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 }