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Georgy Khatuncev
2020-09-04 12:49:15 +05:00
commit 330a2ccfda
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PdfSharp/Pdf.AcroForms/PdfAcroField.cs Normal file
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#region PDFsharp - A .NET library for processing PDF
//
// Authors:
// Stefan Lange
//
// Copyright (c) 2005-2017 empira Software GmbH, Cologne Area (Germany)
//
// http://www.pdfsharp.com
// http://sourceforge.net/projects/pdfsharp
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
#endregion
using System;
using System.Collections.Generic;
using System.Diagnostics;
using PdfSharp.Pdf.Advanced;
namespace PdfSharp.Pdf.AcroForms
{
/// <summary>
/// Represents the base class for all interactive field dictionaries.
/// </summary>
public abstract class PdfAcroField : PdfDictionary
{
/// <summary>
/// Initializes a new instance of PdfAcroField.
/// </summary>
internal PdfAcroField(PdfDocument document)
: base(document)
{ }
/// <summary>
/// Initializes a new instance of the <see cref="PdfAcroField"/> class. Used for type transformation.
/// </summary>
protected PdfAcroField(PdfDictionary dict)
: base(dict)
{ }
/// <summary>
/// Gets the name of this field.
/// </summary>
public string Name
{
get
{
string name = Elements.GetString(Keys.T);
return name;
}
}
/// <summary>
/// Gets the field flags of this instance.
/// </summary>
public PdfAcroFieldFlags Flags
{
// TODO: This entry is inheritable, thus the implementation is incorrect...
get { return (PdfAcroFieldFlags)Elements.GetInteger(Keys.Ff); }
}
internal PdfAcroFieldFlags SetFlags
{
get { return (PdfAcroFieldFlags)Elements.GetInteger(Keys.Ff); }
set { Elements.SetInteger(Keys.Ff, (int)value); }
}
/// <summary>
/// Gets or sets the value of the field.
/// </summary>
public virtual PdfItem Value
{
get { return Elements[Keys.V]; }
set
{
if (ReadOnly)
throw new InvalidOperationException("The field is read only.");
if (value is PdfString || value is PdfName)
Elements[Keys.V] = value;
else
throw new NotImplementedException("Values other than string cannot be set.");
}
}
/// <summary>
/// Gets or sets a value indicating whether the field is read only.
/// </summary>
public bool ReadOnly
{
get { return (Flags & PdfAcroFieldFlags.ReadOnly) != 0; }
set
{
if (value)
SetFlags |= PdfAcroFieldFlags.ReadOnly;
else
SetFlags &= ~PdfAcroFieldFlags.ReadOnly;
}
}
/// <summary>
/// Gets the field with the specified name.
/// </summary>
public PdfAcroField this[string name]
{
get { return GetValue(name); }
}
/// <summary>
/// Gets a child field by name.
/// </summary>
protected virtual PdfAcroField GetValue(string name)
{
if (String.IsNullOrEmpty(name))
return this;
if (HasKids)
return Fields.GetValue(name);
return null;
}
/// <summary>
/// Indicates whether the field has child fields.
/// </summary>
public bool HasKids
{
get
{
PdfItem item = Elements[Keys.Kids];
if (item == null)
return false;
if (item is PdfArray)
return ((PdfArray)item).Elements.Count > 0;
return false;
}
}
/// <summary>
/// Gets the names of all descendants of this field.
/// </summary>
[Obsolete("Use GetDescendantNames")]
public string[] DescendantNames // Properties should not return arrays.
{
get { return GetDescendantNames(); }
}
/// <summary>
/// Gets the names of all descendants of this field.
/// </summary>
public string[] GetDescendantNames()
{
List<string> names = new List<string>();
if (HasKids)
{
PdfAcroFieldCollection fields = Fields;
fields.GetDescendantNames(ref names, null);
}
List<string> temp = new List<string>();
foreach (string name in names)
temp.Add(name);
return temp.ToArray();
}
/// <summary>
/// Gets the names of all appearance dictionaries of this AcroField.
/// </summary>
public string[] GetAppearanceNames()
{
Dictionary<string, object> names = new Dictionary<string, object>();
PdfDictionary dict = Elements["/AP"] as PdfDictionary;
if (dict != null)
{
AppDict(dict, names);
if (HasKids)
{
PdfItem[] kids = Fields.Elements.Items;
foreach (PdfItem pdfItem in kids)
{
if (pdfItem is PdfReference)
{
PdfDictionary xxx = ((PdfReference)pdfItem).Value as PdfDictionary;
if (xxx != null)
AppDict(xxx, names);
}
}
//((PdfDictionary)(((PdfReference)(Fields.Elements.Items[1])).Value)).Elements.SetName(Keys.V, name1);
}
}
string[] array = new string[names.Count];
names.Keys.CopyTo(array, 0);
return array;
}
//static string[] AppearanceNames(PdfDictionary dictIn)
//{
// Dictionary<string, object> names = new Dictionary<string, object>();
// PdfDictionary dict = dictIn["/AP"] as PdfDictionary;
// if (dict != null)
// {
// AppDict(dict, names);
// if (HasKids)
// {
// PdfItem[] kids = Fields.Elements.Items;
// foreach (PdfItem pdfItem in kids)
// {
// if (pdfItem is PdfReference)
// {
// PdfDictionary xxx = ((PdfReference)pdfItem).Value as PdfDictionary;
// if (xxx != null)
// AppDict(xxx, names);
// }
// }
// //((PdfDictionary)(((PdfReference)(Fields.Elements.Items[1])).Value)).Elements.SetName(Keys.V, name1);
// }
// }
// string[] array = new string[names.Count];
// names.Keys.CopyTo(array, 0);
// return array;
//}
static void AppDict(PdfDictionary dict, Dictionary<string, object> names)
{
PdfDictionary sub;
if ((sub = dict.Elements["/D"] as PdfDictionary) != null)
AppDict2(sub, names);
if ((sub = dict.Elements["/N"] as PdfDictionary) != null)
AppDict2(sub, names);
}
static void AppDict2(PdfDictionary dict, Dictionary<string, object> names)
{
foreach (string key in dict.Elements.Keys)
{
if (!names.ContainsKey(key))
names.Add(key, null);
}
}
internal virtual void GetDescendantNames(ref List<string> names, string partialName)
{
if (HasKids)
{
PdfAcroFieldCollection fields = Fields;
string t = Elements.GetString(Keys.T);
Debug.Assert(t != "");
if (t.Length > 0)
{
if (!String.IsNullOrEmpty(partialName))
partialName += "." + t;
else
partialName = t;
fields.GetDescendantNames(ref names, partialName);
}
}
else
{
string t = Elements.GetString(Keys.T);
Debug.Assert(t != "");
if (t.Length > 0)
{
if (!String.IsNullOrEmpty(partialName))
names.Add(partialName + "." + t);
else
names.Add(t);
}
}
}
/// <summary>
/// Gets the collection of fields within this field.
/// </summary>
public PdfAcroFieldCollection Fields
{
get
{
if (_fields == null)
{
object o = Elements.GetValue(Keys.Kids, VCF.CreateIndirect);
_fields = (PdfAcroFieldCollection)o;
}
return _fields;
}
}
PdfAcroFieldCollection _fields;
/// <summary>
/// Holds a collection of interactive fields.
/// </summary>
public sealed class PdfAcroFieldCollection : PdfArray
{
PdfAcroFieldCollection(PdfArray array)
: base(array)
{ }
/// <summary>
/// Gets the number of elements in the array.
/// </summary>
public int Count
{
get
{
return Elements.Count;
}
}
/// <summary>
/// Gets the names of all fields in the collection.
/// </summary>
public string[] Names
{
get
{
int count = Elements.Count;
string[] names = new string[count];
for (int idx = 0; idx < count; idx++)
names[idx] = ((PdfDictionary)((PdfReference)Elements[idx]).Value).Elements.GetString(Keys.T);
return names;
}
}
/// <summary>
/// Gets an array of all descendant names.
/// </summary>
public string[] DescendantNames
{
get
{
List<string> names = new List<string>();
GetDescendantNames(ref names, null);
//List<string> temp = new List<string>();
//foreach (PdfName name in names)
// temp.Add(name.ToString());
return names.ToArray();
}
}
internal void GetDescendantNames(ref List<string> names, string partialName)
{
int count = Elements.Count;
for (int idx = 0; idx < count; idx++)
{
PdfAcroField field = this[idx];
if (field != null)
field.GetDescendantNames(ref names, partialName);
}
}
/// <summary>
/// Gets a field from the collection. For your convenience an instance of a derived class like
/// PdfTextField or PdfCheckBox is returned if PDFsharp can guess the actual type of the dictionary.
/// If the actual type cannot be guessed by PDFsharp the function returns an instance
/// of PdfGenericField.
/// </summary>
public PdfAcroField this[int index]
{
get
{
PdfItem item = Elements[index];
Debug.Assert(item is PdfReference);
PdfDictionary dict = ((PdfReference)item).Value as PdfDictionary;
Debug.Assert(dict != null);
PdfAcroField field = dict as PdfAcroField;
if (field == null && dict != null)
{
// Do type transformation
field = CreateAcroField(dict);
//Elements[index] = field.XRef;
}
return field;
}
}
/// <summary>
/// Gets the field with the specified name.
/// </summary>
public PdfAcroField this[string name]
{
get { return GetValue(name); }
}
internal PdfAcroField GetValue(string name)
{
if (String.IsNullOrEmpty(name))
return null;
int dot = name.IndexOf('.');
string prefix = dot == -1 ? name : name.Substring(0, dot);
string suffix = dot == -1 ? "" : name.Substring(dot + 1);
int count = Elements.Count;
for (int idx = 0; idx < count; idx++)
{
PdfAcroField field = this[idx];
if (field.Name == prefix)
return field.GetValue(suffix);
}
return null;
}
/// <summary>
/// Create a derived type like PdfTextField or PdfCheckBox if possible.
/// If the actual cannot be guessed by PDFsharp the function returns an instance
/// of PdfGenericField.
/// </summary>
PdfAcroField CreateAcroField(PdfDictionary dict)
{
string ft = dict.Elements.GetName(Keys.FT);
PdfAcroFieldFlags flags = (PdfAcroFieldFlags)dict.Elements.GetInteger(Keys.Ff);
switch (ft)
{
case "/Btn":
if ((flags & PdfAcroFieldFlags.Pushbutton) != 0)
return new PdfPushButtonField(dict);
if ((flags & PdfAcroFieldFlags.Radio) != 0)
return new PdfRadioButtonField(dict);
return new PdfCheckBoxField(dict);
case "/Tx":
return new PdfTextField(dict);
case "/Ch":
if ((flags & PdfAcroFieldFlags.Combo) != 0)
return new PdfComboBoxField(dict);
else
return new PdfListBoxField(dict);
case "/Sig":
return new PdfSignatureField(dict);
default:
return new PdfGenericField(dict);
}
}
}
/// <summary>
/// Predefined keys of this dictionary.
/// The description comes from PDF 1.4 Reference.
/// </summary>
public class Keys : KeysBase
{
// ReSharper disable InconsistentNaming
/// <summary>
/// (Required for terminal fields; inheritable) The type of field that this dictionary
/// describes:
/// Btn Button
/// Tx Text
/// Ch Choice
/// Sig (PDF 1.3) Signature
/// Note: This entry may be present in a nonterminal field (one whose descendants
/// are themselves fields) in order to provide an inheritable FT value. However, a
/// nonterminal field does not logically have a type of its own; it is merely a container
/// for inheritable attributes that are intended for descendant terminal fields of
/// any type.
/// </summary>
[KeyInfo(KeyType.Name | KeyType.Required)]
public const string FT = "/FT";
/// <summary>
/// (Required if this field is the child of another in the field hierarchy; absent otherwise)
/// The field that is the immediate parent of this one (the field, if any, whose Kids array
/// includes this field). A field can have at most one parent; that is, it can be included
/// in the Kids array of at most one other field.
/// </summary>
[KeyInfo(KeyType.Dictionary)]
public const string Parent = "/Parent";
/// <summary>
/// (Optional) An array of indirect references to the immediate children of this field.
/// </summary>
[KeyInfo(KeyType.Array | KeyType.Optional, typeof(PdfAcroFieldCollection))]
public const string Kids = "/Kids";
/// <summary>
/// (Optional) The partial field name.
/// </summary>
[KeyInfo(KeyType.TextString | KeyType.Optional)]
public const string T = "/T";
/// <summary>
/// (Optional; PDF 1.3) An alternate field name, to be used in place of the actual
/// field name wherever the field must be identified in the user interface (such as
/// in error or status messages referring to the field). This text is also useful
/// when extracting the document<6E>s contents in support of accessibility to disabled
/// users or for other purposes.
/// </summary>
[KeyInfo(KeyType.TextString | KeyType.Optional)]
public const string TU = "/TU";
/// <summary>
/// (Optional; PDF 1.3) The mapping name to be used when exporting interactive form field
/// data from the document.
/// </summary>
[KeyInfo(KeyType.TextString | KeyType.Optional)]
public const string TM = "/TM";
/// <summary>
/// (Optional; inheritable) A set of flags specifying various characteristics of the field.
/// Default value: 0.
/// </summary>
[KeyInfo(KeyType.Integer | KeyType.Optional)]
public const string Ff = "/Ff";
/// <summary>
/// (Optional; inheritable) The field<6C>s value, whose format varies depending on
/// the field type; see the descriptions of individual field types for further information.
/// </summary>
[KeyInfo(KeyType.Various | KeyType.Optional)]
public const string V = "/V";
/// <summary>
/// (Optional; inheritable) The default value to which the field reverts when a
/// reset-form action is executed. The format of this value is the same as that of V.
/// </summary>
[KeyInfo(KeyType.Various | KeyType.Optional)]
public const string DV = "/DV";
/// <summary>
/// (Optional; PDF 1.2) An additional-actions dictionary defining the field<6C>s behavior
/// in response to various trigger events. This entry has exactly the same meaning as
/// the AA entry in an annotation dictionary.
/// </summary>
[KeyInfo(KeyType.Dictionary | KeyType.Optional)]
public const string AA = "/AA";
// ----- Additional entries to all fields containing variable text --------------------------
/// <summary>
/// (Required; inheritable) A resource dictionary containing default resources
/// (such as fonts, patterns, or color spaces) to be used by the appearance stream.
/// At a minimum, this dictionary must contain a Font entry specifying the resource
/// name and font dictionary of the default font for displaying the field<6C>s text.
/// </summary>
[KeyInfo(KeyType.Dictionary | KeyType.Required)]
public const string DR = "/DR";
/// <summary>
/// (Required; inheritable) The default appearance string, containing a sequence of
/// valid page-content graphics or text state operators defining such properties as
/// the field<6C>s text size and color.
/// </summary>
[KeyInfo(KeyType.String | KeyType.Required)]
public const string DA = "/DA";
/// <summary>
/// (Optional; inheritable) A code specifying the form of quadding (justification)
/// to be used in displaying the text:
/// 0 Left-justified
/// 1 Centered
/// 2 Right-justified
/// Default value: 0 (left-justified).
/// </summary>
[KeyInfo(KeyType.Integer | KeyType.Optional)]
public const string Q = "/Q";
// ReSharper restore InconsistentNaming
}
}
}

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PdfSharp/Pdf.AcroForms/PdfAcroForm.cs Normal file
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#region PDFsharp - A .NET library for processing PDF
//
// Authors:
// Stefan Lange
//
// Copyright (c) 2005-2017 empira Software GmbH, Cologne Area (Germany)
//
// http://www.pdfsharp.com
// http://sourceforge.net/projects/pdfsharp
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
#endregion
namespace PdfSharp.Pdf.AcroForms
{
/// <summary>
/// Represents an interactive form (or AcroForm), a collection of fields for
/// gathering information interactively from the user.
/// </summary>
public sealed class PdfAcroForm : PdfDictionary
{
/// <summary>
/// Initializes a new instance of AcroForm.
/// </summary>
internal PdfAcroForm(PdfDocument document)
: base(document)
{
_document = document;
}
internal PdfAcroForm(PdfDictionary dictionary)
: base(dictionary)
{ }
/// <summary>
/// Gets the fields collection of this form.
/// </summary>
public PdfAcroField.PdfAcroFieldCollection Fields
{
get
{
if (_fields == null)
{
object o = Elements.GetValue(Keys.Fields, VCF.CreateIndirect);
_fields = (PdfAcroField.PdfAcroFieldCollection)o;
}
return _fields;
}
}
PdfAcroField.PdfAcroFieldCollection _fields;
/// <summary>
/// Predefined keys of this dictionary.
/// The description comes from PDF 1.4 Reference.
/// </summary>
public sealed class Keys : KeysBase
{
// ReSharper disable InconsistentNaming
/// <summary>
/// (Required) An array of references to the document<6E>s root fields (those with
/// no ancestors in the field hierarchy).
/// </summary>
[KeyInfo(KeyType.Array | KeyType.Required, typeof(PdfAcroField.PdfAcroFieldCollection))]
public const string Fields = "/Fields";
/// <summary>
/// (Optional) A flag specifying whether to construct appearance streams and
/// appearance dictionaries for all widget annotations in the document.
/// Default value: false.
/// </summary>
[KeyInfo(KeyType.Boolean | KeyType.Optional)]
public const string NeedAppearances = "/NeedAppearances";
/// <summary>
/// (Optional; PDF 1.3) A set of flags specifying various document-level characteristics
/// related to signature fields.
/// Default value: 0.
/// </summary>
[KeyInfo("1.3", KeyType.Integer | KeyType.Optional)]
public const string SigFlags = "/SigFlags";
/// <summary>
/// (Required if any fields in the document have additional-actions dictionaries
/// containing a C entry; PDF 1.3) An array of indirect references to field dictionaries
/// with calculation actions, defining the calculation order in which their values will
/// be recalculated when the value of any field changes.
/// </summary>
[KeyInfo(KeyType.Array)]
public const string CO = "/CO";
/// <summary>
/// (Optional) A document-wide default value for the DR attribute of variable text fields.
/// </summary>
[KeyInfo(KeyType.Dictionary | KeyType.Optional)]
public const string DR = "/DR";
/// <summary>
/// (Optional) A document-wide default value for the DA attribute of variable text fields.
/// </summary>
[KeyInfo(KeyType.String | KeyType.Optional)]
public const string DA = "/DA";
/// <summary>
/// (Optional) A document-wide default value for the Q attribute of variable text fields.
/// </summary>
[KeyInfo(KeyType.Integer | KeyType.Optional)]
public const string Q = "/Q";
/// <summary>
/// Gets the KeysMeta for these keys.
/// </summary>
internal static DictionaryMeta Meta
{
get
{
if (s_meta == null)
s_meta = CreateMeta(typeof(Keys));
return s_meta;
}
}
static DictionaryMeta s_meta;
// ReSharper restore InconsistentNaming
}
/// <summary>
/// Gets the KeysMeta of this dictionary type.
/// </summary>
internal override DictionaryMeta Meta
{
get { return Keys.Meta; }
}
}
}

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PdfSharp/Pdf.AcroForms/PdfButtonField.cs Normal file
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#region PDFsharp - A .NET library for processing PDF
//
// Authors:
// Stefan Lange
//
// Copyright (c) 2005-2017 empira Software GmbH, Cologne Area (Germany)
//
// http://www.pdfsharp.com
// http://sourceforge.net/projects/pdfsharp
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
#endregion
using System;
using System.Collections.Generic;
using System.Diagnostics;
using PdfSharp.Pdf.Annotations;
namespace PdfSharp.Pdf.AcroForms
{
/// <summary>
/// Represents the base class for all button fields.
/// </summary>
public abstract class PdfButtonField : PdfAcroField
{
/// <summary>
/// Initializes a new instance of the <see cref="PdfButtonField"/> class.
/// </summary>
protected PdfButtonField(PdfDocument document)
: base(document)
{ }
/// <summary>
/// Initializes a new instance of the <see cref="PdfButtonField"/> class.
/// </summary>
protected PdfButtonField(PdfDictionary dict)
: base(dict)
{ }
/// <summary>
/// Gets the name which represents the opposite of /Off.
/// </summary>
protected string GetNonOffValue()
{
// Try to get the information from the appearance dictionaray.
// Just return the first key that is not /Off.
// I'm not sure what is the right solution to get this value.
PdfDictionary ap = Elements[PdfAnnotation.Keys.AP] as PdfDictionary;
if (ap != null)
{
PdfDictionary n = ap.Elements["/N"] as PdfDictionary;
if (n != null)
{
foreach (string name in n.Elements.Keys)
if (name != "/Off")
return name;
}
}
return null;
}
internal override void GetDescendantNames(ref List<string> names, string partialName)
{
string t = Elements.GetString(PdfAcroField.Keys.T);
// HACK: ???
if (t == "")
t = "???";
Debug.Assert(t != "");
if (t.Length > 0)
{
if (!String.IsNullOrEmpty(partialName))
names.Add(partialName + "." + t);
else
names.Add(t);
}
}
/// <summary>
/// Predefined keys of this dictionary.
/// The description comes from PDF 1.4 Reference.
/// </summary>
public new class Keys : PdfAcroField.Keys
{
// Pushbuttons have no additional entries.
}
}
}

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#region PDFsharp - A .NET library for processing PDF
//
// Authors:
// Stefan Lange
//
// Copyright (c) 2005-2017 empira Software GmbH, Cologne Area (Germany)
//
// http://www.pdfsharp.com
// http://sourceforge.net/projects/pdfsharp
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
#endregion
using PdfSharp.Pdf.Annotations;
using PdfSharp.Pdf.Advanced;
namespace PdfSharp.Pdf.AcroForms
{
/// <summary>
/// Represents the check box field.
/// </summary>
public sealed class PdfCheckBoxField : PdfButtonField
{
/// <summary>
/// Initializes a new instance of PdfCheckBoxField.
/// </summary>
internal PdfCheckBoxField(PdfDocument document)
: base(document)
{
_document = document;
}
internal PdfCheckBoxField(PdfDictionary dict)
: base(dict)
{ }
#if true_
/// <summary>
/// Indicates whether the field is checked.
/// </summary>
public bool Checked //R080317 // TODO
{
get
{
if (!HasKids)
{
string value = Elements.GetString(Keys.V);
//return !String.IsNullOrEmpty(value) && value != UncheckedValue;
return !String.IsNullOrEmpty(value) && value == CheckedName;
}
if (Fields.Elements.Items.Length == 2)
{
string value = ((PdfDictionary)(((PdfReference)(Fields.Elements.Items[0])).Value)).Elements.GetString(Keys.V);
//bool bReturn = value.Length != 0 && value != UncheckedValue; //R081114 (3Std.!!) auch auf Nein pr<70>fen; //TODO woher kommt der Wert?
bool bReturn = value.Length != 0 && value == CheckedName;
return bReturn;
}
// NYI: Return false in any other case.
return false;
}
set
{
if (!HasKids)
{
//string name = value ? GetNonOffValue() : "/Off";
string name = value ? CheckedName : UncheckedName;
Elements.SetName(Keys.V, name);
Elements.SetName(PdfAnnotation.Keys.AS, name);
}
else
{
// Here we have to handle fields that exist twice with the same name.
// Checked must be set for both fields, using /Off for one field and skipping /Off for the other,
// to have only one field with a check mark.
// Finding this took me two working days.
if (Fields.Elements.Items.Length == 2)
{
if (value)
{
//Element 0 behandeln -> auf checked setzen
string name1 = "";
PdfDictionary o = ((PdfDictionary)(((PdfReference)(Fields.Elements.Items[0])).Value)).Elements["/AP"] as PdfDictionary;
if (o != null)
{
PdfDictionary n = o.Elements["/N"] as PdfDictionary;
if (n != null)
{
foreach (string name in n.Elements.Keys)
{
//if (name != UncheckedValue)
if (name == CheckedName)
{
name1 = name;
break;
}
}
}
}
if (name1.Length != 0)
{
((PdfDictionary)(((PdfReference)(Fields.Elements.Items[0])).Value)).Elements.SetName(Keys.V, name1);
((PdfDictionary)(((PdfReference)(Fields.Elements.Items[0])).Value)).Elements.SetName(PdfAnnotation.Keys.AS, name1);
}
//Element 1 behandeln -> auf unchecked setzen
o = ((PdfDictionary)(((PdfReference)(Fields.Elements.Items[1])).Value)).Elements["/AP"] as PdfDictionary;
if (o != null)
{
PdfDictionary n = o.Elements["/N"] as PdfDictionary;
if (n != null)
{
foreach (string name in n.Elements.Keys)
{
if (name == UncheckedName)
{
name1 = name;
break;
}
}
}
}
if (!String.IsNullOrEmpty(name1))
{
((PdfDictionary)(((PdfReference)(Fields.Elements.Items[1])).Value)).Elements.SetName(Keys.V, name1);
((PdfDictionary)(((PdfReference)(Fields.Elements.Items[1])).Value)).Elements.SetName(PdfAnnotation.Keys.AS, name1);
}
}
else
{
//Element 0 behandeln -> auf unchecked setzen
string name1 = "";
PdfDictionary o = ((PdfDictionary)(((PdfReference)(Fields.Elements.Items[1])).Value)).Elements["/AP"] as PdfDictionary;
if (o != null)
{
PdfDictionary n = o.Elements["/N"] as PdfDictionary;
if (n != null)
{
foreach (string name in n.Elements.Keys)
{
//if (name != UncheckedValue)
if (name == CheckedName)
{
name1 = name;
break;
}
}
}
}
if (name1.Length != 0)
{
((PdfDictionary)(((PdfReference)(Fields.Elements.Items[1])).Value)).Elements.SetName(Keys.V, name1);
((PdfDictionary)(((PdfReference)(Fields.Elements.Items[1])).Value)).Elements.SetName(PdfAnnotation.Keys.AS, name1);
}
//Element 1 behandeln -> auf checked setzen
o = ((PdfDictionary)(((PdfReference)(Fields.Elements.Items[0])).Value)).Elements["/AP"] as PdfDictionary;
if (o != null)
{
PdfDictionary n = o.Elements["/N"] as PdfDictionary;
if (n != null)
{
foreach (string name in n.Elements.Keys)
{
if (name == UncheckedName)
{
name1 = name;
break;
}
}
}
}
if (name1.Length != 0)
{
((PdfDictionary)(((PdfReference)(Fields.Elements.Items[0])).Value)).Elements.SetName(Keys.V, name1);
((PdfDictionary)(((PdfReference)(Fields.Elements.Items[0])).Value)).Elements.SetName(PdfAnnotation.Keys.AS, name1);
}
}
}
}
}
}
#else
/// <summary>
/// Indicates whether the field is checked.
/// </summary>
public bool Checked
{
get
{
if (!HasKids) //R080317
{
string value = Elements.GetString(Keys.V);
return value.Length != 0 && value != "/Off";
}
else //R080317
{
if (Fields.Elements.Items.Length == 2)
{
string value = ((PdfDictionary)(((PdfReference)(Fields.Elements.Items[0])).Value)).Elements.GetString(Keys.V);
bool bReturn = value.Length != 0 && value != "/Off" && value != "/Nein"; //R081114 (3Std.!!) auch auf Nein pr<70>fen; //TODO woher kommt der Wert?
return bReturn;
}
else
return false;
}
}
set
{
if (!HasKids)
{
string name = value ? GetNonOffValue() : "/Off";
Elements.SetName(Keys.V, name);
Elements.SetName(PdfAnnotation.Keys.AS, name);
}
else
{
// Here we have to handle fields that exist twice with the same name.
// Checked must be set for both fields, using /Off for one field and skipping /Off for the other,
// to have only one field with a check mark.
// Finding this took me two working days.
if (Fields.Elements.Items.Length == 2)
{
if (value)
{
//Element 0 behandeln -> auf checked setzen
string name1 = "";
PdfDictionary o = ((PdfDictionary)(((PdfReference)(Fields.Elements.Items[0])).Value)).Elements["/AP"] as PdfDictionary;
if (o != null)
{
PdfDictionary n = o.Elements["/N"] as PdfDictionary;
if (n != null)
{
foreach (string name in n.Elements.Keys)
{
if (name != "/Off")
{
name1 = name;
break;
}
}
}
}
if (name1.Length != 0)
{
((PdfDictionary)(((PdfReference)(Fields.Elements.Items[0])).Value)).Elements.SetName(Keys.V, name1);
((PdfDictionary)(((PdfReference)(Fields.Elements.Items[0])).Value)).Elements.SetName(PdfAnnotation.Keys.AS, name1);
}
//Element 1 behandeln -> auf unchecked setzen
o = ((PdfDictionary)(((PdfReference)(Fields.Elements.Items[1])).Value)).Elements["/AP"] as PdfDictionary;
if (o != null)
{
PdfDictionary n = o.Elements["/N"] as PdfDictionary;
if (n != null)
{
foreach (string name in n.Elements.Keys)
{
if (name == "/Off")
{
name1 = name;
break;
}
}
}
}
if (name1.Length != 0)
{
((PdfDictionary)(((PdfReference)(Fields.Elements.Items[1])).Value)).Elements.SetName(Keys.V, name1);
((PdfDictionary)(((PdfReference)(Fields.Elements.Items[1])).Value)).Elements.SetName(PdfAnnotation.Keys.AS, name1);
}
}
else
{
//Element 0 behandeln -> auf unchecked setzen
string name1 = "";
PdfDictionary o = ((PdfDictionary)(((PdfReference)(Fields.Elements.Items[1])).Value)).Elements["/AP"] as PdfDictionary;
if (o != null)
{
PdfDictionary n = o.Elements["/N"] as PdfDictionary;
if (n != null)
{
foreach (string name in n.Elements.Keys)
{
if (name != "/Off")
{
name1 = name;
break;
}
}
}
}
if (name1.Length != 0)
{
((PdfDictionary)(((PdfReference)(Fields.Elements.Items[1])).Value)).Elements.SetName(Keys.V, name1);
((PdfDictionary)(((PdfReference)(Fields.Elements.Items[1])).Value)).Elements.SetName(PdfAnnotation.Keys.AS, name1);
}
//Element 1 behandeln -> auf checked setzen
o = ((PdfDictionary)(((PdfReference)(Fields.Elements.Items[0])).Value)).Elements["/AP"] as PdfDictionary;
if (o != null)
{
PdfDictionary n = o.Elements["/N"] as PdfDictionary;
if (n != null)
{
foreach (string name in n.Elements.Keys)
{
if (name == "/Off")
{
name1 = name;
break;
}
}
}
}
if (name1.Length != 0)
{
((PdfDictionary)(((PdfReference)(Fields.Elements.Items[0])).Value)).Elements.SetName(Keys.V, name1);
((PdfDictionary)(((PdfReference)(Fields.Elements.Items[0])).Value)).Elements.SetName(PdfAnnotation.Keys.AS, name1);
}
}
}
}
}
}
#endif
/// <summary>
/// Gets or sets the name of the dictionary that represents the Checked state.
/// </summary>
/// The default value is "/Yes".
public string CheckedName
{
get { return _checkedName; }
set { _checkedName = value; }
}
string _checkedName = "/Yes";
/// <summary>
/// Gets or sets the name of the dictionary that represents the Unchecked state.
/// The default value is "/Off".
/// </summary>
public string UncheckedName
{
get { return _uncheckedName; }
set { _uncheckedName = value; }
}
string _uncheckedName = "/Off";
/// <summary>
/// Predefined keys of this dictionary.
/// The description comes from PDF 1.4 Reference.
/// </summary>
public new class Keys : PdfButtonField.Keys
{
/// <summary>
/// (Optional; inheritable; PDF 1.4) A text string to be used in place of the V entry for the
/// value of the field.
/// </summary>
[KeyInfo(KeyType.TextString | KeyType.Optional)]
public const string Opt = "/Opt";
/// <summary>
/// Gets the KeysMeta for these keys.
/// </summary>
internal static DictionaryMeta Meta
{
get { return _meta ?? (_meta = CreateMeta(typeof(Keys))); }
}
static DictionaryMeta _meta;
}
/// <summary>
/// Gets the KeysMeta of this dictionary type.
/// </summary>
internal override DictionaryMeta Meta
{
get { return Keys.Meta; }
}
}
}

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PdfSharp/Pdf.AcroForms/PdfChoiceField.cs Normal file
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#region PDFsharp - A .NET library for processing PDF
//
// Authors:
// Stefan Lange
//
// Copyright (c) 2005-2017 empira Software GmbH, Cologne Area (Germany)
//
// http://www.pdfsharp.com
// http://sourceforge.net/projects/pdfsharp
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
#endregion
using System;
using System.Diagnostics;
namespace PdfSharp.Pdf.AcroForms
{
/// <summary>
/// Represents the base class for all choice field dictionaries.
/// </summary>
public abstract class PdfChoiceField : PdfAcroField
{
/// <summary>
/// Initializes a new instance of the <see cref="PdfChoiceField"/> class.
/// </summary>
protected PdfChoiceField(PdfDocument document)
: base(document)
{ }
/// <summary>
/// Initializes a new instance of the <see cref="PdfChoiceField"/> class.
/// </summary>
protected PdfChoiceField(PdfDictionary dict)
: base(dict)
{ }
/// <summary>
/// Gets the index of the specified string in the /Opt array or -1, if no such string exists.
/// </summary>
protected int IndexInOptArray(string value)
{
PdfArray opt = Elements.GetArray(Keys.Opt);
#if DEBUG // Check with //R080317 implemention
PdfArray opt2 = null;
if (Elements[Keys.Opt] is PdfArray)
opt2 = Elements[Keys.Opt] as PdfArray;
else if (Elements[Keys.Opt] is Advanced.PdfReference)
{
//falls das Array nicht direkt am Element h<>ngt,
//das Array aus dem referenzierten Element holen
opt2 = ((Advanced.PdfReference)Elements[Keys.Opt]).Value as PdfArray;
}
Debug.Assert(ReferenceEquals(opt, opt2));
#endif
if (opt != null)
{
int count = opt.Elements.Count;
for (int idx = 0; idx < count; idx++)
{
PdfItem item = opt.Elements[idx];
if (item is PdfString)
{
if (item.ToString() == value)
return idx;
}
else if (item is PdfArray)
{
PdfArray array = (PdfArray)item;
if (array.Elements.Count != 0)
{
if (array.Elements[0].ToString() == value)
return idx;
}
}
}
}
return -1;
}
/// <summary>
/// Gets the value from the index in the /Opt array.
/// </summary>
protected string ValueInOptArray(int index)
{
PdfArray opt = Elements.GetArray(Keys.Opt);
if (opt != null)
{
int count = opt.Elements.Count;
if (index < 0 || index >= count)
throw new ArgumentOutOfRangeException("index");
PdfItem item = opt.Elements[index];
if (item is PdfString)
return item.ToString();
if (item is PdfArray)
{
PdfArray array = (PdfArray)item;
if (array.Elements.Count != 0)
return array.Elements[0].ToString();
}
}
return "";
}
/// <summary>
/// Predefined keys of this dictionary.
/// The description comes from PDF 1.4 Reference.
/// </summary>
public new class Keys : PdfAcroField.Keys
{
// ReSharper disable InconsistentNaming
/// <summary>
/// (Required; inheritable) An array of options to be presented to the user. Each element of
/// the array is either a text string representing one of the available options or a two-element
/// array consisting of a text string together with a default appearance string for constructing
/// the item<65>s appearance dynamically at viewing time.
/// </summary>
[KeyInfo(KeyType.Array | KeyType.Optional)]
public const string Opt = "/Opt";
/// <summary>
/// (Optional; inheritable) For scrollable list boxes, the top index (the index in the Opt array
/// of the first option visible in the list).
/// </summary>
[KeyInfo(KeyType.Integer | KeyType.Optional)]
public const string TI = "/TI";
/// <summary>
/// (Sometimes required, otherwise optional; inheritable; PDF 1.4) For choice fields that allow
/// multiple selection (MultiSelect flag set), an array of integers, sorted in ascending order,
/// representing the zero-based indices in the Opt array of the currently selected option
/// items. This entry is required when two or more elements in the Opt array have different
/// names but the same export value, or when the value of the choice field is an array; in
/// other cases, it is permitted but not required. If the items identified by this entry differ
/// from those in the V entry of the field dictionary (see below), the V entry takes precedence.
/// </summary>
[KeyInfo(KeyType.Array | KeyType.Optional)]
public const string I = "/I";
/// <summary>
/// Gets the KeysMeta for these keys.
/// </summary>
internal static DictionaryMeta Meta
{
get { return _meta ?? (_meta = CreateMeta(typeof(Keys))); }
}
static DictionaryMeta _meta;
// ReSharper restore InconsistentNaming
}
/// <summary>
/// Gets the KeysMeta of this dictionary type.
/// </summary>
internal override DictionaryMeta Meta
{
get { return Keys.Meta; }
}
}
}

132
PdfSharp/Pdf.AcroForms/PdfComboBoxField.cs Normal file
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#region PDFsharp - A .NET library for processing PDF
//
// Authors:
// Stefan Lange
//
// Copyright (c) 2005-2017 empira Software GmbH, Cologne Area (Germany)
//
// http://www.pdfsharp.com
// http://sourceforge.net/projects/pdfsharp
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
#endregion
using System;
namespace PdfSharp.Pdf.AcroForms
{
/// <summary>
/// Represents the combo box field.
/// </summary>
public sealed class PdfComboBoxField : PdfChoiceField
{
/// <summary>
/// Initializes a new instance of PdfComboBoxField.
/// </summary>
internal PdfComboBoxField(PdfDocument document)
: base(document)
{ }
internal PdfComboBoxField(PdfDictionary dict)
: base(dict)
{ }
/// <summary>
/// Gets or sets the index of the selected item.
/// </summary>
public int SelectedIndex
{
get
{
string value = Elements.GetString(Keys.V);
return IndexInOptArray(value);
}
set
{
// xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
if (value != -1) //R080325
{
string key = ValueInOptArray(value);
Elements.SetString(Keys.V, key);
Elements.SetInteger("/I", value); //R080304 !!!!!!! sonst reagiert die Combobox <20>berhaupt nicht !!!!!
}
}
}
/// <summary>
/// Gets or sets the value of the field.
/// </summary>
// xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
public override PdfItem Value //R080304
{
get { return Elements[Keys.V]; }
set
{
if (ReadOnly)
throw new InvalidOperationException("The field is read only.");
if (value is PdfString || value is PdfName)
{
Elements[Keys.V] = value;
SelectedIndex = SelectedIndex; //R080304 !!!
if (SelectedIndex == -1)
{
//R080317 noch nicht rund
try
{
//anh<6E>ngen
((PdfArray)(((PdfItem[])(Elements.Values))[2])).Elements.Add(Value);
SelectedIndex = SelectedIndex;
}
catch { }
}
}
else
throw new NotImplementedException("Values other than string cannot be set.");
}
}
/// <summary>
/// Predefined keys of this dictionary.
/// The description comes from PDF 1.4 Reference.
/// </summary>
public new class Keys : PdfAcroField.Keys
{
// Combo boxes have no additional entries.
internal static DictionaryMeta Meta
{
get
{
if (Keys._meta == null)
Keys._meta = CreateMeta(typeof(Keys));
return Keys._meta;
}
}
static DictionaryMeta _meta;
}
/// <summary>
/// Gets the KeysMeta of this dictionary type.
/// </summary>
internal override DictionaryMeta Meta
{
get { return Keys.Meta; }
}
}
}

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PdfSharp/Pdf.AcroForms/PdfGenericField.cs Normal file
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#region PDFsharp - A .NET library for processing PDF
//
// Authors:
// Stefan Lange
//
// Copyright (c) 2005-2017 empira Software GmbH, Cologne Area (Germany)
//
// http://www.pdfsharp.com
// http://sourceforge.net/projects/pdfsharp
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
#endregion
namespace PdfSharp.Pdf.AcroForms
{
/// <summary>
/// Represents a generic field. Used for AcroForm dictionaries unknown to PDFsharp.
/// </summary>
public sealed class PdfGenericField : PdfAcroField
{
/// <summary>
/// Initializes a new instance of PdfGenericField.
/// </summary>
internal PdfGenericField(PdfDocument document)
: base(document)
{ }
internal PdfGenericField(PdfDictionary dict)
: base(dict)
{ }
/// <summary>
/// Predefined keys of this dictionary.
/// The description comes from PDF 1.4 Reference.
/// </summary>
public new class Keys : PdfAcroField.Keys
{
internal static DictionaryMeta Meta
{
get { return _meta ?? (_meta = CreateMeta(typeof(Keys))); }
}
static DictionaryMeta _meta;
}
/// <summary>
/// Gets the KeysMeta of this dictionary type.
/// </summary>
internal override DictionaryMeta Meta
{
get { return Keys.Meta; }
}
}
}

88
PdfSharp/Pdf.AcroForms/PdfListBoxField.cs Normal file
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#region PDFsharp - A .NET library for processing PDF
//
// Authors:
// Stefan Lange
//
// Copyright (c) 2005-2017 empira Software GmbH, Cologne Area (Germany)
//
// http://www.pdfsharp.com
// http://sourceforge.net/projects/pdfsharp
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
#endregion
namespace PdfSharp.Pdf.AcroForms
{
/// <summary>
/// Represents the list box field.
/// </summary>
public sealed class PdfListBoxField : PdfChoiceField
{
/// <summary>
/// Initializes a new instance of PdfListBoxField.
/// </summary>
internal PdfListBoxField(PdfDocument document)
: base(document)
{ }
internal PdfListBoxField(PdfDictionary dict)
: base(dict)
{ }
/// <summary>
/// Gets or sets the index of the selected item
/// </summary>
public int SelectedIndex
{
get
{
string value = Elements.GetString(Keys.V);
return IndexInOptArray(value);
}
set
{
string key = ValueInOptArray(value);
Elements.SetString(Keys.V, key);
}
}
/// <summary>
/// Predefined keys of this dictionary.
/// The description comes from PDF 1.4 Reference.
/// </summary>
public new class Keys : PdfAcroField.Keys
{
// List boxes have no additional entries.
internal static DictionaryMeta Meta
{
get { return _meta ?? (_meta = CreateMeta(typeof(Keys))); }
}
static DictionaryMeta _meta;
}
/// <summary>
/// Gets the KeysMeta of this dictionary type.
/// </summary>
internal override DictionaryMeta Meta
{
get { return Keys.Meta; }
}
}
}

71
PdfSharp/Pdf.AcroForms/PdfPushButtonField.cs Normal file
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#region PDFsharp - A .NET library for processing PDF
//
// Authors:
// Stefan Lange
//
// Copyright (c) 2005-2017 empira Software GmbH, Cologne Area (Germany)
//
// http://www.pdfsharp.com
// http://sourceforge.net/projects/pdfsharp
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
#endregion
namespace PdfSharp.Pdf.AcroForms
{
/// <summary>
/// Represents the push button field.
/// </summary>
public sealed class PdfPushButtonField : PdfButtonField
{
/// <summary>
/// Initializes a new instance of PdfPushButtonField.
/// </summary>
internal PdfPushButtonField(PdfDocument document)
: base(document)
{
_document = document;
}
internal PdfPushButtonField(PdfDictionary dict)
: base(dict)
{ }
/// <summary>
/// Predefined keys of this dictionary.
/// The description comes from PDF 1.4 Reference.
/// </summary>
public new class Keys : PdfAcroField.Keys
{
internal static DictionaryMeta Meta
{
get { return _meta ?? (_meta = CreateMeta(typeof(Keys))); }
}
static DictionaryMeta _meta;
}
/// <summary>
/// Gets the KeysMeta of this dictionary type.
/// </summary>
internal override DictionaryMeta Meta
{
get { return Keys.Meta; }
}
}
}

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PdfSharp/Pdf.AcroForms/PdfRadioButtonField.cs Normal file
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#region PDFsharp - A .NET library for processing PDF
//
// Authors:
// Stefan Lange
//
// Copyright (c) 2005-2017 empira Software GmbH, Cologne Area (Germany)
//
// http://www.pdfsharp.com
// http://sourceforge.net/projects/pdfsharp
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
#endregion
using System;
namespace PdfSharp.Pdf.AcroForms
{
/// <summary>
/// Represents the radio button field.
/// </summary>
public sealed class PdfRadioButtonField : PdfButtonField
{
/// <summary>
/// Initializes a new instance of PdfRadioButtonField.
/// </summary>
internal PdfRadioButtonField(PdfDocument document)
: base(document)
{
_document = document;
}
internal PdfRadioButtonField(PdfDictionary dict)
: base(dict)
{ }
/// <summary>
/// Gets or sets the index of the selected radio button in a radio button group.
/// </summary>
public int SelectedIndex
{
get
{
string value = Elements.GetString(Keys.V);
return IndexInOptStrings(value);
}
set
{
PdfArray opt = Elements[Keys.Opt] as PdfArray;
if (opt == null)
opt = Elements[Keys.Kids] as PdfArray;
if (opt != null)
{
int count = opt.Elements.Count;
if (value < 0 || value >= count)
throw new ArgumentOutOfRangeException("value");
Elements.SetName(Keys.V, opt.Elements[value].ToString());
}
}
}
int IndexInOptStrings(string value)
{
PdfArray opt = Elements[Keys.Opt] as PdfArray;
if (opt != null)
{
int count = opt.Elements.Count;
for (int idx = 0; idx < count; idx++)
{
PdfItem item = opt.Elements[idx];
if (item is PdfString)
{
if (item.ToString() == value)
return idx;
}
}
}
return -1;
}
/// <summary>
/// Predefined keys of this dictionary.
/// The description comes from PDF 1.4 Reference.
/// </summary>
public new class Keys : PdfButtonField.Keys
{
/// <summary>
/// (Optional; inheritable; PDF 1.4) An array of text strings to be used in
/// place of the V entries for the values of the widget annotations representing
/// the individual radio buttons. Each element in the array represents
/// the export value of the corresponding widget annotation in the
/// Kids array of the radio button field.
/// </summary>
[KeyInfo(KeyType.Array | KeyType.Optional)]
public const string Opt = "/Opt";
/// <summary>
/// Gets the KeysMeta for these keys.
/// </summary>
internal static DictionaryMeta Meta
{
get { return _meta ?? (_meta = CreateMeta(typeof(Keys))); }
}
static DictionaryMeta _meta;
}
/// <summary>
/// Gets the KeysMeta of this dictionary type.
/// </summary>
internal override DictionaryMeta Meta
{
get { return Keys.Meta; }
}
}
}

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#region PDFsharp - A .NET library for processing PDF
//
// Authors:
// Stefan Lange
//
// Copyright (c) 2005-2017 empira Software GmbH, Cologne Area (Germany)
//
// http://www.pdfsharp.com
// http://sourceforge.net/projects/pdfsharp
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
#endregion
namespace PdfSharp.Pdf.AcroForms
{
/// <summary>
/// Represents the signature field.
/// </summary>
public sealed class PdfSignatureField : PdfAcroField
{
/// <summary>
/// Initializes a new instance of PdfSignatureField.
/// </summary>
internal PdfSignatureField(PdfDocument document)
: base(document)
{ }
internal PdfSignatureField(PdfDictionary dict)
: base(dict)
{ }
/// <summary>
/// Predefined keys of this dictionary.
/// The description comes from PDF 1.4 Reference.
/// </summary>
public new class Keys : PdfAcroField.Keys
{
/// <summary>
/// (Optional) The type of PDF object that this dictionary describes; if present,
/// must be Sig for a signature dictionary.
/// </summary>
[KeyInfo(KeyType.Name | KeyType.Optional)]
public const string Type = "/Type";
/// <summary>
/// (Required; inheritable) The name of the signature handler to be used for
/// authenticating the field<6C>s contents, such as Adobe.PPKLite, Entrust.PPKEF,
/// CICI.SignIt, or VeriSign.PPKVS.
/// </summary>
[KeyInfo(KeyType.Name | KeyType.Required)]
public const string Filter = "/Filter";
/// <summary>
/// (Optional) The name of a specific submethod of the specified handler.
/// </summary>
[KeyInfo(KeyType.Name | KeyType.Optional)]
public const string SubFilter = "/SubFilter";
/// <summary>
/// (Required) An array of pairs of integers (starting byte offset, length in bytes)
/// describing the exact byte range for the digest calculation. Multiple discontinuous
/// byte ranges may be used to describe a digest that does not include the
/// signature token itself.
/// </summary>
[KeyInfo(KeyType.Array | KeyType.Required)]
public const string ByteRange = "/ByteRange";
/// <summary>
/// (Required) The encrypted signature token.
/// </summary>
[KeyInfo(KeyType.String | KeyType.Required)]
public const string Contents = "/Contents";
/// <summary>
/// (Optional) The name of the person or authority signing the document.
/// </summary>
[KeyInfo(KeyType.TextString | KeyType.Optional)]
public const string Name = "/Name";
/// <summary>
/// (Optional) The time of signing. Depending on the signature handler, this
/// may be a normal unverified computer time or a time generated in a verifiable
/// way from a secure time server.
/// </summary>
[KeyInfo(KeyType.Date | KeyType.Optional)]
public const string M = "/M";
/// <summary>
/// (Optional) The CPU host name or physical location of the signing.
/// </summary>
[KeyInfo(KeyType.TextString | KeyType.Optional)]
public const string Location = "/Location";
/// <summary>
/// (Optional) The reason for the signing, such as (I agree<65>).
/// </summary>
[KeyInfo(KeyType.TextString | KeyType.Optional)]
public const string Reason = "/Reason";
/// <summary>
/// Gets the KeysMeta for these keys.
/// </summary>
internal static DictionaryMeta Meta
{
get { return _meta ?? (_meta = CreateMeta(typeof(Keys))); }
}
static DictionaryMeta _meta;
}
/// <summary>
/// Gets the KeysMeta of this dictionary type.
/// </summary>
internal override DictionaryMeta Meta
{
get { return Keys.Meta; }
}
}
}

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PdfSharp/Pdf.AcroForms/PdfTextField.cs Normal file
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#region PDFsharp - A .NET library for processing PDF
//
// Authors:
// Stefan Lange
//
// Copyright (c) 2005-2017 empira Software GmbH, Cologne Area (Germany)
//
// http://www.pdfsharp.com
// http://sourceforge.net/projects/pdfsharp
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
#endregion
using PdfSharp.Drawing;
using PdfSharp.Pdf.Advanced;
using PdfSharp.Pdf.Annotations;
using PdfSharp.Pdf.Internal;
namespace PdfSharp.Pdf.AcroForms
{
/// <summary>
/// Represents the text field.
/// </summary>
public sealed class PdfTextField : PdfAcroField
{
/// <summary>
/// Initializes a new instance of PdfTextField.
/// </summary>
internal PdfTextField(PdfDocument document)
: base(document)
{ }
internal PdfTextField(PdfDictionary dict)
: base(dict)
{ }
/// <summary>
/// Gets or sets the text value of the text field.
/// </summary>
public string Text
{
get { return Elements.GetString(Keys.V); }
set { Elements.SetString(Keys.V, value); RenderAppearance(); } //HACK in PdfTextField
}
/// <summary>
/// Gets or sets the font used to draw the text of the field.
/// </summary>
public XFont Font
{
get { return _font; }
set { _font = value; }
}
XFont _font = new XFont("Courier New", 10);
/// <summary>
/// Gets or sets the foreground color of the field.
/// </summary>
public XColor ForeColor
{
get { return _foreColor; }
set { _foreColor = value; }
}
XColor _foreColor = XColors.Black;
/// <summary>
/// Gets or sets the background color of the field.
/// </summary>
public XColor BackColor
{
get { return _backColor; }
set { _backColor = value; }
}
XColor _backColor = XColor.Empty;
/// <summary>
/// Gets or sets the maximum length of the field.
/// </summary>
/// <value>The length of the max.</value>
public int MaxLength
{
get { return Elements.GetInteger(Keys.MaxLen); }
set { Elements.SetInteger(Keys.MaxLen, value); }
}
/// <summary>
/// Gets or sets a value indicating whether the field has multiple lines.
/// </summary>
public bool MultiLine
{
get { return (Flags & PdfAcroFieldFlags.Multiline) != 0; }
set
{
if (value)
SetFlags |= PdfAcroFieldFlags.Multiline;
else
SetFlags &= ~PdfAcroFieldFlags.Multiline;
}
}
/// <summary>
/// Gets or sets a value indicating whether this field is used for passwords.
/// </summary>
public bool Password
{
get { return (Flags & PdfAcroFieldFlags.Password) != 0; }
set
{
if (value)
SetFlags |= PdfAcroFieldFlags.Password;
else
SetFlags &= ~PdfAcroFieldFlags.Password;
}
}
/// <summary>
/// Creates the normal appearance form X object for the annotation that represents
/// this acro form text field.
/// </summary>
void RenderAppearance()
{
#if true_
PdfFormXObject xobj = new PdfFormXObject(Owner);
Owner.Internals.AddObject(xobj);
xobj.Elements["/BBox"] = new PdfLiteral("[0 0 122.653 12.707]");
xobj.Elements["/FormType"] = new PdfLiteral("1");
xobj.Elements["/Matrix"] = new PdfLiteral("[1 0 0 1 0 0]");
PdfDictionary res = new PdfDictionary(Owner);
xobj.Elements["/Resources"] = res;
res.Elements["/Font"] = new PdfLiteral("<< /Helv 28 0 R >> /ProcSet [/PDF /Text]");
xobj.Elements["/Subtype"] = new PdfLiteral("/Form");
xobj.Elements["/Type"] = new PdfLiteral("/XObject");
string s =
"/Tx BMC " + '\n' +
"q" + '\n' +
"1 1 120.653 10.707 re" + '\n' +
"W" + '\n' +
"n" + '\n' +
"BT" + '\n' +
"/Helv 7.93 Tf" + '\n' +
"0 g" + '\n' +
"2 3.412 Td" + '\n' +
"(Hello ) Tj" + '\n' +
"20.256 0 Td" + '\n' +
"(XXX) Tj" + '\n' +
"ET" + '\n' +
"Q" + '\n' +
"";//"EMC";
int length = s.Length;
byte[] stream = new byte[length];
for (int idx = 0; idx < length; idx++)
stream[idx] = (byte)s[idx];
xobj.CreateStream(stream);
// Get existing or create new appearance dictionary
PdfDictionary ap = Elements[PdfAnnotation.Keys.AP] as PdfDictionary;
if (ap == null)
{
ap = new PdfDictionary(_document);
Elements[PdfAnnotation.Keys.AP] = ap;
}
// Set XRef to normal state
ap.Elements["/N"] = xobj.Reference;
//// HACK
//string m =
//"<?xpacket begin=\"\" id=\"W5M0MpCehiHzreSzNTczkc9d\"?>" + '\n' +
//"<x:xmpmeta xmlns:x=\"adobe:ns:meta/\" x:xmptk=\"Adobe XMP Core 4.0-c321 44.398116, Tue Aug 04 2009 14:24:39\"> " + '\n' +
//" <rdf:RDF xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\"> " + '\n' +
//" <rdf:Description rdf:about=\"\" " + '\n' +
//" xmlns:pdf=\"http://ns.adobe.com/pdf/1.3/\"> " + '\n' +
//" <pdf:Producer>PDFsharp 1.40.2150-g (www.pdfsharp.com) (Original: Powered By Crystal)</pdf:Producer> " + '\n' +
//" </rdf:Description> " + '\n' +
//" <rdf:Description rdf:about=\"\" " + '\n' +
//" xmlns:xap=\"http://ns.adobe.com/xap/1.0/\"> " + '\n' +
//" <xap:ModifyDate>2011-07-11T23:15:09+02:00</xap:ModifyDate> " + '\n' +
//" <xap:CreateDate>2011-05-19T16:26:51+03:00</xap:CreateDate> " + '\n' +
//" <xap:MetadataDate>2011-07-11T23:15:09+02:00</xap:MetadataDate> " + '\n' +
//" <xap:CreatorTool>Crystal Reports</xap:CreatorTool> " + '\n' +
//" </rdf:Description> " + '\n' +
//" <rdf:Description rdf:about=\"\" " + '\n' +
//" xmlns:dc=\"http://purl.org/dc/elements/1.1/\"> " + '\n' +
//" <dc:format>application/pdf</dc:format> " + '\n' +
//" </rdf:Description> " + '\n' +
//" <rdf:Description rdf:about=\"\" " + '\n' +
//" xmlns:xapMM=\"http://ns.adobe.com/xap/1.0/mm/\"> " + '\n' +
//" <xapMM:DocumentID>uuid:68249d89-baed-4384-9a2d-fbf8ace75c45</xapMM:DocumentID> " + '\n' +
//" <xapMM:InstanceID>uuid:3d5f2f46-c140-416f-baf2-7f9c970cef1d</xapMM:InstanceID> " + '\n' +
//" </rdf:Description> " + '\n' +
//" </rdf:RDF> " + '\n' +
//"</x:xmpmeta> " + '\n' +
//" " + '\n' +
//" " + '\n' +
//" " + '\n' +
//" " + '\n' +
//" " + '\n' +
//" " + '\n' +
//" " + '\n' +
//" " + '\n' +
//" " + '\n' +
//" " + '\n' +
//"<?xpacket end=\"w\"?>";
//PdfDictionary mdict = (PdfDictionary)_document.Internals.GetObject(new PdfObjectID(32));
//length = m.Length;
//stream = new byte[length];
//for (int idx = 0; idx < length; idx++)
// stream[idx] = (byte)m[idx];
//mdict.Stream.Value = stream;
#else
PdfRectangle rect = Elements.GetRectangle(PdfAnnotation.Keys.Rect);
XForm form = new XForm(_document, rect.Size);
XGraphics gfx = XGraphics.FromForm(form);
if (_backColor != XColor.Empty)
gfx.DrawRectangle(new XSolidBrush(BackColor), rect.ToXRect() - rect.Location);
string text = Text;
if (text.Length > 0)
gfx.DrawString(Text, Font, new XSolidBrush(ForeColor),
rect.ToXRect() - rect.Location + new XPoint(2, 0), XStringFormats.TopLeft);
form.DrawingFinished();
form.PdfForm.Elements.Add("/FormType", new PdfLiteral("1"));
// Get existing or create new appearance dictionary.
PdfDictionary ap = Elements[PdfAnnotation.Keys.AP] as PdfDictionary;
if (ap == null)
{
ap = new PdfDictionary(_document);
Elements[PdfAnnotation.Keys.AP] = ap;
}
// Set XRef to normal state
ap.Elements["/N"] = form.PdfForm.Reference;
PdfFormXObject xobj = form.PdfForm;
string s = xobj.Stream.ToString();
// Thank you Adobe: Without putting the content in 'EMC brackets'
// the text is not rendered by PDF Reader 9 or higher.
s = "/Tx BMC\n" + s + "\nEMC";
xobj.Stream.Value = new RawEncoding().GetBytes(s);
#endif
}
internal override void PrepareForSave()
{
base.PrepareForSave();
RenderAppearance();
}
/// <summary>
/// Predefined keys of this dictionary.
/// The description comes from PDF 1.4 Reference.
/// </summary>
public new class Keys : PdfAcroField.Keys
{
/// <summary>
/// (Optional; inheritable) The maximum length of the field<6C>s text, in characters.
/// </summary>
[KeyInfo(KeyType.Integer | KeyType.Optional)]
public const string MaxLen = "/MaxLen";
/// <summary>
/// Gets the KeysMeta for these keys.
/// </summary>
internal static DictionaryMeta Meta
{
get { return _meta ?? (_meta = CreateMeta(typeof(Keys))); }
}
static DictionaryMeta _meta;
}
/// <summary>
/// Gets the KeysMeta of this dictionary type.
/// </summary>
internal override DictionaryMeta Meta
{
get { return Keys.Meta; }
}
}
}

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#region PDFsharp - A .NET library for processing PDF
//
// Authors:
// Stefan Lange
//
// Copyright (c) 2005-2017 empira Software GmbH, Cologne Area (Germany)
//
// http://www.pdfsharp.com
// http://sourceforge.net/projects/pdfsharp
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
#endregion
using System;
namespace PdfSharp.Pdf.AcroForms
{
/// <summary>
/// Specifies the flags of AcroForm fields.
/// </summary>
[Flags]
public enum PdfAcroFieldFlags
{
// ----- Common to all fields -----------------------------------------------------------------
/// <summary>
/// If set, the user may not change the value of the field. Any associated widget
/// annotations will not interact with the user; that is, they will not respond to
/// mouse clicks or change their appearance in response to mouse motions. This
/// flag is useful for fields whose values are computed or imported from a database.
/// </summary>
ReadOnly = 1 << (1 - 1),
/// <summary>
/// If set, the field must have a value at the time it is exported by a submit-form action.
/// </summary>
Required = 1 << (2 - 1),
/// <summary>
/// If set, the field must not be exported by a submit-form action.
/// </summary>
NoExport = 1 << (3 - 1),
// ----- Specific to button fields ------------------------------------------------------------
/// <summary>
/// If set, the field is a pushbutton that does not retain a permanent value.
/// </summary>
Pushbutton = 1 << (17 - 1),
/// <summary>
/// If set, the field is a set of radio buttons; if clear, the field is a checkbox.
/// This flag is meaningful only if the Pushbutton flag is clear.
/// </summary>
Radio = 1 << (16 - 1),
/// <summary>
/// (Radio buttons only) If set, exactly one radio button must be selected at all times;
/// clicking the currently selected button has no effect. If clear, clicking
/// the selected button deselects it, leaving no button selected.
/// </summary>
NoToggleToOff = 1 << (15 - 1),
// ----- Specific to text fields --------------------------------------------------------------
/// <summary>
/// If set, the field may contain multiple lines of text; if clear, the field<6C>s text
/// is restricted to a single line.
/// </summary>
Multiline = 1 << (13 - 1),
/// <summary>
/// If set, the field is intended for entering a secure password that should
/// not be echoed visibly to the screen. Characters typed from the keyboard
/// should instead be echoed in some unreadable form, such as
/// asterisks or bullet characters.
/// To protect password confidentiality, viewer applications should never
/// store the value of the text field in the PDF file if this flag is set.
/// </summary>
Password = 1 << (14 - 1),
/// <summary>
/// (PDF 1.4) If set, the text entered in the field represents the pathname of
/// a file whose contents are to be submitted as the value of the field.
/// </summary>
FileSelect = 1 << (21 - 1),
/// <summary>
/// (PDF 1.4) If set, the text entered in the field will not be spell-checked.
/// </summary>
DoNotSpellCheckTextField = 1 << (23 - 1),
/// <summary>
/// (PDF 1.4) If set, the field will not scroll (horizontally for single-line
/// fields, vertically for multiple-line fields) to accommodate more text
/// than will fit within its annotation rectangle. Once the field is full, no
/// further text will be accepted.
/// </summary>
DoNotScroll = 1 << (24 - 1),
// ----- Specific to choice fields ------------------------------------------------------------
/// <summary>
/// If set, the field is a combo box; if clear, the field is a list box.
/// </summary>
Combo = 1 << (18 - 1),
/// <summary>
/// If set, the combo box includes an editable text box as well as a drop list;
/// if clear, it includes only a drop list. This flag is meaningful only if the
/// Combo flag is set.
/// </summary>
Edit = 1 << (19 - 1),
/// <summary>
/// If set, the field<6C>s option items should be sorted alphabetically. This flag is
/// intended for use by form authoring tools, not by PDF viewer applications;
/// viewers should simply display the options in the order in which they occur
/// in the Opt array.
/// </summary>
Sort = 1 << (20 - 1),
/// <summary>
/// (PDF 1.4) If set, more than one of the field<6C>s option items may be selected
/// simultaneously; if clear, no more than one item at a time may be selected.
/// </summary>
MultiSelect = 1 << (22 - 1),
/// <summary>
/// (PDF 1.4) If set, the text entered in the field will not be spell-checked.
/// This flag is meaningful only if the Combo and Edit flags are both set.
/// </summary>
DoNotSpellCheckChoiseField = 1 << (23 - 1),
}
}