mixer

def mixer(p1,p2,k):
#@param p1: picture
#@param p2:picture
#@param k:int
 canvas= makeEmptyPicture(getHeight(p1),getWidth(p2),white)
 c=copy(p1,p2,canvas)
 for cont in range(0,k):
   for sourcex in range (0,getWidth(p2)):
    targetx=sourcex
    for sourcey in range (0,getHeight(p2)):
     targety=sourcey
     px1=getPixel(p1,targetx,targety)
     px2=getPixel(p2,targetx,targety)
     pc=getPixel(c,targetx,targety)
     setRed=(pc,(getRed(pc)+((getRed(px1)-getRed(px2))/k)))
     setGreen=(pc,(getGreen(pc)+((getGreen(px1)-getGreen(px2))/k)))
     setBlue=(pc,(getBlue(pc)+((getBlue(px1)-getBlue(px2))/k)))
   repaint(c)


def copy(p1,p2,canvas):
#paramp1:picture
#paramp2:picture
#param canvas :picture
#return: pict
 for sourcex in range (0,getWidth(p2)):
  targetx=sourcex
  for sourcey in  range (0, getHeight(p2)):
   targety=sourcey
   color=getColor(getPixel(p2,sourcex,sourcey))
   setColor(getPixel(canvas,targetx,targety),color)
 return canvas