'''simple docstring'''

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




class    lowerCamelCase__  :



   def __init__(    self					,      lowerCAmelCase__					,      lowerCAmelCase__     )				->     Optional[Any]:
        """simple docstring"""





        _UpperCamelCase  :Tuple       =0
        # max greyscale value for #FFFFFF
        _UpperCamelCase  :str       =int(self.get_greyscale(255					,      255					,      255     )     )

        if not self.min_threshold < threshold < self.max_threshold:
             _UpperCamelCase  :Union[str, Any]       =f'''Factor value should be from 0 to {self.max_threshold}'''
             raise ValueError(lowerCAmelCase__     )

        _UpperCamelCase  :str       =input_img
        _UpperCamelCase  :Dict       =threshold
        _UpperCamelCase       ,      _UpperCamelCase  :Dict       =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
        _UpperCamelCase  :List[str]       =[
            [0 for _ in range(self.height + 4     )] for __ in range(self.width + 1     )
        ]
        _UpperCamelCase  :Optional[Any]       =np.ones((self.width, self.height, 3)					,      np.uinta     ) * 255



   @classmethod
   def  _UpperCamelCase		(    cls					,      lowerCAmelCase__					,      lowerCAmelCase__					,      lowerCAmelCase__     )				->     float:
        """simple docstring"""





        return 0.114 * blue + 0.587 * green + 0.2126 * red




   def  _UpperCamelCase		(    self     )				->     None:
        """simple docstring"""





        for y in range(self.height     ):
             for x in range(self.width     ):
                  _UpperCamelCase  :str       =int(self.get_greyscale(*self.input_img[y][x]     )     )
                  if self.threshold > greyscale + self.error_table[y][x]:
                       _UpperCamelCase  :Any       =(0, 0, 0)
                       _UpperCamelCase  :Tuple       =greyscale + self.error_table[x][y]
                  else:
                       _UpperCamelCase  :Optional[Any]       =(255, 255, 255)
                       _UpperCamelCase  :int       =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
      _lowerCamelCase :				Optional[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()




"""simple docstring"""
import doctest

import projectq
from projectq.ops import H, Measure
def   A_    (     _lowercase      ):







						'''simple docstring'''


						snake_case_					:Union[str, Any]		=     quantum_engine.allocate_qubit()
						H | qubit
						Measure | qubit
						return int(_lowercase      )


if __name__ == "__main__":
						doctest.testmod()

						# initialises a new quantum backend
						__a           =							projectq.MainEngine()

						# Generate a list of 10 random numbers
						__a           =							[get_random_number(quantum_engine) for _ in range(10)]

						# Flushes the quantum engine from memory
						quantum_engine.flush()

						print("Random numbers", random_numbers_list)
