using System.Collections; 
using System.Text.RegularExpressions; 
 
namespace DotNet.Utilities 
{ 
  public class BarCodeToHTML 
  { 
    public static string get39(string s, int width, int height) 
    { 
      Hashtable ht = new Hashtable(); 
 
      #region 39码 12位 
      ht.Add('A', "110101001011"); 
      ht.Add('B', "101101001011"); 
      ht.Add('C', "110110100101"); 
      ht.Add('D', "101011001011"); 
      ht.Add('E', "110101100101"); 
      ht.Add('F', "101101100101"); 
      ht.Add('G', "101010011011"); 
      ht.Add('H', "110101001101"); 
      ht.Add('I', "101101001101"); 
      ht.Add('J', "101011001101"); 
      ht.Add('K', "110101010011"); 
      ht.Add('L', "101101010011"); 
      ht.Add('M', "110110101001"); 
      ht.Add('N', "101011010011"); 
      ht.Add('O', "110101101001"); 
      ht.Add('P', "101101101001"); 
      ht.Add('Q', "101010110011"); 
      ht.Add('R', "110101011001"); 
      ht.Add('S', "101101011001"); 
      ht.Add('T', "101011011001"); 
      ht.Add('U', "110010101011"); 
      ht.Add('V', "100110101011"); 
      ht.Add('W', "110011010101"); 
      ht.Add('X', "100101101011"); 
      ht.Add('Y', "110010110101"); 
      ht.Add('Z', "100110110101"); 
      ht.Add('0', "101001101101"); 
      ht.Add('1', "110100101011"); 
      ht.Add('2', "101100101011"); 
      ht.Add('3', "110110010101"); 
      ht.Add('4', "101001101011"); 
      ht.Add('5', "110100110101"); 
      ht.Add('6', "101100110101"); 
      ht.Add('7', "101001011011"); 
      ht.Add('8', "110100101101"); 
      ht.Add('9', "101100101101"); 
      ht.Add('+', "100101001001"); 
      ht.Add('-', "100101011011"); 
      ht.Add('*', "100101101101"); 
      ht.Add('/', "100100101001"); 
      ht.Add('%', "101001001001"); 
      ht.Add('$', "100100100101"); 
      ht.Add('.', "110010101101"); 
      ht.Add(' ', "100110101101"); 
      #endregion 
 
      #region 39码 9位 
      //ht.Add('0', "000110100"); 
      //ht.Add('1', "100100001"); 
      //ht.Add('2', "001100001"); 
      //ht.Add('3', "101100000"); 
      //ht.Add('4', "000110001"); 
      //ht.Add('5', "100110000"); 
      //ht.Add('6', "001110000"); 
      //ht.Add('7', "000100101"); 
      //ht.Add('8', "100100100"); 
      //ht.Add('9', "001100100"); 
      //ht.Add('A', "100001001"); 
      //ht.Add('B', "001001001"); 
      //ht.Add('C', "101001000"); 
      //ht.Add('D', "000011001"); 
      //ht.Add('E', "100011000"); 
      //ht.Add('F', "001011000"); 
      //ht.Add('G', "000001101"); 
      //ht.Add('H', "100001100"); 
      //ht.Add('I', "001001100"); 
      //ht.Add('J', "000011100"); 
      //ht.Add('K', "100000011"); 
      //ht.Add('L', "001000011"); 
      //ht.Add('M', "101000010"); 
      //ht.Add('N', "000010011"); 
      //ht.Add('O', "100010010"); 
      //ht.Add('P', "001010010"); 
      //ht.Add('Q', "000000111"); 
      //ht.Add('R', "100000110"); 
      //ht.Add('S', "001000110"); 
      //ht.Add('T', "000010110"); 
      //ht.Add('U', "110000001"); 
      //ht.Add('V', "011000001"); 
      //ht.Add('W', "111000000"); 
      //ht.Add('X', "010010001"); 
      //ht.Add('Y', "110010000"); 
      //ht.Add('Z', "011010000"); 
      //ht.Add('-', "010000101"); 
      //ht.Add('.', "110000100"); 
      //ht.Add(' ', "011000100"); 
      //ht.Add('*', "010010100"); 
      //ht.Add('$', "010101000"); 
      //ht.Add('/', "010100010"); 
      //ht.Add('+', "010001010"); 
      //ht.Add('%', "000101010"); 
      #endregion 
 
      s = "*" + s.ToUpper() + "*"; 
 
      string result_bin = "";//二进制串 
 
      try 
      { 
        foreach (char ch in s) 
        { 
          result_bin += ht[ch].ToString(); 
          result_bin += "0";//间隔，与一个单位的线条宽度相等 
        } 
      } 
      catch { return "存在不允许的字符！"; } 
 
      string result_html = ""; //HTML代码 
      string color = "";    //颜色 
      foreach (char c in result_bin) 
      { 
        color = c == '0' ? "#FFFFFF" : "#000000"; 
        result_html += "
"; 
      } 
      result_html += "
"; 
 
      int len = ht['*'].ToString().Length; 
      foreach (char c in s) 
      { 
        result_html += "
" + c + "
"; 
      } 
      result_html += "
"; 
 
      return "
" + result_html + "
"; 
    } 
 
    public static string getEAN13(string s, int width, int height) 
    { 
      int checkcode_input = -1;//输入的校验码 
      if (!Regex.IsMatch(s, @"^\d{12}$")) 
      { 
        if (!Regex.IsMatch(s, @"^\d{13}$")) 
        { 
          return "存在不允许的字符！"; 
        } 
        else 
        { 
          checkcode_input = int.Parse(s[12].ToString()); 
          s = s.Substring(0, 12); 
        } 
      } 
 
      int sum_even = 0;//偶数位之和 
      int sum_odd = 0; //奇数位之和 
 
      for (int i = 0; i < 12; i++) 
      { 
        if (i % 2 == 0) 
        { 
          sum_odd += int.Parse(s[i].ToString()); 
        } 
        else 
        { 
          sum_even += int.Parse(s[i].ToString()); 
        } 
      } 
 
      int checkcode = (10 - (sum_even * 3 + sum_odd) % 10) % 10;//校验码 
 
      if (checkcode_input > 0 && checkcode_input != checkcode) 
      { 
        return "输入的校验码错误！"; 
      } 
 
      s += checkcode;//变成13位 
 
      // 000000000101左侧42个01010右侧35个校验7个101000000000 
      // 6    101左侧6位 01010右侧5位校验1位101000000000 
 
      string result_bin = "";//二进制串 
      result_bin += "000000000101"; 
 
      string type = ean13type(s[0]); 
      for (int i = 1; i < 7; i++) 
      { 
        result_bin += ean13(s[i], type[i - 1]); 
      } 
      result_bin += "01010"; 
      for (int i = 7; i < 13; i++) 
      { 
        result_bin += ean13(s[i], 'C'); 
      } 
      result_bin += "101000000000"; 
 
      string result_html = ""; //HTML代码 
      string color = "";    //颜色 
      int height_bottom = width * 5; 
      foreach (char c in result_bin) 
      { 
        color = c == '0' ? "#FFFFFF" : "#000000"; 
        result_html += "
"; 
      } 
      result_html += "
"; 
 
      result_html += "
" + s[0] + "
"; 
      result_html += "
"; 
      result_html += "
"; 
      result_html += "
"; 
      for (int i = 1; i < 7; i++) 
      { 
        result_html += "
" + s[i] + "
"; 
      } 
      result_html += "
"; 
      result_html += "
"; 
      result_html += "
"; 
      result_html += "
"; 
      result_html += "
"; 
      for (int i = 7; i < 13; i++) 
      { 
        result_html += "
" + s[i] + "
"; 
      } 
      result_html += "
"; 
      result_html += "
"; 
      result_html += "
"; 
      result_html += "
"; 
      result_html += "
"; 
 
      return "
" + result_html + "
"; 
    } 
 
    private static string ean13(char c, char type) 
    { 
      switch (type) 
      { 
        case 'A': 
          { 
            switch (c) 
            { 
              case '0': return "0001101"; 
              case '1': return "0011001"; 
              case '2': return "0010011"; 
              case '3': return "0111101";//011101 
              case '4': return "0100011"; 
              case '5': return "0110001"; 
              case '6': return "0101111"; 
              case '7': return "0111011"; 
              case '8': return "0110111"; 
              case '9': return "0001011"; 
              default: return "Error!"; 
            } 
          } 
        case 'B': 
          { 
            switch (c) 
            { 
              case '0': return "0100111"; 
              case '1': return "0110011"; 
              case '2': return "0011011"; 
              case '3': return "0100001"; 
              case '4': return "0011101"; 
              case '5': return "0111001"; 
              case '6': return "0000101";//000101 
              case '7': return "0010001"; 
              case '8': return "0001001"; 
              case '9': return "0010111"; 
              default: return "Error!"; 
            } 
          } 
        case 'C': 
          { 
            switch (c) 
            { 
              case '0': return "1110010"; 
              case '1': return "1100110"; 
              case '2': return "1101100"; 
              case '3': return "1000010"; 
              case '4': return "1011100"; 
              case '5': return "1001110"; 
              case '6': return "1010000"; 
              case '7': return "1000100"; 
              case '8': return "1001000"; 
              case '9': return "1110100"; 
              default: return "Error!"; 
            } 
          } 
        default: return "Error!"; 
      } 
    } 
 
    private static string ean13type(char c) 
    { 
      switch (c) 
      { 
        case '0': return "AAAAAA"; 
        case '1': return "AABABB"; 
        case '2': return "AABBAB"; 
        case '3': return "AABBBA"; 
        case '4': return "ABAABB"; 
        case '5': return "ABBAAB"; 
        case '6': return "ABBBAA";//中国 
        case '7': return "ABABAB"; 
        case '8': return "ABABBA"; 
        case '9': return "ABBABA"; 
        default: return "Error!"; 
      } 
    } 
  } 
}