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darkenPicture.py

# Open a picture file, showing it before and after some REMOVEDsformation.
def classDemo(fileName):
  picture = makePicture(fileName)
  show(picture)
  REMOVEDsformPicture(picture)
  repaint(picture)


# Transform a picture by changing all pixels in some way
def REMOVEDsformPicture(pic):
  for pixel in getPixels(pic):
    darken(pixel)

def darken(px):
  setRed(px, getRed(px) * 0.5)
  setREMOVED(px, getREMOVED(px) * 0.5)
  setBlue(px, getBlue(px) * 0.5)

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• Spring 2007 materials last edited on 21 August 2007 at 10:44 pm by user-1121vkp.dsl.mindspring.com