Java tutorial
//package com.java2s; /* Copyright (C) 2006 Christian Schneider * * This file is part of Nomad. * * Nomad is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * Nomad 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 for more details. * * You should have received a copy of the GNU General Public License * along with Nomad; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ import java.awt.Color; public class Main { public static Color neighbour(Color c1, Color c2, double f) { return new Color(c1.getRed() + (int) ((c2.getRed() - c1.getRed()) * f), c1.getGreen() + (int) ((c2.getGreen() - c1.getGreen()) * f), c1.getBlue() + (int) ((c2.getBlue() - c1.getBlue()) * f), c1.getAlpha() + (int) ((c2.getAlpha() - c1.getAlpha()) * f)); } public static int getAlpha(Color color) { return color.getAlpha(); } public static int getAlpha(int color) { return (color >> 24) & 0xFF; } }