vendor: import KillerPDF 1.7.5 source (GPL-3.0) as the base for MMD PDF

2026-08-27 06:58:22 +02:00
commit 532485a830
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+#region PDFsharp - A .NET library for processing PDF
+//
+// Authors:
+//   Stefan Lange
+//
+// Copyright (c) 2005-2016 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;
+
+namespace PdfSharpCore
+{
+    /// <summary>
+    /// Floating point formatting.
+    /// </summary>
+    static class Config
+    {
+        public const string SignificantFigures2 = "0.##";
+        public const string SignificantFigures3 = "0.###";
+        public const string SignificantFigures4 = "0.####";
+        public const string SignificantFigures7 = "0.#######";
+        public const string SignificantFigures10 = "0.##########";
+        public const string SignificantFigures1Plus9 = "0.0#########";
+    }
+
+    static class Const
+    {
+        /// <summary>
+        /// Factor to convert from degree to radian measure.
+        /// </summary>
+        public const double Deg2Rad = Math.PI / 180;  // = 0.017453292519943295
+
+        /// <summary>
+        /// Sinus of the angle to turn a regular font to look oblique. Used for italic simulation.
+        /// </summary>
+        public const double ItalicSkewAngleSinus = 0.34202014332566873304409961468226;  // = sin(20°)
+
+        /// <summary>
+        /// Factor of the em size of a regular font to look bold. Used for bold simulation.
+        /// Value of 2% found in original XPS 1.0 documentation.
+        /// </summary>
+        public const double BoldEmphasis = 0.02;
+
+        // The κ (kappa) for drawing a circle or an ellipse with four Bézier splines, specifying the distance of the influence point from the starting or end point of a spline.
+        // Petzold: 4/3 * tan(α / 4)
+        public const double κ = 0.5522847498307933984022516322796;  // := 4/3 * (1 - cos(-π/4)) / sin(π/4)) <=> 4/3 * (sqrt(2) - 1) <=> 4/3 * tan(π/8)
+    }
+}
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+// Included in .net 5 and later
+#if !NET5_0_OR_GREATER
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+namespace System.Diagnostics.CodeAnalysis
+{
+    /// <summary>
+    /// Specifies the types of members that are dynamically accessed.
+    ///
+    /// This enumeration has a <see cref="FlagsAttribute"/> attribute that allows a
+    /// bitwise combination of its member values.
+    /// </summary>
+    [Flags]
+#if SYSTEM_PRIVATE_CORELIB
+    public
+#else
+    internal
+#endif
+    enum DynamicallyAccessedMemberTypes
+    {
+        /// <summary>
+        /// Specifies no members.
+        /// </summary>
+        None = 0,
+
+        /// <summary>
+        /// Specifies the default, parameterless public constructor.
+        /// </summary>
+        PublicParameterlessConstructor = 0x0001,
+
+        /// <summary>
+        /// Specifies all public constructors.
+        /// </summary>
+        PublicConstructors = 0x0002 | PublicParameterlessConstructor,
+
+        /// <summary>
+        /// Specifies all non-public constructors.
+        /// </summary>
+        NonPublicConstructors = 0x0004,
+
+        /// <summary>
+        /// Specifies all public methods.
+        /// </summary>
+        PublicMethods = 0x0008,
+
+        /// <summary>
+        /// Specifies all non-public methods.
+        /// </summary>
+        NonPublicMethods = 0x0010,
+
+        /// <summary>
+        /// Specifies all public fields.
+        /// </summary>
+        PublicFields = 0x0020,
+
+        /// <summary>
+        /// Specifies all non-public fields.
+        /// </summary>
+        NonPublicFields = 0x0040,
+
+        /// <summary>
+        /// Specifies all public nested types.
+        /// </summary>
+        PublicNestedTypes = 0x0080,
+
+        /// <summary>
+        /// Specifies all non-public nested types.
+        /// </summary>
+        NonPublicNestedTypes = 0x0100,
+
+        /// <summary>
+        /// Specifies all public properties.
+        /// </summary>
+        PublicProperties = 0x0200,
+
+        /// <summary>
+        /// Specifies all non-public properties.
+        /// </summary>
+        NonPublicProperties = 0x0400,
+
+        /// <summary>
+        /// Specifies all public events.
+        /// </summary>
+        PublicEvents = 0x0800,
+
+        /// <summary>
+        /// Specifies all non-public events.
+        /// </summary>
+        NonPublicEvents = 0x1000,
+
+        /// <summary>
+        /// Specifies all interfaces implemented by the type.
+        /// </summary>
+        Interfaces = 0x2000,
+
+        /// <summary>
+        /// Specifies all members.
+        /// </summary>
+        All = ~None
+    }
+}
+#endif
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+// Included in .net 5 and later
+#if !NET5_0_OR_GREATER
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+namespace System.Diagnostics.CodeAnalysis
+{
+    /// <summary>
+    /// Indicates that certain members on a specified <see cref="Type"/> are accessed dynamically,
+    /// for example through <see cref="System.Reflection"/>.
+    /// </summary>
+    /// <remarks>
+    /// This allows tools to understand which members are being accessed during the execution
+    /// of a program.
+    ///
+    /// This attribute is valid on members whose type is <see cref="Type"/> or <see cref="string"/>.
+    ///
+    /// When this attribute is applied to a location of type <see cref="string"/>, the assumption is
+    /// that the string represents a fully qualified type name.
+    ///
+    /// When this attribute is applied to a class, interface, or struct, the members specified
+    /// can be accessed dynamically on <see cref="Type"/> instances returned from calling
+    /// <see cref="object.GetType"/> on instances of that class, interface, or struct.
+    ///
+    /// If the attribute is applied to a method it's treated as a special case and it implies
+    /// the attribute should be applied to the "this" parameter of the method. As such the attribute
+    /// should only be used on instance methods of types assignable to System.Type (or string, but no methods
+    /// will use it there).
+    /// </remarks>
+    [AttributeUsage(
+        AttributeTargets.Field | AttributeTargets.ReturnValue | AttributeTargets.GenericParameter |
+        AttributeTargets.Parameter | AttributeTargets.Property | AttributeTargets.Method |
+        AttributeTargets.Class | AttributeTargets.Interface | AttributeTargets.Struct,
+        Inherited = false)]
+#if SYSTEM_PRIVATE_CORELIB
+    public
+#else
+    internal
+#endif
+    sealed class DynamicallyAccessedMembersAttribute : Attribute
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="DynamicallyAccessedMembersAttribute"/> class
+        /// with the specified member types.
+        /// </summary>
+        /// <param name="memberTypes">The types of members dynamically accessed.</param>
+        public DynamicallyAccessedMembersAttribute(DynamicallyAccessedMemberTypes memberTypes)
+        {
+            MemberTypes = memberTypes;
+        }
+
+        /// <summary>
+        /// Gets the <see cref="DynamicallyAccessedMemberTypes"/> which specifies the type
+        /// of members dynamically accessed.
+        /// </summary>
+        public DynamicallyAccessedMemberTypes MemberTypes { get; }
+    }
+}
+#endif