/// <summary>
/// Ctor
/// Initializes a new instance of the <see cref="Code128"/> class with value
/// </summary>
/// <param name="text"></param>
public Code128(string text)
: base(text, XSize.Empty, CodeDirection.LeftToRight)
{
this.code128Code = Code128Type.B;
this.EndChar = '*';
this.StartChar = '*';
}
/// <summary>
/// 获取目标对应的数据
/// </summary>
/// <param name="code">编码</param>
/// <param name="value">数值 A b 30</param>
/// <param name="setId">返回编号</param>
/// <returns>编码</returns>
private string GetValue(Code128Type code, string value, ref int setId)
{
if (_code128 == null)
{
return("");
}
DataRow[] row = _code128.Select(code.ToString() + "='" + value + "'");
if (row.Length != 1)
{
throw new Exception("错误的编码" + value.ToString());
}
setId = Int32.Parse(row[0]["ID"].ToString());
return(row[0]["BandCode"].ToString());
}
private void InsertStartandCodeCharacters()
{
if (_code128Type != Code128Type.Auto)
{
switch (_code128Type)
{
case Code128Type.A:
_formattedData.Insert(0, "START_A");
break;
case Code128Type.B:
_formattedData.Insert(0, "START_B");
break;
case Code128Type.C:
_formattedData.Insert(0, "START_C");
break;
default:
throw new Exception("EC128-4: Unknown start type in fixed type encoding.");
}
}
else
{
var matchA = new Regex(@"^[\x00-\x5F\xC8-\xCF]*");
var matchB = new Regex(@"^[\x20-\x7F\xC8-\xCF]*");
var matchC = new Regex(@"^[0-9]*$");
if (matchC.Match(_data).Length >= 2)
{
_formattedData.Insert(0, "START_C");
_code128Type = Code128Type.C;
}
else if (matchA.Match(_data).Length >= matchB.Match(_data).Length)
{
_formattedData.Insert(0, "START_A");
_code128Type = Code128Type.A;
}
else
{
_formattedData.Insert(0, "START_B");
_code128Type = Code128Type.B;
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="Code128"/> class.
/// Constructor
/// </summary>
public Code128()
: base("", XSize.Empty, CodeDirection.LeftToRight)
{
if (Patterns == null)
{
Patterns = new Dictionary<Byte, Byte[]>();
Patterns.Add(0, new Byte[] { 2, 1, 2, 2, 2, 2 });
Patterns.Add(1, new Byte[] { 2, 2, 2, 1, 2, 2 });
Patterns.Add(2, new Byte[] { 2, 2, 2, 2, 2, 1 });
Patterns.Add(3, new Byte[] { 1, 2, 1, 2, 2, 3 });
Patterns.Add(4, new Byte[] { 1, 2, 1, 3, 2, 2 });
Patterns.Add(5, new Byte[] { 1, 3, 1, 2, 2, 2 });
Patterns.Add(6, new Byte[] { 1, 2, 2, 2, 1, 3 });
Patterns.Add(7, new Byte[] { 1, 2, 2, 3, 1, 2 });
Patterns.Add(8, new Byte[] { 1, 3, 2, 2, 1, 2 });
Patterns.Add(9, new Byte[] { 2, 2, 1, 2, 1, 3 });
Patterns.Add(10, new Byte[] { 2, 2, 1, 3, 1, 2 });
Patterns.Add(11, new Byte[] { 2, 3, 1, 2, 1, 2 });
Patterns.Add(12, new Byte[] { 1, 1, 2, 2, 3, 2 });
Patterns.Add(13, new Byte[] { 1, 2, 2, 1, 3, 2 });
Patterns.Add(14, new Byte[] { 1, 2, 2, 2, 3, 1 });
Patterns.Add(15, new Byte[] { 1, 1, 3, 2, 2, 2 });
Patterns.Add(16, new Byte[] { 1, 2, 3, 1, 2, 2 });
Patterns.Add(17, new Byte[] { 1, 2, 3, 2, 2, 1 });
Patterns.Add(18, new Byte[] { 2, 2, 3, 2, 1, 1 });
Patterns.Add(19, new Byte[] { 2, 2, 1, 1, 3, 2 });
Patterns.Add(20, new Byte[] { 2, 2, 1, 2, 3, 1 });
Patterns.Add(21, new Byte[] { 2, 1, 3, 2, 1, 2 });
Patterns.Add(22, new Byte[] { 2, 2, 3, 1, 1, 2 });
Patterns.Add(23, new Byte[] { 3, 1, 2, 1, 3, 1 });
Patterns.Add(24, new Byte[] { 3, 1, 1, 2, 2, 2 });
Patterns.Add(25, new Byte[] { 3, 2, 1, 1, 2, 2 });
Patterns.Add(26, new Byte[] { 3, 2, 1, 2, 2, 1 });
Patterns.Add(27, new Byte[] { 3, 1, 2, 2, 1, 2 });
Patterns.Add(28, new Byte[] { 3, 2, 2, 1, 1, 2 });
Patterns.Add(29, new Byte[] { 3, 2, 2, 2, 1, 1 });
Patterns.Add(30, new Byte[] { 2, 1, 2, 1, 2, 3 });
Patterns.Add(31, new Byte[] { 2, 1, 2, 3, 2, 1 });
Patterns.Add(32, new Byte[] { 2, 3, 2, 1, 2, 1 });
Patterns.Add(33, new Byte[] { 1, 1, 1, 3, 2, 3 });
Patterns.Add(34, new Byte[] { 1, 3, 1, 1, 2, 3 });
Patterns.Add(35, new Byte[] { 1, 3, 1, 3, 2, 1 });
Patterns.Add(36, new Byte[] { 1, 1, 2, 3, 1, 3 });
Patterns.Add(37, new Byte[] { 1, 3, 2, 1, 1, 3 });
Patterns.Add(38, new Byte[] { 1, 3, 2, 3, 1, 1 });
Patterns.Add(39, new Byte[] { 2, 1, 1, 3, 1, 3 });
Patterns.Add(40, new Byte[] { 2, 3, 1, 1, 1, 3 });
Patterns.Add(41, new Byte[] { 2, 3, 1, 3, 1, 1 });
Patterns.Add(42, new Byte[] { 1, 1, 2, 1, 3, 3 });
Patterns.Add(43, new Byte[] { 1, 1, 2, 3, 3, 1 });
Patterns.Add(44, new Byte[] { 1, 3, 2, 1, 3, 1 });
Patterns.Add(45, new Byte[] { 1, 1, 3, 1, 2, 3 });
Patterns.Add(46, new Byte[] { 1, 1, 3, 3, 2, 1 });
Patterns.Add(47, new Byte[] { 1, 3, 3, 1, 2, 1 });
Patterns.Add(48, new Byte[] { 3, 1, 3, 1, 2, 1 });
Patterns.Add(49, new Byte[] { 2, 1, 1, 3, 3, 1 });
Patterns.Add(50, new Byte[] { 2, 3, 1, 1, 3, 1 });
Patterns.Add(51, new Byte[] { 2, 1, 3, 1, 1, 3 });
Patterns.Add(52, new Byte[] { 2, 1, 3, 3, 1, 1 });
Patterns.Add(53, new Byte[] { 2, 1, 3, 1, 3, 1 });
Patterns.Add(54, new Byte[] { 3, 1, 1, 1, 2, 3 });
Patterns.Add(55, new Byte[] { 3, 1, 1, 3, 2, 1 });
Patterns.Add(56, new Byte[] { 3, 3, 1, 1, 2, 1 });
Patterns.Add(57, new Byte[] { 3, 1, 2, 1, 1, 3 });
Patterns.Add(58, new Byte[] { 3, 1, 2, 3, 1, 1 });
Patterns.Add(59, new Byte[] { 3, 3, 2, 1, 1, 1 });
Patterns.Add(60, new Byte[] { 3, 1, 4, 1, 1, 1 });
Patterns.Add(61, new Byte[] { 2, 2, 1, 4, 1, 1 });
Patterns.Add(62, new Byte[] { 4, 3, 1, 1, 1, 1 });
Patterns.Add(63, new Byte[] { 1, 1, 1, 2, 2, 4 });
Patterns.Add(64, new Byte[] { 1, 1, 1, 4, 2, 2 });
Patterns.Add(65, new Byte[] { 1, 2, 1, 1, 2, 4 });
Patterns.Add(66, new Byte[] { 1, 2, 1, 4, 2, 1 });
Patterns.Add(67, new Byte[] { 1, 4, 1, 1, 2, 2 });
Patterns.Add(68, new Byte[] { 1, 4, 1, 2, 2, 1 });
Patterns.Add(69, new Byte[] { 1, 1, 2, 2, 1, 4 });
Patterns.Add(70, new Byte[] { 1, 1, 2, 4, 1, 2 });
Patterns.Add(71, new Byte[] { 1, 2, 2, 1, 1, 4 });
Patterns.Add(72, new Byte[] { 1, 2, 2, 4, 1, 1 });
Patterns.Add(73, new Byte[] { 1, 4, 2, 1, 1, 2 });
Patterns.Add(74, new Byte[] { 1, 4, 2, 2, 1, 1 });
Patterns.Add(75, new Byte[] { 2, 4, 1, 2, 1, 1 });
Patterns.Add(76, new Byte[] { 2, 2, 1, 1, 1, 4 });
Patterns.Add(77, new Byte[] { 4, 1, 3, 1, 1, 1 });
Patterns.Add(78, new Byte[] { 2, 4, 1, 1, 1, 2 });
Patterns.Add(79, new Byte[] { 1, 3, 4, 1, 1, 1 });
Patterns.Add(80, new Byte[] { 1, 1, 1, 2, 4, 2 });
Patterns.Add(81, new Byte[] { 1, 2, 1, 1, 4, 2 });
Patterns.Add(82, new Byte[] { 1, 2, 1, 2, 4, 1 });
Patterns.Add(83, new Byte[] { 1, 1, 4, 2, 1, 2 });
Patterns.Add(84, new Byte[] { 1, 2, 4, 1, 1, 2 });
Patterns.Add(85, new Byte[] { 1, 2, 4, 2, 1, 1 });
Patterns.Add(86, new Byte[] { 4, 1, 1, 2, 1, 2 });
Patterns.Add(87, new Byte[] { 4, 2, 1, 1, 1, 2 });
Patterns.Add(88, new Byte[] { 4, 2, 1, 2, 1, 1 });
Patterns.Add(89, new Byte[] { 2, 1, 2, 1, 4, 1 });
Patterns.Add(90, new Byte[] { 2, 1, 4, 1, 2, 1 });
Patterns.Add(91, new Byte[] { 4, 1, 2, 1, 2, 1 });
Patterns.Add(92, new Byte[] { 1, 1, 1, 1, 4, 3 });
Patterns.Add(93, new Byte[] { 1, 1, 1, 3, 4, 1 });
Patterns.Add(94, new Byte[] { 1, 3, 1, 1, 4, 1 });
Patterns.Add(95, new Byte[] { 1, 1, 4, 1, 1, 3 });
Patterns.Add(96, new Byte[] { 1, 1, 4, 3, 1, 1 });
Patterns.Add(97, new Byte[] { 4, 1, 1, 1, 1, 3 });
Patterns.Add(98, new Byte[] { 4, 1, 1, 3, 1, 1 });
Patterns.Add(99, new Byte[] { 1, 1, 3, 1, 4, 1 });
Patterns.Add(100, new Byte[] { 1, 1, 4, 1, 3, 1 });
Patterns.Add(101, new Byte[] { 3, 1, 1, 1, 4, 1 });
Patterns.Add(102, new Byte[] { 4, 1, 1, 1, 3, 1 });
Patterns.Add(103, new Byte[] { 2, 1, 1, 4, 1, 2 });
Patterns.Add(104, new Byte[] { 2, 1, 1, 2, 1, 4 });
Patterns.Add(105, new Byte[] { 2, 1, 1, 2, 3, 2 });
Patterns.Add(106, new Byte[] { 2, 3, 3, 1, 1, 1, 2 });
}
this.code128Code = Code128Type.B;
}
/// <summary>
/// Encodes data.
/// </summary>
/// <param name="data">Data to encode.</param>
/// <param name="code128Type">Type of encoding to lock to. (Code 128A, Code 128B, Code 128C)</param>
public Code128(string data, Code128Type code128Type)
{
_code128Type = code128Type;
_data = data;
}
/// <summary>
/// 获取Code128条形码图片
/// </summary>
/// <param name="content">条码内容</param>
/// <param name="type">条码类型</param>
/// <returns>Code128条形码</returns>
public Bitmap GetImage(string content, Code128Type type)
{
string viewText = content;
string text = "";
IList <int> textNumb = new List <int>();
int examine = 0;//首位
switch (type)
{
case Code128Type.Code128C:
examine = 105;
if ((content.Length & 1) != 0)
{
throw new Exception("128C长度必须是偶数");
}
while (content.Length != 0)
{
int temp = 0;
if (!long.TryParse(content.Substring(0, 2), out _))
{
throw new Exception("128C必须是数字！");
}
text += GetValue(type, content.Substring(0, 2), ref temp);
textNumb.Add(temp);
content = content.Remove(0, 2);
}
break;
case Code128Type.EAN128:
examine = 105;
if ((content.Length & 1) != 0)
{
throw new Exception("EAN128长度必须是偶数");
}
textNumb.Add(102);
text += "411131";
while (content.Length != 0)
{
int temp = 0;
if (!long.TryParse(content.Substring(0, 2), out _))
{
throw new Exception("EAN128必须是数字！");
}
text += GetValue(Code128Type.Code128C, content.Substring(0, 2), ref temp);
textNumb.Add(temp);
content = content.Remove(0, 2);
}
break;
default:
examine = type == Code128Type.Code128A ? 103 : 104;
while (content.Length != 0)
{
int temp = 0;
string valueCode = GetValue(type, content.Substring(0, 1), ref temp);
if (valueCode.Length == 0)
{
throw new Exception("无效的字符集!" + content.Substring(0, 1));
}
text += valueCode;
textNumb.Add(temp);
content = content.Remove(0, 1);
}
break;
}
if (textNumb.Count == 0)
{
throw new Exception("错误的编码,无数据");
}
text = text.Insert(0, GetValue(examine));//获取开始位
for (int i = 0; i != textNumb.Count; i++)
{
examine += textNumb[i] * (i + 1);
}
examine = examine % 103; //获得严效位
text += GetValue(examine); //获取严效位
text += "2331112"; //结束位
Bitmap image = GetImage(text);
GetViewText(image, viewText);
return(image);
}
