#include <QtWidgets>

int main(int argc, char **argv)
{
    QApplication a(argc, argv);
    int id = QFontDatabase::addApplicationFont(":/fonts/Futura-Med.otf");
    QFontDatabase::addApplicationFont(":/fonts/FuturaCon-Med.otf");
    QFontDatabase::addApplicationFont(":/fonts/hg5.ttf");
    QFontDatabase::addApplicationFont(":/fonts/hybt1gjm.ttf");
    QFont futura(QFontDatabase::applicationFontFamilies(id).first(), 11, 50); 
    QFontInfo fi(futura);
    qDebug() << fi.family() << fi.pointSize() << fi.pixelSize();
    return 0;
}