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%%

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%% This is file `beamerouterthememetropolis.sty',

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%% generated with the docstrip utility.

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%%

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%% The original source files were:

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%%

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%% beamerouterthememetropolis.dtx  (with options: `package')

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%% ---------------------------------------------------------------------------

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%% Copyright 2015 Matthias Vogelgesang and the LaTeX community. A full list of

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%% contributors can be found at

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%% 

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%%     https://github.com/matze/mtheme/graphs/contributors

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%% 

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%% and the original template was based on the HSRM theme by Benjamin Weiss.

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%% 

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%% This work is licensed under a Creative Commons Attribution-ShareAlike 4.0

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%% International License (https://creativecommons.org/licenses/by-sa/4.0/).

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%% ---------------------------------------------------------------------------

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\NeedsTeXFormat{LaTeX2e}

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\ProvidesPackage{beamerouterthememetropolis}[2017/01/23 Metropolis outer theme]

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\RequirePackage{etoolbox}

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\RequirePackage{calc}

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\RequirePackage{pgfopts}

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\pgfkeys{

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  /metropolis/outer/numbering/.cd,

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    .is choice,

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    none/.code=\setbeamertemplate{frame numbering}[none],

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    counter/.code=\setbeamertemplate{frame numbering}[counter],

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    fraction/.code=\setbeamertemplate{frame numbering}[fraction],

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}

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\pgfkeys{

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  /metropolis/outer/progressbar/.cd,

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    .is choice,

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    none/.code={%

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      \setbeamertemplate{headline}[plain]

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      \setbeamertemplate{frametitle}[plain]

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      \setbeamertemplate{footline}[plain]

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    },

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    head/.code={\pgfkeys{/metropolis/outer/progressbar=none}

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      \addtobeamertemplate{headline}{}{%

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        \usebeamertemplate*{progress bar in head/foot}

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      }

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    },

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    frametitle/.code={\pgfkeys{/metropolis/outer/progressbar=none}

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      \addtobeamertemplate{frametitle}{}{%

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        \usebeamertemplate*{progress bar in head/foot}

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      }

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    },

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    foot/.code={\pgfkeys{/metropolis/outer/progressbar=none}

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      \addtobeamertemplate{footline}{}{%

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        \usebeamertemplate*{progress bar in head/foot}%

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      }

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    },

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}

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\newcommand{\metropolis@outer@setdefaults}{

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  \pgfkeys{/metropolis/outer/.cd,

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    numbering=counter,

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    progressbar=none,

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  }

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}

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\setbeamertemplate{navigation symbols}{}

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\defbeamertemplate{frame footer}{none}{}

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\defbeamertemplate{frame footer}{custom}[1]{ #1 }

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\defbeamertemplate{frame numbering}{none}{}

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\defbeamertemplate{frame numbering}{counter}{\insertframenumber}

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\defbeamertemplate{frame numbering}{fraction}{

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  \insertframenumber/\inserttotalframenumber

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}

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\defbeamertemplate{headline}{plain}{}

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\defbeamertemplate{footline}{plain}{%

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  \begin{beamercolorbox}[wd=\textwidth, sep=3ex]{footline}%

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    \usebeamerfont{page number in head/foot}%

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    \usebeamertemplate*{frame footer}

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    \hfill%

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    \usebeamertemplate*{frame numbering}

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  \end{beamercolorbox}%

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}

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\newlength{\metropolis@frametitle@padding}

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\setlength{\metropolis@frametitle@padding}{2.2ex}

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\newcommand{\metropolis@frametitlestrut@start}{

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  \rule{0pt}{\metropolis@frametitle@padding +%

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    \totalheightof{%

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      \ifcsdef{metropolis@frametitleformat}{\metropolis@frametitleformat X}{X}%

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    }%

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  }%

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}

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\newcommand{\metropolis@frametitlestrut@end}{

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  \rule[-\metropolis@frametitle@padding]{0pt}{\metropolis@frametitle@padding}

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}

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\defbeamertemplate{frametitle}{plain}{%

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  \nointerlineskip%

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  \begin{beamercolorbox}[%

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      wd=\paperwidth,%

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      sep=0pt,%

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      leftskip=\metropolis@frametitle@padding,%

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      rightskip=\metropolis@frametitle@padding,%

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    ]{frametitle}%

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  \metropolis@frametitlestrut@start%

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  \insertframetitle%

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  \nolinebreak%

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  \metropolis@frametitlestrut@end%

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  \end{beamercolorbox}%

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}

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\setbeamertemplate{frametitle continuation}{%

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  \usebeamerfont{frametitle}

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  \romannumeral \insertcontinuationcount

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}

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\newlength{\metropolis@progressinheadfoot}

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\newlength{\metropolis@progressinheadfoot@linewidth}

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\setlength{\metropolis@progressinheadfoot@linewidth}{0.4pt}

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\setbeamertemplate{progress bar in head/foot}{

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  \nointerlineskip

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  \setlength{\metropolis@progressinheadfoot}{%

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    \paperwidth * \ratio{\insertframenumber pt}{\inserttotalframenumber pt}%

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  }%

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  \begin{beamercolorbox}[wd=\paperwidth]{progress bar in head/foot}

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    \tikzexternaldisable%

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    \begin{tikzpicture}

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      \fill[bg] (0,0) rectangle (\paperwidth, \metropolis@progressinheadfoot@linewidth);

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      \fill[fg] (0,0) rectangle (\metropolis@progressinheadfoot, \metropolis@progressinheadfoot@linewidth);

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    \end{tikzpicture}%

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    \tikzexternalenable%

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  \end{beamercolorbox}

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}

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\AtBeginDocument{%

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  \apptocmd{\appendix}{%

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    \pgfkeys{%

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      /metropolis/outer/.cd,

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      numbering=none,

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      progressbar=none}

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    }{}{}

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}

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\metropolis@outer@setdefaults

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\ProcessPgfPackageOptions{/metropolis/outer}

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\endinput

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%%

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%% End of file `beamerouterthememetropolis.sty'.

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