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