typography.tex.preamble

% vim: ft=tex

% ------------------------------------------------------------
%
%           MATH
%
% ------------------------------------------------------------
\usepackage{amsmath}
\everymath{\displaystyle}
\renewcommand{\arcsin}{\sin^{-1}}
\renewcommand{\arccos}{\cos^{-1}}
\renewcommand{\arctan}{\tan^{-1}}

% ------------------------------------------------------------
%
%           FONTS
%
% ------------------------------------------------------------
\usepackage{fontspec}
\usepackage{unicode-math}
\usepackage{fontawesome5}

\setmainfont{TeX Gyre Pagella}
\setmonofont{Iosevka Term}
\setmathfont{STIX Two Math} 
\setmathfont[range="20D0-"20FF]{TeX Gyre Pagella Math}
\setmathfont[range=bb]{TeX Gyre Termes Math}
\setmathfont[range=\int]{Latin Modern Math}
\setmathfont[range=\underbrace]{Latin Modern Math}

\newfontface{\emojifont}{Noto Color Emoji}[Renderer=Harfbuzz]


% ------------------------------------------------------------
%
%           COLOUR SCHEME
%
% ------------------------------------------------------------
\usepackage[dvipsnames]{xcolor}

% ============================================================
%  Western University brand colours
%  Source: https://brand.westernu.ca/visual-identity/colours.html
% ============================================================

% Primary colours
\definecolor{WesternPurple}{HTML}{4F2683}   % PMS 268 C | CMYK 82/100/0/12 | RGB 79/38/131
\definecolor{WesternWhite}{HTML}{FFFFFF}    % RGB 255/255/255
 
% Secondary colours
\definecolor{WesternOrchid}{HTML}{8F55E0}   % PMS 265 C | RGB 154/100/246
\definecolor{WesternDeepFocus}{HTML}{201436}% PMS 275 C | CMYK 85/90/45/60 | RGB 32/20/54
\definecolor{WesternBlack}{HTML}{000000}    % PMS Black 6C
\definecolor{WesternGrey}{HTML}{818284}     % PMS Cool Gray 6C | CMYK 0/0/0/60 | RGB 129/130/132
 
% Accent colours (use sparingly for small graphic elements only)
\definecolor{WesternSky}{HTML}{7DEAFB}      % CMYK 40/0/0/0   | RGB 125/234/250
\definecolor{WesternSpring}{HTML}{B9F876}   % CMYK 40/0/80/0  | RGB 185/248/118
\definecolor{WesternVivid}{HTML}{FCF05E}    % CMYK 5/0/75/0   | RGB 252/240/94
\definecolor{WesternTiger}{HTML}{F0A757}    % CMYK 0/20/80/0  | RGB 240/167/87

\definecolor{main}{HTML}{007355}  % teal
\definecolor{supp}{HTML}{82218B}  % purple
\definecolor{attn}{HTML}{B8860B}  % dark gold
\definecolor{warn}{HTML}{D20000}  % red
\definecolor{link}{HTML}{1A5C9A}  % blue

% highlight commands
\newcommand{\hlmain}[1]{{\color{main}#1}}
\newcommand{\hlsupp}[1]{{\color{supp}#1}}
\newcommand{\hlattn}[1]{{\color{attn}#1}}
\newcommand{\hlwarn}[1]{{\color{warn}#1}}

\newcommand{\emmain}[1]{{\color{main}\emph{#1}}}
\newcommand{\emsupp}[1]{{\color{supp}\emph{#1}}}
\newcommand{\emattn}[1]{{\color{attn}\emph{#1}}}
\newcommand{\emwarn}[1]{{\color{warn}\emph{#1}}}

\newcommand{\ulmain}[1]{{\color{main}\underline{#1}}}
\newcommand{\ulsupp}[1]{{\color{supp}\underline{#1}}}
\newcommand{\ulattn}[1]{{\color{attn}\underline{#1}}}
\newcommand{\ulwarn}[1]{{\color{warn}\underline{#1}}}

% update notes -- single source for main.tex, slides.tex and polls.tex
\newcommand{\updatenote}[1]{{\textcolor{magenta}{Updated. #1}}}

% URL
\NewDocumentCommand{\link}{O{}m}{%
  \IfBlankTF{#1}%
    {\href{#2}{{\footnotesize\ttfamily\color{link}{#2}\;\faExternalLink*}}}%
    {\href{#2}{{\footnotesize\ttfamily\color{link}{#1}\;\faExternalLink*}}}%
}

% A figure set beside the text rather than above it.  The body is the text;
% the figure is the argument, set flush right in an \rlap so it takes no
% horizontal space and \smash'ed so it takes none vertically, while
% \rightskip narrows the text column for as long as the environment lasts.
% Deliberately not a minipage: a minipage would impose its own list
% parameters, and the enumerate/itemize inside would lose the document's
% spacing.
%
%   \begin{sidefigure}{\includestandalone[page=3, width=\sidefigwidth]{...}}
%     text, lists, whatever
%   \end{sidefigure}
%
% The optional argument is the fraction of \textwidth the figure gets
% (default 0.38); \sidefigwidth is that width, for sizing the graphic, and
% \sidefiggutter is the space kept between the two columns.  If the figure
% is taller than the text beside it, the environment adds the difference as
% vertical space, so what follows starts below the figure.
\newlength{\sidefigwidth}
\newlength{\sidefiggutter}
\setlength{\sidefiggutter}{1.5em}
\newsavebox{\sidefigbox}
\NewDocumentEnvironment{sidefigure}{O{0.38} m}
  {\par
   \setlength{\sidefigwidth}{#1\textwidth}%
   \sbox{\sidefigbox}{#2}%
   \edef\sidefigystart{\the\pagetotal}%
   \begingroup
   % Narrow the writing column: \hsize carries the paragraphs and the list
   % items, \linewidth and \columnwidth carry anything that measures the
   % column for itself, such as \blanks.  Narrowing \rightskip instead
   % would not survive a list -- every \item resets it, and the items would
   % then run under the figure.
   \dimen0=\dimexpr\sidefigwidth+\sidefiggutter\relax
   \advance\hsize-\dimen0
   \advance\linewidth-\dimen0
   \advance\columnwidth-\dimen0
   \noindent\rlap{\hspace*{\dimexpr\textwidth-\sidefigwidth\relax}%
     \smash{\raisebox{-\height}{\usebox{\sidefigbox}}}}%
   \ignorespaces}
  {\par
   \endgroup
   % How much vertical space the text took; pad out to the figure's height
   % if it took less.  Capped at the figure height so a page break inside
   % the environment cannot turn this into a runaway skip.
   \dimen0=\dimexpr\ht\sidefigbox+\dp\sidefigbox-\pagetotal+\sidefigystart\relax
   \ifdim\dimen0>\dimexpr\ht\sidefigbox+\dp\sidefigbox\relax
     \dimen0=\dimexpr\ht\sidefigbox+\dp\sidefigbox\relax
   \fi
   \ifdim\dimen0>0pt\relax\vspace*{\dimen0}\fi}