Modifies the titlepage to support the aspectratio option

 - it's not a pdf image anymore
 - only the logo (with its text) is an image
 - the color blocs use the beamercolorbox env.
 - Uses the column env. to align the logo

texinputs/beamerthemetptnew.sty

@@ -20,9 +20,7 @@
 \newcommand\dept[1]{\gdef\insertdept{#1}}
 \dept{}
 
-
-
-\pgfdeclareimage[width=\paperwidth,height=\paperheight]{BgdFirst}{fond.pdf}
+\pgfdeclareimage[width=2.156cm]{LogoFirst}{logo.pdf}
 
 % le logo fait 1cm de haut soit 7.8% des 12.8cm de large d'un beamer 4/3 standard
 \newcommand\logoheight{.07812\paperwidth}
@@ -79,32 +77,50 @@
 %
 \defbeamertemplate*{title page}{tpt default}%
 {%
-   \hfill%
-   \begin{minipage}[t][.55\paperheight][t]{.62\textwidth}
-      \vspace{3.5cm}%
-      \usebeamercolor[fg]{title}\usebeamerfont{title}\raggedright{\inserttitle}\par%
-      \ifx\insertsubtitle\@empty%
-      \else%
-      {%
-         \vspace{1em}%
-         \usebeamercolor[fg]{subtitle}\usebeamerfont{subtitle}\raggedright{\insertsubtitle}\par
-         \vfill
-      }%
-      \fi%
-   \end{minipage}%
-   \vspace{.1\paperheight}\par%
-   \hfill%
-   \begin{minipage}[b][.1\paperheight][b]{.62\textwidth}
-      \usebeamercolor[fg]{author in title frame}\usebeamerfont{author in title frame}\insertauthor\par%
-      \usebeamercolor[fg]{email in title frame}\usebeamerfont{email in title frame}\insertemail\par%
-      \usebeamercolor[fg]{date in title frame}\usebeamerfont{date in title frame}\insertdate\par%
-   \end{minipage}%
-   \vspace{.25\paperheight}%
+   \begin{columns}
+   \begin{column}{.4\paperwidth}
+      \@tempdima=\textwidth%
+      \advance\@tempdima by - 13mm%
+      \hspace{13mm}%
+      \begin{minipage}[t][\paperheight][t]{.3\@tempdima}%
+         \vspace{13mm}%
+         \pgfuseimage{LogoFirst}%
+      \end{minipage}
+   \end{column}
+   \begin{column}{.6\paperwidth}
+      \hspace{.03\textwidth}%
+      \begin{minipage}[t][.55\paperheight][t]{.9\textwidth}
+         \vspace{3.5cm}%
+         \usebeamercolor[fg]{title}\usebeamerfont{title}\raggedright{\inserttitle}\par%
+         \ifx\insertsubtitle\@empty%
+         \else%
+         {%
+            \vspace{1ex}%
+            \usebeamercolor[fg]{subtitle}\usebeamerfont{subtitle}\raggedright{\insertsubtitle}\par
+            \vfill
+         }%
+         \fi%
+      \end{minipage}%
+      \vspace{.1\paperheight}\par%
+      \hspace{.03\textwidth}%
+      \begin{minipage}[b][.1\paperheight][b]{.9\textwidth}
+         \usebeamercolor[fg]{author in title frame}\usebeamerfont{author in title frame}\insertauthor\par%
+         \usebeamercolor[fg]{email in title frame}\usebeamerfont{email in title frame}\insertemail\par%
+         \usebeamercolor[fg]{date in title frame}\usebeamerfont{date in title frame}\insertdate\par%
+      \end{minipage}%
+      \vspace{.03\paperheight}\par%
+      \begin{beamercolorbox}[sep=0cm,wd=.6\paperwidth]{title}
+         \begin{beamercolorbox}[sep=0pt,wd=.2\paperwidth,ht=.4cm]{page in head/foot}\hfill{}\end{beamercolorbox}%
+         \begin{beamercolorbox}[sep=0pt,wd=.2\paperwidth,ht=.4cm]{dept in head/foot}\hfill{}\end{beamercolorbox}%
+         \begin{beamercolorbox}[sep=0pt,wd=.2\paperwidth,ht=.4cm]{author in head/foot}\hfill{}\end{beamercolorbox}%
+      \end{beamercolorbox}%
+      \vspace{.20\paperheight}%
+   \end{column}
+   \end{columns}
 }%
 
 \def\maketitle{%
  {
- \usebackgroundtemplate{\pgfuseimage{BgdFirst}}
   \ifbeamer@inframe
     \titlepage
   \else