
import numpy as np
from cva import destroyAllWindows, imread, imshow, waitKey





class      UpperCamelCase_			:







						'''simple docstring'''



						def __init__( self       :Optional[Any]		,						lowerCAmelCase__       :Optional[int]		,						lowerCAmelCase__       :int    )     ->Any:
								lowercase						    =			0
								# max greyscale value for #FFFFFF
								lowercase						    =			int(self.get_greyscale(255		,						255		,						255    )    )

								if not self.min_threshold < threshold < self.max_threshold:
										lowercase						    =			F'''Factor value should be from 0 to {self.max_threshold}'''
										raise ValueError(lowerCAmelCase__    )

								lowercase						    =			input_img
								lowercase						    =			threshold
								lowercase    ,  lowercase						    =			self.input_img.shape[1], self.input_img.shape[0]

								# error table size (+4 columns and +1 row) greater than input image because of
								# lack of if statements
								lowercase						    =			[
								    [0 for _ in range(self.height + 4    )] for __ in range(self.width + 1    )
								]
								lowercase						    =			np.ones((self.width, self.height, 3)		,						np.uinta    ) * 255





						@classmethod
						def 					SCREAMING_SNAKE_CASE( cls       :Optional[int]		,						lowerCAmelCase__       :int		,						lowerCAmelCase__       :int		,						lowerCAmelCase__       :int    )     ->float:
								return 0.1_14 * blue + 0.5_87 * green + 0.21_26 * red





						def 					SCREAMING_SNAKE_CASE( self       :Union[str, Any]    )     ->None:
								for y in range(self.height    ):
										for x in range(self.width    ):
												lowercase						    =			int(self.get_greyscale(*self.input_img[y][x]    )    )
												if self.threshold > greyscale + self.error_table[y][x]:
														lowercase						    =			(0, 0, 0)
														lowercase						    =			greyscale + self.error_table[x][y]
												else:
														lowercase						    =			(255, 255, 255)
														lowercase						    =			greyscale + self.error_table[x][y] - 255
												self.error_table[y][x + 1] += int(8 / 32 * current_error    )
												self.error_table[y][x + 2] += int(4 / 32 * current_error    )
												self.error_table[y + 1][x] += int(8 / 32 * current_error    )
												self.error_table[y + 1][x + 1] += int(4 / 32 * current_error    )
												self.error_table[y + 1][x + 2] += int(2 / 32 * current_error    )
												self.error_table[y + 1][x - 1] += int(4 / 32 * current_error    )
												self.error_table[y + 1][x - 2] += int(2 / 32 * current_error    )


if __name__ == "__main__":
						# create Burke's instances with original images in greyscale
						_snake_case			:       List[Any]      =						[
						    Burkes(imread("image_data/lena.jpg", 1), threshold)
						    for threshold in (1, 1_26, 1_30, 1_40)
						]

						for burkes in burkes_instances:
												burkes.process()

						for burkes in burkes_instances:
												imshow(
												    F"Original image with dithering threshold: {burkes.threshold}",
												    burkes.output_img,
												)

						waitKey(0)
						destroyAllWindows()


_snake_case			:       List[Any]      =						{
    "A": ("ABCDEFGHIJKLM", "NOPQRSTUVWXYZ"),
    "B": ("ABCDEFGHIJKLM", "NOPQRSTUVWXYZ"),
    "C": ("ABCDEFGHIJKLM", "ZNOPQRSTUVWXY"),
    "D": ("ABCDEFGHIJKLM", "ZNOPQRSTUVWXY"),
    "E": ("ABCDEFGHIJKLM", "YZNOPQRSTUVWX"),
    "F": ("ABCDEFGHIJKLM", "YZNOPQRSTUVWX"),
    "G": ("ABCDEFGHIJKLM", "XYZNOPQRSTUVW"),
    "H": ("ABCDEFGHIJKLM", "XYZNOPQRSTUVW"),
    "I": ("ABCDEFGHIJKLM", "WXYZNOPQRSTUV"),
    "J": ("ABCDEFGHIJKLM", "WXYZNOPQRSTUV"),
    "K": ("ABCDEFGHIJKLM", "VWXYZNOPQRSTU"),
    "L": ("ABCDEFGHIJKLM", "VWXYZNOPQRSTU"),
    "M": ("ABCDEFGHIJKLM", "UVWXYZNOPQRST"),
    "N": ("ABCDEFGHIJKLM", "UVWXYZNOPQRST"),
    "O": ("ABCDEFGHIJKLM", "TUVWXYZNOPQRS"),
    "P": ("ABCDEFGHIJKLM", "TUVWXYZNOPQRS"),
    "Q": ("ABCDEFGHIJKLM", "STUVWXYZNOPQR"),
    "R": ("ABCDEFGHIJKLM", "STUVWXYZNOPQR"),
    "S": ("ABCDEFGHIJKLM", "RSTUVWXYZNOPQ"),
    "T": ("ABCDEFGHIJKLM", "RSTUVWXYZNOPQ"),
    "U": ("ABCDEFGHIJKLM", "QRSTUVWXYZNOP"),
    "V": ("ABCDEFGHIJKLM", "QRSTUVWXYZNOP"),
    "W": ("ABCDEFGHIJKLM", "PQRSTUVWXYZNO"),
    "X": ("ABCDEFGHIJKLM", "PQRSTUVWXYZNO"),
    "Y": ("ABCDEFGHIJKLM", "OPQRSTUVWXYZN"),
    "Z": ("ABCDEFGHIJKLM", "OPQRSTUVWXYZN"),
}

def    __snake_case       (  __magic_name__	):







				'''simple docstring'''


				return [alphabet[char] for char in key.upper()]

def    __snake_case       (  __magic_name__		,						__magic_name__	):







				'''simple docstring'''


				lowercase						    =			""
				lowercase						    =			0
				lowercase						    =			generate_table(__magic_name__	)
				for char in words.upper():
								cipher += get_opponent(table[count]		,						__magic_name__	)
								lowercase						    =			(count + 1) % len(__magic_name__	)
				return cipher

def    __snake_case       (  __magic_name__		,						__magic_name__	):







				'''simple docstring'''


				return encrypt(__magic_name__		,						__magic_name__	)

def    __snake_case       (  __magic_name__		,						__magic_name__	):







				'''simple docstring'''


				lowercase						    =			0 if char in table[0] else 1
				lowercase						    =			table[row].index(__magic_name__	)
				return row, col

def    __snake_case       (  __magic_name__		,						__magic_name__	):







				'''simple docstring'''


				lowercase    ,  lowercase						    =			get_position(__magic_name__		,						char.upper()	)
				if row == 1:
								return table[0][col]
				else:
								return table[1][col] if row == 0 else char


if __name__ == "__main__":
						import doctest

						doctest.testmod()  # Fist ensure that all our tests are passing...
						_snake_case			:       List[Any]      =						input("Enter key: ").strip()
						_snake_case			:       Optional[int]      =						input("Enter text to encrypt: ").strip()
						_snake_case			:       Optional[Any]      =						encrypt(key, text)

						print(F"Encrypted: {cipher_text}")
						print(F"Decrypted with key: {decrypt(key, cipher_text)}")
