Java tutorial
import java.awt.BasicStroke; import java.awt.Color; import java.awt.Font; import java.awt.Graphics; import java.awt.Graphics2D; import javax.swing.JComponent; import javax.swing.JFrame; import javax.swing.SwingUtilities; /* * SimpleAttributes.java * * Created on May 1, 2007, 3:59 PM * * Copyright (c) 2007, Sun Microsystems, Inc * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials provided * with the distribution. * * Neither the name of the TimingFramework project nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** * * @author Chet */ public class SimpleAttributes extends JComponent { public void paintComponent(Graphics g) { Graphics2D g2d = (Graphics2D) g.create(); g2d.setBackground(Color.GRAY); g2d.clearRect(0, 0, getWidth(), getHeight()); // String and line with default attributes g2d.drawString("Default Font", 10, 20); g2d.drawLine(10, 22, 80, 22); // Change the font, foreground color, and Stroke g2d.setFont(g.getFont().deriveFont(Font.BOLD | Font.ITALIC, 24f)); g2d.setColor(Color.WHITE); g2d.setStroke(new BasicStroke(10f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_MITER)); // String and line with new attributes g2d.drawString("New Font", 10, 50); g2d.drawLine(10, 57, 120, 57); g2d.dispose(); } private static void createAndShowGUI() { JFrame f = new JFrame(); f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); f.setSize(150, 100); JComponent test = new SimpleAttributes(); f.add(test); f.setVisible(true); } public static void main(String args[]) { Runnable doCreateAndShowGUI = new Runnable() { public void run() { createAndShowGUI(); } }; SwingUtilities.invokeLater(doCreateAndShowGUI); } }