ASP.Net(c#)バーコードcode 39バーコード生成方法

この数日ずっと128バーコードの事をいじって、関連する資料を探して、同じく探し当てていません.その後は仕方なくcode 39のバーコードに変更するしかありません.今それを書いてみんなと分かち合います
1.まず無料のcode 39バーコードフォントをダウンロードする
2.code 39としてクラスを作成し、以下のコードを書き込む

 
  
public sealed class Code39 
  
{ 
  
#region private variables 
  
/// 
 
  
/// The Space Between each of Title, BarCode, BarCodeString 
  
/// 
 
  
private const int SPACE_HEIGHT = 3; 
  
SizeF _sizeLabel = SizeF.Empty; 
  
SizeF _sizeBarCodeValue = SizeF.Empty; 
  
SizeF _sizeBarCodeString = SizeF.Empty; 
  
#endregion 
  
#region Label 
  
private string _label = null; 
  
private Font _labelFont = null; 
  
/// 
 
  
/// BarCode Title (    ) 
  
/// 
 
  
public string Label 
  
{ 
  
set { _label = value; } 
  
} 
  
/// 
 
  
/// BarCode Title Font (         ) 
  
/// 
 
  
public Font LabelFont 
  
{ 
  
get 
  
{ 
  
if (_labelFont == null) 
  
return new Font("Arial", 10); 
  
return _labelFont; 
  
} 
  
set { _labelFont = value; } 
  
} 
  
#endregion 
  
private string _additionalInfo = null; 
  
private Font _addtionalInfoFont = null; 
  
/// 
 
  
/// Additional Info Font (      ) 
  
/// 
 
  
public Font AdditionalInfoFont 
  
{ 
  
set { _addtionalInfoFont = value; } 
  
get 
  
{ 
  
if (_addtionalInfoFont == null) return new Font("Arial", 10); 
  
return _addtionalInfoFont; 
  
} 
  
} 
  
/// 
 
  
/// Additional Info Content, if "ShowBarCodeValue" is true, the info is unvisible 
  
///     ，    ShowBarCodeValue true,       
  
/// 
 
  
public string AdditionalInfo 
  
{ 
  
set { _additionalInfo = value; } 
  
} 
  
#region BarCode Value and Font 
  
private string _barCodeValue = null; 
  
/// 
 
  
/// BarCode Value (   ) 
  
/// 
 
  
public string BarCodeValue 
  
{ 
  
get 
  
{ 
  
if (string.IsNullOrEmpty(_barCodeValue)) 
  
throw new NullReferenceException("The BarCodeValue has not been set yet!"); 
  
return _barCodeValue; 
  
} 
  
set { _barCodeValue = value.StartsWith("*") && value.EndsWith("*") ? value : "*" + value + "*"; } 
  
} 
  
private bool _showBarCodeValue = false; 
  
/// 
 
  
/// whether to show the original string of barcode value bellow the barcode 
  
///             ，   false 
  
/// 
 
  
public bool ShowBarCodeValue 
  
{ 
  
set { _showBarCodeValue = value; } 
  
} 
  
private Font _barCodeValueFont = null; 
  
/// 
 
  
/// the font of the codestring to show 
  
///               
  
/// 
 
  
public Font BarCodeValueFont 
  
{ 
  
get 
  
{ 
  
if (_barCodeValueFont == null) 
  
return new Font("Arial", 10); 
  
return _barCodeValueFont; 
  
} 
  
set { _barCodeValueFont = value; } 
  
} 
  
private int _barCodeFontSize = 50; 
  
/// 
 
  
/// the font size of the barcode value to draw 
  
///        ，  50 
  
/// 
 
  
public int BarCodeFontSzie 
  
{ 
  
set { _barCodeFontSize = value; } 
  
} 
  
#endregion 
  
#region generate the barcode image 
  
private Bitmap BlankBackImage 
  
{ 
  
get 
  
{ 
  
int barCodeWidth = 0, barCodeHeight = 0; 
  
using (Bitmap bmp = new Bitmap(1, 1, PixelFormat.Format32bppArgb)) 
  
{ 
  
using (Graphics g = Graphics.FromImage(bmp)) 
  
{ 
  
if (!string.IsNullOrEmpty(_label)) 
  
{ 
  
_sizeLabel = g.MeasureString(_label, LabelFont); 
  
barCodeWidth = (int)_sizeLabel.Width; 
  
barCodeHeight = (int)_sizeLabel.Height + SPACE_HEIGHT; 
  
} 
  
_sizeBarCodeValue = g.MeasureString(BarCodeValue, new Font("Free 3 of 9 Extended", _barCodeFontSize)); 
  
barCodeWidth = Math.Max(barCodeWidth, (int)_sizeBarCodeValue.Width); 
  
barCodeHeight += (int)_sizeBarCodeValue.Height; 
  
if (_showBarCodeValue) 
  
{ 
  
_sizeBarCodeString = g.MeasureString(_barCodeValue, BarCodeValueFont); 
  
barCodeWidth = Math.Max(barCodeWidth, (int)_sizeBarCodeString.Width); 
  
barCodeHeight += (int)_sizeBarCodeString.Height + SPACE_HEIGHT; 
  
} 
  
//else 
  
//{ 
  
// if (!string.IsNullOrEmpty(_additionalInfo)) 
  
// { 
  
// _sizeAdditionalInfo = g.MeasureString(_additionalInfo, AdditionalInfoFont); 
  
// barCodeWidth = Math.Max(barCodeWidth, (int)_sizeAdditionalInfo.Width); 
  
// barCodeHeight += (int)_sizeAdditionalInfo.Height + SPACE_HEIGHT; 
  
// } 
  
//} 
  
} 
  
} 
  
return new Bitmap(barCodeWidth, barCodeHeight, PixelFormat.Format32bppArgb); 
  
} 
  
} 
  
/// 
 
  
/// Draw the barcode value to the blank back image and output it to the browser 
  
///   WebForm      
  
/// 
 
  
/// Recommand the "Response.OutputStream"    Response.OutputStream 
  
/// The Image format to the Browser            ，  GIF 
  
public Bitmap CreateWebForm(Stream ms, ImageFormat imageFormat) 
  
{ 
  
int barCodeWidth, barCodeHeight; 
  
using (Bitmap bmp = this.BlankBackImage) 
  
{ 
  
barCodeHeight = bmp.Height; 
  
barCodeWidth = bmp.Width; 
  
using (Graphics g = Graphics.FromImage(bmp)) 
  
{ 
  
g.Clear(Color.White); 
  
g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.ClearTypeGridFit; 
  
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality; 
  
int vPos = 0; 
  
////Draw Label String 
  
if (!string.IsNullOrEmpty(_label)) 
  
{ 
  
g.DrawString(_label, LabelFont, new SolidBrush(Color.Black), 
  
XCenter((int)_sizeLabel.Width, barCodeWidth), vPos); 
  
vPos += (int)_sizeLabel.Height + SPACE_HEIGHT; 
  
} 
  
else { vPos = SPACE_HEIGHT; } 
  
////Draw The Bar Value 
  
g.DrawString(_barCodeValue, new Font("Free 3 of 9 Extended", _barCodeFontSize), new SolidBrush(Color.Black), 
  
XCenter((int)_sizeBarCodeValue.Width, barCodeWidth), vPos); 
  
////Draw the BarValue String 
  
if (_showBarCodeValue) 
  
{ 
  
g.DrawString(_barCodeValue, BarCodeValueFont, new SolidBrush(Color.Black), 
  
XCenter((int)_sizeBarCodeString.Width, barCodeWidth), 
  
vPos + (int)_sizeBarCodeValue.Height); 
  
} 
  
//else 
  
//{ 
  
// if (!string.IsNullOrEmpty(_additionalInfo)) 
  
// { 
  
// g.DrawString(_additionalInfo, AdditionalInfoFont, new SolidBrush(Color.Black), 
  
// XCenter((int)_sizeAdditionalInfo.Width, barCodeWidth), 
  
// vPos + (int)_sizeBarCodeValue.Height); 
  
// } 
  
//} 
  
} 
  
bmp.Save(ms, imageFormat); 
  
return bmp; 
  
} 
  
} 
  
/// 
 
  
///   winform      
  
/// 
 
  
///     ，  GIF 
  
/// Stream   
  
public Stream CreateWinForm(ImageFormat imageFormat) 
  
{ 
  
int barCodeWidth, barCodeHeight; 
  
using (Bitmap bmp = this.BlankBackImage) 
  
{ 
  
barCodeHeight = bmp.Height; 
  
barCodeWidth = bmp.Width; 
  
using (Graphics g = Graphics.FromImage(bmp)) 
  
{ 
  
g.Clear(Color.White); 
  
g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.ClearTypeGridFit; 
  
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality; 
  
int vPos = 0; 
  
////Draw Label String 
  
if (!string.IsNullOrEmpty(_label)) 
  
{ 
  
g.DrawString(_label, LabelFont, new SolidBrush(Color.Black), 
  
XCenter((int)_sizeLabel.Width, barCodeWidth), vPos); 
  
vPos += (int)_sizeLabel.Height + SPACE_HEIGHT; 
  
} 
  
else { vPos = SPACE_HEIGHT; } 
  
////Draw The Bar Value 
  
g.DrawString(_barCodeValue, new Font("Free 3 of 9 Extended", _barCodeFontSize), new SolidBrush(Color.Black), 
  
XCenter((int)_sizeBarCodeValue.Width, barCodeWidth), vPos); 
  
////Draw the BarValue String 
  
if (_showBarCodeValue) 
  
{ 
  
g.DrawString(_barCodeValue, BarCodeValueFont, new SolidBrush(Color.Black), 
  
XCenter((int)_sizeBarCodeString.Width, barCodeWidth), 
  
vPos + (int)_sizeBarCodeValue.Height); 
  
} 
  
//else 
  
//{ 
  
// //if (!string.IsNullOrEmpty(_additionalInfo)) 
  
// //{ 
  
// // g.DrawString(_additionalInfo, AdditionalInfoFont, new SolidBrush(Color.Black), 
  
// // //XCenter((int)_sizeAdditionalInfo.Width, barCodeWidth), 
  
// // vPos + (int)_sizeBarCodeValue.Height); 
  
// //} 
  
//} 
  
} 
  
Stream ms = new MemoryStream(); 
  
bmp.Save(ms, imageFormat); 
  
return ms; 
  
} 
  
} 
  
#endregion 
  
private static int XCenter(int subWidth, int globalWidth) 
  
{ 
  
return (globalWidth - subWidth) / 2; 
  
} 
  
} 
  
 
 

3.Webプログラムの場合はCreateWebFormを呼び出し、csプログラムの場合はCreateWinFormを使用します.
4.aspxファイルを新規作成し、以下のコードを書き込む

 
  
protected void Page_Load(object sender, EventArgs e) 
  
{ 
  
Code39 code39 = new Code39(); 
  
code39.BarCodeValue = "LDSO-001"; 
  
code39.BarCodeFontSzie = 60; 
  
// code39.Label = "39 ，      "; 
  
code39.ShowBarCodeValue = true; 
  
Response.Write(code39.CreateWebForm(Response.OutputStream, System.Drawing.Imaging.ImageFormat.Gif)); 
  
code39 = null; 
  
}