from cva import destroyAllWindows, imread, imshow, waitKey






def     lowerCamelCase_ (			UpperCamelCase__    :		Tuple,						UpperCamelCase__    :		int       ):







				'''simple docstring'''







				UpperCamelCase__						,      UpperCamelCase__       						=							img.shape[0], img.shape[1]

				def to_grayscale(UpperCamelCase__    :		int,						UpperCamelCase__    :		Any,						UpperCamelCase__    :		List[Any]       ):
								return 0.2126 * red + 0.587 * green + 0.114 * blue

				def normalize(UpperCamelCase__    :		List[Any]       ):
								return min(a__,						255       )

				for i in range(a__       ):
								for j in range(a__       ):
												UpperCamelCase__       						=							int(to_grayscale(*img[i][j]       )       )
												UpperCamelCase__       						=							[
												    normalize(a__       ),
												    normalize(greyscale + factor       ),
												    normalize(greyscale + 2 * factor       ),
												]

				return img


if __name__ == "__main__":
		# read original image
		lowercase 							=							{
		    percentage: imread("""image_data/lena.jpg""", 1) for percentage in (1_0, 2_0, 3_0, 4_0)
		}

		for percentage, img in images.items():
				make_sepia(img, percentage)

		for percentage, img in images.items():
				imshow(f'Original image with sepia (factor: {percentage})', img)

		waitKey(0)
		destroyAllWindows()









'''simple docstring'''
def 				snake_case_  (   a__		:	int			):



    """simple docstring"""




    if not isinstance(a__    ,a__			) or number < 0:
        raise ValueError("""Input must be a non-negative integer"""			)

    __lowercase							=						number & ~(number - 1)
    __lowercase							=						0
    while intermediate:
        intermediate >>= 1
        index += 1
    return index - 1


if __name__ == "__main__":
  import doctest

  doctest.testmod(verbose=True)




