| /* |
| * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
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| */ |
| |
| /* |
| @test |
| @bug 6783910 |
| @summary java.awt.Color.brighter()/darker() methods make color opaque |
| @author Andrei Dmitriev: area=awt-color |
| @run main OpacityChange |
| */ |
| |
| import java.awt.*; |
| |
| public class OpacityChange { |
| private final static int INITIAL_ALPHA = 125; |
| |
| public static void main(String argv[]) { |
| Color color = new Color(20, 20, 20, INITIAL_ALPHA); |
| System.out.println("Initial alpha: " + color.getAlpha()); |
| Color colorBrighter = color.brighter(); |
| System.out.println("New alpha (after brighter): " + colorBrighter.getAlpha()); |
| |
| Color colorDarker = color.darker(); |
| System.out.println("New alpha (after darker): " + colorDarker.getAlpha()); |
| |
| |
| if (INITIAL_ALPHA != colorBrighter.getAlpha()) { |
| throw new RuntimeException("Brighter color alpha has changed from : " +INITIAL_ALPHA + " to " + colorBrighter.getAlpha()); |
| } |
| if (INITIAL_ALPHA != colorDarker.getAlpha()) { |
| throw new RuntimeException("Darker color alpha has changed from : " +INITIAL_ALPHA + " to " + colorDarker.getAlpha()); |
| } |
| } |
| } |