Fix RefArray issue on julia nightly (#73)

JuliaIO · Nov 29, 2023 · 1f5604b · 1f5604b
1 parent 0248d70
commit 1f5604b
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/src/io.jl b/src/io.jl
@@ -253,7 +253,7 @@ function _load(png_ptr, info_ptr; gamma::Union{Nothing,Float64}=nothing, expand_
 end
 
 function _load!(buffer::Matrix{T}, png_ptr, info_ptr) where T    # separate to support precompilation of permutedims
-    png_read_image(png_ptr, map(pointer, eachcol(buffer)))
+    png_read_image(png_ptr, map(a -> Ptr{UInt8}(pointer(a)), eachcol(buffer)))
     png_read_end(png_ptr, info_ptr)
     png_destroy_read_struct(Ref{Ptr{Cvoid}}(png_ptr), Ref{Ptr{Cvoid}}(info_ptr), C_NULL)
     return permutedims(buffer, (2, 1))
@@ -520,9 +520,9 @@ function _write_image(buf::AbstractArray{T,2}, png_ptr::Ptr{Cvoid}, info_ptr::Pt
         ccall(
             (:png_write_image, libpng),
             Cvoid,
-            (Ptr{Cvoid}, Ptr{Ptr{T}}),
+            (Ptr{Cvoid}, Ptr{Ptr{UInt8}}),
             png_ptr,
-            map(pointer, eachcol(buf)),
+            map(a -> Ptr{UInt8}(pointer(a)), eachcol(buf)),
         )
     end
     png_write_end(png_ptr, info_ptr)