用C實(shí)現(xiàn)生成PDF文檔(原碼)

1、using System;using System.Drawing;using System.Collections;using System.ComponentModel;usingusing System.Data;using System.IO; using System.Text; namespace PDFGenerator/ <summary>/ Form1 的摘要說(shuō)明。/ </summary>public class/ <summary>/ 必需的設(shè)計(jì)器變量。/ </summary>privatenull;public Form1(

2、)/ Windows 窗體設(shè)計(jì)器支持所必需的/InitializeComponent();/ TODO: 在 InitializeComponent 調(diào)用后添加任何構(gòu)造函數(shù)代碼/ <summary>/ 清理所有正在使用的資源。/ </summary>protected override void Dispose( bool disposing )if( disposing )if (components != null) components.Dispose();base.Dispose( disposing );#region Windows 窗體設(shè)計(jì)器生成的代碼/

3、<summary>/ 設(shè)計(jì)器支持所需的方法 - 不要使用代碼編輯器修改/ 此方法的內(nèi)容。/ </summary>private void InitializeComponent()ponents = newthis.Size = newthis.Text = "Form1"#endregionstatic float pageWidth = 594.0f; static float pageDepth = 828.0f; static float pageMargin = 30.0f; static float fontSize = 20.0f; s

4、tatic float leadSize = 10.0f; static StreamWriter pPDF=new StreamWriter("E:myPDF.pdf"); static MemoryStream mPDF= new MemoryStream(); static void ConvertToByteAndAddtoStream(string strMsg) Byte buffer=null; mPDF.Write(buffer,0,buffer.Length); buffer=null; static string xRefFormatting(long

5、xValue) string strMsg =xValue.ToString(); int iLen=strMsg.Length; if (iLen<10) StringBuilder s=new StringBuilder(); int i=10-iLen; s.Append('0',i); strMsg=s.ToString() + strMsg; return strMsg; static void Main(string args) ArrayList xRefs=new ArrayList(); /Byte buffer=null; float yPos =0f

6、; long streamStart=0; long streamEnd=0; long streamLen =0; string strPDFMessage=null; /PDF文檔頭信息 strPDFMessage="%PDF-1.1n" ConvertToByteAndAddtoStream(strPDFMessage); xRefs.Add(mPDF.Length); strPDFMessage="1 0 objn" ConvertToByteAndAddtoStream(strPDFMessage); strPDFMessage="&

7、lt;< /Length 2 0 R >>n" ConvertToByteAndAddtoStream(strPDFMessage); strPDFMessage="streamn" ConvertToByteAndAddtoStream(strPDFMessage); /PDF文檔描述 streamStart=mPDF.Length; /字體 strPDFMessage="BTn/F0 " + fontSize +" Tfn" ConvertToByteAndAddtoStream(strPDFMessa

8、ge); /PDF文檔實(shí)體高度 yPos = pageDepth - pageMargin; strPDFMessage=pageMargin + " " + yPos +" Tdn" ; ConvertToByteAndAddtoStream(strPDFMessage); strPDFMessage= leadSize+" TLn" ; ConvertToByteAndAddtoStream(strPDFMessage); /實(shí)體內(nèi)容 ConvertToByteAndAddtoStream(strPDFMessage); strP

9、DFMessage= "ETn" ConvertToByteAndAddtoStream(strPDFMessage); streamEnd=mPDF.Length; streamLen=streamEnd-streamStart; strPDFMessage= "endstreamnendobjn" ConvertToByteAndAddtoStream(strPDFMessage); /PDF文檔的版本信息 xRefs.Add(mPDF.Length); strPDFMessage="2 0 objn"+ streamLen +

10、"nendobjn" ConvertToByteAndAddtoStream(strPDFMessage); xRefs.Add(mPDF.Length); strPDFMessage="3 0 objn<</Type/Page/Parent 4 0 R/Contents 1 0 R>>nendobjn" ConvertToByteAndAddtoStream(strPDFMessage); xRefs.Add(mPDF.Length); strPDFMessage="4 0 objn<</Type /Pag

11、es /Count 1n" ConvertToByteAndAddtoStream(strPDFMessage); strPDFMessage="/Kidsn3 0 Rnn" ConvertToByteAndAddtoStream(strPDFMessage); strPDFMessage="/Resources<</ProcSet/PDF/Text/Font<</F0 5 0 R>> >>n" ConvertToByteAndAddtoStream(strPDFMessage); strPDFM

12、essage="/MediaBox 0 0 "+ pageWidth + " " + pageDepth + " n>>nendobjn" ConvertToByteAndAddtoStream(strPDFMessage); xRefs.Add(mPDF.Length); strPDFMessage="5 0 objn<</Type/Font/Subtype/Type1/BaseFont/Courier/Encoding/WinAnsiEncoding>>nendobjn" C

13、onvertToByteAndAddtoStream(strPDFMessage); xRefs.Add(mPDF.Length); strPDFMessage="6 0 objn<</Type/Catalog/Pages 4 0 R>>nendobjn" ConvertToByteAndAddtoStream(strPDFMessage); streamStart=mPDF.Length; strPDFMessage="xrefn0 7n0000000000 65535 f n" for(int i=0;i<xRefs.Count;i+) strPDFMessage+=xRefFormatting(long) xRefsi)+" 00000 n n" ConvertToByteAndAddtoStream(strPDFMessage); strPDFMessage="trailern<<n/Size "+ (xRefs.Count+1)+"n/Root 6 0 Rn>>n" Conve