plots.py 文件源码

def pen(self, pen):
        if isinstance(pen, QColor):
            pen = pg.mkPen(pen)

        _inactive_pen = pg.mkPen(QColor(pen.color().red(),
                                        pen.color().green(),
                                        pen.color().blue(),
                                        50))

        if self._plot.opts['pen'] == self._pen_stash['pen_on']:
            self._pen_stash['pen_on'] = pg.mkPen(pen, width=self.line_width)
            self._plot.setPen(self._pen_stash['pen_on'])
        elif self._plot.opts['pen'] == self._pen_stash['pen_inactive']:
            self._pen_stash['pen_inactive'] = _inactive_pen
            self._plot.setPen(self._pen_stash['pen_inactive'])