dendogram.py 文件源码

def boundingRect(self):
        """
        Computes the bounding recatangle for every edge 
        """
        if not self.source() or not self.dest():
            return QtCore.QRectF()

        return QtCore.QRectF(self.sourcePoint,
                             QtCore.QSizeF(self.destPoint.x() - self.sourcePoint.x(),
                                           self.destPoint.y() - self.sourcePoint.y()))