93 lines
4.1 KiB
C#
93 lines
4.1 KiB
C#
|
#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.Security
|
|||
|
{
|
|||
|
/// <summary>
|
|||
|
/// Specifies which operations are permitted when the document is opened with user access.
|
|||
|
/// </summary>
|
|||
|
[Flags]
|
|||
|
internal enum PdfUserAccessPermission
|
|||
|
{
|
|||
|
/// <summary>
|
|||
|
/// Permits everything. This is the default value.
|
|||
|
/// </summary>
|
|||
|
PermitAll = -3, // = 0xFFFFFFFC,
|
|||
|
|
|||
|
// Bit 1<>2 Reserved; must be 0.
|
|||
|
|
|||
|
// Bit 3 (Revision 2) Print the document.
|
|||
|
// (Revision 3 or greater) Print the document (possibly not at the highest
|
|||
|
// quality level, depending on whether bit 12 is also set).
|
|||
|
PermitPrint = 0x00000004, //1 << (3 - 1),
|
|||
|
|
|||
|
// Bit 4 Modify the contents of the document by operations other than
|
|||
|
// those controlled by bits 6, 9, and 11.
|
|||
|
PermitModifyDocument = 0x00000008, //1 << (4 - 1),
|
|||
|
|
|||
|
// Bit 5 (Revision 2) Copy or otherwise extract text and graphics from the
|
|||
|
// document, including extracting text and graphics (in support of accessibility
|
|||
|
// to users with disabilities or for other purposes).
|
|||
|
// (Revision 3 or greater) Copy or otherwise extract text and graphics
|
|||
|
// from the document by operations other than that controlled by bit 10.
|
|||
|
PermitExtractContent = 0x00000010, //1 << (5 - 1),
|
|||
|
|
|||
|
// Bit 6 Add or modify text annotations, fill in interactive form fields, and,
|
|||
|
// if bit 4 is also set, create or modify interactive form fields (including
|
|||
|
// signature fields).
|
|||
|
PermitAnnotations = 0x00000020, //1 << (6 - 1),
|
|||
|
|
|||
|
// Bit 7<>8 Reserved; must be 1.
|
|||
|
|
|||
|
// 9 (Revision 3 or greater) Fill in existing interactive form fields (including
|
|||
|
// signature fields), even if bit 6 is clear.
|
|||
|
PermitFormsFill = 0x00000100, //1 << (9 - 1),
|
|||
|
|
|||
|
// Bit 10 (Revision 3 or greater) Extract text and graphics (in support of accessibility
|
|||
|
// to users with disabilities or for other purposes).
|
|||
|
PermitAccessibilityExtractContent = 0x00000200, //1 << (10 - 1),
|
|||
|
|
|||
|
// Bit 11 (Revision 3 or greater) Assemble the document (insert, rotate, or delete
|
|||
|
// pages and create bookmarks or thumbnail images), even if bit 4
|
|||
|
// is clear.
|
|||
|
PermitAssembleDocument = 0x00000400, //1 << (11 - 1),
|
|||
|
|
|||
|
// Bit 12 (Revision 3 or greater) Print the document to a representation from
|
|||
|
// which a faithful digital copy of the PDF content could be generated.
|
|||
|
// When this bit is clear (and bit 3 is set), printing is limited to a lowlevel
|
|||
|
// representation of the appearance, possibly of degraded quality.
|
|||
|
// (See implementation note 24 in Appendix H.)
|
|||
|
PermitFullQualityPrint = 0x00000800, //1 << (12 - 1),
|
|||
|
|
|||
|
//Bit 13<31>32 (Revision 3 or greater) Reserved; must be 1.
|
|||
|
}
|
|||
|
}
|