Update the symbol library.

* Add bipolar, IGFET and JFET transistors.
* Add more variants to some symbols.
* Add a symbol for a simple terminal.
* Avoid unneccessary stroke() calls.
* Fix comments.

1 files changed, 73 insertions, 0 deletions

diff --git a/share/library/Active/bipolar.lua b/share/library/Active/bipolar.lua
new file mode 100644
index 0000000..f08983f
--- /dev/null
+++ b/share/library/Active/bipolar.lua
@@ -0,0 +1,73 @@
+-- Symbol names
+local names_npn =
+{
+	en = "NPN transistor",
+	cs = "Tranzistor NPN"
+}
+
+local names_pnp =
+{
+	en = "PNP transistor",
+	cs = "Tranzistor PNP"
+}
+
+-- Render area in base units (X1, Y1, X2, Y2)
+local area = {-2, -2, 2, 2}
+
+-- Terminal points
+local terminals = {{-2, 0}, {2, 2}, {2, -2}}
+
+-- Rendering
+local render = function (cr)
+	-- The terminals
+	cr.move_to (-2, 0)
+	cr.line_to (0, 0)
+
+	cr.move_to (0, 0.5)
+	cr.line_to (2, 2)
+
+	cr.move_to (0, -0.5)
+	cr.line_to (2, -2)
+
+	-- The ohmic connection
+	cr.move_to (0, -1)
+	cr.line_to (0, 1)
+
+	cr.stroke ()
+end
+
+local render_npn = function (cr)
+	render (cr)
+
+	cr.save ()
+	cr.translate (0, -0.5)
+	cr.rotate (math.atan2 (-2, -1.5))
+
+	cr.move_to (-0.4, 0.8)
+	cr.line_to (0, 1.4)
+	cr.line_to (0.4, 0.8)
+
+	cr.stroke ()
+	cr.restore ()
+end
+
+local render_pnp = function (cr)
+	render (cr)
+
+	cr.save ()
+	cr.translate (2, -2)
+	cr.rotate (math.atan2 (2, 1.5))
+
+	cr.move_to (-0.4, 1.3)
+	cr.line_to (0, 1.9)
+	cr.line_to (0.4, 1.3)
+
+	cr.stroke ()
+	cr.restore ()
+end
+
+-- Register the symbols
+logdiag.register ("NPN", names_npn, area, terminals, render_npn)
+logdiag.register ("PNP", names_pnp, area, terminals, render_pnp)
+
+