


'''simple docstring'''
import cva
import numpy as np

from digital_image_processing.filters.convolve import img_convolve
from digital_image_processing.filters.sobel_filter import sobel_filter

__magic_name__   :   Dict  							=1_80




def      __snake_case       (       lowerCamelCase_ :				Tuple	,  lowerCamelCase_ :				int						):
				'''simple docstring'''




				__magic_name__	  = k_size // 2
				__magic_name__  ,      __magic_name__	  = np.mgrid[0 - center : k_size - center, 0 - center : k_size - center]
				__magic_name__	  = (
				    1
				    / (2 * np.pi * sigma)
				    * np.exp(-(np.square(lowerCamelCase_						) + np.square(lowerCamelCase_						)) / (2 * np.square(lowerCamelCase_						))						)
				)
				return g




def      __snake_case       (       lowerCamelCase_ :				str	,  lowerCamelCase_ :				Dict	,  lowerCamelCase_ :				int						):
				'''simple docstring'''




				__magic_name__	  = np.zeros(lowerCamelCase_						)

				for row in range(1	,  image_shape[0] - 1						):
								for col in range(1	,  image_shape[1] - 1						):
												__magic_name__	  = gradient_direction[row, col]

												if (
												    0 <= direction < PI / 8
												    or 15 * PI / 8 <= direction <= 2 * PI
												    or 7 * PI / 8 <= direction <= 9 * PI / 8
												):
																__magic_name__	  = sobel_grad[row, col - 1]
																__magic_name__	  = sobel_grad[row, col + 1]
																if sobel_grad[row, col] >= w and sobel_grad[row, col] >= e:
																				__magic_name__	  = sobel_grad[row, col]

												elif (
												    PI / 8 <= direction < 3 * PI / 8
												    or 9 * PI / 8 <= direction < 11 * PI / 8
												):
																__magic_name__	  = sobel_grad[row + 1, col - 1]
																__magic_name__	  = sobel_grad[row - 1, col + 1]
																if sobel_grad[row, col] >= sw and sobel_grad[row, col] >= ne:
																				__magic_name__	  = sobel_grad[row, col]

												elif (
												    3 * PI / 8 <= direction < 5 * PI / 8
												    or 11 * PI / 8 <= direction < 13 * PI / 8
												):
																__magic_name__	  = sobel_grad[row - 1, col]
																__magic_name__	  = sobel_grad[row + 1, col]
																if sobel_grad[row, col] >= n and sobel_grad[row, col] >= s:
																				__magic_name__	  = sobel_grad[row, col]

												elif (
												    5 * PI / 8 <= direction < 7 * PI / 8
												    or 13 * PI / 8 <= direction < 15 * PI / 8
												):
																__magic_name__	  = sobel_grad[row - 1, col - 1]
																__magic_name__	  = sobel_grad[row + 1, col + 1]
																if sobel_grad[row, col] >= nw and sobel_grad[row, col] >= se:
																				__magic_name__	  = sobel_grad[row, col]

				return destination




def      __snake_case       (       lowerCamelCase_ :				str	,  lowerCamelCase_ :				Dict	,  lowerCamelCase_ :				Any	,  lowerCamelCase_ :				List[Any]	,  lowerCamelCase_ :				Dict	,  lowerCamelCase_ :				Union[str, Any]						):
				'''simple docstring'''




				for row in range(1	,  image_shape[0] - 1						):
								for col in range(1	,  image_shape[1] - 1						):
												if destination[row, col] >= threshold_high:
																__magic_name__	  = strong
												elif destination[row, col] <= threshold_low:
																__magic_name__	  = 0
												else:
																__magic_name__	  = weak




def      __snake_case       (       lowerCamelCase_ :				Tuple	,  lowerCamelCase_ :				List[str]	,  lowerCamelCase_ :				Dict	,  lowerCamelCase_ :				Tuple						):
				'''simple docstring'''




				for row in range(1	,  image_shape[0]						):
								for col in range(1	,  image_shape[1]						):
												if destination[row, col] == weak:
																if 255 in (
																    destination[row, col + 1],
																    destination[row, col - 1],
																    destination[row - 1, col],
																    destination[row + 1, col],
																    destination[row - 1, col - 1],
																    destination[row + 1, col - 1],
																    destination[row - 1, col + 1],
																    destination[row + 1, col + 1],
																):
																				__magic_name__	  = strong
																else:
																				__magic_name__	  = 0




def      __snake_case       (       lowerCamelCase_ :				int	,  lowerCamelCase_ :				str=15	,  lowerCamelCase_ :				Union[str, Any]=30	,  lowerCamelCase_ :				List[Any]=128	,  lowerCamelCase_ :				Optional[Any]=255						):
				'''simple docstring'''




				__magic_name__	  = img_convolve(lowerCamelCase_	,  gen_gaussian_kernel(9	,  sigma=1.4						)						)
				# get the gradient and degree by sobel_filter
				__magic_name__  ,      __magic_name__	  = sobel_filter(lowerCamelCase_						)
				__magic_name__	  = PI + np.radadeg(lowerCamelCase_						)

				__magic_name__	  = suppress_non_maximum(image.shape	,  lowerCamelCase_	,  lowerCamelCase_						)

				detect_high_low_threshold(
				    image.shape	,  lowerCamelCase_	,  lowerCamelCase_	,  lowerCamelCase_	,  lowerCamelCase_	,  lowerCamelCase_						)

				track_edge(image.shape	,  lowerCamelCase_	,  lowerCamelCase_	,  lowerCamelCase_						)

				return destination


if __name__ == "__main__":
						# read original image in gray mode
						__magic_name__   :   str  							=cva.imread(R'../image_data/lena.jpg', 0)
						# canny edge detection
						__magic_name__   :   Optional[int]  							=canny(lena)
						cva.imshow('canny', canny_destination)
						cva.waitKey(0)







'''simple docstring'''
import os
import sys
import time

from . import transposition_cipher as trans_cipher




def      __snake_case       (       ):
				'''simple docstring'''




				__magic_name__	  = "Prehistoric Men.txt"
				__magic_name__	  = "Output.txt"
				__magic_name__	  = int(input("Enter key: "						)						)
				__magic_name__	  = input("Encrypt/Decrypt [e/d]: "						)

				if not os.path.exists(lowerCamelCase_						):
								print(F'File {input_file} does not exist. Quitting...'						)
								sys.exit()
				if os.path.exists(lowerCamelCase_						):
								print(F'Overwrite {output_file}? [y/n]'						)
								__magic_name__	  = input("> "						)
								if not response.lower().startswith("y"						):
												sys.exit()

				__magic_name__	  = time.time()
				if mode.lower().startswith("e"						):
								with open(lowerCamelCase_						) as f:
												__magic_name__	  = f.read()
								__magic_name__	  = trans_cipher.encrypt_message(lowerCamelCase_	,  lowerCamelCase_						)
				elif mode.lower().startswith("d"						):
								with open(lowerCamelCase_						) as f:
												__magic_name__	  = f.read()
								__magic_name__	  = trans_cipher.decrypt_message(lowerCamelCase_	,  lowerCamelCase_						)

				with open(lowerCamelCase_	,  "w"						) as output_obj:
								output_obj.write(lowerCamelCase_						)

				__magic_name__	  = round(time.time() - start_time	,  2						)
				print(("Done (", total_time, "seconds )")						)


if __name__ == "__main__":
						main()



