public virtual void CloseDocumentWithoutModificationsTest()
{
String fileName = destinationFolder + "xrefStmInAppendMode.pdf";
PdfDocument pdfDocument = new PdfDocument(new PdfReader(sourceFolder + "xrefStmInWriteMode.pdf"), new PdfWriter
(fileName).SetCompressionLevel(CompressionConstants.NO_COMPRESSION), new StampingProperties().UseAppendMode
());
// Clear state for document info indirect reference so that there are no modified objects
// in the document due to which, the document will have only one href table.
pdfDocument.GetDocumentInfo().GetPdfObject().GetIndirectReference().ClearState(PdfObject.MODIFIED);
pdfDocument.Close();
PdfDocument doc = new PdfDocument(new PdfReader(fileName));
int xrefTableCounter = 0;
for (int i = 1; i < doc.GetNumberOfPdfObjects(); i++)
{
PdfObject obj = doc.GetPdfObject(i);
if (obj is PdfDictionary)
{
PdfDictionary objStmDict = (PdfDictionary)doc.GetPdfObject(i);
PdfObject type = objStmDict.Get(PdfName.Type);
if (type != null && type.Equals(PdfName.XRef))
{
xrefTableCounter++;
}
}
}
NUnit.Framework.Assert.AreEqual(((PdfNumber)doc.GetTrailer().Get(PdfName.Size)).IntValue(), doc.GetNumberOfPdfObjects
());
doc.Close();
NUnit.Framework.Assert.AreEqual(1, xrefTableCounter);
}
public virtual void XrefStmInAppendModeTest()
{
String fileName = destinationFolder + "xrefStmInAppendMode.pdf";
PdfDocument pdfDocument = new PdfDocument(new PdfReader(sourceFolder + "xrefStmInWriteMode.pdf"), new PdfWriter
(fileName).SetCompressionLevel(CompressionConstants.NO_COMPRESSION), new StampingProperties().UseAppendMode
());
pdfDocument.Close();
PdfDocument doc = new PdfDocument(new PdfReader(fileName));
int xrefTableCounter = 0;
for (int i = 1; i < doc.GetNumberOfPdfObjects(); i++)
{
PdfObject obj = doc.GetPdfObject(i);
if (obj is PdfDictionary)
{
PdfDictionary objStmDict = (PdfDictionary)doc.GetPdfObject(i);
PdfObject type = objStmDict.Get(PdfName.Type);
if (type != null && type.Equals(PdfName.XRef))
{
xrefTableCounter++;
}
}
}
NUnit.Framework.Assert.AreEqual(((PdfNumber)doc.GetTrailer().Get(PdfName.Size)).IntValue(), doc.GetNumberOfPdfObjects
());
doc.Close();
NUnit.Framework.Assert.AreEqual(2, xrefTableCounter);
}
public virtual void XrefStmInWriteModeTest()
{
String fileName = destinationFolder + "xrefStmInWriteMode.pdf";
PdfWriter writer = new PdfWriter(fileName, new WriterProperties().SetFullCompressionMode(true).SetCompressionLevel
(CompressionConstants.NO_COMPRESSION));
PdfDocument pdfDocument = new PdfDocument(writer);
PdfPage page = pdfDocument.AddNewPage();
PdfTextAnnotation textannot = new PdfTextAnnotation(new Rectangle(100, 600, 50, 40));
textannot.SetText(new PdfString("Text Annotation 01")).SetContents(new PdfString("Some contents..."));
page.AddAnnotation(textannot);
pdfDocument.Close();
PdfDocument doc = new PdfDocument(new PdfReader(fileName));
int xrefTableCounter = 0;
for (int i = 1; i < doc.GetNumberOfPdfObjects(); i++)
{
PdfObject obj = doc.GetPdfObject(i);
if (obj is PdfDictionary)
{
PdfDictionary objStmDict = (PdfDictionary)doc.GetPdfObject(i);
PdfObject type = objStmDict.Get(PdfName.Type);
if (type != null && type.Equals(PdfName.XRef))
{
xrefTableCounter++;
}
}
}
NUnit.Framework.Assert.AreEqual(((PdfNumber)doc.GetTrailer().Get(PdfName.Size)).IntValue(), doc.GetNumberOfPdfObjects
());
doc.Close();
NUnit.Framework.Assert.AreEqual(1, xrefTableCounter);
}
/// <summary>Flushes all modified objects which have not been flushed yet.</summary>
/// <remarks>Flushes all modified objects which have not been flushed yet. Used in case incremental updates.</remarks>
/// <param name="forbiddenToFlush">
/// a
/// <see cref="Java.Util.Set{E}"/>
/// of
/// <see cref="PdfIndirectReference">references</see>
/// that are forbidden to be flushed automatically.
/// </param>
protected internal virtual void FlushModifiedWaitingObjects(ICollection <PdfIndirectReference> forbiddenToFlush
)
{
PdfXrefTable xref = document.GetXref();
for (int i = 1; i < xref.Size(); i++)
{
PdfIndirectReference indirectReference = xref.Get(i);
if (null != indirectReference && !indirectReference.IsFree() && !forbiddenToFlush.Contains(indirectReference
))
{
bool isModified = indirectReference.CheckState(PdfObject.MODIFIED);
if (isModified)
{
PdfObject obj = indirectReference.GetRefersTo(false);
if (obj != null)
{
if (!obj.Equals(objectStream))
{
obj.Flush();
}
}
}
}
}
if (objectStream != null && objectStream.GetSize() > 0)
{
objectStream.Flush();
objectStream = null;
}
}
internal static bool EqualContent(PdfObject obj1, PdfObject obj2)
{
PdfObject direct1 = obj1 != null && obj1.IsIndirectReference() ? ((PdfIndirectReference)obj1).GetRefersTo(
true) : obj1;
PdfObject direct2 = obj2 != null && obj2.IsIndirectReference() ? ((PdfIndirectReference)obj2).GetRefersTo(
true) : obj2;
return(direct1 != null && direct1.Equals(direct2));
}
/// <summary>Flushes all modified objects which have not been flushed yet.</summary>
/// <remarks>Flushes all modified objects which have not been flushed yet. Used in case incremental updates.</remarks>
protected internal virtual void FlushModifiedWaitingObjects()
{
PdfXrefTable xref = document.GetXref();
for (int i = 1; i < xref.Size(); i++)
{
PdfIndirectReference indirectReference = xref.Get(i);
if (null != indirectReference)
{
PdfObject obj = indirectReference.GetRefersTo(false);
if (obj != null && !obj.Equals(objectStream) && obj.IsModified())
{
obj.Flush();
}
}
}
if (objectStream != null && objectStream.GetSize() > 0)
{
objectStream.Flush();
objectStream = null;
}
}
private String GetItalicAngleValue(String inPath)
{
String result = "";
PdfReader pdfR = new PdfReader(inPath);
PdfDocument attachmentPDF = new PdfDocument(pdfR);
int max = attachmentPDF.GetNumberOfPdfObjects();
for (int i = 0; i < max; i++)
{
PdfObject obj = attachmentPDF.GetPdfObject(i);
if (obj != null)
{
PdfDictionary pdfDict = (PdfDictionary)obj;
PdfObject x = pdfDict.Get(PdfName.Type);
if (x != null && x.Equals(PdfName.FontDescriptor))
{
PdfObject italicAngle = pdfDict.Get(PdfName.ItalicAngle);
result = italicAngle.ToString();
}
}
}
attachmentPDF.Close();
return(result);
}
