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YusukeIwaki/alpha.py

Created September 19, 2016 23:11
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alpha.py
# -*- coding:utf-8 -*-
from PIL import Image
img = Image.open("/Users/yi01/Downloads/icon_終了.png")
img2 = Image.new("LA",img.size)
pix=img.load()
pix2=img2.load()
w,h=img.size
for y in xrange(h):
for x in xrange(w):
r,g,b,a = pix[x,y]
l=r*a/255
pix2[x,y]=(l,l) if l>128 else (0,0)
img2.save("/Users/yi01/Downloads/icon_alpha.png")
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