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:
+//   David Stephensen
+//   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.Drawing.BarCodes
+{
+    /// <summary>
+    /// Represents the base class of all 2D codes.
+    /// </summary>
+    public abstract class MatrixCode : CodeBase
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="MatrixCode"/> class.
+        /// </summary>
+        public MatrixCode(string text, string encoding, int rows, int columns, XSize size)
+            : base(text, size, CodeDirection.LeftToRight)
+        {
+            _encoding = encoding;
+            if (String.IsNullOrEmpty(_encoding))
+                _encoding = new String('a', Text.Length);
+
+            if (columns < rows)
+            {
+                _rows = columns;
+                _columns = rows;
+            }
+            else
+            {
+                _columns = columns;
+                _rows = rows;
+            }
+
+            Text = text;
+        }
+
+        /// <summary>
+        /// Gets or sets the encoding. docDaSt
+        /// </summary>
+        public string Encoding
+        {
+            get { return _encoding; }
+            set
+            {
+                _encoding = value;
+                _matrixImage = null;
+            }
+        }
+        string _encoding;
+
+        /// <summary>
+        /// docDaSt
+        /// </summary>
+        public int Columns
+        {
+            get { return _columns; }
+            set
+            {
+                _columns = value;
+                _matrixImage = null;
+            }
+        }
+        int _columns;
+
+        /// <summary>
+        /// docDaSt
+        /// </summary>
+        public int Rows
+        {
+            get { return _rows; }
+            set
+            {
+                _rows = value;
+                _matrixImage = null;
+            }
+        }
+        int _rows;
+
+        /// <summary>
+        /// docDaSt
+        /// </summary>
+        public new string Text
+        {
+            get { return base.Text; }
+            set
+            {
+                base.Text = value;
+                _matrixImage = null;
+            }
+        }
+
+        internal XImage MatrixImage
+        {
+            get { return _matrixImage; }
+            set { _matrixImage = value; }
+        }
+        XImage _matrixImage;
+
+        /// <summary>
+        /// When implemented in a derived class renders the 2D code.
+        /// </summary>
+        protected internal abstract void Render(XGraphics gfx, XBrush brush, XPoint center);
+
+        /// <summary>
+        /// Determines whether the specified string can be used as Text for this matrix code type.
+        /// </summary>
+        protected override void CheckCode(string text)
+        { }
+    }
+}