speedometer.py 文件源码

def createhand(self):
        # create text display
        self.textid = self.create_text(self.centrex,
        self.centrey - 3*self.blobrad,
        fill = 'red',
        font = tkf.Font(size = -int(2*self.majortick)))


        # create moving and changeable bits
        self.handid = self.create_line(self.centrex,self.centrey,
        self.centrex - self.handlen,self.centrey,
        width = 2*self.linewidth,
        fill = 'red')

        self.blobid = self.create_oval(self.centrex - self.blobrad,
        self.centrey - self.blobrad,
        self.centrex + self.blobrad,
        self.centrey + self.blobrad,
        outline = 'black', fill = 'black')