%% 
%%  \protect \LaTeX  -Referenz, 1. Auf"|lage 2007
%% 
%%  Example 7-3-2 on page 97.
%% 
%%  Copyright (C) 2007 Herbert Voss
%% 
%%  It may be distributed and/or modified under the conditions
%%  of the LaTeX Project Public License, either version 1.3
%%  of this license or (at your option) any later version.
%% 
%%  See http://www.latex-project.org/lppl.txt for details.
%% 

\documentclass{ttctexa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{355.65944pt}
\setlength\parindent{0pt}
\setlength\fboxsep{0pt}
\StartShownPreambleCommands
\usepackage{graphicx}
\StopShownPreambleCommands
\begin{document}
  X\_\fbox{\includegraphics[scale=0.5]{B}}\_X
  X\_\fbox{\includegraphics[bb=120 600 150 650]{B}}\_X\qquad
  X\_\fbox{\includegraphics[bb=120 600 150 650, clip]{B}}\_X\qquad
  X\_\fbox{\includegraphics[viewport=20 10 80 80]{B}}\_X
\end{document}