canvas.py 文件源码

def on_paint(self, event):
        wx.BufferedPaintDC(self, self.buffer)
        '''
        cdc = wx.ClientDC(self)
        #cdc.BeginDrawing()
        if self.ips.roi != None:
            self.ips.roi.draw(cdc, self.to_panel_coor)
        if self.ips.mark != None:
            self.ips.mark.draw(cdc, self.to_panel_coor, cur=self.ips.cur, k = self.get_scale())
        if self.ips.unit!=(1,'pix'):
            self.draw_ruler(cdc)
        #cdc.EndDrawing()
        '''