public static void Run(
String email, // authorization email
String licenseKey, // authorization license key
String openPath, // source PDF document
String savePath // dest PDF document
)
{
pdfix = new Pdfix();
if (pdfix == null)
{
throw new Exception("Pdfix initialization fail");
}
if (!pdfix.Authorize(email, licenseKey))
{
throw new Exception(pdfix.GetErrorType().ToString());
}
PdfDoc doc = pdfix.OpenDoc(openPath, "");
if (doc == null)
{
throw new Exception(pdfix.GetError());
}
// cleanup any previous structure tree
if (!doc.RemoveTags(null, IntPtr.Zero))
{
throw new Exception(pdfix.GetErrorType().ToString());
}
// autotag document first
if (!doc.AddTags(null, IntPtr.Zero))
{
throw new Exception(pdfix.GetErrorType().ToString());
}
// get the struct tree
PdsStructTree struct_tree = doc.GetStructTree();
if (struct_tree == null)
{
throw new Exception(pdfix.GetErrorType().ToString());
}
PdsStructElement paragraph = GetFirstParagraph(struct_tree);
if (paragraph == null)
{
throw new Exception("No paragraph found.");
}
PdfRect annot_bbox = new PdfRect();
GetStructElementBBox(paragraph, ref annot_bbox);
// add new link annotation to the page
PdfPage page = doc.AcquirePage(0);
PdfLinkAnnot annot = page.AddLinkAnnot(0, annot_bbox);
if (annot == null)
{
throw new Exception(pdfix.GetErrorType().ToString());
}
// re-tag the document the link annotation
if (!doc.RemoveTags(null, IntPtr.Zero))
{
throw new Exception(pdfix.GetErrorType().ToString());
}
if (!doc.AddTags(null, IntPtr.Zero))
{
throw new Exception(pdfix.GetErrorType().ToString());
}
if (!doc.Save(savePath, PdfSaveFlags.kSaveFull))
{
throw new Exception(pdfix.GetError());
}
doc.Close();
pdfix.Destroy();
}