private bool LinksAreSame(PdfAnnotation.PdfImportedLink cmpLink, PdfAnnotation.PdfImportedLink outLink)
{
// Compare link boxes, page numbers the links refer to, and simple parameters (non-indirect, non-arrays, non-dictionaries)
if (cmpLink.GetDestinationPage() != outLink.GetDestinationPage())
{
return(false);
}
if (!cmpLink.GetRect().ToString().Equals(outLink.GetRect().ToString()))
{
return(false);
}
IDictionary <PdfName, PdfObject> cmpParams = cmpLink.GetParameters();
IDictionary <PdfName, PdfObject> outParams = outLink.GetParameters();
if (cmpParams.Count != outParams.Count)
{
return(false);
}
foreach (KeyValuePair <PdfName, PdfObject> cmpEntry in cmpParams)
{
PdfObject cmpObj = cmpEntry.Value;
if (!outParams.ContainsKey(cmpEntry.Key))
{
return(false);
}
PdfObject outObj = outParams[cmpEntry.Key];
if (cmpObj.Type != outObj.Type)
{
return(false);
}
switch (cmpObj.Type)
{
case PdfObject.NULL:
case PdfObject.BOOLEAN:
case PdfObject.NUMBER:
case PdfObject.STRING:
case PdfObject.NAME:
if (!cmpObj.ToString().Equals(outObj.ToString()))
{
return(false);
}
break;
}
}
return(true);
}
virtual public void TestGetLink()
{
string testFile = TestResourceUtils.GetResourceAsTempFile(TEST_RESOURCES_PATH, "getLinkTest1.pdf");
PdfReader currentReader = new PdfReader(testFile);
Document document = new Document(PageSize.A4, 0, 0, 0, 0);
PdfWriter writer = PdfWriter.GetInstance(document, new MemoryStream());
document.Open();
document.NewPage();
List <PdfAnnotation.PdfImportedLink> links = currentReader.GetLinks(1);
PdfAnnotation.PdfImportedLink link = links[0];
writer.AddAnnotation(link.CreateAnnotation(writer));
document.Close();
currentReader.Close();
}
void myproc2(PdfReader currentReader, PdfWriter writer, PdfDocument document)
{
int firstPage = 1, dPage, newDestPage;
float ee, ff, a, e, f;
float W = PageSize.A4.Width / 2;
float H = PageSize.A4.Height / 2;
for (int page = 1; page <= currentReader.NumberOfPages; page++)
{
//PdfImportedPage importedPage = writer.GetImportedPage(currentReader, page);
a = 0.5f;
e = (page % 2 == 0) ? W : 0;
f = (page % 4 == 1 || page % 4 == 2) ? H : 0;
var links = currentReader.GetLinks(page);
//a cb.AddTemplate(importedPage, a, 0, 0, a, e, f);
for (int j = 0; j < links.Count; j++)
{
PdfAnnotation.PdfImportedLink link = (PdfAnnotation.PdfImportedLink)links[j];
if (link.IsInternal())
{
dPage = link.GetDestinationPage();
newDestPage = (dPage - 1) / 4 + firstPage;
ee = (dPage % 2 == 0) ? W : 0;
ff = (dPage % 4 == 1 || dPage % 4 == 2) ? H : 0;
link.SetDestinationPage(newDestPage);
link.TransformDestination(a, 0, 0, a, ee, ff);
}
link.TransformRect(a, 0, 0, a, e, f);
writer.AddAnnotation(link.CreateAnnotation(writer));
}
if (page % 4 == 0)
{
document.NewPage();
}
}
}
