[파이썬] tkinter 스크린 캡처 기능 추가

06 Sep 2023

tkinter

screenshot

Do you want to add a screen capture functionality to your tkinter application using Python? In this blog post, I will guide you through the process of adding a screen capture feature to your tkinter application.

Requirements

Before we proceed, make sure you have the following requirements installed:

Python (version 3.6 or higher)
tkinter library

Step 1: Import the Required Libraries

Start by importing the necessary libraries in your Python script:

from tkinter import Tk, Label, Button
from PIL import ImageGrab

Here, we import the Tk class from the tkinter library and the ImageGrab module from the PIL (Python Imaging Library).

Step 2: Create the GUI

Next, let’s create a basic GUI for our application using the tkinter library:

class ScreenCaptureApp:
    def __init__(self, root):
        self.root = root
        self.root.geometry("300x100")
        self.root.title("Screen Capture App")
        
        self.label = Label(root, text="Click the button to capture the screen.")
        self.label.pack()
        
        self.button = Button(root, text="Capture", command=self.capture_screen)
        self.button.pack()
    
    def capture_screen(self):
        image = ImageGrab.grab()
        image.save("screenshot.png")
        
        self.label.config(text="Screen captured successfully.")

In the above code, we define a class called ScreenCaptureApp that represents our tkinter application. Inside the class constructor, we define the Label and Button widgets and their respective functions.

The capture_screen function uses the ImageGrab.grab() method to capture the screen and save it as a PNG image using the save() method.

Step 3: Run the Application

To run the application, we need to create an instance of the ScreenCaptureApp class:

if __name__ == "__main__":
    root = Tk()
    app = ScreenCaptureApp(root)
    root.mainloop()

The above code checks if the script is being run as the main module and then creates an instance of the ScreenCaptureApp class. Finally, we call the mainloop() method to start the event loop.

Conclusion

With the above steps, you have successfully added a screen capture feature to your tkinter application using Python. Users can now click the “Capture” button to capture the screen and save it as a PNG image.

Feel free to customize the GUI and add more features to enhance the functionality of your application. Happy coding!