"""simple docstring"""







from pathlib import Path

import cva
import numpy as np
from matplotlib import pyplot as plt
def   __UpperCAmelCase    (   UpperCAmelCase_   :    np.ndarray      ,							UpperCAmelCase_   :    np.ndarray      ,							UpperCAmelCase_   :    np.ndarray      ,							UpperCAmelCase_   :    int      ,							UpperCAmelCase_   :    int  )							->      np.ndarray:

	'''simple docstring'''





	__snake_case      :							Dict						=			cva.getAffineTransform(UpperCAmelCase_      ,							UpperCAmelCase_  )
	return cva.warpAffine(UpperCAmelCase_      ,							UpperCAmelCase_      ,							(rows, cols)  )


if __name__ == "__main__":
	# read original image
	_a					:					Any=			cva.imread(
	    str(Path(__file__).resolve().parent.parent / "image_data" / "lena.jpg")
	)
	# turn image in gray scale value
	_a					:					int=			cva.cvtColor(image, cva.COLOR_BGR2GRAY)
	# get image shape
	_a,		_a					:					List[Any]=			gray_img.shape

	# set different points to rotate image
	_a					:					int=			np.array([[50, 50], [200, 50], [50, 200]], np.floataa)
	_a					:					List[Any]=			np.array([[10, 100], [200, 50], [100, 250]], np.floataa)
	_a					:					Union[str, Any]=			np.array([[50, 50], [150, 50], [120, 200]], np.floataa)
	_a					:					Optional[int]=			np.array([[10, 100], [80, 50], [180, 250]], np.floataa)

	# add all rotated images in a list
	_a					:					Dict=			[
	    gray_img,
	    get_rotation(gray_img, ptsa, ptsa, img_rows, img_cols),
	    get_rotation(gray_img, ptsa, ptsa, img_rows, img_cols),
	    get_rotation(gray_img, ptsa, ptsa, img_rows, img_cols),
	]

	# plot different image rotations
	_a					:					List[str]=			plt.figure(1)
	_a					:					List[str]=			["Original", "Rotation 1", "Rotation 2", "Rotation 3"]
	for i, image in enumerate(images):
		plt.subplot(2, 2, i + 1), plt.imshow(image, "gray")
		plt.title(titles[i])
		plt.axis("off")
		plt.subplots_adjust(left=0.0, bottom=0.0_5, right=1.0, top=0.9_5)
	plt.show()






"""simple docstring"""







def   __UpperCAmelCase    (   UpperCAmelCase_   :    int      ,							UpperCAmelCase_   :    int  )							->      int:

	'''simple docstring'''





	while a != 0:
		__snake_case		,    __snake_case      :							Union[str, Any]						=			b % a, a
	return b

def   __UpperCAmelCase    (   UpperCAmelCase_   :    int      ,							UpperCAmelCase_   :    int  )							->      int:

	'''simple docstring'''





	if gcd(UpperCAmelCase_      ,							UpperCAmelCase_  ) != 1:
		__snake_case      :							Union[str, Any]						=			F"mod inverse of {a!r} and {m!r} does not exist"
		raise ValueError(UpperCAmelCase_  )
	__snake_case		,    __snake_case		,    __snake_case      :							List[str]						=			1, 0, a
	__snake_case		,    __snake_case		,    __snake_case      :							Dict						=			0, 1, m
	while va != 0:
		__snake_case      :							List[str]						=			ua // va
		__snake_case		,    __snake_case		,    __snake_case		,    __snake_case		,    __snake_case		,    __snake_case      :							List[str]						=			(ua - q * va), (ua - q * va), (ua - q * va), va, va, va
	return ua % m





