Java Hex Calculate toHex(String color)

Description

Sends a colour to a hex

License

Open Source License

Parameter

Parameter	Description
color	a parameter

Declaration

private static String toHex(String color) 

Method Source Code

//package com.java2s;
/*/*from   ww  w .  j  a v a2s .c om*/
 * Copyright (C) 2017 GedMarc
 *
 * 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 {
    /**
     * Converts a colour to hex i suppose
     */
    private static final String chars = "0123456789ABCDEF";

    /**
     * Sends a colour to a hex
     *
     * @param color
     *
     * @return
     */
    private static String toHex(String color) {
        if (color == null) {
            return "00";
        }
        Integer N;
        N = Integer.parseInt(color);
        if (N == 0) {
            return "00";
        }
        N = Math.max(0, N);
        N = Math.min(N, 255);
        N = Math.round(N);
        char s = chars.charAt((N - N % 16) / 16);
        char s1 = chars.charAt(N % 16);
        return "" + Character.toString(s) + Character.toString(s1);
    }
}

Related

1. toHex(long i)
2. toHex(long i, int r0, boolean r1)
3. toHex(long l, int length)
4. toHex(Long value, int charCount)
5. toHex(long value, int length)
6. toHex(String in, boolean javaStyle)
7. toHEX(String ostr)
8. toHex(String source)
9. toHex(String str)