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 \beamer@filterclassoptions
 
 
-\RequirePackage{pgf}
+\RequirePackage{pgfcore,pgfbaseshade,pgfbaseimage}
 % For all sorts of things...
 
 \RequirePackage{xxcolor}

base/beamerbaseauxtemplates.sty

   \setkeys{beamer@backgroundgrid}{#1}%
   \begin{pgfpicture}{0cm}{0cm}{\the\paperwidth}{\the\paperheight}
     \beamer@bggc
-    \pgfgrid[stepx=\beamer@bggw,stepy=\beamer@bggw]{\pgforigin}{\pgfpoint{\the\paperwidth}{\the\paperheight}}
+    \pgfpathgrid[stepx=\beamer@bggw,stepy=\beamer@bggw]{\pgforigin}{\pgfpoint{\the\paperwidth}{\the\paperheight}%
+    \pgfusepath}
   \end{pgfpicture}%    
 }
 
     \usebeamercolor{section number projected}%
     \begin{pgfpicture}{-1ex}{0ex}{1ex}{2ex}
       \color{bg}
-      \pgfcircle[fill]{\pgfpoint{0pt}{.75\pgfex}}{1.2\pgfex}
+      \pgfpathcircle{\pgfpoint{0pt}{.75\pgfex}}{1.2\pgfex}
+      \pgfusepath[fill]
       \pgfbox[center,base]{\color{fg}\inserttocsectionnumber}
     \end{pgfpicture}\kern1.25ex%
   }%
   \usebeamerfont*{item projected}%
   \usebeamercolor[bg]{item projected}%
   \begin{pgfpicture}{-1ex}{0ex}{1ex}{2ex}
-    \pgfcircle[fill]{\pgfpoint{0pt}{.75\pgfex}}{1.2\pgfex}
+    \pgfpathcircle{\pgfpoint{0pt}{.75\pgfex}}{1.2\pgfex}
+    \pgfusepath[fill]
     \pgfbox[center,base]{\color{fg}\insertenumlabel}
   \end{pgfpicture}%
 }
   \usebeamerfont*{subitem projected}%
   \usebeamercolor[bg]{subitem projected}%
   \begin{pgfpicture}{-1ex}{0ex}{1ex}{2ex}
-    \pgfcircle[fill]{\pgfpoint{0pt}{.75\pgfex}}{1.2\pgfex}
+    \pgfpathcircle{\pgfpoint{0pt}{.75\pgfex}}{1.2\pgfex}
+    \pgfusepath[fill]
     \pgfbox[center,base]{\color{fg}\insertsubenumlabel}
   \end{pgfpicture}%
 }
   \usebeamerfont*{subsubitem projected}%
   \usebeamercolor[bg]{subsubitem projected}%
   \begin{pgfpicture}{-1ex}{0ex}{1ex}{2ex}
-    \pgfcircle[fill]{\pgfpoint{0pt}{.75\pgfex}}{1.2\pgfex}
+    \pgfpathcircle{\pgfpoint{0pt}{.75\pgfex}}{1.2\pgfex}
+    \pgfusepath[fill]
     \pgfbox[center,base]{\color{fg}\insertsubsubenumlabel}
   \end{pgfpicture}%
 }
   \usebeamerfont*{\beameritemnestingprefix item projected}%
   \usebeamercolor[bg]{\beameritemnestingprefix item projected}%
   \begin{pgfpicture}{-1ex}{0ex}{1ex}{2ex}
-    \pgfcircle[fill]{\pgfpoint{0pt}{.75\pgfex}}{1.2\pgfex}
+    \pgfpathcircle{\pgfpoint{0pt}{.75\pgfex}}{1.2\pgfex}
+    \pgfusepath[fill]
     \pgfbox[center,base]{\color{fg}\insertenumlabel}
   \end{pgfpicture}%
 }
 \defbeamertemplate{mini frame}{box}
 {%
   \begin{pgfpicture}{0pt}{0pt}{.1cm}{.1cm}
-    \pgfrect[fillstroke]{\pgforigin}{\pgfpoint{\the\beamer@boxsize}{\the\beamer@boxsize}}
+    \pgfpathrectangle{\pgforigin}{\pgfpoint{\the\beamer@boxsize}{\the\beamer@boxsize}}
+    \pgfusepath[fill,stroke]
   \end{pgfpicture}%
 }
 [action]
 \defbeamertemplate{mini frame in current subsection}{box}
 {%
   \begin{pgfpicture}{0pt}{0pt}{.1cm}{.1cm}
-    \pgfrect[stroke]{\pgforigin}{\pgfpoint{\the\beamer@boxsize}{\the\beamer@boxsize}}
+    \pgfpathrectangle{\pgforigin}{\pgfpoint{\the\beamer@boxsize}{\the\beamer@boxsize}}
+    \pgfusepath
   \end{pgfpicture}%
 }
 

base/beamerbaseboxes.sty

       \else%        
         \color{upper.bg}%
       \fi%  
-      \pgfqmoveto{-4}{-1}
-      \pgfqcurveto{-4}{1.2}{-2.2}{3}{0}{3}
-      \pgflineto{\pgfpoint{\bmb@temp}{3bp}}
-      \pgfcurveto%
+      \pgfpathqmoveto{-4}{-1}
+      \pgfpathqcurveto{-4}{1.2}{-2.2}{3}{0}{3}
+      \pgfpathlineto{\pgfpoint{\bmb@temp}{3bp}}
+      \pgfpathcurveto%
       {\pgfpoint{\bmb@dima}{3bp}}%
       {\pgfpoint{\bmb@dimb}{1.2bp}}%
       {\pgfpoint{\bmb@dimb}{-1bp}}%
       \bmb@dima=-\ht\bmb@box%
       \advance\bmb@dima by-2pt%
-      \pgflineto{\pgfpoint{\bmb@dimb}{\bmb@dima}}
-      \pgflineto{\pgfpoint{-4bp}{\bmb@dima}}
-      \pgffill
+      \pgfpathlineto{\pgfpoint{\bmb@dimb}{\bmb@dima}}
+      \pgfpathlineto{\pgfpoint{-4bp}{\bmb@dima}}
+      \pgfusepath[fill]
     \end{pgfpicture}%
     \copy\bmb@box%
   }%
     \begin{pgfpicture}{0pt}{0pt}{\bmb@width}{6pt}
       \bmb@dima=\bmb@width%
       \advance\bmb@dima by8bp%
-      \pgfrect[clip]{\pgfpoint{-4bp}{-1bp}}{\pgfpoint{\bmb@dima}{8bp}}
+      \pgfpathrectangle{\pgfpoint{-4bp}{-1bp}}{\pgfpoint{\bmb@dima}{8bp}}
+      \pgfclip
       \pgfputat{\pgfpoint{-4bp}{0bp}}{\pgfbox[left,base]{\pgfuseshading{bmb@transition}}}%
     \end{pgfpicture}%
   }%
       \begin{pgfscope}
         {%
         \advance\bmb@temp by-1bp%
-        \pgfrect[clip]{\pgfpoint{\bmb@temp}{-7bp}}{\pgfpoint{9bp}{9bp}}%
+        \pgfpathrectangle{\pgfpoint{\bmb@temp}{-7bp}}{\pgfpoint{9bp}{9bp}}%
+        \pgfclip
         }%
         \pgfputat{\pgfpoint{\bmb@temp}{1bp}}{\pgfbox[center,center]{\box\bmb@boxshadowballlarge}}
       \end{pgfscope}
       \begin{pgfscope}
         \advance\bmb@temp by-4bp%
-        \pgfrect[clip]{\pgfpoint{4bp}{-7bp}}{\pgfpoint{\bmb@temp}{5bp}}
+        \pgfpathrectangle{\pgfpoint{4bp}{-7bp}}{\pgfpoint{\bmb@temp}{5bp}}
+        \pgfclip
         \pgfputat{\pgfpoint{4bp}{-7bp}}{\pgfbox[left,base]{\copy\bmb@boxshadow}}%
       \end{pgfscope}
       \begin{pgfscope}
         \bmb@dima=\ht\bmb@box%
         \advance\bmb@dima by\bmb@prevheight%
         \advance\bmb@dima by 4bp%
-        \pgfrect[clip]{\pgfpoint{\bmb@temp}{1bp}}{\pgfpoint{4bp}{\bmb@dima}}
+        \pgfpathrectangle{\pgfpoint{\bmb@temp}{1bp}}{\pgfpoint{4bp}{\bmb@dima}}
+        \pgfclip
         \advance\bmb@dima by-4bp%
         \pgfputat{\pgfpoint{\bmb@temp}{\bmb@dima}}{\pgfbox[center,center]{\box\bmb@boxshadowball}}
         \advance\bmb@dima by-1bp%
-        \pgfrect[clip]{\pgfpoint{\bmb@temp}{1bp}}{\pgfpoint{4bp}{\bmb@dima}}
+        \pgfpathrectangle{\pgfpoint{\bmb@temp}{1bp}}{\pgfpoint{4bp}{\bmb@dima}}
+        \pgfclip
         \advance\bmb@temp by4bp%
         \pgfputat{\pgfpoint{\bmb@temp}{-3bp}}%
         {\begin{pgfrotateby}{\pgfdegree{90}}\pgfbox[left,base]{\box\bmb@boxshadow}\end{pgfrotateby}}%
       \end{pgfscope}
       \fi%
       \unhbox\bmb@colorbox%
-      \pgfqmoveto{-4}{1}
-      \pgfqcurveto{-4}{-1.2}{-2.2}{-3}{0}{-3}
-      \pgflineto{\pgfpoint{\the\bmb@temp}{-3bp}}
-      \pgfcurveto%
+      \pgfpathqmoveto{-4}{1}
+      \pgfpathqcurveto{-4}{-1.2}{-2.2}{-3}{0}{-3}
+      \pgfpathlineto{\pgfpoint{\the\bmb@temp}{-3bp}}
+      \pgfpathcurveto%
       {\pgfpoint{\the\bmb@dima}{-3bp}}%
       {\pgfpoint{\the\bmb@dimb}{-1.2bp}}%
       {\pgfpoint{\the\bmb@dimb}{1bp}}%
       {
       \bmb@dima=\ht\bmb@box%
-      \pgflineto{\pgfpoint{\bmb@dimb}{\bmb@dima}}
-      \pgflineto{\pgfpoint{-4bp}{\bmb@dima}}
-      \pgffill
+      \pgfpathlineto{\pgfpoint{\bmb@dimb}{\bmb@dima}}
+      \pgfpathlineto{\pgfpoint{-4bp}{\bmb@dima}}
+      \pgfusepath[fill]
       }
       \ifbmb@shadow%
       {
         \color{black!50!bg}
         \pgfsetlinewidth{0pt}
-        \pgfmoveto{\pgfpoint{\bmb@dimb}{-.5bp}}
+        \pgfpathmoveto{\pgfpoint{\bmb@dimb}{-.5bp}}
         \bmb@dima=\ht\bmb@box%
         \advance\bmb@dima by\bmb@prevheight%
         \advance\bmb@dima by 1bp%
-        \pgflineto{\pgfpoint{\bmb@dimb}{\bmb@dima}}
-        \pgfstroke
+        \pgfpathlineto{\pgfpoint{\bmb@dimb}{\bmb@dima}}
+        \pgfusepath
         \bmb@temp=\bmb@dima
         \advance\bmb@dima by 1bp%
         \color{black!31!bg}
-        \pgfmoveto{\pgfpoint{\bmb@dimb}{\bmb@temp}}
-        \pgflineto{\pgfpoint{\bmb@dimb}{\bmb@dima}}
-        \pgfstroke
+        \pgfpathmoveto{\pgfpoint{\bmb@dimb}{\bmb@temp}}
+        \pgfpathlineto{\pgfpoint{\bmb@dimb}{\bmb@dima}}
+        \pgfusepath
         \advance\bmb@dima by 1bp%
         \advance\bmb@temp by 1bp%
         \color{black!19!bg}
-        \pgfmoveto{\pgfpoint{\bmb@dimb}{\bmb@temp}}
-        \pgflineto{\pgfpoint{\bmb@dimb}{\bmb@dima}}
-        \pgfstroke
+        \pgfpathmoveto{\pgfpoint{\bmb@dimb}{\bmb@temp}}
+        \pgfpathlineto{\pgfpoint{\bmb@dimb}{\bmb@dima}}
+        \pgfusepath
         \advance\bmb@dima by 1bp%
         \advance\bmb@temp by 1bp%
         \color{black!6!bg}
-        \pgfmoveto{\pgfpoint{\bmb@dimb}{\bmb@temp}}
-        \pgflineto{\pgfpoint{\bmb@dimb}{\bmb@dima}}
-        \pgfstroke
+        \pgfpathmoveto{\pgfpoint{\bmb@dimb}{\bmb@temp}}
+        \pgfpathlineto{\pgfpoint{\bmb@dimb}{\bmb@dima}}
+        \pgfusepath
         \advance\bmb@dima by 1.5bp%
         \advance\bmb@temp by 1bp%
         \color{bg}
-        \pgfmoveto{\pgfpoint{\bmb@dimb}{\bmb@temp}}
-        \pgflineto{\pgfpoint{\bmb@dimb}{\bmb@dima}}
-        \pgfstroke
+        \pgfpathmoveto{\pgfpoint{\bmb@dimb}{\bmb@temp}}
+        \pgfpathlineto{\pgfpoint{\bmb@dimb}{\bmb@dima}}
+        \pgfusepath
       }
       \fi
     \end{pgfpicture}%
 %
 
 % Shadows
-\pgfdeclareradialshading[black,bg]{bmb@shadowball}{\pgforigin}{%
+\pgfdeclareradialshading[black,bg]{bmb@shadowball}{\pgfpointorigin}{%
   color(0bp)=(black!50!bg); color(4bp)=(bg)}
-\pgfdeclareradialshading[black,bg]{bmb@shadowballlarge}{\pgforigin}{%
+\pgfdeclareradialshading[black,bg]{bmb@shadowballlarge}{\pgfpointorigin}{%
   color(0bp)=(black!50!bg); color(4bp)=(black!50!bg); color(8bp)=(bg)}
 \pgfdeclareverticalshading[black,bg]{bmb@shadow}{30cm}{%
   color(0bp)=(bg); color(4bp)=(black!50!bg); color(8bp)=(black!50!bg)}

base/beamerbaseframesize.sty

           \ifbeamer@plainframe\beamer@leftmargin=\Gm@lmargin\fi%
           \begin{pgfpicture}{\beamer@leftmargin}{-\beamer@frametextheight}{\beamer@leftmargin}{0pt}
             \pgfbox[left,top]{\box\@tempboxa}
-            \pgfrect[clip]{\pgfpoint{0pt}{-\@tempdimc}}{\pgfpoint{\@tempdimb}{\@tempdimc}}%
+            \pgfpathrectangle{\pgfpoint{0pt}{-\@tempdimc}}{\pgfpoint{\@tempdimb}{\@tempdimc}}%
+            \pgfclip
             \begin{pgfmagnify}{\beamer@temp}{\beamer@temp}
               \@tempdima=#4\relax%
               \@tempdimb=#5\relax%

base/beamerbasenavigation.sty

 \def\beamer@linkspace#1{\vbox to7.5pt{}\kern#1}
 
 \pgfdefobject{beamerslidenavlight}{\pgfpoint{0pt}{-1pt}}{\pgfpoint{20pt}{5pt}}
- {\pgfqmoveto{4}{0.5}
-  \pgfqlineto{2}{2}
-  \pgfqlineto{4}{3.5}
-  \pgffill  
-  \pgfqmoveto{16}{0.5}
-  \pgfqlineto{18}{2}
-  \pgfqlineto{16}{3.5}
-  \pgffill}
+ {\pgfpathqmoveto{4}{0.5}
+  \pgfpathqlineto{2}{2}
+  \pgfpathqlineto{4}{3.5}
+  \pgfusepathqfill  
+  \pgfpathqmoveto{16}{0.5}
+  \pgfpathqlineto{18}{2}
+  \pgfpathqlineto{16}{3.5}
+  \pgfusepathqfill}
 \pgfdefobject{beamerslidenavstrong}{\pgfpoint{0pt}{-1pt}}{\pgfpoint{20pt}{5pt}}
-{\pgfrect[stroke]{\pgfpoint{8.3pt}{0.8pt}}{\pgfpoint{3.4pt}{2.4pt}}}
+{%
+  \pgfpathrectangle{\pgfpoint{8.3pt}{0.8pt}}{\pgfpoint{3.4pt}{2.4pt}}%
+  \pgfusepathqstroke%
+}
 
 \def\insertslidenavigationsymbol{%
   \begin{pgfpicture}{0pt}{-1.5pt}{20pt}{5.5pt}
   \hyperlinkslidenext{\beamer@linkspace{6pt}}}
 
 \pgfdefobject{beamerframenavlight}{\pgfpoint{0pt}{-1pt}}{\pgfpoint{20pt}{5pt}}
- {\pgfqmoveto{4}{0.5}
-  \pgfqlineto{2}{2}
-  \pgfqlineto{4}{3.5}
-  \pgffill  
-  \pgfqmoveto{16}{0.5}
-  \pgfqlineto{18}{2}
-  \pgfqlineto{16}{3.5}
-  \pgffill}
+ {\pgfpathqmoveto{4}{0.5}
+  \pgfpathqlineto{2}{2}
+  \pgfpathqlineto{4}{3.5}
+  \pgfpathqmoveto{16}{0.5}
+  \pgfpathqlineto{18}{2}
+  \pgfpathqlineto{16}{3.5}
+  \pgfusepathqfill}
 \pgfdefobject{beamerframenavstrong}{\pgfpoint{0pt}{-1pt}}{\pgfpoint{20pt}{5pt}}
-{\pgfrect[stroke]{\pgfpoint{7pt}{0pt}}{\pgfpoint{3.4pt}{2.4pt}}
- \pgfqmoveto{7.8}{2.4}
- \pgfqlineto{7.8}{3.2}
- \pgfqlineto{11.2}{3.2}
- \pgfqlineto{11.2}{.8}
- \pgfqlineto{10.4}{.8}
- \pgfstroke
- \pgfqmoveto{8.6}{3.2}
- \pgfqlineto{8.6}{4}
- \pgfqlineto{12}{4}
- \pgfqlineto{12}{1.6}
- \pgfqlineto{11.2}{1.6}
- \pgfstroke}
+{%
+  \pgfpathrectangle{\pgfpoint{7pt}{0pt}}{\pgfpoint{3.4pt}{2.4pt}}
+  \pgfpathqmoveto{7.8}{2.4}
+  \pgfpathqlineto{7.8}{3.2}
+  \pgfpathqlineto{11.2}{3.2}
+  \pgfpathqlineto{11.2}{.8}
+  \pgfpathqlineto{10.4}{.8}
+  \pgfpathqmoveto{8.6}{3.2}
+  \pgfpathqlineto{8.6}{4}
+  \pgfpathqlineto{12}{4}
+  \pgfpathqlineto{12}{1.6}
+  \pgfpathqlineto{11.2}{1.6}
+  \pgfusepathqstroke}
 
 \def\insertframenavigationsymbol{%
   \begin{pgfpicture}{0pt}{-1.5pt}{20pt}{5.5pt}
   \hyperlinkframestartnext{\beamer@linkspace{5pt}}}
 
 \pgfdefobject{beamersubsectionnavlight}{\pgfpoint{0pt}{-1pt}}{\pgfpoint{20pt}{5pt}}
- {\pgfqmoveto{4}{0.5}
-   \pgfqlineto{2}{2}
-   \pgfqlineto{4}{3.5}
-   \pgffill  
-   \pgfqmoveto{16}{0.5}
-   \pgfqlineto{18}{2}
-   \pgfqlineto{16}{3.5}
-   \pgffill 
-   \pgfsetlinewidth{0.6pt}
-   \pgfqmoveto{8}{4}
-   \pgfqlineto{11}{4}
-   \pgfstroke
-   \pgfqmoveto{9}{2}
-   \pgfqlineto{12}{2}
-   \pgfstroke
-   \pgfqmoveto{8}{1}
-   \pgfqlineto{11}{1}
-   \pgfstroke
-   \pgfqmoveto{9}{0}
-   \pgfqlineto{12}{0}
-   \pgfstroke}
+{%
+  \pgfpathqmoveto{4}{0.5}
+  \pgfpathqlineto{2}{2}
+  \pgfpathqlineto{4}{3.5}
+  \pgfpathqmoveto{16}{0.5}
+  \pgfpathqlineto{18}{2}
+  \pgfpathqlineto{16}{3.5}
+  \pgfusepathqfill 
+  \pgfsetlinewidth{0.6pt}
+  \pgfpathqmoveto{8}{4}
+  \pgfpathqlineto{11}{4}
+  \pgfpathqmoveto{9}{2}
+  \pgfpathqlineto{12}{2}
+  \pgfpathqmoveto{8}{1}
+  \pgfpathqlineto{11}{1}
+  \pgfpathqmoveto{9}{0}
+  \pgfpathqlineto{12}{0}
+  \pgfusepathqstroke}
 \pgfdefobject{beamersubsectionnavstrong}{\pgfpoint{0pt}{-1pt}}{\pgfpoint{20pt}{5pt}}
-{\pgfsetlinewidth{0.6pt}
-  \pgfqmoveto{9}{3}
-  \pgfqlineto{12}{3}
-  \pgfstroke}
+{%
+  \pgfsetlinewidth{0.6pt}
+  \pgfpathqmoveto{9}{3}
+  \pgfpathqlineto{12}{3}
+  \pgfusepathqstroke}
 
 \def\insertsubsectionnavigationsymbol{%
   \begin{pgfpicture}{0pt}{-1.5pt}{20pt}{5.5pt}
   \hyperlinksubsectionstartnext{\beamer@linkspace{5pt}}}
 
 \pgfdefobject{beamersectionnavlight}{\pgfpoint{0pt}{-1pt}}{\pgfpoint{20pt}{5pt}}
- {\pgfqmoveto{4}{0.5}
-   \pgfqlineto{2}{2}
-   \pgfqlineto{4}{3.5}
-   \pgffill  
-   \pgfqmoveto{16}{0.5}
-   \pgfqlineto{18}{2}
-   \pgfqlineto{16}{3.5}
-   \pgffill 
-   \pgfsetlinewidth{0.6pt}
-   \pgfqmoveto{8}{1}
-   \pgfqlineto{11}{1}
-   \pgfstroke
-   \pgfqmoveto{9}{0}
-   \pgfqlineto{12}{0}
-   \pgfstroke}
+{%
+  \pgfpathqmoveto{4}{0.5}
+  \pgfpathqlineto{2}{2}
+  \pgfpathqlineto{4}{3.5}
+  \pgfpathqmoveto{16}{0.5}
+  \pgfpathqlineto{18}{2}
+  \pgfpathqlineto{16}{3.5}
+  \pgfusepathqfill 
+  \pgfsetlinewidth{0.6pt}
+  \pgfpathqmoveto{8}{1}
+  \pgfpathqlineto{11}{1}
+  \pgfpathqmoveto{9}{0}
+  \pgfpathqlineto{12}{0}
+  \pgfusepathqstroke}
 \pgfdefobject{beamersectionnavstrong}{\pgfpoint{0pt}{-1pt}}{\pgfpoint{20pt}{5pt}}
-{\pgfsetlinewidth{0.6pt}
-  \pgfqmoveto{8}{4}
-  \pgfqlineto{11}{4}
-  \pgfstroke
-  \pgfqmoveto{9}{3}
-  \pgfqlineto{12}{3}
-  \pgfstroke
-  \pgfqmoveto{9}{2}
-  \pgfqlineto{12}{2}
-  \pgfstroke
+{%
+  \pgfsetlinewidth{0.6pt}
+  \pgfpathqmoveto{8}{4}
+  \pgfpathqlineto{11}{4}
+  \pgfpathqmoveto{9}{3}
+  \pgfpathqlineto{12}{3}
+  \pgfpathqmoveto{9}{2}
+  \pgfpathqlineto{12}{2}
+  \pgfusepathqstroke
 }
 
 \def\insertsectionnavigationsymbol{%
   \hyperlinksectionstartnext{\beamer@linkspace{5pt}}}
 
 \pgfdefobject{beamerdocnavlight}{\pgfpoint{0pt}{-1pt}}{\pgfpoint{20pt}{5pt}}
-{\pgfqmoveto{10}{-.5}
-  \pgfqlineto{10}{4.5}
-  \pgfstroke
+{%
+  \pgfpathqmoveto{10}{-.5}
+  \pgfpathqlineto{10}{4.5}
+  \pgfusepathqstroke
 }  
 \pgfdefobject{beamerdocnavstrong}{\pgfpoint{0pt}{-1pt}}{\pgfpoint{20pt}{5pt}}
 {
   \pgfsetlinewidth{0.6pt}
-  \pgfqmoveto{4}{4}
-  \pgfqlineto{7}{4}
-  \pgfstroke
-  \pgfqmoveto{5}{3}
-  \pgfqlineto{8}{3}
-  \pgfstroke
-  \pgfqmoveto{5}{2}
-  \pgfqlineto{8}{2}
-  \pgfstroke
-  \pgfqmoveto{3}{1}
-  \pgfqlineto{7}{1}
-  \pgfstroke
-  \pgfqmoveto{5}{0}
-  \pgfqlineto{8}{0}
-  \pgfstroke
-  \pgfqmoveto{12}{3}
-  \pgfqlineto{15}{3}
-  \pgfstroke
-  \pgfqmoveto{13}{2}
-  \pgfqlineto{16}{2}
-  \pgfstroke
-  \pgfqmoveto{13}{1}
-  \pgfqlineto{16}{1}
-  \pgfstroke
+  \pgfpathqmoveto{4}{4}
+  \pgfpathqlineto{7}{4}
+  \pgfpathqmoveto{5}{3}
+  \pgfpathqlineto{8}{3}
+  \pgfpathqmoveto{5}{2}
+  \pgfpathqlineto{8}{2}
+  \pgfpathqmoveto{3}{1}
+  \pgfpathqlineto{7}{1}
+  \pgfpathqmoveto{5}{0}
+  \pgfpathqlineto{8}{0}
+  \pgfpathqmoveto{12}{3}
+  \pgfpathqlineto{15}{3}
+  \pgfpathqmoveto{13}{2}
+  \pgfpathqlineto{16}{2}
+  \pgfpathqmoveto{13}{1}
+  \pgfpathqlineto{16}{1}
+  \pgfusepathqstroke
 }
 
 \pgfdefobject{beamerdocnavstrongsingle}{\pgfpoint{0pt}{-1pt}}{\pgfpoint{20pt}{5pt}}
-{\pgfsetlinewidth{0.6pt}
-  \pgfqmoveto{8}{4}
-  \pgfqlineto{11}{4}
-  \pgfstroke
-  \pgfqmoveto{9}{3}
-  \pgfqlineto{12}{3}
-  \pgfstroke
-  \pgfqmoveto{9}{2}
-  \pgfqlineto{12}{2}
-  \pgfstroke
-  \pgfqmoveto{7}{1}
-  \pgfqlineto{11}{1}
-  \pgfstroke
-  \pgfqmoveto{9}{0}
-  \pgfqlineto{12}{0}
-  \pgfstroke}
+{%
+  \pgfsetlinewidth{0.6pt}
+  \pgfpathqmoveto{8}{4}
+  \pgfpathqlineto{11}{4}
+  \pgfpathqmoveto{9}{3}
+  \pgfpathqlineto{12}{3}
+  \pgfpathqmoveto{9}{2}
+  \pgfpathqlineto{12}{2}
+  \pgfpathqmoveto{7}{1}
+  \pgfpathqlineto{11}{1}
+  \pgfpathqmoveto{9}{0}
+  \pgfpathqlineto{12}{0}
+  \pgfusepathqstroke%
+}
 
 \def\insertdocnavigationsymbol{%
   \ifx\beamer@startpageofappendix\@empty%
 {
   % search symbol
   \pgfsetlinewidth{0.6pt}
-  \pgfqmoveto{10.4}{1.6}
-  \pgfqlineto{12}{0}
-  \pgfstroke
+  \pgfpathqmoveto{10.4}{1.6}
+  \pgfpathqlineto{12}{0}
+  \pgfusepathqstroke
   \pgfsetlinewidth{0.4pt}
-  \pgfcircle[stroke]{\pgfpoint{9.5pt}{2.5pt}}{1.2pt}
+  \pgfpathcircle{\pgfpoint{9.5pt}{2.5pt}}{1.2pt}
+  \pgfusepathqstroke
   % left arrow
   \pgfsetroundcap
-  \pgfqmoveto{4}{0}
-  \pgfqcurveto{5.1}{0}{6}{0.9}{6}{2}
-  \pgfqcurveto{6}{3.1}{5.1}{4}{4}{4}
-  \pgfqcurveto{2.9}{4}{2}{3.1}{2}{2}
-  \pgfstroke
-  \pgfqmoveto{3.2}{2.6}
-  \pgfqlineto{2}{1.6}
-  \pgfqlineto{0.8}{2.6}
-  \pgfstroke
+  \pgfpathqmoveto{4}{0}
+  \pgfpathqcurveto{5.1}{0}{6}{0.9}{6}{2}
+  \pgfpathqcurveto{6}{3.1}{5.1}{4}{4}{4}
+  \pgfpathqcurveto{2.9}{4}{2}{3.1}{2}{2}
+  \pgfpathqmoveto{3.2}{2.6}
+  \pgfpathqlineto{2}{1.6}
+  \pgfpathqlineto{0.8}{2.6}
   % right arrow
-  \pgfqmoveto{16}{0}
-  \pgfqcurveto{14.9}{0}{14}{0.9}{14}{2}
-  \pgfqcurveto{14}{3.1}{14.9}{4}{16}{4}
-  \pgfqcurveto{17.1}{4}{18}{3.1}{18}{2}
-  \pgfstroke
-  \pgfqmoveto{19.2}{2.6}
-  \pgfqlineto{18}{1.6}
-  \pgfqlineto{16.8}{2.6}
-  \pgfstroke
+  \pgfpathqmoveto{16}{0}
+  \pgfpathqcurveto{14.9}{0}{14}{0.9}{14}{2}
+  \pgfpathqcurveto{14}{3.1}{14.9}{4}{16}{4}
+  \pgfpathqcurveto{17.1}{4}{18}{3.1}{18}{2}
+  \pgfpathqmoveto{19.2}{2.6}
+  \pgfpathqlineto{18}{1.6}
+  \pgfpathqlineto{16.8}{2.6}
+  \pgfusepathqstroke
 }  
 
 \def\insertbackfindforwardnavigationsymbol{%
 
 \pgfdefobject{beamergotosymbol}{\pgfpoint{0pt}{-1pt}}{\pgfpoint{5pt}{5pt}}
 {
-  \pgfqmoveto{1.5}{0.5}
-  \pgfqlineto{3.5}{2}
-  \pgfqlineto{1.5}{3.5}
-  \pgffill
+  \pgfpathqmoveto{1.5}{0.5}
+  \pgfpathqlineto{3.5}{2}
+  \pgfpathqlineto{1.5}{3.5}
+  \pgfusepathqfill
 }
 
 \def\insertgotosymbol{%
 
 \pgfdefobject{beamerskipsymbol}{\pgfpoint{0pt}{-1pt}}{\pgfpoint{7pt}{5pt}}
 {
-  \pgfqmoveto{1.5}{0.5}
-  \pgfqlineto{3.5}{2}
-  \pgfqlineto{1.5}{3.5}
-  \pgfqmoveto{3.5}{0.5}
-  \pgfqlineto{5.5}{2}
-  \pgfqlineto{3.5}{3.5}
-  \pgffill
+  \pgfpathqmoveto{1.5}{0.5}
+  \pgfpathqlineto{3.5}{2}
+  \pgfpathqlineto{1.5}{3.5}
+  \pgfpathqmoveto{3.5}{0.5}
+  \pgfpathqlineto{5.5}{2}
+  \pgfpathqlineto{3.5}{3.5}
+  \pgfusepathqfill
 }
 
 \def\insertskipsymbol{%
 
 \pgfdefobject{beamerreturnsymbol}{\pgfpoint{0pt}{-1pt}}{\pgfpoint{5pt}{5pt}}
 {
-  \pgfqmoveto{3.5}{0.5}
-  \pgfqlineto{1.5}{2}
-  \pgfqlineto{3.5}{3.5}
-  \pgffill
+  \pgfpathqmoveto{3.5}{0.5}
+  \pgfpathqlineto{1.5}{2}
+  \pgfpathqlineto{3.5}{3.5}
+  \pgfusepathqfill
 }
 
 \def\insertreturnsymbol{%
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