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84 lines
2.5 KiB
C#
84 lines
2.5 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Text;
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namespace BarcodeLib.Symbologies
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{
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/// <summary>
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/// Interleaved 2 of 5 encoding
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/// Written by: Brad Barnhill
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/// </summary>
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class Interleaved2of5 : BarcodeCommon, IBarcode
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{
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private string[] I25_Code = { "NNWWN", "WNNNW", "NWNNW", "WWNNN", "NNWNW", "WNWNN", "NWWNN", "NNNWW", "WNNWN", "NWNWN" };
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public Interleaved2of5(string input)
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{
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Raw_Data = input;
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}
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/// <summary>
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/// Encode the raw data using the Interleaved 2 of 5 algorithm.
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/// </summary>
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private string Encode_Interleaved2of5()
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{
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//check length of input
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if (Raw_Data.Length % 2 != 0)
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Error("EI25-1: Data length invalid.");
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if (!CheckNumericOnly(Raw_Data))
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Error("EI25-2: Numeric Data Only");
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string result = "1010";
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for (int i = 0; i < Raw_Data.Length; i += 2)
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{
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bool bars = true;
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string patternbars = I25_Code[Int32.Parse(Raw_Data[i].ToString())];
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string patternspaces = I25_Code[Int32.Parse(Raw_Data[i + 1].ToString())];
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string patternmixed = "";
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//interleave
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while (patternbars.Length > 0)
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{
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patternmixed += patternbars[0].ToString() + patternspaces[0].ToString();
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patternbars = patternbars.Substring(1);
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patternspaces = patternspaces.Substring(1);
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}//while
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foreach (char c1 in patternmixed)
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{
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if (bars)
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{
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if (c1 == 'N')
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result += "1";
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else
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result += "11";
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}//if
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else
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{
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if (c1 == 'N')
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result += "0";
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else
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result += "00";
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}//else
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bars = !bars;
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}//foreach
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}//foreach
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//add ending bars
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result += "1101";
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return result;
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}//Encode_Interleaved2of5
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#region IBarcode Members
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public string Encoded_Value
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{
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get { return this.Encode_Interleaved2of5(); }
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}
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#endregion
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}
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}
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