UI.py 文件源码

def DrawFromSelectedNode(self, msg):
        t = msg.replace("][", ",").replace("[", "").replace("]", "").split(",")
        osx = int(t[0])
        osy = int(t[1])
        oex = int(t[2])
        oey = int(t[3])
        i = wx.Bitmap(os.path.join(self.screenShotDir, "screenshot.png"))
        dc = wx.MemoryDC(i)
        dc.SetPen(wx.Pen(wx.RED, 1))
        #???(wxpython????drawline?drawlines, ??drawrect??????)
        dc.DrawLine(osx, osy, osx, oey)
        dc.DrawLine(osx, osy, oex, osy)
        dc.DrawLine(oex, osy, oex, oey)
        dc.DrawLine(osx, oey, oex, oey)
        dc.SelectObject(wx.NullBitmap)
        self.screenShot.SetBitmap(i) 
        self.Refresh(eraseBackground=True, rect=None)