tab_quadtree.py 文件源码

def updateEraseBox(self, p1, p2):
        r = QtCore.QRectF(p1, p2)
        r = self.vb.childGroup.mapRectFromParent(r)
        self.eraseBox.r = r
        self.eraseBox.setPos(r.topLeft())
        self.eraseBox.resetTransform()
        self.eraseBox.scale(r.width(), r.height())
        self.eraseBox.show()