JavaFX | ColorInput Class

// Java program to Demonstrate ColorInput class
import javafx.application.Application;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.effect.ColorInput;
import javafx.scene.paint.Color;
import javafx.scene.shape.Rectangle;
import javafx.stage.Stage;

public class ColorInputDemo extends Application {

    // Main Method 
    public static void main(String[] args)
    {

        // launch the application
        launch(args);
    }

    // launch the application
    public void start(Stage primaryStage) throws Exception
    {

        // Instantiating the ColorInput class
        ColorInput color = new ColorInput();

        // set the color
        color.setPaint(Color.GREEN);

        // sets the height of the region of color input
        color.setHeight(50);

        // sets the width of the region of color input
        color.setWidth(200);

        // set the coordinates of the Colorinput
        color.setX(90);
        color.setY(140);

        // create a rectangle
        Rectangle rect = new Rectangle();

        // applying coloradjust effect
        rect.setEffect(color);

        // create a group object
        Group root = new Group();

        // create a scene object
        Scene scene = new Scene(root, 400, 300);

        root.getChildren().add(rect);

        // adding scene to the stage
        primaryStage.setScene(scene);

        // set title of the stage
        primaryStage.setTitle("ColorInput Demo");

        primaryStage.show();
    }
}

// Java program to apply ColorInput class to 
// the created rectangle by clicking on the 
// button using EventHandler
import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.effect.ColorInput;
import javafx.scene.paint.Color;
import javafx.scene.shape.Rectangle;
import javafx.stage.Stage;

public class ColorInputExample extends Application {

    public void start(Stage stage)
    {

        double x = 10;
        double y = 10;
        double w = 40;
        double h = 180;

        // Rectangle
        Rectangle rect = new Rectangle(x, y, w, h);
        rect.setFill(Color.WHITE);
        rect.setStrokeWidth(1);
        rect.setStroke(Color.BLACK);

        // Button
        Button button = new Button("Click To See the Effects!");

        // set button layout coordinates
        button.setLayoutX(100);
        button.setLayoutY(30);

        button.setPrefSize(250, 150);

        button.setOnAction(new EventHandler<ActionEvent>() {

            public void handle(ActionEvent event)
            {
                // instantiating the colorinput class
                ColorInput colorInput = new ColorInput(x, y, 
                                     w, h, Color.STEELBLUE);

                // Setting ColorInput effect
                button.setEffect(colorInput);
            }
        });

        // create the Group object
        Group root = new Group();

        root.getChildren().addAll(button, rect);

        Scene scene = new Scene(root, 450, 300);
        stage.setTitle("JavaFX ColorInput Effect");
        stage.setScene(scene);

        stage.show();
    }

    // Main Method
    public static void main(String args[])
    {

        // Launch the application
        launch(args);
    }
}