Find centralized, trusted content and collaborate around the technologies you use most.
Teams
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
QString str = QString::number((double)i, 'd', 1); painter->drawText(100 + i * 800/9 - 6, 910, 40, 40, 0, str );
fontSize を 2 倍に増やしたいのですが、何が表示されていますか?
これが最も簡単な方法です
painter.setFont(QFont("times",22)); //22 is a number which you have to change