绘制条码CODE39和CODE39全码模式代码,CSharp代码库,德仔网

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【CSharp】绘制条码CODE39和CODE39全码模式
作者:zgke / 发布于2014/7/29/ 895

	使用

	MyImage.BandCode.Code39 _Code39 = new MyImage.BandCode.Code39();
	 _Code39.Height = 120;
	 _Code39.Magnify = 1;
	 _Code39.ViewFont = new Font("宋体", 20);
	 pictureBox1.Image = _Code39.GetCodeImage("123ABC4567890", MyImage.BandCode.Code39.Code39Model.Code39Normal, true);
	 pictureBox1.Image.Save(@"C:/1.bmp");

	全部代码

	using System;
	using System.Collections;
	using System.ComponentModel;
	using System.Drawing;
	using System.Data;
	namespace MyImage.BandCode
	{
	 /// <summary>
	 /// Code39编码
	 /// zgke@sina.com
	 /// qq:116149
	 /// </summary>
	 public class Code39
	 {
	 private Hashtable m_Code39 = new Hashtable();
	 private byte m_Magnify = 0;
	 /// <summary>
	 /// 放大倍数
	 /// </summary>
	 public byte Magnify { get {return m_Magnify; }set{m_Magnify=value;} }
	
	 private int m_Height = 40;
	 /// <summary>
	 /// 图形高
	 /// </summary>
	 public int Height { get { return m_Height; } set { m_Height = value; } }
	
	 private Font m_ViewFont = null;
	 /// <summary>
	 /// 字体大小
	 /// </summary>
	 public Font ViewFont { get { return m_ViewFont; } set { m_ViewFont = value; } }
	
	 public Code39()
	 {
	
	 m_Code39.Add("A", "1101010010110");
	 m_Code39.Add("B", "1011010010110");
	 m_Code39.Add("C", "1101101001010");
	 m_Code39.Add("D", "1010110010110");
	 m_Code39.Add("E", "1101011001010");
	 m_Code39.Add("F", "1011011001010");
	 m_Code39.Add("G", "1010100110110");
	 m_Code39.Add("H", "1101010011010");
	 m_Code39.Add("I", "1011010011010");
	 m_Code39.Add("J", "1010110011010");
	 m_Code39.Add("K", "1101010100110");
	 m_Code39.Add("L", "1011010100110");
	 m_Code39.Add("M", "1101101010010");
	 m_Code39.Add("N", "1010110100110");
	 m_Code39.Add("O", "1101011010010");
	 m_Code39.Add("P", "1011011010010");
	 m_Code39.Add("Q", "1010101100110");
	 m_Code39.Add("R", "1101010110010");
	 m_Code39.Add("S", "1011010110010");
	 m_Code39.Add("T", "1010110110010");
	 m_Code39.Add("U", "1100101010110");
	 m_Code39.Add("V", "1001101010110");
	 m_Code39.Add("W", "1100110101010");
	 m_Code39.Add("X", "1001011010110");
	 m_Code39.Add("Y", "1100101101010");
	 m_Code39.Add("Z", "1001101101010");
	 m_Code39.Add("0", "1010011011010");
	 m_Code39.Add("1", "1101001010110");
	 m_Code39.Add("2", "1011001010110");
	 m_Code39.Add("3", "1101100101010");
	 m_Code39.Add("4", "1010011010110");
	 m_Code39.Add("5", "1101001101010");
	 m_Code39.Add("6", "1011001101010");
	 m_Code39.Add("7", "1010010110110");
	 m_Code39.Add("8", "1101001011010");
	 m_Code39.Add("9", "1011001011010");
	 m_Code39.Add("+", "1001010010010");
	 m_Code39.Add("-", "1001010110110");
	 m_Code39.Add("*", "1001011011010");
	 m_Code39.Add("/", "1001001010010");
	 m_Code39.Add("%", "1010010010010");
	 m_Code39.Add("$", "1001001001010");
	 m_Code39.Add(".", "1100101011010");
	 m_Code39.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="p_Text">文字信息</param>
	 /// <param name="p_Model">类别</param>
	 /// <param name="p_StarChar">是否增加前后*号</param>
	 /// <returns>图形</returns>
	 public Bitmap GetCodeImage(string p_Text, Code39Model p_Model, bool p_StarChar)
	 {
	 string _ValueText = "";
	 string _CodeText = "";
	 char[] _ValueChar = null;
	 switch (p_Model)
	 {
	 case Code39Model.Code39Normal:
	 _ValueText = p_Text.ToUpper();
	 break;
	 default:
	 _ValueChar=p_Text.ToCharArray();
	 for (int i = 0; i != _ValueChar.Length; i++)
	 {
	 if ((int)_ValueChar[i] >= 97 && (int)_ValueChar[i] <= 122)
	 {
	 _ValueText +="+"+ _ValueChar[i].ToString().ToUpper();
	
	 }
	 else
	 {
	 _ValueText += _ValueChar[i].ToString();
	 }
	 }
	 break;
	 }
	 _ValueChar = _ValueText.ToCharArray();
	 if (p_StarChar == true) _CodeText += m_Code39["*"];
	 for (int i = 0; i != _ValueChar.Length; i++)
	 {
	 if (p_StarChar==true && _ValueChar[i] == '*') throw new Exception("带有起始符号不能出现*");
	 object _CharCode=m_Code39[_ValueChar[i].ToString()];
	 if (_CharCode == null) throw new Exception("不可用的字符" + _ValueChar[i].ToString());
	 _CodeText += _CharCode.ToString();
	 }
	 if (p_StarChar == true) _CodeText += m_Code39["*"];
	
	 Bitmap _CodeBmp = GetImage(_CodeText);
	 GetViewImage(_CodeBmp, p_Text);
	 return _CodeBmp;
	 }
	
	 /// <summary>
	 /// 绘制编码图形
	 /// </summary>
	 /// <param name="p_Text">编码</param>
	 /// <returns>图形</returns>
	 private Bitmap GetImage(string p_Text)
	 {
	 char[] _Value = p_Text.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)m_Magnify + 1) , (int)m_Height);
	 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 = m_Magnify + 1;
	 if (_Value[i] == '1')
	 {
	 _Garphics.FillRectangle(Brushes.Black, new Rectangle(_LenEx, 0, _DrawWidth, m_Height));
	 }
	 else
	 {
	 _Garphics.FillRectangle(Brushes.White, new Rectangle(_LenEx, 0, _DrawWidth, m_Height));
	 }
	 _LenEx += _DrawWidth;
	 }
	
	 _Garphics.Dispose();
	 return _CodeImage;
	 }
	 /// <summary>
	 /// 绘制文字
	 /// </summary>
	 /// <param name="p_CodeImage">图形</param>
	 /// <param name="p_Text">文字</param>
	 private void GetViewImage(Bitmap p_CodeImage,string p_Text)
	 {
	 if (m_ViewFont == null) return;
	 Graphics _Graphics = Graphics.FromImage(p_CodeImage);
	 SizeF _FontSize = _Graphics.MeasureString(p_Text, m_ViewFont);
	 if (_FontSize.Width > p_CodeImage.Width || _FontSize.Height > p_CodeImage.Height - 20)
	 {
	 _Graphics.Dispose();
	 return;
	 }
	 int _StarHeight = p_CodeImage.Height - (int)_FontSize.Height;
	 _Graphics.FillRectangle(Brushes.White, new Rectangle(0, _StarHeight, p_CodeImage.Width,(int)_FontSize.Height));
	 int _StarWidth = (p_CodeImage.Width - (int)_FontSize.Width) / 2;
	 _Graphics.DrawString(p_Text, m_ViewFont, Brushes.Black, _StarWidth, _StarHeight);
	 _Graphics.Dispose();
	 }
	 }
	}
试试其它关键字
　绘制条码CODE39　　CODE39全码　
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