130 lines
2.1 KiB
Lua
130 lines
2.1 KiB
Lua
-- Symbol names
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local names =
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{
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en = "Diode",
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cs = "Dioda",
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sk = "Dióda",
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pl = "Dioda",
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de = "Diode"
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}
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local names_zener =
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{
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en = "Zener diode",
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cs = "Zenerova dioda",
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sk = "Zenerova dióda",
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pl = "Dioda Zenera",
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de = "Zenerdiode"
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}
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local names_led =
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{
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en = "Light-emitting diode",
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cs = "Svítivá dioda",
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sk = "Svietivá dióda",
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pl = "Dioda świecąca",
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de = "Lichtemittierende Diode"
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}
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local names_photo =
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{
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en = "Photodiode",
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cs = "Fotodioda",
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sk = "Fotodióda",
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pl = "Fotodioda",
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de = "Fotodiode"
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}
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-- Render area in base units (X1, Y1, X2, Y2)
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local area = {-2, -1, 2, 1}
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local area_rad = {-2, -2.5, 2, 1}
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-- Terminal points
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local terminals = {{-2, 0}, {2, 0}}
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-- Rendering
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local render = function (cr)
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-- The triangle
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cr:move_to (-1, -1)
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cr:line_to (1, 0)
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cr:line_to (-1, 1)
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cr:line_to (-1, -1)
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-- The vertical line
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cr:move_to (1, 1)
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cr:line_to (1, -1)
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-- The terminals
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cr:move_to (-2, 0)
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cr:line_to (2, 0)
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cr:stroke ()
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end
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local render_zener = function (cr)
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render (cr)
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cr:move_to (1, 1)
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cr:line_to (0.5, 1)
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cr:stroke ()
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end
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local render_arrow = function (cr)
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cr:move_to (0, 0)
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cr:line_to (0, -1.5)
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cr:stroke ()
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cr:move_to (-0.3, -0.7)
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cr:line_to (0, -1.5)
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cr:line_to (0.3, -0.7)
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cr:close_path ()
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cr:fill ()
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end
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local render_radiation = function (cr)
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cr:save ()
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cr:translate (-0.4, 0)
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render_arrow (cr)
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cr:restore ()
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cr:save ()
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cr:translate (0.4, 0)
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render_arrow (cr)
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cr:restore ()
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end
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local render_led = function (cr)
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render (cr)
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cr:save ()
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cr:translate (-0.3, -1.0)
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cr:rotate (math.atan2 (1, 1))
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render_radiation (cr)
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cr:restore ()
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end
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local render_photo = function (cr)
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render (cr)
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cr:save ()
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cr:translate (0.75, -2.05)
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cr:rotate (math.atan2 (-1, -1))
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render_radiation (cr)
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cr:restore ()
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end
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-- Register the symbol
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logdiag.register ("Diode", names, area, terminals, render)
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logdiag.register ("DiodeZener", names_zener, area, terminals, render_zener)
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logdiag.register ("DiodeLED", names_led, area_rad, terminals, render_led)
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logdiag.register ("DiodePhoto", names_photo, area_rad, terminals, render_photo)
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