QPen startpen(Qt::DotLine);
QPen endpen(Qt::DashDotLine);
startpen.setColor(QColor(100, 200, 100, 140));
endpen.setColor(QColor(200, 100, 100, 140));
QPen startpen(Qt::DotLine);
QPen endpen(Qt::DashDotLine);
startpen.setColor(QColor(100, 200, 100, 140));
endpen.setColor(QColor(200, 100, 100, 140));