beamerinnerthemelancaster.sty

\mode<presentation>
% Beamer is a 4:3 ratio at 12.79817 by cm 9.59863 cm or (364.19536pt,273.14662pt)
% Can do a 16:9 ratio at 15.999811 cm 8.999893 cm
\newif\if@doLUlogo
\@doLUlogofalse
\newcommand\LUlogo[1]{\def\insertLUlogo{#1} \@doLUlogotrue}

% Create backgrounds as command so we can reuse.
\newcommand{\titlebackground}[1][\@empty]{%
  \begin{tikzpicture}
    \useasboundingbox (0,0) rectangle(\the\paperwidth,\the\paperheight);
    \if@doGRID
    \draw[step=0.2cm,gray!20,very thin] (-2,-2) grid (\LUgridwd,10);
    \draw[step=1cm,gray,thin] (-2,-2) grid (\LUgridwd,10);
    \fi
    \ifx\@empty#1
    \if@doFOOTLINE
    \draw[color=lancasterRed,fill=lancasterRed] (\LUrightmargin,0.0) -- (\LUfootlineright,0.0) arc (270:360:0.4) -- (\LUrightmargin,0.4);
    \draw[color=white,line width=0.2mm,dash pattern=on 0.05cm off 0.05cm] (\LUfootlinebarright,0.03) -- (\LUfootlinebarright,0.4);
    \draw[color=white,line width=0.2mm,dash pattern=on 0.05cm off 0.05cm] (\LUfootlinebarleft,0.03) -- (\LUfootlinebarleft,0.4);
    \else
    \draw[color=lancasterRed,fill=lancasterRed] (\LUleftmarginminuscorenerarc,0.0)  arc (270:360:2) -- (\LUwidth, 0.0);
    \fi
    \else
    \fill[color=lancasterGrey!20] (\LUrightmargin,1.93) rectangle (\LUleftmargin,4.59);
    \fill[color=lancasterBlack] (\LUrightmargin,1.76) rectangle (\LUleftmargin,1.93);
    \draw[color=lancasterRed,fill=lancasterRed] (\LUrightmargin,0.56) -- (\LUleftmarginminusarc,0.56) arc (270:360:1.2) -- (\LUrightmargin,1.76);
    \fi
    
    \node[anchor=north east,inner sep=0, outer sep=0] at (\LUlogoposright,\LUlogopostop)
         {
           \if@doLUlogo
			\includegraphics[height=0.8cm]{\insertLUlogo}
           \else
			%\includegraphics[height=0.2cm]{img/LUgenericlogo.pdf}
			\includegraphics[height=0.8cm]{img/LUmathstatslogo.pdf}
           \fi
         };

  \end{tikzpicture}    
}


% Background theme.
\setbeamertemplate{background}{%
  \ifnum\thepage>1\relax%
  \titlebackground
  \else
  \titlebackground[title]
  \fi
}


% Title page
\defbeamertemplate*{title page}{lancaster}[1][]
                   {
\color{lancasterRed}
\begin{beamercolorbox}[wd=11.6cm,leftskip=0cm,sep=0pt,#1]{title page header}
      \usebeamerfont{title}\inserttitle\par%
    \end{beamercolorbox}%
    
    \begin{beamercolorbox}[wd=11.6cm,leftskip=0cm,sep=0pt,#1]{subtitle page header}
      \usebeamerfont{subtitle}\insertsubtitle\par%
    \end{beamercolorbox}%

    \vskip0.1cm%
    \begin{beamercolorbox}[wd=11.6cm,leftskip=0cm,#1]{author}
      \usebeamerfont{author}\insertauthor%
    \end{beamercolorbox}
     \vskip-0.18cm%
    \begin{beamercolorbox}[wd=11.6cm,leftskip=0cm,#1]{date}
      \usebeamerfont{author}\insertdate%
    \end{beamercolorbox}
  \vfill
}

\newcommand{\makefinal}{
  {
    % clear current background else we get the triangle
    \setbeamertemplate{background}{}
    \setbeamertemplate{footline}{}
    \usebackgroundtemplate{
      \titlebackground[title]
    }
  \setbeamertemplate{headline}{}
  \begin{frame}
    \begin{beamercolorbox}[wd=11.6cm,leftskip=0cm,sep=0pt]{title page header}
      %      \usebeamerfont{title}\inserttitle\par%
    \end{beamercolorbox}%
    
    \begin{beamercolorbox}[wd=11.6cm,leftskip=0cm,sep=0pt]{subtitle page header}
      %     \usebeamerfont{subtitle}\insertsubtitle\par%
    \end{beamercolorbox}%

    \vskip0.1cm%
    \begin{beamercolorbox}[wd=11.6cm,leftskip=0cm]{author}
      \usebeamerfont{author}\insertauthor%
    \end{beamercolorbox}
     \vskip-0.18cm%
    \begin{beamercolorbox}[wd=11.6cm,leftskip=0cm]{date}
      \usebeamerfont{author}\insertdate%
    \end{beamercolorbox}
    \vfill
  \end{frame}
}
}

%backup slides
\newenvironment{backupslides}{
  {
    % clear current background else we get the triangle
    \setbeamertemplate{background}{}
    \setbeamertemplate{footline}{}
    \usebackgroundtemplate{
      \titlebackground[title]
    }
    \begin{frame}
      \newcounter{finalframe}
      \setcounter{finalframe}{\value{framenumber}}
    \begin{beamercolorbox}[wd=11.6cm,leftskip=0cm,sep=0pt]{title page header}
            \usebeamerfont{title}Backup Slides\par%
    \end{beamercolorbox}%
    
    \begin{beamercolorbox}[wd=11.6cm,leftskip=0cm,sep=0pt]{subtitle page header}
      %     \usebeamerfont{subtitle}\insertsubtitle\par%
    \end{beamercolorbox}%

    \vskip0.1cm%
    \begin{beamercolorbox}[wd=11.6cm,leftskip=0cm]{author}
      %      \usebeamerfont{author}\insertauthor%
    \end{beamercolorbox}
     \vskip-0.18cm%
    \begin{beamercolorbox}[wd=11.6cm,leftskip=0cm]{date}
      %     \usebeamerfont{author}\insertdate%
    \end{beamercolorbox}
    \vfill
    \end{frame}
  }
}
{
  \setcounter{framenumber}{\value{finalframe}}
}


% standard slide:
\setbeamersize{text margin left=0.6cm}
\setbeamersize{text margin right=0.6cm}
%\setbeamertemplate{itemize/enumerate body begin}{\setlength{\leftmargini}{0.6cm}}

% Items
\useinnertheme{circles}
\setbeamertemplate{itemize items}[circle]
\setbeamertemplate{enumerate items}[default]
\setbeamertemplate{blocks}[default]
\setbeamertemplate{navigation symbols}{}


\if@doFOOTLINE
\defbeamertemplate*{footline}{infolines theme}
{
  \leavevmode%
  \hbox{%
    \hspace{\LUrightmargin}
  \begin{beamercolorbox}[wd=\LUfootlinewd,ht=0.277cm,dp=0.123cm,center]{author in head/foot}%
    \usebeamerfont{author in head/foot}\insertshortauthor\expandafter\beamer@ifempty\expandafter{\beamer@shortinstitute}{}{~~(\insertshortinstitute)}
  \end{beamercolorbox}%
  \begin{beamercolorbox}[wd=\LUfootlinewd,ht=0.277cm,dp=0.123cm,center]{title in head/foot}%
    \usebeamerfont{title in head/foot}\insertshorttitle
  \end{beamercolorbox}%
  \begin{beamercolorbox}[wd=\LUfootlinewd,ht=0.277cm,dp=0.123cm,right]{date in head/foot}%
    \usebeamerfont{date in head/foot}\insertshortdate{}\hspace*{2em}
    \insertframenumber{} / \inserttotalframenumber\hspace*{0.4cm} 
  \end{beamercolorbox}}%
  \vskip0pt%
}
\fi



\mode
<all>