static void split_01(string file)
{
var db = RedisWrite.Db;
// Open the file
var inputDoc = PdfSharp_IO.PdfReader.Open(file, PdfSharp_IO.PdfDocumentOpenMode.Import);
long fileSize = inputDoc.FileSize;
int max = inputDoc.PageCount;
string key = DocumentStatic.buildId(max, fileSize);
string name = Path.GetFileNameWithoutExtension(file);
//if (max > 5) max = 5;
var obj = new Dictionary <string, object>()
{
{ "id", long.Parse(key) },
{ "file_name", Path.GetFileNameWithoutExtension(file) },
{ "file_type", "pdf" },
{ "file_size", fileSize },
{ "file_created", "" },
{ "page", max }
};
string jsonInfo = JsonConvert.SerializeObject(obj);
var bufInfo = ASCIIEncoding.UTF8.GetBytes(jsonInfo);
var lsEntry = new List <NameValueEntry>()
{
new NameValueEntry("0", LZ4Codec.Wrap(bufInfo, 0, bufInfo.Length))
};
db.HashSet("IDS", key, jsonInfo);
for (int idx = 0; idx < max; idx++)
{
using (var outputDocument = new PdfSharp_.PdfDocument())
{
var options = outputDocument.Options;
options.FlateEncodeMode = PdfSharp_.PdfFlateEncodeMode.BestCompression;
options.UseFlateDecoderForJpegImages = PdfSharp_.PdfUseFlateDecoderForJpegImages.Automatic;
options.CompressContentStreams = true;
options.NoCompression = false;
options.FlateEncodeMode = PdfSharp_.PdfFlateEncodeMode.BestCompression;
outputDocument.AddPage(inputDoc.Pages[idx]);
using (var ms = new MemoryStream())
{
outputDocument.Save(ms);
var bt = ms.ToArray();
int i = idx + 1;
//outputDocument.Save(@"C:\temp\" + i + "-.pdf");
lsEntry.Add(new NameValueEntry(i.ToString(), LZ4Codec.Wrap(bt, 0, bt.Length)));
Console.WriteLine("{0}-{1}...", i, max);
}
//// Create new document
//var outputDocument = new PdfSharp_.PdfDocument();
//outputDocument.Version = inputDocument.Version;
//outputDocument.Info.Title = String.Format("Page {0} of {1}", i, inputDocument.Info.Title);
//outputDocument.Info.Creator = inputDocument.Info.Creator;
//// Add the page and save it
//outputDocument.AddPage(inputDocument.Pages[idx]);
//outputDocument.Save(@"C:\temp\" + i + "-.pdf");
//m_app.RedisUpdate(key, i.ToString(), ms.ToArray());
}
}
////long kkk = db.StreamDelete("BUF", new RedisValue[] { key + "-0" });
string did = db.StreamAdd("RAW", lsEntry.ToArray(), key + "-0");
}
static void test01(string file)
{
var db = RedisWrite.Db;
if (!File.Exists(file))
{
return;
}
var reader = new iTextSharpPdf.PdfReader(file);
reader.RemoveUnusedObjects();
long fileSize = reader.FileLength;
int currentPage = 1;
var readerCopy = new iTextSharpPdf.PdfReader(file);
readerCopy.RemoveUnusedObjects();
readerCopy.RemoveAnnotations();
readerCopy.RemoveFields();
readerCopy.RemoveUsageRights();
string CreationDate = "";
foreach (KeyValuePair <string, string> KV in readerCopy.Info)
{
if (KV.Key == "CreationDate")
{
CreationDate = KV.Value;
}
//readerCopy.Info.Remove(KV.Key);
}
//int headerSize = readerCopy.Metadata.Length;
//string mt = Encoding.UTF8.GetString(readerCopy.Metadata);
int max = reader.NumberOfPages;
if (max > 5)
{
max = 2;
}
string key = DocumentStatic.buildId(max, fileSize);
var obj = new Dictionary <string, object>()
{
{ "id", long.Parse(key) },
{ "file_name", Path.GetFileNameWithoutExtension(file) },
{ "file_type", "pdf" },
{ "file_size", fileSize },
{ "file_created", CreationDate },
{ "page", max }
};
string jsonInfo = JsonConvert.SerializeObject(obj);
var bufInfo = ASCIIEncoding.UTF8.GetBytes(jsonInfo);
var lsEntry = new List <NameValueEntry>()
{
new NameValueEntry(0, LZ4.LZ4Codec.Encode(bufInfo, 0, bufInfo.Length))
};
for (int i = 1; i <= max; i++)
{
////using (FileStream fs = new FileStream(@"C:\temp\" + i + "-.pdf", FileMode.Create, FileAccess.Write, FileShare.None))
////{
//// using (var d = new iTextSharpText.Document())
//// {
//// using (var w = new iTextSharpPdf.PdfCopy(d, fs))
//// {
//// d.Open();
//// w.AddPage(w.GetImportedPage(reader, i));
//// d.Close();
//// }
//// }
////}
using (var ms = new MemoryStream())
{
var docCopy = new iTextSharpText.Document(reader.GetPageSizeWithRotation(currentPage));
//var pdfCopy = new iTextSharpPdf.PdfCopy(docCopy, new FileStream(@"C:\temp\" + i + "-.pdf", FileMode.Create));
var pdfCopy = new iTextSharpPdf.PdfCopy(docCopy, ms);
docCopy.Open();
var page = pdfCopy.GetImportedPage(readerCopy, currentPage);
pdfCopy.SetFullCompression();
pdfCopy.AddPage(page);
currentPage += 1;
//long len = ms.Length;
docCopy.Close();
pdfCopy.Close();
//m_app.RedisUpdate(key, i.ToString(), ms.ToArray());
lsEntry.Add(new NameValueEntry(i, ms.ToArray()));
}
}
readerCopy.Close();
reader.Close();
string did = db.StreamAdd("BUF", lsEntry.ToArray(), key + "-0");
}
