FFTSceneManager.py 文件源码

def __init__(self, parent, graphic_view=None):
        self.peak = []

        super().__init__(parent)
        self.scene = GridScene(parent=graphic_view)
        self.scene.setBackgroundBrush(constants.BGCOLOR)

        self.peak_item = self.scene.addPath(QPainterPath(),
                                            QPen(constants.PEAK_COLOR, Qt.FlatCap))  # type: QGraphicsPathItem