93 lines
4.1 KiB
C#
93 lines
4.1 KiB
C#
#region PDFsharp - A .NET library for processing PDF
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//
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// Authors:
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// Stefan Lange
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//
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// Copyright (c) 2005-2017 empira Software GmbH, Cologne Area (Germany)
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//
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// http://www.pdfsharp.com
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// http://sourceforge.net/projects/pdfsharp
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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#endregion
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using System;
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namespace PdfSharp.Pdf.Security
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{
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/// <summary>
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/// Specifies which operations are permitted when the document is opened with user access.
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/// </summary>
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[Flags]
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internal enum PdfUserAccessPermission
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{
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/// <summary>
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/// Permits everything. This is the default value.
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/// </summary>
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PermitAll = -3, // = 0xFFFFFFFC,
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// Bit 1–2 Reserved; must be 0.
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// Bit 3 (Revision 2) Print the document.
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// (Revision 3 or greater) Print the document (possibly not at the highest
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// quality level, depending on whether bit 12 is also set).
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PermitPrint = 0x00000004, //1 << (3 - 1),
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// Bit 4 Modify the contents of the document by operations other than
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// those controlled by bits 6, 9, and 11.
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PermitModifyDocument = 0x00000008, //1 << (4 - 1),
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// Bit 5 (Revision 2) Copy or otherwise extract text and graphics from the
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// document, including extracting text and graphics (in support of accessibility
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// to users with disabilities or for other purposes).
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// (Revision 3 or greater) Copy or otherwise extract text and graphics
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// from the document by operations other than that controlled by bit 10.
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PermitExtractContent = 0x00000010, //1 << (5 - 1),
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// Bit 6 Add or modify text annotations, fill in interactive form fields, and,
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// if bit 4 is also set, create or modify interactive form fields (including
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// signature fields).
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PermitAnnotations = 0x00000020, //1 << (6 - 1),
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// Bit 7–8 Reserved; must be 1.
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// 9 (Revision 3 or greater) Fill in existing interactive form fields (including
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// signature fields), even if bit 6 is clear.
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PermitFormsFill = 0x00000100, //1 << (9 - 1),
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// Bit 10 (Revision 3 or greater) Extract text and graphics (in support of accessibility
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// to users with disabilities or for other purposes).
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PermitAccessibilityExtractContent = 0x00000200, //1 << (10 - 1),
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// Bit 11 (Revision 3 or greater) Assemble the document (insert, rotate, or delete
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// pages and create bookmarks or thumbnail images), even if bit 4
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// is clear.
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PermitAssembleDocument = 0x00000400, //1 << (11 - 1),
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// Bit 12 (Revision 3 or greater) Print the document to a representation from
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// which a faithful digital copy of the PDF content could be generated.
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// When this bit is clear (and bit 3 is set), printing is limited to a lowlevel
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// representation of the appearance, possibly of degraded quality.
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// (See implementation note 24 in Appendix H.)
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PermitFullQualityPrint = 0x00000800, //1 << (12 - 1),
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//Bit 13–32 (Revision 3 or greater) Reserved; must be 1.
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}
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}
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