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How to add a blur effect to a text node in JavaFX?
You can add an effect to any node object in JavaFX using the setEffect() method. This method accepts an object of the Effect class and adds it to the current node.
javafx.scene.effect.GaussianBlur.GaussianBlur class represents a blur effect that internally uses Gaussian convolution kernel. Therefore, to add a blur effect to a text node −
Instantiate the Text class bypassing basic the x,y coordinates (position) and text string as arguments to the constructor.
Set desired properties like font, stoke, etc.
Create a blur effect by instantiating the GaussianBlur class.
Set the created effect to the text node using the setEffect() method.
Finally, add the created text node to the Group object.
Example
import java.io.FileNotFoundException;
import javafx.application.Application;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.effect.GaussianBlur;
import javafx.scene.paint.Color;
import javafx.stage.Stage;
import javafx.scene.text.Font;
import javafx.scene.text.FontPosture;
import javafx.scene.text.FontWeight;
import javafx.scene.text.Text;
public class TextBlurEffect extends Application {
public void start(Stage stage) throws FileNotFoundException {
//Creating a text object
String str = "Welcome to Tutorialspoint";
Text text = new Text(30.0, 80.0, str);
//Setting the font
Font font = Font.font("Brush Script MT", FontWeight.BOLD,
FontPosture.REGULAR, 65);
text.setFont(font);
//Setting the color of the text
text.setFill(Color.BROWN);
//Setting the width and color of the stroke
text.setStrokeWidth(2);
text.setStroke(Color.BLUE);
//Setting the blur effect to the text
GaussianBlur blur = new GaussianBlur();
text.setEffect(blur);
//Setting the stage
Group root = new Group(text);
Scene scene = new Scene(root, 595, 150, Color.BEIGE);
stage.setTitle("Blur Effect");
stage.setScene(scene);
stage.show();
}
public static void main(String args[]){
launch(args);
}
}Output
Updated on: 13-Apr-2020
349 Views
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