Project 2

def collage():
  picture1 = makePicture(getMediaPath("BigButterflyEdited.jpg"))
  picture2 = makePicture(getMediaPath("BigButterflyEdited.jpg"))
  picture3 = makePicture(getMediaPath("BigButterflyEdited.jpg"))
  picture4 = makePicture(getMediaPath("BigButterflyEdited.jpg"))
  picture5 = makePicture(getMediaPath("BigButterflyEdited.jpg"))
  canvas = makeEmptyPicture(700, 515, white)
  
  #Original, unedited picture
  copy(picture1, canvas, 0,0)
  
  #Second, grey-scaled picture
  greyScale(picture2)
  copy(picture2, canvas, 233, 0)

  #Third, color-averaged picture
  colorAvg(picture3)
  copy(picture3, canvas, 233*2, 0)
  
  #Fourth, color swap picture
  colorSwap(picture4)
  copy(picture4, canvas, 0, 211)
  
  #Fifth, lightened picture
  lighten(picture5)
  copy(picture5, canvas, 233, 211)
  
  #Shows the end canvas with all five pictures
  show(canvas)

def copy(picture, destination, targetX, targetY):
  targetX = 0
  for sourceX in range(0, getWidth(picture)):
    targetY = 0
    for sourceY in range(0, getHeight(picture)):
      color = getColor(getPixel(picture, sourceX, sourceY))
      setColor(getPixel(destination, targetX, targetY), color)
      targetY = targetY + 1
    targetX = targetX + 1
    
def greyScale(picture):
  for p in getPixels(picture):
    intensity = (getRed(p)+getGreen(p)+getBlue(p))/3
    setColor(p,makeColor(intensity,intensity,intensity))
  #repaint(picture)
  
def colorAvg(picture):
  for p in getPixels(picture):
    averageRed = ((getRed(p) + 190) / 3)
    averageBlue = ((getBlue(p) + 85) / 4)
    averageGreen = ((getGreen(p) + 111) /5)
    setColor(p,makeColor(averageRed,averageBlue,averageGreen))
  #repaint(picture)
  
def colorSwap(picture):
  for p in getPixels(picture):
    oldRed = (getRed(p))
    oldBlue = (getBlue(p))
    oldGreen = (getGreen(p))
    newRed = oldBlue
    newBlue = oldGreen
    newGreen = oldRed
    setColor(p,makeColor(newRed,newBlue,newGreen))
  #repaint(picture)
  
def lighten(picture):
  for x in range (0,4):
    for px in getPixels(picture):
      color = getColor(px).makeLighter()
      px.setColor(color)