public override void Draw(DrawContext drawContext)
{
base.Draw(drawContext);
Rectangle rect = this.GetOccupiedAreaBBox();
PdfDestination dest = PdfExplicitDestination.CreateFitH(drawContext.GetDocument().GetLastPage(), rect.GetTop
());
PdfOutline outline = this.parent.AddOutline(this.title);
outline.AddDestination(dest);
}
public override void Draw(DrawContext drawContext)
{
base.Draw(drawContext);
String name = "dest" + (counter++);
int pageNumber = occupiedArea.GetPageNumber();
toc.Add(new KeyValuePair <String, KeyValuePair <String, int> >(((Text)modelElement).GetText(),
new KeyValuePair <String, int>(name, pageNumber)));
PdfPage page = drawContext.GetDocument().GetPage(pageNumber);
drawContext.GetDocument().AddNamedDestination(name,
PdfExplicitDestination.CreateFitH(page, page.GetPageSize().GetTop()).GetPdfObject());
}
public virtual void CreatePdf(String dest)
{
PdfDocument pdf = new PdfDocument(new PdfWriter(dest));
Document document = new Document(pdf);
PdfDestination jekyll = PdfExplicitDestination.CreateFitH(1, 416);
PdfDestination hyde = PdfExplicitDestination.CreateXYZ(1, 150, 516, 2);
PdfDestination jekyll2 = PdfExplicitDestination.CreateFitR(2, 50, 380, 130, 440);
document.Add(new Paragraph().Add(new Link("Link to Dr. Jekyll", jekyll)));
document.Add(new Paragraph().Add(new Link("Link to Mr. Hyde", hyde)));
document.Add(new Paragraph().Add(new Link("Link to Dr. Jekyll on page 2", jekyll2)));
document.Add(new Paragraph().SetFixedPosition(50, 400, 80).Add("Dr. Jekyll"));
document.Add(new Paragraph().SetFixedPosition(150, 500, 80).Add("Mr. Hyde"));
document.Add(new AreaBreak(AreaBreakType.NEXT_PAGE));
document.Add(new Paragraph().SetFixedPosition(50, 400, 80).Add("Dr. Jekyll on page 2"));
document.Close();
}
/// <summary>Creates a GoToR action, or remote action (section 12.6.4.3 of ISO 32000-1).</summary>
/// <param name="filename">the remote destination file to jump to</param>
/// <param name="pageNum">the remote destination document page to jump to</param>
/// <param name="newWindow">a flag specifying whether to open the destination document in a new window</param>
/// <returns>created action</returns>
public static iText.Kernel.Pdf.Action.PdfAction CreateGoToR(String filename, int pageNum, bool newWindow)
{
return(CreateGoToR(new PdfStringFS(filename), PdfExplicitDestination.CreateFitH(pageNum, 10000), newWindow
));
}
/// <summary>
/// Updates the links.
/// </summary>
/// <param name="pdfFilePath">The PDF file path.</param>
/// <param name="htmlToPdfFiles">The HTML to PDF files.</param>
/// <param name="logger">The logger.</param>
internal static void UpdateLinks(
string pdfFilePath,
IReadOnlyCollection <HtmlToPdfFile> htmlToPdfFiles,
ILogger logger)
{
string tempFilePath = Path.GetTempFileName();
using (PdfReader pdfReader = new PdfReader(pdfFilePath))
{
using (PdfWriter pdfWriter = new PdfWriter(tempFilePath))
{
using (iText.Kernel.Pdf.PdfDocument pdfDocument = new iText.Kernel.Pdf.PdfDocument(pdfReader, pdfWriter))
{
int pageCount = pdfDocument.GetNumberOfPages();
for (int i = 1; i <= pageCount; i++)
{
// get page
PdfPage pdfPage = pdfDocument.GetPage(i);
// get link annotations
IEnumerable <PdfLinkAnnotation> linkAnnotations = pdfPage.GetAnnotations().OfType <PdfLinkAnnotation>();
foreach (PdfLinkAnnotation linkAnnotation in linkAnnotations)
{
// get action
PdfDictionary action = linkAnnotation.GetAction();
if (action == null)
{
continue;
}
PdfName s = action.GetAsName(PdfName.S);
if (s != PdfName.URI)
{
continue;
}
PdfString uriPdfString = action.GetAsString(PdfName.URI);
if (!Uri.TryCreate(uriPdfString.GetValue(), UriKind.RelativeOrAbsolute, out Uri uri))
{
continue;
}
if (!uri.IsFile)
{
continue;
}
string htmlFilePath = uri.LocalPath.ToLower();
if (!htmlToPdfFiles.Any(x => string.Compare(x.Input, htmlFilePath, StringComparison.OrdinalIgnoreCase) == 0))
{
// ex. when printing PDF from TOC.html by itself
logger.LogDebug($"Could not find '{htmlFilePath}'. Referenced in '{pdfFilePath}' on page {i}.");
continue;
}
HtmlToPdfFile linkedHtmlToPdfFile = htmlToPdfFiles.Single(x => x.Input == htmlFilePath);
int linkedPageNumber = linkedHtmlToPdfFile.OutputPdfFilePageNumber;
PdfPage linkedPage;
try
{
// http://api.itextpdf.com/itext/com/itextpdf/text/pdf/PdfDestination.html
linkedPage = pdfDocument.GetPage(linkedPageNumber);
}
catch (Exception ex)
{
throw new PdfPageNotFoundException(linkedPageNumber, linkedHtmlToPdfFile.Input, ex);
}
float top = linkedPage.GetPageSize().GetTop();
PdfExplicitDestination destination = PdfExplicitDestination.CreateFitH(linkedPage, top);
PdfAction newAction = PdfAction.CreateGoTo(destination);
linkAnnotation.SetAction(newAction);
}
}
}
}
}
File.Delete(pdfFilePath);
File.Move(tempFilePath, pdfFilePath);
}