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📜  wxPython – wx.Button 中的 GetBitmap()函数

📅  最后修改于: 2022-05-13 01:54:27.203000             🧑  作者: Mango

wxPython – wx.Button 中的 GetBitmap()函数

在本文中,我们将学习与 wxPython 的 wx.Button 类关联的 GetBitmap()函数。 GetBitmap()函数仅用于返回按钮显示的位图。

仅当按钮不显示任何图像时,返回的位图可能无效

代码示例:

import wx
  
  
class Example(wx.Frame):
  
    def __init__(self, *args, **kwargs):
        super(Example, self).__init__(*args, **kwargs)
        self.InitUI()
  
    def InitUI(self):
        self.locale = wx.Locale(wx.LANGUAGE_ENGLISH)
  
        # create parent panel for button
        self.pnl = wx.Panel(self)
          
        # create wx.Bitmap object 
        bmp = wx.Bitmap('pointer.png')
  
        # create button at point (20, 20)
        self.st = wx.Button(self.pnl, id = 1, label ="Button", pos =(20, 20),
                                          size =(100, 30),  name ="button")
          
        # set bmp as bitmap for button
        self.st.SetBitmap(bmp)
  
        # get wx.Bitmap object
        bmap = self.st.GetBitmap()
  
        # print depth of bitmap
        print(bmp.Depth)
  
        self.SetSize((350, 250))
        self.SetTitle('wx.Button')
        self.Centre()
  
def main():
    app = wx.App()
    ex = Example(None)
    ex.Show()
    app.MainLoop()
  
  
if __name__ == '__main__':
    main()

控制台输出:

32

输出窗口: