public virtual void TestFreeReference()
{
PdfWriter writer = new PdfWriter(destinationFolder + "freeReference.pdf", new WriterProperties().SetFullCompressionMode
(false));
PdfDocument pdfDocument = new PdfDocument(new PdfReader(sourceFolder + "baseFreeReference.pdf"), writer);
pdfDocument.GetPage(1).GetResources().GetPdfObject().GetAsArray(new PdfName("d")).Get(0).GetIndirectReference
().SetFree();
PdfStream pdfStream = new PdfStream();
pdfStream.SetData(new byte[] { 24, 23, 67 });
pdfStream.MakeIndirect(pdfDocument);
pdfDocument.GetPage(1).GetResources().GetPdfObject().GetAsArray(new PdfName("d")).Add(pdfStream);
pdfDocument.Close();
NUnit.Framework.Assert.IsNull(new CompareTool().CompareByContent(destinationFolder + "freeReference.pdf",
sourceFolder + "cmp_freeReference.pdf", destinationFolder, "diff_"));
}
public virtual void FullCompressionAppendMode()
{
PdfWriter writer = new PdfWriter(destinationFolder + "fullCompressionAppendMode.pdf", new WriterProperties
().SetFullCompressionMode(true).SetCompressionLevel(CompressionConstants.NO_COMPRESSION));
PdfDocument pdfDocument = new PdfDocument(new PdfReader(sourceFolder + "fullCompressionDoc.pdf"), writer,
new StampingProperties().UseAppendMode());
PdfPage page = pdfDocument.GetPage(1);
PdfStream contentStream = new PdfStream();
String contentStr = iText.IO.Util.JavaUtil.GetStringForBytes(pdfDocument.GetPage(1).GetFirstContentStream(
).GetBytes(), Encoding.ASCII);
contentStream.SetData(contentStr.Replace("/F1 16", "/F1 24").GetBytes(Encoding.ASCII));
page.GetPdfObject().Put(PdfName.Contents, contentStream);
page.SetModified();
pdfDocument.Close();
NUnit.Framework.Assert.IsNull(new CompareTool().CompareByContent(destinationFolder + "fullCompressionAppendMode.pdf"
, sourceFolder + "cmp_fullCompressionAppendMode.pdf", destinationFolder, "diff_"));
PdfDocument assertDoc = new PdfDocument(new PdfReader(destinationFolder + "fullCompressionAppendMode.pdf")
);
NUnit.Framework.Assert.IsTrue(assertDoc.GetPdfObject(9).IsStream());
NUnit.Framework.Assert.AreEqual(1, ((PdfDictionary)assertDoc.GetPdfObject(9)).GetAsNumber(PdfName.N).IntValue
());
}