intro_ipv6 / beamerouterthemedecolines.sty

% 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}{.025\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%

  % Page number.

  \hbox{%

  \begin{beamercolorbox}[wd=.2\paperwidth,ht=0ex,dp=0ex,center]{}%

    \usebeamerfont{palette primary}\insertframenumber{} \beamer@decolines@pageofpages{} \inserttotalframenumber%

  \end{beamercolorbox}%

  \begin{beamercolorbox}[wd=.8\paperwidth,ht=0ex,dp=0ex]{}%

  \end{beamercolorbox}%

  } %

  % First line.

  \hbox{%

  \begin{beamercolorbox}[wd=.2\paperwidth,ht=\beamer@decolines@lineup,dp=0pt]{}%

  \end{beamercolorbox}%

  \begin{beamercolorbox}[wd=.8\paperwidth,ht=\beamer@decolines@lineup,dp=0pt]{lineup}%

  \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=\beamer@leftmargin,#1,wd=\the\@tempdima]{}

    \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>