private void convertPDF()
{
DirectoryInfo di = new DirectoryInfo(_imagepath);
FileInfo[] files = di.GetFiles("*" + ImageType);
Array.Sort(files, mySort);
Document document = new Document(iTextSharp.text.PageSize.A4, 0, 0, 0, 0);
try
{
PdfWriter pdfWrite = PdfWriter.GetInstance(document, new FileStream(PDFFilePath, FileMode.Create, FileAccess.ReadWrite));
document.Open();
iTextSharp.text.Image image;
document.AddTitle(_book.Title);
foreach (FileInfo file in files)
{
image = iTextSharp.text.Image.GetInstance(file.FullName);
document.SetPageSize(new iTextSharp.text.Rectangle(image.Width, image.Height));
image.Alignment = iTextSharp.text.Image.ALIGN_MIDDLE;
document.NewPage();
document.Add(image);
}
try
{
BookContentNode content = BookContent.GetBookContent(_book.did, _book.PdgPath);
PdfContentByte pdfcontent = pdfWrite.DirectContent;
AddBookContents(pdfWrite, pdfcontent.RootOutline, content);
}
catch (Exception e)
{
if (e is ThreadAbortException)
{
throw e;
}
}
Directory.Delete(_imagepath, true);
}
catch (Exception e)
{
if (e is ThreadAbortException)
{
throw e;
}
throw new Exception("转换PDF时出错");
}
finally
{
if (document != null && document.IsOpen())
{
document.Close();
}
}
}
public static BookContentNode GetBookContent(String did, String codepdgpath)
{
String host = DataExtraction.GetPdgHost(did);
String pdgpath = DecodePdgPath(codepdgpath);
String path = "http://" + host + "/" + pdgpath + "BookContents.dat";
Stream stream = HttpWebResponseUtility.CreateGetHttpResponse(path);
stream.Read(new byte[0x28], 0, 0x28);
StreamReader reader = new StreamReader(ZipUnCode(stream), Encoding.Default);
BookContentNode root = new BookContentNode()
{
Parent = null
};
root.Bookcontent = new BookContentInfo()
{
Title = "root",
Lever = "",
Page = 0,
Reserved = null,
Type = 0
};
BookContentNode curnode = root;
while (!reader.EndOfStream)
{
BookContentNode newnode = new BookContentNode();
String str = reader.ReadLine().Trim();
String[] strlist = str.Split('|');
newnode.Bookcontent = new BookContentInfo()
{
Title = strlist[0].Trim(),
Lever = strlist[1].Trim(),
Page = Int32.Parse(strlist[2].Trim()),
Reserved = strlist[3].Trim(),
Type = Int32.Parse(strlist[4].Trim())
};
int newIndentation = newnode.Bookcontent.Lever.Length;
int curIndentation = curnode.Bookcontent.Lever.Length;
if (newIndentation <= curIndentation)
{
curnode = curnode.Parent;
for (int i = newIndentation; i != curIndentation; i += 2)
{
curnode = curnode.Parent;
}
}
newnode.Parent = curnode;
curnode.Children.Add(newnode);
curnode = newnode;
}
return(root);
}
public void AddBookContents(PdfWriter writer, PdfOutline outline, BookContentNode content)
{
foreach (BookContentNode contentnode in content.Children)
{
int page = contentnode.Bookcontent.Page;
if (page > _book.PagesNum)
{
break;
}
page += _frontpagesinfo.DownloadedPages;
PdfAction action = PdfAction.GotoLocalPage(page, new PdfDestination(PdfDestination.FITB), writer);
AddBookContents(writer, new PdfOutline(outline, action, contentnode.Bookcontent.Title), contentnode);
}
}
public static BookContentNode GetBookContent(String did, String codepdgpath)
{
String host = DataExtraction.GetPdgHost(did);
String pdgpath = DecodePdgPath(codepdgpath);
String path = "http://" + host + "/" + pdgpath + "BookContents.dat";
Stream stream = HttpWebResponseUtility.CreateGetHttpResponse(path);
stream.Read(new byte[0x28], 0, 0x28);
StreamReader reader = new StreamReader(ZipUnCode(stream),Encoding.Default);
BookContentNode root = new BookContentNode() { Parent = null };
root.Bookcontent = new BookContentInfo()
{
Title = "root",
Lever = "",
Page = 0,
Reserved = null,
Type = 0
};
BookContentNode curnode = root;
while (!reader.EndOfStream)
{
BookContentNode newnode = new BookContentNode();
String str = reader.ReadLine().Trim();
String[] strlist = str.Split('|');
newnode.Bookcontent = new BookContentInfo()
{
Title = strlist[0].Trim(),
Lever = strlist[1].Trim(),
Page = Int32.Parse(strlist[2].Trim()),
Reserved = strlist[3].Trim(),
Type = Int32.Parse(strlist[4].Trim())
};
int newIndentation = newnode.Bookcontent.Lever.Length;
int curIndentation = curnode.Bookcontent.Lever.Length;
if(newIndentation <= curIndentation)
{
curnode = curnode.Parent;
for (int i = newIndentation; i != curIndentation; i += 2)
{
curnode = curnode.Parent;
}
}
newnode.Parent = curnode;
curnode.Children.Add(newnode);
curnode = newnode;
}
return root ;
}
public void AddBookContents(PdfWriter writer, PdfOutline outline, BookContentNode content)
{
foreach (BookContentNode contentnode in content.Children)
{
int page = contentnode.Bookcontent.Page;
if (page > _book.PagesNum)
break;
page += _frontpagesinfo.DownloadedPages;
PdfAction action = PdfAction.GotoLocalPage(page, new PdfDestination(PdfDestination.FITB), writer);
AddBookContents(writer, new PdfOutline(outline, action, contentnode.Bookcontent.Title), contentnode);
}
}
