



from pathlib import Path

import cva
import numpy as np
from matplotlib import pyplot as plt







def snake_case__  (			__SCREAMING_SNAKE_CASE			,     __SCREAMING_SNAKE_CASE			,     __SCREAMING_SNAKE_CASE			,     __SCREAMING_SNAKE_CASE			,     __SCREAMING_SNAKE_CASE )		->							np.ndarray:
		UpperCAmelCase_						=				cva.getAffineTransform(__SCREAMING_SNAKE_CASE			,     __SCREAMING_SNAKE_CASE )
		return cva.warpAffine(__SCREAMING_SNAKE_CASE			,     __SCREAMING_SNAKE_CASE			,     (rows, cols) )


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

			# set different points to rotate image
			SCREAMING_SNAKE_CASE     				=						np.array([[50, 50], [200, 50], [50, 200]], np.floataa)
			SCREAMING_SNAKE_CASE     				=						np.array([[10, 100], [200, 50], [100, 250]], np.floataa)
			SCREAMING_SNAKE_CASE     				=						np.array([[50, 50], [150, 50], [120, 200]], np.floataa)
			SCREAMING_SNAKE_CASE     				=						np.array([[10, 100], [80, 50], [180, 250]], np.floataa)

			# add all rotated images in a list
			SCREAMING_SNAKE_CASE     				=						[
			    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
			SCREAMING_SNAKE_CASE     				=						plt.figure(1)
			SCREAMING_SNAKE_CASE     				=						["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=0.05, right=1.0, top=0.95)
			plt.show()






def snake_case__  (			__SCREAMING_SNAKE_CASE			,     __SCREAMING_SNAKE_CASE )		->							Union[str, Any]:
		UpperCAmelCase_						=				0
		while b > 0:
				if b & 1:
						res += a

				a += a
				b >>= 1

		return res







def snake_case__  (			__SCREAMING_SNAKE_CASE			,     __SCREAMING_SNAKE_CASE			,     __SCREAMING_SNAKE_CASE )		->							Tuple:
		UpperCAmelCase_						=				0
		while b > 0:
				if b & 1:
						UpperCAmelCase_						=				((res % c) + (a % c)) % c

				a += a
				b >>= 1

		return res

