Miscellany
public text v1 · immutableempty = ['\x00' in xrange(10**6)]
def transparent_bitmap(w, h):
image = wx.EmptyImage(w, h)
image.InitAlpha()
alpha = image.GetAlphaBuffer()
if len(alpha) < len(empty):
alpha[:] = empty[:len(alpha)]
else:
for i in xrange(len(alpha)):
alpha[i] = '\x00'
return wx.BitmapFromImage(image)