/// <summary>
/// </summary>
/// <param name="args">string xpsPath, string pdfPath, bool ToPdfA</param>
/// <returns></returns>
public int Convert(string[] args)
{
log.InfoFormat("Args: {0}", string.Join(",", args));
var result = 0;
string pdfPath = null;
string tempPDF = null;
try
{
if (args.Length < 1)
{
Environment.Exit(-1);
}
if (args[0] == "merge")
{
if (args.Length < 3)
{
Environment.Exit(-1);
}
pdfPath = args[1];
var inFiles = new List <string>();
for (int i = 2; i < args.Length; i++)
{
inFiles.Add(args[i]);
}
if (inFiles.Count == 0)
{
Environment.Exit(-1);
}
if (inFiles.Count == 1)
{
return(result);
}
GhostScriptWrapper.CallAPI(GetArgs(pdfPath, inFiles));
}
else
{
pdfPath = args[0];
if (!File.Exists(pdfPath))
{
Environment.Exit(404);
}
var metadata = new MetaData();
if (args.Length >= 2)
{
metadata.Creator = args[1];
}
if (args.Length >= 3)
{
metadata.Author = args[2];
}
if (args.Length >= 4)
{
metadata.Language = args[3];
}
if (args.Length >= 5)
{
var path = args[4];
if (!string.IsNullOrWhiteSpace(path))
{
metadata.CustomMetadata = File.ReadAllBytes(args[4]);
}
}
SaveAsPDFA(ref tempPDF, pdfPath, metadata);
}
}
catch (Exception ex)
{
log.Error(ex);
if (result == 0)
{
result = 500;
}
}
finally
{
if (File.Exists(tempPDF))
{
File.Delete(tempPDF);
}
}
return(result);
}
private void SaveAsPDFA(ref string tempPDF, string pdfPath, MetaData md)
{
string tempdir = Path.Combine(Path.GetTempPath(), "GhostScriptWrapper");
if (!Directory.Exists(tempdir))
{
Directory.CreateDirectory(tempdir);
}
tempPDF = Path.Combine(tempdir, string.Format("{0}_tmp.pdf", Guid.NewGuid()));
File.Copy(pdfPath, tempPDF);
GhostScriptWrapper.CallAPI(GetArgs(tempPDF, pdfPath));
var document = new it.Document();
using (var fs = new FileStream(tempPDF, FileMode.Create))
{
// step 2: we create a writer that listens to the document
//PdfCopy writer = new PdfCopy(document, fs);
var pdfaWriter = ip.PdfAWriter.GetInstance(document, fs, ip.PdfAConformanceLevel.PDF_A_1B);
pdfaWriter.SetTagged();
pdfaWriter.CreateXmpMetadata();
// step 3: we open the document
document.Open();
document.AddAuthor(md.Author);
document.AddCreator(md.Creator);
document.AddLanguage(md.Language);
document.AddProducer();
document.AddTitle(Path.GetFileNameWithoutExtension(pdfPath));
// we create a reader for a certain document
var reader = new ip.PdfReader(pdfPath);
reader.ConsolidateNamedDestinations();
document.NewPage();
var icc = ip.ICC_Profile.GetInstance(Environment.GetEnvironmentVariable("SystemRoot") + @"\System32\spool\drivers\color\sRGB Color Space Profile.icm");
pdfaWriter.SetOutputIntents("sRGB", null, "http://www.color.org", "sRGB IEC61966-2.1", icc.Data);
// step 4: we add content
for (var i = 1; i <= reader.NumberOfPages; i++)
{
var page = pdfaWriter.GetImportedPage(reader, i);
pdfaWriter.DirectContentUnder.AddTemplate(page, 0, 0);
document.NewPage();
}
// step 5: we close the document and writer
document.AddCreationDate();
pdfaWriter.Flush();
try
{
pdfaWriter.Close();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
reader.Close();
try
{
document.Close();
}
catch
{
}
}
ManipulatePdf(tempPDF, pdfPath, md);
}
