wxpython - 为什么 wxwidgets 会松散地绘制圆形或圆形多边形？

Question

例如，如果我画这个圆圈



显然是不精确和丑陋的。有什么办法可以调整平局的灵敏度吗？

编辑:

我可以总结为:

self.da = wx.Panel(self, -1, size=(-1, 800))
self.da.Bind(wx.EVT_PAINT, self.paint)

self._buffer = wx.EmptyBitmap(500,500) # creating empty buffer
dc = wx.MemoryDC(self._buffer)  # to handle the buffer
dc.SetBackground( wx.Brush("White") )  # setting background
dc.DrawCircle(50,40,100)  #drawing circle


def paint(self, evt):
    dc = wx.BufferedPaintDC(self.da, self._buffer) #on paint event draw this

Answer 1

你可以使用 wx.GCDC 因为它支持 抗锯齿 画画

尝试这个:

buffer = wx.EmptyBitmap(500,500) # creating empty buffer
dc = wx.MemoryDC(buffer)  # to handle the buffer
dc = wx.GCDC(dc)

dc.SetBackground( wx.Brush("White") )  # setting background
dc.DrawCircle(50,40,100)  #drawing circle
dc.DrawCircle(200,200,100)  #drawing circle