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window.py
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window.py
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import tkinter
import cv2
import PIL.Image, PIL.ImageTk
import time
class App:
def __init__(self, window, window_title, image_path="background.jpg"):
self.window = window
self.window.title(window_title)
# Load an image using OpenCV
self.cv_img = cv2.cvtColor(cv2.imread(image_path), cv2.COLOR_BGR2RGB)
# Get the image dimensions (OpenCV stores image data as NumPy ndarray)
self.height, self.width, no_channels = self.cv_img.shape
# Create a canvas that can fit the above image
self.canvas = tkinter.Canvas(window, width = self.width, height = self.height)
self.canvas.pack()
# Use PIL (Pillow) to convert the NumPy ndarray to a PhotoImage
self.photo = PIL.ImageTk.PhotoImage(image = PIL.Image.fromarray(self.cv_img))
# Add a PhotoImage to the Canvas
self.canvas.create_image(0, 0, image=self.photo, anchor=tkinter.NW)
# Button that lets the user blur the image
self.btn_blur=tkinter.Button(window, text="Blur", width=50, command=self.blur_image)
self.btn_blur.pack(anchor=tkinter.CENTER, expand=True)
self.window.mainloop()
# Callback for the "Blur" button
def blur_image(self):
self.cv_img = cv2.blur(self.cv_img, (3, 3))
self.photo = PIL.ImageTk.PhotoImage(image = PIL.Image.fromarray(self.cv_img))
self.canvas.create_image(0, 0, image=self.photo, anchor=tkinter.NW)
def close(self):
self.window.destroy()
# Create a window and pass it to the Application object
A=App(tkinter.Tk(), "Tkinter and OpenCV", "images/B00000000.jpg")
time.sleep(5)
APP.close()