% This example demonstrates adding a custom TrueType font
% to your Overleaf project. The custom font is Delphine,
% which was sourced from https://sjfonts.sourceforge.net
\documentclass{article}
\usepackage[T1]{fontenc}
\usepackage{iftex} % to access the \ifLuaTeX command
% NOTE: the following test is required for reasons explained
% in section 3 of The LuaTeX Reference Manual, available
% from CTAN: http://mirrors.ctan.org/systems/doc/luatex/luatex.pdf
\ifLuaTeX
\protected\def\pdfmapline {\pdfextension mapline }
\fi
% Use \pdfmapline to update pdfteX's font map---telling it
% about our custom font Delphine. The syntax used in \pdfmapline
% is described in "The pdfTeX user manual" which is available on
% CTAN: http://mirrors.ctan.org/systems/doc/pdftex/manual/pdftex-a.pdf
\pdfmapline{+delphine < Delphine.ttf <T1-WGL4.enc}
% Define a new command to use Delphine
\newcommand\delphinefont[1]{{\usefont{T1}{delphine}{m}{n} #1 }}
\title{Example: Using a Custom TrueType Font}
\author{Overleaf}
\begin{document}
\maketitle
Normal Font Text.
\Huge\delphinefont{Custom Font Text! À Á Â Ä Å á â ã ä å è é ê ë È É Ê Ë Ò Ó Ô Õ Ö}
\end{document}
