1/*
2 * Copyright (c) 2007, 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
24import java.awt.*;
25import java.awt.image.ColorModel;
26
27/*
28 * @test
29 * @summary Check no exception occurrence when running AlphaComposite getInstance(),
30 *          createContext(), getAlpha(), getRule(), hashCode() methods in headless mode
31 * @run main/othervm -Djava.awt.headless=true HeadlessAlphaComposite
32 */
33
34public class HeadlessAlphaComposite {
35
36    public static void main(String args[]) {
37        AlphaComposite ac;
38        ac = AlphaComposite.getInstance(AlphaComposite.CLEAR);
39        ac = AlphaComposite.getInstance(AlphaComposite.DST_IN);
40        ac = AlphaComposite.getInstance(AlphaComposite.DST_OUT);
41        ac = AlphaComposite.getInstance(AlphaComposite.DST_OVER);
42        ac = AlphaComposite.getInstance(AlphaComposite.SRC);
43        ac = AlphaComposite.getInstance(AlphaComposite.SRC_IN);
44        ac = AlphaComposite.getInstance(AlphaComposite.SRC_OUT);
45        ac = AlphaComposite.getInstance(AlphaComposite.DST_IN);
46        ac = AlphaComposite.getInstance(AlphaComposite.SRC, (float) 0.5);
47
48        ac = AlphaComposite.getInstance(AlphaComposite.SRC, (float) 0.5);
49        CompositeContext cc = ac.createContext(ColorModel.getRGBdefault(),
50                ColorModel.getRGBdefault(),
51                new RenderingHints(RenderingHints.KEY_ANTIALIASING,
52                        RenderingHints.VALUE_ANTIALIAS_ON));
53
54        ac = AlphaComposite.getInstance(AlphaComposite.SRC, (float) 0.5);
55        float alpha = ac.getAlpha();
56
57        ac = AlphaComposite.getInstance(AlphaComposite.SRC, (float) 0.5);
58        int rule = ac.getRule();
59
60        ac = AlphaComposite.getInstance(AlphaComposite.SRC, (float) 0.5);
61        int hc = ac.hashCode();
62    }
63}
64