public virtual void Test01()
{
String outFile = destinationFolder + "parentTreeTest01.pdf";
String cmpFile = sourceFolder + "cmp_parentTreeTest01.pdf";
PdfDocument document = new PdfDocument(new PdfWriter(outFile));
document.SetTagged();
PdfStructElem doc = document.GetStructTreeRoot().AddKid(new PdfStructElem(document, PdfName.Document));
PdfPage firstPage = document.AddNewPage();
PdfCanvas canvas = new PdfCanvas(firstPage);
canvas.BeginText();
canvas.SetFontAndSize(PdfFontFactory.CreateFont(StandardFonts.COURIER), 24);
canvas.SetTextMatrix(1, 0, 0, 1, 32, 512);
PdfStructElem paragraph = doc.AddKid(new PdfStructElem(document, PdfName.P));
PdfStructElem span1 = paragraph.AddKid(new PdfStructElem(document, PdfName.Span, firstPage));
canvas.OpenTag(new CanvasTag(span1.AddKid(new PdfMcrNumber(firstPage, span1))));
canvas.ShowText("Hello ");
canvas.CloseTag();
canvas.OpenTag(new CanvasTag(span1.AddKid(new PdfMcrDictionary(firstPage, span1))));
canvas.ShowText("World");
canvas.CloseTag();
canvas.EndText();
canvas.Release();
PdfPage secondPage = document.AddNewPage();
document.Close();
NUnit.Framework.Assert.IsTrue(CheckParentTree(outFile, cmpFile));
}
public virtual void StructElemTest08()
{
PdfWriter writer = new PdfWriter(destinationFolder + "structElemTest08.pdf");
writer.SetCompressionLevel(CompressionConstants.NO_COMPRESSION);
PdfDocument document = new PdfDocument(writer);
document.SetTagged();
PdfStructTreeRoot doc = document.GetStructTreeRoot();
PdfPage firstPage = document.AddNewPage();
PdfCanvas canvas = new PdfCanvas(firstPage);
canvas.BeginText();
canvas.SetFontAndSize(PdfFontFactory.CreateFont(StandardFonts.COURIER), 24);
canvas.SetTextMatrix(1, 0, 0, 1, 32, 512);
PdfStructElem paragraph = doc.AddKid(new PdfStructElem(document, PdfName.P));
PdfStructElem span1 = paragraph.AddKid(new PdfStructElem(document, PdfName.Span, firstPage));
canvas.OpenTag(new CanvasTag(span1.AddKid(new PdfMcrNumber(firstPage, span1))));
canvas.ShowText("Hello ");
canvas.CloseTag();
canvas.OpenTag(new CanvasTag(span1.AddKid(new PdfMcrDictionary(firstPage, span1))));
canvas.ShowText("World");
canvas.CloseTag();
canvas.EndText();
canvas.Release();
PdfPage secondPage = document.AddNewPage();
// on flushing, the Document tag is not added
firstPage.Flush();
secondPage.Flush();
document.Close();
CompareResult("structElemTest08.pdf", "cmp_structElemTest08.pdf", "diff_structElem_08_");
}
public virtual void StructTreeCopyingTest07()
{
PdfReader reader = new PdfReader(sourceFolder + "quick-brown-fox.pdf");
PdfWriter writer = new PdfWriter(destinationFolder + "structTreeCopyingTest07.pdf");
PdfDocument document = new PdfDocument(writer);
document.SetTagged();
PdfStructElem doc = document.GetStructTreeRoot().AddKid(new PdfStructElem(document, PdfName.Document));
PdfPage page1 = document.AddNewPage();
PdfCanvas canvas = new PdfCanvas(page1);
canvas.BeginText();
canvas.SetFontAndSize(PdfFontFactory.CreateFont(StandardFonts.COURIER), 24);
canvas.SetTextMatrix(1, 0, 0, 1, 32, 512);
PdfStructElem paragraph = doc.AddKid(new PdfStructElem(document, PdfName.P));
PdfStructElem span1 = paragraph.AddKid(new PdfStructElem(document, PdfName.Span, page1));
canvas.OpenTag(new CanvasTag(span1.AddKid(new PdfMcrNumber(page1, span1))));
canvas.ShowText("Hello ");
canvas.CloseTag();
canvas.OpenTag(new CanvasTag(span1.AddKid(new PdfMcrDictionary(page1, span1))));
canvas.ShowText("World");
canvas.CloseTag();
canvas.EndText();
canvas.Release();
PdfDocument document1 = new PdfDocument(reader);
document1.InitializeOutlines();
document1.CopyPagesTo(1, 1, document);
document.Close();
document1.Close();
CompareResult("structTreeCopyingTest07.pdf", "cmp_structTreeCopyingTest07.pdf", "diff_copying_07_");
}
/// <summary>Removes the current tag.</summary>
/// <remarks>
/// Removes the current tag. If it has kids, they will become kids of the current tag parent.
/// This method call moves this
/// <c>TagTreePointer</c>
/// to the current tag parent.
/// <br/><br/>
/// You cannot remove root tag, and also you cannot remove any tag if document's tag structure was partially flushed;
/// in this two cases an exception will be thrown.
/// </remarks>
/// <returns>
/// this
/// <see cref="TagStructureContext"/>
/// instance.
/// </returns>
public virtual iText.Kernel.Pdf.Tagutils.TagTreePointer RemoveTag()
{
IPdfStructElem parentElem = GetCurrentStructElem().GetParent();
if (parentElem is PdfStructTreeRoot)
{
throw new PdfException(PdfException.CannotRemoveDocumentRootTag);
}
IList <IPdfStructElem> kids = GetCurrentStructElem().GetKids();
PdfStructElem parent = (PdfStructElem)parentElem;
if (parent.IsFlushed())
{
throw new PdfException(PdfException.CannotRemoveTagBecauseItsParentIsFlushed);
}
int removedKidIndex = parent.RemoveKid(GetCurrentStructElem());
GetCurrentStructElem().GetPdfObject().GetIndirectReference().SetFree();
foreach (IPdfStructElem kid in kids)
{
if (kid is PdfStructElem)
{
parent.AddKid(removedKidIndex++, (PdfStructElem)kid);
}
else
{
PdfMcr mcr = PrepareMcrForMovingToNewParent((PdfMcr)kid, parent);
parent.AddKid(removedKidIndex++, mcr);
}
}
SetCurrentStructElem(parent);
return(this);
}
public virtual void StructElemTest02()
{
PdfWriter writer = new PdfWriter(destinationFolder + "structElemTest02.pdf");
writer.SetCompressionLevel(CompressionConstants.NO_COMPRESSION);
PdfDocument document = new PdfDocument(writer);
document.SetTagged();
document.GetStructTreeRoot().GetRoleMap().Put(new PdfName("Chunk"), PdfName.Span);
PdfStructElem doc = document.GetStructTreeRoot().AddKid(new PdfStructElem(document, PdfName.Document));
PdfPage page = document.AddNewPage();
PdfCanvas canvas = new PdfCanvas(page);
canvas.BeginText();
canvas.SetFontAndSize(PdfFontFactory.CreateFont(StandardFonts.COURIER), 24);
canvas.SetTextMatrix(1, 0, 0, 1, 32, 512);
PdfStructElem paragraph = doc.AddKid(new PdfStructElem(document, PdfName.P));
PdfStructElem span1 = paragraph.AddKid(new PdfStructElem(document, PdfName.Span, page));
canvas.OpenTag(new CanvasTag(span1.AddKid(new PdfMcrNumber(page, span1))));
canvas.ShowText("Hello ");
canvas.CloseTag();
PdfStructElem span2 = paragraph.AddKid(new PdfStructElem(document, new PdfName("Chunk"), page));
canvas.OpenTag(new CanvasTag(span2.AddKid(new PdfMcrNumber(page, span2))));
canvas.ShowText("World");
canvas.CloseTag();
canvas.EndText();
canvas.Release();
page.Flush();
document.Close();
CompareResult("structElemTest02.pdf", "cmp_structElemTest02.pdf", "diff_structElem_02_");
}
/// <summary>Transforms root tags in a way that complies with the PDF References.</summary>
/// <remarks>
/// Transforms root tags in a way that complies with the PDF References.
/// <br/><br/>
/// PDF Reference
/// 10.7.3 Grouping Elements:
/// <br/><br/>
/// For most content extraction formats, the document must be a tree with a single top-level element;
/// the structure tree root (identified by the StructTreeRoot entry in the document catalog) must have
/// only one child in its K (kids) array. If the PDF file contains a complete document, the structure
/// type Document is recommended for this top-level element in the logical structure hierarchy. If the
/// file contains a well-formed document fragment, one of the structure types Part, Art, Sect, or Div
/// may be used instead.
/// </remarks>
public virtual void NormalizeDocumentRootTag()
{
// in this method we could deal with existing document, so we don't won't to throw exceptions here
bool forbid = forbidUnknownRoles;
forbidUnknownRoles = false;
IList <IPdfStructElem> rootKids = document.GetStructTreeRoot().GetKids();
if (rootKids.Count == 1 && allowedRootTagRoles.Contains(rootKids[0].GetRole()))
{
rootTagElement = (PdfStructElem)rootKids[0];
}
else
{
PdfStructElem prevRootTag = rootTagElement;
document.GetStructTreeRoot().GetPdfObject().Remove(PdfName.K);
if (prevRootTag == null)
{
rootTagElement = document.GetStructTreeRoot().AddKid(new PdfStructElem(document, PdfName.Document));
}
else
{
document.GetStructTreeRoot().AddKid(rootTagElement);
if (!PdfName.Document.Equals(rootTagElement.GetRole()))
{
WrapAllKidsInTag(rootTagElement, rootTagElement.GetRole());
rootTagElement.SetRole(PdfName.Document);
}
}
int originalRootKidsIndex = 0;
bool isBeforeOriginalRoot = true;
foreach (IPdfStructElem elem in rootKids)
{
// StructTreeRoot kids are always PdfStructElem, so we are save here to cast it
PdfStructElem kid = (PdfStructElem)elem;
if (kid.GetPdfObject() == rootTagElement.GetPdfObject())
{
isBeforeOriginalRoot = false;
continue;
}
bool kidIsDocument = PdfName.Document.Equals(kid.GetRole());
if (isBeforeOriginalRoot)
{
rootTagElement.AddKid(originalRootKidsIndex, kid);
originalRootKidsIndex += kidIsDocument ? kid.GetKids().Count : 1;
}
else
{
rootTagElement.AddKid(kid);
}
if (kidIsDocument)
{
RemoveOldRoot(kid);
}
}
}
forbidUnknownRoles = forbid;
}
public virtual void StructElemTest03()
{
PdfWriter writer = new PdfWriter(destinationFolder + "structElemTest03.pdf");
writer.SetCompressionLevel(CompressionConstants.NO_COMPRESSION);
PdfDocument document = new PdfDocument(writer);
document.SetTagged();
document.GetStructTreeRoot().GetRoleMap().Put(new PdfName("Chunk"), PdfName.Span);
PdfStructElem doc = document.GetStructTreeRoot().AddKid(new PdfStructElem(document, PdfName.Document));
PdfPage page1 = document.AddNewPage();
PdfCanvas canvas = new PdfCanvas(page1);
canvas.BeginText();
canvas.SetFontAndSize(PdfFontFactory.CreateFont(StandardFonts.COURIER), 24);
canvas.SetTextMatrix(1, 0, 0, 1, 32, 512);
PdfStructElem paragraph = doc.AddKid(new PdfStructElem(document, PdfName.P));
PdfStructElem span1 = paragraph.AddKid(new PdfStructElem(document, PdfName.Span, page1));
canvas.OpenTag(new CanvasTag(span1.AddKid(new PdfMcrNumber(page1, span1))));
canvas.ShowText("Hello ");
canvas.CloseTag();
PdfStructElem span2 = paragraph.AddKid(new PdfStructElem(document, new PdfName("Chunk"), page1));
canvas.OpenTag(new CanvasTag(span2.AddKid(new PdfMcrNumber(page1, span2))));
canvas.ShowText("World");
canvas.CloseTag();
canvas.EndText();
canvas.Release();
PdfPage page2 = document.AddNewPage();
canvas = new PdfCanvas(page2);
canvas.BeginText();
canvas.SetFontAndSize(PdfFontFactory.CreateFont(StandardFonts.HELVETICA), 24);
canvas.SetTextMatrix(1, 0, 0, 1, 32, 512);
paragraph = doc.AddKid(new PdfStructElem(document, PdfName.P));
span1 = paragraph.AddKid(new PdfStructElem(document, PdfName.Span, page2));
canvas.OpenTag(new CanvasTag(span1.AddKid(new PdfMcrNumber(page2, span1))));
canvas.ShowText("Hello ");
canvas.CloseTag();
span2 = paragraph.AddKid(new PdfStructElem(document, new PdfName("Chunk"), page2));
canvas.OpenTag(new CanvasTag(span2.AddKid(new PdfMcrNumber(page2, span2))));
canvas.ShowText("World");
canvas.CloseTag();
canvas.EndText();
canvas.Release();
page1.Flush();
page2.Flush();
document.Close();
document = new PdfDocument(new PdfReader(destinationFolder + "structElemTest03.pdf"));
NUnit.Framework.Assert.AreEqual(2, (int)document.GetNextStructParentIndex());
PdfPage page = document.GetPage(1);
NUnit.Framework.Assert.AreEqual(0, page.GetStructParentIndex());
NUnit.Framework.Assert.AreEqual(2, page.GetNextMcid());
document.Close();
}
public virtual void StructElemTest01()
{
FileStream fos = new FileStream(destinationFolder + "structElemTest01.pdf", FileMode.Create);
PdfWriter writer = new PdfWriter(fos);
writer.SetCompressionLevel(CompressionConstants.NO_COMPRESSION);
PdfDocument document = new PdfDocument(writer);
document.SetTagged();
PdfStructElem doc = document.GetStructTreeRoot().AddKid(new PdfStructElem(document, PdfName.Document));
PdfPage page1 = document.AddNewPage();
PdfCanvas canvas = new PdfCanvas(page1);
canvas.BeginText();
canvas.SetFontAndSize(PdfFontFactory.CreateFont(FontConstants.COURIER), 24);
canvas.SetTextMatrix(1, 0, 0, 1, 32, 512);
PdfStructElem paragraph = doc.AddKid(new PdfStructElem(document, PdfName.P));
PdfStructElem span1 = paragraph.AddKid(new PdfStructElem(document, PdfName.Span, page1));
canvas.OpenTag(new CanvasTag(span1.AddKid(new PdfMcrNumber(page1, span1))));
canvas.ShowText("Hello ");
canvas.CloseTag();
canvas.OpenTag(new CanvasTag(span1.AddKid(new PdfMcrDictionary(page1, span1))));
canvas.ShowText("World");
canvas.CloseTag();
canvas.EndText();
canvas.Release();
PdfPage page2 = document.AddNewPage();
canvas = new PdfCanvas(page2);
canvas.BeginText();
canvas.SetFontAndSize(PdfFontFactory.CreateFont(FontConstants.HELVETICA), 24);
canvas.SetTextMatrix(1, 0, 0, 1, 32, 512);
paragraph = doc.AddKid(new PdfStructElem(document, PdfName.P));
span1 = paragraph.AddKid(new PdfStructElem(document, PdfName.Span, page2));
canvas.OpenTag(new CanvasTag(span1.AddKid(new PdfMcrNumber(page2, span1))));
canvas.ShowText("Hello ");
canvas.CloseTag();
PdfStructElem span2 = paragraph.AddKid(new PdfStructElem(document, PdfName.Span, page2));
canvas.OpenTag(new CanvasTag(span2.AddKid(new PdfMcrNumber(page2, span2))));
canvas.ShowText("World");
canvas.CloseTag();
canvas.EndText();
canvas.Release();
page1.Flush();
page2.Flush();
document.Close();
CompareResult("structElemTest01.pdf", "cmp_structElemTest01.pdf", "diff_structElem_01_");
}
public virtual void StructElemTest06()
{
PdfWriter writer = new PdfWriter(destinationFolder + "structElemTest06.pdf");
writer.SetCompressionLevel(CompressionConstants.NO_COMPRESSION);
PdfDocument document = new PdfDocument(writer);
document.SetTagged();
PdfStructElem doc = document.GetStructTreeRoot().AddKid(new PdfStructElem(document, PdfName.Document));
PdfPage page = document.AddNewPage();
PdfCanvas canvas = new PdfCanvas(page);
canvas.BeginText();
canvas.SetFontAndSize(PdfFontFactory.CreateFont(StandardFonts.COURIER), 14);
canvas.SetTextMatrix(1, 0, 0, 1, 32, 512);
PdfStructElem paragraph = doc.AddKid(new PdfStructElem(document, PdfName.P));
PdfStructElem span1 = paragraph.AddKid(new PdfStructElem(document, PdfName.Span, page));
canvas.OpenTag(new CanvasTag(span1.AddKid(new PdfMcrNumber(page, span1))).AddProperty(PdfName.Lang, new PdfString
("en-US")).AddProperty(PdfName.ActualText, new PdfString("The actual text is: Text with property list"
)));
canvas.ShowText("Text with property list");
canvas.CloseTag();
canvas.EndText();
canvas.Release();
document.Close();
CompareResult("structElemTest06.pdf", "cmp_structElemTest06.pdf", "diff_structElem_06_");
}
/// <summary>Removes the current tag.</summary>
/// <remarks>
/// Removes the current tag. If it has kids, they will become kids of the current tag parent.
/// This method call moves this
/// <c>TagTreePointer</c>
/// to the current tag parent.
/// <br /><br />
/// You cannot remove root tag, and also you cannot remove the tag if it's parent is already flushed;
/// in this two cases an exception will be thrown.
/// </remarks>
/// <returns>
/// this
/// <see cref="TagStructureContext"/>
/// instance.
/// </returns>
public virtual iText.Kernel.Pdf.Tagutils.TagTreePointer RemoveTag()
{
PdfStructElem currentStructElem = GetCurrentStructElem();
IStructureNode parentElem = currentStructElem.GetParent();
if (parentElem is PdfStructTreeRoot)
{
throw new PdfException(PdfException.CannotRemoveDocumentRootTag);
}
IList <IStructureNode> kids = currentStructElem.GetKids();
PdfStructElem parent = (PdfStructElem)parentElem;
if (parent.IsFlushed())
{
throw new PdfException(PdfException.CannotRemoveTagBecauseItsParentIsFlushed);
}
// remove waiting tag state if tag is removed
Object objForStructDict = tagStructureContext.GetWaitingTagsManager().GetObjForStructDict(currentStructElem
.GetPdfObject());
tagStructureContext.GetWaitingTagsManager().RemoveWaitingState(objForStructDict);
int removedKidIndex = parent.RemoveKid(currentStructElem);
PdfIndirectReference indRef = currentStructElem.GetPdfObject().GetIndirectReference();
if (indRef != null)
{
// TODO how about possible references to structure element from refs or structure destination for instance?
indRef.SetFree();
}
foreach (IStructureNode kid in kids)
{
if (kid is PdfStructElem)
{
parent.AddKid(removedKidIndex++, (PdfStructElem)kid);
}
else
{
PdfMcr mcr = PrepareMcrForMovingToNewParent((PdfMcr)kid, parent);
parent.AddKid(removedKidIndex++, mcr);
}
}
currentStructElem.GetPdfObject().Clear();
SetCurrentStructElem(parent);
return(this);
}
public virtual void StructElemTest05()
{
FileStream fos = new FileStream(destinationFolder + "structElemTest05.pdf", FileMode.Create);
PdfWriter writer = new PdfWriter(fos);
writer.SetCompressionLevel(CompressionConstants.NO_COMPRESSION);
PdfDocument document = new PdfDocument(writer);
document.SetTagged();
PdfStructElem doc = document.GetStructTreeRoot().AddKid(new PdfStructElem(document, PdfName.Document));
PdfPage page = document.AddNewPage();
PdfCanvas canvas = new PdfCanvas(page);
canvas.BeginText();
canvas.SetFontAndSize(PdfFontFactory.CreateFont(FontConstants.COURIER), 14);
canvas.SetTextMatrix(1, 0, 0, 1, 32, 512);
PdfStructElem paragraph = doc.AddKid(new PdfStructElem(document, PdfName.P));
PdfStructElem span1 = paragraph.AddKid(new PdfStructElem(document, PdfName.Span, page));
canvas.OpenTag(new CanvasTag(span1.AddKid(new PdfMcrNumber(page, span1))));
canvas.ShowText("Click ");
canvas.CloseTag();
PdfStructElem link = paragraph.AddKid(new PdfStructElem(document, PdfName.Link, page));
canvas.OpenTag(new CanvasTag(link.AddKid(new PdfMcrNumber(page, link))));
canvas.SetFillColorRgb(0, 0, 1).ShowText("here");
PdfLinkAnnotation linkAnnotation = new PdfLinkAnnotation(new Rectangle(80, 508, 40, 18));
linkAnnotation.SetColor(new float[] { 0, 0, 1 }).SetBorder(new PdfArray(new float[] { 0, 0, 1 }));
page.AddAnnotation(-1, linkAnnotation, false);
link.AddKid(new PdfObjRef(linkAnnotation, link));
canvas.CloseTag();
PdfStructElem span2 = paragraph.AddKid(new PdfStructElem(document, PdfName.Span, page));
canvas.OpenTag(new CanvasTag(span2.AddKid(new PdfMcrNumber(page, span2))));
canvas.SetFillColorRgb(0, 0, 0);
canvas.ShowText(" to visit iText site.");
canvas.CloseTag();
canvas.EndText();
canvas.Release();
document.Close();
CompareResult("structElemTest05.pdf", "cmp_structElemTest05.pdf", "diff_structElem_05_");
}
private void AddStructTreeRootKidsToTheRootTag(IList <IStructureNode> rootKids)
{
int originalRootKidsIndex = 0;
bool isBeforeOriginalRoot = true;
foreach (IStructureNode elem in rootKids)
{
// StructTreeRoot kids are always PdfStructElement, so we are save here to cast it
PdfStructElem kid = (PdfStructElem)elem;
if (kid.GetPdfObject() == rootTagElement.GetPdfObject())
{
isBeforeOriginalRoot = false;
continue;
}
// This boolean is used to "flatten" possible deep "stacking" of the tag structure in case of the multiple pages copying operations.
// This could happen due to the wrapping of all the kids in the createNewRootTag or ensureExistingRootTagIsDocument methods.
// And therefore, we don't need here to resolve mappings, because we exactly know which role we set.
bool kidIsDocument = PdfName.Document.Equals(kid.GetRole());
if (kidIsDocument && kid.GetNamespace() != null && context.TargetTagStructureVersionIs2())
{
// we flatten only tags of document role in standard structure namespace
String kidNamespaceName = kid.GetNamespace().GetNamespaceName();
kidIsDocument = StandardNamespaces.PDF_1_7.Equals(kidNamespaceName) || StandardNamespaces.PDF_2_0.Equals(kidNamespaceName
);
}
if (isBeforeOriginalRoot)
{
rootTagElement.AddKid(originalRootKidsIndex, kid);
originalRootKidsIndex += kidIsDocument ? kid.GetKids().Count : 1;
}
else
{
rootTagElement.AddKid(kid);
}
if (kidIsDocument)
{
RemoveOldRoot(kid);
}
}
}
public virtual void StructElemTest07()
{
PdfWriter writer = new PdfWriter(destinationFolder + "structElemTest07.pdf");
writer.SetCompressionLevel(CompressionConstants.NO_COMPRESSION);
PdfDocument document = new PdfDocument(writer);
document.SetTagged();
PdfStructElem doc = document.GetStructTreeRoot().AddKid(new PdfStructElem(document, PdfName.Document));
PdfPage page = document.AddNewPage();
PdfCanvas canvas = new PdfCanvas(page);
canvas.BeginText();
canvas.SetFontAndSize(PdfFontFactory.CreateFont(StandardFonts.COURIER), 24);
canvas.SetTextMatrix(1, 0, 0, 1, 32, 512);
PdfStructElem paragraph = doc.AddKid(new PdfStructElem(document, PdfName.P));
PdfStructElem span1 = paragraph.AddKid(new PdfStructElem(document, PdfName.Span, page));
canvas.OpenTag(new CanvasTag(span1.AddKid(new PdfMcrNumber(page, span1))));
canvas.ShowText("Hello ");
canvas.CloseTag();
PdfStructElem span2 = paragraph.AddKid(new PdfStructElem(document, new PdfName("Chunk"), page));
canvas.OpenTag(new CanvasTag(span2.AddKid(new PdfMcrNumber(page, span2))));
canvas.ShowText("World");
canvas.CloseTag();
canvas.EndText();
canvas.Release();
PdfNamespace @namespace = new PdfNamespace("http://www.w3.org/1999/xhtml");
span1.SetNamespace(@namespace);
span1.AddRef(span2);
span1.SetPhoneticAlphabet(PdfName.ipa);
span1.SetPhoneme(new PdfString("Heeeelllloooooo"));
@namespace.AddNamespaceRoleMapping(StandardRoles.SPAN, StandardRoles.SPAN);
document.GetStructTreeRoot().AddNamespace(@namespace);
page.Flush();
document.Close();
CompareResult("structElemTest07.pdf", "cmp_structElemTest07.pdf", "diff_structElem_07_");
}
internal virtual int CreateNextMcidForStructElem(PdfStructElem elem, int index)
{
ThrowExceptionIfCurrentPageIsNotInited();
PdfMcr mcr;
if (!MarkedContentNotInPageStream() && EnsureElementPageEqualsKidPage(elem, currentPage.GetPdfObject()))
{
mcr = new PdfMcrNumber(currentPage, elem);
}
else
{
mcr = new PdfMcrDictionary(currentPage, elem);
if (MarkedContentNotInPageStream())
{
((PdfDictionary)mcr.GetPdfObject()).Put(PdfName.Stm, contentStream);
}
}
elem.AddKid(index, mcr);
return(mcr.GetMcid());
}
public virtual void StructElemTest04()
{
MemoryStream baos = new MemoryStream();
PdfWriter writer = new PdfWriter(baos);
writer.SetCompressionLevel(CompressionConstants.NO_COMPRESSION);
PdfDocument document = new PdfDocument(writer);
document.SetTagged();
document.GetStructTreeRoot().GetRoleMap().Put(new PdfName("Chunk"), PdfName.Span);
PdfStructElem doc = document.GetStructTreeRoot().AddKid(new PdfStructElem(document, PdfName.Document));
PdfPage page = document.AddNewPage();
PdfCanvas canvas = new PdfCanvas(page);
canvas.BeginText();
canvas.SetFontAndSize(PdfFontFactory.CreateFont(StandardFonts.COURIER), 24);
canvas.SetTextMatrix(1, 0, 0, 1, 32, 512);
PdfStructElem paragraph = doc.AddKid(new PdfStructElem(document, PdfName.P));
PdfStructElem span1 = paragraph.AddKid(new PdfStructElem(document, PdfName.Span, page));
canvas.OpenTag(new CanvasTag(span1.AddKid(new PdfMcrNumber(page, span1))));
canvas.ShowText("Hello ");
canvas.CloseTag();
PdfStructElem span2 = paragraph.AddKid(new PdfStructElem(document, new PdfName("Chunk"), page));
canvas.OpenTag(new CanvasTag(span2.AddKid(new PdfMcrNumber(page, span2))));
canvas.ShowText("World");
canvas.CloseTag();
canvas.EndText();
canvas.Release();
page.Flush();
document.Close();
byte[] bytes = baos.ToArray();
PdfReader reader = new PdfReader(new MemoryStream(bytes));
writer = new PdfWriter(destinationFolder + "structElemTest04.pdf");
writer.SetCompressionLevel(CompressionConstants.NO_COMPRESSION);
document = new PdfDocument(reader, writer);
page = document.GetPage(1);
canvas = new PdfCanvas(page);
PdfStructElem p = (PdfStructElem)document.GetStructTreeRoot().GetKids()[0].GetKids()[0];
canvas.BeginText();
canvas.SetFontAndSize(PdfFontFactory.CreateFont(StandardFonts.COURIER), 24);
canvas.SetTextMatrix(1, 0, 0, 1, 32, 490);
//Inserting span between of 2 existing ones.
span1 = p.AddKid(1, new PdfStructElem(document, PdfName.Span, page));
canvas.OpenTag(new CanvasTag(span1.AddKid(new PdfMcrNumber(page, span1))));
canvas.ShowText("text1");
canvas.CloseTag();
//Inserting span at the end.
span1 = p.AddKid(new PdfStructElem(document, PdfName.Span, page));
canvas.OpenTag(new CanvasTag(span1.AddKid(new PdfMcrNumber(page, span1))));
canvas.ShowText("text2");
canvas.CloseTag();
canvas.EndText();
canvas.Release();
page.Flush();
document.Close();
CompareResult("structElemTest04.pdf", "cmp_structElemTest04.pdf", "diff_structElem_04_");
}
