# blendtransparency.py

# blendtransparency.py >>> also img.show() workaround

import webbrowser, tempfile, re

tf=tempfile.mktemp(".jpg", "py_x")
tf=re.sub(r'(appdata).+?(temp)','pictures',tf)

print tf

from PIL import Image, ImageDraw

img=Image.new('RGB', (400, 400))
cv=ImageDraw.Draw(img, 'RGBA')
cv.rectangle([(0, 0), (400, 400)], (255, 255, 255, 255)) # white
cv.rectangle([(100, 100), (400, 400)], (255, 255, 0, 255)) # yellow
cv.rectangle([(0, 0), (300, 300)], (0, 0, 255, 125)) # blue

img.save(tf)
# img.show() ??? did not work on my computer so...
webbrowser.open(tf) # opened via Windows (10) Viewer instead of Browser