public static Blob.Blob MergePdfBlobsToC(List<Blob.Blob> blobsParam, ref Dictionary<string, int> pages)
{
blobsParam = blobsParam
.Where(el => el != null && el.Data != null)
.ToList();
//Dictionary of file names (for display purposes) and their page numbers
//var pages = new Dictionary<string, int>();
//PDFs start at page 1
var lastPageNumber = 1;
//Will hold the final merged PDF bytes
byte[] mergedBytes;
//Most everything else below is standard
using (var ms = new MemoryStream())
{
using (var document = new Document())
{
using (var writer = new PdfCopy(document, ms))
{
document.Open();
foreach (var blob in blobsParam)
{
//Add the current page at the previous page number
pages.Add(blob.Name, lastPageNumber);
using (var reader = new PdfReader(blob.Data))
{
writer.AddDocument(reader);
//Increment our current page index
lastPageNumber += reader.NumberOfPages;
}
}
document.Close();
}
}
mergedBytes = ms.ToArray();
}
//Will hold the final PDF
// byte[] finalBytes;
// using (var ms = new MemoryStream())
// {
// using (var reader = new PdfReader(mergedBytes))
// {
// using (var stamper = new PdfStamper(reader, ms))
// {
//
// //The page number to insert our TOC into
// var tocPageNum = reader.NumberOfPages + 1;
//
// //Arbitrarily pick one page to use as the size of the PDF
// //Additional logic could be added or this could just be set to something like PageSize.LETTER
// var tocPageSize = reader.GetPageSize(1);
//
// //Arbitrary margin for the page
// var tocMargin = 20;
//
// //Create our new page
// stamper.InsertPage(tocPageNum, tocPageSize);
//
// //Create a ColumnText object so that we can use abstractions like Paragraph
// var ct = new ColumnText(stamper.GetOverContent(tocPageNum));
//
// //Set the working area
// ct.SetSimpleColumn(tocPageSize.GetLeft(tocMargin), tocPageSize.GetBottom(tocMargin),
// tocPageSize.GetRight(tocMargin), tocPageSize.GetTop(tocMargin));
//
// //Loop through each page
// foreach (var page in pages)
// {
// var link = new Chunk(page.Key);
// var action = PdfAction.GotoLocalPage(page.Value, new PdfDestination(PdfDestination.FIT),
// stamper.Writer);
// link.SetAction(action);
// ct.AddElement(new Paragraph(link));
// }
//
// ct.Go();
// }
// }
// finalBytes = ms.ToArray();
// }
var toReturn = new Blob.Blob { Data = mergedBytes/*finalBytes*/ };
return toReturn;
}
/// <inheritdoc />
public Face(Blob.Blob blob, uint index = 0)
{
Handle = Api.hb_face_create(blob.Handle, index);
}
public static Blob.Blob MergePdfBlobs(List<Blob.Blob> blobsParam, bool isHorizontal)
{
var pdfReaders = blobsParam
.Where(el => el != null && el.Data != null)
.Select(el => new PdfReader(el.Data))
.ToList();
var document = isHorizontal
? new Document(PageSize.A4.Rotate(), 0, 0, 0, 0)
: new Document(PageSize.A4, 0, 0, 0, 0);
using (var outputStream = new MemoryStream())
{
using (var writer = PdfWriter.GetInstance(document, outputStream))
{
document.Open();
foreach (var reader in pdfReaders)
{
for (int i = 1; i <= reader.NumberOfPages; i++)
{
var page = writer.GetImportedPage(reader, i);
document.Add(iTextSharp.text.Image.GetInstance(page));
}
}
document.Close();
var toReturn = new Blob.Blob {Data = outputStream.GetBuffer()};
return toReturn;
}
}
}
public virtual IList<Immagine> UploadImages(IEnumerable<HttpPostedFileBase> files, string IDPadre, string TipoPadre, bool fileSingolo)
{
IList<Immagine> toReturn = new List<Immagine>();
foreach (HttpPostedFileBase el in files)
{
string extension = Path.GetExtension(el.FileName);
if (ImageHelper.isValidImageExtension(extension))
{
var imgToSave = new Immagine
{
FlagPrincipale = fileSingolo,
FlagPubblica = fileSingolo,
Estensione = extension,
IDPadre = IDPadre,
TipoPadre = TipoPadre,
IDFileImmagine = "no-image"
};
_repository.SaveOrUpdate(imgToSave);
imgToSave.IDFileImmagine = imgToSave.Id;
//try
//{
// el.SaveAs(imageFileName);
//}
//catch (Exception exception)
//{
// throw;
//}
var imageData = ResizeBeforeAzureUpload(el, imgToSave);
// Blocco per il salvataggio su azure
try
{
// using (var ms = new MemoryStream())
// {
// el.InputStream.CopyTo(ms);
var blob = new Blob.Blob
{
Name = ImageHelper.BuildFileName(imgToSave),
//salva su azure con nome file = ID.estensione
MimeType = el.ContentType ?? AttachmentHelper.GetExtensionMimeType(extension),
Data = imageData//ms.ToArray(),
};
_blobManager.Set(blob);
// }
}
catch (Exception ex)
{
throw;
}
toReturn.Add(imgToSave);
}
}
return toReturn;
}
