Drawing text in QtOpenGLWidget

[stevereine]

I have the following code in the overridden PaintGL() function in my QtOpenGLWidget. It draw the ellipse, but not the text. What do I need to do to make the text visible? Just 2D text for now, that's all I need.

FYI - I am also using OpenGL drawing functions in this PaintGL() function, and they are all working fine.

QPainter painter(this);

painter.begin(this);

painter.setRenderHint(QPainter::TextAntialiasing);
QColor fontcolor = QColor(1,0,0,1);
QFont font = QFont("Arial",20);

painter.setFont(font);
painter.setPen(fontcolor);
painter.drawText(200,500,"hello");

painter.setRenderHint(QPainter::Antialiasing, true);
painter.setPen(QPen(Qt::black,3,Qt::DashDotLine, Qt::RoundCap));
painter.setBrush(QBrush(Qt::green, Qt::SolidPattern));
painter.drawEllipse(200, 80, 400, 240);

painter.setFont(font);
painter.setPen(fontcolor);
painter.drawText(200,80,"hello, world");

painter.end();