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.PdfSharpCore.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.IO;
+
+namespace PdfSharpCore.Fonts
+{
+    /// <summary>
+    /// Represents a writer for generation of font file streams. 
+    /// </summary>
+    internal class FontWriter
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="FontWriter"/> class.
+        /// Data is written in Motorola format (big-endian).
+        /// </summary>
+        public FontWriter(Stream stream)
+        {
+            _stream = stream;
+        }
+
+        /// <summary>
+        /// Closes the writer and, if specified, the underlying stream.
+        /// </summary>
+        public void Close(bool closeUnderlyingStream)
+        {
+            if (_stream != null && closeUnderlyingStream)
+            {
+                _stream.Dispose();
+            }
+            _stream = null;
+        }
+
+        /// <summary>
+        /// Closes the writer and the underlying stream.
+        /// </summary>
+        public void Close()
+        {
+            Close(true);
+        }
+
+        /// <summary>
+        /// Gets or sets the position within the stream.
+        /// </summary>
+        public int Position
+        {
+            get { return (int)_stream.Position; }
+            set { _stream.Position = value; }
+        }
+
+        /// <summary>
+        /// Writes the specified value to the font stream.
+        /// </summary>
+        public void WriteByte(byte value)
+        {
+            _stream.WriteByte(value);
+        }
+
+        /// <summary>
+        /// Writes the specified value to the font stream.
+        /// </summary>
+        public void WriteByte(int value)
+        {
+            _stream.WriteByte((byte)value);
+        }
+
+        /// <summary>
+        /// Writes the specified value to the font stream using big-endian.
+        /// </summary>
+        public void WriteShort(short value)
+        {
+            _stream.WriteByte((byte)(value >> 8));
+            _stream.WriteByte((byte)value);
+        }
+
+        /// <summary>
+        /// Writes the specified value to the font stream using big-endian.
+        /// </summary>
+        public void WriteShort(int value)
+        {
+            WriteShort((short)value);
+        }
+
+        /// <summary>
+        /// Writes the specified value to the font stream using big-endian.
+        /// </summary>
+        public void WriteUShort(ushort value)
+        {
+            _stream.WriteByte((byte)(value >> 8));
+            _stream.WriteByte((byte)value);
+        }
+
+        /// <summary>
+        /// Writes the specified value to the font stream using big-endian.
+        /// </summary>
+        public void WriteUShort(int value)
+        {
+            WriteUShort((ushort)value);
+        }
+
+        /// <summary>
+        /// Writes the specified value to the font stream using big-endian.
+        /// </summary>
+        public void WriteInt(int value)
+        {
+            _stream.WriteByte((byte)(value >> 24));
+            _stream.WriteByte((byte)(value >> 16));
+            _stream.WriteByte((byte)(value >> 8));
+            _stream.WriteByte((byte)value);
+        }
+
+        /// <summary>
+        /// Writes the specified value to the font stream using big-endian.
+        /// </summary>
+        public void WriteUInt(uint value)
+        {
+            _stream.WriteByte((byte)(value >> 24));
+            _stream.WriteByte((byte)(value >> 16));
+            _stream.WriteByte((byte)(value >> 8));
+            _stream.WriteByte((byte)value);
+        }
+
+        //public short ReadFWord()
+        //public ushort ReadUFWord()
+        //public long ReadLongDate()
+        //public string ReadString(int size)
+
+        public void Write(byte[] buffer)
+        {
+            _stream.Write(buffer, 0, buffer.Length);
+        }
+
+        public void Write(byte[] buffer, int offset, int count)
+        {
+            _stream.Write(buffer, offset, count);
+        }
+
+        /// <summary>
+        /// Gets the underlying stream.
+        /// </summary>
+        internal Stream Stream
+        {
+            get { return _stream; }
+        }
+        Stream _stream;
+    }
+}