allow Vectors in Rect (#243)

* allow Vectors

* add tests

Author: ffreyer

src/primitives/rectangles.jl

@@ -95,6 +95,13 @@ end
 RectT{ T}(o::VecTypes{N},     w::VecTypes{N})     where {N, T}      = Rect{N, T}(o, w)
 Rect{N  }(o::VecTypes{N, T1}, w::VecTypes{N, T2}) where {N, T1, T2} = Rect{N, promote_type(T1, T2)}(o, w)
 
+# Arrays
+
+      Rect(o::AbstractVector{T1}, w::AbstractVector{T2}) where {T1, T2}    = RectT{promote_type(T1, T2)}(Vec(o...), Vec(w...))
+RectT{  T}(o::AbstractVector,     w::AbstractVector)     where {T}         = RectT{T}(Vec(o...), Vec(w...))
+Rect{N   }(o::AbstractVector{T1}, w::AbstractVector{T2}) where {N, T1, T2} = Rect{N, promote_type(T1, T2)}(Vec(o...), Vec(w...))
+Rect{N, T}(o::AbstractVector, w::AbstractVector) where {N, T}              = Rect{N, T}(Vec(o...), Vec(w...))
+
 # mixed number - vectype
 
       Rect(o::VecTypes{N, <:Number}, args::Vararg{Number, N}) where {N}    = Rect{N   }(o, promote(args...))

test/geometrytypes.jl

@@ -188,6 +188,12 @@ end
         @test Rect2{UInt32}(0.8, 0.1, 1.3, 1.9) == Rect2i(1,0,1,2)
         @test Rect3i(0.3, 0.6, 0.9, 1.2, 1.5, 1.8) == Rect3i(0,1,1,1,2,2)
     end
+    @testset "Vector inputs" begin
+        @test Rect([1,2], [2,3]) == Rect2i(1,2,2,3)
+        @test Rect2f([0,1], [2,3]) == Rect2f(0,1,2,3)
+        @test RectT{Float64}([0,1,0], [2,2,2]) == Rect3d(0,1,0, 2,2,2)
+        @test Rect3([0,1,0], [2,2,2]) == Rect3i(0,1,0, 2,2,2)
+    end
 
     # TODO: These don't really make sense...
     r = Rect2f()