plot.py 文件源码

def OnPaint(self, event):
        # All that is needed here is to draw the buffer to screen
        if self.last_PointLabel != None:
            self._drawPointLabel(self.last_PointLabel)  # erase old
            self.last_PointLabel = None
        dc = wx.BufferedPaintDC(self.canvas, self._Buffer)
        if self._antiAliasingEnabled:
            try:
                dc = wx.GCDC(dc)
            except Exception:
                pass