%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% latex-via-exemplos-fig:
%   usado por latex-via-exemplos.tex
% ultima atualizacao: 06/03/2018 por Sadao Massago
% http:/www.dm.ufscar.br/~sadao
%-------------------------------------------------------
\documentclass[12pt,a4paper]{standalone}
%\usepackage[T1]{fontenc}
%\usepackage[utf8]{inputenc}
%\usepackage[brazil]{babel}
\usepackage{tikz}
\usetikzlibrary{patterns}
\begin{document}
\begin{tikzpicture}
\draw[pattern=north east lines] (-1,-1) rectangle(1,1);
\draw[fill=white] (0,0) circle(1);
\end{tikzpicture}
\end{document}