public PdfGoTo createInternalLinkGoTo(string id, PdfObjectId objectId)
{
IDNode node = (IDNode)idReferences[id];
node.CreateInternalLinkGoTo(objectId);
return(node.GetInternalLinkGoTo());
}
public PdfGoTo(PdfObjectReference pageReference, PdfObjectId objectId)
: base(objectId)
{
this[PdfName.Names.Type] = PdfName.Names.Action;
this[PdfName.Names.S] = PdfName.Names.GoTo;
this.pageReference = pageReference;
}
/// <summary>
/// Encrypts the passed byte array using the ARC4 cipher.
/// </summary>
public byte[] Encrypt(byte[] data, PdfObjectId objectId)
{
Arc4 arc4 = new Arc4(ComputeEncryptionKey31(masterKey, objectId));
arc4.Encrypt(data, data);
return(data);
}
public PdfPageTree(PdfObjectId objectId)
: base(objectId)
{
this[PdfName.Names.Type] = PdfName.Names.Pages;
this.kids = new PdfArray();
this[PdfName.Names.Kids] = kids;
}
public PdfPageTree(PdfObjectId objectId)
: base(objectId)
{
this[PdfName.Names.Type] = PdfName.Names.Pages;
this.kids = new PdfArray();
this[PdfName.Names.Kids] = kids;
}
/// <summary>
/// Computes an encryption key that is used to encrypt string and stream data
/// in the PDF document.
/// </summary>
/// <remarks>
/// Corresponds to algorithm 3.1 in section 3.5 of the PDF specficiation.
/// </remarks>
private static byte[] ComputeEncryptionKey31(
byte[] masterKey, PdfObjectId objectId)
{
byte[] key = new byte[masterKey.Length + 5];
// Compute a hash based on:
// a) The master key
Array.Copy(masterKey, 0, key, 0, masterKey.Length);
int pos = masterKey.Length;
// b) The low order 3 bytes of the object number.
key[pos++] = (byte)(objectId.ObjectNumber & 0xff);
key[pos++] = (byte)((objectId.ObjectNumber >> 8) & 0xff);
key[pos++] = (byte)((objectId.ObjectNumber >> 16) & 0xff);
// b) The low order 2 bytes of the generation number.
key[pos++] = (byte)(objectId.GenerationNumber & 0xff);
key[pos++] = (byte)((objectId.GenerationNumber >> 8) & 0xff);
MD5 md5 = MD5.Create();
byte[] hash = md5.ComputeHash(key);
// The first n+5 bytes of the computed hash consitute the encryption key.
Array.Copy(hash, 0, key, 0, masterKey.Length + 5);
return(key);
}
public PdfXObject(byte[] objectData, PdfName name, PdfObjectId objectId)
: base(objectId)
{
this.objectData = objectData;
this.name = name;
dictionary[PdfName.Names.Type] = PdfName.Names.XObject;
}
public PdfFontDescriptor(
string fontName, PdfObjectId objectId)
: base(objectId)
{
this[PdfName.Names.Type] = PdfName.Names.Font;
this[PdfName.Names.FontName] = new PdfName(fontName);
}
public PdfType1Font(
PdfObjectId objectId, string fontName, string baseFont)
: base(fontName, objectId)
{
this[PdfName.Names.Subtype] = PdfName.Names.Type1;
this[PdfName.Names.BaseFont] = new PdfName(baseFont);
}
public PdfXObject(byte[] objectData, PdfName name, PdfObjectId objectId)
: base(objectId)
{
this.objectData = objectData;
this.name = name;
dictionary[PdfName.Names.Type] = PdfName.Names.XObject;
}
public PdfType1Font(
PdfObjectId objectId, string fontName, string baseFont)
: base(fontName, objectId)
{
this[PdfName.Names.Subtype] = PdfName.Names.Type1;
this[PdfName.Names.BaseFont] = new PdfName(baseFont);
}
public PdfGoTo(PdfObjectReference pageReference, PdfObjectId objectId)
: base(objectId)
{
this[PdfName.Names.Type] = PdfName.Names.Action;
this[PdfName.Names.S] = PdfName.Names.GoTo;
this.pageReference = pageReference;
}
public IndirectObject CreateInstance(PdfObjectId objectId, PdfObject referencedObject, bool isReadOnly)
{
var objectType = referencedObject.GetType();
var genCtor = ctorCache.GetOrAdd(objectType, GetConstructorForType);
return((IndirectObject)genCtor.Invoke(new object[] { objectId, referencedObject, isReadOnly }));
}
/// <param name="objectId">
/// A unique object number.
/// </param>
/// <param name="fontName">
/// The name by which the font is reference in the Font subdictionary
/// </param>
/// <param name="baseFont">
/// The PostScript name of the font.
/// </param>
public PdfTrueTypeFont(PdfObjectId objectId, string fontName, string baseFont)
: base(fontName, objectId)
{
this[PdfName.Names.Subtype] = PdfName.Names.TrueType;
this[PdfName.Names.BaseFont] = new PdfName(baseFont);
this[PdfName.Names.FirstChar] = new PdfNumeric(0);
this[PdfName.Names.LastChar] = new PdfNumeric(255);
}
/// <param name="objectId">
/// A unique object number.
/// </param>
/// <param name="fontName">
/// The name by which the font is reference in the Font subdictionary
/// </param>
/// <param name="baseFont">
/// The PostScript name of the font.
/// </param>
public PdfTrueTypeFont(PdfObjectId objectId, string fontName, string baseFont)
: base(fontName, objectId)
{
this[PdfName.Names.Subtype] = PdfName.Names.TrueType;
this[PdfName.Names.BaseFont] = new PdfName(baseFont);
this[PdfName.Names.FirstChar] = new PdfNumeric(0);
this[PdfName.Names.LastChar] = new PdfNumeric(255);
}
public PdfGoToRemote(PdfFileSpec fileSpec, PdfObjectId objectId)
: base(objectId)
{
this.fileSpec = fileSpec;
this[PdfName.Names.Type] = PdfName.Names.Action;
this[PdfName.Names.S] = PdfName.Names.GoToR;
this[PdfName.Names.F] = fileSpec.GetReference();
this[PdfName.Names.D] = DefaultDestination;
}
public PdfGoToRemote(PdfFileSpec fileSpec, PdfObjectId objectId)
: base(objectId)
{
this.fileSpec = fileSpec;
this[PdfName.Names.Type] = PdfName.Names.Action;
this[PdfName.Names.S] = PdfName.Names.GoToR;
this[PdfName.Names.F] = fileSpec.GetReference();
this[PdfName.Names.D] = DefaultDestination;
}
public PdfCIDFont(
PdfObjectId objectId, PdfFontSubTypeEnum subType, string baseFont)
: base(objectId)
{
this[PdfName.Names.Type] = PdfName.Names.Font;
this[PdfName.Names.Subtype] = new PdfName(subType.ToString());
this[PdfName.Names.BaseFont] = new PdfName(baseFont);
this[PdfName.Names.DW] = new PdfNumeric(1000);
this[PdfName.Names.CIDToGIDMap] = PdfName.Names.Identity;
}
public PdfCIDFont(
PdfObjectId objectId, PdfFontSubTypeEnum subType, string baseFont)
: base(objectId)
{
this[PdfName.Names.Type] = PdfName.Names.Font;
this[PdfName.Names.Subtype] = new PdfName(subType.ToString());
this[PdfName.Names.BaseFont] = new PdfName(baseFont);
this[PdfName.Names.DW] = new PdfNumeric(1000);
this[PdfName.Names.CIDToGIDMap] = PdfName.Names.Identity;
}
public PdfDictionary GetEncrypt(PdfObjectId objectId)
{
PdfDictionary encrypt = new PdfDictionary(objectId);
encrypt[PdfName.Names.Filter] = PdfName.Names.Standard;
encrypt[PdfName.Names.V] = new PdfNumeric(1);
encrypt[PdfName.Names.Length] = new PdfNumeric(40);
encrypt[PdfName.Names.R] = new PdfNumeric(2);
PdfString o = new PdfString(ownerEntry);
o.NeverEncrypt = true;
encrypt[PdfName.Names.O] = o;
PdfString u = new PdfString(userEntry);
u.NeverEncrypt = true;
encrypt[PdfName.Names.U] = u;
encrypt[PdfName.Names.P] = new PdfNumeric(permissions);
return encrypt;
}
internal void CreateInternalLinkGoTo(PdfObjectId objectId)
{
if (internalLinkGoToPageReference == null)
{
internalLinkGoTo = new PdfGoTo(null, objectId);
}
else
{
internalLinkGoTo = new PdfGoTo(internalLinkGoToPageReference, objectId);
}
if (xPosition != 0)
{
internalLinkGoTo.X = xPosition;
internalLinkGoTo.Y = yPosition;
}
}
public PdfDictionary GetEncrypt(PdfObjectId objectId)
{
PdfDictionary encrypt = new PdfDictionary(objectId);
encrypt[PdfName.Names.Filter] = PdfName.Names.Standard;
encrypt[PdfName.Names.V] = new PdfNumeric(1);
encrypt[PdfName.Names.Length] = new PdfNumeric(40);
encrypt[PdfName.Names.R] = new PdfNumeric(2);
PdfString o = new PdfString(ownerEntry);
o.NeverEncrypt = true;
encrypt[PdfName.Names.O] = o;
PdfString u = new PdfString(userEntry);
u.NeverEncrypt = true;
encrypt[PdfName.Names.U] = u;
encrypt[PdfName.Names.P] = new PdfNumeric(permissions);
return(encrypt);
}
public PdfPage(
PdfResources resources,
PdfContentStream contents,
int pagewidth,
int pageheight,
PdfObjectId objectId)
: base(objectId)
{
this[PdfName.Names.Type] = PdfName.Names.Page;
this[PdfName.Names.Resources] = resources.GetReference();
this[PdfName.Names.Contents] = contents.GetReference();
PdfArray mediaBox = new PdfArray();
mediaBox.Add(new PdfNumeric(0));
mediaBox.Add(new PdfNumeric(0));
mediaBox.Add(new PdfNumeric(pagewidth));
mediaBox.Add(new PdfNumeric(pageheight));
this[PdfName.Names.MediaBox] = mediaBox;
}
public PdfPage(
PdfResources resources,
PdfContentStream contents,
int pagewidth,
int pageheight,
PdfObjectId objectId)
: base(objectId)
{
this[PdfName.Names.Type] = PdfName.Names.Page;
this[PdfName.Names.Resources] = resources.GetReference();
this[PdfName.Names.Contents] = contents.GetReference();
PdfArray mediaBox = new PdfArray();
mediaBox.Add(new PdfNumeric(0));
mediaBox.Add(new PdfNumeric(0));
mediaBox.Add(new PdfNumeric(pagewidth));
mediaBox.Add(new PdfNumeric(pageheight));
this[PdfName.Names.MediaBox] = mediaBox;
}
/// <summary>
/// Instanciates a new IndirectObject
/// </summary>
/// <param name="objectId">The <see cref="PdfObjectId"/> of the referenced object</param>
/// <param name="referencedObject">Referenced <see cref="PdfObject"/></param>
/// <param name="isReadOnly">True if object is read-only, otherwise false.</param>
protected IndirectObject(PdfObjectId objectId, PdfObject referencedObject, bool isReadOnly) : base(isReadOnly)
{
this.objectId = objectId;
this.referencedObject = referencedObject;
}
/// <summary>
/// Instanciates a new IndirectObject
/// </summary>
/// <param name="objectId">The <see cref="PdfObjectId"/> of the referenced object</param>
/// <param name="referencedObject">Referenced <see cref="PdfObject"/></param>
protected IndirectObject(PdfObjectId objectId, PdfObject referencedObject)
{
this.objectId = objectId;
this.referencedObject = referencedObject;
}
public PdfAnnotList(PdfObjectId objectId) : base(objectId)
{
}
/// <summary>
/// Adds an entry to the table.
/// </summary>
public void Add(PdfObjectId objectId, long offset)
{
section.Add(objectId, offset);
}
public PdfResources(PdfObjectId objectId)
: base(objectId)
{
this[PdfName.Names.ProcSet] = DefaultProcedureSets;
}
public PdfBoolean(bool val, PdfObjectId objectId)
: base(objectId)
{
this.val = val;
}
/// <summary>
/// Computes an encryption key that is used to encrypt string and stream data
/// in the PDF document.
/// </summary>
/// <remarks>
/// Corresponds to algorithm 3.1 in section 3.5 of the PDF specficiation.
/// </remarks>
private static byte[] ComputeEncryptionKey31(
byte[] masterKey, PdfObjectId objectId)
{
byte[] key = new byte[masterKey.Length + 5];
// Compute a hash based on:
// a) The master key
Array.Copy(masterKey, 0, key, 0, masterKey.Length);
int pos = masterKey.Length;
// b) The low order 3 bytes of the object number.
key[pos++] = (byte)(objectId.ObjectNumber & 0xff);
key[pos++] = (byte)((objectId.ObjectNumber >> 8) & 0xff);
key[pos++] = (byte)((objectId.ObjectNumber >> 16) & 0xff);
// b) The low order 2 bytes of the generation number.
key[pos++] = (byte)(objectId.GenerationNumber & 0xff);
key[pos++] = (byte)((objectId.GenerationNumber >> 8) & 0xff);
MD5 md5 = MD5.Create();
byte[] hash = md5.ComputeHash(key);
// The first n+5 bytes of the computed hash consitute the encryption key.
Array.Copy(hash, 0, key, 0, masterKey.Length + 5);
return key;
}
/// <summary>
/// Adds an entry to the table.
/// </summary>
public void Add(PdfObjectId objectId, long offset)
{
section.Add(objectId, offset);
}
public PdfBoolean(bool val, PdfObjectId objectId)
: base(objectId)
{
this.val = val;
}
public PdfResources(PdfObjectId objectId)
: base(objectId)
{
this[PdfName.Names.ProcSet] = DefaultProcedureSets;
}
public PdfCatalog(PdfObjectId objectId)
: base(objectId)
{
this[PdfName.Names.Type] = PdfName.Names.Catalog;
}
/// <summary>
/// Instanciates a new IndirectReference
/// </summary>
/// <param name="objectId">Referenced <see cref="PdfObjectId"/></param>
public IndirectReference(PdfObjectId objectId) : base(objectId, null)
{
}
/// <summary>
/// Adds an entry to the section.
/// </summary>
internal void Add(PdfObjectId objectId, long offset)
{
subsection.Add(objectId, offset);
}
public PdfICCStream(PdfObjectId id, byte[] profileData)
: base(id)
{
this.data = profileData;
}
/// <summary>
/// Instanciates a new PDF object reference.
/// </summary>
/// <param name="objectId">The referenced object's <see cref="PdfObjectId"/>.</param>
protected PdfObjectReferenceBase(PdfObjectId objectId)
{
this.objectId = objectId;
}
/// <summary>
/// Encrypts the passed byte array using the ARC4 cipher.
/// </summary>
public byte[] Encrypt(byte[] data, PdfObjectId objectId)
{
Arc4 arc4 = new Arc4(ComputeEncryptionKey31(masterKey, objectId));
arc4.Encrypt(data, data);
return data;
}
public PdfFont(string fontname, PdfObjectId objectId)
: base(objectId)
{
this[PdfName.Names.Type] = PdfName.Names.Font;
this[PdfName.Names.Name] = new PdfName(fontname);
}
/// <summary>
/// Adds an entry to the section.
/// </summary>
internal void Add(PdfObjectId objectId, long offset)
{
subsection.Add(objectId, offset);
}
public PdfFileSpec(PdfObjectId objectId, string filename)
: base(objectId)
{
this[PdfName.Names.Type] = PdfName.Names.FileSpec;
this[PdfName.Names.F] = new PdfString(filename);
}
public PdfCatalog(PdfObjectId objectId)
: base(objectId)
{
this[PdfName.Names.Type] = PdfName.Names.Catalog;
}
public PdfNumeric(decimal val, PdfObjectId objectId)
: base(objectId)
{
this.val = val;
}
public PdfInfo(PdfObjectId objectId) : base(objectId)
{
}
/// <summary>
/// Reads next <see cref="PdfObject"/> from PDF stream.
/// </summary>
/// <param name="reader">The <see cref="PdfReader"/> to use.</param>
/// <returns>Read PdfObject.</returns>
public static PdfObject ReadObject(this PdfReader reader)
{
if (reader == null)
{
throw new ArgumentNullException(nameof(reader));
}
reader.MoveToNonWhiteSpace();
char firstChar = reader.Peek();
switch (firstChar)
{
case '%':
// Skip comment
reader.SkipWhile(c => !Chars.IsEndOfLine(c));
reader.SkipWhile(Chars.IsEndOfLine);
// Then try read next object
return(ReadObject(reader));
case 't':
reader.ReadToken(BooleanObject.TrueToken);
return(new BooleanObject(true, true));
case 'f':
reader.ReadToken(BooleanObject.FalseToken);
return(new BooleanObject(false, true));
case 'n':
reader.ReadToken(NullObject.NullToken);
return(new NullObject());
case '(':
return(LiteralStringObject.FromReader(reader));
case '<':
if (reader.Peek(1) == '<')
{
return(DictionaryObject.FromReader(reader));
}
else
{
return(HexadecimalStringObject.FromReader(reader));
}
case '/':
return(NameObject.FromReader(reader));
case '[':
return(ArrayObject.FromReader(reader));
case '+':
case '-':
return(NumericObject.FromReader(reader));
}
if (char.IsDigit(firstChar))
{
int indRefLength = IsIndirectReference(reader);
if (indRefLength >= 5)
{
var indRefStr = reader.ReadString(indRefLength);
var objectId = PdfObjectId.FromString(indRefStr.Substring(0, indRefLength - 2));
return(new IndirectReference(objectId));
}
return(NumericObject.FromReader(reader));
}
throw new NotImplementedException();
}
public PdfInfo(PdfObjectId objectId) : base(objectId) { }
public PdfAnnotList(PdfObjectId objectId) : base(objectId)
{
}
public PdfFileSpec(PdfObjectId objectId, string filename)
: base(objectId)
{
this[PdfName.Names.Type] = PdfName.Names.FileSpec;
this[PdfName.Names.F] = new PdfString(filename);
}
public PdfICCStream(PdfObjectId id, byte[] profileData)
: base(id)
{
this.data = profileData;
}
public PdfNumeric(decimal val, PdfObjectId objectId)
: base(objectId)
{
this.val = val;
}
