|
public GetPageOrigRef ( int pageNum ) : |
||
| pageNum | int | |
| return | ||
public static Hashtable GetNamedDestination(PdfReader reader, bool fromNames)
{
IntHashtable pages = new IntHashtable();
int numPages = reader.NumberOfPages;
for (int k = 1; k <= numPages; ++k)
{
pages[reader.GetPageOrigRef(k).Number] = k;
}
Hashtable names = fromNames ? reader.GetNamedDestinationFromNames() : reader.GetNamedDestinationFromStrings();
String[] keys = new String[names.Count];
names.Keys.CopyTo(keys, 0);
foreach (String name in keys)
{
PdfArray arr = (PdfArray)names[name];
StringBuilder s = new StringBuilder();
try {
s.Append(pages[(arr.GetAsIndirectObject(0)).Number]);
s.Append(' ').Append(arr[1].ToString().Substring(1));
for (int k = 2; k < arr.Size; ++k)
{
s.Append(' ').Append(arr[k].ToString());
}
names[name] = s.ToString();
}
catch {
names.Remove(name);
}
}
return(names);
}
protected void CloseIt()
{
for (int k = 0; k < Readers.Count; ++k)
{
((PdfReader)Readers[k]).RemoveFields();
}
for (int r = 0; r < Readers.Count; ++r)
{
PdfReader reader = (PdfReader)Readers[r];
for (int page = 1; page <= reader.NumberOfPages; ++page)
{
PageRefs.Add(GetNewReference(reader.GetPageOrigRef(page)));
PageDics.Add(reader.GetPageN(page));
}
}
MergeFields();
CreateAcroForms();
for (int r = 0; r < Readers.Count; ++r)
{
PdfReader reader = (PdfReader)Readers[r];
for (int page = 1; page <= reader.NumberOfPages; ++page)
{
PdfDictionary dic = reader.GetPageN(page);
PdfIndirectReference pageRef = GetNewReference(reader.GetPageOrigRef(page));
PdfIndirectReference parent = Root.AddPageRef(pageRef);
dic.Put(PdfName.Parent, parent);
Propagate(dic, pageRef, false);
}
}
foreach (DictionaryEntry entry in Readers2Intrefs)
{
PdfReader reader = (PdfReader)entry.Key;
try
{
File = reader.SafeFile;
File.ReOpen();
IntHashtable t = (IntHashtable)entry.Value;
int[] keys = t.ToOrderedKeys();
for (int k = 0; k < keys.Length; ++k)
{
PrIndirectReference refi = new PrIndirectReference(reader, keys[k]);
AddToBody(PdfReader.GetPdfObjectRelease(refi), t[keys[k]]);
}
}
finally
{
try
{
File.Close();
reader.Close();
}
catch
{
// empty on purpose
}
}
}
Pdf.Close();
}
virtual protected void CloseIt()
{
for (int k = 0; k < readers.Count; ++k)
{
readers[k].RemoveFields();
}
for (int r = 0; r < readers.Count; ++r)
{
PdfReader reader = readers[r];
for (int page = 1; page <= reader.NumberOfPages; ++page)
{
pageRefs.Add(GetNewReference(reader.GetPageOrigRef(page)));
pageDics.Add(reader.GetPageN(page));
}
}
MergeFields();
CreateAcroForms();
for (int r = 0; r < readers.Count; ++r)
{
PdfReader reader = readers[r];
for (int page = 1; page <= reader.NumberOfPages; ++page)
{
PdfDictionary dic = reader.GetPageN(page);
PdfIndirectReference pageRef = GetNewReference(reader.GetPageOrigRef(page));
PdfIndirectReference parent = root.AddPageRef(pageRef);
dic.Put(PdfName.PARENT, parent);
Propagate(dic, pageRef, false);
}
}
foreach (KeyValuePair <PdfReader, IntHashtable> entry in readers2intrefs)
{
PdfReader reader = entry.Key;
try {
file = reader.SafeFile;
file.ReOpen();
IntHashtable t = entry.Value;
int[] keys = t.ToOrderedKeys();
for (int k = 0; k < keys.Length; ++k)
{
PRIndirectReference refi = new PRIndirectReference(reader, keys[k]);
AddToBody(PdfReader.GetPdfObjectRelease(refi), t[keys[k]]);
}
}
finally {
try {
file.Close();
// TODO: Removed - the user should be responsible for closing all PdfReaders. But, this could cause a lot of memory leaks in code out there that hasn't been properly closing things - maybe add a finalizer to PdfReader that calls PdfReader#close() ??
//reader.Close();
}
catch {
// empty on purpose
}
}
}
pdf.Close();
}
/**
* Gets a <CODE>List</CODE> with the bookmarks. It returns <CODE>null</CODE> if
* the document doesn't have any bookmarks.
* @param reader the document
* @return a <CODE>List</CODE> with the bookmarks or <CODE>null</CODE> if the
* document doesn't have any
*/
public static ArrayList GetBookmark(PdfReader reader)
{
PdfDictionary catalog = reader.Catalog;
PdfObject obj = PdfReader.GetPdfObjectRelease(catalog.Get(PdfName.OUTLINES));
if (obj == null || !obj.IsDictionary())
{
return(null);
}
PdfDictionary outlines = (PdfDictionary)obj;
IntHashtable pages = new IntHashtable();
int numPages = reader.NumberOfPages;
for (int k = 1; k <= numPages; ++k)
{
pages[reader.GetPageOrigRef(k).Number] = k;
reader.ReleasePage(k);
}
return(BookmarkDepth(reader, (PdfDictionary)PdfReader.GetPdfObjectRelease(outlines.Get(PdfName.FIRST)), pages));
}
/// <summary>
/// Gets a List with the bookmarks. It returns null if
/// the document doesn't have any bookmarks.
/// document doesn't have any
/// </summary>
/// <param name="reader">the document</param>
/// <returns>a List with the bookmarks or null if the</returns>
public static ArrayList GetBookmark(PdfReader reader)
{
var catalog = reader.Catalog;
var obj = PdfReader.GetPdfObjectRelease(catalog.Get(PdfName.Outlines));
if (obj == null || !obj.IsDictionary())
{
return(null);
}
var outlines = (PdfDictionary)obj;
var pages = new IntHashtable();
var numPages = reader.NumberOfPages;
for (var k = 1; k <= numPages; ++k)
{
pages[reader.GetPageOrigRef(k).Number] = k;
reader.ReleasePage(k);
}
return(bookmarkDepth(reader, (PdfDictionary)PdfReader.GetPdfObjectRelease(outlines.Get(PdfName.First)), pages));
}
/**
* Gets a <CODE>List</CODE> with the bookmarks that are children of <CODE>outline</CODE>. It returns <CODE>null</CODE> if
* the document doesn't have any bookmarks.
* @param reader the document
* @param outline the outline dictionary to get bookmarks from
* @param includeRoot indicates if to include <CODE>outline</CODE> parameter itself into returned list of bookmarks
* @return a <CODE>List</CODE> with the bookmarks or <CODE>null</CODE> if the
* document doesn't have any
*/
public static IList <Dictionary <String, Object> > GetBookmark(PdfReader reader, PdfDictionary outline, bool includeRoot)
{
if (outline == null)
{
return(null);
}
IntHashtable pages = new IntHashtable();
int numPages = reader.NumberOfPages;
for (int k = 1; k <= numPages; ++k)
{
pages[reader.GetPageOrigRef(k).Number] = k;
reader.ReleasePage(k);
}
if (includeRoot)
{
return(BookmarkDepth(reader, outline, pages, true));
}
else
{
return(BookmarkDepth(reader, (PdfDictionary)PdfReader.GetPdfObjectRelease(outline.Get(PdfName.FIRST)), pages, false));
}
}
virtual public int GetDestinationPage()
{
if (!IsInternal())
{
return(0);
}
// here destination is something like
// [132 0 R, /XYZ, 29.3898, 731.864502, null]
PdfIndirectReference refi = destination.GetAsIndirectObject(0);
PRIndirectReference pr = (PRIndirectReference)refi;
PdfReader r = pr.Reader;
for (int i = 1; i <= r.NumberOfPages; i++)
{
PRIndirectReference pp = r.GetPageOrigRef(i);
if (pp.Generation == pr.Generation && pp.Number == pr.Number)
{
return(i);
}
}
throw new ArgumentException(MessageLocalization.GetComposedMessage("page.not.found"));
}
public static Hashtable GetNamedDestination(PdfReader reader, bool fromNames) {
IntHashtable pages = new IntHashtable();
int numPages = reader.NumberOfPages;
for (int k = 1; k <= numPages; ++k)
pages[reader.GetPageOrigRef(k).Number] = k;
Hashtable names = fromNames ? reader.GetNamedDestinationFromNames() : reader.GetNamedDestinationFromStrings();
String[] keys = new String[names.Count];
names.Keys.CopyTo(keys, 0);
foreach (String name in keys) {
PdfArray arr = (PdfArray)names[name];
StringBuilder s = new StringBuilder();
try {
s.Append(pages[(arr.GetAsIndirectObject(0)).Number]);
s.Append(' ').Append(arr[1].ToString().Substring(1));
for (int k = 2; k < arr.Size; ++k)
s.Append(' ').Append(arr[k].ToString());
names[name] = s.ToString();
}
catch {
names.Remove(name);
}
}
return names;
}
public int GetDestinationPage()
{
if (!IsInternal())
{
return(0);
}
// here destination is something like
// [132 0 R, /XYZ, 29.3898, 731.864502, null]
PdfIndirectReference refi = _destination.GetAsIndirectObject(0);
PrIndirectReference pr = (PrIndirectReference)refi;
PdfReader r = pr.Reader;
for (int i = 1; i <= r.NumberOfPages; i++)
{
PrIndirectReference pp = r.GetPageOrigRef(i);
if (pp.Generation == pr.Generation && pp.Number == pr.Number)
{
return(i);
}
}
throw new ArgumentException("Page not found.");
}
/**
* Gets a <CODE>List</CODE> with the bookmarks that are children of <CODE>outline</CODE>. It returns <CODE>null</CODE> if
* the document doesn't have any bookmarks.
* @param reader the document
* @param outline the outline dictionary to get bookmarks from
* @param includeRoot indicates if to include <CODE>outline</CODE> parameter itself into returned list of bookmarks
* @return a <CODE>List</CODE> with the bookmarks or <CODE>null</CODE> if the
* document doesn't have any
*/
public static IList<Dictionary<String, Object>> GetBookmark(PdfReader reader, PdfDictionary outline, bool includeRoot) {
if (outline == null)
return null;
IntHashtable pages = new IntHashtable();
int numPages = reader.NumberOfPages;
for (int k = 1; k <= numPages; ++k) {
pages[reader.GetPageOrigRef(k).Number] = k;
reader.ReleasePage(k);
}
if (includeRoot)
return BookmarkDepth(reader, outline, pages, true);
else
return BookmarkDepth(reader, (PdfDictionary)PdfReader.GetPdfObjectRelease(outline.Get(PdfName.FIRST)), pages, false);
}
/**
* Gets a <CODE>List</CODE> with the bookmarks. It returns <CODE>null</CODE> if
* the document doesn't have any bookmarks.
* @param reader the document
* @return a <CODE>List</CODE> with the bookmarks or <CODE>null</CODE> if the
* document doesn't have any
*/
public static IList<Dictionary<String, Object>> GetBookmark(PdfReader reader) {
PdfDictionary catalog = reader.Catalog;
PdfObject obj = PdfReader.GetPdfObjectRelease(catalog.Get(PdfName.OUTLINES));
if (obj == null || !obj.IsDictionary())
return null;
PdfDictionary outlines = (PdfDictionary)obj;
IntHashtable pages = new IntHashtable();
int numPages = reader.NumberOfPages;
for (int k = 1; k <= numPages; ++k) {
pages[reader.GetPageOrigRef(k).Number] = k;
reader.ReleasePage(k);
}
return BookmarkDepth(reader, (PdfDictionary)PdfReader.GetPdfObjectRelease(outlines.Get(PdfName.FIRST)), pages);
}
