MagickProgressMonitor typedef
MagickProgressMonitor = Pointer<NativeFunction<Int32 Function(Pointer<Char> , MagickOffsetType, MagickSizeType, Pointer<Void> )> >
Implementation
typedef MagickProgressMonitor = ffi.Pointer<
ffi.NativeFunction<
ffi.Int32 Function(ffi.Pointer<ffi.Char>, MagickOffsetType,
MagickSizeType, ffi.Pointer<ffi.Void>)>>;