#
#  Convert an image from color to grayscale, displaying both the original
#  image and the grayscale version.
#
from SimpleGraphics import *

# Load the image and draw it
orig = loadImage("Flowers.gif")
drawImage(orig, 0, 0)

# Create a new blank result image
result = createImage(getWidth(orig), getHeight(orig))

# For every pixel in the image
for y in range(0, getHeight(orig)):
  for x in range(0, getWidth(orig)):
    # Compute the gray value
    r, g, b = getPixel(orig, x, y)

    average = (r + g + b) / 3

    # Store the gray value
    putPixel(result, x, y, average, average, average)

# Draw the result image
drawImage(result, getWidth(orig), 0)