Add basic logical symbols (NOT, AND, OR).

1 files changed, 41 insertions, 0 deletions

diff --git a/share/library/Logical/not.lua b/share/library/Logical/not.lua
new file mode 100644
index 0000000..94117be
--- /dev/null
+++ b/share/library/Logical/not.lua
@@ -0,0 +1,41 @@
+-- Symbol name
+names =
+{
+	en = "NOT",
+	cs = "NOT"
+}
+
+-- Render area in base units (X1, Y1, X2, Y2)
+area = {-4, -2, 4, 2}
+
+-- Terminals
+terminals = {{-4, 0}, {4, 0}}
+
+-- Rendering
+render = function (cr)
+	-- The triangle
+	cr.move_to (-2, -2)
+	cr.line_to (2, 0)
+	cr.line_to (-2, 2)
+	cr.close_path ()
+	cr.stroke ()
+
+	-- The circle
+	cr.new_sub_path ()
+	cr.arc (2.25, 0, 0.25, 0, 2 * math.pi)
+	cr.stroke ()
+
+	-- The contacts
+	cr.move_to (-4, 0)
+	cr.line_to (-2, 0)
+	cr.stroke ()
+
+	cr.move_to (2.5, 0)
+	cr.line_to (4, 0)
+	cr.stroke ()
+end
+
+-- Register the symbol
+logdiag.register ("NOT", names, area, terminals, render)
+
+