1 /* 2 * Copyright (c) 2014, 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 /* 25 * @test 26 * @bug 8028539 27 * @summary Test that drawing a scaled image terminates. 28 */ 29 30 import java.awt.Color; 31 import java.awt.Graphics; 32 import java.awt.Graphics2D; 33 import java.awt.geom.AffineTransform; 34 import java.awt.image.BufferedImage; 35 36 public class DrawImageCoordsTest extends Thread { 37 38 static volatile boolean testFinished = false; 39 static volatile boolean testSucceeded = true; 40 41 public static void main(String[] args) throws Exception { 42 Thread tester = new DrawImageCoordsTest(); 43 tester.start(); 44 long t0 = System.currentTimeMillis(); 45 while (!testFinished) { 46 if (System.currentTimeMillis() - t0 > 15000) { 47 tester.interrupt(); 48 throw new RuntimeException("Thread did not terminate"); 49 } 50 try { 51 Thread.sleep(100); 52 } catch (InterruptedException e) { 53 } 54 } 55 if (!testSucceeded) { 56 throw new RuntimeException("Incorrect results"); 57 } 58 } 59 60 public void run() { 61 /* Create an image to draw, filled in solid red. */ 62 BufferedImage srcImg = 63 new BufferedImage(200, 200, BufferedImage.TYPE_INT_RGB); 64 Graphics srcG = srcImg.createGraphics(); 65 srcG.setColor(Color.red); 66 int w = srcImg.getWidth(null); 67 int h = srcImg.getHeight(null); 68 srcG.fillRect(0, 0, w, h); 69 70 /* Create a destination image */ 71 BufferedImage dstImage = 72 new BufferedImage(200, 200, BufferedImage.TYPE_INT_RGB); 73 Graphics2D dstG = dstImage.createGraphics(); 74 /* draw image under a scaling transform that overflows int */ 75 AffineTransform tx = new AffineTransform(0.5, 0, 0, 0.5, 76 0, 5.8658460197478485E9); 77 dstG.setTransform(tx); 78 dstG.drawImage(srcImg, 0, 0, null ); 79 /* draw image under the same overflowing transform, cancelling 80 * out the 0.5 scale on the graphics 81 */ 82 dstG.drawImage(srcImg, 0, 0, 2*w, 2*h, null ); 83 testSucceeded = Color.red.getRGB() != dstImage.getRGB(w/2, h/2); 84 testFinished = true; 85 System.out.println("Test Thread Completed"); 86 } 87 }