





'''simple docstring'''






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







class       lowerCamelCase       :


					def __init__(       self						:	Tuple							,  __snake_case						:	List[Any]							,  __snake_case						:	int							):





											'''simple docstring'''





											_snake_case: Optional[Any]	       =		0
											# max greyscale value for #FFFFFF
											_snake_case: List[Any]	       =		int(self.get_greyscale(2_55							,  2_55							,  2_55							)							)

											if not self.min_threshold < threshold < self.max_threshold:
																	_snake_case: Tuple	       =		f'''Factor value should be from 0 to {self.max_threshold}'''
																	raise ValueError(lowerCamelCase_							)

											_snake_case: Optional[Any]	       =		input_img
											_snake_case: Union[str, Any]	       =		threshold
											_snake_case: Optional[int]	       =		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
											_snake_case: Any	       =		[
											    [0 for _ in range(self.height + 4							)] for __ in range(self.width + 1							)
											]
											_snake_case: Optional[int]	       =		np.ones((self.width, self.height, 3)							,  np.uinta							) * 2_55


					@classmethod
					def  SCREAMING_SNAKE_CASE_		(       cls						:	int							,  __snake_case						:	int							,  __snake_case						:	int							,  __snake_case						:	int							):





											'''simple docstring'''





											return 0.114 * blue + 0.587 * green + 0.2_126 * red




					def  SCREAMING_SNAKE_CASE_		(       self						:	Optional[int]							):





											'''simple docstring'''





											for y in range(self.height							):
																	for x in range(self.width							):
																							_snake_case: Any	       =		int(self.get_greyscale(*self.input_img[y][x]							)							)
																							if self.threshold > greyscale + self.error_table[y][x]:
																													_snake_case: str	       =		(0, 0, 0)
																													_snake_case: Union[str, Any]	       =		greyscale + self.error_table[x][y]
																							else:
																													_snake_case: Union[str, Any]	       =		(2_55, 2_55, 2_55)
																													_snake_case: Optional[int]	       =		greyscale + self.error_table[x][y] - 2_55
																							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
		A :			Tuple							   =      [
		    Burkes(imread('image_data/lena.jpg', 1), threshold)
		    for threshold in (1, 126, 130, 140)
		]

		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()










import math







def       lowerCamelCase_  (    _a       :						int    ):



    '''simple docstring'''




    if 1 < number < 4:
        # 2 and 3 are primes
        return True
    elif number < 2 or number % 2 == 0 or number % 3 == 0:
        # Negatives, 0, 1, all even numbers, all multiples of 3 are not primes
        return False

    # All primes number are in format of 6k +/- 1
    for i in range(5   ,		int(math.sqrt(_a    ) + 1    )   ,		6    ):
        if number % i == 0 or number % (i + 2) == 0:
            return False
    return True







def       lowerCamelCase_  (    _a       :						int = 6008_5147_5143    ):



    '''simple docstring'''




    try:
        UpperCAmelCase_     :       str  		=					int(_a    )
    except (TypeError, ValueError):
        raise TypeError("""Parameter n must be int or castable to int."""    )
    if n <= 0:
        raise ValueError("""Parameter n must be greater than or equal to one."""    )
    UpperCAmelCase_     :       Optional[int]  		=					0
    if is_prime(_a    ):
        return n
    while n % 2 == 0:
        n //= 2
    if is_prime(_a    ):
        return n
    for i in range(3   ,		int(math.sqrt(_a    )    ) + 1   ,		2    ):
        if n % i == 0:
            if is_prime(n // i    ):
                UpperCAmelCase_     :       Optional[int]  		=					n // i
                break
            elif is_prime(_a    ):
                UpperCAmelCase_     :       str  		=					i
    return max_number


if __name__ == "__main__":
      print(F"{solution() = }")
