static void Main(string[] args)
{
Console.WriteLine("PDFObject Sample:");
// ReSharper disable once UnusedVariable
using (Library lib = new Library())
{
String sInput = Library.ResourceDirectory + "Sample_Input/sample_links.pdf";
String sOutput = "PDFObject-out.pdf";
if (args.Length > 0)
{
sInput = args[0];
}
if (args.Length > 1)
{
sOutput = args[1];
}
Console.WriteLine("Input file: " + sInput + ". Writing to output " + sOutput);
Document doc = new Document(sInput);
Page page = doc.GetPage(0);
LinkAnnotation annot = (LinkAnnotation)page.GetAnnotation(1);
URIAction uri = (URIAction)annot.Action;
// Print some info about the URI action, before we modify it
Console.WriteLine("Initial URL: " + uri.URI);
Console.WriteLine("Is Map property: " + uri.IsMap);
// Modify the URIAction
//
// A URI action is a dictionary containing:
// Key: S Contents: a name object with the value "URI" (required)
// Key: URI Contents: a string object for the uniform resource locator (required)
// Key: IsMap Contents: a boolean for whether the link is part of a map (optional)
// (see section 8.5.3, "Action Types", of the PDF Reference)
//
// We will change the URI entry and delete the IsMap entry for this dictionary
PDFDict uri_dict = uri.PDFDict; // Extract the dictionary
// Create a new string object
PDFString uri_string = new PDFString("http://www.google.com", doc, false, false);
uri_dict.Put("URI", uri_string); // Change the URI (replaces the old one)
uri_dict.Remove("IsMap"); // Remove the IsMap entry
// Check that we deleted the IsMap entry
Console.WriteLine("Does this dictionary have an IsMap entry? " + uri_dict.Contains("IsMap"));
doc.Save(SaveFlags.Full, sOutput);
doc.Close();
// Check the modified contents of the link
doc = new Document(sOutput);
page = doc.GetPage(0);
annot = (LinkAnnotation)page.GetAnnotation(1);
uri = (URIAction)annot.Action;
Console.WriteLine("Modified URL: " + uri.URI);
Console.WriteLine("Is Map property (if not present, defaults to false): " + uri.IsMap);
}
}
static void Main(string[] args)
{
Console.WriteLine("ModifyLinkAnnotDests Sample:");
using (Library lib = new Library())
{
Console.WriteLine("Initialized the library.");
// String sInput = Library.ResourceDirectory + "Sample_Input/Custom/IdexxJoeParzel/url_issue_1.pdf"; // Example of Action with javascript launch
// String sOutput = "../url_issue_1-out.pdf"; //
String sInput = Library.ResourceDirectory + "Sample_Input/Custom/IdexxJoeParzel/url_issue_2.pdf"; // Example of Actiom with URI (annot 2)
String sOutput = "../url_issue_2-out.pdf"; //
if (args.Length > 0)
{
sInput = args[0];
}
if (args.Length > 1)
{
sOutput = args[1];
}
Console.WriteLine("Input file: " + sInput);
Document doc = new Document(sInput);
int totalPages = doc.NumPages;
int pageNum = 0;
int annotNum = 0;
int numReplaced = 0;
for (pageNum = 0; pageNum < doc.NumPages; pageNum++)
{
Page pg = doc.GetPage(pageNum);
for (annotNum = 0; annotNum < pg.NumAnnotations; annotNum++)
{
Annotation ann = pg.GetAnnotation(annotNum);
Console.WriteLine("Page: " + pageNum + " Annot: " + annotNum + " Title: " + ann.Title);
if (ann is LinkAnnotation)
{
if (ann.PDFDict.Contains("A"))
{
Console.WriteLine("Action found");
PDFDict actionDict = (PDFDict)ann.PDFDict.Get("A");
//Console.WriteLine("JS = " + jsPDFString.ToString());
if (actionDict.Contains("JS"))
{
PDFString jsPDFString = (PDFString)actionDict.Get("JS");
Console.WriteLine("JS = " + jsPDFString.Value);
PDFString newvalue = new PDFString("app.launchURL(\"https://www.datalogics.com\", true);", doc, false, false);
actionDict.Put("JS", newvalue);
numReplaced++;
}
if (actionDict.Contains("URI"))
{
PDFString uriPDFString = (PDFString)actionDict.Get("URI");
Console.WriteLine("URI = " + uriPDFString.Value);
PDFString newvalue = new PDFString("https://www.datalogics.com", doc, false, false);
actionDict.Put("URI", newvalue);
numReplaced++;
}
}
}
}
} // for page loop
if (numReplaced > 0)
{
Console.WriteLine("Replaced " + numReplaced + " link destinations.");
doc.Save(SaveFlags.Full | SaveFlags.Linearized, sOutput);
}
}
}
