From e82d0c6e390a3977f60caba60757f0463a66ce36 Mon Sep 17 00:00:00 2001
From: paul-loedige <paul@gve-loedige.de>
Date: Sun, 23 Oct 2022 23:56:24 +0900
Subject: [PATCH] added titleimage and made it and the subtitle optional

---
 Template_Presentation.tex  |  1 +
 beamerinnerthemeutokyo.sty | 26 +++++++++++++++++---------
 2 files changed, 18 insertions(+), 9 deletions(-)

diff --git a/Template_Presentation.tex b/Template_Presentation.tex
index 5afd9cb..802fa88 100644
--- a/Template_Presentation.tex
+++ b/Template_Presentation.tex
@@ -5,6 +5,7 @@
 
 \def \TITLE{Example Title}
 \def \SUBTITLE{Example Subtitle}
+\def \TITLEIMAGE{\includesvg[width = 30 mm]{./images/clocktower.svg}}
 \def \AUTHOR{Example Author\\123456\\example@invalid.com}
 \def \COMPACTAUTHOR{Example Author}
 \def \DATE{Example Date}
diff --git a/beamerinnerthemeutokyo.sty b/beamerinnerthemeutokyo.sty
index d0392d3..4c7efac 100644
--- a/beamerinnerthemeutokyo.sty
+++ b/beamerinnerthemeutokyo.sty
@@ -16,8 +16,13 @@
             \node[below right] at (current bounding box.north west) {
                 \footnotesize
                 \hspace{.05\paperwidth} 
-                {\tiny\inserttitle \space | \insertshortauthor \space | \insertdate}
-                };
+                {
+                    \ifx\SUBTITLE\@empty
+                        \footnotesize\inserttitle~| \insertshortauthor~| \insertdate
+                    \else
+                        \footnotesize\inserttitle~ -- \insertsubtitle~| \insertshortauthor~| \insertdate
+                    \fi
+                }};
             \node[above left] at (current bounding box.south east) {
                     {\huge\insertframenumber}
                 };
@@ -41,16 +46,19 @@
 \defbeamertemplate*{title page}{utokyo}[1][]
 { 
     \begin{center}
-        \vspace{-.2\paperheight}
-        \huge
+        \Huge
         \textbf{\inserttitle}\\
-        \vspace{.05\paperheight}
+        \ifx\SUBTITLE\@empty
+            \else
+                \huge
+                \insertsubtitle\\
+            \fi
+        \ifx\TITLEIMAGE\@empty
+            \else
+                \TITLEIMAGE\\
+            \fi
         \Large
-        \insertsubtitle\\
-        \vspace{.08\paperheight}
-        \normalsize
         \insertauthor\\
-        \vspace{.03\paperheight}
         \insertdate
     \end{center}
 }