www.pudn.com > testQR_DM.rar > EnCode128.cs, change:2014-05-05,size:17617b


using System; 
using System.Collections.Generic; 
using System.Text; 
using System.Drawing; 
using System.Data; 
 
namespace testQR_DM 
{ 
    class EnCode128 
    { 
        public class Code128 
        { 
            private DataTable m_Code128 = new DataTable(); 
            private uint m_Height = 25; 
            /// <summary> 
            /// 高度 
            /// </summary> 
            public uint Height { get { return m_Height; } set { m_Height = value; } } 
            private Font m_ValueFont = null; 
            /// <summary> 
            /// 是否显示可见号码  如果为NULL不显示号码 
            /// </summary> 
            public Font ValueFont { get { return m_ValueFont; } set { m_ValueFont = value; } } 
            private byte m_Magnify = 0; 
            /// <summary> 
            /// 放大倍数 
            /// </summary> 
            public byte Magnify { get { return m_Magnify; } set { m_Magnify = value; } } 
            /// <summary> 
            /// 条码类别 
            /// </summary> 
            public enum Encode 
            { 
                Code128A, 
                Code128B, 
                Code128C, 
                EAN128 
            } 
            public Code128() 
            { 
                m_Code128.Columns.Add("ID"); 
                m_Code128.Columns.Add("Code128A"); 
                m_Code128.Columns.Add("Code128B"); 
                m_Code128.Columns.Add("Code128C"); 
                m_Code128.Columns.Add("BandCode"); 
                m_Code128.CaseSensitive = true; 
                #region 数据表 
                m_Code128.Rows.Add("0", " ", " ", "00", "212222"); 
                m_Code128.Rows.Add("1", "!", "!", "01", "222122"); 
                m_Code128.Rows.Add("2", "\"", "\"", "02", "222221"); 
                m_Code128.Rows.Add("3", "#", "#", "03", "121223"); 
                m_Code128.Rows.Add("4", "$", "$", "04", "121322"); 
                m_Code128.Rows.Add("5", "%", "%", "05", "131222"); 
                m_Code128.Rows.Add("6", "&", "&", "06", "122213"); 
                m_Code128.Rows.Add("7", "'", "'", "07", "122312"); 
                m_Code128.Rows.Add("8", "(", "(", "08", "132212"); 
                m_Code128.Rows.Add("9", ")", ")", "09", "221213"); 
                m_Code128.Rows.Add("10", "*", "*", "10", "221312"); 
                m_Code128.Rows.Add("11", "+", "+", "11", "231212"); 
                m_Code128.Rows.Add("12", ",", ",", "12", "112232"); 
                m_Code128.Rows.Add("13", "-", "-", "13", "122132"); 
                m_Code128.Rows.Add("14", ".", ".", "14", "122231"); 
                m_Code128.Rows.Add("15", "/", "/", "15", "113222"); 
                m_Code128.Rows.Add("16", "0", "0", "16", "123122"); 
                m_Code128.Rows.Add("17", "1", "1", "17", "123221"); 
                m_Code128.Rows.Add("18", "2", "2", "18", "223211"); 
                m_Code128.Rows.Add("19", "3", "3", "19", "221132"); 
                m_Code128.Rows.Add("20", "4", "4", "20", "221231"); 
                m_Code128.Rows.Add("21", "5", "5", "21", "213212"); 
                m_Code128.Rows.Add("22", "6", "6", "22", "223112"); 
                m_Code128.Rows.Add("23", "7", "7", "23", "312131"); 
                m_Code128.Rows.Add("24", "8", "8", "24", "311222"); 
                m_Code128.Rows.Add("25", "9", "9", "25", "321122"); 
                m_Code128.Rows.Add("26", ":", ":", "26", "321221"); 
                m_Code128.Rows.Add("27", ";", ";", "27", "312212"); 
                m_Code128.Rows.Add("28", "<", "<", "28", "322112"); 
                m_Code128.Rows.Add("29", "=", "=", "29", "322211"); 
                m_Code128.Rows.Add("30", ">", ">", "30", "212123"); 
                m_Code128.Rows.Add("31", "?", "?", "31", "212321"); 
                m_Code128.Rows.Add("32", "@", "@", "32", "232121"); 
                m_Code128.Rows.Add("33", "A", "A", "33", "111323"); 
                m_Code128.Rows.Add("34", "B", "B", "34", "131123"); 
                m_Code128.Rows.Add("35", "C", "C", "35", "131321"); 
                m_Code128.Rows.Add("36", "D", "D", "36", "112313"); 
                m_Code128.Rows.Add("37", "E", "E", "37", "132113"); 
                m_Code128.Rows.Add("38", "F", "F", "38", "132311"); 
                m_Code128.Rows.Add("39", "G", "G", "39", "211313"); 
                m_Code128.Rows.Add("40", "H", "H", "40", "231113"); 
                m_Code128.Rows.Add("41", "I", "I", "41", "231311"); 
                m_Code128.Rows.Add("42", "J", "J", "42", "112133"); 
                m_Code128.Rows.Add("43", "K", "K", "43", "112331"); 
                m_Code128.Rows.Add("44", "L", "L", "44", "132131"); 
                m_Code128.Rows.Add("45", "M", "M", "45", "113123"); 
                m_Code128.Rows.Add("46", "N", "N", "46", "113321"); 
                m_Code128.Rows.Add("47", "O", "O", "47", "133121"); 
                m_Code128.Rows.Add("48", "P", "P", "48", "313121"); 
                m_Code128.Rows.Add("49", "Q", "Q", "49", "211331"); 
                m_Code128.Rows.Add("50", "R", "R", "50", "231131"); 
                m_Code128.Rows.Add("51", "S", "S", "51", "213113"); 
                m_Code128.Rows.Add("52", "T", "T", "52", "213311"); 
                m_Code128.Rows.Add("53", "U", "U", "53", "213131"); 
                m_Code128.Rows.Add("54", "V", "V", "54", "311123"); 
                m_Code128.Rows.Add("55", "W", "W", "55", "311321"); 
                m_Code128.Rows.Add("56", "X", "X", "56", "331121"); 
                m_Code128.Rows.Add("57", "Y", "Y", "57", "312113"); 
                m_Code128.Rows.Add("58", "Z", "Z", "58", "312311"); 
                m_Code128.Rows.Add("59", "[", "[", "59", "332111"); 
                m_Code128.Rows.Add("60", "\\", "\\", "60", "314111"); 
                m_Code128.Rows.Add("61", "]", "]", "61", "221411"); 
                m_Code128.Rows.Add("62", "^", "^", "62", "431111"); 
                m_Code128.Rows.Add("63", "_", "_", "63", "111224"); 
                m_Code128.Rows.Add("64", "NUL", "`", "64", "111422"); 
                m_Code128.Rows.Add("65", "SOH", "a", "65", "121124"); 
                m_Code128.Rows.Add("66", "STX", "b", "66", "121421"); 
                m_Code128.Rows.Add("67", "ETX", "c", "67", "141122"); 
                m_Code128.Rows.Add("68", "EOT", "d", "68", "141221"); 
                m_Code128.Rows.Add("69", "ENQ", "e", "69", "112214"); 
                m_Code128.Rows.Add("70", "ACK", "f", "70", "112412"); 
                m_Code128.Rows.Add("71", "BEL", "g", "71", "122114"); 
                m_Code128.Rows.Add("72", "BS", "h", "72", "122411"); 
                m_Code128.Rows.Add("73", "HT", "i", "73", "142112"); 
                m_Code128.Rows.Add("74", "LF", "j", "74", "142211"); 
                m_Code128.Rows.Add("75", "VT", "k", "75", "241211"); 
                m_Code128.Rows.Add("76", "FF", "I", "76", "221114"); 
                m_Code128.Rows.Add("77", "CR", "m", "77", "413111"); 
                m_Code128.Rows.Add("78", "SO", "n", "78", "241112"); 
                m_Code128.Rows.Add("79", "SI", "o", "79", "134111"); 
                m_Code128.Rows.Add("80", "DLE", "p", "80", "111242"); 
                m_Code128.Rows.Add("81", "DC1", "q", "81", "121142"); 
                m_Code128.Rows.Add("82", "DC2", "r", "82", "121241"); 
                m_Code128.Rows.Add("83", "DC3", "s", "83", "114212"); 
                m_Code128.Rows.Add("84", "DC4", "t", "84", "124112"); 
                m_Code128.Rows.Add("85", "NAK", "u", "85", "124211"); 
                m_Code128.Rows.Add("86", "SYN", "v", "86", "411212"); 
                m_Code128.Rows.Add("87", "ETB", "w", "87", "421112"); 
                m_Code128.Rows.Add("88", "CAN", "x", "88", "421211"); 
                m_Code128.Rows.Add("89", "EM", "y", "89", "212141"); 
                m_Code128.Rows.Add("90", "SUB", "z", "90", "214121"); 
                m_Code128.Rows.Add("91", "ESC", "{", "91", "412121"); 
                m_Code128.Rows.Add("92", "FS", "|", "92", "111143"); 
                m_Code128.Rows.Add("93", "GS", "}", "93", "111341"); 
                m_Code128.Rows.Add("94", "RS", "~", "94", "131141"); 
                m_Code128.Rows.Add("95", "US", "DEL", "95", "114113"); 
                m_Code128.Rows.Add("96", "FNC3", "FNC3", "96", "114311"); 
                m_Code128.Rows.Add("97", "FNC2", "FNC2", "97", "411113"); 
                m_Code128.Rows.Add("98", "SHIFT", "SHIFT", "98", "411311"); 
                m_Code128.Rows.Add("99", "CODEC", "CODEC", "99", "113141"); 
                m_Code128.Rows.Add("100", "CODEB", "FNC4", "CODEB", "114131"); 
                m_Code128.Rows.Add("101", "FNC4", "CODEA", "CODEA", "311141"); 
                m_Code128.Rows.Add("102", "FNC1", "FNC1", "FNC1", "411131"); 
                m_Code128.Rows.Add("103", "StartA", "StartA", "StartA", "211412"); 
                m_Code128.Rows.Add("104", "StartB", "StartB", "StartB", "211214"); 
                m_Code128.Rows.Add("105", "StartC", "StartC", "StartC", "211232"); 
                m_Code128.Rows.Add("106", "Stop", "Stop", "Stop", "2331112"); 
                #endregion 
            } 
            /// <summary> 
            /// 获取128图形 
            /// </summary> 
            /// <param name="p_Text">文字</param> 
            /// <param name="p_Code">编码</param>       
            /// <returns>图形</returns> 
            public Bitmap GetCodeImage(string p_Text, Encode p_Code) 
            { 
                string _ViewText = p_Text; 
                string _Text = ""; 
                IList<int> _TextNumb = new List<int>(); 
                int _Examine = 0;  //首位 
                switch (p_Code) 
                { 
                    case Encode.Code128C: 
                        _Examine = 105; 
                        if (!((p_Text.Length & 1) == 0)) throw new Exception("128C长度必须是偶数"); 
                        while (p_Text.Length != 0) 
                        { 
                            int _Temp = 0; 
                            try 
                            { 
                                int _CodeNumb128 = Int32.Parse(p_Text.Substring(0, 2)); 
                            } 
                            catch 
                            { 
                                throw new Exception("128C必须是数字!"); 
                            } 
                            _Text += GetValue(p_Code, p_Text.Substring(0, 2), ref _Temp); 
                            _TextNumb.Add(_Temp); 
                            p_Text = p_Text.Remove(0, 2); 
                        } 
                        break; 
                    case Encode.EAN128: 
                        _Examine = 105; 
                        if (!((p_Text.Length & 1) == 0)) throw new Exception("EAN128长度必须是偶数"); 
                        _TextNumb.Add(102); 
                        _Text += "411131"; 
                        while (p_Text.Length != 0) 
                        { 
                            int _Temp = 0; 
                            try 
                            { 
                                int _CodeNumb128 = Int32.Parse(p_Text.Substring(0, 2)); 
                            } 
                            catch 
                            { 
                                throw new Exception("128C必须是数字!"); 
                            } 
                            _Text += GetValue(Encode.Code128C, p_Text.Substring(0, 2), ref _Temp); 
                            _TextNumb.Add(_Temp); 
                            p_Text = p_Text.Remove(0, 2); 
                        } 
                        break; 
                    default: 
                        if (p_Code == Encode.Code128A) 
                        { 
                            _Examine = 103; 
                        } 
                        else 
                        { 
                            _Examine = 104; 
                        } 
                        while (p_Text.Length != 0) 
                        { 
                            int _Temp = 0; 
                            string _ValueCode = GetValue(p_Code, p_Text.Substring(0, 1), ref _Temp); 
                            if (_ValueCode.Length == 0) throw new Exception("无效的字符集!" + p_Text.Substring(0, 1).ToString()); 
                            _Text += _ValueCode; 
                            _TextNumb.Add(_Temp); 
                            p_Text = p_Text.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 _CodeImage = GetImage(_Text); 
                GetViewText(_CodeImage, _ViewText); 
                return _CodeImage; 
            } 
            /// <summary> 
            /// 获取目标对应的数据 
            /// </summary> 
            /// <param name="p_Code">编码</param> 
            /// <param name="p_Value">数值 A b  30</param> 
            /// <param name="p_SetID">返回编号</param> 
            /// <returns>编码</returns> 
            private string GetValue(Encode p_Code, string p_Value, ref int p_SetID) 
            { 
                if (m_Code128 == null) return ""; 
                DataRow[] _Row = m_Code128.Select(p_Code.ToString() + "='" + p_Value + "'"); 
                if (_Row.Length != 1) throw new Exception("错误的编码" + p_Value.ToString()); 
                p_SetID = Int32.Parse(_Row[0]["ID"].ToString()); 
                return _Row[0]["BandCode"].ToString(); 
            } 
            /// <summary> 
            /// 根据编号获得条纹 
            /// </summary> 
            /// <param name="p_CodeId"></param> 
            /// <returns></returns> 
            private string GetValue(int p_CodeId) 
            { 
                DataRow[] _Row = m_Code128.Select("ID='" + p_CodeId.ToString() + "'"); 
                if (_Row.Length != 1) throw new Exception("验效位的编码错误" + p_CodeId.ToString()); 
                return _Row[0]["BandCode"].ToString(); 
            } 
            /// <summary> 
            /// 获得条码图形 
            /// </summary> 
            /// <param name="p_Text">文字</param> 
            /// <returns>图形</returns> 
            private Bitmap GetImage(string p_Text) 
            { 
                char[] _Value = p_Text.ToCharArray(); 
                int _Width = 0; 
                for (int i = 0; i != _Value.Length; i++) 
                { 
                    _Width += Int32.Parse(_Value[i].ToString()) * (m_Magnify + 1); 
                } 
                Bitmap _CodeImage = new Bitmap(_Width, (int)m_Height); 
                Graphics _Garphics = Graphics.FromImage(_CodeImage); 
                //Pen _Pen; 
                int _LenEx = 0; 
                for (int i = 0; i != _Value.Length; i++) 
                { 
                    int _ValueNumb = Int32.Parse(_Value[i].ToString()) * (m_Magnify + 1);  //获取宽和放大系数 
                    if (!((i & 1) == 0)) 
                    { 
                        //_Pen = new Pen(Brushes.White, _ValueNumb); 
                        _Garphics.FillRectangle(Brushes.White, new Rectangle(_LenEx, 0, _ValueNumb, (int)m_Height)); 
                    } 
                    else 
                    { 
                        //_Pen = new Pen(Brushes.Black, _ValueNumb); 
                        _Garphics.FillRectangle(Brushes.Black, new Rectangle(_LenEx, 0, _ValueNumb, (int)m_Height)); 
                    } 
                    //_Garphics.(_Pen, new Point(_LenEx, 0), new Point(_LenEx, m_Height)); 
                    _LenEx += _ValueNumb; 
                } 
                _Garphics.Dispose(); 
                return _CodeImage; 
            } 
            /// <summary> 
            /// 显示可见条码文字 如果小于40 不显示文字 
            /// </summary> 
            /// <param name="p_Bitmap">图形</param>            
            private void GetViewText(Bitmap p_Bitmap, string p_ViewText) 
            { 
                if (m_ValueFont == null) return; 
                Graphics _Graphics = Graphics.FromImage(p_Bitmap); 
                SizeF _DrawSize = _Graphics.MeasureString(p_ViewText, m_ValueFont); 
                if (_DrawSize.Height > p_Bitmap.Height - 10 || _DrawSize.Width > p_Bitmap.Width) 
                { 
                    _Graphics.Dispose(); 
                    return; 
                } 
                int _StarY = p_Bitmap.Height - (int)_DrawSize.Height; 
                _Graphics.FillRectangle(Brushes.White, new Rectangle(0, _StarY, p_Bitmap.Width, (int)_DrawSize.Height)); 
                _Graphics.DrawString(p_ViewText, m_ValueFont, Brushes.Black, 0, _StarY); 
            } 
            //12345678 
            //(105 + (1 * 12 + 2 * 34 + 3 * 56 + 4 *78)) % 103 = 47 
            //结果为starc +12 +34 +56 +78 +47 +end 
            internal Image GetCodeImage(string p) 
            { 
                throw new NotImplementedException(); 
            } 
        } 
    } 
}