| public AddDocListener ( IDocListener listener ) : void | ||
| listener | IDocListener | the new IDocListener |
| return | void | |
public static List <byte[]> Split(PdfReader reader)
{
int p = 0;
Document document;
var data = new List <byte[]>();
for (p = 1; p <= reader.NumberOfPages; p++)
{
using (MemoryStream memoryStream = new MemoryStream())
{
document = new iTextSharp.text.Document();
PdfWriter writer = PdfWriter.GetInstance(document, memoryStream);
writer.SetPdfVersion(PdfWriter.PDF_VERSION_1_2);
writer.CompressionLevel = PdfStream.BEST_COMPRESSION;
writer.SetFullCompression();
document.SetPageSize(reader.GetPageSize(p));
document.NewPage();
document.Open();
document.AddDocListener(writer);
PdfContentByte cb = writer.DirectContent;
PdfImportedPage pageImport = writer.GetImportedPage(reader, p);
int rot = reader.GetPageRotation(p);
if (rot == 90 || rot == 270)
{
cb.AddTemplate(pageImport, 0, -1.0F, 1.0F, 0, 0, reader.GetPageSizeWithRotation(p).Height);
}
else
{
cb.AddTemplate(pageImport, 1.0F, 0, 0, 1.0F, 0, 0);
}
document.Close();
document.Dispose();
//File.WriteAllBytes(DestinationFolder + "/" + p + ".pdf", memoryStream.ToArray());
data.Add(memoryStream.ToArray());
if (OnSplitProcess != null)
{
OnSplitProcess(p, null);
}
}
}
reader.Close();
reader.Dispose();
return(data);
}
public void ExtractPages(string inputFile, string outputFile,
List<int> extractPages, System.Windows.Forms.ProgressBar progres)
{
if (inputFile == outputFile)
{
System.Windows.Forms.MessageBox.Show("Nie możesz użyć pliku wejściowego jako wyjściowego do zapisu.");
}
PdfReader inputPDF = new PdfReader(inputFile);
Document doc = new Document();
PdfReader reader = new PdfReader(inputFile);
progres.Maximum = reader.NumberOfPages;
using (MemoryStream memoryStream = new MemoryStream())
{
PdfWriter writer = PdfWriter.GetInstance(doc, memoryStream);
doc.Open();
doc.AddDocListener(writer);
for (int i = 1; i <= reader.NumberOfPages; i++)
{
progres.Value = i;
if (extractPages.FindIndex(s => s == i) == -1) continue;
doc.SetPageSize(reader.GetPageSize(i));
doc.NewPage();
PdfContentByte cb = writer.DirectContent;
PdfImportedPage pageImport = writer.GetImportedPage(reader, i);
int rot = reader.GetPageRotation(i);
if (rot == 90 || rot == 270)
{
cb.AddTemplate(pageImport, 0, -1.0F, 1.0F, 0, 0, reader.GetPageSizeWithRotation(i).Height);
}
else
{
cb.AddTemplate(pageImport, 1.0F, 0, 0, 1.0F, 0, 0);
}
}
reader.Close();
doc.Close();
try
{
File.WriteAllBytes(outputFile, memoryStream.ToArray());
}
catch
{
throw new Exception("Błąd przy próbie zapisu do pliku. Upewnij się iż żaden inny proces obecnie go nie używa.");
}
}
}
/**
* Constructs a new RtfWriter that listens to the specified Document and
* writes its output to the Stream.
*
* @param doc The Document that this RtfWriter listens to
* @param os The Stream to write to
*/
protected RtfWriter2(Document doc, Stream os) : base(doc, os) {
doc.AddDocListener(this);
rtfDoc = new RtfDocument();
}
/**
* Constructor
* @param document
* @param os outputstream
*/
public PdfCopy(Document document, Stream os)
: base(new PdfDocument(), os)
{
document.AddDocListener(pdf);
pdf.AddWriter(this);
indirectMap = new Dictionary<PdfReader,Dictionary<RefKey,IndirectReferences>>();
}
/**
* Use this method to get an instance of the <CODE>PdfWriter</CODE>.
*
* @return a new <CODE>PdfWriter</CODE>
* @param document The <CODE>Document</CODE> that has to be written
* @param os The <CODE>Stream</CODE> the writer has to write to.
* @param listener A <CODE>DocListener</CODE> to pass to the PdfDocument.
* @throws DocumentException on error
*/
public static PdfWriter GetInstance(Document document, Stream os, IDocListener listener)
{
PdfDocument pdf = new PdfDocument();
pdf.AddDocListener(listener);
document.AddDocListener(pdf);
PdfWriter writer = new PdfWriter(pdf, os);
pdf.AddWriter(writer);
return writer;
}
/**
* Constructor
* @param document
* @param os outputstream
*/
public PdfCopy(Document document, Stream os) : base(new PdfDocument(), os) {
document.AddDocListener(pdf);
pdf.AddWriter(this);
indirectMap = new Hashtable();
}
/**
* @Method open a existing pdf file
* @Param path path of pdfFile
* @Return returns true if the file was opened or false if file couldn't be opened
*/
private bool open(DocumentData pdfDoc)
{
String path;
pdfDoc.Docsignedpath = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData)+ "\\"+ pdfDoc.Idoperation + "\\signed\\" + pdfDoc.Docname;
if (pdfDoc.documentHasBeenSigned())
{
path = pdfDoc.Docpath + "-signed.pdf";
//signedpath =
}
else
{
path = pdfDoc.Docpath;
}
if (File.Exists(pdfDoc.Docpath))
{
doc = new Document();
reader = new PdfReader(path);
fos = new FileStream(pdfDoc.Docsignedpath, FileMode.Create, FileAccess.Write);
writer = PdfWriter.GetInstance(doc, fos);
doc.Open();
doc.AddDocListener(writer);
return true;
}
return false;
}
