Plot picture with distorted delaunay mesh in Makie

distortdelaunay.jl

using VoronoiDelaunay
using StaticArrays
using Makie, GeometryTypes, GLVisualize#, GLWindow
srand(10)
const Point = SArray{Tuple{2},Float64,1,2}       # point in 2

q0 = rand(Point, 20)
qT = q0 + 0.2 .*rand(Point, 20)

module IdPoints
    using VoronoiDelaunay

    import VoronoiDelaunay: getx, gety
    export getx, gety, getid, IdPoint
    immutable IdPoint <: AbstractPoint2D
        _x::Float64
        _y::Float64
        index::Int64 
    end

    IdPoint(x, y) = IdPoint(x, y, -1) 
    getx(p::IdPoint) = p._x
    gety(p::IdPoint) = p._y
    getid(p::IdPoint) = p.index
end
using IdPoints

function scale12(qs)
    xl, xu = extrema(first.(qs))
    yl, yu = extrema(last.(qs))
    pts = [IdPoint(1.0 + eps() + (1-3eps())*(qs[i][1]-xl)/(xu-xl),
                    1.0 + eps() + (1-3eps())*(qs[i][2]-yl)/(yu-yl), i)  for i in 1:length(qs)]
    # the first for indices are reserved for the corners
    pts, (xl, xu, yl, yu)
end
tessel = DelaunayTessellation2D{IdPoint}()

pts0, scal = scale12(q0)
ptsT, scal = scale12(qT)

for pt in pts0
    push!(tessel, pt)
end

faces = GeometryTypes.Face{3,GeometryTypes.OffsetInteger{-1,UInt32}}[]
for tr in tessel
#    println(getx(tr._a), ",", getx(tr._b), ",", getx(tr._c) )
#    println(gety(tr._a), ",", gety(tr._b), ",", gety(tr._c) )
#    println(getid(tr._a), ",", getid(tr._b), ",", getid(tr._c))

    push!(faces, GeometryTypes.Face{3,GeometryTypes.OffsetInteger{-1,UInt32}}(getid(tr._a), getid(tr._b), getid(tr._c)))
end
#corners = [IdPoint(1.0, 1.0, 2), IdPoint(2.0, 1.0, 2), IdPoint(1.0, 2.0, 3), IdPoint(2.0, 2.0, 4)]

vertices = [Point3f0(getx(pt)-1, gety(pt)-1, 0) for pt in ptsT]
uv = [UV{Float32}(getx(pt)-1, gety(pt)-1) for pt in pts0]


scene = Scene(resolution = (500, 500))
img = loadasset("doge.png");

mesh = GLNormalUVMesh(vertices = vertices, texturecoordinates = uv, faces = faces)

Makie.mesh(mesh, color = img, shading = false)
wireframe(mesh)
scatter(vertices,  markersize=0.01f0)
#scatter(uv,  markersize=0.01f0)

center!(scene)