copia 2 picture

def copy_2(pict,pict2,canvas,startX,startY):
#@param pict, pict2 : picture
#@param canvas : picture white    ([ canvas >= pict + pict2 ])
#@param startX, startY : integer
  for sourceX1 in range(0,getWidth(pict)):
    targetX1=sourceX1+startX
    for sourceY1 in range(0,getHeight(pict)):
      targetY1=sourceY1+startY
      color=getColor(getPixel(pict,sourceX1,sourceY1))
      setColor(getPixel(canvas,targetX1,targetY1),color)
      repaint(canvas)
#Fine copia prima foto
#E inizio copia della seconda
  for sourceX2 in range(0,getWidth(pict2)):
    targetX2=sourceX2+targetX1
    for sourceY2 in range(0,getHeight(pict2)):
       targetY2=sourceY2
       color2=getColor(getPixel(pict2,sourceX2,sourceY2))
       setColor(getPixel(canvas,targetX2,targetY2),color2)
       repaint(canvas)