82 lines
3.2 KiB
C#
82 lines
3.2 KiB
C#
#region PDFsharp - A .NET library for processing PDF
|
||
//
|
||
// Authors:
|
||
// Stefan Lange
|
||
//
|
||
// Copyright (c) 2005-2016 empira Software GmbH, Cologne Area (Germany)
|
||
//
|
||
// http://www.PdfSharpCore.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 PdfSharpCore.Pdf.Advanced
|
||
{
|
||
/// <summary>
|
||
/// Represents a PDF group XObject.
|
||
/// </summary>
|
||
public abstract class PdfGroupAttributes : PdfDictionary
|
||
{
|
||
internal PdfGroupAttributes(PdfDocument thisDocument)
|
||
: base(thisDocument)
|
||
{
|
||
Elements.SetName(Keys.Type, "/Group");
|
||
}
|
||
|
||
/// <summary>
|
||
/// Predefined keys of this dictionary.
|
||
/// </summary>
|
||
public class Keys : KeysBase
|
||
{
|
||
/// <summary>
|
||
///(Optional) The type of PDF object that this dictionary describes;
|
||
///if present, must be Group for a group attributes dictionary.
|
||
/// </summary>
|
||
[KeyInfo(KeyType.Name | KeyType.Optional)]
|
||
public const string Type = "/Type";
|
||
|
||
/// <summary>
|
||
/// (Required) The group subtype, which identifies the type of group whose
|
||
/// attributes this dictionary describes and determines the format and meaning
|
||
/// of the dictionary’s remaining entries. The only group subtype defined in
|
||
/// PDF 1.4 is Transparency. Other group subtypes may be added in the future.
|
||
/// </summary>
|
||
[KeyInfo(KeyType.Name | KeyType.Required)]
|
||
public const string S = "/S";
|
||
|
||
/// <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; }
|
||
}
|
||
}
|
||
} |