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authorPřemysl Janouch <p.janouch@gmail.com>2011-02-11 18:37:00 +0100
committerPřemysl Janouch <p.janouch@gmail.com>2011-02-11 18:37:00 +0100
commit299ce010bd8f2f5a65e4fa5a033a122b318b8c83 (patch)
tree3ceb61879650472395d20342a8007306182f03b2 /share/library/Active/bipolar.lua
parent2c5f2f5b3f4782b25b35f1afc3ab63dd19b48a28 (diff)
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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.
Diffstat (limited to 'share/library/Active/bipolar.lua')
-rw-r--r--share/library/Active/bipolar.lua73
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)
+
+