From 37b50ec26878a1ef9478e2967470a7fc0a32cfb1 Mon Sep 17 00:00:00 2001
From: "Achim D. Brucker" <adbrucker@0x5f.org>
Date: Sun, 15 Jan 2017 08:57:38 +0000
Subject: [PATCH] Use logo for light background, if no title image is
 specified.

---
 lh-presentation/beamerinnerthemelh.sty | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lh-presentation/beamerinnerthemelh.sty b/lh-presentation/beamerinnerthemelh.sty
index 1e9aa59..a00e1df 100644
--- a/lh-presentation/beamerinnerthemelh.sty
+++ b/lh-presentation/beamerinnerthemelh.sty
@@ -69,7 +69,11 @@
   \end{beamercolorbox}
     \vspace{1mm}
   \begin{beamercolorbox}[wd=\@tempdima,ignorebg]{white}
-    \raisebox{-\fboxsep}{{\setlength{\fboxsep}{0pt}\lhcomLogoDark[width=34mm]}}
+    \ifx\inserttitlegraphic\@empty%
+      \raisebox{-\fboxsep}{{\setlength{\fboxsep}{0pt}\lhcomLogoLight[width=34mm]}}%
+    \else%
+      \raisebox{-\fboxsep}{{\setlength{\fboxsep}{0pt}\lhcomLogoDark[width=34mm]}}%
+    \fi%
     \hfill%
     {\partnerLogo[height=4mm]}%
   \end{beamercolorbox}