Сальников Сергей

filter.py

@@ -1,28 +1,25 @@
 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')
+
+class ConvertImage:
+    def __init__(self, image, size, gradation):
+        self.image = image
+        self.size = size
+        self.step = 255 // gradation
+
+    def convert_image(self):
+        height = len(self.image)
+        width = len(self.image[1])
+        for i in range(0, height, self.size):
+            for j in range(0, width, self.size):
+                medium_brightness = self.get_medium_brightness(i, j)
+                self.set_grayscale(medium_brightness, i, j)
+        return Image.fromarray(self.image)
+    def set_grayscale(self, medium_brightness, i, j):
+        self.image[i:i + self.size, j:j + self.size] = int(medium_brightness // self.step) * self.step / 3
+    def get_medium_brightness(self, i, j):
+        return int((self.image[i:i + self.size, j:j + self.size].sum()) // self.size ** 2)
+    original_image = Image.open(input("Введите имя исходного изображения:"))
+pixels = np.array(original_image)
+result = ConvertImage(pixels, size=10, gradation=50).convert_image()
+result.save((input("Введите имя изображения, в которое запишется результат:")))