multiplot.py 文件源码

def __init__(self, parent):
        QtGui.QGraphicsItem.__init__(self, parent=parent)

        self.p1 = QtCore.QPointF()
        self.p2 = QtCore.QPointF()
        self.line = QtCore.QLineF(self.p1, self.p2)

        self.setOrientation(0., 0.)
        self.setZValue(10000)