//! [0]
QPainter painter(this);
QPen pen(Qt::green, 3, Qt::DashDotLine, Qt::RoundCap, Qt::RoundJoin);
painter.setPen(pen);
//! [0]


//! [1]
QPainter painter(this);
QPen pen();  // creates a default pen

pen.setStyle(Qt::DashDotLine);
pen.setWidth(3);
pen.setBrush(Qt::green);
pen.setCapStyle(Qt::RoundCap);
pen.setJoinStyle(Qt::RoundJoin);

painter.setPen(pen);
//! [1]


//! [2]
QPen pen;
QVector<qreal> dashes;
qreal space = 4;

dashes << 1 << space << 3 << space << 9 << space
           << 27 << space << 9;

pen.setDashPattern(dashes);
//! [2]


//! [3]
QPen pen;
QVector<qreal> dashes;
qreal space = 4;
dashes << 1 << space << 3 << space << 9 << space
           << 27 << space << 9;
pen.setDashPattern(dashes);
//! [3]