

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

from digital_image_processing.filters.convolve import img_convolve

def 							__SCREAMING_SNAKE_CASE							( lowerCAmelCase:     int       )      ->				List[str]:
				_UpperCAmelCase				:						int       						=			np.array([[-1, 0, 1], [-2, 0, 2], [-1, 0, 1]]       )
				_UpperCAmelCase				:						Dict       						=			np.array([[1, 2, 1], [0, 0, 0], [-1, -2, -1]]       )

				_UpperCAmelCase				:						Tuple       						=			np.abs(img_convolve(lowerCAmelCase     ,					lowerCAmelCase       )       )
				_UpperCAmelCase				:						Tuple       						=			np.abs(img_convolve(lowerCAmelCase     ,					lowerCAmelCase       )       )
				# modify the pix within [0, 255]
				_UpperCAmelCase				:						Dict       						=			dst_x * 255 / np.max(lowerCAmelCase       )
				_UpperCAmelCase				:						Dict       						=			dst_y * 255 / np.max(lowerCAmelCase       )

				_UpperCAmelCase				:						str       						=			np.sqrt((np.square(lowerCAmelCase       )) + (np.square(lowerCAmelCase       ))       )
				_UpperCAmelCase				:						Optional[Any]       						=			dst_xy * 255 / np.max(lowerCAmelCase       )
				_UpperCAmelCase				:						List[str]       						=			dst_xy.astype(np.uinta       )

				_UpperCAmelCase				:						str       						=			np.arctana(lowerCAmelCase     ,					lowerCAmelCase       )
				return dst, theta


if __name__ == "__main__":
					# read original image
					SCREAMING_SNAKE_CASE_						=					imread('../image_data/lena.jpg')
					# turn image in gray scale value
					SCREAMING_SNAKE_CASE_						=					cvtColor(img, COLOR_BGR2GRAY)

					SCREAMING_SNAKE_CASE_			,SCREAMING_SNAKE_CASE_						=					sobel_filter(gray)

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





from hashlib import mda, shaaaa

SCREAMING_SNAKE_CASE_						=					(shaaaa, mda)

class  a     :


						def __init__(				self  ,    A_ = 8		):







										'''simple docstring'''


										_UpperCAmelCase				:						Any       						=			0B0
										_UpperCAmelCase				:						Optional[Any]       						=			size


						def 				_UpperCAmelCase (				self  ,    A_		):







										'''simple docstring'''


										_UpperCAmelCase				:						Optional[Any]       						=			self.hash_(A_		)
										self.bitarray |= h


						def 				_UpperCAmelCase (				self  ,    A_		):







										'''simple docstring'''


										_UpperCAmelCase				:						int       						=			self.hash_(A_		)
										return (h & self.bitarray) == h


						def __contains__(				self  ,    A_		):







										'''simple docstring'''


										return self.exists(A_		)


						def 				_UpperCAmelCase (				self  ,    A_		):







										'''simple docstring'''


										_UpperCAmelCase				:						Optional[int]       						=			bin(A_		)[2:]
										return res.zfill(self.size		)


						@property
						def 				_UpperCAmelCase (				self		):







										'''simple docstring'''


										return self.format_bin(self.bitarray		)


						def 				_UpperCAmelCase (				self  ,    A_		):







										'''simple docstring'''


										_UpperCAmelCase				:						Union[str, Any]       						=			0B0
										for func in HASH_FUNCTIONS:
														_UpperCAmelCase				:						str       						=			(
														    int.from_bytes(func(value.encode()		).digest()  ,    "little"		) % self.size
														)
														res |= 2**position
										return res


						def 				_UpperCAmelCase (				self  ,    A_		):







										'''simple docstring'''


										return self.format_bin(self.hash_(A_		)		)





						@property
						def 				_UpperCAmelCase (				self		):







										'''simple docstring'''


										_UpperCAmelCase				:						Union[str, Any]       						=			bin(self.bitarray		).count("1"		)
										return (n_ones / self.size) ** len(A_		)


