from pathlib import Path

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




def       __lowerCAmelCase      (						A_   : np.ndarray						,	A_   : np.ndarray						,	A_   : np.ndarray						,	A_   : int						,	A_   : int					)    ->  np.ndarray:
  __UpperCAmelCase						    =       cva.getAffineTransform(A_						,	A_					)
  return cva.warpAffine(A_						,	A_						,	(rows, cols)					)


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

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

       # add all rotated images in a list
       __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
       __snake_case							=      plt.figure(1)
       __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       __lowerCAmelCase      (						A_   : str					)    ->  bool:
  if not all(x.isalpha() for x in string					):
    raise ValueError("String must only contain alphabetic characters."					)

  __UpperCAmelCase						    =       sorted(string.lower()					)
  return len(A_					) == len(set(A_					)					)


if __name__ == "__main__":
       a_							=      input("""Enter a string """).strip()

       a_							=      is_isogram(input_str)
       print(F"{input_str} is {'an' if isogram else 'not an'} isogram.")



