


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


A   :					Union[str, Any]	=      False
try:
    A   :					str	=      _is_package_available("google.colab")
except ModuleNotFoundError:
    pass







@input.register
class     _lowercase				:


       """simple docstring"""




       def __init__(     self							:    Optional[int]      ,   __lowerCamelCase							:    str = None      ,   __lowerCamelCase							:    list = [] ):


             '''simple docstring'''



             lowerCamelCase__	:       Tuple					=						0
             lowerCamelCase__	:       Optional[int]					=						choices
             lowerCamelCase__	:       Union[str, Any]					=						prompt
             if sys.platform == "win32":
                   lowerCamelCase__	:       Optional[int]					=						"*"
             else:
                   lowerCamelCase__	:       Union[str, Any]					=						"➔ "





       def 		lowerCAmelCase  (     self							:    int      ,   __lowerCamelCase							:    int      ,   __lowerCamelCase							:    str = "" ):


             '''simple docstring'''



             if sys.platform != "win32":
                   writeColor(self.choices[index]      ,   32      ,   __lowerCamelCase )
             else:
                   forceWrite(self.choices[index]      ,   __lowerCamelCase )





       def 		lowerCAmelCase  (     self							:    Dict      ,   __lowerCamelCase							:    int ):


             '''simple docstring'''



             if index == self.position:
                   forceWrite(f" {self.arrow_char} " )
                   self.write_choice(__lowerCamelCase )
             else:
                   forceWrite(f"    {self.choices[index]}" )
             reset_cursor()





       def 		lowerCAmelCase  (     self							:    Any      ,   __lowerCamelCase							:    Direction      ,   __lowerCamelCase							:    int = 1 ):


             '''simple docstring'''



             lowerCamelCase__	:       Optional[int]					=						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(__lowerCamelCase )
             move_cursor(__lowerCamelCase      ,   direction.name )
             self.print_choice(self.position )





       @input.mark(KEYMAP["up"] )
       def 		lowerCAmelCase  (     self							:    Optional[int] ):


             '''simple docstring'''



             self.move_direction(Direction.UP )





       @input.mark(KEYMAP["down"] )
       def 		lowerCAmelCase  (     self							:    Optional[Any] ):


             '''simple docstring'''



             self.move_direction(Direction.DOWN )





       @input.mark(KEYMAP["newline"] )
       def 		lowerCAmelCase  (     self							:    str ):


             '''simple docstring'''



             move_cursor(len(self.choices ) - self.position      ,   "DOWN" )
             return self.position





       @input.mark(KEYMAP["interrupt"] )
       def 		lowerCAmelCase  (     self							:    Tuple ):


             '''simple docstring'''



             move_cursor(len(self.choices ) - self.position      ,   "DOWN" )
             raise KeyboardInterrupt





       @input.mark_multiple(*[KEYMAP[str(__lowerCamelCase )] for number in range(10 )] )
       def 		lowerCAmelCase  (     self							:    str ):


             '''simple docstring'''



             lowerCamelCase__	:       List[Any]					=						int(chr(self.current_selection ) )
             lowerCamelCase__	:       Union[str, Any]					=						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      ,   __lowerCamelCase )
                   else:
                         return
             else:
                   return





       def 		lowerCAmelCase  (     self							:    List[str]      ,   __lowerCamelCase							:    int = 0 ):


             '''simple docstring'''



             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" )
             lowerCamelCase__	:       Optional[Any]					=						default_choice
             for i in range(len(self.choices ) ):
                   self.print_choice(__lowerCamelCase )
                   forceWrite("\n" )
             move_cursor(len(self.choices ) - self.position      ,   "UP" )
             with cursor.hide():
                   while True:
                         if in_colab:
                               try:
                                     lowerCamelCase__	:       int					=						int(builtins.input() )
                               except ValueError:
                                     lowerCamelCase__	:       Any					=						default_choice
                         else:
                               lowerCamelCase__	:       int					=						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(__lowerCamelCase      ,   "\n" )
                               return choice






import cva
import numpy as np







class     _lowercase				:


       """simple docstring"""




       def __init__(     self							:    Union[str, Any]      ,   __lowerCamelCase							:    float      ,   __lowerCamelCase							:    int ):


             '''simple docstring'''



             if k in (0.0_4, 0.0_6):
                   lowerCamelCase__	:       int					=						k
                   lowerCamelCase__	:       List[str]					=						window_size
             else:
                   raise ValueError("invalid k value" )





       def __str__(     self							:    str ):


             '''simple docstring'''



             return str(self.k )





       def 		lowerCAmelCase  (     self							:    Tuple      ,   __lowerCamelCase							:    str ):


             '''simple docstring'''



             lowerCamelCase__	:       Union[str, Any]					=						cva.imread(__lowerCamelCase      ,   0 )
             lowerCamelCase__					,     lowerCamelCase__	:       Any					=						img.shape
             lowerCamelCase__	:       list[list[int]]					=						[]
             lowerCamelCase__	:       List[Any]					=						img.copy()
             lowerCamelCase__	:       int					=						cva.cvtColor(__lowerCamelCase      ,   cva.COLOR_GRAY2RGB )
             lowerCamelCase__					,     lowerCamelCase__	:       int					=						np.gradient(__lowerCamelCase )
             lowerCamelCase__	:       Dict					=						dx**2
             lowerCamelCase__	:       Optional[Any]					=						dy**2
             lowerCamelCase__	:       int					=						dx * dy
             lowerCamelCase__	:       Union[str, Any]					=						0.0_4
             lowerCamelCase__	:       Any					=						self.window_size // 2
             for y in range(__lowerCamelCase      ,   h - offset ):
                   for x in range(__lowerCamelCase      ,   w - offset ):
                         lowerCamelCase__	:       Optional[Any]					=						ixx[
                             y - offset : y + offset + 1, x - offset : x + offset + 1
                         ].sum()
                         lowerCamelCase__	:       Optional[Any]					=						iyy[
                             y - offset : y + offset + 1, x - offset : x + offset + 1
                         ].sum()
                         lowerCamelCase__	:       str					=						ixy[
                             y - offset : y + offset + 1, x - offset : x + offset + 1
                         ].sum()

                         lowerCamelCase__	:       Optional[Any]					=						(wxx * wyy) - (wxy**2)
                         lowerCamelCase__	:       List[str]					=						wxx + wyy
                         lowerCamelCase__	:       List[Any]					=						det - k * (trace**2)
                         # Can change the value
                         if r > 0.5:
                               corner_list.append([x, y, r] )
                               color_img.itemset((y, x, 0)      ,   0 )
                               color_img.itemset((y, x, 1)      ,   0 )
                               color_img.itemset((y, x, 2)      ,   255 )
             return color_img, corner_list


if __name__ == "__main__":
    A   :					Tuple	=      HarrisCorner(0.0_4, 3)
    A,						A   :					Optional[int]	=      edge_detect.detect("path_to_image")
    cva.imwrite("detect.png", color_img)


