%%
%% The LaTeX Graphics Companion, 2ed (first printing May 2007)
%%
%% Example 11-4-26 on page 781.
%%
%% Copyright (C) 2007 Michel Goossens, Frank Mittelbach, Denis Roegel, Sebastian Rahtz, Herbert Vo\ss
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3
%% of this license or (at your option) any later version.
%%
%% See
http://www.latex-project.org/lppl.txt for details.
%%
% Show page(s) 1,3
\documentclass{ttctbeamer}
% graphic converted to gray in book
\StartShownPreambleCommands
\documentclass{beamer}
\usetheme{Malmoe} \usecolortheme{dove} \useoutertheme{sidebar}
\setlength\unitlength{1mm}
\StopShownPreambleCommands
\begin{document}
\begin{frame}
\frametitle{Multiple columns in a frame}
\framesubtitle{\texttt{columns} and \texttt{column}}
\begin{columns}[b] % bottom aligned
\only<1->{%
\begin{column}{.4\textwidth}
\TeX\ is the world's premi\`ere markup-based typesetting system,
and PostScript is the leading language for describing the printed
page. We describe how they can produce even more beautiful results
when they work together.
\end{column}}
\begin{column}{.2\textwidth}
\only<2->{\rule{20mm}{25mm}
\put(-13,20){{\color{white}\TeX}}}
\end{column}
\only<3>{%
\begin{column}{.2\textwidth}
{\color{red}\rule{20mm}{40mm}}
\put(-13,20){\LaTeX}
\end{column}}
\end{columns}
\end{frame}
\end{document}
