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-rw-r--r--graphics/pgf/contrib/circuitikz/tex/pgfcircquadpoles.tex136
1 files changed, 136 insertions, 0 deletions
diff --git a/graphics/pgf/contrib/circuitikz/tex/pgfcircquadpoles.tex b/graphics/pgf/contrib/circuitikz/tex/pgfcircquadpoles.tex
index 68ecb33d4a..692b6ec40c 100644
--- a/graphics/pgf/contrib/circuitikz/tex/pgfcircquadpoles.tex
+++ b/graphics/pgf/contrib/circuitikz/tex/pgfcircquadpoles.tex
@@ -839,8 +839,144 @@
\endpgfscope
}
+}
+
+%% gridnode
+\pgfdeclareshape{gridnode}
+{
+ \savedmacro{\ctikzclass}{\edef\ctikzclass{blocks}}
+ \saveddimen{\scaledRlen}{\pgfmathsetlength{\pgf@x}{\ctikzvalof{\ctikzclass/scale}\pgf@circ@Rlen}}
+ \savedanchor\northwest{
+ \pgfmathsetlength{\pgf@circ@scaled@Rlen}{\ctikzvalof{\ctikzclass/scale}\pgf@circ@Rlen}
+ \pgf@y=\ctikzvalof{quadpoles/gridnode/width}\pgf@circ@scaled@Rlen
+ \pgf@y=.5\pgf@y
+ \pgf@x=-\ctikzvalof{quadpoles/gridnode/width}\pgf@circ@scaled@Rlen
+ \pgf@x=.5\pgf@x
+ }
+ \anchor{center}{
+ \pgfpointorigin
+ }
+
+ \anchor{north}{
+ \northwest
+ \pgf@x=0pt
+ }
+ \anchor{up}{
+ \northwest
+ \pgf@x=0pt
+ }
+ \anchor{south}{
+ \northwest
+ \pgf@x=0pt
+ \pgf@y=-\pgf@y
+ }
+ \anchor{down}{
+ \northwest
+ \pgf@x=0pt
+ \pgf@y=-\pgf@y
+ }
+ \anchor{east}{
+ \northwest
+ \pgf@y=0pt
+ \pgf@x=-\pgf@x
+ }
+ \anchor{right}{
+ \northwest
+ \pgf@y=0pt
+ \pgf@x=-\pgf@x
+ }
+ \anchor{west}{
+ \northwest
+ \pgf@y=0pt
+ }
+ \anchor{left}{
+ \northwest
+ \pgf@y=0pt
}
+ \anchor{south west}{
+ \northwest
+ \pgf@y=-\pgf@y
+ }
+ \anchor{north east}{
+ \northwest
+ \pgf@x=-\pgf@x
+ \relax
+ }
+ \anchor{north west}{
+ \northwest
+ }
+ \anchor{south east}{
+ \northwest
+ \pgf@x=-\pgf@x
+ \pgf@y=-\pgf@y
+ }
+ \anchor{text}{
+ \pgf@x=-2\pgf@x
+ \advance \pgf@x by -.5\wd\pgfnodeparttextbox
+ \advance \pgf@y by -1.5\ht\pgfnodeparttextbox
+ }
+ \backgroundpath{
+ \pgfsetcolor{\ctikzvalof{color}}
+ \pgf@circ@scaled@Rlen=\scaledRlen
+ \pgf@circ@res@step=\ctikzvalof{quadpoles/gridnode/width}\pgf@circ@scaled@Rlen
+
+ \northwest
+ \pgf@circ@res@up = \pgf@y
+ \pgf@circ@res@down = -\pgf@y
+ \pgf@circ@res@right = -\pgf@x
+ \pgf@circ@res@left = \pgf@x
+
+ \pgf@circ@res@step = \ctikzvalof{quadpoles/gridnode/width}\pgf@circ@scaled@Rlen
+ \divide \pgf@circ@res@step by 2
+
+ \pgfpathmoveto{\pgfpoint{\pgf@circ@res@left}{\pgf@circ@res@zero}}
+ \pgf@circ@res@other = \pgf@circ@res@left
+ \advance\pgf@circ@res@other by \pgf@circ@res@step
+
+ \ifpgf@circuit@dashed
+ \pgfsetdash{{0.1cm}{0.1cm}}{0cm}
+ \fi
+
+ % draw outer box
+ \pgf@circ@twoportbox
+
+
+ \ifpgf@circuit@inputarrow
+ {
+ \advance \pgf@circ@res@left by -.5\ctikzvalof{bipoles/thickness}\pgfstartlinewidth
+ \pgftransformshift{\pgfpoint{\pgf@circ@res@left}{0pt}}
+ \pgfnode{inputarrow}{tip}{}{pgf@inputarrow}{\pgfusepath{fill}}
+ }
+ \fi
+
+ \pgfsetdash{}{0pt} % always draw solid line for inner symbol
+ \pgfsetarrows{-} %never draw arrows
+ \pgfsetlinewidth{0.05mm}
+
+ % draw grid
+ \foreach \line in {-1,-.5,...,1}
+ {
+ \pgfpathmoveto{\pgfpoint{\line\pgf@circ@res@right}{\pgf@circ@res@up}}
+ \pgfpathlineto{\pgfpoint{\pgf@circ@res@right}{\line\pgf@circ@res@up}}
+
+ \pgfpathmoveto{\pgfpoint{\line\pgf@circ@res@right}{\pgf@circ@res@up}}
+ \pgfpathlineto{\pgfpoint{\pgf@circ@res@left}{\line\pgf@circ@res@down}}
+ }
+
+ %prevent from draw the inner cross twice
+ \foreach \line in {-.5,0,...,.5}
+ {
+ \pgfpathmoveto{\pgfpoint{\line\pgf@circ@res@right}{\pgf@circ@res@down}}
+ \pgfpathlineto{\pgfpoint{\pgf@circ@res@left}{\line\pgf@circ@res@up}}
+
+ \pgfpathmoveto{\pgfpoint{\line\pgf@circ@res@right}{\pgf@circ@res@down}}
+ \pgfpathlineto{\pgfpoint{\pgf@circ@res@right}{\line\pgf@circ@res@down}}
+ }
+ \pgfusepath{draw}
+ }
+}
+
% Wilkinson divider
\pgfdeclareshape{wilkinson}{