from PIL import Image, ImageFilter
try:
    im = Image.open("C:\\Users\\bossb\\Desktop\\captcha_7.bin")
except FileNotFoundError:
    print("Файл не найден")
im = im.convert('RGB')
colors = [0 for i in range(256)]


w, h = im.size
img = im
im = im.load()
img.show()

arr = [0, 255]
def FIX(border_color):
    for i in range(w):
        for j in range(h):
            r, g, b = im[i, j]
            good = 0
            for clr in arr:
                if abs(good - r) > abs(clr - r):
                    good = clr
            if i == 0 or j == 0 or i == w - 1 or j == h - 1:
                good = border_color
            im[i, j] = (good, good, good)

    vb = [0 for _ in range(w)]
    hb = [0 for _ in range(h)]

    for i in range(w - 1):
        for j in range(h):
            if im[i, j] != im[i + 1, j]:
                vb[i] += 1

    for i in range(w):
        pre = 0
        for j in range(h - 1):
            if im[i, j] != im[i, j + 1]:
                hb[j] += 1

    drLines = False
    drRect = True

    def WriteLine(x, y, dx, dy, clr):
        if not drLines:
            return
        for i in range(dx):
            for j in range(dy):
                im[x + i, y + j] = clr

    x_lines = [0]
    y_lines = [0]

    V_PAR = 20
    H_PAR = 40

    for i in range(w):
        if vb[i] > V_PAR:
            WriteLine(i, 0, 1, h, (0, 255, 0))
            x_lines.append(i)
    x_lines.append(w - 1)

    black = (0, 0, 0)
    white = (255, 255, 255)

    for i in range(h):
        if hb[i] > H_PAR:
            WriteLine(0, i, w, 1, (255, 0, 0))
            y_lines.append(i)

    y_lines.append(h - 1)

    def ReverseRectangle(x, y, xto, yto):
        if not drRect:
            return
        for i in range(xto - x):
            for j in range(y_to - y):
                if im[x + i, y + j] == white:
                    im[x + i, y + j] = black
                else:
                    im[x + i, y + j] = white

    def Fix1():
        for i in range(len(y_lines) - 1):
            y_from = y_lines[i]
            y_to = y_lines[i + 1]
            tot = y_to - y_from + 1
            if tot == 0:
                continue
            for x in x_lines:
                if x >= w - 1:
                    continue
                cur = 0
                for j in range(tot):
                    if im[x, y_from + j] != im[x + 1, y_from + j]:
                        cur += 1
                if cur / tot > 0.35:
                    ReverseRectangle(x + 1, y_from + 1, w, y_to)

    def Reverse():
        for j in range(h):
            for i in range(w // 2):
                im[i, j], im[w - 1 -i, j] = im[w - 1 - i, j], im[i, j]

        for i in range(len(x_lines)):
            x_lines[i] = w - x_lines[i] - 1
        m = len(x_lines)
        for i in range(m // 2):
            x_lines[i], x_lines[m - 1 - i] = x_lines[m - 1 - i], x_lines[i]

    Fix1()
    Reverse()
    Fix1()
    Reverse()
    img.show()

FIX(255)
FIX(0)