1 /* 2 * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 import java.awt.*; 25 import java.awt.geom.Ellipse2D; 26 import java.awt.image.BufferedImage; 27 import java.io.File; 28 import javax.imageio.ImageIO; 29 30 31 public class ScaleTest { 32 public static void main(String[] args) throws Exception { 33 BufferedImage image = new BufferedImage(200, 200, BufferedImage.TYPE_INT_RGB); 34 Graphics2D g = image.createGraphics(); 35 36 g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); 37 g.setPaint(Color.WHITE); 38 g.fill(new Rectangle(image.getWidth(), image.getHeight())); 39 g.scale(.9, .9); 40 g.setPaint(Color.BLACK); 41 g.setStroke(new BasicStroke(0.5f)); 42 g.draw(new Ellipse2D.Double(25, 25, 150, 150)); 43 44 // To visually check it 45 //ImageIO.write(image, "PNG", new File(args[0])); 46 47 boolean nonWhitePixelFound = false; 48 for (int x = 100; x < 200; ++x) { 49 if (image.getRGB(x, 90) != Color.WHITE.getRGB()) { 50 nonWhitePixelFound = true; 51 break; 52 } 53 } 54 if (!nonWhitePixelFound) { 55 throw new RuntimeException("A circle is rendered like a 'C' shape."); 56 } 57 } 58 }