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/igfet.lua b/share/library/Active/igfet.lua
new file mode 100644
index 0000000..4479269
--- /dev/null
+++ b/share/library/Active/igfet.lua
@@ -0,0 +1,73 @@
+-- Symbol names
+local names_igfet_n =
+{
+	en = "N-channel IGFET transistor",
+	cs = "Tranzistor IGFET s kanálem N"
+}
+
+local names_igfet_p =
+{
+	en = "P-channel IGFET transistor",
+	cs = "Tranzistor IGFET s kanálem P"
+}
+
+-- Render area in base units (X1, Y1, X2, Y2)
+local area = {-2, -1.5, 2, 1.5}
+
+-- Terminal points
+local terminals = {{-2, 1}, {2, 1}, {2, 0}, {2, -1}}
+
+-- Rendering
+local render = function (cr)
+	-- The terminals
+	cr.move_to (-2, 1)
+	cr.line_to (-0.3, 1)
+	cr.line_to (-0.3, -1)
+
+	cr.move_to (0, 1)
+	cr.line_to (2, 1)
+
+	cr.move_to (0, 0)
+	cr.line_to (2, 0)
+
+	cr.move_to (0, -1)
+	cr.line_to (2, -1)
+
+	-- Source, gate, drain
+	cr.move_to (0, -1.5)
+	cr.line_to (0, -0.5)
+
+	cr.move_to (0, -0.3)
+	cr.line_to (0, 0.3)
+
+	cr.move_to (0, 0.5)
+	cr.line_to (0, 1.5)
+
+	cr.stroke ()
+end
+
+local render_igfet_n = function (cr)
+	render (cr)
+
+	cr.move_to (0.9, -0.4)
+	cr.line_to (0.4, 0)
+	cr.line_to (0.9, 0.4)
+
+	cr.stroke ()
+end
+
+local render_igfet_p = function (cr)
+	render (cr)
+
+	cr.move_to (0.4, -0.4)
+	cr.line_to (0.9, 0)
+	cr.line_to (0.4, 0.4)
+
+	cr.stroke ()
+end
+
+-- Register the symbols
+logdiag.register ("IGFET-N", names_igfet_n, area, terminals, render_igfet_n)
+logdiag.register ("IGFET-P", names_igfet_p, area, terminals, render_igfet_p)
+
+