






"""simple docstring"""
import numpy as np
from cva import COLOR_BGR2GRAY, cvtColor, imread
from numpy import array, uinta
from PIL import Image

from digital_image_processing import change_contrast as cc
from digital_image_processing import convert_to_negative as cn
from digital_image_processing import sepia as sp
from digital_image_processing.dithering import burkes as bs
from digital_image_processing.edge_detection import canny
from digital_image_processing.filters import convolve as conv
from digital_image_processing.filters import gaussian_filter as gg
from digital_image_processing.filters import local_binary_pattern as lbp
from digital_image_processing.filters import median_filter as med
from digital_image_processing.filters import sobel_filter as sob
from digital_image_processing.resize import resize as rs

lowerCamelCase_       			=   imread(r'''digital_image_processing/image_data/lena_small.jpg''')
lowerCamelCase_       			=   cvtColor(img, COLOR_BGR2GRAY)

def        snake_case   (     ):
			UpperCAmelCase_  :				int      =      cn.convert_to_negative(A__		)
			# assert negative_img array for at least one True
			assert negative_img.any()

def        snake_case   (     ):
			with Image.open("digital_image_processing/image_data/lena_small.jpg"		) as img:
						# Work around assertion for response
						assert str(cc.change_contrast(A__			,1_10		)		).startswith(
						    "<PIL.Image.Image image mode=RGB size=100x100 at"		)

def        snake_case   (     ):
			UpperCAmelCase_  :				Optional[int]      =      canny.gen_gaussian_kernel(9			,sigma=1.4		)
			# Assert ambiguous array
			assert resp.all()

def        snake_case   (     ):
			UpperCAmelCase_  :				Optional[Any]      =      imread("digital_image_processing/image_data/lena_small.jpg"			,0		)
			# assert ambiguous array for all == True
			assert canny_img.all()
			UpperCAmelCase_  :				Union[str, Any]      =      canny.canny(A__		)
			# assert canny array for at least one True
			assert canny_array.any()

def        snake_case   (     ):
			assert gg.gaussian_filter(A__			,5			,sigma=0.9		).all()

def        snake_case   (     ):
			# laplace diagonals
			UpperCAmelCase_  :				Tuple      =      array([[0.25, 0.5, 0.25], [0.5, -3, 0.5], [0.25, 0.5, 0.25]]		)
			UpperCAmelCase_  :				int      =      conv.img_convolve(A__			,A__		).astype(A__		)
			assert res.any()

def        snake_case   (     ):
			assert med.median_filter(A__			,3		).any()

def        snake_case   (     ):
			UpperCAmelCase_  :				List[str]      =      sob.sobel_filter(A__		)
			assert grad.any() and theta.any()

def        snake_case   (     ):
			UpperCAmelCase_  :				Tuple      =      sp.make_sepia(A__			,20		)
			assert sepia.all()

def        snake_case   (     A__ = "digital_image_processing/image_data/lena_small.jpg"		):
			UpperCAmelCase_  :				int      =      bs.Burkes(imread(A__			,1		)			,1_20		)
			burkes.process()
			assert burkes.output_img.any()

def        snake_case   (     A__ = "digital_image_processing/image_data/lena_small.jpg"			,):
			UpperCAmelCase_  :				int      =      rs.NearestNeighbour(imread(A__			,1		)			,4_00			,2_00		)
			nn.process()
			assert nn.output.any()




def        snake_case   (     ):
			UpperCAmelCase_  :				Tuple      =      "digital_image_processing/image_data/lena.jpg"

			# Reading the image and converting it to grayscale.
			UpperCAmelCase_  :				str      =      imread(A__			,0		)

			# Test for get_neighbors_pixel function() return not None
			UpperCAmelCase_  :				Union[str, Any]      =      0
			UpperCAmelCase_  :				Any      =      0
			UpperCAmelCase_  :				List[str]      =      image[x_coordinate][y_coordinate]

			UpperCAmelCase_  :				Union[str, Any]      =      lbp.get_neighbors_pixel(
			    A__			,A__			,A__			,A__		)

			assert neighbors_pixels is not None

			# Test for local_binary_pattern function()
			# Create a numpy array as the same height and width of read image
			UpperCAmelCase_  :				Any      =      np.zeros((image.shape[0], image.shape[1])		)

			# Iterating through the image and calculating the local binary pattern value
			# for each pixel.
			for i in range(0			,image.shape[0]		):
						for j in range(0			,image.shape[1]		):
									UpperCAmelCase_  :				int      =      lbp.local_binary_value(A__			,A__			,A__		)

			assert lbp_image.any()











"""simple docstring"""
class     UpperCamelCase_ :





	def __init__(   self      :				List[str]			,			lowerCAmelCase_      :				int			,			lowerCAmelCase_      :				int=None			,			lowerCAmelCase_      :				List[Any]=None		)		->    int:
				UpperCAmelCase_  :				int      =      data
				UpperCAmelCase_  :				Optional[int]      =      previous
				UpperCAmelCase_  :				int      =      next_node





	def __str__(   self      :				Dict		)		->    str:
				return f"""{self.data}"""





	def   _SCREAMING_SNAKE_CASE   (   self      :				Any		)		->    int:
				return self.data





	def   _SCREAMING_SNAKE_CASE   (   self      :				Dict		)		->    Union[str, Any]:
				return self.next





	def   _SCREAMING_SNAKE_CASE   (   self      :				Union[str, Any]		)		->    Optional[int]:
				return self.previous







class     UpperCamelCase_ :





	def __init__(   self      :				Any			,			lowerCAmelCase_      :				str		)		->    List[str]:
				UpperCAmelCase_  :				Union[str, Any]      =      head





	def __iter__(   self      :				Any		)		->    List[str]:
				return self





	def   _SCREAMING_SNAKE_CASE   (   self      :				Union[str, Any]		)		->    str:
				if not self.current:
							raise StopIteration
				else:
							UpperCAmelCase_  :				Optional[int]      =      self.current.get_data()
							UpperCAmelCase_  :				Dict      =      self.current.get_next()
							return value







class     UpperCamelCase_ :





	def __init__(   self      :				List[str]		)		->    Tuple:
				UpperCAmelCase_  :				Tuple      =      None  # First node in list
				UpperCAmelCase_  :				Union[str, Any]      =      None  # Last node in list





	def __str__(   self      :				List[Any]		)		->    Optional[int]:
				UpperCAmelCase_  :				List[str]      =      self.head
				UpperCAmelCase_  :				int      =      []
				while current is not None:
							nodes.append(current.get_data()		)
							UpperCAmelCase_  :				Optional[Any]      =      current.get_next()
				return " ".join(str(lowerCAmelCase_		) for node in nodes		)





	def __contains__(   self      :				int			,			lowerCAmelCase_      :				int		)		->    List[str]:
				UpperCAmelCase_  :				Optional[int]      =      self.head
				while current:
							if current.get_data() == value:
										return True
							UpperCAmelCase_  :				Union[str, Any]      =      current.get_next()
				return False





	def __iter__(   self      :				int		)		->    Tuple:
				return LinkedListIterator(self.head		)





	def   _SCREAMING_SNAKE_CASE   (   self      :				List[Any]		)		->    Optional[int]:
				if self.head:
							return self.head.get_data()
				return None





	def   _SCREAMING_SNAKE_CASE   (   self      :				str		)		->    Optional[Any]:
				if self.tail:
							return self.tail.get_data()
				return None





	def   _SCREAMING_SNAKE_CASE   (   self      :				Optional[int]			,			lowerCAmelCase_      :				Node		)		->    None:
				if self.head is None:
							UpperCAmelCase_  :				Optional[int]      =      node
							UpperCAmelCase_  :				Union[str, Any]      =      node
				else:
							self.insert_before_node(self.head			,			lowerCAmelCase_		)





	def   _SCREAMING_SNAKE_CASE   (   self      :				Tuple			,			lowerCAmelCase_      :				Node		)		->    None:
				if self.head is None:
							self.set_head(lowerCAmelCase_		)
				else:
							self.insert_after_node(self.tail			,			lowerCAmelCase_		)





	def   _SCREAMING_SNAKE_CASE   (   self      :				int			,			lowerCAmelCase_      :				int		)		->    None:
				UpperCAmelCase_  :				Optional[Any]      =      Node(lowerCAmelCase_		)
				if self.head is None:
							self.set_head(lowerCAmelCase_		)
				else:
							self.set_tail(lowerCAmelCase_		)





	def   _SCREAMING_SNAKE_CASE   (   self      :				List[Any]			,			lowerCAmelCase_      :				Node			,			lowerCAmelCase_      :				Node		)		->    None:
				UpperCAmelCase_  :				Any      =      node
				UpperCAmelCase_  :				Tuple      =      node.previous

				if node.get_previous() is None:
							UpperCAmelCase_  :				List[Any]      =      node_to_insert
				else:
							UpperCAmelCase_  :				Dict      =      node_to_insert

				UpperCAmelCase_  :				Dict      =      node_to_insert





	def   _SCREAMING_SNAKE_CASE   (   self      :				Optional[int]			,			lowerCAmelCase_      :				Node			,			lowerCAmelCase_      :				Node		)		->    None:
				UpperCAmelCase_  :				Dict      =      node
				UpperCAmelCase_  :				int      =      node.next

				if node.get_next() is None:
							UpperCAmelCase_  :				int      =      node_to_insert
				else:
							UpperCAmelCase_  :				Optional[Any]      =      node_to_insert

				UpperCAmelCase_  :				Any      =      node_to_insert





	def   _SCREAMING_SNAKE_CASE   (   self      :				Tuple			,			lowerCAmelCase_      :				int			,			lowerCAmelCase_      :				int		)		->    None:
				UpperCAmelCase_  :				int      =      1
				UpperCAmelCase_  :				List[str]      =      Node(lowerCAmelCase_		)
				UpperCAmelCase_  :				Optional[Any]      =      self.head
				while node:
							if current_position == position:
										self.insert_before_node(lowerCAmelCase_			,			lowerCAmelCase_		)
										return
							current_position += 1
							UpperCAmelCase_  :				Optional[Any]      =      node.next
				self.insert_after_node(self.tail			,			lowerCAmelCase_		)





	def   _SCREAMING_SNAKE_CASE   (   self      :				Optional[Any]			,			lowerCAmelCase_      :				int		)		->    Node:
				UpperCAmelCase_  :				List[Any]      =      self.head
				while node:
							if node.get_data() == item:
										return node
							UpperCAmelCase_  :				Optional[int]      =      node.get_next()
				raise Exception("Node not found"		)





	def   _SCREAMING_SNAKE_CASE   (   self      :				str			,			lowerCAmelCase_      :				List[str]		)		->    Union[str, Any]:
				if (node := self.get_node(lowerCAmelCase_		)) is not None:
							if node == self.head:
										UpperCAmelCase_  :				Tuple      =      self.head.get_next()

							if node == self.tail:
										UpperCAmelCase_  :				Optional[int]      =      self.tail.get_previous()

							self.remove_node_pointers(lowerCAmelCase_		)





	@staticmethod
	def   _SCREAMING_SNAKE_CASE   (   lowerCAmelCase_      :				Node		)		->    None:
				if node.get_next():
							UpperCAmelCase_  :				int      =      node.previous

				if node.get_previous():
							UpperCAmelCase_  :				Optional[Any]      =      node.next

				UpperCAmelCase_  :				Optional[int]      =      None
				UpperCAmelCase_  :				Dict      =      None





	def   _SCREAMING_SNAKE_CASE   (   self      :				Union[str, Any]		)		->    str:
				return self.head is None





def        snake_case   (     ):
			pass


if __name__ == "__main__":
			import doctest

			doctest.testmod()



