#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Created on Tue Jul  9 09:17:05 2019
@author: timallan
"""


from PIL import Image, ImageDraw
import random

im = Image.open('/Users/timallan/Desktop/whiteFang/01_ASSETS/__IMAGES/_DL/northernLights_1920x1080.png')
#im = Image.new('RGB', (640, 480), (255, 255, 255))


w, h = im.size

pixelTotal = w * h
pixelTarget = int(pixelTotal * 0.41)


pointTotal = 1
x_pos = 0
width_adjust = 184

flip = False

draw = ImageDraw.Draw(im)

while pointTotal <= pixelTarget:
    y_length = random.randrange(0, h - width_adjust)

    for y in range(y_length):

        if pointTotal <= pixelTarget:

            if flip:
                draw.point((x_pos, y), fill = ('white'))
                pointTotal += 1

            else:
                draw.point((x_pos, h - y), fill = ('white'))
                pointTotal += 1

    x_pos += 1
    flip = not flip


print(pointTotal, pixelTarget, pixelTotal)


del draw


im.save('/Users/timallan/Desktop/whiteFang/01_ASSETS/__IMAGES/_DL/northernLights_1920x1080_VERT_ALTERNATE_01.png', 'PNG')
im.show()