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

1 files changed, 41 insertions, 0 deletions

diff --git a/share/library/Logical/and.lua b/share/library/Logical/and.lua
new file mode 100644
index 0000000..57f7325
--- /dev/null
+++ b/share/library/Logical/and.lua
@@ -0,0 +1,41 @@
+-- Symbol name
+names =
+{
+	en = "AND",
+	cs = "AND"
+}
+
+-- Render area in base units (X1, Y1, X2, Y2)
+area = {-4, -2, 5, 2}
+
+-- Terminals
+terminals = {{-4, -1}, {-4, 1}, {5, 0}}
+
+-- Rendering
+render = function (cr)
+	-- The main shape
+	cr.move_to (-2, -2)
+	cr.line_to (1, -2)
+	cr.arc (1, 0, 2, math.pi * 1.5, math.pi * 0.5)
+	cr.line_to (-2, 2)
+	cr.close_path ()
+	cr.stroke ()
+
+	-- The contacts
+	cr.move_to (-4, -1)
+	cr.line_to (-2, -1)
+	cr.stroke ()
+
+	cr.move_to (-4, 1)
+	cr.line_to (-2, 1)
+	cr.stroke ()
+
+	cr.move_to (3, 0)
+	cr.line_to (5, 0)
+	cr.stroke ()
+end
+
+-- Register the symbol
+logdiag.register ("AND", names, area, terminals, render)
+
+