Returns a color identical to the given color but with a new alpha. - Java 2D Graphics

Java examples for 2D Graphics:Color Alpha

  1. HOME
  2. Java
  3. 2D Graphics
  4. Color Alpha

Description

Returns a color identical to the given color but with a new alpha.

Demo Code

/*/*  w  w w  . j  a va 2s.  com*/
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
//package com.java2s;
import java.awt.*;

public class Main {
    /**
     * Returns a color identical to the given color but with a new alpha.
     *
     * @param       c
     *          the subject color
     *
     * @param       alpha
     *          the alpha setting
     */
    public static Color alpha(Color c, float alpha) {
        float[] rgb = c.getRGBColorComponents(null);
        return new Color(rgb[0], rgb[1], rgb[2], alpha);
    }
}

Related Tutorials