wxpython GUI界面显示jpg图片详解编程语言

# show a jpeg (.jpg) image using wxPython, newer coding style 
# two different ways to load and display are given 
# tested with Python24 and wxPython25   vegaseat   24jul2005 
  
import wx 
import  cStringIO 
  
class Panel1(wx.Panel): 
  """ class Panel1 creates a panel with an image on it, inherits wx.Panel """ 
  def __init__(self, parent, id): 
    # create the panel 
    wx.Panel.__init__(self, parent, id) 
    try: 
        # pick a .jpg file you have in the working folder 
        imageFile = 'Moo.jpg' 
        data = open(imageFile, "rb").read() 
        # convert to a data stream 
        stream = cStringIO.StringIO(data) 
        # convert to a bitmap 
        bmp = wx.BitmapFromImage( wx.ImageFromStream( stream )) 
        # show the bitmap, (5, 5) are upper left corner coordinates 
        wx.StaticBitmap(self, -1, bmp, (5, 5)) 
          
        # alternate (simpler) way to load and display a jpg image from a file 
        # actually you can load .jpg  .png  .bmp  or .gif files 
        jpg1 = wx.Image(imageFile, wx.BITMAP_TYPE_ANY).ConvertToBitmap() 
        # bitmap upper left corner is in the position tuple (x, y) = (5, 5) 
        wx.StaticBitmap(self, -1, jpg1, (10 + jpg1.GetWidth(), 5), (jpg1.GetWidth(), jpg1.GetHeight())) 
    except IOError: 
        print "Image file %s not found" % imageFile 
        raise SystemExit 
  
  
app = wx.PySimpleApp() 
# create a window/frame, no parent, -1 is default ID 
# increase the size of the frame for larger images 
frame1 = wx.Frame(None, -1, "An image on a panel", size = (400, 300)) 
# call the derived class 
Panel1(frame1,-1) 
frame1.Show(1) 
app.MainLoop()