added example for tikz circuit library

circuits/simple-example-tikz-circuit-library/Makefile

@@ -0,0 +1,31 @@
+SOURCE = simple-example-tikz-circuit-library
+DELAY = 80
+DENSITY = 300
+WIDTH = 500
+
+make:
+	pdflatex $(SOURCE).tex -output-format=pdf
+	make clean
+
+clean:
+	rm -rf  $(TARGET) *.class *.html *.log *.aux *.data *.gnuplot
+
+gif:
+	pdfcrop $(SOURCE).pdf
+	convert -verbose -delay $(DELAY) -loop 0 -density $(DENSITY) $(SOURCE)-crop.pdf $(SOURCE).gif
+	make clean
+
+png:
+	make
+	make svg
+	inkscape $(SOURCE).svg -w $(WIDTH) --export-png=$(SOURCE).png
+
+transparentGif:
+	convert $(SOURCE).pdf -transparent white result.gif
+	make clean
+
+svg:
+	#inkscape $(SOURCE).pdf --export-plain-svg=$(SOURCE).svg
+	pdf2svg $(SOURCE).pdf $(SOURCE).svg
+	# Necessary, as pdf2svg does not always create valid svgs:
+	inkscape $(SOURCE).svg --export-plain-svg=$(SOURCE).svg

circuits/simple-example-tikz-circuit-library/simple-example-tikz-circuit-library.tex

@@ -0,0 +1,21 @@
+\documentclass{article}
+\usepackage[pdftex,active,tightpage]{preview}
+\setlength\PreviewBorder{0mm}
+
+\usepackage{tikz}
+\usetikzlibrary{circuits.logic.IEC}
+
+\begin{document}
+\begin{preview}
+    \begin{tikzpicture}[circuit logic IEC]
+        \node[and gate, inputs={normal,normal}] (myand) {};
+        \draw (1,0) node[not gate, inputs={normal,normal}] (mynot) {};
+
+        \draw (myand.input 1 -| -0.8,0) node[anchor=east]{P} -- (myand.input 1);
+        \draw (myand.input 2 -| -0.8,0) node[anchor=east]{Q} -- (myand.input 2);
+
+        \draw (myand.output) -- (mynot.input);
+        \draw (mynot.output -| 1.8,0) node[anchor=west]{S} -- (mynot.output);
+    \end{tikzpicture}
+\end{preview}
+\end{document}