add Makie basic recipe (#465)

Author: Moelf

Project.toml

@@ -6,10 +6,12 @@ version = "3.2.4"
 
 [deps]
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
+MakieCore = "20f20a25-4f0e-4fdf-b5d1-57303727442b"
 RecipesBase = "3cdcf5f2-1ef4-517c-9805-6587b60abb01"
 
 [compat]
 RecipesBase = "0.7, 0.8, 1"
+MakieCore = "0.6"
 julia = "1.6"
 
 [extras]

src/Polynomials.jl

@@ -7,6 +7,7 @@ import Base: evalpoly
 include("abstract.jl")
 include("show.jl")
 include("plots.jl")
+include("makie.jl")
 include("contrib.jl")
 
 # Interface for all AbstractPolynomials

src/makie.jl

@@ -0,0 +1,8 @@
+import MakieCore
+
+function MakieCore.convert_arguments(P::Type{<:MakieCore.XYBased}, p::AbstractPolynomial) 
+    xs = poly_interval(p)
+    return MakieCore.convert_arguments(P, xs, p.(xs))
+end
+
+MakieCore.plottype(p::AbstractPolynomial) = MakieCore.Lines