



"""simple docstring"""

import builtins
import sys

from ...utils.imports import _is_package_available
from . import cursor, input
from .helpers import Direction, clear_line, forceWrite, linebreak, move_cursor, reset_cursor, writeColor
from .keymap import KEYMAP


lowercase__    :  List[Any]							    =	False
try:
     lowercase__    :  int							    =	_is_package_available('''google.colab''')
except ModuleNotFoundError:
     pass




@input.register
class        _UpperCAmelCase       :

 def __init__(     self		:       Tuple  ,     lowercase_		:       str = None  ,     lowercase_		:       list = []				):
     snake_case_ :     List[str]				=	0
     snake_case_ :     Optional[Any]				=	choices
     snake_case_ :     str				=	prompt
     if sys.platform == "win32":
         snake_case_ :     Any				=	'''*'''
     else:
         snake_case_ :     str				=	'''➔ '''

 def 						_snake_case					(     self		:       Union[str, Any]  ,     lowercase_		:       List[str]  ,     lowercase_		:       str = ""				):
     if sys.platform != "win32":
         writeColor(self.choices[index]  ,     32  ,     lowercase_				)
     else:
         forceWrite(self.choices[index]  ,     lowercase_				)

 def 						_snake_case					(     self		:       Tuple  ,     lowercase_		:       int				):
     if index == self.position:
         forceWrite(f" {self.arrow_char} "				)
         self.write_choice(lowercase_				)
     else:
         forceWrite(f"    {self.choices[index]}"				)
     reset_cursor()

 def 						_snake_case					(     self		:       Optional[Any]  ,     lowercase_		:       Direction  ,     lowercase_		:       int = 1				):
     snake_case_ :     Optional[Any]				=	self.position
     if direction == Direction.DOWN:
         if self.position + 1 >= len(self.choices				):
             return
         self.position += num_spaces
     else:
         if self.position - 1 < 0:
             return
         self.position -= num_spaces
     clear_line()
     self.print_choice(lowercase_				)
     move_cursor(lowercase_  ,     direction.name				)
     self.print_choice(self.position				)

 @input.mark(KEYMAP['''up''']				)
 def 						_snake_case					(     self		:       Optional[Any]				):
     self.move_direction(Direction.UP				)

 @input.mark(KEYMAP['''down''']				)
 def 						_snake_case					(     self		:       Any				):
     self.move_direction(Direction.DOWN				)

 @input.mark(KEYMAP['''newline''']				)
 def 						_snake_case					(     self		:       Optional[Any]				):
     move_cursor(len(self.choices				) - self.position  ,     '''DOWN'''				)
     return self.position

 @input.mark(KEYMAP['''interrupt''']				)
 def 						_snake_case					(     self		:       Optional[int]				):
     move_cursor(len(self.choices				) - self.position  ,     '''DOWN'''				)
     raise KeyboardInterrupt

 @input.mark_multiple(*[KEYMAP[str(lowercase_				)] for number in range(10				)]				)
 def 						_snake_case					(     self		:       List[str]				):
     snake_case_ :     Any				=	int(chr(self.current_selection				)				)
     snake_case_ :     Optional[int]				=	index - self.position
     if index == self.position:
         return
     if index < len(self.choices				):
         if self.position > index:
             self.move_direction(Direction.UP  ,     -movement				)
         elif self.position < index:
             self.move_direction(Direction.DOWN  ,     lowercase_				)
         else:
             return
     else:
         return






 def 						_snake_case					(     self		:       int  ,     lowercase_		:       int = 0				):
     if self.prompt:
         linebreak()
         forceWrite(self.prompt  ,     '''\n'''				)
         if in_colab:
             forceWrite('''Please input a choice index (starting from 0), and press enter'''  ,     '''\n'''				)
         else:
             forceWrite('''Please select a choice using the arrow or number keys, and selecting with enter'''  ,     '''\n'''				)
     snake_case_ :     Union[str, Any]				=	default_choice
     for i in range(len(self.choices				)				):
         self.print_choice(lowercase_				)
         forceWrite('''\n'''				)
     move_cursor(len(self.choices				) - self.position  ,     '''UP'''				)
     with cursor.hide():
         while True:
             if in_colab:
                 try:
                     snake_case_ :     Optional[Any]				=	int(builtins.input()				)
                 except ValueError:
                     snake_case_ :     Dict				=	default_choice
             else:
                 snake_case_ :     List[str]				=	self.handle_input()
             if choice is not None:
                 reset_cursor()
                 for _ in range(len(self.choices				) + 1				):
                     move_cursor(1  ,     '''UP'''				)
                     clear_line()
                 self.write_choice(lowercase_  ,     '''\n'''				)
                 return choice










"""simple docstring"""

import copy
import os

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




class        _UpperCAmelCase       :

 def __init__(     self		:       List[Any]				):
     snake_case_ :     List[str]				=	''''''
     snake_case_ :     Tuple				=	''''''
     snake_case_ :     int				=	[]
     snake_case_ :     Optional[int]				=	0
     snake_case_ :     Optional[Any]				=	256
     snake_case_ :     Tuple				=	0
     snake_case_ :     Tuple				=	0
     snake_case_ :     Optional[Any]				=	0
     snake_case_ :     Any				=	0

 def 						_snake_case					(     self		:       Optional[Any]  ,     lowercase_		:       List[Any]				):
     snake_case_ :     List[Any]				=	cva.imread(lowercase_  ,     0				)
     snake_case_ :     Tuple				=	copy.deepcopy(self.img				)
     snake_case_,	snake_case_,	snake_case_ :     List[Any]				=	plt.hist(self.img.ravel()  ,     256  ,     [0, 256]  ,     label='''x'''				)
     snake_case_ :     str				=	np.sum(lowercase_				)
     for i in range(len(lowercase_				)				):
         snake_case_ :     Optional[Any]				=	x[i] / self.k
         self.sk += prk
         snake_case_ :     Any				=	(self.L - 1) * self.sk
         if self.rem != 0:
             snake_case_ :     Dict				=	int(last % last				)
         snake_case_ :     Union[str, Any]				=	int(last + 1 if self.rem >= 0.5 else last				)
         self.last_list.append(lowercase_				)
         snake_case_ :     int				=	int(np.ma.count(self.img				) / self.img[1].size				)
         snake_case_ :     Tuple				=	self.img[1].size
     for i in range(self.number_of_cols				):
         for j in range(self.number_of_rows				):
             snake_case_ :     Union[str, Any]				=	self.img[j][i]
             if num != self.last_list[num]:
                 snake_case_ :     List[str]				=	self.last_list[num]
     cva.imwrite('''output_data/output.jpg'''  ,     self.img				)

 def 						_snake_case					(     self		:       Tuple				):
     plt.hist(self.img.ravel()  ,     256  ,     [0, 256]				)






 def 						_snake_case					(     self		:       int				):
     cva.imshow('''Output-Image'''  ,     self.img				)
     cva.imshow('''Input-Image'''  ,     self.original_image				)
     cva.waitKey(5000				)
     cva.destroyAllWindows()


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





