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# coding:utf-8
# !/usr/bin/env python3
from PIL import Image, ImageOps
liste = """52272434262_08161ca956_k.jpg 52273667914_c67e59883f_k.jpg 52273896340_a5d7a5b569_k.jpg 52282000756_4350b904a6_o.png 52439772940_0a908517fd_k.jpg
52272434422_6e763311e0_k.jpg 52273667939_00a7a82d85_k.jpg 52273896530_32364a5ae9_k.jpg 52282013983_431b84da93_o.png 52439843783_6b199f85d8_k.jpg
52273406946_9270259682_k.jpg 52273668079_69d33c4f5d_k.jpg 52281021382_92b4cfc3ce_o.png 52282014418_6df2d3ddbd_o.png 52439844463_fed718866f_k.jpg
52273407231_50a6d90bce_k.jpg 52273668119_6f6b12e472_k.jpg 52281972878_1efc0e0f77_o.png 52439703339_6668e4e7b6_h.jpg
"""
i = 1
target = (1920, 1080)
band = Image.new("RGB",(1920, 2))
y_split = 730
for name in liste.split():
im = Image.open(name)
#be sure that the width is 1920px
size = (1920, int(im.height * 1920 / im.width))
im = im.resize(size)
im = ImageOps.fit(im, target, centering=(0.5,1))
# select the upper part
box = (0, 0, 1920, y_split)
# define the bottom part
bottom_box = (0, y_split + 2, 1920, 1080)
bottom_size = (1920, 1078-y_split)
# mirrot the upper part
bottom = ImageOps.flip(im.crop(box))
# keep only a part of the mirrored part
bottom = ImageOps.fit(bottom, bottom_size, centering=(0.5,0))
# fade to black from top to bottom of the mirrored part
pixels = bottom.load()
gamma = 1.4
for y in range(bottom.height):
darker = pow((bottom.height -y)/bottom.height, gamma)
for x in range(bottom.width):
pixels[x,y] = (int(pixels[x, y][0] * darker), int(pixels[x, y][1] * darker), int(pixels[x, y][2] * darker),)
# join the 2 parts
im.paste(bottom, bottom_box)
# add the band
im.paste(band, (0, y_split))
# export the result
with open(f"Screensaver-{i:02}.jpg",'w') as new_im:
im.save(new_im)
i += 1
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