Java Color Combine combine(int r, int g, int b, int a)

Description

Combines the R,G,B,A values back into single integer.

License

Open Source License

Parameter

Parameter	Description
r	the red value
g	the green value
b	the blue value
a	the alpha value

Return

the combined integer

Declaration

public static int combine(int r, int g, int b, int a) 

Method Source Code

//package com.java2s;
/*//from   w w  w .j  a va2s  . c o m
 *   This program 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 3 of the License, or
 *   (at your option) any later version.
 *
 *   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */

public class Main {
    /**
     * Combines the R,G,B,A values back into single integer.
     * 
     * @param rgba   the RGBA values
     * @return      the combined integer
     */
    public static int combine(int[] rgba) {
        return combine(rgba[0], rgba[1], rgba[2], rgba[3]);
    }

    /**
     * Combines the R,G,B,A values back into single integer.
     * 
     * @param r      the red value
     * @param g      the green value
     * @param b      the blue value
     * @param a      the alpha value
     * @return      the combined integer
     */
    public static int combine(int r, int g, int b, int a) {
        return (r << 16) + (g << 8) + (b << 0) + (a << 24);
    }
}

Related

1. combine(int r, int g, int b)
2. combineColors(int fgColor, int bgColor, int pctFg)