set_background_image function
Implementation
@ffi.Native<
ffi.Void Function(ffi.Pointer<ffi.Void>, ffi.Pointer<ffi.Char>, ffi.Bool)>()
external void set_background_image(
ffi.Pointer<ffi.Void> viewer,
ffi.Pointer<ffi.Char> path,
bool fillHeight,
);