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

102 lines
3.3 KiB
C#

#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;
using System.Collections;
using System.Globalization;
using System.Text;
using System.IO;
using PdfSharp.Drawing;
using PdfSharp.Internal;
using PdfSharp.Pdf.IO;
using PdfSharp.Pdf.Internal;
namespace PdfSharp.Pdf
{
/// <summary>
/// Represents text that is written 'as it is' into the PDF stream. This class can lead to invalid PDF files.
/// E.g. strings in a literal are not encrypted when the document is saved with a password.
/// </summary>
public sealed class PdfLiteral : PdfItem
{
/// <summary>
/// Initializes a new instance of the <see cref="PdfLiteral"/> class.
/// </summary>
public PdfLiteral()
{ }
/// <summary>
/// Initializes a new instance with the specified string.
/// </summary>
public PdfLiteral(string value)
{
_value = value;
}
/// <summary>
/// Initializes a new instance with the culture invariant formatted specified arguments.
/// </summary>
public PdfLiteral(string format, params object[] args)
{
_value = PdfEncoders.Format(format, args);
}
/// <summary>
/// Creates a literal from an XMatrix
/// </summary>
public static PdfLiteral FromMatrix(XMatrix matrix)
{
return new PdfLiteral("[" + PdfEncoders.ToString(matrix) + "]");
}
/// <summary>
/// Gets the value as litaral string.
/// </summary>
public string Value
{
// This class must behave like a value type. Therefore it cannot be changed (like System.String).
get { return _value; }
}
readonly string _value = String.Empty;
/// <summary>
/// Returns a string that represents the current value.
/// </summary>
public override string ToString()
{
return _value;
}
internal override void WriteObject(PdfWriter writer)
{
writer.Write(this);
}
}
}