TfFinder::getDA()
{
    std::string result;
    size_t n = this->DA.size();
    for (size_t i = 0; i < n; ++i)
    {
        std::string cur = this->DA.at(i);
        if (i == tf_idx)
        {
            double delta = strtod(cur.c_str(), 0) - this->tf;
            if ((delta > 0.001) || (delta < -0.001))
            {
                // tf doesn't match the font size passed to Tf, so
                // substitute.
                QTC::TC("qpdf", "QPDFFormFieldObjectHelper fallback Tf");
                cur = QUtil::double_to_string(tf);
            }
        }
        result += cur;
    }
    return result;
}
TfFinder::getDA()
{
    std::string result;
    size_t n = this->DA.size();
    for (size_t i = 0; i < n; ++i)
    {
        std::string cur = this->DA.at(i);
        if (i == tf_idx)
        {
            double delta = strtod(cur.c_str(), 0) - this->tf;
            if ((delta > 0.001) || (delta < -0.001))
            {
                 
                 
                QTC::TC("qpdf", "QPDFFormFieldObjectHelper fallback Tf");
                cur = QUtil::double_to_string(tf);
            }
        }
        result += cur;
    }
    return result;
}