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-rw-r--r--macros/latex/contrib/beamer/doc/beamerug-frames.tex11
1 files changed, 8 insertions, 3 deletions
diff --git a/macros/latex/contrib/beamer/doc/beamerug-frames.tex b/macros/latex/contrib/beamer/doc/beamerug-frames.tex
index dff2440e7e..23d3bbb32c 100644
--- a/macros/latex/contrib/beamer/doc/beamerug-frames.tex
+++ b/macros/latex/contrib/beamer/doc/beamerug-frames.tex
@@ -4,13 +4,14 @@
% Copyright 2013,2015 by Vedran Mileti\'c, Joseph Wright
% Copyright 2016 by Joseph Wright
% Copyright 2017,2018 by Louis Stuart, Joseph Wright
+% Copyright 2021-2023 by Joseph Wright, samcarter
%
% This file may be distributed and/or modified
%
% 1. under the LaTeX Project Public License and/or
% 2. under the GNU Free Documentation License.
%
-% See the file doc/licenses/LICENSE for more details.
+% See the file LICENSE.md for more details.
\section{Creating Frames}
\label{section-frames}
@@ -395,7 +396,7 @@ The headline of a frame is the area at the top of the frame. If it is not empty,
\beamer\ does not use the standard \LaTeX\ mechanisms for typesetting the headline and the footline. Instead, the special |headline| and |footline| templates are used to typeset them.
-The size of the headline and the footline is determined as follows: Their width is always the paper width. Their height is determined by tentatively typesetting the headline and the footline right after the |\begin{document}| command. The head of the headline and the footline at that point is ``frozen'' and will be used throughout the whole document, even if the headline and footline vary in height later on (which they should not).
+The size of the headline and the footline is determined as follows: Their width is always the paper width. Their height is determined by tentatively typesetting the headline and the footline at the start of the frame.
The appearance of the headline and footline is determined by the following templates:
@@ -1202,7 +1203,7 @@ The main background is drawn on top of the background canvas. It can be used to
\subsection{Frame and Margin Sizes}
-The size of a frame is actually the ``paper size'' of a \beamer\ presentation, and it is variable. By default, it amounts to 128\,mm by 96\,mm. The aspect ratio of this size is 4:3, which is exactly what most beamers offer these days. It is the job of the presentation program (like |acroread|, |xpdf|, |okular| or |evince|) to display the slides at full screen size. The main advantage of using a small ``paper size'' is that you can use all your normal fonts at their natural sizes. In particular, inserting a graphic with 11pt labels will result in reasonably sized labels during the presentation.
+The size of a frame is actually the ``paper size'' of a \beamer\ presentation, and it is variable. By default, it amounts to 128\,mm by 96\,mm. The aspect ratio of this size is 4:3, which is exactly what most projectors offer these days. It is the job of the presentation program (like |acroread|, |xpdf|, |okular| or |evince|) to display the slides at full screen size. The main advantage of using a small ``paper size'' is that you can use all your normal fonts at their natural sizes. In particular, inserting a graphic with 11pt labels will result in reasonably sized labels during the presentation.
To change ``paper size'' and aspect ratio, you can use the following class options:
@@ -1249,6 +1250,10 @@ To change ``paper size'' and aspect ratio, you can use the following class optio
\end{itemize}
\end{classoption}
+\begin{command}{\insertaspectratio}
+ The user can access the aspect ratio of the presentation via the |\insertaspectratio| macro. This can be useful if one creates a presentation in multiple different aspect ratios and would like to check the currently used value, e.g. to select different background images.
+\end{command}
+
Aside from using these options, you should refrain from changing the ``paper size.'' However, you \emph{can} change the size of the left and right margins, which default to 1\,cm. To change them, you should use the following command:
\begin{command}{\setbeamersize\marg{options}}