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 import java.awt.Color;
  25 import java.awt.Graphics2D;
  26 import java.awt.image.BufferedImage;
  27 
  28 /**
  29  * @test
  30  * @bug 8029455
  31  * @summary Tests that copyarea on offscreen images works as expected when
  32  *          scaled transform is set
  33  * @run main ScaledCopyArea
  34  */
  35 public final class ScaledCopyArea {
  36 
  37     public static void main(final String[] args) {
  38         final BufferedImage bi = new BufferedImage(100, 300,
  39                                                    BufferedImage.TYPE_INT_RGB);
  40         final Graphics2D g = bi.createGraphics();
  41         g.scale(2, 2);
  42         g.setColor(Color.RED);
  43         g.fillRect(0, 0, 100, 300);
  44         g.setColor(Color.GREEN);
  45         g.fillRect(0, 100, 100, 100);
  46         g.copyArea(0, 100, 100, 100, 0, -100);
  47         g.dispose();
  48         for (int x = 0; x < 100; ++x) {
  49             for (int y = 0; y < 100; ++y) {
  50                 final int actual = bi.getRGB(x, y);
  51                 final int exp = Color.GREEN.getRGB();
  52                 if (actual != exp) {
  53                     System.err.println("Expected:" + Integer.toHexString(exp));
  54                     System.err.println("Actual:" + Integer.toHexString(actual));
  55                     throw new RuntimeException("Test " + "failed");
  56                 }
  57             }
  58         }
  59     }
  60 }