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-- Symbol names
local names_ac =
{
en = "AC voltage source",
cs = "Střídavý zdroj napětí",
sk = "Striedavý zdroj napätia",
pl = "Źródło prądu zmiennego",
de = "Wechselstromquelle"
}
local names_dc =
{
en = "DC voltage source",
cs = "Stejnosměrný zdroj napětí",
sk = "Stejnosmerný zdroj napätia",
pl = "Źródło prądu stałego",
de = "Gleichstromquelle"
}
-- Render area in base units (X1, Y1, X2, Y2)
local area = {-2, -2, 2, 2}
-- Terminal points
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)
cr:stroke ()
end
local render_ac = function (cr)
render (cr)
-- The AC symbol
cr:move_to (-1, 0.25)
cr:curve_to (-0.4, -1.5, 0.4, 1.5, 1, -0.25)
cr:stroke ()
end
local render_dc = function (cr)
render (cr)
-- The DC symbol
cr:move_to (-1, -0.25)
cr:line_to (1, -0.25)
cr:move_to (-1, 0.25)
cr:line_to (-0.2, 0.25)
cr:move_to (0.2, 0.25)
cr:line_to (1, 0.25)
cr:stroke ()
end
-- Register the symbols
logdiag.register ("ACSource", names_ac, area, terminals, render_ac)
logdiag.register ("DCSource", names_dc, area, terminals, render_dc)
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