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#region PDFsharp - A .NET library for processing PDF
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// Stefan Lange (mailto:Stefan.Lange@pdfsharp.com)
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// Copyright (c) 2005-2008 empira Software GmbH, Cologne (Germany)
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// http://www.pdfsharp.com
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// http://sourceforge.net/projects/pdfsharp
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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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// 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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// 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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using System.Globalization;
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using System.Diagnostics;
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using System.Collections;
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using PdfSharp.Internal;
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using PdfSharp.Drawing;
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using PdfSharp.Pdf.IO;
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using PdfSharp.Pdf.Internal;
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namespace PdfSharp.Pdf.Annotations
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/// Represents a text annotation.
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internal sealed class PdfWidgetAnnotation : PdfAnnotation
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public PdfWidgetAnnotation()
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public PdfWidgetAnnotation(PdfDocument document)
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Elements.SetName(Keys.Subtype, "/Widget");
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/// Predefined keys of this dictionary.
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internal new class Keys : PdfAnnotation.Keys
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/// (Optional) The annotation�s highlighting mode, the visual effect to be used when
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/// the mouse button is pressed or held down inside its active area:
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/// N (None) No highlighting.
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/// I (Invert) Invert the contents of the annotation rectangle.
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/// O (Outline) Invert the annotation�s border.
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/// P (Push) Display the annotation�s down appearance, if any. If no down appearance is defined,
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/// offset the contents of the annotation rectangle to appear as if it were being pushed below
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/// the surface of the page.
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/// T (Toggle) Same as P (which is preferred).
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/// A highlighting mode other than P overrides any down appearance defined for the annotation.
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[KeyInfo(KeyType.Name | KeyType.Optional)]
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public const string H = "/H";
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/// (Optional) An appearance characteristics dictionary to be used in constructing a dynamic
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/// appearance stream specifying the annotation�s visual presentation on the page.
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/// The name MK for this entry is of historical significance only and has no direct meaning.
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[KeyInfo(KeyType.Dictionary | KeyType.Optional)]
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public const string MK = "/MK";
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public static DictionaryMeta Meta
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if (Keys.meta == null)
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Keys.meta = CreateMeta(typeof(Keys));
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static DictionaryMeta meta;
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/// Gets the KeysMeta of this dictionary type.
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internal override DictionaryMeta Meta
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get { return Keys.Meta; }