
import copy
import os

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







class 				lowercase		:




							def __init__(				self):
												lowercase							=						''''''
												lowercase							=						''''''
												lowercase							=						[]
												lowercase							=						0
												lowercase							=						2_5_6
												lowercase							=						0
												lowercase							=						0
												lowercase							=						0
												lowercase							=						0




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




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





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


if __name__ == "__main__":
							lowercase__		:List[Any]   =    os.path.join(os.path.basename(__file__), "image_data/input.jpg")
							lowercase__		:str   =    ConstantStretch()
							stretcher.stretch(file_path)
							stretcher.plot_histogram()
							stretcher.show_image()






from __future__ import annotations

lowercase__		:Any   =    1.60_21E-19  # units = C



def        UpperCamelCase    (							lowerCAmelCase__ ,			lowerCAmelCase__ ,			lowerCAmelCase__ ,			):
					'''simple docstring'''
					if (conductivity, electron_conc, mobility).count(0		) != 1:
										raise ValueError('''You cannot supply more or less than 2 values'''		)
					elif conductivity < 0:
										raise ValueError('''Conductivity cannot be negative'''		)
					elif electron_conc < 0:
										raise ValueError('''Electron concentration cannot be negative'''		)
					elif mobility < 0:
										raise ValueError('''mobility cannot be negative'''		)
					elif conductivity == 0:
										return (
										    "conductivity",
										    mobility * electron_conc * ELECTRON_CHARGE,
										)
					elif electron_conc == 0:
										return (
										    "electron_conc",
										    conductivity / (mobility * ELECTRON_CHARGE),
										)
					else:
										return (
										    "mobility",
										    conductivity / (electron_conc * ELECTRON_CHARGE),
										)


if __name__ == "__main__":
							import doctest

							doctest.testmod()




