1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
-- Symbol name
local names =
{
en = "Lamp",
cs = "Světelný zdroj",
sk = "Svetelný zdroj",
pl = "Źródło światła",
de = "Lampe"
}
-- Render area in base units (X1, Y1, X2, Y2)
local area = {-2, -1, 2, 1}
-- Terminal points
local terminals = {{-2, 0}, {2, 0}}
-- Rendering
local render = function (cr)
-- The circle
cr:save ()
cr:arc (0, 0, 1, 0, 2 * math.pi)
cr:stroke_preserve ()
cr:clip ()
cr:move_to (-1, -1)
cr:line_to (1, 1)
cr:move_to (1, -1)
cr:line_to (-1, 1)
cr:stroke ()
cr:restore ()
-- 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
-- Register the symbol
logdiag.register ("Lamp", names, area, terminals, render)
|
