64 lines
2.6 KiB
C#
64 lines
2.6 KiB
C#
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#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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namespace PdfSharp.Pdf.IO
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{
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/// <summary>
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/// Determines how a PDF document is opened.
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/// </summary>
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public enum PdfDocumentOpenMode
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{
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/// <summary>
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/// The PDF stream is completely read into memory and can be modified. Pages can be deleted or
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/// inserted, but it is not possible to extract pages. This mode is useful for modifying an
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/// existing PDF document.
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/// </summary>
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Modify,
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/// <summary>
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/// The PDF stream is opened for importing pages from it. A document opened in this mode cannot
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/// be modified.
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/// </summary>
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Import,
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/// <summary>
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/// The PDF stream is completely read into memory, but cannot be modified. This mode preserves the
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/// original internal structure of the document and is useful for analyzing existing PDF files.
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/// </summary>
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ReadOnly,
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/// <summary>
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/// The PDF stream is partially read for information purposes only. The only valid operation is to
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/// call the Info property at the imported document. This option is very fast and needs less memory
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/// and is e.g. useful for browsing information about a collection of PDF documents in a user interface.
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/// </summary>
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InformationOnly, // TODO: not yet implemented
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}
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}
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