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How to Create the path element quadratic curve in JavaFX?
This is class represents the path element quadratic curve. It helps you to draw a quadratic curve form the current coordinates to the specified (new) coordinates.
To create a line path element −
Instantiate the QuadCurveTo class.
Set values to the properties of this class using setter methods or, bypassing them to the constructor.
Instantiate the Path class.
Get the observable list object of the above-created Path using the getElements() method.
Add the above created QuadCurveTo object to the observable list using the add() method.
Finally, add the path to the Group object.
Example
import javafx.application.Application;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.paint.Color;
import javafx.stage.Stage;
import javafx.scene.shape.LineTo;
import javafx.scene.shape.MoveTo;
import javafx.scene.shape.Path;
import javafx.scene.shape.QuadCurveTo;
import javafx.scene.shape.VLineTo;
public class QuadraticCurveToExample extends Application {
public void start(Stage stage) {
//Creating PathElement objects
MoveTo moveTo = new MoveTo(15, 15);
LineTo line1 = new LineTo(100, 150);
//Instantiating the class QuadCurve
QuadCurveTo quadCurveTo = new QuadCurveTo();
//Setting properties of the class QuadCurve
quadCurveTo.setX(500.0f);
quadCurveTo.setY(220.0f);
quadCurveTo.setControlX(250.0f);
quadCurveTo.setControlY(0.0f);
//Creating the HLineTo object
VLineTo vLine = new VLineTo();
vLine.setY(80);
//Creating a Path
Path path = new Path();
path.getElements().addAll(moveTo, line1, quadCurveTo, vLine);
//Setting other properties
path.setStrokeWidth(8.0);
path.setStroke(Color.DARKSLATEGREY);
//Preparing the Stage object
Group root = new Group(path);
Scene scene = new Scene(root, 595, 300, Color.BEIGE);
stage.setTitle("JavaFX Example");
stage.setScene(scene);
stage.show();
}
public static void main(String args[]){
launch(args);
}
}Output
Updated on: 13-Apr-2020
105 Views
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