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