308 lines
14 KiB
C#
308 lines
14 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
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{
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/// <summary>
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/// Represents the PDF document viewer preferences dictionary.
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/// </summary>
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public sealed class PdfViewerPreferences : PdfDictionary
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{
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internal PdfViewerPreferences(PdfDocument document)
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: base(document)
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{ }
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/// <summary>
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/// Initializes a new instance of the <see cref="PdfViewerPreferences"/> class.
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/// </summary>
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PdfViewerPreferences(PdfDictionary dict)
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: base(dict)
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{ }
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/// <summary>
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/// Gets or sets a value indicating whether to hide the viewer application<6F>s tool
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/// bars when the document is active.
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/// </summary>
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public bool HideToolbar
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{
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get { return Elements.GetBoolean(Keys.HideToolbar); }
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set { Elements.SetBoolean(Keys.HideToolbar, value); }
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}
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/// <summary>
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/// Gets or sets a value indicating whether to hide the viewer application<6F>s
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/// menu bar when the document is active.
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/// </summary>
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public bool HideMenubar
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{
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get { return Elements.GetBoolean(Keys.HideMenubar); }
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set { Elements.SetBoolean(Keys.HideMenubar, value); }
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}
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/// <summary>
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/// Gets or sets a value indicating whether to hide user interface elements in
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/// the document<6E>s window (such as scroll bars and navigation controls),
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/// leaving only the document<6E>s contents displayed.
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/// </summary>
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public bool HideWindowUI
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{
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get { return Elements.GetBoolean(Keys.HideWindowUI); }
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set { Elements.SetBoolean(Keys.HideWindowUI, value); }
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}
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/// <summary>
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/// Gets or sets a value indicating whether to resize the document<6E>s window to
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/// fit the size of the first displayed page.
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/// </summary>
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public bool FitWindow
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{
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get { return Elements.GetBoolean(Keys.FitWindow); }
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set { Elements.SetBoolean(Keys.FitWindow, value); }
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}
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/// <summary>
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/// Gets or sets a value indicating whether to position the document<6E>s window
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/// in the center of the screen.
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/// </summary>
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public bool CenterWindow
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{
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get { return Elements.GetBoolean(Keys.CenterWindow); }
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set { Elements.SetBoolean(Keys.CenterWindow, value); }
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}
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/// <summary>
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/// Gets or sets a value indicating whether the window<6F>s title bar
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/// should display the document title taken from the Title entry of the document
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/// information dictionary. If false, the title bar should instead display the name
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/// of the PDF file containing the document.
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/// </summary>
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public bool DisplayDocTitle
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{
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get { return Elements.GetBoolean(Keys.DisplayDocTitle); }
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set { Elements.SetBoolean(Keys.DisplayDocTitle, value); }
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}
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/// <summary>
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/// The predominant reading order for text: LeftToRight or RightToLeft
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/// (including vertical writing systems, such as Chinese, Japanese, and Korean).
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/// This entry has no direct effect on the document<6E>s contents or page numbering
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/// but can be used to determine the relative positioning of pages when displayed
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/// side by side or printed n-up. Default value: LeftToRight.
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/// </summary>
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public PdfReadingDirection? Direction
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{
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get
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{
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switch (Elements.GetName(Keys.Direction))
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{
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case "L2R":
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return PdfReadingDirection.LeftToRight;
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case "R2L":
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return PdfReadingDirection.RightToLeft;
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}
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return null;
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}
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set
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{
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if (value.HasValue)
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{
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switch (value.Value)
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{
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case PdfReadingDirection.RightToLeft:
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Elements.SetName(Keys.Direction, "R2L");
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break;
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default:
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Elements.SetName(Keys.Direction, "L2R");
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break;
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}
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}
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else
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Elements.Remove(Keys.Direction);
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}
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}
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/// <summary>
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/// Predefined keys of this dictionary.
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/// </summary>
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internal sealed class Keys : KeysBase
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{
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/// <summary>
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/// (Optional) A flag specifying whether to hide the viewer application<6F>s tool
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/// bars when the document is active. Default value: false.
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/// </summary>
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[KeyInfo(KeyType.Boolean | KeyType.Optional)]
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public const string HideToolbar = "/HideToolbar";
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/// <summary>
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/// (Optional) A flag specifying whether to hide the viewer application<6F>s
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/// menu bar when the document is active. Default value: false.
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/// </summary>
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[KeyInfo(KeyType.Boolean | KeyType.Optional)]
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public const string HideMenubar = "/HideMenubar";
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/// <summary>
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/// (Optional) A flag specifying whether to hide user interface elements in
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/// the document<6E>s window (such as scroll bars and navigation controls),
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/// leaving only the document<6E>s contents displayed. Default value: false.
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/// </summary>
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[KeyInfo(KeyType.Boolean | KeyType.Optional)]
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public const string HideWindowUI = "/HideWindowUI";
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/// <summary>
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/// (Optional) A flag specifying whether to resize the document<6E>s window to
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/// fit the size of the first displayed page. Default value: false.
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/// </summary>
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[KeyInfo(KeyType.Boolean | KeyType.Optional)]
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public const string FitWindow = "/FitWindow";
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/// <summary>
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/// (Optional) A flag specifying whether to position the document<6E>s window
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/// in the center of the screen. Default value: false.
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/// </summary>
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[KeyInfo(KeyType.Boolean | KeyType.Optional)]
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public const string CenterWindow = "/CenterWindow";
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/// <summary>
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/// (Optional; PDF 1.4) A flag specifying whether the window<6F>s title bar
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/// should display the document title taken from the Title entry of the document
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/// information dictionary. If false, the title bar should instead display the name
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/// of the PDF file containing the document. Default value: false.
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/// </summary>
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[KeyInfo(KeyType.Boolean | KeyType.Optional)]
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public const string DisplayDocTitle = "/DisplayDocTitle";
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/// <summary>
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/// (Optional) The document<6E>s page mode, specifying how to display the document on
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/// exiting full-screen mode:
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/// UseNone Neither document outline nor thumbnail images visible
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/// UseOutlines Document outline visible
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/// UseThumbs Thumbnail images visible
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/// UseOC Optional content group panel visible
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/// This entry is meaningful only if the value of the PageMode entry in the catalog
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/// dictionary is FullScreen; it is ignored otherwise. Default value: UseNone.
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/// </summary>
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[KeyInfo(KeyType.Name | KeyType.Optional)]
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public const string NonFullScreenPageMode = "/NonFullScreenPageMode";
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/// <summary>
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/// (Optional; PDF 1.3) The predominant reading order for text:
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/// L2R Left to right
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/// R2L Right to left (including vertical writing systems, such as Chinese, Japanese, and Korean)
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/// This entry has no direct effect on the document<6E>s contents or page numbering
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/// but can be used to determine the relative positioning of pages when displayed
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/// side by side or printed n-up. Default value: L2R.
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/// </summary>
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[KeyInfo(KeyType.Name | KeyType.Optional)]
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public const string Direction = "/Direction";
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/// <summary>
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/// (Optional; PDF 1.4) The name of the page boundary representing the area of a page
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/// to be displayed when viewing the document on the screen. The value is the key
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/// designating the relevant page boundary in the page object. If the specified page
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/// boundary is not defined in the page object, its default value is used.
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/// Default value: CropBox.
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/// Note: This entry is intended primarily for use by prepress applications that
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/// interpret or manipulate the page boundaries as described in Section 10.10.1, <20>Page Boundaries.<2E>
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/// Most PDF consumer applications disregard it.
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/// </summary>
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[KeyInfo(KeyType.Name | KeyType.Optional)]
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public const string ViewArea = "/ViewArea";
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/// <summary>
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/// (Optional; PDF 1.4) The name of the page boundary to which the contents of a page
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/// are to be clipped when viewing the document on the screen. The value is the key
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/// designating the relevant page boundary in the page object. If the specified page
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/// boundary is not defined in the page object, its default value is used.
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/// Default value: CropBox.
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/// Note: This entry is intended primarily for use by prepress applications that
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/// interpret or manipulate the page boundaries as described in Section 10.10.1, <20>Page Boundaries.<2E>
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/// Most PDF consumer applications disregard it.
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/// </summary>
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[KeyInfo(KeyType.Name | KeyType.Optional)]
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public const string ViewClip = "/ViewClip";
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/// <summary>
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/// (Optional; PDF 1.4) The name of the page boundary representing the area of a page
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/// to be rendered when printing the document. The value is the key designating the
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/// relevant page boundary in the page object. If the specified page boundary is not
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/// defined in the page object, its default value is used.
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/// Default value: CropBox.
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/// Note: This entry is intended primarily for use by prepress applications that
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/// interpret or manipulate the page boundaries as described in Section 10.10.1, <20>Page Boundaries.<2E>
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/// Most PDF consumer applications disregard it.
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/// </summary>
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[KeyInfo(KeyType.Name | KeyType.Optional)]
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public const string PrintArea = "/PrintArea";
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/// <summary>
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/// (Optional; PDF 1.4) The name of the page boundary to which the contents of a page
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/// are to be clipped when printing the document. The value is the key designating the
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/// relevant page boundary in the page object. If the specified page boundary is not
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/// defined in the page object, its default value is used.
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/// Default value: CropBox.
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/// Note: This entry is intended primarily for use by prepress applications that interpret
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/// or manipulate the page boundaries. Most PDF consumer applications disregard it.
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/// </summary>
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[KeyInfo(KeyType.Name | KeyType.Optional)]
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public const string PrintClip = "/PrintClip";
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/// <summary>
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/// (Optional; PDF 1.6) The page scaling option to be selected when a print dialog is
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/// displayed for this document. Valid values are None, which indicates that the print
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/// dialog should reflect no page scaling, and AppDefault, which indicates that
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/// applications should use the current print scaling. If this entry has an unrecognized
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/// value, applications should use the current print scaling.
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/// Default value: AppDefault.
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/// Note: If the print dialog is suppressed and its parameters are provided directly
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/// by the application, the value of this entry should still be used.
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/// </summary>
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[KeyInfo(KeyType.Name | KeyType.Optional)]
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public const string PrintScaling = "/PrintScaling";
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/// <summary>
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/// Gets the KeysMeta for these keys.
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/// </summary>
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public static DictionaryMeta Meta
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{
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get { return _meta ?? (_meta = CreateMeta(typeof(Keys))); }
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}
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static DictionaryMeta _meta;
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}
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/// <summary>
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/// Gets the KeysMeta of this dictionary type.
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/// </summary>
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internal override DictionaryMeta Meta
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{
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get { return Keys.Meta; }
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}
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}
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}
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