static private string WriteCompatiblePdf(string sFilename)
{
// string s = System.IO.Path.GetTempPath();
string sNewPdf = System.IO.Path.GetTempPath() + Guid.NewGuid().ToString() + ".pdf";
sNewPdfs.Add(sNewPdf);
iTextSharp.text.pdf.PdfReader reader = new iTextSharp.text.pdf.PdfReader(sFilename);
// we retrieve the total number of pages
int n = reader.NumberOfPages;
// step 1: creation of a document-object
iTextSharp.text.Document document = new iTextSharp.text.Document(reader.GetPageSizeWithRotation(1));
// step 2: we create a writer that listens to the document
iTextSharp.text.pdf.PdfWriter writer = iTextSharp.text.pdf.PdfWriter.GetInstance(document, new FileStream(sNewPdf, FileMode.Create));
//write pdf that pdfsharp can understand
writer.SetPdfVersion(iTextSharp.text.pdf.PdfWriter.PDF_VERSION_1_4);
// step 3: we open the document
document.Open();
iTextSharp.text.pdf.PdfContentByte cb = writer.DirectContent;
iTextSharp.text.pdf.PdfImportedPage page;
int rotation;
int i = 0;
while (i < n)
{
i++;
document.SetPageSize(reader.GetPageSizeWithRotation(i));
document.NewPage();
page = writer.GetImportedPage(reader, i);
rotation = reader.GetPageRotation(i);
if (rotation == 90 || rotation == 270)
{
cb.AddTemplate(page, 0, -1f, 1f, 0, 0, reader.GetPageSizeWithRotation(i).Height);
}
else
{
cb.AddTemplate(page, 1f, 0, 0, 1f, 0, 0);
}
}
// step 5: we close the document
document.Close();
return(sNewPdf);
}
/// <summary>
/// from http://forum.pdfsharp.net/viewtopic.php?p=2069
/// uses itextsharp to convert any pdf to 1.4 compatible pdf
/// </summary>
static private string WritePdf1pt4Version(string inputPath)
{
var tempFileName = Path.GetTempFileName();
File.Delete(tempFileName);
string outputPath = tempFileName + ".pdf";
iTextSharp.text.pdf.PdfReader reader = new iTextSharp.text.pdf.PdfReader(inputPath);
// we retrieve the total number of pages
int n = reader.NumberOfPages;
// step 1: creation of a document-object
iTextSharp.text.Document document = new iTextSharp.text.Document(reader.GetPageSizeWithRotation(1));
// step 2: we create a writer that listens to the document
iTextSharp.text.pdf.PdfWriter writer = iTextSharp.text.pdf.PdfWriter.GetInstance(document, new FileStream(outputPath, FileMode.Create));
//write pdf that pdfsharp can understand
writer.SetPdfVersion(iTextSharp.text.pdf.PdfWriter.PDF_VERSION_1_4);
// step 3: we open the document
document.Open();
iTextSharp.text.pdf.PdfContentByte cb = writer.DirectContent;
iTextSharp.text.pdf.PdfImportedPage page;
int rotation;
int i = 0;
while (i < n)
{
i++;
document.SetPageSize(reader.GetPageSizeWithRotation(i));
document.NewPage();
page = writer.GetImportedPage(reader, i);
rotation = reader.GetPageRotation(i);
if (rotation == 90 || rotation == 270)
{
cb.AddTemplate(page, 0, -1f, 1f, 0, 0, reader.GetPageSizeWithRotation(i).Height);
}
else
{
cb.AddTemplate(page, 1f, 0, 0, 1f, 0, 0);
}
}
// step 5: we close the document
document.Close();
return(outputPath);
}
public void MergePdf(string[] pdfFiles, string outputPath)
{
int pdfCount = 0;
int f = 0;
string filename = String.Empty;
iTextSharp.text.pdf.PdfReader reader = null;
int pageCount = 0;
iTextSharp.text.Document pdfDoc = null;
iTextSharp.text.pdf.PdfWriter writer = null;
iTextSharp.text.pdf.PdfContentByte cb = null;
iTextSharp.text.pdf.PdfImportedPage page = null;
int rotation = 0;
iTextSharp.text.Font bookmarkFont = iTextSharp.text.FontFactory.GetFont(iTextSharp.text.FontFactory.HELVETICA, 4, iTextSharp.text.Font.BOLD, iTextSharp.text.BaseColor.RED);
try
{
pdfCount = pdfFiles.Length;
if (pdfCount > 1)
{
filename = pdfFiles[f];
reader = new iTextSharp.text.pdf.PdfReader(filename);
pageCount = reader.NumberOfPages;
pdfDoc = new iTextSharp.text.Document(reader.GetPageSizeWithRotation(1), 18, 18, 18, 18);
writer = iTextSharp.text.pdf.PdfWriter.GetInstance(pdfDoc, new System.IO.FileStream(outputPath, System.IO.FileMode.Create));
pdfDoc.AddAuthor("OPGK w Lublinie sp. z o. o. Sławomir Aleksak");
pdfDoc.AddCreator("Konwerter");
pdfDoc.Open();
cb = writer.DirectContent;
while (f < pdfCount)
{
var i = 0;
while (i < pageCount)
{
i += 1;
pdfDoc.SetPageSize(reader.GetPageSizeWithRotation(i));
pdfDoc.NewPage();
if (i == 1)
{
iTextSharp.text.Paragraph para = new iTextSharp.text.Paragraph(System.IO.Path.GetFileName(filename).ToUpper(), bookmarkFont);
iTextSharp.text.Chapter chpter = new iTextSharp.text.Chapter(para, f + 1);
pdfDoc.Add(chpter);
}
page = writer.GetImportedPage(reader, i);
rotation = reader.GetPageRotation(i);
if (rotation == 90)
{
cb.AddTemplate(page, 0, -1.0F, 1.0F, 0, 0, reader.GetPageSizeWithRotation(i).Height);
}
if (rotation == 270)
{
cb.AddTemplate(page, 0, 1.0F, -1.0F, 0, reader.GetPageSizeWithRotation(i).Width + 60, -30);
}
else
{
cb.AddTemplate(page, 1.0F, 0, 0, 1.0F, 0, 0);
}
}
f += 1;
if (f < pdfCount)
{
filename = pdfFiles[f];
reader = new iTextSharp.text.pdf.PdfReader(filename);
pageCount = reader.NumberOfPages;
}
}
pdfDoc.Close();
}
}
catch (Exception ex)
{
throw ex;
}
}
private static void MergeFiles(string destinationFile, string[] sourceFiles)
{
if (System.IO.File.Exists(destinationFile))
{
System.IO.File.Delete(destinationFile);
}
string[] sSrcFile;
sSrcFile = new string[sourceFiles.Count()];
string[] arr = new string[sourceFiles.Count()];
for (int i = 0; i <= sourceFiles.Length - 1; i++)
{
if (sourceFiles[i] != null)
{
if (sourceFiles[i].Trim() != "")
{
arr[i] = sourceFiles[i].ToString();
}
}
}
if (arr != null)
{
sSrcFile = new string[sourceFiles.Count()];
for (int ic = 0; ic <= arr.Length - 1; ic++)
{
sSrcFile[ic] = arr[ic].ToString();
}
}
try
{
int f = 0;
iTextSharp.text.pdf.PdfReader reader = new iTextSharp.text.pdf.PdfReader(sSrcFile[f]);
int n = reader.NumberOfPages;
using (iTextSharp.text.Document document = new iTextSharp.text.Document(iTextSharp.text.PageSize.A4))
{
iTextSharp.text.pdf.PdfWriter writer = iTextSharp.text.pdf.PdfWriter.GetInstance(document, new FileStream(destinationFile, FileMode.Create));
document.Open();
iTextSharp.text.pdf.PdfContentByte cb = writer.DirectContent;
iTextSharp.text.pdf.PdfImportedPage page;
int rotation;
while (f < sSrcFile.Length)
{
int i = 0;
while (i < n)
{
i++;
document.SetPageSize(iTextSharp.text.PageSize.A4);
document.NewPage();
page = writer.GetImportedPage(reader, i);
rotation = reader.GetPageRotation(i);
if (rotation == 90 || rotation == 270)
{
cb.AddTemplate(page, 0, -1f, 1f, 0, 0, reader.GetPageSizeWithRotation(i).Height);
}
else
{
cb.AddTemplate(page, 1f, 0, 0, 1f, 0, 0);
}
//Response.Write("\n Processed page " + i);
}
f++;
if (f < sSrcFile.Length)
{
reader = new iTextSharp.text.pdf.PdfReader(sSrcFile[f]);
n = reader.NumberOfPages;
// Response.Write("There are " + n + " pages in the original file.");
}
}
// Response.Write("Success");
document.Close();
}
}
catch (Exception e)
{
// Response.Write(e.Message);
}
}
