New logo for poster theme (with white IMT)

texinputs/beamerthemetptposter.sty

@@ -25,9 +25,11 @@
 \setbeamercolor{dept in head/foot}{fg=white,bg=black}
 
 
+\newlength{\logowidth}
+\setlength{\logowidth}{.07812\paperwidth}
 \newlength{\logoheight}
-\setlength{\logoheight}{.07812\paperwidth}
-\pgfdeclareimage[width=\logoheight]{logoTPT}{tpt}
+\setlength{\logoheight}{0.099994\paperwidth} % logo real size is 100x128
+\pgfdeclareimage[width=\logowidth]{logoTPT}{logo-white}
 \setbeamertemplate{navigation symbols}{}
 
 \newcommand\email[1]{\gdef\insertemail{#1}}
@@ -64,17 +66,12 @@
 \defbeamertemplate*{headline}{tpt default}
 {\leavevmode%
 \begin{beamercolorbox}[left, rightskip=0pt, wd=\paperwidth, ht=.075\paperheight, dp=.03\paperheight]{poster title}
-   \hspace{.02\paperwidth}%
-   \raisebox{.020\paperheight}{%
-    \begin{tabular}{c}
-   \begin{beamercolorbox}[center, wd=1.1\logoheight, ht=1.05\logoheight, dp=.05\logoheight]{poster logo title}
-      \pgfuseimage{logoTPT}
-   \end{beamercolorbox}\\
-   \begin{beamercolorbox}[center, wd=1.1\logoheight,ht=2.5ex]{poster title}
-     \scriptsize{Institut Mines-Télécom}
-   \end{beamercolorbox}
-    \end{tabular}
-    }
+   \hspace{.025\paperwidth}%
+   \raisebox{-.03\paperheight}{% -dp
+      \begin{minipage}[b][.075\paperheight][c]{\logowidth}
+         \raisebox{.5\height}{\pgfuseimage{logoTPT}}
+   \end{minipage}
+   }
     \hfill{}%
     \begin{beamercolorbox}[center,wd=.7\paperwidth, ht=.075\paperheight]{}
        \raisebox{-.01\paperheight}{%