답변1
이미지의 스크린샷 2개:
(원본 파일을 사용하면 더 나은 품질의 이미지를 얻을 수 있습니다)
\documentclass{beamer}
\begin{document}
\begin{frame}
\setbeamertemplate{itemize item}{\includegraphics[height=0.6em]{blueball}}
\setbeamertemplate{itemize subitem}{\includegraphics[height=0.6em]{redball}}
\begin{itemize}
\item first item
\item second item
\begin{itemize}
\item blub
\end{itemize}
\end{itemize}
\end{frame}
\end{document}
다음을 사용하는 두 번째 솔루션tikz
\documentclass{beamer}
\usepackage{tikz}
\usetikzlibrary{shadows}
\setbeamertemplate{itemize item}{%
\begin{tikzpicture}
\shade[ball color=blue!50!white, preaction={fill=black,
opacity=.25,transform canvas={xshift=1mm,yshift=-1mm, yscale=0.5}}] (0,0) circle (0.6ex);
\end{tikzpicture}
}
\setbeamertemplate{itemize subitem}{%
\begin{tikzpicture}
\shade[ball color=red!50!white, preaction={fill=black,
opacity=.25,transform canvas={xshift=1mm,yshift=-1mm, yscale=0.5}}] (0,0) circle (0.6ex);
\end{tikzpicture}
}
\begin{document}
\begin{frame}
\begin{itemize}
\item first item
\item second item
\begin{itemize}
\item first item
\item second item
\end{itemize}
\end{itemize}
\end{frame}
\end{document}