public static void Convert(PowerpointDocument ppt, PresentationDocument pptx)
{
using (pptx)
{
// Setup the writer
XmlWriterSettings xws = new XmlWriterSettings();
xws.OmitXmlDeclaration = false;
xws.CloseOutput = true;
xws.Encoding = Encoding.UTF8;
xws.ConformanceLevel = ConformanceLevel.Document;
// Setup the context
ConversionContext context = new ConversionContext(ppt);
context.WriterSettings = xws;
context.Pptx = pptx;
// Write presentation.xml
ppt.Convert(new PresentationPartMapping(context));
//AppMapping app = new AppMapping(pptx.AddAppPropertiesPart(), xws);
//app.Apply(null);
//CoreMapping core = new CoreMapping(pptx.AddCoreFilePropertiesPart(), xws);
//core.Apply(null);
}
}
public static OpenXmlPackage.DocumentType DetectOutputType(PowerpointDocument ppt)
{
OpenXmlPackage.DocumentType returnType = OpenXmlPackage.DocumentType.Document;
try
{
//ToDo: Find better way to detect macro type
if (ppt.VbaProject != null)
{
returnType = OpenXmlPackage.DocumentType.MacroEnabledDocument;
}
}
catch (Exception)
{
}
return(returnType);
}
private static void processFile(String InputFile)
{
// copy processing file
ProcessingFile procFile = new ProcessingFile(InputFile);
//make output file name
if (ChoosenOutputFile == null)
{
if (InputFile.Contains("."))
{
ChoosenOutputFile = InputFile.Remove(InputFile.LastIndexOf(".")) + ".pptx";
}
else
{
ChoosenOutputFile = InputFile + ".pptx";
}
}
//open the reader
using (StructuredStorageReader reader = new StructuredStorageReader(procFile.File.FullName))
{
// parse the ppt document
PowerpointDocument ppt = new PowerpointDocument(reader);
// detect document type and name
OpenXmlPackage.DocumentType outType = Converter.DetectOutputType(ppt);
string conformOutputFile = Converter.GetConformFilename(ChoosenOutputFile, outType);
// create the pptx document
PresentationDocument pptx = PresentationDocument.Create(conformOutputFile, outType);
//start time
DateTime start = DateTime.Now;
TraceLogger.Info("Converting file {0} into {1}", InputFile, conformOutputFile);
// convert
Converter.Convert(ppt, pptx);
// stop time
DateTime end = DateTime.Now;
TimeSpan diff = end.Subtract(start);
TraceLogger.Info("Conversion of file {0} finished in {1} seconds", InputFile, diff.TotalSeconds.ToString(CultureInfo.InvariantCulture));
}
}
static void Main(string[] args)
{
TraceLogger.LogLevel = TraceLogger.LoggingLevel.DebugInternal;
const string outputDir = "dumps";
if (Directory.Exists(outputDir))
{
Directory.Delete(outputDir, true);
}
Directory.CreateDirectory(outputDir);
string inputFile = args[0];
ProcessingFile procFile = new ProcessingFile(inputFile);
StructuredStorageReader file = new StructuredStorageReader(procFile.File.FullName);
PowerpointDocument pptDoc = new PowerpointDocument(file);
// Dump unknown records
foreach (Record record in pptDoc)
{
if (record is UnknownRecord)
{
string filename = String.Format(@"{0}\{1}.record", outputDir, record.GetIdentifier());
using (FileStream fs = new FileStream(filename, FileMode.Create))
{
record.DumpToStream(fs);
}
}
}
// Output record tree
Console.WriteLine(pptDoc);
Console.WriteLine();
// Let's make development as easy as pie.
System.Diagnostics.Debugger.Break();
}
public ConversionContext(PowerpointDocument ppt)
{
this.Ppt = ppt;
}
