convert a boolean array to a byte array - CSharp System

CSharp examples for System:Byte Array

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Description

convert a boolean array to a byte array

Demo Code

/*// w ww  .  jav a 2s. c  o  m
    Convert between different array types
    Copyright (C) 2000-2007 Bob Mottram
    fuzzgun@gmail.com

    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/>.
*/
using System;

public class Main{
        /// <summary>
        /// convert a boolean array to a byte array
        /// </summary>
        /// <param name="array"></param>
        /// <returns></returns>
        public static byte[] ToByteArray(bool[] array)
        {
            byte[] powers_of_2 = { 1, 2, 4, 8, 16, 32, 64, 128 };
            int len = array.Length/8;
            if (len * 8 < array.Length) len++;
            byte[] bytes = new Byte[len];
            int offset = 0;
            int n = 0;
            int i = 0;
            for (int b = 0; b < array.Length; b++)
            {
                if (array[i])
                    bytes[n] = (byte)(bytes[n] | powers_of_2[offset]);

                i++;
                offset++;
                if (offset > 7)
                {
                    offset = 0;
                    n++;
                }
            }
            return (bytes);
        }
        /// <summary>
        /// convert a float array to a byte array
        /// </summary>
        /// <param name="array">float array</param>
        /// <returns></returns>
        public static byte[] ToByteArray(float[] array)
        {
            byte[] bytes = new byte[array.Length * 4];
            int x = 0;
            foreach(float f in array)
            {
                Byte[] t = BitConverter.GetBytes(f);
                for (int y = 0; y < 4; y++)
                    bytes[x + y] = t[y];
                x += 4;
            }
            return (bytes);
        }
}

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