def imgreverse():
    global image
    image=Filtre(image).reverse()
    canvas_set(image)
def imgbrightnessplus():
    global image
    image=Filtre(image).brightness(50)
    canvas_set(image)
def imgbrightnessmoins():
    global image
    image=Filtre(image).brightness(-50)
    canvas_set(image)
def imgbin():
    global image
    image=Filtre(image).binary(x1,y1,x2,y2)
    canvas_set(image)
def imggraylevel():
    global image
    image=Filtre(image).graylevel()
    canvas_set(image)
def blueplus():
    global image
    image=Filtre(image).blue_plus(+10)
    canvas_set(image)
def bluemoins():
    global image
    image=Filtre(image).blue_plus(-10)
    canvas_set(image)
def greenplus():
    global image
    image=Filtre(image).green_plus(+10)
    canvas_set(image)
def greenmoins():
    global image
    image=Filtre(image).green_plus(-10)
    canvas_set(image)
def redplus():
    global image
    image=Filtre(image).red_plus(+10)
    canvas_set(image)
def redmoins():
    global image
    image=Filtre(image).red_plus(-10)
    canvas_set(image)
def cut_blue():
    global image
    image=Filtre(image).cut_color("blue")
    canvas_set(image)
def cut_green():
    global image
    image=Filtre(image).cut_color("green")
    canvas_set(image)
def cut_red():
    global image
    image=Filtre(image).cut_color("red")
    canvas_set(image)
def rotation():
    global image
    image=Filtre(image).rotation()
    canvas_set(image)
def mirror():
    global image
    image=Filtre(image).mirror()
    canvas_set(image)