from __future__ import annotations

import random
import string




class  _UpperCAmelCase       :



 '''simple docstring'''




 def __init__(						self							:					Any				,      lowercase_							:					str | None = None)		->     None:


   """simple docstring"""







   _UpperCamelCase				=  passcode or self.__passcode_creator()
   _UpperCamelCase				=  self.__make_key_list()
   _UpperCamelCase				=  self.__make_shift_key()







 def __str__(						self							:					Tuple)		->     str:


   """simple docstring"""







   return "".join(self.__passcode)







 def 						__UpperCAmelCase							(						self							:					Optional[int]				,      lowercase_							:					list[int])		->     list[int]:


   """simple docstring"""







   for i in range(1				,      len(lowercase_)				,      2):
     iterlist[i] *= -1
   return iterlist







 def 						__UpperCAmelCase							(						self							:					List[str])		->     list[str]:


   """simple docstring"""







   _UpperCamelCase				=  string.ascii_letters + string.digits
   _UpperCamelCase				=  [random.choice(lowercase_) for _ in range(random.randint(10				,      20))]
   return password







 def 						__UpperCAmelCase							(						self							:					List[Any])		->     list[str]:


   """simple docstring"""







   _UpperCamelCase				=  (
       string.ascii_letters + string.digits + string.punctuation + " \t\n"
   )

   _UpperCamelCase				=  []

   # creates points known as breakpoints to break the key_list_options at those
   # points and pivot each substring
   _UpperCamelCase				=  sorted(set(self.__passcode))
   _UpperCamelCase				=  []

   # algorithm for creating a new shuffled list, keys_l, out of key_list_options
   for i in key_list_options:
     temp_list.extend(lowercase_)

     # checking breakpoints at which to pivot temporary sublist and add it into
     # keys_l
     if i in breakpoints or i == key_list_options[-1]:
       keys_l.extend(temp_list[::-1])
       temp_list.clear()

        # returning a shuffled keys_l to prevent brute force guessing of shift key
   return keys_l







 def 						__UpperCAmelCase							(						self							:					str)		->     int:


   """simple docstring"""







   _UpperCamelCase				=  sum(self.__neg_pos([ord(lowercase_) for x in self.__passcode]))
   return num if num > 0 else len(self.__passcode)







 def 						__UpperCAmelCase							(						self							:					List[Any]				,      lowercase_							:					str)		->     str:


   """simple docstring"""







   _UpperCamelCase				=  ""

   # decoding shift like Caesar cipher algorithm implementing negative shift or
   # reverse shift or left shift
   for i in encoded_message:
     _UpperCamelCase				=  self.__key_list.index(lowercase_)
     decoded_message += self.__key_list[
         (position - self.__shift_key) % -len(self.__key_list)
     ]

   return decoded_message







 def 						__UpperCAmelCase							(						self							:					Any				,      lowercase_							:					str)		->     str:


   """simple docstring"""







   _UpperCamelCase				=  ""

   # encoding shift like Caesar cipher algorithm implementing positive shift or
   # forward shift or right shift
   for i in plaintext:
     _UpperCamelCase				=  self.__key_list.index(lowercase_)
     encoded_message += self.__key_list[
         (position + self.__shift_key) % len(self.__key_list)
     ]

   return encoded_message


def 							lowerCAmelCase__    (       a__ = "Hello, this is a modified Caesar cipher"      )	->str:




  '''simple docstring'''

  _UpperCamelCase				=  ShuffledShiftCipher()
  return cipa.decrypt(cipa.encrypt(a__      )      )


if __name__ == "__main__":
   import doctest

   doctest.testmod()





import cva
import numpy as np

from digital_image_processing.filters.convolve import img_convolve
from digital_image_processing.filters.sobel_filter import sobel_filter

lowerCamelCase__   = 180


def 							lowerCAmelCase__    (       a__  ,			a__      )	->List[str]:




  '''simple docstring'''

  _UpperCamelCase				=  k_size // 2
  _UpperCamelCase	,		_UpperCamelCase				=  np.mgrid[0 - center : k_size - center, 0 - center : k_size - center]
  _UpperCamelCase				=  (
      1
      / (2 * np.pi * sigma)
      * np.exp(-(np.square(a__      ) + np.square(a__      )) / (2 * np.square(a__      ))      )
  )
  return g


def 							lowerCAmelCase__    (       a__  ,			a__  ,			a__      )	->Optional[int]:




  '''simple docstring'''

  _UpperCamelCase				=  np.zeros(a__      )

  for row in range(1  ,			image_shape[0] - 1      ):
    for col in range(1  ,			image_shape[1] - 1      ):
      _UpperCamelCase				=  gradient_direction[row, col]

      if (
          0 <= direction < PI / 8
          or 15 * PI / 8 <= direction <= 2 * PI
          or 7 * PI / 8 <= direction <= 9 * PI / 8
      ):
        _UpperCamelCase				=  sobel_grad[row, col - 1]
        _UpperCamelCase				=  sobel_grad[row, col + 1]
        if sobel_grad[row, col] >= w and sobel_grad[row, col] >= e:
          _UpperCamelCase				=  sobel_grad[row, col]

      elif (
          PI / 8 <= direction < 3 * PI / 8
          or 9 * PI / 8 <= direction < 11 * PI / 8
      ):
        _UpperCamelCase				=  sobel_grad[row + 1, col - 1]
        _UpperCamelCase				=  sobel_grad[row - 1, col + 1]
        if sobel_grad[row, col] >= sw and sobel_grad[row, col] >= ne:
          _UpperCamelCase				=  sobel_grad[row, col]

      elif (
          3 * PI / 8 <= direction < 5 * PI / 8
          or 11 * PI / 8 <= direction < 13 * PI / 8
      ):
        _UpperCamelCase				=  sobel_grad[row - 1, col]
        _UpperCamelCase				=  sobel_grad[row + 1, col]
        if sobel_grad[row, col] >= n and sobel_grad[row, col] >= s:
          _UpperCamelCase				=  sobel_grad[row, col]

      elif (
          5 * PI / 8 <= direction < 7 * PI / 8
          or 13 * PI / 8 <= direction < 15 * PI / 8
      ):
        _UpperCamelCase				=  sobel_grad[row - 1, col - 1]
        _UpperCamelCase				=  sobel_grad[row + 1, col + 1]
        if sobel_grad[row, col] >= nw and sobel_grad[row, col] >= se:
          _UpperCamelCase				=  sobel_grad[row, col]

  return destination


def 							lowerCAmelCase__    (       a__  ,			a__  ,			a__  ,			a__  ,			a__  ,			a__      )	->Union[str, Any]:




  '''simple docstring'''

  for row in range(1  ,			image_shape[0] - 1      ):
    for col in range(1  ,			image_shape[1] - 1      ):
      if destination[row, col] >= threshold_high:
        _UpperCamelCase				=  strong
      elif destination[row, col] <= threshold_low:
        _UpperCamelCase				=  0
      else:
        _UpperCamelCase				=  weak


def 							lowerCAmelCase__    (       a__  ,			a__  ,			a__  ,			a__      )	->str:




  '''simple docstring'''

  for row in range(1  ,			image_shape[0]      ):
    for col in range(1  ,			image_shape[1]      ):
      if destination[row, col] == weak:
        if 255 in (
            destination[row, col + 1],
            destination[row, col - 1],
            destination[row - 1, col],
            destination[row + 1, col],
            destination[row - 1, col - 1],
            destination[row + 1, col - 1],
            destination[row - 1, col + 1],
            destination[row + 1, col + 1],
        ):
          _UpperCamelCase				=  strong
        else:
          _UpperCamelCase				=  0


def 							lowerCAmelCase__    (       a__  ,			a__=15  ,			a__=30  ,			a__=128  ,			a__=255      )	->str:




  '''simple docstring'''

  _UpperCamelCase				=  img_convolve(a__  ,			gen_gaussian_kernel(9  ,			sigma=1.4      )      )
  # get the gradient and degree by sobel_filter
  _UpperCamelCase	,		_UpperCamelCase				=  sobel_filter(a__      )
  _UpperCamelCase				=  PI + np.radadeg(a__      )

  _UpperCamelCase				=  suppress_non_maximum(image.shape  ,			a__  ,			a__      )

  detect_high_low_threshold(
      image.shape  ,			a__  ,			a__  ,			a__  ,			a__  ,			a__      )

  track_edge(image.shape  ,			a__  ,			a__  ,			a__      )

  return destination


if __name__ == "__main__":
   # read original image in gray mode
   lowerCamelCase__   = cva.imread(R'''../image_data/lena.jpg''', 0)
   # canny edge detection
   lowerCamelCase__   = canny(lena)
   cva.imshow('''canny''', canny_destination)
   cva.waitKey(0)




