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#region PDFsharp - A .NET library for processing PDF
//
// Authors:
// Stefan Lange (mailto:Stefan.Lange@pdfsharp.com)
//
// Copyright (c) 2005-2008 empira Software GmbH, Cologne (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;
#if GDI
using System.Drawing;
#endif
#if WPF
using System.Windows;
#endif
using PdfSharp.Drawing;
namespace PdfSharp.Internal
{
/// <summary>
/// Some static helper functions for calculations.
/// </summary>
internal static class Calc
{
/// <summary>
/// Degree to radiant factor.
/// </summary>
public const double Deg2Rad = Math.PI / 180;
/// <summary>
/// Half of pi.
/// </summary>
public const double πHalf = Math.PI / 2;
// α - β κ
/// <summary>
/// Get page size in point from specified PageSize.
/// </summary>
public static XSize PageSizeToSize(PageSize value)
{
switch (value)
{
case PageSize.A0:
return new XSize(2380, 3368);
case PageSize.A1:
return new XSize(1684, 2380);
case PageSize.A2:
return new XSize(1190, 1684);
case PageSize.A3:
return new XSize(842, 1190);
case PageSize.A4:
return new XSize(595, 842);
case PageSize.A5:
return new XSize(420, 595);
case PageSize.B4:
return new XSize(729, 1032);
case PageSize.B5:
return new XSize(516, 729);
// The strange sizes from overseas...
case PageSize.Letter:
return new XSize(612, 792);
case PageSize.Legal:
return new XSize(612, 1008);
case PageSize.Tabloid:
return new XSize(792, 1224);
case PageSize.Ledger:
return new XSize(1224, 792);
case PageSize.Statement:
return new XSize(396, 612);
case PageSize.Executive:
return new XSize(540, 720);
case PageSize.Folio:
return new XSize(612, 936);
case PageSize.Quarto:
return new XSize(610, 780);
case PageSize.Size10x14:
return new XSize(720, 1008);
}
throw new ArgumentException("Invalid PageSize.");
}
}
}
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