reflections.py

"""
This program takes an image and generates a reflection.
The top half of the generated image is the same as the original.
The bottom half is the mirror reflection of the top half.
"""
from simpleimage import SimpleImage

#change filename for your application
DEFAULT_FILE = 'images/mt-rainier.jpg'

def make_reflected(filename):
    image = SimpleImage(filename)
    width = image.width
    height = image.height

    #create new image to contain mirror reflection
    reflected = SimpleImage.blank(width, height * 2)
    
    for y in range(height):
        for x in range(width):
            pixel = image.get_pixel(x,y)
            reflected.set_pixel(x, y, pixel)
            reflected.set_pixel(x, (height*2)-(y+1) , pixel)
    return reflected

def get_file():
    # Read image file path from user, or use the default file
    filename = input('Enter image file (or press enter for default): ')
    if filename == '':
        filename = DEFAULT_FILE
    return filename

def main():
    # Get file and load image
    filename = get_file()

    # Show the original image
    original = SimpleImage(filename)
    original.show()

    # Show the reflected image
    reflected = make_reflected(filename)
    reflected.show()





if __name__ == '__main__':
    main()