DeepImageStateAttribute::readValueFrom
    (OPENEXR_IMF_INTERNAL_NAMESPACE::IStream &is, int size, int version)
{
    unsigned char tmp;
    Xdr::read <StreamIO> (is, tmp);
    _value = DeepImageState (tmp);
}
DeepImageStateAttribute::readValueFrom
    (OPENEXR_IMF_INTERNAL_NAMESPACE::IStream &is, int size, int version)
{
    unsigned char tmp;
    Xdr::read <StreamIO> (is, tmp);
    _value = DeepImageState (tmp);
}