add round() method and fix ambiguity

Author: ffreyer

src/primitives/rectangles.jl

@@ -10,11 +10,11 @@ struct HyperRectangle{N,T} <: GeometryPrimitive{N,T}
     origin::Vec{N,T}
     widths::Vec{N,T}
 
-    function HyperRectangle{N, T}(o::VecTypes{N, T1}, w::VecTypes{N, T2}) where {N, T, T1, T2}
-        return new{N, T}(Vec{N, T}(o...), Vec{N, T}(w...))
+    function HyperRectangle{N, T}(o::VecTypes, w::VecTypes) where {N, T}
+        return new{N, T}(convert(Vec{N, T}, o), convert(Vec{N, T}, w))
     end
-    function HyperRectangle{N, T}(o::VecTypes{N, T1}, w::VecTypes{N, T2}) where {N, T <: Integer, T1, T2}
-        return new{N, T}(Vec{N, T}(round.(T, o)...), Vec{N, T}(round.(T, w)...))
+    function HyperRectangle{N, T}(o::VecTypes, w::VecTypes) where {N, T <: Integer}
+        return new{N, T}(convert(Vec{N, T}, round.(T, o)), convert(Vec{N, T}, round.(T, w)))
     end
 end
 
@@ -161,6 +161,12 @@ height(prim::Rect) = prim.widths[2]
 volume(prim::HyperRectangle) = prod(prim.widths)
 area(prim::Rect2) = volume(prim)
 
+function Base.round(::Type{Rect{N, T}}, x::Rect{N}, mode::RoundingMode=RoundNearest) where {N, T}
+    mini = round.(T, minimum(x))
+    maxi = round.(T, maximum(x))
+    return Rect{N, T}(mini, maxi .- mini)
+end
+
 """
     split(rectangle, axis, value)