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+% Copyright 2007-2009 by Massimo Redaelli
+%
+% 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/LICENSE for more details.
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Other shapes
+
+
+%% Nothing
+
+\pgfdeclareshape{emptyshape}{
+ \savedanchor{\northeast}{%
+ \pgf@x=.5\wd\pgfnodeparttextbox%
+ \pgf@y=.5\ht\pgfnodeparttextbox%
+ }
+ \anchor{north}{
+ \northeast
+ \pgf@x=0cm
+ }
+ \anchor{east}{%
+ \northeast
+ \pgf@y=0cm
+ }
+ \anchor{south}{%
+ \northeast
+ \pgf@y=-\pgf@y
+ \pgf@x=0cm
+ }
+ \anchor{west}{
+ \northeast
+ \pgf@y=0cm
+ \pgf@x=-\pgf@x
+ }
+ \anchor{text}{%
+ \pgfpointorigin
+ }
+ \anchor{center}{
+ \pgfpointorigin
+ }
+}
+
+%% Full terminal
+
+\pgfdeclareshape{circ}{
+ \anchor{center}{
+ \pgfpointorigin
+ }
+ \anchorborder{
+ \pgf@circ@res@left=\pgf@x
+ \pgf@circ@res@up=\pgf@y
+ \pgfpointborderellipse{\pgfpoint{\pgf@circ@res@left}{\pgf@circ@res@up}
+}{\pgfpoint{\pgfkeysvalueof{/tikz/circuitikz/nodes width}*\pgfkeysvalueof{/tikz/circuitikz/bipoles/length}}{\pgfkeysvalueof{/tikz/circuitikz/nodes width}*\pgfkeysvalueof{/tikz/circuitikz/bipoles/length}}}
+ }
+ \behindforegroundpath{
+
+ \pgfscope
+ \pgfpathcircle{\pgfpointorigin}{\pgfkeysvalueof{/tikz/circuitikz/nodes width}*\pgfkeysvalueof{/tikz/circuitikz/bipoles/length}}
+ \pgfsetcolor{\pgfkeysvalueof{/tikz/circuitikz/color}}
+ \pgfusepath{draw,fill}
+ \endpgfscope
+
+ }
+}
+
+%% Empty terminal
+
+\pgfdeclareshape{ocirc}{
+ \anchor{center}{
+ \pgfpointorigin
+ }
+ \anchorborder{
+ \pgf@circ@res@left=\pgf@x
+ \pgf@circ@res@up=\pgf@y
+ \pgfpointborderellipse{\pgfpoint{\pgf@circ@res@left}{\pgf@circ@res@up}
+}{\pgfpoint{\pgfkeysvalueof{/tikz/circuitikz/nodes width}*\pgfkeysvalueof{/tikz/circuitikz/bipoles/length}}{\pgfkeysvalueof{/tikz/circuitikz/nodes width}*\pgfkeysvalueof{/tikz/circuitikz/bipoles/length}}}
+ }
+
+ \behindforegroundpath{
+
+ \pgfscope
+ \pgfpathcircle{\pgfpointorigin}{\pgfkeysvalueof{/tikz/circuitikz/nodes width}*\pgfkeysvalueof{/tikz/circuitikz/bipoles/length}}
+ \pgfsetcolor{\pgfkeysvalueof{/tikz/circuitikz/color}}
+ \pgfsetfillcolor{white}
+ \pgfusepath{draw,fill}
+ \endpgfscope
+
+ }
+}
+
+%% Current arrow
+
+\pgfdeclareshape{currarrow}{
+ \anchor{center}{
+ \pgfpointorigin
+ }
+ \behindforegroundpath{
+
+ \pgfscope
+ \pgf@circ@res@step = \pgfkeysvalueof{/tikz/circuitikz/bipoles/length}
+ \divide \pgf@circ@res@step by 16
+
+ \pgfpathmoveto{\pgfpoint{-.7\pgf@circ@res@step}{0pt}}
+ \pgfpathlineto{\pgfpoint{-.7\pgf@circ@res@step}{-.8\pgf@circ@res@step}}
+ \pgfpathlineto{\pgfpoint{1\pgf@circ@res@step}{0pt}}
+ \pgfpathlineto{\pgfpoint{-.7\pgf@circ@res@step}{.8\pgf@circ@res@step}}
+ \pgfpathlineto{\pgfpoint{-.7\pgf@circ@res@step}{0pt}}
+ \pgfsetcolor{\pgfkeysvalueof{/tikz/circuitikz/color}}
+ \pgfusepath{draw,fill}
+
+ \endpgfscope
+ }
+
+}
+
+%% Current arrow
+
+\pgfdeclareshape{inputarrow}{
+ \savedanchor{\tip}{
+ \pgfpointorigin
+ }
+ \anchor{center}{
+ \tip
+ }
+ \anchor{tip}{
+ \tip
+ }
+ \behindforegroundpath{
+
+ \pgfscope
+ \pgf@circ@res@step = \pgfkeysvalueof{/tikz/circuitikz/bipoles/length}
+ \divide \pgf@circ@res@step by 16
+
+ \pgfpathmoveto{\pgfpoint{-1.7\pgf@circ@res@step}{0pt}}
+ \pgfpathlineto{\pgfpoint{-1.7\pgf@circ@res@step}{-.8\pgf@circ@res@step}}
+ \pgfpathlineto{\pgfpoint{0pt}{0pt}}
+ \pgfpathlineto{\pgfpoint{-1.7\pgf@circ@res@step}{.8\pgf@circ@res@step}}
+ \pgfpathlineto{\pgfpoint{-1.7\pgf@circ@res@step}{0pt}}
+ \pgfsetcolor{\pgfkeysvalueof{/tikz/circuitikz/color}}
+ \pgfusepath{fill}
+
+ \endpgfscope
+ }
+
+}
+
+\endinput