public virtual void ResourcesTest1()
{
PdfDocument document = new PdfDocument(new PdfWriter(new MemoryStream()));
PdfPage page = document.AddNewPage();
PdfExtGState egs1 = new PdfExtGState();
PdfExtGState egs2 = new PdfExtGState();
PdfResources resources = page.GetResources();
PdfName n1 = resources.AddExtGState(egs1);
NUnit.Framework.Assert.AreEqual("Gs1", n1.GetValue());
PdfName n2 = resources.AddExtGState(egs2);
NUnit.Framework.Assert.AreEqual("Gs2", n2.GetValue());
n1 = resources.AddExtGState(egs1);
NUnit.Framework.Assert.AreEqual("Gs1", n1.GetValue());
document.Close();
}
public virtual void ResourcesCategoryDictionarySetModifiedTest()
{
PdfDictionary pdfDict = new PdfDictionary();
pdfDict.Put(PdfName.ExtGState, new PdfDictionary());
PdfResources resources = new PdfResources(pdfDict);
PdfObject resourceCategoryDict = resources.GetPdfObject().Get(PdfName.ExtGState);
resourceCategoryDict.SetIndirectReference(new PdfIndirectReference(null, 1));
NUnit.Framework.Assert.IsFalse(resourceCategoryDict.IsModified());
resources.AddExtGState(new PdfExtGState());
// Check that when changing an existing resource category dictionary, the flag PdfObject.MODIFIED will be set for it
NUnit.Framework.Assert.IsTrue(resourceCategoryDict.IsModified());
}
public virtual void ResourcesTest2()
{
MemoryStream baos = new MemoryStream();
PdfWriter writer = new PdfWriter(baos);
PdfDocument document = new PdfDocument(writer);
PdfPage page = document.AddNewPage();
PdfExtGState egs1 = new PdfExtGState();
PdfExtGState egs2 = new PdfExtGState();
PdfResources resources = page.GetResources();
resources.AddExtGState(egs1);
resources.AddExtGState(egs2);
document.Close();
PdfReader reader = new PdfReader(new MemoryStream(baos.ToArray()));
document = new PdfDocument(reader, new PdfWriter(new ByteArrayOutputStream()));
page = document.GetPage(1);
resources = page.GetResources();
ICollection <PdfName> names = resources.GetResourceNames();
NUnit.Framework.Assert.AreEqual(2, names.Count);
String[] expectedNames = new String[] { "Gs1", "Gs2" };
int i = 0;
foreach (PdfName name in names)
{
NUnit.Framework.Assert.AreEqual(expectedNames[i++], name.GetValue());
}
PdfExtGState egs3 = new PdfExtGState();
PdfName n3 = resources.AddExtGState(egs3);
NUnit.Framework.Assert.AreEqual("Gs3", n3.GetValue());
PdfDictionary egsResources = page.GetPdfObject().GetAsDictionary(PdfName.Resources).GetAsDictionary(PdfName
.ExtGState);
PdfObject e1 = egsResources.Get(new PdfName("Gs1"), false);
PdfName n1 = resources.AddExtGState(e1);
NUnit.Framework.Assert.AreEqual("Gs1", n1.GetValue());
PdfObject e2 = egsResources.Get(new PdfName("Gs2"));
PdfName n2 = resources.AddExtGState(e2);
NUnit.Framework.Assert.AreEqual("Gs2", n2.GetValue());
PdfObject e4 = (PdfObject)e2.Clone();
PdfName n4 = resources.AddExtGState(e4);
NUnit.Framework.Assert.AreEqual("Gs4", n4.GetValue());
document.Close();
}
