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 


# 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()

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