add PaddedViews.filltype specifications on Colorants #126
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This ensures that
fillvalue::Colorant
is of the dominant role of eltype of PaddedView.One consequence of this is transparent color is correctly filled even if
img
isn't of eltypeARGB
:This PR also reexports PaddedViews to introduce
PaddedView
andsym_paddedviews
(JuliaArrays/PaddedViews.jl#23)Ref: This is a rework of JuliaArrays/PaddedViews.jl#25 and co-operates JuliaArrays/PaddedViews.jl#26