mixer

def mixer(p1, p2) :
# @param p1: Picture
# @param p2: Picture;
  canvas = makeEmptyPicture(getWidth(p1),getHeight(p1))
  for b in range(0, 101, 5):
    blendPictures(p1, p2, b, canvas)
    repaint(canvas)

def blendPictures(pict1,pict2,blendFactor,canvas) :
# @param pict1: Picture
# @param pict2: Picture
# @param blendFactor: int
# @param canvas: Picture

  for x in range(0, getWidth(pict1)) :
    for y in range(0,getHeight(pict1)):
      pix1 = getPixel(pict1, x, y)
      pix2 = getPixel(pict2, x, y)
      pixCanvas = getPixel(canvas,x,y)
      newRed = (blendFactor/100.0)*getRed(pix1)+(1-(blendFactor/100.0))*getRed(pix2)
      newGreen = (blendFactor/100.0)*getGreen(pix1)+(1-(blendFactor/100.0))*getGreen(pix2)
      newBlue = (blendFactor/100.0)*getBlue(pix1)+(1-(blendFactor/100.0))*getBlue(pix2)

      color = makeColor(newRed,newGreen,newBlue)
      setColor(pixCanvas,color)