# Tk_ImageChops_RGBA.py

# Tk_ImageChops_RGBA.py

from Tkinter import Tk, Canvas, Label
import ImageDraw, ImageChops, Image, ImageTk

image1 = Image.new("RGBA", (500, 500), color=0)
image2 = Image.new("RGBA", (500, 500), color=0)
image3 = Image.new("RGBA", (500, 500), color=0)

draw1 = ImageDraw.Draw(image1)
draw2 = ImageDraw.Draw(image2)
draw3 = ImageDraw.Draw(image3)

draw1.ellipse([10, 150, 300, 440], (128,0,0))
draw2.ellipse([150, 150, 440, 440], (0,0,128))
draw3.ellipse([75, 10, 375, 300], (0,128,0))

out = ImageChops.add(image1,image2,0.5)
out = ImageChops.add(out,image3,0.5)

win2 = Tk()

photo = ImageTk.PhotoImage(out)

label = Label(win2, image=photo)
label.pack()

win2.mainloop()