added a new demo of an auto-sizing bitmap window

Author: Chris Barker

README.md 00-README.mdREADME.md renamed to 00-README.md

@@ -0,0 +1,54 @@
+#!/usr/bin/env python
+
+"""
+AutoSizeBitmap.py
+
+Example for how to have a bitmap autosize itself in wxPython
+"""
+
+import wx
+
+class AutoSizeBitmap(wx.Window):
+    """
+    A subclass of wx.Window that will hold an image (much like a StaticBitmap),
+    but re-size it to fit the current size of the Window
+"   """    
+    def __init__(self, parent, image, *args, **kwargs):
+        """
+        initialize an AutoSizeBitmap
+        
+        :param parent: parent Window for this window
+        :param image: a wx.Image that you want to display
+        """
+        
+        wx.Window.__init__(self, parent, *args, **kwargs)
+
+        self.orig_image = image
+        self.bitmap = None
+    
+        self.Bind(wx.EVT_SIZE, self.OnSize)
+        self.Bind(wx.EVT_PAINT, self.OnPaint)
+
+    def OnSize(self, evt=None):
+        img = self.orig_image.Copy()
+        img.Rescale(*self.Size)
+        self.bitmap = wx.BitmapFromImage(img)
+        
+    def OnPaint(self, evt=None):
+        dc = wx.PaintDC(self)
+        dc.DrawBitmap(self.bitmap,0,0)
+
+if __name__ == "__main__":
+    import sys
+    
+    try: 
+        filename = sys.argv[1]
+    except:
+        filename = "Images/cute_close_up.jpg"
+    App = wx.App(False)
+    f = wx.Frame(None)
+    img = wx.Image(filename)
+    b = AutoSizeBitmap(f, img)
+    f.Show()
+    App.MainLoop()
+