std::istream& operator>> (std::istream& in, img::BITMAPFILEHEADER& value)
{
    in.read((char*)&value.bfType, sizeof(value.bfType));
    in.read((char*)&value.bfSize, sizeof(value.bfSize));
    in.read((char*)&value.bfReserved1, sizeof(value.bfReserved1));
    in.read((char*)&value.bfReserved2, sizeof(value.bfReserved2));
    in.read((char*)&value.bfOffBits, sizeof(value.bfOffBits));

    return in;
}