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+% Copyright 2018 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{tikzlibrarysnakes.code.tex}
+
+\pgfwarning{Snakes have been superseded by
+decorations. Please use the decoration libraries instead of the snakes
+library}%
+
+\usetikzlibrary{decorations.pathmorphing,decorations.pathreplacing,decorations.shapes}%
+
+
+% Old snakes stuff:
+
+\tikzoption{snake}[]{%
+ \def\tikz@@snake{#1}%
+ \ifx\tikz@@snake\pgfutil@empty%
+ \tikz@snakedtrue%
+ \else%
+ \ifx\tikz@@snake\tikz@nonetext%
+ \tikz@snakedfalse%
+ \else%
+ \tikz@snakedtrue%
+ \let\tikz@snake=\tikz@@snake%
+ \fi%
+ \fi}%
+
+\tikzoption{raise snake}{\def\pgf@snake@raise{\pgftransformyshift{#1}}}%
+\tikzoption{mirror snake}[true]{%
+ \csname if#1\endcsname
+ \def\pgf@snake@mirror{\pgftransformyscale{-1}}%
+ \else%
+ \let\pgf@snake@mirror=\pgfutil@empty%
+ \fi
+}%
+
+\tikzoption{gap before snake}{\def\tikz@presnake{{moveto}{#1}{\noexpand\tikz@snake@install@trans}{}}}%
+\tikzoption{line before snake}{\def\tikz@presnake{{lineto}{#1}{\noexpand\tikz@snake@install@trans}{}}}%
+
+\tikzoption{gap after snake}{\def\tikz@postsnake{{moveto}{#1}{\noexpand\tikz@snake@install@trans}{}}\def\tikz@mainsnakelength{\pgfsnakeremainingdistance-#1}}%
+\tikzoption{line after snake}{\def\tikz@postsnake{{lineto}{#1}{\noexpand\tikz@snake@install@trans}{}}\def\tikz@mainsnakelength{\pgfsnakeremainingdistance-#1}}%
+
+\tikzoption{gap around snake}{%
+ \def\tikz@presnake{{moveto}{#1}{\noexpand\tikz@snake@install@trans}{}}%
+ \def\tikz@postsnake{{moveto}{#1}{\noexpand\tikz@snake@install@trans}{}}%
+ \def\tikz@mainsnakelength{\pgfsnakeremainingdistance-#1}%
+}%
+\tikzoption{line around snake}{%
+ \def\tikz@presnake{{lineto}{#1}{\noexpand\tikz@snake@install@trans}{}}%
+ \def\tikz@postsnake{{lineto}{#1}{\noexpand\tikz@snake@install@trans}{}}%
+ \def\tikz@mainsnakelength{\pgfsnakeremainingdistance-#1}%
+}%
+\let\pgf@snake@mirror=\pgfutil@empty
+\let\pgf@snake@raise=\pgfutil@empty
+
+\def\tikz@snake@install@trans{\pgfsetsnakesegmenttransformation{\pgf@snake@mirror\pgf@snake@raise}}%
+
+\def\tikz@snake{zigzag}%
+
+\let\tikz@presnake=\pgfutil@empty
+\let\tikz@postsnake=\pgfutil@empty
+\def\tikz@mainsnakelength{\pgfsnakeremainingdistance}%
+
+
+\tikzset{snake triangles 45/.style= {snake=triangles,segment object length=2.41421356\pgfsnakesegmentamplitude}}%
+\tikzset{snake triangles 60/.style= {snake=triangles,segment object length=1.73205081\pgfsnakesegmentamplitude}}%
+\tikzset{snake triangles 90/.style= {snake=triangles,segment object length=\pgfsnakesegmentamplitude}}%
+
+
+
+\endinput