logdiag/share/library/Misc/signs.lua
Přemysl Janouch a1b79a55d2 Change how Cairo is presented to Lua scripts.
Makes the whole thing a bit more stable and less weird.
2012-08-12 06:10:27 +02:00

51 lines
878 B
Lua

-- Symbol names
local names_plus =
{
en = "Plus sign",
cs = "Znaménko plus",
sk = "Znamienko plus",
pl = "Znaczek plus",
de = "Pluszeichen"
}
local names_minus =
{
en = "Minus sign",
cs = "Znaménko mínus",
sk = "Znamienko mínus",
pl = "Znaczek minus",
de = "Minuszeichen"
}
-- Render area in base units (X1, Y1, X2, Y2)
local area = {-0.5, -0.5, 0.5, 0.5}
-- Terminal points
local terminals = {}
-- Rendering
local render_plus = function (cr)
-- The plus sign
cr:move_to (0, -0.4)
cr:line_to (0, 0.4)
cr:move_to (-0.4, 0)
cr:line_to (0.4, 0)
cr:stroke ()
end
local render_minus = function (cr)
-- The minus sign
cr:move_to (-0.4, 0)
cr:line_to (0.4, 0)
cr:stroke ()
end
-- Register the symbols
logdiag.register ("SignPlus", names_plus, area, terminals, render_plus)
logdiag.register ("SignMinus", names_minus, area, terminals, render_minus)