fix type targeting in connect

Author: ffreyer

src/viewtypes.jl

@@ -73,15 +73,25 @@ function connect(points::AbstractVector{Point},
 end
 
 function connect(points::AbstractVector{T}, ::Type{<:Point{N}}, skip::Int=N) where {T <: Real,N}
+    return connect(points, Point{N, T}, skip)
+end
+function connect(points::AbstractVector{_T}, ::Type{<:Point{N, T}}, skip::Int=N) where {T <: Real, N, _T <: Real}
     return map(Point{N,T}, TupleView{N,skip}(points))
 end
 
 function connect(indices::AbstractVector{T}, P::Type{<:AbstractFace{N}},
                          skip::Int=N) where {T <: Integer, N}
+    return connect(indices, Face(P, T), skip)
+end
+function connect(indices::AbstractVector{_T}, P::Type{<:AbstractFace{N, T}},
+                         skip::Int=N) where {T <: Integer, N, _T <: Integer}
     return collect(reinterpret(Face(P, T), TupleView{N, skip}(indices)))
 end
 
-function connect(points::AbstractMatrix{T}, P::Type{<:Point{N}}) where {T <: Real, N}
+function connect(points::AbstractMatrix{T}, ::Type{<:Point{N}}) where {T <: Real, N}
+    return connect(points, Point{N, T})
+end
+function connect(points::AbstractMatrix{_T}, P::Type{Point{N, T}}) where {T <: Real, N, _T <: Real}
     return if size(points, 1) === N
         return reinterpret(Point{N,T}, points)
     elseif size(points, 2) === N

test/polygons.jl

@@ -1,6 +1,9 @@
 @testset "Polygon" begin
     @testset "Constructors" begin
         points = connect([1, 2, 3, 4, 5, 6], Point2f)
+        @test points isa Vector{Point2f}
+        points = connect([1, 2, 3, 4, 5, 6], Point2)
+        @test points isa Vector{Point2i}
         polygon = Polygon(points)
         @test polygon == Polygon(points)
         @test polygon == copy(polygon)
@@ -23,8 +26,7 @@
         @test size(mp) == (3,) # TODO: What does size even mean here?
         @test length(mp) == 3
         @test MultiPolygon(OffsetArray([polygon, p1, p2], 0)) == mp
-        mp = MultiPolygon([Polygon(Point2f.()), p1, p2])
-
+        @test MultiPolygon([Polygon(Point2f.(points)), p1, p2]) == mp
     end
 
     rect = Rect2f(0, 0, 1, 1)