Java RGB Color Convert To rgb2Hex(int rgb)

Description

rgb Hex

License

Apache License

Declaration

private static String rgb2Hex(int rgb) 

Method Source Code

//package com.java2s;
/*/*  w  ww . ja  v a  2s . c o  m*/
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

public class Main {
    private static final char[] HEX = { '0', '1', '2', '3', '4', '5', '6',
            '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };

    private static String rgb2Hex(int rgb) {
        StringBuffer sb = new StringBuffer();
        for (int i = 5; i >= 0; i--) {
            int shift = i * 4;
            int n = (rgb & (15 << shift)) >> shift;
            sb.append(HEX[n % 16]);
        }
        return sb.toString();
    }
}

Related

1. rgb2arr(final int color, final int[] argbarr)
2. rgb2bilevel(int[] rgb)
3. rgb2gray(int r, int g, int b)
4. rgb2grayscale(int[] rgb, int imageWidth, int imageHeight)
5. rgb2grayscaleA(int[] rgb)
6. rgb2hex(int[] rgb)
7. rgb2hsl(int colour)
8. RGB2HSL(int red, int green, int blue, float[] hslvals)
9. rgb2hsl(int[] rgb)