Blur Types (Simple, Box, Gaussian) in PIL using Tkinter

from tkinter import *

from PIL import ImageTk, ImageFilter, Image

win = Tk()

win.title("Blur Image")

win.geometry("600x600")

D = IntVar()

def Blur(type):

  d = D.get()     # Convert Tkinter variable to object

  oriImage = Image.open('..\\Images\\Boy.png')

  if type == "Simple":

    blurImage = oriImage.filter(ImageFilter.BLUR)

  elif type == "Box":

    blurImage = oriImage.filter(ImageFilter.BoxBlur(d))

  elif type == "Gaussian":

    blurImage = oriImage.filter(ImageFilter.GaussianBlur(d))

  blurImage.save('..\\Images\\BoyBlur.png')

  pic1 = PhotoImage(file="..\\Images\\BoyBlur.png")

  lbl.config(image=pic1)

  lbl.image = pic1

scl1 = Scale(win, variable=D, from_=0, to=20, orient=HORIZONTAL)

scl1.place(x=30, y=10)

btnSimpleBlur   = Button(win, text="Simple Blur",   command=lambda:Blur("Simple"))

btnSimpleBlur.place(x=50, y=500)

btnBoxBlur      = Button(win, text="Box Blur",      command=lambda:Blur("Box"))

btnBoxBlur.place(x=150, y=500)

btnGaussianBlur = Button(win, text="Gaussian Blur", command=lambda:Blur("Gaussian"))

btnGaussianBlur.place(x=250, y=500)

openImage = Image.open("..\\Images\\Boy.png")

img = ImageTk.PhotoImage(openImage)

lbl = Label(win, image=img)

lbl.place(x=30, y=60)

win.mainloop()