





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				:    List[str]       =   False
try:
				__A				:    List[Any]       =   _is_package_available("google.colab")
except ModuleNotFoundError:
				pass

@input.register
class 	A_       :
	def __init__(    self							,					_A = None							,					_A = []		):






				'''simple docstring'''







				UpperCAmelCase   		=				0
				UpperCAmelCase   		=				choices
				UpperCAmelCase   		=				prompt
				if sys.platform == "win32":
							UpperCAmelCase   		=				'''*'''
				else:
							UpperCAmelCase   		=				'''➔ '''
	def      _lowercase				(    self							,					_A							,					_A = ""		):






				'''simple docstring'''







				if sys.platform != "win32":
							writeColor(self.choices[index]							,					3_2							,					_A		)
				else:
							forceWrite(self.choices[index]							,					_A		)
	def      _lowercase				(    self							,					_A		):






				'''simple docstring'''







				if index == self.position:
							forceWrite(F""" {self.arrow_char} """		)
							self.write_choice(_A		)
				else:
							forceWrite(F"""    {self.choices[index]}"""		)
				reset_cursor()
	def      _lowercase				(    self							,					_A							,					_A = 1		):






				'''simple docstring'''







				UpperCAmelCase   		=				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(_A		)
				move_cursor(_A							,					direction.name		)
				self.print_choice(self.position		)
	@input.mark(KEYMAP['''up''']		)
	def      _lowercase				(    self		):






				'''simple docstring'''







				self.move_direction(Direction.UP		)
	@input.mark(KEYMAP['''down''']		)
	def      _lowercase				(    self		):






				'''simple docstring'''







				self.move_direction(Direction.DOWN		)
	@input.mark(KEYMAP['''newline''']		)
	def      _lowercase				(    self		):






				'''simple docstring'''







				move_cursor(len(self.choices		) - self.position							,					'''DOWN'''		)
				return self.position
	@input.mark(KEYMAP['''interrupt''']		)
	def      _lowercase				(    self		):






				'''simple docstring'''







				move_cursor(len(self.choices		) - self.position							,					'''DOWN'''		)
				raise KeyboardInterrupt
	@input.mark_multiple(*[KEYMAP[str(_A		)] for number in range(1_0		)]		)
	def      _lowercase				(    self		):






				'''simple docstring'''







				UpperCAmelCase   		=				int(chr(self.current_selection		)		)
				UpperCAmelCase   		=				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							,					_A		)
							else:
										return
				else:
							return







	def      _lowercase				(    self							,					_A = 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'''		)
				UpperCAmelCase   		=				default_choice
				for i in range(len(self.choices		)		):
							self.print_choice(_A		)
							forceWrite('''\n'''		)
				move_cursor(len(self.choices		) - self.position							,					'''UP'''		)
				with cursor.hide():
							while True:
										if in_colab:
													try:
																UpperCAmelCase   		=				int(builtins.input()		)
													except ValueError:
																UpperCAmelCase   		=				default_choice
										else:
													UpperCAmelCase   		=				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(_A							,					'''\n'''		)
													return choice










import cva
import numpy as np

class 	A_       :
	def __init__(    self							,					_A							,					_A		):






				'''simple docstring'''







				if k in (0.04, 0.06):
							UpperCAmelCase   		=				k
							UpperCAmelCase   		=				window_size
				else:
							raise ValueError('''invalid k value'''		)
	def __str__(    self		):






				'''simple docstring'''







				return str(self.k		)







	def      _lowercase				(    self							,					_A		):






				'''simple docstring'''







				UpperCAmelCase   		=				cva.imread(_A							,					0		)
				UpperCAmelCase		,			UpperCAmelCase   		=				img.shape
				UpperCAmelCase   		=				[]
				UpperCAmelCase   		=				img.copy()
				UpperCAmelCase   		=				cva.cvtColor(_A							,					cva.COLOR_GRAY2RGB		)
				UpperCAmelCase		,			UpperCAmelCase   		=				np.gradient(_A		)
				UpperCAmelCase   		=				dx**2
				UpperCAmelCase   		=				dy**2
				UpperCAmelCase   		=				dx * dy
				UpperCAmelCase   		=				0.04
				UpperCAmelCase   		=				self.window_size // 2
				for y in range(_A							,					h - offset		):
							for x in range(_A							,					w - offset		):
										UpperCAmelCase   		=				ixx[
										    y - offset : y + offset + 1, x - offset : x + offset + 1
										].sum()
										UpperCAmelCase   		=				iyy[
										    y - offset : y + offset + 1, x - offset : x + offset + 1
										].sum()
										UpperCAmelCase   		=				ixy[
										    y - offset : y + offset + 1, x - offset : x + offset + 1
										].sum()

										UpperCAmelCase   		=				(wxx * wyy) - (wxy**2)
										UpperCAmelCase   		=				wxx + wyy
										UpperCAmelCase   		=				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)							,					2_5_5		)
				return color_img, corner_list


if __name__ == "__main__":
				__A				:    Tuple       =   HarrisCorner(0.04, 3)
				__A    , __A				:    List[Any]       =   edge_detect.detect("path_to_image")
				cva.imwrite("detect.png", color_img)



