Test.java Source code

Introduction

Here is the source code for Test.java

Source

import java.awt.Color;
import java.awt.GraphicsDevice;
import java.awt.GraphicsDevice.WindowTranslucency;
import java.awt.GraphicsEnvironment;
import java.awt.Polygon;
import java.awt.event.ComponentAdapter;
import java.awt.event.ComponentEvent;

import javax.swing.JButton;
import javax.swing.JFrame;

public class Test {

    public static void main(String[] args) {
        GraphicsEnvironment envmt = GraphicsEnvironment.getLocalGraphicsEnvironment();
        GraphicsDevice device = envmt.getDefaultScreenDevice();

        if (!device.isWindowTranslucencySupported(WindowTranslucency.PERPIXEL_TRANSLUCENT)) {
            System.out.println("Shaped windows are not supported on" + "your system.");
            System.exit(0);
        }

        ApplicationWindow window = new ApplicationWindow();
        window.setVisible(true);
    }
}

class ApplicationWindow extends JFrame {
    public ApplicationWindow() {
        this.setSize(300, 300);
        this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        this.add(new JButton("asdf"));
        final Polygon myShape = getPolygon();
        this.addComponentListener(new ComponentAdapter() {
            @Override
            public void componentResized(ComponentEvent e) {
                setShape(myShape);
                ((JFrame) e.getSource()).setForeground(Color.red);
                ((JFrame) e.getSource()).setBackground(Color.red);
            }
        });

        this.setUndecorated(true);
    }

    private Polygon getPolygon() {
        int x1Points[] = { 0, 20, 100, 200, 330, 300, 200, 100 };
        int y1Points[] = { 100, 200, 310, 300, 200, 100, 10, 0 };
        Polygon polygon = new Polygon();
        for (int i = 0; i < y1Points.length; i++) {
            polygon.addPoint(x1Points[i], y1Points[i]);
        }
        return polygon;
    }
}