G11-2024

import cv2 as cv

import numpy as np

import tkinter as tk

from tkinter import filedialog, messagebox

import os

from PIL import Image, ImageTk

class ImageIO:

    def __init__(self, shared_data):

        self.shared_data = shared_data

    def load_image(self, path):

        return cv.imread(path, cv.IMREAD_COLOR)

    def write_image(self, img, fileName="image.png"):

        if cv.imwrite(fileName, img):

            print(f"File {fileName} Written Successfully")

        else:

            print("File writing failed")

    def show_image(self, img, title="Image Title", canvas=None):

        img_rgb = cv.cvtColor(img, cv.COLOR_BGR2RGB)

        img_pil = Image.fromarray(img_rgb)

        # Create a full-screen window

        window = tk.Toplevel()

        window.attributes("-fullscreen", True)

        window.bind("<Escape>", lambda e: window.destroy())  # Bind Esc key to exit full screen

        # Get screen dimensions

        screen_width = window.winfo_screenwidth()

        screen_height = window.winfo_screenheight()

        # Adjust the image to fit the screen

        img_resized = img_pil.resize((screen_width, screen_height), Image.LANCZOS)  # Use LANCZOS for high-quality resizing

        img_tk_resized = ImageTk.PhotoImage(img_resized)

        # Create a canvas and pack it to fill the window

        canvas = tk.Canvas(window, width=screen_width, height=screen_height)

        canvas.pack(fill=tk.BOTH, expand=True)

        # Align image to the center of the canvas

        canvas.create_image(screen_width // 2, screen_height // 2, anchor=tk.CENTER, image=img_tk_resized)

        canvas.image = img_tk_resized  # Prevent image from being garbage collected

        window.title(title)

        window.mainloop()