\documentclass{beamer}

\usepackage[T1]{fontenc}
\usepackage{lmodern}
\usepackage[czech]{babel}
\usepackage[utf8x]{inputenc}
\PrerenderUnicode{ěščřžýáíéůúóťď–→„“}

\usepackage{palatino}
\usepackage{graphicx}

\mode<presentation> {
  \usetheme{Warsaw}
  \setbeamercovered{transparent}
}

\bibliographystyle{apacite}


\title{OHP3D: OpenGL PDF viewer}
\author{Ing.~František~Kučera}
\institute{Frantovo.cz / GlobalCode.info}
\date{28.~12.~2023}

\begin{document}

%-------------------------------------------------------------------------------
\begin{frame}
	\titlepage
\end{frame}
%-------------------------------------------------------------------------------



%-------------------------------------------------------------------------------------------------------------------------
\section{What is OHP3D}
\begin{frame}
	\frametitle{What is OHP3D}
	\begin{itemize}
		\item OpenGL PDF viewer
		\item for X11 and GNU/Linux
		\item keyboard and mouse control
		\item filters: GLSL shaders
	\end{itemize}
\end{frame}
%-------------------------------------------------------------------------------------------------------------------------


%-------------------------------------------------------------------------------------------------------------------------
\section{Current status}
\begin{frame}
	\frametitle{Current status}
	\begin{itemize}
		\item first public version
		\item based on ShaderShark and previous private prototype
		\item still bit raw, lots of missing features
		\item but displays PDF and applies shaders
	\end{itemize}
\end{frame}
%-------------------------------------------------------------------------------------------------------------------------


%-------------------------------------------------------------------------------------------------------------------------
\section{Controls}
\begin{frame}
	\frametitle{Mouse controls}
	\begin{itemize}
		\item previous page: click lower-left quadrant
		\item next page: click lower-right quadrant
		\item first page: click upper-left quadrant
		\item last page: click upper-right quadrant
		\item zoom: mouse wheel
		\item reset view: back
		\item exit: forward
	\end{itemize}
\end{frame}
%-------------------------------------------------------------------------------------------------------------------------


%-------------------------------------------------------------------------------------------------------------------------
\begin{frame}
	\frametitle{Keyboard controls 1/2}
	\begin{itemize}
		\item previous page: PageUp / j
		\item next page: PageDown / k
		\item first page: Home / u
		\item last page: End / i
		\item fullscreen: F11 / y
		\item reset: x
		\item exit: Esc / q
	\end{itemize}
\end{frame}
%-------------------------------------------------------------------------------------------------------------------------


%-------------------------------------------------------------------------------------------------------------------------
\begin{frame}
	\frametitle{Keyboard controls 2/2}
	\begin{itemize}
		\item move forward | backward: Up | Down / e | d
		\item move left | right: m | ,
		\item move up | down: l | .
		\item rotate left | right: Left | Right / s | f
		\item rotate up | down: t | g
		\item roll left | right: w | r
	\end{itemize}
\end{frame}
%-------------------------------------------------------------------------------------------------------------------------


%-------------------------------------------------------------------------------------------------------------------------
\begin{frame}
	\frametitle{Contact and support}
	\begin{itemize}
		\item Author: \\
		Ing. František Kučera
		\item More information: \\
		\url{https://graphics.globalcode.info/} \\
		\url{https://office.globalcode.info/} \\
		\url{https://relational-pipes.globalcode.info/} \\
		\url{https://sane-software.globalcode.info/} \\
		\url{https://blog.frantovo.cz/} \\
		\url{https://podnik.frantovo.cz/s/english}
	\end{itemize}
\end{frame}
%-------------------------------------------------------------------------------------------------------------------------

\end{document}