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% Copyright 2007 by Till Tantau
% Copyright 2015 by Vedran Mileti\'c, Joseph Wright
%
% This file may be distributed and/or modified
%
% 1. under the LaTeX Project Public License and/or
% 2. under the GNU Public License.
%
% See the file doc/licenses/LICENSE for more details.
\newif\ifbeamer@sb@subsection
\DeclareOptionBeamer{subsection}[true]{\csname beamer@sb@subsection#1\endcsname}
\ExecuteOptionsBeamer{subsection=true}
\ProcessOptionsBeamer
\mode<presentation>
\setbeamercolor{frametitle}{parent=palette primary}
\setbeamercolor{subsection in head/foot}{parent=palette secondary}
\setbeamercolor{section in head/foot}{parent=palette quaternary}
\beamer@compresstrue
\AtBeginDocument{
{
\usebeamerfont*{headline}
\colorlet{global.bg}{bg}
\usebeamercolor{subsection in head/foot}
\usebeamercolor{section in head/foot}
\usebeamercolor{frametitle}
\ifbeamer@sb@subsection
\pgfdeclareverticalshading{beamer@barshade}{\the\paperwidth}{%
color(0ex)=(subsection in head/foot.bg);%
color(2.25ex)=(subsection in head/foot.bg);%
color(3.25ex)=(section in head/foot.bg);%
color(8.75ex)=(section in head/foot.bg)%
}
\pgfdeclareverticalshading{beamer@aboveframetitle}{\the\paperwidth}{%
color(0ex)=(frametitle.bg);%
color(1ex)=(subsection in head/foot.bg)
}
\else
\pgfdeclareverticalshading{beamer@barshade}{\the\paperwidth}{%
color(0ex)=(section in head/foot.bg);%
color(6ex)=(section in head/foot.bg)%
}
\pgfdeclareverticalshading{beamer@aboveframetitle}{\the\paperwidth}{%
color(0ex)=(frametitle.bg);%
color(1ex)=(frametitle.bg);%
color(2ex)=(section in head/foot.bg)
}
\fi
\begingroup
\selectcolormodel{gray}
\pgfdeclareverticalshading{beamer@belowframetitle}{\the\paperwidth}{%
color(0ex)=(pgftransparent!100);%
color(1ex)=(pgftransparent!0)
}
\pgfdeclarefading{beamer@belowframetitlemask}{\pgfuseshading{beamer@belowframetitle}}
\endgroup
}
}
% Head
\defbeamertemplate*{headline}{smoothbars theme}
{%
\pgfuseshading{beamer@barshade}%
\vskip-0.05ex%
\begin{beamercolorbox}[wd=\paperwidth,ht=1ex,dp=0ex]{empty}
\begin{pgfpicture}
\begin{pgfscope}%
\ifbeamer@sb@subsection%
\pgfsetfillcolor{subsection in head/foot.bg}%
\else%
\pgfsetfillcolor{section in head/foot.bg}%
\fi%
\pgfpathrectangle{\pgfpoint{-.5\paperwidth}{-0.5ex}}{\pgfpoint{\paperwidth}{1ex}}%
\pgfsetfading{beamer@belowframetitlemask}{}%
\pgfusepath{fill}%
\end{pgfscope}%
\end{pgfpicture}%
\end{beamercolorbox}%
\ifbeamer@sb@subsection%
\vskip-9.75ex%
\else%
\vskip-6.85ex%
\fi%
\begin{beamercolorbox}[ignorebg,ht=2.25ex,dp=3.75ex]{section in head/foot}
\insertnavigation{\paperwidth}
\end{beamercolorbox}%
\ifbeamer@sb@subsection%
\begin{beamercolorbox}[ignorebg,ht=2.125ex,dp=1.125ex,%
leftskip=.3cm,rightskip=.3cm plus1fil]{subsection in head/foot}
\usebeamerfont{subsection in head/foot}\insertsubsectionhead
\end{beamercolorbox}%
\fi%
}%
\defbeamertemplate*{frametitle}{smoothbars theme}
{%
\nointerlineskip%
\vskip-0.19ex%
\usebeamerfont{headline}%
\begin{beamercolorbox}[wd=\paperwidth,ht=1ex,dp=1ex,vmode]{empty}
\pgfuseshading{beamer@aboveframetitle}%
\end{beamercolorbox}%
\vskip-1ex%
\nointerlineskip%
\begin{beamercolorbox}[wd=\paperwidth,leftskip=.3cm,rightskip=.3cm plus1fil,vmode]{frametitle}
\vskip0.5ex%
\usebeamerfont*{frametitle}\strut\insertframetitle%
\ifx\insertframesubtitle\@empty%
\strut\par%
\else
\par{\usebeamerfont*{framesubtitle}{\usebeamercolor[fg]{framesubtitle}\strut\insertframesubtitle}\strut\par}%
\fi%%
\usebeamerfont{headline}%
\vskip0.05ex%
\end{beamercolorbox}%
\nointerlineskip%
\vskip-0.05ex%
\begin{beamercolorbox}[wd=\paperwidth,ht=1ex,dp=0ex]{empty}
\begin{pgfpicture}
\begin{pgfscope}%
\pgfsetfillcolor{frametitle.bg}%
\pgfpathrectangle{\pgfpoint{-.5\paperwidth}{-.5ex}}{\pgfpoint{\paperwidth}{1ex}}%
\pgfsetfading{beamer@belowframetitlemask}{}%
\pgfusepath{fill}%
\end{pgfscope}%
\end{pgfpicture}%
\end{beamercolorbox}%
}
\mode
<all>
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