Merge branch '46-command-to-repeat-titleslide' into release

README.md

@@ -29,6 +29,8 @@ The title picture can be changed with an optional parameter: ``\maketitle[<path-
 
 If no picture is given (`\maketitle`), a default picture is used. To create a title frame without a picture, you can use `\maketitle[]`.
 
+To repeat the title slide you can use the command `\againtitle` at any point. It creates a copy of the last title slide with the same picture and picture-offset.
+
 ### Section Frames
 
 At the begin of each section a title slide is automatically generated. If you are in handout-mode, this slide also includes an overview of all sections and subsections that can be used to navigate through the slides easily.

beamerthemeuulm.sty

@@ -123,10 +123,9 @@
 \universitylogo{uulm}
 \clearinstitutelogo
 
-\renewcommandx{\maketitle}[2][1=apr21-o25a,2=150]{
+\newcommand{\@createtitleslide}{
     {
-    \def \picture {#1}
-    \ifx \picture \empty \else \usebackgroundtemplate{\includegraphics[trim=0 0 0 #2,clip,width=\paperwidth]{#1}} \fi
+    \ifx \uulmtitlepicture \empty \else \usebackgroundtemplate{\includegraphics[trim=0 0 0 \uulmtitlepictureoffset,clip,width=\paperwidth]{\uulmtitlepicture}} \fi
     \begin{frame}[plain]
         \vskip0pt plus 1filll
         \begin{beamercolorbox}[wd=\paperwidth,ht=4.5ex,dp=2ex,right]{titlebox}
@@ -151,6 +150,20 @@
     }
 }
 
+\renewcommandx{\maketitle}[2][1=apr21-o25a,2=150]{
+    \gdef\uulmtitlepicture{#1}
+    \gdef\uulmtitlepictureoffset{#2}
+    \@createtitleslide
+}
+
+\newcommand{\againtitle}{
+    \ifcsname uulmtitlepicture\endcsname
+        \@createtitleslide
+    \else
+        \PackageError{beamerthemeuulm}{To use \string\againtitle\space you must first use \string\maketitle!}{Either comment out this line or check if you forgot to issue the \string\maketitle-macro.}%
+    \fi
+}
+
 \setbeamertemplate{frametitle}{
     \vspace{20pt}%
     \fitbox[maxheight=2.5ex,minheight=0pt,maxwidth=\textwidth,minwidth=0pt]{%

demo-slides/demoSlides.tex

@@ -302,6 +302,9 @@ \subsection{Easy Navigation in Slides}
 	\vfill
 \end{frame}
 
+\subsection{Repeating the Last Title Slide}
+\againtitle
+
 \subsection{Alternative Title Pictures}
 \maketitle[] % title page without a picture
 % examples for alternative title pictures: