Blend two colors - Android Graphics

Android examples for Graphics:Color Blend

  1. HOME
  2. Android
  3. Graphics
  4. Color Blend

Description

Blend two colors

Demo Code

/*******************************************************************************
 * Copyright (c) 2011 MadRobot.// w  w w .  ja  v  a 2 s  . c o  m
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Lesser Public License v2.1
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * 
 * Contributors:
 *  Elton Kent - initial API and implementation
 ******************************************************************************/
//package com.java2s;

public class Main {
    /**
     * Blend two colors
     * 
     * @param color1
     * @param color2
     * @param f
     *            percentage
     * @return Blended color
     */
    public static int blend(int color1, int color2, float f) {
        return mix(color1 >>> 24, color2 >>> 24, f) << 24
                | mix((color1 >> 16) & 0xff, (color2 >> 16) & 0xff, f) << 16
                | mix((color1 >> 8) & 0xff, (color2 >> 8) & 0xff, f) << 8
                | mix(color1 & 0xff, color2 & 0xff, f);
    }

    private static int mix(int a, int b, float f) {
        return (int) (a + (b - a) * f);
    }
}

Related Tutorials