


'''simple docstring'''
import numpy as np
from cva import COLOR_BGR2GRAY, cvtColor, imread, imshow, waitKey

from digital_image_processing.filters.convolve import img_convolve




def      __snake_case       (       lowerCamelCase_ :				Tuple						):
				'''simple docstring'''




				__magic_name__	  = np.array([[-1, 0, 1], [-2, 0, 2], [-1, 0, 1]]						)
				__magic_name__	  = np.array([[1, 2, 1], [0, 0, 0], [-1, -2, -1]]						)

				__magic_name__	  = np.abs(img_convolve(__snake_case	,  __snake_case						)						)
				__magic_name__	  = np.abs(img_convolve(__snake_case	,  __snake_case						)						)
				# modify the pix within [0, 255]
				__magic_name__	  = dst_x * 255 / np.max(__snake_case						)
				__magic_name__	  = dst_y * 255 / np.max(__snake_case						)

				__magic_name__	  = np.sqrt((np.square(__snake_case						)) + (np.square(__snake_case						))						)
				__magic_name__	  = dst_xy * 255 / np.max(__snake_case						)
				__magic_name__	  = dst_xy.astype(np.uinta						)

				__magic_name__	  = np.arctana(__snake_case	,  __snake_case						)
				return dst, theta


if __name__ == "__main__":
						# read original image
						__magic_name__   :   Dict  							=imread('../image_data/lena.jpg')
						# turn image in gray scale value
						__magic_name__   :   Union[str, Any]  							=cvtColor(img, COLOR_BGR2GRAY)

						__magic_name__							,    __magic_name__   :   Tuple  							=sobel_filter(gray)

						# show result images
						imshow('sobel filter', sobel_grad)
						imshow('sobel theta', sobel_theta)
						waitKey(0)







'''simple docstring'''
import random
import sys

__magic_name__   :   Optional[Any]  							='ABCDEFGHIJKLMNOPQRSTUVWXYZ'




def      __snake_case       (       ):
				'''simple docstring'''




				__magic_name__	  = input("Enter message: "						)
				__magic_name__	  = "LFWOAYUISVKMNXPBDCRJTQEGHZ"
				__magic_name__	  = input("Encrypt/Decrypt [e/d]: "						)

				check_valid_key(lowerCamelCase_						)

				if resp.lower().startswith("e"						):
								__magic_name__	  = "encrypt"
								__magic_name__	  = encrypt_message(lowerCamelCase_	,  lowerCamelCase_						)
				elif resp.lower().startswith("d"						):
								__magic_name__	  = "decrypt"
								__magic_name__	  = decrypt_message(lowerCamelCase_	,  lowerCamelCase_						)

				print(F'\n{mode.title()}ion: \n{translated}'						)




def      __snake_case       (       lowerCamelCase_ :				str						):
				'''simple docstring'''




				__magic_name__	  = list(lowerCamelCase_						)
				__magic_name__	  = list(lowerCamelCase_						)
				key_list.sort()
				letters_list.sort()

				if key_list != letters_list:
								sys.exit("Error in the key or symbol set."						)




def      __snake_case       (       lowerCamelCase_ :				str	,  lowerCamelCase_ :				str						):
				'''simple docstring'''




				return translate_message(lowerCamelCase_	,  lowerCamelCase_	,  "encrypt"						)




def      __snake_case       (       lowerCamelCase_ :				str	,  lowerCamelCase_ :				str						):
				'''simple docstring'''




				return translate_message(lowerCamelCase_	,  lowerCamelCase_	,  "decrypt"						)




def      __snake_case       (       lowerCamelCase_ :				str	,  lowerCamelCase_ :				str	,  lowerCamelCase_ :				str						):
				'''simple docstring'''




				__magic_name__	  = ""
				__magic_name__	  = LETTERS
				__magic_name__	  = key

				if mode == "decrypt":
								__magic_name__  ,      __magic_name__	  = chars_b, chars_a

				for symbol in message:
								if symbol.upper() in chars_a:
												__magic_name__	  = chars_a.find(symbol.upper()						)
												if symbol.isupper():
																translated += chars_b[sym_index].upper()
												else:
																translated += chars_b[sym_index].lower()
								else:
												translated += symbol

				return translated




def      __snake_case       (       ):
				'''simple docstring'''




				__magic_name__	  = list(lowerCamelCase_						)
				random.shuffle(lowerCamelCase_						)
				return "".join(lowerCamelCase_						)


if __name__ == "__main__":
						main()



