C#绘制条码CODE39和CODE39全码模式

http://blog.csdn.net/zgke/article/details/3503845

 

 

C#绘制Code39和Code39全码模式

BarCode:Code39.cs

using System;

using System.Collections;

using System.Drawing;

using System.Globalization;

namespace WG_30

{

    class Code39

    {

        private readonly Hashtable _mCode39 = new Hashtable();

        private byte _mMagnify;

        /// <summary>

        /// 放大倍数

        /// </summary>

        public byte Magnify { get { return _mMagnify; } set { _mMagnify = value; } }

        private int _mHeight = 40;

        /// <summary>

        /// 图形高

        /// </summary>

        public int Height { get { return _mHeight; } set { _mHeight = value; } }

        private Font _mViewFont;

        /// <summary>

        /// 字体大小

        /// </summary>

        public Font ViewFont { get { return _mViewFont; } set { _mViewFont = value; } }

        public Code39()

        {

            _mCode39.Add("A", "1101010010110");

            _mCode39.Add("B", "1011010010110");

            _mCode39.Add("C", "1101101001010");

            _mCode39.Add("D", "1010110010110");

            _mCode39.Add("E", "1101011001010");

            _mCode39.Add("F", "1011011001010");

            _mCode39.Add("G", "1010100110110");

            _mCode39.Add("H", "1101010011010");

            _mCode39.Add("I", "1011010011010");

            _mCode39.Add("J", "1010110011010");

            _mCode39.Add("K", "1101010100110");

            _mCode39.Add("L", "1011010100110");

            _mCode39.Add("M", "1101101010010");

            _mCode39.Add("N", "1010110100110");

            _mCode39.Add("O", "1101011010010");

            _mCode39.Add("P", "1011011010010");

            _mCode39.Add("Q", "1010101100110");

            _mCode39.Add("R", "1101010110010");

            _mCode39.Add("S", "1011010110010");

            _mCode39.Add("T", "1010110110010");

            _mCode39.Add("U", "1100101010110");

            _mCode39.Add("V", "1001101010110");

            _mCode39.Add("W", "1100110101010");

            _mCode39.Add("X", "1001011010110");

            _mCode39.Add("Y", "1100101101010");

            _mCode39.Add("Z", "1001101101010");

            _mCode39.Add("0", "1010011011010");

            _mCode39.Add("1", "1101001010110");

            _mCode39.Add("2", "1011001010110");

            _mCode39.Add("3", "1101100101010");

            _mCode39.Add("4", "1010011010110");

            _mCode39.Add("5", "1101001101010");

            _mCode39.Add("6", "1011001101010");

            _mCode39.Add("7", "1010010110110");

            _mCode39.Add("8", "1101001011010");

            _mCode39.Add("9", "1011001011010");

            _mCode39.Add("+", "1001010010010");

            _mCode39.Add("-", "1001010110110");

            _mCode39.Add("*", "1001011011010");

            _mCode39.Add("/", "1001001010010");

            _mCode39.Add("%", "1010010010010");

            _mCode39.Add("$", "1001001001010");

            _mCode39.Add(".", "1100101011010");

            _mCode39.Add(" ", "1001101011010");

        }

        public enum Code39Model

        {

            /// <summary>

            /// 基本类别 1234567890ABC

            /// </summary>

            Code39Normal,

            /// <summary>

            /// 全ASCII方式 +A+B 来表示小写

            /// </summary>

            Code39FullAscIi

        }

        /// <summary>

        /// 获得条码图形

        /// </summary>

        /// <param name="pText">文字信息</param>

        /// <param name="pModel">类别</param>

        /// <param name="pStarChar">是否增加前后*号</param>

        /// <returns>图形</returns>

        public Bitmap GetCodeImage(string pText, Code39Model pModel, bool pStarChar)

        {

            string valueText = "";

            string codeText = "";

            char[] valueChar;

            switch (pModel)

            {

                case Code39Model.Code39Normal:

                    valueText = pText.ToUpper();

                    break;

                default:

                    valueChar = pText.ToCharArray();

                    for (int i = 0; i != valueChar.Length; i++)

                    {

                        if ((int)valueChar[i] >= 97 && (int)valueChar[i] <= 122)

                        {

                            valueText += "+" + valueChar[i].ToString(CultureInfo.InvariantCulture).ToUpper();

                        }

                        else

                        {

                            valueText += valueChar[i].ToString(CultureInfo.InvariantCulture);

                        }

                    }

                    break;

            }

            valueChar = valueText.ToCharArray();

            if (pStarChar) codeText += _mCode39["*"];

            for (int i = 0; i != valueChar.Length; i++)

            {

                if (pStarChar && valueChar[i] == '*') throw new Exception("带有起始符号不能出现*");

                object charCode = _mCode39[valueChar[i].ToString(CultureInfo.InvariantCulture)];

                if (charCode == null) throw new Exception("不可用的字符" + valueChar[i].ToString(CultureInfo.InvariantCulture));

                codeText += charCode.ToString();

            }

            if (pStarChar) codeText += _mCode39["*"];

            Bitmap codeBmp = GetImage(codeText);

            GetViewImage(codeBmp, pText);

            return codeBmp;

        }

        /// <summa
4000
ry>

        /// 绘制编码图形

        /// </summary>

        /// <param name="pText">编码</param>

        /// <returns>图形</returns>

        private Bitmap GetImage(string pText)

        {

            char[] value = pText.ToCharArray();

            //宽 == 需要绘制的数量*放大倍数 + 两个字的宽

            Bitmap codeImage = new Bitmap(value.Length * ((int)_mMagnify + 1), (int)_mHeight);

            Graphics garphics = Graphics.FromImage(codeImage);

            garphics.FillRectangle(Brushes.White, new Rectangle(0, 0, codeImage.Width, codeImage.Height));

            int lenEx = 0;

            for (int i = 0; i != value.Length; i++)

            {

                int drawWidth = _mMagnify + 1;

                garphics.FillRectangle(value[i] != '1' ? Brushes.White : Brushes.Black,

                                       new Rectangle(lenEx, 0, drawWidth, _mHeight));

                lenEx += drawWidth;

            }

            garphics.Dispose();

            return codeImage;

        }

        /// <summary>

        /// 绘制文字

        /// </summary>

        /// <param name="pCodeImage">图形</param>

        /// <param name="pText">文字</param>

        private void GetViewImage(Bitmap pCodeImage, string pText)

        {

            if (_mViewFont == null) return;

            Graphics graphics = Graphics.FromImage(pCodeImage);

            SizeF fontSize = graphics.MeasureString(pText, _mViewFont);

            if (fontSize.Width > pCodeImage.Width || fontSize.Height > pCodeImage.Height - 20)

            {

                graphics.Dispose();

                return;

            }

            int starHeight = pCodeImage.Height - (int)fontSize.Height;

            graphics.FillRectangle(Brushes.White, new Rectangle(0, starHeight, pCodeImage.Width, (int)fontSize.Height));

            int starWidth = (pCodeImage.Width - (int)fontSize.Width) / 2;

            graphics.DrawString(pText, _mViewFont, Brushes.Black, starWidth, starHeight);

            graphics.Dispose();

        }

    }

}

 

 

using System;

using System.Data;

using System.Drawing;

using System.Globalization;

using System.Windows.Forms;

using System.Drawing.Printing;

private void form1_Load(object sender, EventArgs e)

{

    ////A5 830*580(in英寸), A4 1170*830(in英寸)

    ////830,580是更改的重点，"A5"可改，可不改

    //PaperSize ps = new PaperSize("A5 (210 x 148 mm)", 827, 574);

    PaperSize ps = new PaperSize("A4 (210 x 148 mm)", 830, 1170);

    //横向打印，不可忽略，在Canon打印机上会出现问题，上面的830，1170不可任意更改

    _pdc.DefaultPageSettings.Landscape = true;

    _pdc.DefaultPageSettings.PaperSize = ps;

    printPreviewControl1.Document = _pdc;

    printPreviewControl1.Zoom = 1.3;

    int a = Dspnt.Tables[0].Rows.Count;

    if (a%25 == 0)

        C = a/25;

    else

        C = a/25 + 1;

    //显示共有多少页

    _pdc.DocumentName = C.ToString(CultureInfo.InvariantCulture);

    B = 0;

    //使用自定义

    _pdc.PrintPage += Zdy;

}

//如何使用Code39(Barcode)

private void button1_Click(object sender, EventArgs e)

{

    Code39 c39 = new Code39();

    c39.Height = 120;

    c39.Magnify = 1;

    c39.ViewFont = new Font("宋体", 20);

    pictureBox1.Image = c39.GetCodeImage(this.textBox1.Text.Trim().ToUpper(), Code39.Code39Model.Code39Normal, true);

    pictureBox1.Image.Save(@"C:/1.JPG");

}

//如果自定义绘制图形

private static Bitmap _barcode;

private static void Zdy(object sender, PrintPageEventArgs e)

{

    var c39 = new Code39();

    c39.Height = 70;

    c39.Magnify = 1;

    c39.ViewFont = new Font("宋体", 20);

    string txt = dt.Rows[0]["po"].ToString().ToUpper().Trim();

    //此处用到Code39类

    _barcode = c39.GetCodeImage(dt, Code39.Code39Model.Code39Normal, true);

}