public void SplitPDF(string source_file, string result)
{
string tempPath = result + @"\tmp\";
//Create Folder temporary
// If directory does not exist, create it.
if (!Directory.Exists(tempPath))
{
Directory.CreateDirectory(tempPath);
}
PdfCopy copy;
PdfReader reader = new PdfReader(source_file);
for (int i = 1; i <= reader.NumberOfPages; i++)
{
Document document = new Document();
copy = new PdfCopy(document, new FileStream(tempPath + i + ".pdf", FileMode.Create));
copy.SetFullCompression();
document.Open();
copy.AddPage(copy.GetImportedPage(reader, i));
document.Close();
copy.Close();
}
//X
reader.Close();
}
public virtual void TestFullCompression2()
{
Directory.CreateDirectory("PdfCopyTest/");
String outfile = "PdfCopyTest/out-forms.pdf";
String first = RESOURCES + "subscribe.pdf";
String second = RESOURCES + "filled_form_1.pdf";
FileStream out_ = new FileStream(outfile, FileMode.Create);
PdfReader reader = new PdfReader(first);
PdfReader reader2 = new PdfReader(second);
Document pdfDocument = new Document();
PdfCopy pdfCopy = new PdfCopy(pdfDocument, out_);
pdfCopy.SetMergeFields();
pdfCopy.SetFullCompression();
pdfCopy.CompressionLevel = PdfStream.BEST_COMPRESSION;
pdfDocument.Open();
pdfCopy.AddDocument(reader);
pdfCopy.AddDocument(reader2);
pdfCopy.Close();
reader.Close();
reader2.Close();
reader = new PdfReader("PdfCopyTest/out-forms.pdf");
Assert.NotNull(reader.GetPageN(1));
reader.Close();
}
private void DelPart(string srcFile, string dstFile, int page_from, int page_to, bool savePermission)
{
PdfReader basePDFReader = null;
string tmpF = (srcFile == dstFile) ? Path.GetTempFileName() : dstFile;
FileAttributes fa = FileAttributes.Normal;
try
{
if (srcFile == dstFile)
{
if (((int)File.GetAttributes(srcFile) & (int)FileAttributes.ReadOnly) ==
(int)FileAttributes.ReadOnly)
{
try
{
fa = File.GetAttributes(srcFile);
File.SetAttributes(srcFile, FileAttributes.Normal);
}
catch (Exception ex)
{
ErrorShower.OnShowError(null, ex.Message,
Environment.StringResources.GetString("DocControl_Page_Error1"));
return;
}
FileStream fs = null;
try
{
fs = File.Open(dstFile, FileMode.Append, FileAccess.Write, FileShare.ReadWrite);
}
catch (IOException)
{
ErrorShower.OnShowError(null,
string.Format(
Environment.StringResources.GetString("DocControl_PDF_FileBusy"),
dstFile),
Environment.StringResources.GetString("DocControl_Page_Error1"));
return;
}
catch (UnauthorizedAccessException ue)
{
ErrorShower.OnShowError(null, ue.Message,
Environment.StringResources.GetString("DocControl_Page_Error1"));
return;
}
finally
{
if (fs != null)
{
fs.Close();
}
}
}
}
using (
var fio = new FileStream(srcFile, FileMode.Open, FileAccess.Read,
FileShare.ReadWrite | FileShare.Delete))
{
string password = String.Empty;
try
{
fio.Position = 0;
basePDFReader = new PdfReader(fio, Encoding.UTF8.GetBytes(password));
if (!basePDFReader.IsOpenedWithFullPermissions)
{
throw new BadPasswordException("");
}
}
catch (BadPasswordException)
{
while (basePDFReader == null || !basePDFReader.IsOpenedWithFullPermissions)
{
if (basePDFReader != null)
{
basePDFReader.Close();
}
password = String.Empty;
if (
Controls.PdfViewControl.InputBox.Show(Environment.StringResources.GetString("DocControl_PDF_Encrypted"),
Environment.StringResources.GetString("DocControl_PDF_EnterPass"),
ref password) == DialogResult.Cancel)
{
return;
}
try
{
fio.Position = 0;
basePDFReader = new PdfReader(fio, Encoding.UTF8.GetBytes(password));
}
catch (BadPasswordException)
{
}
}
}
if (basePDFReader.NumberOfPages == 0)
{
throw new Exception("В документе отсутствуют страницы. Операция сохранения невозможна!");
}
page_from = (page_from <= 0 || page_from > basePDFReader.NumberOfPages) ? 1 : page_from;
page_to = (page_to <= 0 || page_to > basePDFReader.NumberOfPages)
? basePDFReader.NumberOfPages
: page_to;
if ((page_to - page_from + 1) == basePDFReader.NumberOfPages)
{
return;
}
int i = page_from - 1;
int j = 1;
var pages = new int[basePDFReader.NumberOfPages];
pages = pages.Select(x => x = j++).ToArray();
pages = pages.Where(x => x <page_from || x> page_to).ToArray();
using (var file_stream = new FileStream(tmpF, FileMode.Create, FileAccess.Write, FileShare.None))
using (var document = new iTextSharp.text.Document())
using (var pdfWriter = new PdfCopy(document, file_stream))
{
pdfWriter.CompressionLevel = PdfStream.BEST_COMPRESSION;
pdfWriter.SetFullCompression();
pdfWriter.RotateContents = true;
if (savePermission && password != String.Empty)
{
pdfWriter.SetEncryption(null, Encoding.UTF8.GetBytes(password), basePDFReader.Permissions,
PdfWriter.STANDARD_ENCRYPTION_128);
}
document.Open();
foreach (int numberPage in pages)
{
PdfImportedPage pp = pdfWriter.GetImportedPage(basePDFReader, numberPage);
pdfWriter.AddPage(pp);
}
document.Close();
}
}
if (srcFile == dstFile)
{
File.Copy(tmpF, dstFile, true);
}
}
catch (Exception ex)
{
Data.Env.WriteToLog(ex);
}
finally
{
if (basePDFReader != null)
{
basePDFReader.Close();
}
if (srcFile == dstFile)
{
Slave.DeleteFile(tmpF);
if (fa != File.GetAttributes(dstFile))
{
try
{
File.SetAttributes(dstFile, fa);
}
catch (Exception ex)
{
Data.Env.WriteToLog(ex);
}
}
}
}
}
