Java Color to Hex toHex(Color color)

Description

Returns the color as hex string ("#RRGGBB" or "#AARRGGBB").

License

Open Source License

Parameter

Parameter	Description
color	the color to convert

Return

the generated string

Declaration

public static String toHex(Color color) 

Method Source Code

//package com.java2s;
/*/* w  w  w .j  a v a 2 s.  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/>.
 */

import java.awt.Color;

public class Main {
    /**
     * Turns the integer into a hex string, left-pads with zero.
     *
     * @param i      the integer to convert
     * @return      the generated string
     */
    protected static String toHex(int i) {
        String result;

        result = Integer.toHexString(i);
        if (result.length() % 2 == 1)
            result = "0" + result;

        return result;
    }

    /**
     * Returns the color as hex string ("#RRGGBB" or "#AARRGGBB").
     * Alpha is only output if different from 255.
     *
     * @param color   the color to convert
     * @return      the generated string
     */
    public static String toHex(Color color) {
        String result;

        if (color.getAlpha() < 255)
            result = "#" + toHex(color.getAlpha()) + toHex(color.getRed()) + toHex(color.getGreen())
                    + toHex(color.getBlue());
        else
            result = "#" + toHex(color.getRed()) + toHex(color.getGreen()) + toHex(color.getBlue());

        return result;
    }
}

Related

1. toHex(Color c)
2. toHex(Color color)
3. toHex(Color color)
4. toHex(Color color)
5. toHex(Color color)
6. toHex(Color color)