ASCU_ALL/PrintPDF/PdfSharp/Pdf/PdfBooleanObject.cs
2021-05-25 17:00:45 +05:00

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#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.Diagnostics;
using PdfSharp.Pdf.IO;
namespace PdfSharp.Pdf
{
/// <summary>
/// Represents an indirect boolean value. This type is not used by PDFsharp. If it is imported from
/// an external PDF file, the value is converted into a direct object.
/// </summary>
[DebuggerDisplay("({Value})")]
public sealed class PdfBooleanObject : PdfObject
{
/// <summary>
/// Initializes a new instance of the <see cref="PdfBooleanObject"/> class.
/// </summary>
public PdfBooleanObject()
{ }
/// <summary>
/// Initializes a new instance of the <see cref="PdfBooleanObject"/> class.
/// </summary>
public PdfBooleanObject(bool value)
{
_value = value;
}
/// <summary>
/// Initializes a new instance of the <see cref="PdfBooleanObject"/> class.
/// </summary>
public PdfBooleanObject(PdfDocument document, bool value)
: base(document)
{
_value = value;
}
/// <summary>
/// Gets the value of this instance as boolean value.
/// </summary>
public bool Value
{
get { return _value; }
//set { _value = value; }
}
readonly bool _value;
/// <summary>
/// Returns "false" or "true".
/// </summary>
public override string ToString()
{
return _value ? bool.TrueString : bool.FalseString;
}
/// <summary>
/// Writes the keyword <20>false<73> or <20>true<75>.
/// </summary>
internal override void WriteObject(PdfWriter writer)
{
writer.WriteBeginObject(this);
writer.Write(_value);
writer.WriteEndObject();
}
}
}