fix UInt8 indexed image for im_from_matlab

JuliaImages · Apr 20, 2022 · 251fb2d · 251fb2d
1 parent 02c9214
commit 251fb2d
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diff --git a/src/matlab.jl b/src/matlab.jl
@@ -132,7 +132,7 @@ _im_from_matlab(::Type{CT}, X::AbstractArray{T}) where {CT<:Gray,T<:Real} = colo
 _im_from_matlab(::Type{CT}, X::AbstractArray{T,3}) where {CT<:Gray,T<:Real} = colorview(CT, X)
 
 # index image support
-im_from_matlab(index::AbstractArray, values::AbstractMatrix{T}) where T<:Real = im_from_matlab(RGB{T}, index, values)
+im_from_matlab(index::AbstractArray, values::AbstractMatrix{T}) where T<:Real = im_from_matlab(RGB, index, values)
 @static if VERSION >= v"1.3"
     function im_from_matlab(::Type{CT}, index::AbstractArray, values::AbstractMatrix{T}) where {CT<:Colorant, T<:Real}
         return IndirectArray(index, im_from_matlab(CT, values))

diff --git a/test/matlab.jl b/test/matlab.jl
@@ -149,6 +149,12 @@
             lab_values = permutedims(channelview(Lab.(img.values)), (2, 1))
             lab_img = im_from_matlab(Lab, index, lab_values)
             @test sum(abs2, channelview(RGB.(lab_img) - img)) < 1e-10
+
+            values = UInt8.(values .* 255)
+            img = im_from_matlab(index, values)
+            @test size(img) == (2, 5)
+            @test eltype(img) == RGB{N0f8}
+            @test img[2, 3] == RGB(0.0, 0.0, 1.0)
         end
     end