1{%
  \rlap{\vrule height 0.8cm width 1cm depth 0.2cm}%
  \rlap{\hbox to 1cm{\hss\mbox{\white #1}\hss}}%
  \vrule height 0pt width 1cm depth 0pt}

\def\@makechapterhead#1{\hbox{%
    \huge 
    \LignesVerticales
    \hspace{-0.5cm}%
    \GrosCarreAvecUnChiffre{\thechapter}
    \hspace{0.2cm}\hbox{#1}%
}\par\vskip 2cm}
\def\@makeschapterhead#1{\hbox{%
    \huge 
    \LignesVerticales
    %\hspace{0.5cm}%
    \hbox{#1}%
}\par\vskip 2cm}

\begin{document}
\chapter*{Introduction}
\end{document}


43

\documentclass{sample}
\usepackage{pstcol}
\makeatletter
\def\LigneVerticale{\vrule height 5cm depth 2cm\hspace{0.1cm}\relax}
\def\LignesVerticales{%
  \let\LV\LigneVerticale\LV\LV\LV\LV\LV\LV\LV\LV\LV\LV}
\def\GrosCarreAvecUnChiffre#1{%
  \rlap{\vrule height 0.8cm width 1cm depth 0.2cm}%
  \rlap{\hbox to 1cm{\hss\mbox{\white #1}\hss}}%
  \vrule height 0pt width 1cm depth 0pt}

\def\@makechapterhead#1{\hbox{%
    \huge 
    \LignesVerticales
    \hspace{-0.5cm}%
    \GrosCarreAvecUnChiffre{\thechapter}
    \hspace{0.2cm}\hbox{#1}%
}\par\vskip 2cm}
\def\@makeschapterhead#1{\hbox{%
    \huge 
    \LignesVerticales
    %\hspace{0.5cm}%
    \hbox{#1}%
}\par\vskip 2cm}

\begin{document}
\chapter{Introduction}
\end{document}


44

\documentclass{sample}
% Changement de la syntaxe de la commande \chapter
\usepackage{pstcol}
\makeatletter
\def\thickhrulefill{\leavevmode \leaders \hrule height 3pt \hfill \kern \z@}
\def\chapter#1#2{%
  \clearpage\reset@font
  \thispagestyle{plain}%
  \vspace*{10\p@}%
  {\centering \bfseries \LARGE \gray \MakeUppercase{#1}\par}%
  \vskip 0pt
  \thickhrulefill
  \vskip -22pt
  \par\hrulefill
  \vskip 6pt
  {\par \centering \scshape \large #2\par}
  \vskip 100\p@
  }
\begin{document}
\chapter{Introduction}{Bla bla bla bla}
\end{document}


45

\documentclass{sample}
% Changement de la syntaxe de la commande \chapter
\usepackage{helvet}
\usepackage{psboxit,pstcol,graphicx}
\makeatletter
\makeatletter
\def\@makechapterhead#1{%
  \parindent \z@ \raggedright \reset@font
  \hbox to \hsize{%
    \rlap{\raisebox{-2.5em}{\raisebox{\depth}{%
          \includegraphics[width=9.5em]{dessin.eps}}}}%
    \rlap{\hbox to 9.5em{\hss
        \reset@font\sffamily\fontsize{8em}{8em}\selectfont\white 
        \thechapter\hss}}%
    \hspace{10em}%
    \vbox{%
      \advance\hsize by -10em
      \reset@font\sffamily\bfseries\Huge
      #1
      \par
      }%
    }%
  \vskip 20pt
  \hrulefill
  \vskip 50pt
  }
\def\@makeschapterhead#1{%
  \parindent \z@ \raggedright \reset@font
  \hbox to \hsize{%
    \rlap{\raisebox{-2.5em}{\raisebox{\depth}{%
          \includegraphics[width=9.5em]{dessin.eps}}}}%
    \hspace{10em}%
    \vbox{%
      \advance\hsize by -10em
      \reset@font\sffamily\bfseries\Huge
      #1
      \par
      }%
    }%
  \vskip 20pt
  \hrulefill
  \vskip 50pt
}

\begin{document}
\chapter*{Introduction}
\end{document}


46

\documentclass{sample}
% Changement de la syntaxe de la commande \chapter
\usepackage{helvet}
\usepackage{psboxit,pstcol,graphicx}
\makeatletter
\makeatletter
\def\@makechapterhead#1{%
  \parindent \z@ \raggedright \reset@font
  \hbox to \hsize{%
    \rlap{\raisebox{-2.5em}{\raisebox{\depth}{%
          \includegraphics[width=9.5em]{dessin.eps}}}}%
    \rlap{\hbox to 9.5em{\hss
        \reset@font\sffamily\fontsize{8em}{8em}\selectfont\white 
        \thechapter\hss}}%
    \hspace{10em}%
    \vbox{%
      \advance\hsize by -10em
      \reset@font\sffamily\bfseries\Huge
      #1
      \par
      }%
    }%
  \vskip 20pt
  \hrulefill
  \vskip 50pt
  }
\def\@makeschapterhead#1{%
  \parindent \z@ \raggedright \reset@font
  \hbox to \hsize{%
    \rlap{\raisebox{-2.5em}{\raisebox{\depth}{%
          \includegraphics[width=9.5em]{dessin.eps}}}}%
    \hspace{10em}%
    \vbox{%
      \advance\hsize by -10em
      \reset@font\sffamily\bfseries\Huge
      #1
      \par
      }%
    }%
  \vskip 20pt
  \hrulefill
  \vskip 50pt
}

\begin{document}
\chapter{Introduction}
\end{document}


Automatically generated
ven avr 20 13:00:33 CEST 2001
Vincent Zoonekynd <zoonek@math.jussieu.fr>