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56 changes: 30 additions & 26 deletions filter.py
Original file line number Diff line number Diff line change
@@ -1,28 +1,32 @@
from PIL import Image
import numpy as np
img = Image.open("img2.jpg")
arr = np.array(img)
a = len(arr)
a1 = len(arr[1])
i = 0
while i < a - 11:
j = 0
while j < a1 - 11:
s = 0
for n in range(i, i + 10):
for n1 in range(j, j + 10):
n1 = arr[n][n1][0]
n2 = arr[n][n1][1]
n3 = arr[n][n1][2]
M = n1 + n2 + n3
s += M
s = int(s // 100)
for n in range(i, i + 10):
for n1 in range(j, j + 10):
arr[n][n1][0] = int(s // 50) * 50
arr[n][n1][1] = int(s // 50) * 50
arr[n][n1][2] = int(s // 50) * 50
j = j + 10
i = i + 10
res = Image.fromarray(arr)
res.save('res.jpg')


def change(x, y, arr, len, step):
bright_avg = np.average(arr[x: x + len, y: y + len][:])
arr[x: x + len, y: y + len][:] = int(bright_avg // step) * step


def get_mosaic(arr, size, step):
new_arr = arr
for x in range(0, width - size + 1, size):
for y in range(0, height - size + 1, size):
change(x, y, new_arr, size, step)
return new_arr


open_name = input('Введите полный путь до изображения : ')
fin_name = input('Введите имя выходного изображения : ')
img = Image.open(open_name)

array = np.array(img)

size = int(input('Введите длину стороны мозайки'))
gr = int(input('Введите градацию серого цвета'))

width = len(array)
height = len(array[1])
step = 255 // gr

res = Image.fromarray(get_mosaic(array, size, step))
res.save(fin_name)