private byte[] ReadContentBytes(
PdfObject contentObject)
{
byte[] result;
switch (contentObject.Type)
{
case PdfObject.INDIRECT:
PRIndirectReference reference = (PRIndirectReference)contentObject;
PdfObject directObject = PdfReader.GetPdfObject(reference);
result = ReadContentBytes(directObject);
break;
case PdfObject.STREAM:
PRStream stream = (PRStream)PdfReader.GetPdfObject(contentObject);
result = PdfReader.GetStreamBytes(stream);
break;
case PdfObject.ARRAY:
// Stitch together all content before calling processContent(), because
// processContent() resets state.
MemoryStream allBytes = new MemoryStream();
PdfArray contentArray = (PdfArray)contentObject;
ListIterator<PdfObject> iter = contentArray.GetListIterator();
while (iter.HasNext())
{
PdfObject element = iter.Next();
byte[] bytes = ReadContentBytes(element);
allBytes.Write(bytes, 0, bytes.Length);
}
result = allBytes.ToArray();
break;
default:
String msg = "Unable to handle Content of type " + contentObject.GetType();
throw new InvalidOperationException(msg);
}
return result;
}
