\ProvidesPackage{beamerthemeRJH} % this style was created by Rob J Hyndman and is an adapation of i6dv by David Vilar

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\selectcolormodel{cmyk}
\mode<presentation>

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% custom colors
\definecolor{i6blue}{cmyk}{1,0.305,0,0.06}
\definecolor{i6bluedark}{rgb}{0.0156,0.2578,0.5625} 
\definecolor{i6colorscheme1}{HTML}{FF6518}  % e.g. for block title
\definecolor{i6colorblockbg}{HTML}{0033cc}
\definecolor{i6colorblockfg}{HTML}{FCE94F}
\definecolor{i6colorscheme2}{HTML}{000000}  % e.g. title in headline
\definecolor{i6colorscheme3}{HTML}{C3DFFF}  % e.g. for poster background
\definecolor{i6colorscheme4}{HTML}{000000} 
\definecolor{i6colorschemeHeadline}{HTML}{0033cc}  % for headline bg
\definecolor{i6colorschemeFootline}{HTML}{100D09}  % for headline bg

% headline colors and fonts
\setbeamercolor{headline}{fg=white,bg=i6colorschemeHeadline}
\setbeamercolor{title in headline}{fg=white}
\setbeamercolor{author in headline}{fg=lightgray}
\setbeamercolor{institute in headline}{fg=lightgray}
\setbeamercolor{logo in headline}{fg=black,bg=lightgray}
\setbeamercolor{separation line}{bg=i6colorscheme1}

% footline colors and fonts
\setbeamercolor{footline}{fg=white,bg=i6colorschemeHeadline}
\setbeamerfont{footline}{size=\normalsize}

% body colors and fonts
\setbeamercolor*{normal text}{fg=black,bg=i6colorscheme3}

% block environment
\setbeamercolor*{block body}{bg=white,fg=black}
\setbeamercolor*{block title}{fg=i6colorblockfg,bg=i6colorblockbg}
\setbeamerfont{block title}{size=\large,series=\bf}

% example environment
\setbeamercolor*{example title}{fg=white,bg=i6colorscheme1}
\setbeamerfont{example title}{size=\large,series=\bf}

\setbeamercolor{alerted text}{fg=i6colorscheme1}

\setbeamertemplate{itemize items}[triangle]
\setbeamertemplate{navigation symbols}{}  % no navigation on a poster

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\setbeamertemplate{block begin}{
  \vskip.75ex
  \begin{beamercolorbox}[leftskip=1cm,colsep*=.75ex]{block title}%
    \usebeamerfont*{block title}\insertblocktitle
  \end{beamercolorbox}%
  {\ifbeamercolorempty[bg]{block body}{}{\nointerlineskip\vskip-0.5pt}}%
  \usebeamerfont{block body}%
  \begin{beamercolorbox}[colsep*=.75ex,sep=.75ex,vmode]{block body}%
    \ifbeamercolorempty[bg]{block body}{\vskip-.25ex}{\vskip-.75ex}\vbox{}%
  }
  \setbeamertemplate{block end}{
  \end{beamercolorbox}
}

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\setbeamertemplate{headline}{  
  \leavevmode

  \begin{beamercolorbox}[wd=\paperwidth]{headline}
      \begin{columns}[c]
      \begin{column}{.80\paperwidth}
		%\centering
        \vskip5ex
        \usebeamercolor{title in headline}{\color{fg}\textbf{\huge{\inserttitle}}\\[1ex]}
        \usebeamercolor{author in headline}{\color{fg}\LARGE{\insertauthor}\\[1ex]}
 %        \usebeamercolor{institute in headline}{\color{fg}\large{\insertinstitute}\\[1ex]}
 	\vskip5ex
	\end{column}

      \begin{column}{.1\paperwidth}
%        \begin{center}
%          \includegraphics[width=.9\linewidth]{unisa-landscape.eps}
%        \end{center}
      \end{column}
      \begin{column}{.05\paperwidth}
%        \begin{center}
%          \includegraphics[width=.6\linewidth]{cnl-color-white.png}
%        \end{center}
      \end{column}

    \end{columns}     
  \end{beamercolorbox}
  
  \begin{beamercolorbox}[wd=\paperwidth]{lower separation line head}
    \rule{0pt}{2pt}
  \end{beamercolorbox}
}

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\setbeamertemplate{footline}{
  \begin{beamercolorbox}[wd=\paperwidth]{upper separation line foot}
    \rule{0pt}{2pt}
  \end{beamercolorbox}
  
  \begin{beamercolorbox}[ht=4ex,leftskip=1cm,rightskip=1cm]{footline}%
    \hfill \raisebox{-0.4cm}{\insertfooter}
    \vskip1ex
  \end{beamercolorbox}

  \begin{beamercolorbox}[wd=\paperwidth]{lower separation line foot}
    \rule{0pt}{2pt}
  \end{beamercolorbox}
}
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\mode<all>

\def\footer#1{\def\insertfooter{#1}}