def duplicateHorz2():
  #Allow the user to pick up an image file
  file = pickAFile()
  #now convert the image in JES format
  pic = makePicture(file)

  orig_width = getWidth (pic)
  orig_height = getHeight (pic)

  new_pict = makeEmptyPicture (orig_width*2, orig_height)

  for opix in getPixels (pic):

      x = getX( opix )
      y = getY (opix )

      npix1 = getPixel (new_pict, x, y)
      npix2 = getPixel (new_pict, x+orig_width, y)

      c = getColor (opix)
      setColor(npix1, c)
      setColor(npix2, c)

  openPictureTool(new_pict)

# rotates the image 90 degrees counter clockwise
def rot90ccw(pict):
  # Set up the source and target pictures
  wid = getWidth (pict)
  hgt = getHeight (pict)
  canvas = makeEmptyPicture(hgt, wid)
  # Now, do the actual copying--swap X & Y!
  targetX = 1
  for sourceX in range(1,getWidth(pict)):
    targetY = 1
    for sourceY in range(1,getHeight(pict)):
      color = getColor(getPixel(pict,sourceX,sourceY))
      setColor(getPixel(canvas, targetY, wid - targetX), color)
      targetY = targetY + 1
    targetX = targetX + 1

  return canvas

def rotateDriver():
  # Set up the source and target pictures
  file = pickAFile()
  pict = makePicture(file)
  show(pict)

  canvas = rot90ccw (canvas)
  show(canvas)

  canvas2 = rot90ccw (canvas)
  show(canvas2)

  canvas3 = rot90ccw (canvas2)
  show(canvas3)

  canvas4 = rot90ccw (canvas3)
  show(canvas4)

def rotateDriver2(times, showIntermediate):
  # Set up the source and target pictures
  file = pickAFile()
  pict = makePicture(file)
  show(pict)

  newPict = pict
  for count in range ( 0, times ):
    newPict = rot90ccw (newPict)
    if (showIntermediate == 1):
      show(newPict)

  show (newPict)