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






class     __UpperCAmelCase:






 """simple docstring"""




 def __init__(    self ,       __magic_name__ ,       __magic_name__      ):

        """simple docstring"""

        A_							:       Union[str, Any]	      =				0
        # max greyscale value for #FFFFFF
        A_							:       Tuple	      =				int(self.get_greyscale(255 ,       255 ,       255      )      )

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

        A_							:       str	      =				input_img
        A_							:       str	      =				threshold
        A_      ,							A_							:       Optional[Any]	      =				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
        A_							:       str	      =				[
            [0 for _ in range(self.height + 4      )] for __ in range(self.width + 1      )
        ]
        A_							:       str	      =				np.ones((self.width, self.height, 3) ,       np.uinta      ) * 255
 @classmethod
 def  UpperCAmelCase   (    cls ,       __magic_name__ ,       __magic_name__ ,       __magic_name__      ):

        """simple docstring"""

        return 0.1_14 * blue + 0.5_87 * green + 0.21_26 * red
 def  UpperCAmelCase   (    self      ):

        """simple docstring"""

        for y in range(self.height      ):
               for x in range(self.width      ):
                      A_							:       Tuple	      =				int(self.get_greyscale(*self.input_img[y][x]      )      )
                      if self.threshold > greyscale + self.error_table[y][x]:
                             A_							:       Optional[int]	      =				(0, 0, 0)
                             A_							:       List[str]	      =				greyscale + self.error_table[x][y]
                      else:
                             A_							:       Any	      =				(255, 255, 255)
                             A_							:       Dict	      =				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        =       [
        Burkes(imread('image_data/lena.jpg', 1), threshold)
        for threshold in (1, 1_2_6, 1_3_0, 1_4_0)
    ]

    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'''





from collections import Counter
from functools import total_ordering

from data_structures.heap.heap import Heap



@total_ordering
class 			lowerCAmelCase__ :



  '''simple docstring'''






  def __init__(self	:			Tuple						,			lowerCAmelCase_	:			str						,			lowerCAmelCase_	:			int     ) ->							None:
        snake_case_    							=				word
        snake_case_    							=				count

  def __eq__(self	:			List[Any]						,			lowerCAmelCase_	:			object     ) ->							bool:
        if not isinstance(lowerCAmelCase_						,			lowerCAmelCase_     ):
              return NotImplemented
        return self.count == other.count


  def __lt__(self	:			Tuple						,			lowerCAmelCase_	:			object     ) ->							bool:
        if not isinstance(lowerCAmelCase_						,			lowerCAmelCase_     ):
              return NotImplemented
        return self.count < other.count

def 	snake_case_							(				_a  :				list[str]			,       _a  :				int      ):
      snake_case_    							=				Heap()
      snake_case_    							=				Counter(_a      )
      heap.build_max_heap(
          [WordCount(_a			,       _a      ) for word, count in count_by_word.items()]      )
      return [heap.extract_max().word for _ in range(min(_a			,       len(_a      )      )      )]


if __name__ == "__main__":
     import doctest

     doctest.testmod()

