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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.Diagnostics;
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using System.Globalization;
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using System.Collections;
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using PdfSharp.Internal;
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using PdfSharp.Pdf.IO;
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namespace PdfSharp.Pdf
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/// Represents a direct integer value.
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[DebuggerDisplay("({Value})")]
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public sealed class PdfInteger : PdfNumber, IConvertible
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/// Initializes a new instance of the <see cref="PdfInteger"/> class.
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/// Initializes a new instance of the <see cref="PdfInteger"/> class.
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/// <param name="value">The value.</param>
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public PdfInteger(int value)
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/// Gets the value as integer
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// This class must behave like a value type. Therefore it cannot be changed (like System.String).
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get { return this.value; }
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/// Returns the integer as string.
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public override string ToString()
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return this.value.ToString();
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/// Writes the integer as string.
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internal override void WriteObject(PdfWriter writer)
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#region IConvertible Members
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ulong IConvertible.ToUInt64(IFormatProvider provider)
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return Convert.ToUInt64(this.value);
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sbyte IConvertible.ToSByte(IFormatProvider provider)
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throw new InvalidCastException();
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double IConvertible.ToDouble(IFormatProvider provider)
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DateTime IConvertible.ToDateTime(IFormatProvider provider)
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// TODO: Add PdfInteger.ToDateTime implementation
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return new DateTime();
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float IConvertible.ToSingle(IFormatProvider provider)
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bool IConvertible.ToBoolean(IFormatProvider provider)
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return Convert.ToBoolean(this.value);
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int IConvertible.ToInt32(IFormatProvider provider)
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ushort IConvertible.ToUInt16(IFormatProvider provider)
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return Convert.ToUInt16(this.value);
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short IConvertible.ToInt16(IFormatProvider provider)
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return Convert.ToInt16(this.value);
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string IConvertible.ToString(IFormatProvider provider)
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return value.ToString(provider);
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byte IConvertible.ToByte(IFormatProvider provider)
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return Convert.ToByte(this.value);
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char IConvertible.ToChar(IFormatProvider provider)
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return Convert.ToChar(this.value);
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long IConvertible.ToInt64(IFormatProvider provider)
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/// Returns TypeCode for 32-bit integers.
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public TypeCode GetTypeCode()
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return TypeCode.Int32;
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decimal IConvertible.ToDecimal(IFormatProvider provider)
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object IConvertible.ToType(Type conversionType, IFormatProvider provider)
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// TODO: Add PdfInteger.ToType implementation
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uint IConvertible.ToUInt32(IFormatProvider provider)
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return Convert.ToUInt32(this.value);
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