



"""simple docstring"""






import copy
import os

import cva
import numpy as np
from matplotlib import pyplot as plt






class 			__snake_case			:




  def __init__(					self	:		Optional[int]						):






         """simple docstring"""






         _lowerCamelCase		:							Optional[int]            =					''''''
         _lowerCamelCase		:							str            =					''''''
         _lowerCamelCase		:							Any            =					[]
         _lowerCamelCase		:							Optional[Any]            =					0
         _lowerCamelCase		:							Tuple            =					2_5_6
         _lowerCamelCase		:							Optional[int]            =					0
         _lowerCamelCase		:							str            =					0
         _lowerCamelCase		:							Any            =					0
         _lowerCamelCase		:							Dict            =					0




  def 		SCREAMING_SNAKE_CASE							(					self	:		int		,   __lowerCAmelCase	:		List[str]						):






         """simple docstring"""






         _lowerCamelCase		:							List[Any]            =					cva.imread(__lowerCAmelCase		,   0						)
         _lowerCamelCase		:							Tuple            =					copy.deepcopy(self.img						)
         _lowerCamelCase     ,       _lowerCamelCase     ,       _lowerCamelCase		:							Tuple            =					plt.hist(self.img.ravel()		,   2_5_6		,   [0, 2_5_6]		,   label='''x'''						)
         _lowerCamelCase		:							Dict            =					np.sum(__lowerCAmelCase						)
         for i in range(len(__lowerCAmelCase						)						):
                _lowerCamelCase		:							Tuple            =					x[i] / self.k
                self.sk += prk
                _lowerCamelCase		:							str            =					(self.L - 1) * self.sk
                if self.rem != 0:
                       _lowerCamelCase		:							List[Any]            =					int(last % last						)
                _lowerCamelCase		:							Optional[Any]            =					int(last + 1 if self.rem >= 0.5 else last						)
                self.last_list.append(__lowerCAmelCase						)
                _lowerCamelCase		:							Optional[Any]            =					int(np.ma.count(self.img						) / self.img[1].size						)
                _lowerCamelCase		:							Optional[int]            =					self.img[1].size
         for i in range(self.number_of_cols						):
                for j in range(self.number_of_rows						):
                       _lowerCamelCase		:							int            =					self.img[j][i]
                       if num != self.last_list[num]:
                              _lowerCamelCase		:							Optional[int]            =					self.last_list[num]
         cva.imwrite('''output_data/output.jpg'''		,   self.img						)




  def 		SCREAMING_SNAKE_CASE							(					self	:		Union[str, Any]						):






         """simple docstring"""






         plt.hist(self.img.ravel()		,   2_5_6		,   [0, 2_5_6]						)




  def 		SCREAMING_SNAKE_CASE							(					self	:		List[str]						):






         """simple docstring"""






         cva.imshow('''Output-Image'''		,   self.img						)
         cva.imshow('''Input-Image'''		,   self.original_image						)
         cva.waitKey(5_0_0_0						)
         cva.destroyAllWindows()


if __name__ == "__main__":
   lowerCAmelCase__              =							os.path.join(os.path.basename(__file__), '''image_data/input.jpg''')
   lowerCAmelCase__              =							ConstantStretch()
   stretcher.stretch(file_path)
   stretcher.plot_histogram()
   stretcher.show_image()







"""simple docstring"""







# Lint as: python3
import dataclasses
import re
from dataclasses import dataclass
from functools import total_ordering
from typing import Optional, Union


a_							=    re.compile(r"""^(?P<major>\d+)""" r"""\.(?P<minor>\d+)""" r"""\.(?P<patch>\d+)$""")







@total_ordering
@dataclass
class 					A_:







			"""simple docstring"""



			a_       :			str
			a_       :			Optional[str]												=			None
			a_       :			Optional[Union[str, int]]												=			None
			a_       :			Optional[Union[str, int]]												=			None
			a_       :			Optional[Union[str, int]]												=			None
			def    _lowerCAmelCase		(	self							):
						_lowerCamelCase       ,							_lowerCamelCase       ,							_lowerCamelCase					:					List[str]	       =    _str_to_version_tuple(self.version_str							)
			def __repr__(	self							):
						return F"{self.tuple[0]}.{self.tuple[1]}.{self.tuple[2]}"
			@property
			def    _lowerCAmelCase		(	self							):
						return self.major, self.minor, self.patch
			def    _lowerCAmelCase		(	self				,   A							):
						if isinstance(A				,   A							):
									return Version(A							)
						elif isinstance(A				,   A							):
									return other
						raise TypeError(F"{other} (type {type(A							)}) cannot be compared to version."							)
			def __eq__(	self				,   A							):
						try:
									_lowerCamelCase					:					Dict	       =    self._validate_operand(A							)
						except (TypeError, ValueError):
									return False
						else:
									return self.tuple == other.tuple
			def __lt__(	self				,   A							):
						_lowerCamelCase					:					Any	       =    self._validate_operand(A							)
						return self.tuple < other.tuple
			def __hash__(	self							):
						return hash(_version_tuple_to_str(self.tuple							)							)
			@classmethod
			def    _lowerCAmelCase		(	cls				,   A							):
						_lowerCamelCase					:					Optional[Any]	       =    {f.name for f in dataclasses.fields(cls							)}
						return cls(**{k: v for k, v in dic.items() if k in field_names}							)

			def    _lowerCAmelCase		(	self							):
						return self.version_str






def     UpperCAmelCase_					(				__a   :			Any						):




			'''simple docstring'''



			_lowerCamelCase					:					Union[str, Any]	       =    _VERSION_REG.match(__a						)
			if not res:
						raise ValueError(f"Invalid version '{version_str}'. Format should be x.y.z with {{x,y,z}} being digits."						)
			return tuple(int(__a						) for v in [res.group('major'						), res.group('minor'						), res.group('patch'						)]						)



def     UpperCAmelCase_					(				__a   :			List[str]						):




			'''simple docstring'''



			return ".".join(str(__a						) for v in version_tuple						)





