/* * Copyright (c) 2000 David Flanagan.  All rights reserved. * This code is from the book Java Examples in a Nutshell, 2nd Edition. * It is provided AS-IS, WITHOUT ANY WARRANTY either expressed or implied. * You may study, use, and modify it for any non-commercial purpose. * You may distribute it non-commercially as long as you retain this notice. * For a commercial use license, or to purchase the book (recommended), * visit http://www.davidflanagan.com/javaexamples2. */package com.davidflanagan.examples.graphics;import java.awt.*;import java.awt.geom.*;import java.awt.image.*;/** A demonstration of anti-aliasing */public class AntiAlias implements GraphicsExample {    static final int WIDTH = 650, HEIGHT = 350;        // Size of our example    public String getName() {return "AntiAliasing";}   // From GraphicsExample    public int getWidth() { return WIDTH; }            // From GraphicsExample    public int getHeight() { return HEIGHT; }          // From GraphicsExample    /** Draw the example */    public void draw(Graphics2D g, Component c) {	BufferedImage image =                   // Create an off-screen image	    new BufferedImage(65, 35, BufferedImage.TYPE_INT_RGB);	Graphics2D ig = image.createGraphics(); // Get its Graphics for drawing	// Set the background to a gradient fill.  The varying color of	// the background helps to demonstrate the anti-aliasing effect	ig.setPaint(new GradientPaint(0,0,Color.black,65,35,Color.white));	ig.fillRect(0, 0, 65, 35);	// Set drawing attributes for the foreground.	// Most importantly, turn on anti-aliasing.	ig.setStroke(new BasicStroke(2.0f));                   // 2-pixel lines	ig.setFont(new Font("Serif", Font.BOLD, 18));          // 18-point font	ig.setRenderingHint(RenderingHints.KEY_ANTIALIASING,   // Anti-alias!			    RenderingHints.VALUE_ANTIALIAS_ON);	// Now draw pure blue text and a pure red oval	ig.setColor(Color.blue);	ig.drawString("Java", 9, 22);	ig.setColor(Color.red);	ig.drawOval(1, 1, 62, 32);		// Finally, scale the image by a factor of 10 and display it	// in the window.  This will allow us to see the anti-aliased pixels	g.drawImage(image, AffineTransform.getScaleInstance(10, 10), c);	// Draw the image one more time at its original size, for comparison	g.drawImage(image, 0, 0, c);    }}