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% Copyright 2006 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.
\ProvidesFileRCS{tikzlibraryfadings.code.tex}
\usepgflibrary{fadings}%
%
% Environments for creating fadings
%
\def\tikzfadingfrompicture{%
\begingroup%
\setbox\pgfpic=\hbox\bgroup%
\tikzpicture%
}%
\def\endtikzfadingfrompicture{%
\global\let\tikz@smuggle=\tikz@fig@name%
\endtikzpicture
\egroup%
\pgfdeclarefading{\tikz@smuggle}{\box\pgfpic}%
\endgroup%
}%
% This makes it easier to maintain compatibility with the external lib:
\def\starttikzfadingfrompicture{\tikzfadingfrompicture}%
\def\stopttikzfadingfrompicture{\endtikzfadingfrompicture}%
\def\tikzfading[#1]{%
{%
\setbox\pgfpic=\hbox{%
\tikzset{#1}%
\global\let\tikz@smuggle=\tikz@fig@name%
\tikz{%
\useasboundingbox(0,0) (100bp,100bp);
\node at (50bp,50bp) [rotate=\tikz@shade@angle]
{\pgfuseshading{\tikz@shading}};
}%
}%
\pgfdeclarefading{\tikz@smuggle}{\box\pgfpic}%
}%
}%
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