Update symbol library.

* Workaround the Windows pangocairo bug by drawing text
  with curves. Remove some of the meters.
* Remove terminal lines from meters and voltage sources,
  add vertical terminal points instead.

share/library/Misc/meters.lua

@@ -5,79 +5,48 @@ local names_A =
 	cs = "Ampérmetr"
 }
 
-local names_mA =
-{
-	en = "Milliammeter",
-	cs = "Miliampérmetr"
-}
-
 local names_V =
 {
 	en = "Voltmeter",
 	cs = "Voltmetr"
 }
 
-local names_ohm =
-{
-	en = "Ohmmeter",
-	cs = "Ohmmetr"
-}
-
-local names_W =
-{
-	en = "Wattmeter",
-	cs = "Wattmetr"
-}
-
 -- Render area in base units (X1, Y1, X2, Y2)
-local area = {-3, -2, 3, 2}
+local area = {-2, -2, 2, 2}
 
 -- Terminal points
-local terminals = {{-3, 0}, {3, 0}}
+local terminals = {{-2, 0}, {2, 0}, {0, -2}, {0, 2}}
 
 -- Rendering
-local render = function (cr, name)
+local render_A = function (cr)
 	-- The circle
 	cr.arc (0, 0, 2, 0, math.pi * 2)
 
-	-- The contact
-	cr.move_to (-3, 0)
-	cr.line_to (-2, 0)
+	-- The letter A
+	cr.move_to (-0.4, 0.5)
+	cr.line_to (0, -0.5)
+	cr.line_to (0.4, 0.5)
 
-	cr.move_to (2, 0)
-	cr.line_to (3, 0)
+	cr.move_to (-0.3, 0.25)
+	cr.line_to (0.3, 0.25)
 
 	cr.stroke ()
-
-	cr.move_to (0, 0)
-	cr.show_text (name)
-end
-
-local render_A = function (cr)
-	render (cr, "A")
-end
-
-local render_mA = function (cr)
-	render (cr, "mA")
 end
 
 local render_V = function (cr)
-	render (cr, "V")
-end
+	-- The circle
+	cr.arc (0, 0, 2, 0, math.pi * 2)
 
-local render_ohm = function (cr)
-	render (cr, "Ω")
-end
+	-- The letter V
+	cr.move_to (-0.4, -0.5)
+	cr.line_to (0, 0.5)
+	cr.line_to (0.4, -0.5)
 
-local render_W = function (cr)
-	render (cr, "W")
+	cr.stroke ()
 end
 
 -- Register the symbols
 logdiag.register ("Ammeter",      names_A,   area, terminals, render_A)
-logdiag.register ("Milliammeter", names_mA,  area, terminals, render_mA)
 logdiag.register ("Voltmeter",    names_V,   area, terminals, render_V)
-logdiag.register ("Ohmmeter",     names_ohm, area, terminals, render_ohm)
-logdiag.register ("Wattmeter",    names_W,   area, terminals, render_W)
 
 

share/library/Misc/voltage-source.lua

@@ -12,23 +12,17 @@ local names_dc =
 }
 
 -- Render area in base units (X1, Y1, X2, Y2)
-local area = {-3, -2, 3, 2}
+local area_ac = {-2, -2, 2, 2}
+local area_dc = {-2, -2, 3, 2}
 
 -- Terminal points
-local terminals = {{-3, 0}, {3, 0}}
+local terminals = {{-2, 0}, {2, 0}, {0, -2}, {0, 2}}
 
 -- Rendering
 local render = function (cr)
 	-- The circle
 	cr.arc (0, 0, 2, 0, math.pi * 2)
 
-	-- The terminals
-	cr.move_to (-3, 0)
-	cr.line_to (-2, 0)
-
-	cr.move_to (2, 0)
-	cr.line_to (3, 0)
-
 	cr.stroke ()
 end
 
@@ -66,7 +60,7 @@ local render_dc = function (cr)
 end
 
 -- Register the symbol
-logdiag.register ("ACSource", names_ac, area, terminals, render_ac)
-logdiag.register ("DCSource", names_dc, area, terminals, render_dc)
+logdiag.register ("ACSource", names_ac, area_ac, terminals, render_ac)
+logdiag.register ("DCSource", names_dc, area_dc, terminals, render_dc)