typographyLetter.tex

%%%%%%%%%%%%%%% LETTERS %%%%%%%%%%%%%%%%%

% <div class="lettre destinataire">
% **Destinataire**
% Adresse
% XXX Ville

% Par LRAR et par email
% </div>

% <div class="lettre date">
% Paris, le XX xxxxx 2021
% </div>

% <div class="lettre objet">
% </div>
%
% ---
% header-includes:
%   \usepackage{varioref}
%   \include{typography}
%   \include{typographyLetter}
%   \newenvironment{CSLReferences}{}{}
%   \newfontfamily\signfont[Scale=0.9]{Input Sans Narrow}
%   \newfontfamily\quotefont[Scale=1]{Inter Light}
% pandoc-latex-environment:
%   lettredest: [lettre, destinataire]
%   lettreobj: [lettre, objet]
%   lettreannexe: [lettre, annexe]
%   signature: [signature]
%   bordereau: [bordereau]
% ...

\usepackage{wallpaper}

\newenvironment{lettredest}{
\ThisCenterWallPaper{1}{/home/hugo/Modèles/entetes-cartes/lettre.pdf}

\begin{flushright}\begin{minipage}{6cm}
\vskip 2.5cm

\setlength{\parskip}{1.2em}
\renewcommand\para{}
}
{\vskip 1cm ~\end{minipage}\end{flushright}}


\newenvironment{lettreobj}{\renewcommand\para{}\vskip 1.5cm \bfseries Objet :}{\vskip 1cm}

\newenvironment{signature}{\begin{center}
\renewcommand\para{}
    \ifnum 0\ifxetex 1\fi\ifluatex 1\fi=0 % if pdftex
    \else % if luatex or xetex
    % define a signfont in your preamble with
    % \newfontfamily\signfont[Options]{Font}
        \ifx\signfont\undefined \else \signfont \fi
    \fi
  }
  {\end{center}}


\newenvironment{lettreannexe}{\cleardoublepage
\renewcommand\para{}

}{\cleardoublepage }