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52 changes: 26 additions & 26 deletions filter.py
Original file line number Diff line number Diff line change
@@ -1,28 +1,28 @@
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 pixel_brightness(arr, p_w, p_h, gr, i, j):
brightness = np.sum(arr[i: i + p_h, j: j + p_w]) // (p_h * p_w * 3)
brightness -= brightness % gr
return brightness


def transform_to_mosaic(arr, p_w, p_h, gr):
for i in range(0, len(arr), p_w):
for j in range(0, len(arr[1]), p_h):
brightness = pixel_brightness(arr, p_w, p_h, gr, i, j)
arr[i: i + p_h, j: j + p_w] = np.full(3, brightness)



file_name = input("Введите имя файла который хотите преобразовать в мозаику: ")
res_name = input("Введите имя файла в который будет записан результат преобразования: ")
dimensions = [int(i) for i in input("Введите через запятую ширину и высоту одного элемента мозаики: ").split(',')]
gray_gradation = int(input("Введите число градаций серого: "))
img = Image.open(file_name)
img_arr = np.array(img)
transform_to_mosaic(img_arr, dimensions[0], dimensions[1], gray_gradation)
res = Image.fromarray(img_arr)
print("Преобразование завершено... Результат записан в файл: \"" + res_name + "\"")
res.save(res_name)
Binary file modified res.jpg
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