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  * @run main/othervm/timeout=60 DrawImageCoordsTest
  29 */
  30 
  31 import java.awt.Color;
  32 import java.awt.Graphics;
  33 import java.awt.Graphics2D;
  34 import java.awt.geom.AffineTransform;
  35 import java.awt.image.BufferedImage;
  36 
  37 public class DrawImageCoordsTest {
  38 
  39     public static void main(String[] args) {
  40 
  41         /* Create an image to draw, filled in solid red. */
  42         BufferedImage srcImg =
  43              new BufferedImage(200, 200, BufferedImage.TYPE_INT_RGB);
  44         Graphics srcG = srcImg.createGraphics();
  45         srcG.setColor(Color.red);
  46         int w = srcImg.getWidth(null);
  47         int h = srcImg.getHeight(null);
  48         srcG.fillRect(0, 0, w, h);
  49 
  50         /* Create a destination image */
  51         BufferedImage dstImage =
  52            new BufferedImage(200, 200, BufferedImage.TYPE_INT_RGB);
  53         Graphics2D dstG = dstImage.createGraphics();
  54         /* draw image under a scaling transform that overflows int */
  55         AffineTransform tx = new AffineTransform(0.5, 0, 0, 0.5,
  56                                                   0, 5.8658460197478485E9);
  57         dstG.setTransform(tx);
  58         dstG.drawImage(srcImg, 0, 0, null );
  59         /* draw image under the same overflowing transform, cancelling
  60          * out the 0.5 scale on the graphics
  61          */
  62         dstG.drawImage(srcImg, 0, 0, 2*w, 2*h, null);
  63         if (Color.red.getRGB() == dstImage.getRGB(w/2, h/2)) {
  64              throw new RuntimeException("Unexpected color: clipping failed.");
  65         }
  66         System.out.println("Test Thread Completed");
  67     }
  68 }