Returns whether the windowing system supports changing the opacity value of top-level windows. - Java Swing

Java examples for Swing:Window

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Description

Returns whether the windowing system supports changing the opacity value of top-level windows.

Demo Code

/*//w w w  .j  a v a  2 s .  c  o  m
 * Copyright (c) 2008, 2017, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
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 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * 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).
 *
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 */
//package com.java2s;
import java.awt.*;

import sun.awt.SunToolkit;

public class Main {
    /**
     * Returns whether the windowing system supports changing the opacity
     * value of top-level windows.
     * Note that this method may sometimes return true, but the native
     * windowing system may still not support the concept of
     * translucency (due to the bugs in the windowing system).
     */
    private static boolean isWindowOpacitySupported() {
        Toolkit curToolkit = Toolkit.getDefaultToolkit();
        if (!(curToolkit instanceof SunToolkit)) {
            return false;
        }
        return ((SunToolkit) curToolkit).isWindowOpacitySupported();
    }
}

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