static string[] get_button_info(PDFDict field)
{
string svalue;
string sdefault_value;
PDFObject entry;
entry = field.Get("V");
if (entry is PDFName)
{
PDFName field_value_name = (PDFName)entry;
svalue = "Value: " + field_value_name.Value;
}
else
{
svalue = "";
}
entry = field.Get("DV");
if (entry is PDFName)
{
PDFName field_defvalue_name = (PDFName)entry;
sdefault_value = "Default Value: " + field_defvalue_name.Value;
}
else
{
sdefault_value = "";
}
return(new string[] { svalue, sdefault_value });
}
private void updateDictionaryKey(PDFDict pdfDict, string newKey, string oldKey)
{
PDFObject valueInDict = pdfDict.Get(oldKey);
pdfDict.Remove(oldKey);
pdfDict.Put(newKey, valueInDict);
}
static string[] get_sig_info(PDFDict field)
{
String filterName = null;
String signerName = null;
String contactInfo = null;
String location = null;
String reason = null;
String sigM = null;
PDFObject entry;
entry = field.Get("V");
if (entry is PDFDict)
{
// Extracting Signature Dictionary entries, as per Table 8.102 in the PDF (v1.7) Reference.
var sigDict = entry as PDFDict;
filterName = "Filter: " + (sigDict.Get("Filter") as PDFName).Value;
//The following are optional.
signerName = (sigDict.Contains("Name") ? "Name: " + (sigDict.Get("Name") as PDFString).Value : "");
reason = (sigDict.Contains("Reason") ? "Reason: " + (sigDict.Get("Reason") as PDFString).Value : "");
contactInfo = (sigDict.Contains("ContactInfo") ? "ContactInfo: " + (sigDict.Get("ContactInfo") as PDFString).Value : "");
location = (sigDict.Contains("Location") ? "Location: " + (sigDict.Get("Location") as PDFString).Value : "");
sigM = (sigDict.Contains("M") ? "M: " + (sigDict.Get("M") as PDFString).Value : "");
return(new string[] { filterName, signerName, contactInfo, location, reason, sigM });
}
return(new string[] { "", });
}
private void editSelectedDictValue(PDFDict selectedDict, string key, object newValue)
{
PDFObject newPDFObject = createNewValueForSelectedScalar(selectedDict.Get(key), newValue.ToString());
updateDictionaryValue(selectedDict, key, newPDFObject);
//refresh the tree
selectedDict.EnumPDFObjects(new EnumObjectsForTree(selectedNodeBeforeEdit));
mainWindow.expandNode(selectedNodeBeforeEdit);
}
static string[] get_text_info(PDFDict field)
{
string svalue;
string sdefault_value;
string sMax_Length;
PDFObject entry;
entry = field.Get("V");
if (entry is PDFString)
{
PDFString value = (PDFString)entry;
svalue = "Value: " + value.Value;
}
else
{
svalue = "";
}
entry = field.Get("DV");
if (entry is PDFString)
{
PDFString defvalue = (PDFString)entry;
sdefault_value = "Default Value: " + defvalue.Value;
}
else
{
sdefault_value = "";
}
entry = field.Get("MaxLen");
if (entry is PDFInteger)
{
PDFInteger int_entry = (PDFInteger)entry;
int nMax_Length = 0;
nMax_Length = int_entry.Value;
sMax_Length = String.Format("Max Length: {0}", nMax_Length);
}
else
{
sMax_Length = "";
}
return(new string[] { svalue, sdefault_value, sMax_Length });
}
static void Main(string[] args)
{
Console.WriteLine("FormWalker Sample:");
FileStream fs = new FileStream("FormWalkerOutput.log", FileMode.Create);
// First, save the standard output.
TextWriter tmp = Console.Out;
StreamWriter sw = new StreamWriter(fs);
Console.SetOut(sw);
using (Library lib = new Library())
{
Console.WriteLine("Initialized the library.");
String sInput1 = Library.ResourceDirectory + "Sample_Input/MultipleSignatures.pdf";
if (args.Length > 0)
{
sInput1 = args[0];
}
Document doc = new Document(sInput1);
Console.WriteLine("Opened document " + sInput1);
Console.WriteLine("");
PDFObject form_entry = doc.Root.Get("AcroForm");
if (form_entry is PDFDict)
{
PDFDict form_root = (PDFDict)form_entry;
DisplayRootDictionary(form_root);
PDFObject fields_entry = form_root.Get("Fields");
if (fields_entry is PDFArray)
{
PDFArray fields = (PDFArray)fields_entry;
for (int i = 0; i < fields.Length; i++)
{
PDFObject field_entry = fields.Get(i);
enumerate_field(field_entry, "");
}
}
}
Console.SetOut(tmp);
sw.Close();
Console.WriteLine("Done.");
}
}
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);
}
}
}
static void DisplayRootDictionary(PDFDict formsRoot)
{
PDFObject entry;
bool bNeedAppearances = false;
int nSigFlags = 0;
bool bCalcOrder = false;
bool bDefaultResource = false;
bool bDefaultAppearance = false;
bool bXFAForms = false;
int QuadMode = -1;
string sQuadMode = "unkown";
entry = formsRoot.Get("NeedAppearances");
if (entry is PDFBoolean)
{
PDFBoolean needAppearances = (PDFBoolean)entry;
bNeedAppearances = needAppearances.Value;
}
Console.WriteLine("NeedAppearances: " + (bNeedAppearances ? "True" : "False"));
entry = formsRoot.Get("SigFlags");
if (entry is PDFInteger)
{
PDFInteger sigFlags = (PDFInteger)entry;
nSigFlags = sigFlags.Value;
}
if (nSigFlags == 0)
{
Console.WriteLine("Document has no signatures.");
}
else
{
if ((nSigFlags & 1) == 1)
{
Console.WriteLine("Document has signatures.");
}
if ((nSigFlags & 2) == 2)
{
Console.WriteLine("Signatures: Document may append only.");
}
}
entry = formsRoot.Get("CO");
if (entry is PDFDict)
{
bCalcOrder = true;
}
Console.WriteLine(String.Format("Calculation Order Dictionary is {0}present.", (bCalcOrder?"":"not ")));
entry = formsRoot.Get("DR");
if (entry is PDFDict)
{
bDefaultResource = true;
}
Console.WriteLine(String.Format("Default Resource Dictionary is {0}present.", (bDefaultResource? "" : "not ")));
entry = formsRoot.Get("DA");
if (entry is PDFString)
{
bDefaultAppearance = true;
}
Console.WriteLine(String.Format("Default Appearance String is {0}present.", (bDefaultAppearance ? "" : "not ")));
entry = formsRoot.Get("Q");
if (entry is PDFInteger)
{
PDFInteger quad_entry = (PDFInteger)entry;
QuadMode = quad_entry.Value;
}
switch (QuadMode)
{
case -1: sQuadMode = "not present"; break;
case 0: sQuadMode = "Left"; break;
case 1: sQuadMode = "Centered"; break;
case 2: sQuadMode = "Right"; break;
}
Console.WriteLine(String.Format("Default Quad Mode is {0}.", sQuadMode));
entry = formsRoot.Get("XFA");
if (entry is PDFString)
{
bXFAForms = true;
}
Console.WriteLine(String.Format("XFA Forms are {0}present.", (bXFAForms ? "" : "not ")));
Console.WriteLine("");
}
static void enumerate_field(PDFObject field_entry, string prefix)
{
string name_part;
string field_name;
string alternate_name = null;
string mapping_name = null;
string field_type;
string[] field_info = null;
int field_flags = 0;
bool additional_actions = false;
bool javascript_formatting = false;
bool javascript_calculation = false;
bool javascript_validation = false;
PDFObject entry;
if (field_entry is PDFDict)
{
PDFDict field = (PDFDict)field_entry;
entry = (PDFString)field.Get("T");
if (entry is PDFString)
{
PDFString t = (PDFString)entry;
name_part = t.Value;
}
else
{
return;
}
if (prefix == "")
{
field_name = name_part;
}
else
{
field_name = string.Format("{0}.{1}", prefix, name_part);
}
entry = field.Get("Kids");
if (entry is PDFArray)
{
PDFArray kids = (PDFArray)entry;
for (int i = 0; i < kids.Length; i++)
{
PDFObject kid_entry = kids.Get(i);
enumerate_field(kid_entry, field_name);
}
}
else //no kids, so we are at an end-node.
{
Console.WriteLine("Name: " + field_name);
entry = field.Get("TU");
if (entry is PDFString)
{
PDFString tu = (PDFString)entry;
alternate_name = tu.Value;
}
entry = field.Get("TM");
if (entry is PDFString)
{
PDFString tm = (PDFString)entry;
mapping_name = tm.Value;
}
entry = field.Get("Ff");
if (entry is PDFInteger)
{
PDFInteger ff = (PDFInteger)entry;
field_flags = ff.Value;
}
entry = field.Get("AA");
if (entry is PDFDict)
{
additional_actions = true;
var aadict = entry as PDFDict;
javascript_formatting = aadict.Contains("F");
javascript_calculation = aadict.Contains("C");
javascript_validation = aadict.Contains("V");
}
entry = field.Get("FT");
if (entry is PDFName)
{
PDFName field_type_name = (PDFName)entry;
switch (field_type_name.Value)
{
case "Btn": field_type = "Button"; field_info = get_button_info(field); break;
case "Tx": field_type = "Text"; field_info = get_text_info(field); break;
case "Ch": field_type = "Choice"; field_info = get_choice_info(field); break;
case "Sig": field_type = "Signature"; field_info = get_sig_info(field); break;
default: field_type = field_type_name.Value; return;
}
}
else
{
field_type = "None";
}
if (alternate_name != null)
{
Console.WriteLine("Alternate Name: " + alternate_name);
}
if (mapping_name != null)
{
Console.WriteLine("Mapping Name: " + mapping_name);
}
if (additional_actions)
{
Console.WriteLine("Additional Actions: Javascript {0}{1}{2}.",
javascript_validation?"Validation, ":"",
javascript_calculation?"Calculation, ":"",
javascript_formatting?"Formatting":"");
}
Console.WriteLine("Type: " + field_type);
if (field_flags != 0)
{
bool[] flags = new bool[28];
for (int bitpos = 1; bitpos < flags.Length; bitpos++)
{
flags[bitpos] = (0 != (field_flags & (0x1 << bitpos - 1)));
}
if (field_type == "Signature")
{
Console.WriteLine(String.Format("Signature Flags: {0:x8}: requires {1}{2}{3}{4}{5}{6}{7}", field_flags,
flags[1]?"Filter, ":"",
flags[2]?"SubFilter, ":"",
flags[3]?"V, ":"",
flags[4]?"Reason, ":"",
flags[5]?"LegalAttestation, ":"",
flags[6]?"AddRevInfo, ":"",
flags[7]?"DigestMethod":""
));
}
else
{
Console.WriteLine(String.Format("Format Flags: {0:x8}: {1}{2}{3}{4}{5}{6}{7}{8}{9}{10}{11}{12}{13}{14}{15}{16}{17}{18}", field_flags,
flags[1]?"ReadOnly ":"",
flags[2]?"Required ":"",
flags[3]?"NoExport ":"",
flags[13]?"MultiLine ":"",
flags[14]?"Password ":"",
flags[15]?"NoToggleToOff ":"",
flags[16]?"Radio ":"",
flags[17]?"PushButton ":"",
flags[18]?"Combo ":"",
flags[19]?"Edit ":"",
flags[20]?"Sort ":"",
flags[21]?"FileSelect ":"",
flags[22]?"MultiSelect ":"",
flags[23]?"DoNotSpellCheck ":"",
flags[24]?"DoNotScroll ":"",
flags[25]?"Comb ":"",
flags[26]?(field_type == "Text"?"RichText":(field_type == "Button"?"RadiosInUnison":"?")):"",
flags[27]?"CommitOnSelChange ":""
));
}
}
foreach (string item in field_info)
{
if (item != "")
{
Console.WriteLine(item);
}
}
Console.WriteLine("");
}
}
}
