public FileItemDTO CompressFile(FileItemEntity fileItem)
{
fileItem.FileFullPath = FileUtils.GetDefaultInputPath() + fileItem.FileName;
File.WriteAllBytes(fileItem.FileFullPath, fileItem.Bytes);
var fileItemDTO = new FileItemDTO()
{
Id = fileItem.Id,
FileFullPath = FileUtils.GetNewFileName(fileItem.FileName, FileNameOptionEnum.Compress)
};
fileItemDTO.FileName = FileUtils.GetSafeFileName(fileItemDTO.FileFullPath);
using (PDFDoc in_doc = new PDFDoc(fileItem.FileFullPath))
{
Optimizer.Optimize(in_doc);
using (PDFDoc doc = new PDFDoc())
{
doc.InsertPages(doc.GetPageCount() + 1, in_doc, 1, in_doc.GetPageCount(), PDFDoc.InsertFlag.e_none);
in_doc.Save(fileItemDTO.FileFullPath, SDFDoc.SaveOptions.e_linearized);
}
}
return(fileItemDTO);
}
public FileItemDTO ProtectFile(FileItemEntity fileItem)
{
fileItem.FileFullPath = FileUtils.GetDefaultInputPath() + fileItem.FileName;
File.WriteAllBytes(fileItem.FileFullPath, fileItem.Bytes);
var fileItemDTO = new FileItemDTO()
{
Id = fileItem.Id,
FileFullPath = FileUtils.GetNewFileName(fileItem.FileName, FileNameOptionEnum.Protect)
};
fileItemDTO.FileName = FileUtils.GetSafeFileName(fileItemDTO.FileFullPath);
using (PDFDoc doc = new PDFDoc(fileItem.FileFullPath))
{
SecurityHandler new_handler = new SecurityHandler(SecurityHandler.AlgorithmType.e_AES_256);
string my_password = "******";
new_handler.ChangeUserPassword(my_password);
new_handler.SetPermission(SecurityHandler.Permission.e_print, true);
new_handler.SetPermission(SecurityHandler.Permission.e_extract_content, false);
doc.SetSecurityHandler(new_handler);
doc.Save(fileItemDTO.FileFullPath, SDFDoc.SaveOptions.e_linearized);
}
return(fileItemDTO);
}
public FileItemDTO ConvertFileToPDF(FileItemEntity fileItem)
{
fileItem.FileFullPath = FileUtils.GetDefaultInputPath() + fileItem.FileName;
File.WriteAllBytes(fileItem.FileFullPath, fileItem.Bytes);
var fileItemDTO = new FileItemDTO()
{
Id = fileItem.Id,
FileFullPath = FileUtils.GetNewFileName(fileItem.FileName, FileNameOptionEnum.Convert)
};
fileItemDTO.FileName = FileUtils.GetSafeFileName(fileItemDTO.FileFullPath);
using (PDFDoc doc = new PDFDoc())
{
try
{
switch (FileUtils.GetFileType(fileItem.FileFullPath))
{
case FileType.MSOffice:
pdftron.PDF.Convert.OfficeToPDF(doc, fileItem.FileFullPath, null);
break;
case FileType.HTML:
HTML2PDF converter = new HTML2PDF();
var htmlString = File.ReadAllText(fileItem.FileFullPath);
converter.InsertFromHtmlString(htmlString);
converter.Convert(doc);
break;
case FileType.Other:
pdftron.PDF.Convert.ToPdf(doc, fileItem.FileFullPath);
break;
case FileType.NotMapped:
throw new ArgumentException($"Extensão {FileUtils.GetFileExtension(fileItem.FileFullPath)} não mapeada");
default:
break;
}
doc.Save(fileItemDTO.FileFullPath, SDFDoc.SaveOptions.e_linearized);
return(fileItemDTO);
}
catch (PDFNetException ex)
{
throw;
}
catch (Exception ex)
{
throw;
}
}
}
public FileItemDTO CombineFiles(List <FileItemEntity> fileItems)
{
try
{
using (PDFDoc doc = new PDFDoc())
{
doc.InitSecurityHandler();
var fileNewName = new StringBuilder();
foreach (var fileItem in fileItems)
{
if (fileNewName.Length > 0)
{
fileNewName.Append("_");
}
fileNewName.Append(fileItem.FileName.TrimEnd(".pdf".ToCharArray()));
fileItem.FileFullPath = FileUtils.GetDefaultInputPath() + fileItem.FileName;
File.WriteAllBytes(fileItem.FileFullPath, fileItem.Bytes);
using (PDFDoc in_doc = new PDFDoc(fileItem.FileFullPath))
{
in_doc.InitSecurityHandler();
doc.InsertPages(doc.GetPageCount() + 1, in_doc, 1, in_doc.GetPageCount(), PDFDoc.InsertFlag.e_none);
}
}
#region Teste
//Era pra funcionar, mas lança uma exceção no método "new_doc.ImportPages"
//ArrayList copy_pages = new ArrayList();
//for (PageIterator itr = in_doc.GetPageIterator(); itr.HasNext(); itr.Next())
//{
// copy_pages.Add(itr.Current());
//}
//var imported_pages = new_doc.ImportPages(copy_pages, false);
//for (int i = 0; i != imported_pages.Count; ++i)
//{
// new_doc.PagePushBack((Page)imported_pages[i]);
//}
#endregion
var fileItemDTO = new FileItemDTO()
{
Id = new Random().Next(1, 100),
FileFullPath = FileUtils.GetNewFileName(fileNewName.ToString(), FileNameOptionEnum.Combine)
};
fileItemDTO.FileName = FileUtils.GetSafeFileName(fileItemDTO.FileFullPath);
doc.Save(fileItemDTO.FileFullPath, SDFDoc.SaveOptions.e_linearized);
return(fileItemDTO);
}
}
catch (PDFNetException ex)
{
throw;
}
catch (Exception ex)
{
throw;
}
}
