# Créé par alexanor, le 06/04/2016 en Python 3.2
from PIL import Image, ImageTk
import  tkinter as Tk

def nb(k):
  global image2,photo2,c
  for i in range(largeur):
      for j in range(hauteur):
        p=imagesource.getpixel((i,j))
        imagebut.putpixel((i,j),abs(p-int(k)))
  imagebut.save ( "abeille.jpg","JPEG" )
  image2=Image.open("abeille.jpg")
  photo2 = ImageTk.PhotoImage(image2)
  canvas2.delete(c)
  c=canvas2.create_image(0,0, anchor = Tk.NW, image=photo2)

root = Tk.Tk()
image1=Image.open("abeille.bmp")
imagesource=image1.convert("L")
largeur,hauteur=imagesource.size
imagebut=Image.new( "L" ,( largeur , hauteur ) )
image2=Image.open("abeille.jpg")
photo1 = ImageTk.PhotoImage(image1)
photo2 = ImageTk.PhotoImage(image2)
#photo2 = ImageTk.PhotoImage(imagebut)
echelle=Tk.Scale(root, orient='horizontal', from_=0, to=255,
      resolution=10, tickinterval=2, length=350,
      label='noir et blanc',command=nb)
echelle.pack()
canvas1 = Tk.Canvas(root, width = image1.size[0], height = image1.size[1])
canvas1.create_image(0,0, anchor = Tk.NW, image=photo1)
canvas1.pack()
canvas2 = Tk.Canvas(root, width = imagebut.size[0], height = imagebut.size[1])
c=canvas2.create_image(0,0, anchor = Tk.NW, image=photo2)
canvas2.pack()
#nb(200)
root.mainloop()