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% Copyright 2007 by Till Tantau
%
% This file may be distributed and/or modified
%
% 1. under the LaTeX Project Public License and/or
% 2. under the GNU Public License.
%
% See the file doc/generic/pgf/licenses/LICENSE for more details.
%
% In addition to the above licenses, this particular file may also be
% directly inlined into other documents and this copyright notice may
% be removed. Additionally, when you inline this file, you may modify
% it as needed and you may remove comments.
%
% This file is intended to be distributed or even inlined into a file
% when a document needs to be typeset on a system that does not have
% pgf/TikZ installed.
% "environment" for reading an external graphic. Note that there are
% no (!) braces around the "name" of the environment
%
% #1 = name of the graphics file
%
% Example:
%
% \beginpgfgraphicnamed{mygraph}
% \begin{tikzpicture}
% ...
% \end{tikzpicture}
% \endpgfgraphicnamed
\long\def\beginpgfgraphicnamed#1#2\endpgfgraphicnamed{%
\begingroup
\setbox1=\hbox{\includegraphics{#1}}%
\openin1=#1.dpth
\ifeof1 \box1
\else
\read1 to\pgfincludeexternalgraphicsdp \closein1
\dimen0=\pgfincludeexternalgraphicsdp\relax
\hbox{\lower\dimen0 \box1 }%
\fi
\endgroup
}
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