#!/usr/bin/env python
# -*- coding:utf-8 -*-
# Modified by D. Moser in 2015-09-22

"""Export R, G and B layers of the Brazilian flag image"""

import numpy as np
from PIL import Image

img = 'Flag_of_Brazil.png'

pilimg = Image.open(img)
rgbArray = np.asarray(pilimg)

colors = ['R', 'G', 'B']
for i in range(3):
    expimg = rgbArray[:, :, 0:3]*0
    expimg[:, :, i] = rgbArray[:, :, i]
    savimg = Image.fromarray(expimg)
    savimg.save('img_{}.png'.format(colors[i]))