FillTest.java Source code

Introduction

Here is the source code for FillTest.java

Source

/*
   This program is a part of the companion code for Core Java 8th ed.
   (http://horstmann.com/corejava)
    
   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.
    
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
    
   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

import java.awt.Color;
import java.awt.EventQueue;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.geom.Ellipse2D;
import java.awt.geom.Rectangle2D;

import javax.swing.JComponent;
import javax.swing.JFrame;

/**
 * @version 1.33 2007-04-14
 * @author Cay Horstmann
 */
public class FillTest {
    public static void main(String[] args) {
        EventQueue.invokeLater(new Runnable() {
            public void run() {
                FillFrame frame = new FillFrame();
                frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
                frame.setVisible(true);
            }
        });
    }
}

/**
 * A frame that contains a component with drawings
 */
class FillFrame extends JFrame {
    public FillFrame() {
        setTitle("FillTest");
        setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT);

        // add component to frame

        FillComponent component = new FillComponent();
        add(component);
    }

    public static final int DEFAULT_WIDTH = 400;
    public static final int DEFAULT_HEIGHT = 400;
}

/**
 * A component that displays filled rectangles and ellipses
 */
class FillComponent extends JComponent {
    public void paintComponent(Graphics g) {
        Graphics2D g2 = (Graphics2D) g;

        // draw a rectangle

        double leftX = 100;
        double topY = 100;
        double width = 200;
        double height = 150;

        Rectangle2D rect = new Rectangle2D.Double(leftX, topY, width, height);
        g2.setPaint(Color.RED);
        g2.fill(rect);

        // draw the enclosed ellipse

        Ellipse2D ellipse = new Ellipse2D.Double();
        ellipse.setFrame(rect);
        g2.setPaint(new Color(0, 128, 128)); // a dull blue-green
        g2.fill(ellipse);
    }
}