Legend

using AbstractPlotting

scene = Scene(resolution = (500, 500))
x = map([:dot, :dash, :dashdot], [2, 3, 4]) do ls, lw
    linesegments!(
        range(1, stop = 5, length = 100), rand(100), rand(100),
        linestyle = ls, linewidth = lw,
        color = rand(RGBAf0)
    )[end]
end
x = [x..., scatter!(range(1, stop=5, length=100), rand(100), rand(100))[end]]
center!(scene)
ls = AbstractPlotting.legend(x, ["attribute $i" for i in 1:4], camera = campixel!, raw = true)

st = Stepper(vbox(scene, ls), "output")
l = ls[end]
l[:strokecolor] = RGBAf0(0.8, 0.8, 0.8)
step!(st)
l[:gap] = 15
step!(st)
l[:textsize] = 12
step!(st)
l[:linepattern] = Point2f0[(0,-0.2), (0.5, 0.2), (0.5, 0.2), (1.0, -0.2)]
step!(st)
l[:scatterpattern] = decompose(Point2f0, Circle(Point2f0(0.5, 0), 0.3f0), 9)
l[:markersize] = 2f0
step!(st)
st