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.
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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 
main(final String[] args)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 }
61