
'''simple docstring'''





import numpy as np

SCREAMING_SNAKE_CASE   :		List[Any]					 =       [
    ["a", "b", "c", "d", "e"],
    ["f", "g", "h", "i", "k"],
    ["l", "m", "n", "o", "p"],
    ["q", "r", "s", "t", "u"],
    ["v", "w", "x", "y", "z"],
]






class 					__lowercase		:


					def __init__(	self						)		->							Any:





									'''simple docstring'''
									A_       	=  np.array(_lowerCamelCase						)


					def        lowerCAmelCase_    (	self       ,       a__						)		->							int:





									'''simple docstring'''
									A_       	=  np.where(letter == self.SQUARE						)
									A_       	=  np.concatenate([indexa + 1, indexa + 1]						)
									return indexes


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





									'''simple docstring'''
									return self.SQUARE[indexa - 1, indexa - 1]


					def        lowerCAmelCase_    (	self       ,       a__						)		->							Dict:





									'''simple docstring'''
									A_       	=  message.lower()
									A_       	=  message.replace('''j'''       ,       '''i'''						)

									A_       	=  """"""
									for letter_index in range(len(_lowerCamelCase						)						):
													if message[letter_index] != " ":
																	A_       	=  self.letter_to_numbers(message[letter_index]						)
																	A_       	=  encoded_message + str(numbers[0]						) + str(numbers[1]						)
													elif message[letter_index] == " ":
																	A_       	=  encoded_message + """ """

									return encoded_message


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





									'''simple docstring'''
									A_       	=  message.replace(''' '''       ,       '''  '''						)
									A_       	=  """"""
									for numbers_index in range(int(len(_lowerCamelCase						) / 2						)						):
													if message[numbers_index * 2] != " ":
																	A_       	=  message[numbers_index * 2]
																	A_       	=  message[numbers_index * 2 + 1]

																	A_       	=  self.numbers_to_letter(int(_lowerCamelCase						)       ,       int(_lowerCamelCase						)						)
																	A_       	=  decoded_message + letter
													elif message[numbers_index * 2] == " ":
																	A_       	=  decoded_message + """ """

									return decoded_message

from cva import destroyAllWindows, imread, imshow, waitKey



def        lowerCamelCase_  (   __UpperCamelCase ,						__UpperCamelCase     ):
				A_	,					A_       	=  img.shape[0], img.shape[1]

				def to_grayscale(__UpperCamelCase ,						__UpperCamelCase ,						__UpperCamelCase     ):
								return 0.2126 * red + 0.587 * green + 0.114 * blue

				def normalize(__UpperCamelCase     ):
								return min(__UpperCamelCase ,						2_55     )

				for i in range(__UpperCamelCase     ):
								for j in range(__UpperCamelCase     ):
												A_       	=  int(to_grayscale(*img[i][j]     )     )
												A_       	=  [
												    normalize(__UpperCamelCase     ),
												    normalize(greyscale + factor     ),
												    normalize(greyscale + 2 * factor     ),
												]

				return img


if __name__ == "__main__":
						# read original image
						SCREAMING_SNAKE_CASE   :		Optional[Any]					 =       {
						    percentage: imread("image_data/lena.jpg", 1) for percentage in (10, 20, 30, 40)
						}

						for percentage, img in images.items():
												make_sepia(img, percentage)

						for percentage, img in images.items():
												imshow(f'''Original image with sepia (factor: {percentage})''', img)

						waitKey(0)
						destroyAllWindows()