JavaFX 8 Tutorial 55 - Centering Image Using StackPane

package tutorial.pkg55.centering.image;



import javafx.application.Application;

import javafx.scene.Scene;

import javafx.scene.image.Image;

import javafx.scene.image.ImageView;

import javafx.scene.layout.StackPane;

import javafx.scene.paint.Color;

import javafx.scene.shape.Ellipse;

import javafx.stage.Stage;



/**

 *

 * @author Ram

 */

public class Tutorial55CenteringImage extends Application {

   

    @Override

    public void start(Stage primaryStage) {

        primaryStage.setTitle("JavaFX 8 Tutorial 55 - Centering Image Using StackPane");

       

        StackPane root = new StackPane();

        Scene scene = new Scene(root, 400, 200);

       

        Image img = new Image("file:Javafx.jpg", 100, 150, true, true);

        ImageView iv = new ImageView(img);

       

        Ellipse ellipse = new Ellipse();

        ellipse.setFill(Color.MEDIUMSLATEBLUE);

       

        ellipse.radiusXProperty().bind(scene.widthProperty().divide(2));

        ellipse.radiusYProperty().bind(scene.heightProperty().divide(2));

       

        root.getChildren().addAll(ellipse, iv);

       

        primaryStage.setScene(scene);

        primaryStage.show();

    }



    /**

     * @param args the command line arguments

     */

    public static void main(String[] args) {

        launch(args);

    }

   

}