owpreprocess.py 文件源码

def __init__(self, position, label="", setvalfn=None, confirmfn=None,
                 color=(225, 0, 0), report=None):
        pg.UIGraphicsItem.__init__(self)
        self.moving = False
        self.mouseHovering = False
        self.report = report

        hp = pg.mkPen(color=color, width=3)
        np = pg.mkPen(color=color, width=2)
        self.line = pg.InfiniteLine(angle=90, movable=True, pen=np, hoverPen=hp)

        if position is not None:
            self.line.setValue(position)
        else:
            self.line.setValue(0)
            self.line.hide()
        self.line.setCursor(Qt.SizeHorCursor)

        self.line.setParentItem(self)
        self.line.sigPositionChangeFinished.connect(self.lineMoveFinished)
        self.line.sigPositionChanged.connect(self.lineMoved)

        self.label = pg.TextItem("", anchor=(0,0))
        self.label.setText(label, color=color)
        self.label.setParentItem(self)

        self.setvalfn = setvalfn
        self.confirmfn = confirmfn

        self.lastTransform = None