Here you can find the source of toRGBAIntArray(long argb)
public static int[] toRGBAIntArray(long argb)
//package com.java2s; /*//from w w w.j a va2 s. c o m * JBoss, Home of Professional Open Source. * Copyright 2011, Red Hat, Inc., and individual contributors * as indicated by the @author tags. See the copyright.txt file in the * distribution for a full listing of individual contributors. * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * This software 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ public class Main { public static int[] toRGBAIntArray(long argb) { return toIntArray(toRGBA(argb)); } public static int[] toIntArray(long color) { return new int[] { 0xFF & (int) (color >> 24), 0xFF & (int) (color >> 16), 0xFF & (int) (color >> 8), 0xFF & (int) (color) }; } public static long toRGBA(long argb) { long rgbPart = (argb << 8) & 0xFFFFFF00L; long aPart = (argb >> 24) & 0xFFL; return aPart | rgbPart; } }