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PyQt5 QLabel – Adding blur effect
  • Last Updated : 10 May, 2020

In this article we will see how we can add blur effect to the label, blur means smoothing of the label, by default there is no blur effect to the label although we can add blur effect any time. Below is the representation of label with blur effect.

In order to do this we have to do the following –

1. Create a label
2. Create QGraphicsBlurEffect object
3. Add this object to the label with the help of setGraphicsEffect method

Syntax :



# creating a blur effect
self.blur_effect = QGraphicsBlurEffect()

# adding blur effect to the label
label.setGraphicsEffect(self.blur_effect)

Below is the implementation




# importing libraries
from PyQt5.QtWidgets import * 
from PyQt5 import QtCore, QtGui
from PyQt5.QtGui import * 
from PyQt5.QtCore import * 
import sys
  
  
class Window(QMainWindow):
  
    def __init__(self):
        super().__init__()
  
        # setting title
        self.setWindowTitle("Python ")
  
        # setting geometry
        self.setGeometry(100, 100, 600, 400)
  
        # calling method
        self.UiComponents()
  
        # showing all the widgets
        self.show()
  
    # method for widgets
    def UiComponents(self):
  
        # creating label
        label = QLabel("Label", self)
  
        # setting geometry to the label
        label.setGeometry(200, 100, 150, 60)
  
        # setting alignment to the label
        label.setAlignment(Qt.AlignCenter)
  
        # setting font
        label.setFont(QFont('Arial', 15))
  
        # creating a blur effect
        self.blur_effect = QGraphicsBlurEffect()
  
        # adding blur effect to the label
        label.setGraphicsEffect(self.blur_effect)
  
  
# create pyqt5 app
App = QApplication(sys.argv)
  
# create the instance of our Window
window = Window()
  
# start the app
sys.exit(App.exec())

Output :

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