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beamerthemegemini.sty
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beamerthemegemini.sty
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% Gemini theme
% https://github.com/anishathalye/gemini
% ====================
% Dependencies
% ====================
\RequirePackage{exscale}
\RequirePackage{ragged2e}
\RequirePackage{changepage}
\RequirePackage{fontspec}
\RequirePackage{calc}
% ====================
% Fonts
% ====================
\newfontfamily\Raleway[Ligatures=TeX]{Raleway}
\newfontfamily\Lato[Ligatures=TeX]{Lato}
\usefonttheme{professionalfonts}
\setsansfont{Lato}[
UprightFont=*-Light,
ItalicFont=*-LightItalic,
BoldFont=*-Regular,
BoldItalicFont=*-Italic
]
\setbeamerfont{headline}{family=\Raleway}
\setbeamerfont{headline title}{size=\Huge,series=\bfseries}
\setbeamerfont{headline author}{size=\Large}
\setbeamerfont{headline institute}{size=\normalsize}
\setbeamerfont{block title}{family=\Raleway,size=\large,series=\bfseries}
\setbeamerfont{heading}{family=\Lato,series=\bfseries}
\setbeamerfont{caption}{size=\small}
\setbeamerfont{footline}{family=\Raleway,size=\normalsize}
% ====================
% Macros
% ====================
\newcommand{\samelineand}{\qquad}
% ====================
% Elements
% ====================
% List
\def\@listi{\leftmargin\leftmarginii
\topsep 1ex % spacing before
\parsep 0\p@ \@plus\p@
\itemsep 0.5ex} % spacing between
% Itemize
\setbeamertemplate{itemize item}{\raise0.5ex \hbox{\vrule width 0.5ex height 0.5ex}}
\setbeamertemplate{itemize subitem}{\raise0.3ex \hbox{\vrule width 0.5ex height 0.5ex}}
\setbeamertemplate{itemize subsubitem}{\raise0.2ex \hbox{\vrule width 0.5ex height 0.5ex}}
% Enumerate
\setbeamertemplate{enumerate item}{\insertenumlabel.}
\setbeamertemplate{enumerate subitem}{\insertsubenumlabel.}
\setbeamertemplate{enumerate subsubitem}{\insertsubsubenumlabel.}
% Equation
\setlength\belowdisplayshortskip{2ex}
% Caption
\setbeamertemplate{caption}[numbered]
\setbeamertemplate{caption label separator}[period]
\setlength{\abovecaptionskip}{2ex}
\setlength{\belowcaptionskip}{1ex}
% Bibliography
\setbeamertemplate{bibliography item}[text]
% Navigation
\beamertemplatenavigationsymbolsempty
% ====================
% Components
% ====================
% Heading
\newcommand\heading[1]
{%
\par\bigskip
{\usebeamerfont{heading}\usebeamercolor[fg]{heading}#1}\par\smallskip
}
% logo
\newlength{\logoleftwidth}
\setlength{\logoleftwidth}{0cm}
\newlength{\logorightwidth}
\setlength{\logorightwidth}{0cm}
\newlength{\maxlogowidth} % space on both sides set to maxlogowidth to keep title centered
\setlength{\maxlogowidth}{0cm}
\newcommand{\logoright}[1]{
\newcommand{\insertlogoright}{#1}
\settowidth{\logorightwidth}{\insertlogoright}
\addtolength{\logorightwidth}{10ex}
\setlength{\maxlogowidth}{\maxof{\logoleftwidth}{\logorightwidth}}
}
\newcommand{\logoleft}[1]{
\newcommand{\insertlogoleft}{#1}
\settowidth{\logoleftwidth}{\insertlogoleft}
\addtolength{\logoleftwidth}{10ex}
\setlength{\maxlogowidth}{\maxof{\logoleftwidth}{\logorightwidth}}
}
% Headline
\setbeamertemplate{headline}
{
\begin{beamercolorbox}{headline}
\begin{columns}
\begin{column}{\maxlogowidth}
\vskip5ex
\ifdefined\insertlogoleft
\vspace*{\fill}
\hspace{10ex}
\raggedright
\insertlogoleft
\vspace*{\fill}
\else\fi
\end{column}
\begin{column}{\dimexpr\paperwidth-\maxlogowidth-\maxlogowidth}
\usebeamerfont{headline}
\vskip3ex
\centering
\ifx \inserttitle \empty \else
{\usebeamerfont{headline title}\usebeamercolor[fg]{headline title}\inserttitle\\[0.5ex]}
\fi
\ifx \beamer@shortauthor \empty \else
{\usebeamerfont{headline author}\usebeamercolor[fg]{headline author}\insertauthor\\[1ex]}
\fi
\ifx \insertinstitute \empty \else
{\usebeamerfont{headline institute}\usebeamercolor[fg]{headline institute}\insertinstitute\\[1ex]}
\fi
\end{column}
\begin{column}{\maxlogowidth}
\vskip5ex
\ifdefined\insertlogoright
\vspace*{\fill}
\raggedleft
\insertlogoright
\hspace{10ex}
\vspace*{\fill}
\else\fi
\end{column}
\end{columns}
\vspace{5ex}
\ifbeamercolorempty[bg]{headline rule}{}{
\begin{beamercolorbox}[wd=\paperwidth,colsep=0.5ex]{headline rule}\end{beamercolorbox}
}
\end{beamercolorbox}
}
% Block
\setbeamertemplate{block begin}
{
\begin{beamercolorbox}[colsep*=0ex,dp=2ex,center]{block title}
\vskip0pt
\usebeamerfont{block title}\insertblocktitle
\vskip-1.25ex
\begin{beamercolorbox}[colsep=0.025ex]{block separator}\end{beamercolorbox}
\end{beamercolorbox}
{\parskip0pt\par}
\usebeamerfont{block body}
\vskip-0.5ex
\begin{beamercolorbox}[colsep*=0ex]{block body}
\justifying
\setlength{\parskip}{1ex}
\vskip-2ex
}
\setbeamertemplate{block end}
{
\end{beamercolorbox}
\vskip0pt
\vspace*{2ex}
}
% Alert Block
\setbeamertemplate{block alerted begin}
{
\begin{beamercolorbox}[colsep*=0ex,dp=2ex,center]{block alerted title}
\vskip0pt
\usebeamerfont{block title}\insertblocktitle
\vskip-1.25ex
\begin{beamercolorbox}[colsep=0.025ex]{block alerted separator}\end{beamercolorbox}
\end{beamercolorbox}
{\parskip0pt\par}
\usebeamerfont{block body}
\vskip-0.5ex
\begin{beamercolorbox}[colsep*=0ex]{block alerted body}
\justifying
\begin{adjustwidth}{1ex}{1ex}
\setlength{\parskip}{1ex}
\vskip-2ex
}
\setbeamertemplate{block alerted end}
{
\end{adjustwidth}
\vskip1ex
\end{beamercolorbox}
\vskip0pt
\vspace*{2ex}
}
% Example Block
\setbeamertemplate{block example begin}
{
\begin{beamercolorbox}[colsep*=0ex,dp=2ex,center]{block example title}
\vskip0pt
\usebeamerfont{block title}\insertblocktitle
\vskip-1.25ex
\begin{beamercolorbox}[colsep=0.025ex]{block example separator}\end{beamercolorbox}
\end{beamercolorbox}
{\parskip0pt\par}
\usebeamerfont{block body}
\vskip-0.5ex
\begin{beamercolorbox}[colsep*=0ex]{block example body}
\justifying
\begin{adjustwidth}{1ex}{1ex}
\setlength{\parskip}{1ex}
\vskip-2ex
}
\setbeamertemplate{block example end}
{
\end{adjustwidth}
\vskip1ex
\end{beamercolorbox}
\vskip0pt
\vspace*{2ex}
}
% Footer
\newcommand{\footercontent}[1]{\newcommand{\insertfootercontent}{#1}}
\setbeamertemplate{footline}{
\ifdefined\insertfootercontent
\begin{beamercolorbox}[vmode]{headline}
\ifbeamercolorempty[bg]{headline rule}{}{
\begin{beamercolorbox}[wd=\paperwidth,colsep=0.25ex]{headline rule}\end{beamercolorbox}
}
\vspace{1.5ex}
\hspace{\sepwidth}
\usebeamerfont{footline}
\centering
\insertfootercontent
\hspace{\sepwidth}
\vspace{1.5ex}
\end{beamercolorbox}
\else\fi
}