beamerheight
I'm using beamer with Copenhagen theme. I want to use a logo in the right-most corner of all slides. I achieved this using textblock and addtobeamertemplate facilities.
My question is, when I add more sections to my presentation, the banner height increases. When the banner heights increases, I want my logo gets bigger too. So, I need to know the height (see added image) programmatically.
Is that possible?
You can add another beamercolorbox to the footline template and add the information about the frame numbers there, using the desired color; a little example:
\documentclass{beamer}
\usetheme{Warsaw}
\setbeamercolor{mycolor}{fg=red,bg=olive}
\defbeamertemplate*{footline}{shadow theme}{%
\leavevmode%
\hbox{\begin{beamercolorbox}[wd=.5\paperwidth,ht=2.5ex,dp=1.125ex,leftskip=.3cm plus1fil,rightskip=.3cm]{author in head/foot}%
\usebeamerfont{author in head/foot}\hfill\insertshortauthor
\end{beamercolorbox}%
\begin{beamercolorbox}[wd=.4\paperwidth,ht=2.5ex,dp=1.125ex,leftskip=.3cm,rightskip=.3cm plus1fil]{title in head/foot}%
\usebeamerfont{title in head/foot}\insertshorttitle\hfill%
\end{beamercolorbox}%
\begin{beamercolorbox}[wd=.1\paperwidth,ht=2.5ex,dp=1.125ex,leftskip=.3cm,rightskip=.3cm plus1fil]{mycolor}%
\hfill\insertframenumber\,/\,\inserttotalframenumber
\end{beamercolorbox}}%
\vskip0pt%
}
\begin{document}
\begin{frame}
test
\end{frame}
\end{document}
An image of the footline:
The Dreden theme uses as outer theme miniframes specifying that the footline is of type authorinstitutetitle
\useoutertheme[footline=authorinstitutetitle]{miniframes}
Thus, to insert the frame number (command \insertframenumber) with respect to the total frame number (command \inserttotalframenumber) we should take into account how the authorinstitutetitle is defined:
\def\beamer@theme@footline@authorinstitutetitle{
\defbeamertemplate*{footline}{miniframes theme}
{%
\begin{beamercolorbox}[colsep=1.5pt]{upper separation line foot}
\end{beamercolorbox}
\begin{beamercolorbox}[ht=2.5ex,dp=1.125ex,%
leftskip=.3cm,rightskip=.3cm plus1fil]{author in head/foot}%
\leavevmode{\usebeamerfont{author in head/foot}\insertshortauthor}%
\hfill%
{\usebeamerfont{institute in head/foot}\usebeamercolor[fg]{institute in head/foot}\insertshortinstitute}%
\end{beamercolorbox}%
\begin{beamercolorbox}[ht=2.5ex,dp=1.125ex,%
leftskip=.3cm,rightskip=.3cm plus1fil]{title in head/foot}%
{\usebeamerfont{title in head/foot}\insertshorttitle}%
\end{beamercolorbox}%
\begin{beamercolorbox}[colsep=1.5pt]{lower separation line foot}
\end{beamercolorbox}
}
}
Now, in the lower right corner there's nothing thus it is possible to exploit the space in:
\begin{beamercolorbox}[ht=2.5ex,dp=1.125ex,%
leftskip=.3cm,rightskip=.3cm plus1fil]{title in head/foot}%
{\usebeamerfont{title in head/foot}\insertshorttitle}%
\end{beamercolorbox}%
by adding:
\begin{beamercolorbox}[ht=2.5ex,dp=1.125ex,%
leftskip=.3cm,rightskip=.3cm plus1fil]{title in head/foot}%
{\usebeamerfont{title in head/foot}\insertshorttitle}%
\hfill%
{\usebeamerfont{frame number}\usebeamercolor[fg]{frame number}\insertframenumber~\frameofframes~\inserttotalframenumber}
Notice that as separator between the frame numbers there's a command: \frameofframes. It is defined as:
\newcommand{\frameofframes}{/}
\newcommand{\setframeofframes}[1]{\renewcommand{\frameofframes}{#1}}
This allows you to modify the standard representation (1/5 for example), with something else; for instance:
\setframeofframes{of}
will provide 1 of 5.
The code:
\documentclass{beamer}
\usepackage{lmodern}
\usetheme{Dresden}
\author{My name}
\title{My presentation}
\institute{My institute}
\newcommand{\frameofframes}{/}
\newcommand{\setframeofframes}[1]{\renewcommand{\frameofframes}{#1}}
\setframeofframes{of}
\makeatletter
\setbeamertemplate{footline}
{%
\begin{beamercolorbox}[colsep=1.5pt]{upper separation line foot}
\end{beamercolorbox}
\begin{beamercolorbox}[ht=2.5ex,dp=1.125ex,%
leftskip=.3cm,rightskip=.3cm plus1fil]{author in head/foot}%
\leavevmode{\usebeamerfont{author in head/foot}\insertshortauthor}%
\hfill%
{\usebeamerfont{institute in head/foot}\usebeamercolor[fg]{institute in head/foot}\insertshortinstitute}%
\end{beamercolorbox}%
\begin{beamercolorbox}[ht=2.5ex,dp=1.125ex,%
leftskip=.3cm,rightskip=.3cm plus1fil]{title in head/foot}%
{\usebeamerfont{title in head/foot}\insertshorttitle}%
\hfill%
{\usebeamerfont{frame number}\usebeamercolor[fg]{frame number}\insertframenumber~\frameofframes~\inserttotalframenumber}
\end{beamercolorbox}%
\begin{beamercolorbox}[colsep=1.5pt]{lower separation line foot}
\end{beamercolorbox}
}
\makeatother
\begin{document}
\section{One}
\subsection{One-one}
\frame{\frametitle{X-one} bla bla bla}
\frame{\frametitle{X-one-a} bla bla bla}
\frame{\frametitle{X-one-b} bla bla bla}
\subsection{One-two}
\frame{\frametitle{X-one} bla bla bla}
\frame{\frametitle{X-one-a} bla bla bla}
\frame{\frametitle{X-one-b} bla bla bla}
\section{Two}
\subsection{Two-one}
\frame{\frametitle{X-one} bla bla bla}
\frame{\frametitle{X-one-a} bla bla bla}
\frame{\frametitle{X-one-b} bla bla bla}
\subsection{Two-two}
\frame{\frametitle{X-one} bla bla bla}
\frame{\frametitle{X-one-a} bla bla bla}
\frame{\frametitle{X-one-b} bla bla bla}
\section{Three}
\subsection{Three-one}
\frame{\frametitle{X-one} bla bla bla}
\frame{\frametitle{X-one-a} bla bla bla}
\frame{\frametitle{X-one-b} bla bla bla}
\subsection{Three-two}
\frame{\frametitle{X-one} bla bla bla}
\frame{\frametitle{X-one-a} bla bla bla}
\frame{\frametitle{X-one-b} bla bla bla}
\end{document}
One frame as result:
Best Answer
Here is a possible solution for this particular case. It completely redefines the headline to achieve the wanted effect. The headline is taken from the
splitouter theme. Note that subsections are not included, as your image shows, although they can be added with little effort.Redefined header (to be inserted in the preamble):
The height of the header is calculated from the total number of sections and stored in
\@tempdimb. This height is used throughout the definition of the headline. In the code above the logo is included taking 80% of the height of the headline, so it will be automatically resized according to the total number of sections.Example renderings
Two sections:
Five sections: