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.Pdf
+{
+    /// <summary>
+    /// Represents the PDF document information dictionary.
+    /// </summary>
+    public sealed class PdfDocumentInformation : PdfDictionary
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="PdfDocumentInformation"/> class.
+        /// </summary>
+        public PdfDocumentInformation(PdfDocument document)
+            : base(document)
+        { }
+
+        internal PdfDocumentInformation(PdfDictionary dict)
+            : base(dict)
+        { }
+
+        /// <summary>
+        /// Gets or sets the document's title.
+        /// </summary>
+        public string Title
+        {
+            get { return Elements.GetString(Keys.Title); }
+            set { Elements.SetString(Keys.Title, value, PdfStringEncoding.Unicode); }
+        }
+
+        /// <summary>
+        /// Gets or sets the name of the person who created the document.
+        /// </summary>
+        public string Author
+        {
+            get { return Elements.GetString(Keys.Author); }
+            set { Elements.SetString(Keys.Author, value, PdfStringEncoding.Unicode); }
+        }
+
+        /// <summary>
+        /// Gets or sets the name of the subject of the document.
+        /// </summary>
+        public string Subject
+        {
+            get { return Elements.GetString(Keys.Subject); }
+            set { Elements.SetString(Keys.Subject, value, PdfStringEncoding.Unicode); }
+        }
+
+        /// <summary>
+        /// Gets or sets keywords associated with the document.
+        /// </summary>
+        public string Keywords
+        {
+            get { return Elements.GetString(Keys.Keywords); }
+            set { Elements.SetString(Keys.Keywords, value, PdfStringEncoding.Unicode); }
+        }
+
+        /// <summary>
+        /// Gets or sets the name of the application (for example, MigraDoc) that created the document.
+        /// </summary>
+        public string Creator
+        {
+            get { return Elements.GetString(Keys.Creator); }
+            set { Elements.SetString(Keys.Creator, value, PdfStringEncoding.Unicode); }
+        }
+
+        /// <summary>
+        /// Gets the producer application (for example, PDFsharp).
+        /// </summary>
+        public string Producer
+        {
+            get { return Elements.GetString(Keys.Producer); }
+        }
+
+        /// <summary>
+        /// Gets or sets the creation date of the document.
+        /// Breaking Change: If the date is not set in a PDF file DateTime.MinValue is returned.
+        /// </summary>
+        public DateTime CreationDate
+        {
+            get { return Elements.GetDateTime(Keys.CreationDate, DateTime.MinValue); }
+            set { Elements.SetDateTime(Keys.CreationDate, value); }
+        }
+
+        /// <summary>
+        /// Gets or sets the modification date of the document.
+        /// Breaking Change: If the date is not set in a PDF file DateTime.MinValue is returned.
+        /// </summary>
+        public DateTime ModificationDate
+        {
+            get { return Elements.GetDateTime(Keys.ModDate, DateTime.MinValue); }
+            set { Elements.SetDateTime(Keys.ModDate, value); }
+        }
+
+        // TODO CustomProperties and meta data
+
+        /// <summary>
+        /// Predefined keys of this dictionary.
+        /// </summary>
+        internal sealed class Keys : KeysBase
+        {
+            /// <summary>
+            /// (Optional; PDF 1.1) The document’s title.
+            /// </summary>
+            [KeyInfo(KeyType.String | KeyType.Optional)]
+            public const string Title = "/Title";
+
+            /// <summary>
+            /// (Optional) The name of the person who created the document.
+            /// </summary>
+            [KeyInfo(KeyType.String | KeyType.Optional)]
+            public const string Author = "/Author";
+
+            /// <summary>
+            /// (Optional; PDF 1.1) The subject of the document.
+            /// </summary>
+            [KeyInfo(KeyType.String | KeyType.Optional)]
+            public const string Subject = "/Subject";
+
+            /// <summary>
+            /// (Optional; PDF 1.1) Keywords associated with the document.
+            /// </summary>
+            [KeyInfo(KeyType.String | KeyType.Optional)]
+            public const string Keywords = "/Keywords";
+
+            /// <summary>
+            /// (Optional) If the document was converted to PDF from another format,
+            /// the name of the application (for example, empira MigraDoc) that created the
+            /// original document from which it was converted.
+            /// </summary>
+            [KeyInfo(KeyType.String | KeyType.Optional)]
+            public const string Creator = "/Creator";
+
+            /// <summary>
+            /// (Optional) If the document was converted to PDF from another format,
+            /// the name of the application (for example, this library) that converted it to PDF.
+            /// </summary>
+            [KeyInfo(KeyType.String | KeyType.Optional)]
+            public const string Producer = "/Producer";
+
+            /// <summary>
+            /// (Optional) The date and time the document was created, in human-readable form.
+            /// </summary>
+            [KeyInfo(KeyType.Date | KeyType.Optional)]
+            public const string CreationDate = "/CreationDate";
+
+            /// <summary>
+            /// (Required if PieceInfo is present in the document catalog; otherwise optional; PDF 1.1)
+            /// The date and time the document was most recently modified, in human-readable form.
+            /// </summary>
+            [KeyInfo(KeyType.String | KeyType.Optional)]
+            public const string ModDate = "/ModDate";
+
+            /// <summary>
+            /// (Optional; PDF 1.3) A name object indicating whether the document has been modified 
+            /// to include trapping information.
+            /// </summary>
+            [KeyInfo("1.3", KeyType.Name | KeyType.Optional)]
+            public const string Trapped = "/Trapped";
+
+            /// <summary>
+            /// Gets the KeysMeta for these keys.
+            /// </summary>
+            public static DictionaryMeta Meta
+            {
+                get { return _meta ?? (_meta = CreateMeta(typeof(Keys))); }
+            }
+            static DictionaryMeta _meta;
+        }
+
+        /// <summary>
+        /// Gets the KeysMeta of this dictionary type.
+        /// </summary>
+        internal override DictionaryMeta Meta
+        {
+            get { return Keys.Meta; }
+        }
+    }
+}