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Flipping and rotating images

def mirrorLR(pic):
  for x in range(1, getWidth(pic)):
    for y in range(1, getHeight(pic)):
      fromPixel = getPixel(pic, x, y)
      toPixel = getPixel(pic, getWidth(pic)+1-x, y)
      setColor(toPixel, getColor(fromPixel)) 

def flipLR(pic):
  for x in range(1, getWidth(pic)/2):
    for y in range(1, getHeight(pic)):
      leftPixel = getPixel(pic, x, y)
      leftColor = getColor(leftPixel)
      rightPixel = getPixel(pic, getWidth(pic)+1-x, y)
      rightColor = getColor(rightPixel)
      setColor(leftPixel, rightColor) 
      setColor(rightPixel, leftColor)

def upsideDown(pic):
  for x in range(1, getWidth(pic)):
    for y in range(1, getHeight(pic)/2):
      topPixel = getPixel(pic, x, y)
      topColor = getColor(topPixel)
      bottomPixel = getPixel(pic, x, getHeight(pic)+1-y)
      bottomColor = getColor(bottomPixel)
      setColor(topPixel, bottomColor) 
      setColor(bottomPixel, topColor)

def rot180(pic):
  show(pic)
  flipLR(pic)
  upsideDown(pic)
  repaint(pic)

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• Slides and Code- Spring 2008 last edited on 23 April 2008 at 11:00 am by lawn-128-61-23-153.lawn.gatech.edu