add talk

talk/.gitignore

+*.aux
+*.synctex.gz
+*.toc
+*.out
+*.nav
+*.log
+*.fls
+*.fdb_latexmk
+talk.pdf
+*.snm
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talk/shadow.tex

+\usepackage{tikz}
+\usetikzlibrary{shadows,calc}
+
+% code adapted from https://tex.stackexchange.com/a/11483/3954
+
+% some parameters for customization
+\def\shadowshift{3pt,-3pt}
+\def\shadowradius{6pt}
+
+\colorlet{innercolor}{black!60}
+\colorlet{outercolor}{gray!05}
+
+% this draws a shadow under a rectangle node
+\newcommand\drawshadow[1]{
+    \begin{pgfonlayer}{shadow}
+        \shade[outercolor,inner color=innercolor,outer color=outercolor] ($(#1.south west)+(\shadowshift)+(\shadowradius/2,\shadowradius/2)$) circle (\shadowradius);
+        \shade[outercolor,inner color=innercolor,outer color=outercolor] ($(#1.north west)+(\shadowshift)+(\shadowradius/2,-\shadowradius/2)$) circle (\shadowradius);
+        \shade[outercolor,inner color=innercolor,outer color=outercolor] ($(#1.south east)+(\shadowshift)+(-\shadowradius/2,\shadowradius/2)$) circle (\shadowradius);
+        \shade[outercolor,inner color=innercolor,outer color=outercolor] ($(#1.north east)+(\shadowshift)+(-\shadowradius/2,-\shadowradius/2)$) circle (\shadowradius);
+        \shade[top color=innercolor,bottom color=outercolor] ($(#1.south west)+(\shadowshift)+(\shadowradius/2,-\shadowradius/2)$) rectangle ($(#1.south east)+(\shadowshift)+(-\shadowradius/2,\shadowradius/2)$);
+        \shade[left color=innercolor,right color=outercolor] ($(#1.south east)+(\shadowshift)+(-\shadowradius/2,\shadowradius/2)$) rectangle ($(#1.north east)+(\shadowshift)+(\shadowradius/2,-\shadowradius/2)$);
+        \shade[bottom color=innercolor,top color=outercolor] ($(#1.north west)+(\shadowshift)+(\shadowradius/2,-\shadowradius/2)$) rectangle ($(#1.north east)+(\shadowshift)+(-\shadowradius/2,\shadowradius/2)$);
+        \shade[outercolor,right color=innercolor,left color=outercolor] ($(#1.south west)+(\shadowshift)+(-\shadowradius/2,\shadowradius/2)$) rectangle ($(#1.north west)+(\shadowshift)+(\shadowradius/2,-\shadowradius/2)$);
+        \filldraw ($(#1.south west)+(\shadowshift)+(\shadowradius/2,\shadowradius/2)$) rectangle ($(#1.north east)+(\shadowshift)-(\shadowradius/2,\shadowradius/2)$);
+        % \shade[outercolor,right color=black!40,left color=black!40] ($(#1.north west)+(-\shadowradius/12,\shadowradius/12)$) rectangle ($(#1.south east)+(\shadowradius/12,-\shadowradius/12)$);%Frame
+    \end{pgfonlayer}
+}
+
+% create a shadow layer, so that we don't need to worry about overdrawing other things
+\pgfdeclarelayer{shadow} 
+\pgfsetlayers{shadow,main}
+
+\newsavebox\mybox
+\newlength\mylen
+
+\newcommand\shadowimage[2][]{
+\setbox0=\hbox{\includegraphics[#1]{#2}}
+\setlength\mylen{\wd0}
+\ifnum\mylen<\ht0
+\setlength\mylen{\ht0}
+\fi
+\divide \mylen by 100
+\def\shadowshift{0,0}
+\def\shadowradius{\the\dimexpr\mylen+\mylen+\mylen\relax}
+\begin{tikzpicture}
+\begin{scope}
+    \clip [rounded corners=\shadowradius * 0.8] (0,0) rectangle coordinate (centerpoint) (\the\wd0, \the\ht0);
+    \node[anchor=south west,inner sep=0] (image) at (0,0) {\includegraphics[#1]{#2}};
+\end{scope}
+\drawshadow{image}
+\end{tikzpicture}
+}
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talk/talk.tex

+\documentclass[aspectratio=169]{beamer}
+\beamertemplatenavigationsymbolsempty 
+
+\setbeamertemplate{footline}[frame number]
+\setbeamerfont{page number in head/foot}{size=\scriptsize}
+
+% s2c = lambda x: int(x,16)/256
+% cc = lambda x: (s2c(x[:2]), s2c(x[2:4]), s2c(x[4:6]))
+% cc('2E7D32')
+\definecolor{mygreen}{rgb}{0.1796875, 0.48828125, 0.1953125}
+\setbeamercolor{structure}{fg=mygreen}
+
+\usepackage{tikz}
+\input{shadow.tex}
+
+\setbeamerfont{itemize/enumerate subbody}{size=\normalsize} %to set the body size
+\setbeamertemplate{itemize subitem}{\normalsize\raise1.25pt\hbox{\donotcoloroutermaths$\blacktriangleright$}}  %to set the symbol size
+
+\usepackage{fontspec}
+\usepackage{unicode-math}
+\setsansfont{Iwona}
+\setmathfont{KpMath}
+\setmathfont{KpMath}[range={cal,bfcal},StylisticSet=1]
+\setmathfont{Latin Modern Math}[range=bb/{num},Scale=1.05]
+\setmonofont{Roboto Mono}[Scale=0.85]
+
+\title{Project Group:\\Vector Graphics on Modern Hardware (VGMH)}
+\author{Dorian Rudolph}
+\institute{Paderborn University}
+
+
+\begin{document}
+
+
+\begin{frame}[noframenumbering,plain]
+\titlepage
+\end{frame}
+
+\begin{frame}[b]
+  \frametitle{Standard example}
+
+  \begin{tikzpicture}[overlay, remember picture] 
+    \node at (current page.center)[] 
+    {
+    \includegraphics[height=.9\paperheight]{Ghostscript_Tiger.pdf}
+    };
+  \end{tikzpicture}
+
+  ``Ghostscript tiger''
+\end{frame}
+
+\begin{frame}
+  \frametitle{Motivation}
+
+  \emph{Why are the quantum computing people doing a project group on vector graphics?}
+  \begin{itemize}
+    \item<3-> None of the existing digital whiteboard apps are \emph{great}.
+    \begin{itemize}
+      \item<4-> not supporting all platforms (Linux, Windows, Mac, Android, iOS, Web)
+      \item<5-> bad performance
+      \item<6-> missing ``multiplayer'' (though MS Whiteboard is good)
+      \item<7-> bad/missing PDF integration
+    \end{itemize}
+  \end{itemize}
+
+  \begin{tikzpicture}[overlay, remember picture] 
+    \node at (current page.center)[] 
+    {
+    \only<2>{\shadowimage[height=.95\paperheight]{mswhiteboardscreenshot.jpeg}}
+    };
+  \end{tikzpicture}
+
+\end{frame}
+
+\end{document}
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