--- /dev/null
+% Copyright 2007 by Marco Barisione
+%
+% This file may be distributed and/or modified
+%
+% 1. under the LaTeX Project Public License and/or
+% 2. under the GNU Public License.
+
+\mode<presentation>
+
+% String used between the current page and the total page count.
+\def\beamer@decolines@pageofpages{/}
+\DeclareOptionBeamer{pageofpages}{\def\beamer@decolines@pageofpages{#1}}
+
+% Show a line below the frame title.
+\DeclareOptionBeamer{titleline}[true]{\def\beamer@decolines@titleline{#1}}
+
+% Image used for the watermark.
+\def\beamer@decolines@watermarkorig{}
+\DeclareOptionBeamer{watermark}{\def\beamer@decolines@watermarkorig{#1}}
+
+% Height of the watermark.
+\def\beamer@decolines@watermarkheight{100px}
+\DeclareOptionBeamer{watermarkheight}{\def\beamer@decolines@watermarkheight{#1}}
+
+% The original image height is watermarkheightmult * watermarkheight.
+\def\beamer@decolines@watermarkheightmult{1}
+\DeclareOptionBeamer{watermarkheightmult}{\def\beamer@decolines@watermarkheightmult{#1}}
+
+\ExecuteOptionsBeamer{titleline=false}
+\ProcessOptionsBeamer
+
+% Enable/disable the watermark.
+\def\watermarkon{%
+ \def\beamer@decolines@watermark{\beamer@decolines@watermarkorig}%
+}
+\def\watermarkoff{\def\beamer@decolines@watermark{}}
+
+% Initially enable the watermark.
+\watermarkon
+
+% Colors.
+\setbeamercolor*{lineup}{parent=palette primary}
+\setbeamercolor*{linemid}{parent=palette secondary}
+\setbeamercolor*{linebottom}{parent=palette tertiary}
+\setbeamercolor*{page header}{parent=titlelike}
+
+% Lengths
+\newlength{\headerheight}
+\setlength{\headerheight}{.045\paperheight}
+\newlength{\beamer@decolines@lineup}
+\setlength{\beamer@decolines@lineup}{.018\paperheight}
+\newlength{\beamer@decolines@linemid}
+\setlength{\beamer@decolines@linemid}{.015\paperheight}
+\newlength{\beamer@decolines@linebottom}
+\setlength{\beamer@decolines@linebottom}{.01\paperheight}
+
+% The height of the watermark part below the 3 bottom lines.
+\newlength{\beamer@decolines@watermarkheightbottom}
+\addtolength{\beamer@decolines@watermarkheightbottom}{\beamer@decolines@lineup}
+\addtolength{\beamer@decolines@watermarkheightbottom}{\beamer@decolines@linemid}
+\addtolength{\beamer@decolines@watermarkheightbottom}{\beamer@decolines@linebottom}
+
+% The height of the watermark part over the 3 bottom lines before shrinking.
+\newlength{\beamer@decolines@watermarkheightupperorig}
+\setlength{\beamer@decolines@watermarkheightupperorig}{\beamer@decolines@watermarkheight}
+\addtolength{\beamer@decolines@watermarkheightupperorig}{-\beamer@decolines@watermarkheightbottom}
+\multiply\beamer@decolines@watermarkheightupperorig by \beamer@decolines@watermarkheightmult
+
+% Footer.
+\defbeamertemplate*{footline}{decolines theme}
+{
+ \leavevmode%
+ % First line.
+ \hbox{%
+ \begin{beamercolorbox}[wd=.2\paperwidth,ht=\beamer@decolines@lineup,dp=1.5pt]{}%
+ \end{beamercolorbox}%
+ \begin{beamercolorbox}[wd=.8\paperwidth,ht=\beamer@decolines@lineup,dp=1.5pt,right]{lineup}%
+ \usebeamerfont{palette primary}
+ %\insertframenumber{} \beamer@decolines@pageofpages{} \inserttotalframenumber%
+ \end{beamercolorbox}%
+ } %
+ % Second line.
+ \hbox{%
+ \begin{beamercolorbox}[wd=\paperwidth,ht=\beamer@decolines@linemid,dp=0pt]{linemid}%
+ \end{beamercolorbox}%
+ } %
+ % Third line.
+ \hbox{%
+ \begin{beamercolorbox}[wd=.1\paperwidth,ht=\beamer@decolines@linebottom,dp=0pt]{}%
+ \end{beamercolorbox}%
+ \begin{beamercolorbox}[wd=.9\paperwidth,ht=\beamer@decolines@linebottom,dp=0pt]{linebottom}%
+ \end{beamercolorbox}%
+ }%
+ % This seems to fix some alignment problems with the watermark. It has to be
+ % always applied if you do not want to see the footer moving up and down when
+ % moving from a page with watermark to a page without or vice versa.
+ \vskip-.5px%
+ % Watermark.
+ \if\beamer@decolines@watermark\@empty\else%
+ \vskip-\beamer@decolines@watermarkheightbottom%
+ \llap{\includegraphics[height=\beamer@decolines@watermarkheightbottom,clip=true,%
+ trim=0pt 0pt 0pt \beamer@decolines@watermarkheightupperorig]{\beamer@decolines@watermark}\hskip-\paperwidth}%
+ \fi%
+}
+
+\defbeamertemplate*{headline}{decolines theme}{}
+%
+%{
+% \leavevmode%
+% \hbox{%
+% \begin{beamercolorbox}[wd=\paperwidth,ht=\headerheight,dp=0pt]{page header}%
+% \end{beamercolorbox}%
+% } %
+% \vskip0pt%
+%}
+
+\defbeamertemplate*{frametitle}{decolines theme}[1][left]
+{
+ \ifbeamercolorempty[bg]{frametitle}{}{\nointerlineskip}%
+ \@tempdima=\textwidth%
+ \advance\@tempdima by\beamer@leftmargin%
+ \advance\@tempdima by\beamer@rightmargin%
+ \vbox{}\vskip-.5\beamer@leftmargin%
+ \begin{beamercolorbox}[sep=.5\beamer@leftmargin,#1,wd=\the\@tempdima]{page header}
+ \usebeamerfont{frametitle}\usebeamercolor[bg]{framesubtitle}%
+ \vbox{}\vskip0ex%
+ \if@tempswa\else\csname beamer@fte#1\endcsname\fi%
+ \strut\insertframetitle\strut\par%
+ {%
+ \ifx\insertframesubtitle\@empty%
+ \else%
+ {\usebeamerfont{framesubtitle}\usebeamercolor[bg]{framesubtitle}\insertframesubtitle\strut\par}%
+ \fi
+ }%
+ \vskip-1ex%
+ \if@tempswa\else\vskip-\beamer@leftmargin\fi
+ \end{beamercolorbox}%
+ \def\beamer@decolines@truetext{true}%
+ \ifx\beamer@decolines@titleline\beamer@decolines@truetext%
+ \vskip-.5\beamer@leftmargin%
+ \begin{beamercolorbox}[wd=\textwidth,ht=.1ex,dp=0ex]{linemid}%
+ \end{beamercolorbox}%
+ \fi
+}
+
+% Frame title continuations, default
+\defbeamertemplate*{frametitle continuation}{decolines theme}{(\insertcontinuationcount)}
+
+\defbeamertemplate*{sidebar right}{decolines theme}
+{
+ \vskip.1\beamer@leftmargin%
+ \llap{\insertlogo\hskip.5\beamer@leftmargin}%
+ \vfill%
+ \if\beamer@decolines@watermark\@empty\else%
+ \llap{\includegraphics[height=\beamer@decolines@watermarkheight]{\beamer@decolines@watermark}}%
+ \vskip-\beamer@decolines@watermarkheightbottom%
+ \fi
+}
+
+\mode
+<all>