COLLAGE

#Devo ancora scrivere i parametri come da regola del corso!
#Comunque ho usato questa idea :
#Ho diviso il problema , in altri più piccoli (più problemi + piccoli)
#cioè ho risolto prima la copia sfalsata poi i parametri da passargli
#  Uso 2 funzioni 'copia' dentro una funzione 'collage'


def collage(pict,canvas,sparcing):

  for i in range(0,getWidth(pict),sparcing*2):
    A=+i
    B=+i+sparcing
    C=i+sparcing
    D=i+sparcing*2
    copy1(pict,canvas,sparcing,A,B)
    copy2(pict,canvas,sparcing,C,D)
    repaint (canvas)



def copy2(pict,canvas,sparcing,C,D):
  for sourceX in range(C,D):
    targetX=sourceX-sparcing
    for sourceY in range(0,getHeight(pict)):
      targetY=sourceY
      color=getColor(getPixel(pict,sourceX,sourceY))
      setColor(getPixel(canvas,targetX,targetY),color)
    repaint(canvas)



def copy1(pict,canvas,sparcing,A,B):
  for sourceX in range(A,B):
    targetX=sourceX+sparcing
    for sourceY in range(0,getHeight(pict)):
      targetY=sourceY
      color=getColor(getPixel(pict,sourceX,sourceY))
      setColor(getPixel(canvas,targetX,targetY),color)
    repaint(canvas)