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