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.

share/library/Misc/ground.lua

@@ -8,7 +8,7 @@ local names =
 -- Render area in base units (X1, Y1, X2, Y2)
 local area = {-1, -1, 1, 2}
 
--- Terminals
+-- Terminal points
 local terminals = {{0, -1}}
 
 -- Rendering

share/library/Misc/lamp.lua

@@ -8,7 +8,7 @@ local names =
 -- Render area in base units (X1, Y1, X2, Y2)
 local area = {-2, -1, 2, 1}
 
--- Terminals
+-- Terminal points
 local terminals = {{-2, 0}, {2, 0}}
 
 -- Rendering
@@ -25,16 +25,17 @@ local render = function (cr)
 
 	cr.move_to (1, -1)
 	cr.line_to (-1, 1)
-	cr.stroke ()
 
+	cr.stroke ()
 	cr.restore ()
 
-	-- The contacts
+	-- The terminals
 	cr.move_to (-2, 0)
 	cr.line_to (-1, 0)
 
 	cr.move_to (1, 0)
 	cr.line_to (2, 0)
+
 	cr.stroke ()
 end
 

share/library/Misc/power-source.lua

@@ -8,7 +8,7 @@ local names =
 -- Render area in base units (X1, Y1, X2, Y2)
 local area = {-1, -2, 1, 2}
 
--- Terminals
+-- Terminal points
 local terminals = {{-1, 0}, {1, 0}}
 
 -- Rendering
@@ -20,7 +20,7 @@ local render = function (cr)
 	cr.move_to (0.2, -2)
 	cr.line_to (0.2, 2)
 
-	-- The contacts
+	-- The terminals
 	cr.move_to (-1, 0)
 	cr.line_to (-0.2, 0)
 

share/library/Misc/switch.lua

@@ -8,16 +8,16 @@ local names =
 -- Render area in base units (X1, Y1, X2, Y2)
 local area = {-2, -1.5, 2, 0}
 
--- Terminals
+-- Terminal points
 local terminals = {{-2, 0}, {2, 0}}
 
 -- Rendering
-local render_normal = function (cr)
+local render = function (cr)
 	-- The switch contact
 	cr.move_to (1.3, -1.3)
 	cr.line_to (-1, 0)
 
-	-- The contacts
+	-- The terminals
 	cr.move_to (-2, 0)
 	cr.line_to (-1, 0)
 
@@ -28,6 +28,6 @@ local render_normal = function (cr)
 end
 
 -- Register the symbol
-logdiag.register ("Switch", names, area, terminals, render_normal)
+logdiag.register ("Switch", names, area, terminals, render)
 
 

share/library/Misc/terminal.lua

@@ -0,0 +1,29 @@
+-- Symbol name
+local names =
+{
+	en = "Terminal",
+	cs = "Terminál"
+}
+
+-- Render area in base units (X1, Y1, X2, Y2)
+local area = {-1, -0.5, 0.5, 0.5}
+
+-- Terminal points
+local terminals = {{-1, 0}}
+
+-- Rendering
+local render = function (cr)
+	-- The circle
+	cr.arc (0, 0, 0.3, 0, math.pi * 2)
+
+	-- The contact
+	cr.move_to (-1, 0)
+	cr.line_to (-0.3, 0)
+
+	cr.stroke ()
+end
+
+-- Register the symbol
+logdiag.register ("Terminal", names, area, terminals, render)
+
+