public static void Convert(List <Tiff.PageInfo> il, string dstPath)
{
using (var file_stream = new FileStream(dstPath, FileMode.Create, FileAccess.Write, FileShare.None))
using (var document = new iTextSharp.text.Document())
using (PdfWriter pdfWriter = PdfWriter.GetInstance(document, file_stream))
{
document.SetMargins(0, 0, 0, 0);
document.Open();
foreach (Tiff.PageInfo info in il)
{
try
{
bool needRotate = info.Image.Width > info.Image.Height;
if (needRotate)
{
info.Image.RotateFlip(RotateFlipType.Rotate90FlipNone);
}
Image gif = Image.GetInstance(info.Image,
ImageFormat
.Png);
gif.ScaleAbsolute((float)(info.Image.Width * (72.0 / info.Image.HorizontalResolution)),
(float)(info.Image.Height * (72.0 / info.Image.VerticalResolution)));
gif.SetAbsolutePosition(1, 1);
document.SetPageSize(new Rectangle(gif.ScaledWidth, gif.ScaledHeight));
document.NewPage();
pdfWriter.DirectContent.AddImage(gif);
if (needRotate)
{
pdfWriter.AddPageDictEntry(PdfName.ROTATE, new PdfNumber(270));
}
}
catch (Exception ex)
{
Data.Env.WriteToLog(ex);
return;
}
}
document.Close();
}
}
public static bool AddPagesToPDF(string filename, List <Tiff.PageInfo> images, int page, int from, int to)
{
PdfReader pdfReader = null;
try
{
string password = String.Empty;
try
{
pdfReader = new PdfReader(filename);
if (!pdfReader.IsOpenedWithFullPermissions)
{
throw new BadPasswordException("");
}
}
catch (BadPasswordException)
{
while (!pdfReader.IsOpenedWithFullPermissions)
{
pdfReader.Close();
if (
InputBox.Show(Environment.StringResources.GetString("DocControl_PDF_Encrypted"),
Environment.StringResources.GetString("DocControl_PDF_EnterPass"),
ref password) == DialogResult.Cancel)
{
return(false);
}
try
{
pdfReader = new PdfReader(filename, Encoding.ASCII.GetBytes(password));
}
catch (BadPasswordException)
{
}
catch (Exception ex) { Data.Env.WriteToLog(ex); }
}
}
catch (Exception ex) { Data.Env.WriteToLog(ex); }
if (pdfReader.NumberOfPages == 0)
{
throw new Exception("В документе отсутствуют страницы. Операция сохранения невозможна!");
}
string tmpFileName = Path.GetTempFileName();
int imagesCount = images.Count;
using (var mem_stream = new MemoryStream())
{
using (var document = new iTextSharp.text.Document())
using (PdfWriter pdfWriter = PdfWriter.GetInstance(document, mem_stream))
{
document.OpenDocument();
for (int j = 0; j < imagesCount; j++)
{
Tiff.PageInfo info = images[j];
bool needRotate = info.Image.Width > info.Image.Height;
if (needRotate)
{
info.Image.RotateFlip(RotateFlipType.Rotate90FlipNone);
}
Image gif = Image.GetInstance(info.Image, ImageFormat.Png);
gif.SetAbsolutePosition(0, 0);
gif.ScaleAbsolute((float)(info.Image.Width * (72.0 / info.Image.HorizontalResolution)),
(float)(info.Image.Height * (72.0 / info.Image.VerticalResolution)));
gif.SetAbsolutePosition(1, 1);
document.SetPageSize(new Rectangle(gif.ScaledWidth, gif.ScaledHeight));
document.NewPage();
pdfWriter.DirectContent.AddImage(gif);
if (needRotate)
{
pdfWriter.AddPageDictEntry(PdfName.ROTATE, new PdfNumber(270));
}
}
images.Clear();
pdfWriter.CloseStream = false;
document.CloseDocument();
}
mem_stream.Position = 0;
var addPageReader = new PdfReader(mem_stream);
using (var file_stream = new FileStream(tmpFileName, FileMode.Create, FileAccess.Write, FileShare.None))
using (var document = new iTextSharp.text.Document(pdfReader.GetPageSize(1)))
using (var pdfCopy = new PdfCopy(document, file_stream))
{
document.Open();
if (-1 == page)
{
for (int j = 1; j <= imagesCount; j++)
{
PdfImportedPage pp = pdfCopy.GetImportedPage(addPageReader, j);
pdfCopy.AddPage(pp);
}
}
if (-2 == page)
{
page = pdfReader.NumberOfPages - 1;
}
for (int i = 1; i <= pdfReader.NumberOfPages; i++)
{
PdfImportedPage pp = pdfCopy.GetImportedPage(pdfReader, i);
pdfCopy.AddPage(pp);
if (i == page + 1)
{
for (int j = 1; j <= imagesCount; j++)
{
pp = pdfCopy.GetImportedPage(addPageReader, j);
pdfCopy.AddPage(pp);
}
}
}
document.Close();
if (pdfReader != null)
{
pdfReader.Close();
pdfReader = null;
}
addPageReader.Close();
File.Copy(tmpFileName, filename, true);
File.Delete(tmpFileName);
return(true);
}
}
}
catch (Exception ex) { Data.Env.WriteToLog(ex); }
finally
{
if (pdfReader != null)
{
pdfReader.Close();
}
}
return(false);
}
public override void OnEndPage(PdfWriter writer, Document document)
{
writer.AddPageDictEntry(PdfName.ROTATE, PdfPage.SEASCAPE);
}
public override void OnStartPage(PdfWriter writer, Document document)
{
writer.AddPageDictEntry(PdfName.ROTATE, orientation);
}